[{"data":1,"prerenderedAt":178},["ShallowReactive",2],{"page:\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F":3},{"robots":4,"schema":5,"account":96,"html_lang":33,"source_id":97,"alternates":98,"stylesheets":164,"contact_form":96,"header":165,"footer":166,"id":167,"path":168,"title":63,"seo_title":63,"seo_description":85,"summary":85,"body":169,"kind":170,"style_key":171,"language":145,"featured_image":172,"contact_path":173,"search_ui":174,"style_bundle":177},"follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large",[6,89],{"@graph":7,"@context":88},[8,23,51,57,60,69,77],{"@id":9,"geo":10,"@type":14,"hasMap":15,"address":16},"https:\u002F\u002Fwordpress.tudous.cn\u002Fen\u002F#place",{"@type":11,"latitude":12,"longitude":13},"GeoCoordinates","41.076"," 113.973","Place","https:\u002F\u002Fwww.google.com\u002Fmaps\u002Fsearch\u002F?api=1&query=41.076, 113.973",{"@type":17,"postalCode":18,"addressRegion":19,"streetAddress":20,"addressCountry":21,"addressLocality":22},"PostalAddress","076750","河北省","尚义县经济开发区嘉和路2号","中国","张家口市",{"@id":24,"url":25,"duns":26,"logo":27,"name":34,"@type":35,"email":38,"taxID":39,"sameAs":40,"address":43,"location":44,"legalName":32,"description":45,"contactPoint":46},"https:\u002F\u002Fwordpress.tudous.cn\u002Fen\u002F#organization","https:\u002F\u002Ftudous.cn","451040337",{"@id":28,"url":29,"@type":30,"width":31,"height":31,"caption":32,"contentUrl":29,"inLanguage":33},"https:\u002F\u002Fwordpress.tudous.cn\u002Fen\u002F#logo","https:\u002F\u002Ftudous.cn\u002Fwp-content\u002Fuploads\u002F2026\u002F01\u002FLOGO.png","ImageObject","1328","河北省俊升农业科技有限公司","en-US","Hebei Junsheng Agricultural Technology Co., Ltd.",[36,37],"Corporation","Organization","potato@chineseag.com","91130725MADHG6ME4T",[41,42],"https:\u002F\u002Fwww.facebook.com\u002Fprofile.php?id=61582633566816","https:\u002F\u002Ftwitter.com\u002Fhebeijunsheng",{"@type":17,"postalCode":18,"addressRegion":19,"streetAddress":20,"addressCountry":21,"addressLocality":22},{"@id":9},"Hebei Junsheng Agricultural Technology Co., Ltd. is a technology-driven enterprise specializing in potato breeding, cultivation, processing, and the development of modern agricultural technologies. Located in Shangyi, Hebei, we leverage our favorable geographical location to provide our customers with high-quality agricultural products, full-industry-chain agricultural solutions, and efficient customer service.",[47],{"@type":48,"telephone":49,"contactType":50},"ContactPoint","+86-15831322000","customer support",{"@id":52,"url":53,"name":34,"@type":54,"publisher":55,"inLanguage":33,"alternateName":56},"https:\u002F\u002Fwordpress.tudous.cn\u002Fen\u002F#website","https:\u002F\u002Fwordpress.tudous.cn\u002Fen","WebSite",{"@id":24},"俊升农业",{"@id":58,"url":58,"@type":30,"width":59,"height":59,"inLanguage":33},"https:\u002F\u002Ftudous.cn\u002Fwp-content\u002Fuploads\u002F2026\u002F06\u002F078.png","200",{"@id":61,"url":62,"name":63,"@type":64,"isPartOf":65,"inLanguage":33,"dateModified":66,"datePublished":67,"primaryImageOfPage":68},"https:\u002F\u002Ftudous.cn\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F#webpage","https:\u002F\u002Ftudous.cn\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F","Four Major Causes of Burn Marks in Single-Cylinder Drum Dryers and a Guide to Avoiding Production Pitfalls","WebPage",{"@id":52},"2026-07-17T10:27:32+08:00","2026-05-18T10:34:01+08:00",{"@id":58},{"@id":70,"name":71,"@type":72,"image":73,"sameAs":75,"worksFor":76},"https:\u002F\u002Ftudous.cn\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F#author","admin_tudous","Person",{"@id":74,"url":74,"@type":30,"caption":71,"inLanguage":33},"https:\u002F\u002Fsecure.gravatar.com\u002Favatar\u002Ff337aa3454db3950a24d0346183b08814c859a5670bd48ff27c66ab96f383eac?s=96&d=mm&r=g",[25],{"@id":24},{"@id":78,"name":63,"@type":79,"image":80,"author":81,"headline":82,"isPartOf":83,"publisher":84,"inLanguage":33,"description":85,"dateModified":66,"datePublished":67,"articleSection":86,"mainEntityOfPage":87},"https:\u002F\u002Ftudous.cn\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F#richSnippet","BlogPosting",{"@id":58},{"@id":70,"name":71},"单缸滚筒干燥机出现焦斑的四大成因及生产避坑指南",{"@id":61},{"@id":24},"This article analyzes the primary causes of scorch marks in single-cylinder drum dryers used in the production of potato flour, including factors such as steam pressure, feed concentration, drum temperature, scraper condition, and equipment cleanliness. It also provides recommendations for production troubleshooting, process adjustments, and quality control to help companies reduce scorch marks, color variations, and batch-to-batch inconsistencies.","全部资讯, 设备维保",{"@id":61},"https:\u002F\u002Fschema.org",{"@id":90,"title":91,"images":92,"upDate":93,"pubDate":94,"@context":95,"description":85},"https:\u002F\u002Fwordpress.tudous.cn\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F","生产避坑指南：单缸滚筒干燥机出现“焦斑”的四大致命成因及排雷指南",[],"2026-07-17T10:27:32","2026-05-18T10:34:01","https:\u002F\u002Fziyuan.baidu.com\u002Fcontexts\u002Fcambrian.jsonld",false,1053,[99,102,103,106,109,112,115,118,121,124,127,130,133,136,139,142,144,146,148,150,152,154,156,158,160,162],{"href":100,"language":101},"https:\u002F\u002Ftudous.cn\u002Fdrum-dryer-troubleshooting\u002F","zh-CN",{"href":62,"language":33},{"href":104,"language":105},"https:\u002F\u002Ftudous.cn\u002Fnl\u002Fproblemen-met-de-trommeldroger-oplossen\u002F","nl-NL",{"href":107,"language":108},"https:\u002F\u002Ftudous.cn\u002Ffr\u002Fdepannage-du-seche-linge-a-tambour\u002F","fr-FR",{"href":110,"language":111},"https:\u002F\u002Ftudous.cn\u002Fde\u002Ffehlerbehebung-beim-trommeltrockner\u002F","de-DE",{"href":113,"language":114},"https:\u002F\u002Ftudous.cn\u002Fja\u002F%e3%83%89%e3%83%a9%e3%83%a0%e5%bc%8f%e4%b9%be%e7%87%a5%e6%a9%9f%e3%81%ae%e3%83%88%e3%83%a9%e3%83%96%e3%83%ab%e3%82%b7%e3%83%a5%e3%83%bc%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0\u002F","ja",{"href":116,"language":117},"https:\u002F\u002Ftudous.cn\u002Fko\u002F%eb%93%9c%eb%9f%bc-%ea%b1%b4%ec%a1%b0%ea%b8%b0-%eb%ac%b8%ec%a0%9c-%ed%95%b4%ea%b2%b0\u002F","ko-KR",{"href":119,"language":120},"https:\u002F\u002Ftudous.cn\u002Far\u002F%d8%a7%d8%b3%d8%aa%d9%83%d8%b4%d8%a7%d9%81-%d8%a7%d9%84%d8%a3%d8%b9%d8%b7%d8%a7%d9%84-%d9%88%d8%a5%d8%b5%d9%84%d8%a7%d8%ad%d9%87%d8%a7-%d9%81%d9%8a-%d9%85%d8%ac%d9%81%d9%81-%d8%a7%d9%84%d8%a3%d8%b3\u002F","ar",{"href":122,"language":123},"https:\u002F\u002Ftudous.cn\u002Fur\u002F%d9%b9%d9%85%d8%a8%d9%84-%da%88%d8%b1%d8%a7%d8%a6%d8%b1-%da%a9%db%8c-%d8%ae%d8%b1%d8%a7%d8%a8%db%8c%d9%88%da%ba-%da%a9%d8%a7-%d8%a7%d8%b2%d8%a7%d9%84%db%81\u002F","ur",{"href":125,"language":126},"https:\u002F\u002Ftudous.cn\u002Fru\u002F%d1%83%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b5%d0%bd%d0%b8%d0%b5-%d0%bd%d0%b5%d0%b8%d1%81%d0%bf%d1%80%d0%b0%d0%b2%d0%bd%d0%be%d1%81%d1%82%d0%b5%d0%b9-%d0%b1%d0%b0%d1%80%d0%b0%d0%b1%d0%b0%d0%bd%d0%bd%d0%be\u002F","ru-RU",{"href":128,"language":129},"https:\u002F\u002Ftudous.cn\u002Fes\u002Fsolucion-de-problemas-de-la-secadora-de-tambor\u002F","es-MX",{"href":131,"language":132},"https:\u002F\u002Ftudous.cn\u002Fpl\u002Frozwiazywanie-problemow-z-suszarka-bebnowa\u002F","pl-PL",{"href":134,"language":135},"https:\u002F\u002Ftudous.cn\u002Ftr\u002Ftamburlu-kurutma-makinesinde-sorun-giderme\u002F","tr-TR",{"href":137,"language":138},"https:\u002F\u002Ftudous.cn\u002Fvi\u002Fkhac-phuc-su-co-may-say-trong\u002F","vi",{"href":140,"language":141},"https:\u002F\u002Ftudous.cn\u002Fid\u002Fpemecahan-masalah-pengering-drum\u002F","id-ID",{"href":100,"language":143},"zh",{"href":62,"language":145},"en",{"href":104,"language":147},"nl",{"href":107,"language":149},"fr",{"href":110,"language":151},"de",{"href":116,"language":153},"ko",{"href":125,"language":155},"ru",{"href":128,"language":157},"es",{"href":131,"language":159},"pl",{"href":134,"language":161},"tr",{"href":140,"language":163},"id",[],"\u003Cheader class=\"cn-header\">\u003Cdiv class=\"cn-header-inner\">\u003Ca class=\"cn-brand\" href=\"\u002Fen\u002F\" aria-label=\"Junsheng Agriculture\">\u003Cimg src=\"\u002Fsite-assets\u002F4e61220aa65004bc798d9896.png\" width=\"587\" height=\"150\" alt=\"Junsheng Agriculture\" loading=\"eager\">\u003C\u002Fa>\u003Cnav class=\"cn-desktop-nav\" aria-label=\"Menu\">\u003Cdetails class=\"cn-nav-group\" name=\"cn-sections\">\u003Csummary>Products & Services\u003C\u002Fsummary>\u003Cdiv class=\"cn-dropdown\">\u003Ca class=\"cn-nav-overview\" href=\"\u002Fen\u002Fproduct-ingredients\u002F\">Products & Services\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fproduct\u002Ffood-grade-potato-snowflake-chips\u002F\">Potato Flakes\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fpotato-granules\u002F\">Potato Granules\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fproduct-ingredients\u002F#ingredients\">Potato Flakes, Granules and Starch\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fseed-potatoes\u002F\">Seed Potatoes and Virus-free Plantlets\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fstorage\u002F\">Warehousing\u003C\u002Fa>\u003C\u002Fdiv>\u003C\u002Fdetails>\u003Cdetails class=\"cn-nav-group\" name=\"cn-sections\">\u003Csummary>Applications\u003C\u002Fsummary>\u003Cdiv class=\"cn-dropdown\">\u003Ca class=\"cn-nav-overview\" href=\"\u002Fen\u002Fapplications\u002F\">Applications\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fapplications\u002F#snacks\">Snacks\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fapplications\u002F#catering\">Foodservice and Central Kitchens\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fapplications\u002F#bakery\">Bakery\u003C\u002Fa>\u003Ca href=\"\u002Fen\u002Fapplications\u002F#pets\">Pet Food\u003C\u002Fa>\u003C\u002Fdiv>\u003C\u002Fdetails>\u003Cdetails class=\"cn-nav-group\" name=\"cn-sections\">\u003Csummary>Plant & Quality\u003C\u002Fsummary>\u003Cdiv class=\"cn-dropdown\">\u003Ca class=\"cn-nav-overview\" href=\"\u002Fen\u002Fquality-documents\u002F\">Plant & 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27.2c-1.7-35.9-9.9-67.7-36.2-93.9-26.2-26.2-58-34.4-93.9-36.2-37-2.1-147.9-2.1-184.9 0-35.8 1.7-67.6 9.9-93.9 36.1s-34.4 58-36.2 93.9c-2.1 37-2.1 147.9 0 184.9 1.7 35.9 9.9 67.7 36.2 93.9s58 34.4 93.9 36.2c37 2.1 147.9 2.1 184.9 0 35.9-1.7 67.7-9.9 93.9-36.2 26.2-26.2 34.4-58 36.2-93.9 2.1-37 2.1-147.8 0-184.8zM398.8 388c-7.8 19.6-22.9 34.7-42.6 42.6-29.5 11.7-99.5 9-132.1 9s-102.7 2.6-132.1-9c-19.6-7.8-34.7-22.9-42.6-42.6-11.7-29.5-9-99.5-9-132.1s-2.6-102.7 9-132.1c7.8-19.6 22.9-34.7 42.6-42.6 29.5-11.7 99.5-9 132.1-9s102.7-2.6 132.1 9c19.6 7.8 34.7 22.9 42.6 42.6 11.7 29.5 9 99.5 9 132.1s2.7 102.7-9 132.1z\">\u003C\u002Fpath>\u003C\u002Fsvg>\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\u003C\u002Fspan>\n\t\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\u003Cdiv class=\"elementor-element elementor-element-24dd1c8f e-con-full e-flex e-con e-child\" data-id=\"24dd1c8f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-694f440c elementor-widget elementor-widget-heading\" data-id=\"694f440c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t\u003Ch6 class=\"elementor-heading-title elementor-size-default\">Core Products\u003C\u002Fh6>\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-7b2f581f elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"7b2f581f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t\u003Cul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fproduct\u002Ffood-grade-potato-snowflake-chips\u002F\">\u003Cspan class=\"elementor-icon-list-text\">Potato Snowflake Chips\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fadvantages-of-using-potato-granules-in-instant-mashed-potatoes-and-foodservice-catering\u002F\">\u003Cspan class=\"elementor-icon-list-text\">Potato Granules\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fseed-potatoes\u002F\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">Potato Seed Tubers\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fstorage\u002F\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">Controlled-Atmosphere Storage Rental\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\u003C\u002Ful>\n\t\t\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\u003Cdiv class=\"elementor-element elementor-element-2fc5eb00 e-con-full e-flex e-con e-child\" data-id=\"2fc5eb00\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-1cdd9eef elementor-widget elementor-widget-heading\" data-id=\"1cdd9eef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t\u003Ch6 class=\"elementor-heading-title elementor-size-default\">Use Cases\u003C\u002Fh6>\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-28dab4e elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"28dab4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t\u003Cul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fthe-role-of-potato-flakes-in-puffed-snacks\u002F\">\u003Cspan class=\"elementor-icon-list-text\">Snack-Style Puffed Foods\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fadvantages-of-using-potato-granules-in-instant-mashed-potatoes-and-foodservice-catering\u002F\">\u003Cspan class=\"elementor-icon-list-text\">Fast-Food Supply Chain\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Findustrial-bakery-clean-label\u002F\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">Industrial Baking and Pastry\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"\u002Fen\u002Fgrain-free-pet-food-ingredients\u002F\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">Premium Pet Food\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\u003C\u002Ful>\n\t\t\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\u003Cdiv class=\"elementor-element elementor-element-599e0bde e-con-full e-flex e-con e-child\" data-id=\"599e0bde\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-4fb29a6c elementor-widget elementor-widget-heading\" data-id=\"4fb29a6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t\u003Ch6 class=\"elementor-heading-title elementor-size-default\">Contact Us\u003C\u002Fh6>\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-3cd7945 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"3cd7945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t\u003Cul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"tel:4006139889\">\u003Cspan class=\"elementor-icon-list-text\">400-613-9889\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"mailto:potato@chineseag.com\">\u003Cspan class=\"elementor-icon-list-text\">potato@chineseag.com\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"mailto:hebeijunsheng@gmail.com\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">hebeijunsheng@gmail.com\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\t\t\u003Cli class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t\u003Ca href=\"tel:+8615831322000\">\n\n\t\t\t\t\t\t\t\t\t\t\t\u003Cspan class=\"elementor-icon-list-text\">+86-15831322000\u003C\u002Fspan>\n\t\t\t\t\t\t\t\t\t\t\t\u003C\u002Fa>\n\t\t\t\t\t\t\t\t\t\u003C\u002Fli>\n\t\t\t\t\t\t\u003C\u002Ful>\n\t\t\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\u003Cdiv class=\"elementor-element elementor-element-12b0f1ec e-con-full e-flex e-con e-parent\" data-id=\"12b0f1ec\" data-element_type=\"container\" data-e-type=\"container\" data-settings='{\"background_background\":\"classic\"}'>\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-e73a8ac elementor-widget elementor-widget-heading\" data-id=\"e73a8ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t\u003Cp class=\"elementor-heading-title elementor-size-default\">© 2014 Hebei Junsheng Agricultural Technology Co., Ltd. · Ji ICP No. 2025138283   Source Manufacturer for the Entire Potato Industry Chain · All Rights Reserved\u003C\u002Fp>\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\u003Cdiv class=\"elementor-element elementor-element-0269e15 e-con-full e-flex e-con e-parent\" data-id=\"0269e15\" data-element_type=\"container\" data-e-type=\"container\" data-settings='{\"background_background\":\"classic\"}'>\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-ad41157 elementor-widget elementor-widget-heading\" data-id=\"ad41157\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t\u003Cp class=\"elementor-heading-title elementor-size-default\">Source Manufacturer for the Entire Potato Industry Chain · Wholesale of Snowflake Potato Flour · Supplier of Potato Granules · Manufacturer of Complete Sets of Deep-Processing Equipment · Virus-Free Seed Potato Propagation Base · Potato Flour Prices · OEM Manufacturing of Whole Potato Flour · Single-Cylinder Drum Dryer · Bulk Purchasing of Snowflake Potato Flour\u003C\u002Fp>\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Fdiv>\n\t\t\t\t\u003C\u002Ffooter>\n\t\t\n\u003Cdiv id=\"td-contact\" data-wechat-id=\"8613131344884\" data-wechat-qr=\"https:\u002F\u002Ftudous.cn\u002Fwp-content\u002Fuploads\u002F2026\u002F09\u002F6bc934ce45d88b175615af4fa57b8ef6.jpg\" data-wechat-service data-whatsapp-number=\"8615081368488\">\n  \u003Csection class=\"tc-panel\" id=\"td-contact-panel\" aria-labelledby=\"td-contact-title\" hidden=\"\">\n    \u003Cdiv class=\"tc-heading\">\u003Cdiv>\u003Ch2 id=\"td-contact-title\">Product and Purchasing Inquiries\u003C\u002Fh2>\u003Cp>Snowflake-shaped pieces · Granules · Potato ingredients\u003C\u002Fp>\u003C\u002Fdiv>\u003Cbutton class=\"tc-close\" type=\"button\" data-tc-close aria-label=\"Close the Procurement Inquiry Window\">×\u003C\u002Fbutton>\u003C\u002Fdiv>\n    \u003Cdiv class=\"tc-body\">\n      \u003Cdiv class=\"tc-channels\" role=\"group\" aria-label=\"Select a Consultation Channel\">\u003Cbutton class=\"tc-channel\" type=\"button\" data-tc-channel=\"wechat\" aria-pressed=\"true\">WeChat Inquiry\u003C\u002Fbutton>\u003Cbutton class=\"tc-channel\" type=\"button\" data-tc-channel=\"whatsapp\" aria-pressed=\"false\">WhatsApp\u003C\u002Fbutton>\u003C\u002Fdiv>\n\n      \u003Cdiv class=\"tc-wechat\" data-tc-pane=\"wechat\">\n        \u003Cp class=\"tc-fallback\" data-tc-wx-fallback>To obtain our WeChat contact information, please contact us by phone or through the contact page. You may also copy the quote request text below first.\u003C\u002Fp>\n        \u003Ca class=\"tc-action\" data-tc-service hidden=\"\" target=\"_blank\" rel=\"noopener noreferrer\">Open WeChat Customer Service ↗\u003C\u002Fa>\n        \n        \u003Cfigure class=\"tc-qr\" data-tc-qr-wrap hidden=\"\">\u003Cimg data-tc-qr-image alt=\"Junsheng Agriculture Sales and Customer Service WeChat QR Code\" width=\"400\" height=\"400\">\u003Cfigcaption>Use WeChat's \"Scan\" feature; after saving the image to your phone, select it from the \"Scan\" album in WeChat to recognize it.\u003C\u002Ffigcaption>\u003C\u002Ffigure>\n        \u003Cdiv data-tc-id-wrap hidden=\"\">\u003Clabel>Sales WeChat ID\u003C\u002Flabel>\u003Cdiv class=\"tc-id-row\">\u003Cinput id=\"tdc-wechat-id\" autocomplete=\"off\">\u003Cbutton class=\"tc-copy-id\" type=\"button\" data-tc-copy-id>Copy WeChat ID\u003C\u002Fbutton>\u003C\u002Fdiv>\u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n      \u003Cdetails class=\"tc-inquiry\" data-tc-inquiry>\u003Csummary>Additional Product and Purchasing Information (Optional)\u003C\u002Fsummary>\n      \u003Cform data-tc-form action=\"https:\u002F\u002Ftudous.cn\u002Fcontact-us\u002F\" method=\"get\">\n        \u003Cdiv class=\"tc-field\">\u003Clabel>Procurement Method\u003C\u002Flabel>\u003Cselect id=\"tdc-market\">\u003Coption value=\"domestic\">Domestic Procurement\u003C\u002Foption>\u003Coption value=\"export\">Export Procurement\u003C\u002Foption>\u003C\u002Fselect>\u003C\u002Fdiv>\n        \u003Cdiv class=\"tc-field\">\u003Clabel>Required Products\u003C\u002Flabel>\u003Cselect id=\"tdc-product\">\u003Coption>Potato Snowflake Slices (Food Grade)\u003C\u002Foption>\u003Coption>Potato Granules\u003C\u002Foption>\u003Coption>Native Potato Starch\u003C\u002Foption>\u003Coption>Pre-gelatinized Potato Starch\u003C\u002Foption>\u003Coption>Modified Potato Starch\u003C\u002Foption>\u003Coption>Other \u002F Undetermined\u003C\u002Foption>\u003C\u002Fselect>\u003C\u002Fdiv>\n        \u003Cdiv class=\"tc-field\">\u003Clabel>Procurement Plan \u002F Demand\u003C\u002Flabel>\u003Cselect id=\"tdc-quantity\">\u003Coption>First, discuss the specifications and samples\u003C\u002Foption>\u003Coption>Trial Order (Quantity to be negotiated)\u003C\u002Foption>\u003Coption>1–5 metric tons\u003C\u002Foption>\u003Coption>5–10 metric tons\u003C\u002Foption>\u003Coption>10 metric tons or more\u003C\u002Foption>\u003Coption>1 × 20-foot container\u003C\u002Foption>\u003Coption>1 × 40HQ container\u003C\u002Foption>\u003Coption>50–200 metric tons per year\u003C\u002Foption>\u003Coption>More than 200 metric tons per year\u003C\u002Foption>\u003Coption>To be determined\u003C\u002Foption>\u003C\u002Fselect>\u003C\u002Fdiv>\n        \u003Cdiv class=\"tc-field\">\u003Clabel data-tc-destination-label>Province\u002FCity of Delivery\u003C\u002Flabel>\u003Cinput id=\"tdc-destination\" type=\"text\" maxlength=\"100\" placeholder=\"For example: Shijiazhuang, Hebei Province\" autocomplete=\"off\">\u003C\u002Fdiv>\n      \u003C\u002Fform>\n      \u003C\u002Fdetails>\n      \u003Cdiv data-tc-pane=\"wechat\">\n        \u003Cbutton class=\"tc-action tc-secondary\" type=\"button\" data-tc-copy-quote>Copy the quote request\u003C\u002Fbutton>\n        \u003Cp class=\"tc-tip\">After adding us on WeChat or opening a customer service chat, paste and send your inquiry. 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The information you enter will only be used if you actively copy it or proceed with your inquiry.\u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fsection>\n  \u003Cdiv class=\"tc-dock\" aria-label=\"Quick Contact\">\n    \u003Ca class=\"tc-entry\" href=\"\u002Fcontact-us\u002F\" data-tc-open=\"wechat\" aria-label=\"WeChat Inquiry\">\u003Csvg viewbox=\"0 0 24 24\" fill=\"none\" aria-hidden=\"true\">\u003Cpath d=\"M14.5 10.5a7 7 0 0 0-6.2-6.2C4.6 4.1 1.7 6.5 1.7 9.5c0 1.6.8 3 2.1 4L3.3 16l2.8-1.2 1.4.2\">\u003C\u002Fpath>\u003Cpath d=\"M22.2 15.6c0-2.9-2.7-5.2-6.1-5.2s-6.2 2.3-6.2 5.2 2.8 5.2 6.2 5.2c.8 0 1.6-.1 2.2-.4l2.6 1-.5-2.1a4.9 4.9 0 0 0 1.8-3.7Z\">\u003C\u002Fpath>\u003Ccircle cx=\"6.1\" cy=\"9\" r=\".7\" fill=\"currentColor\">\u003C\u002Fcircle>\u003Ccircle cx=\"10.1\" cy=\"9\" r=\".7\" fill=\"currentColor\">\u003C\u002Fcircle>\u003Ccircle cx=\"14\" cy=\"15.2\" r=\".7\" fill=\"currentColor\">\u003C\u002Fcircle>\u003Ccircle cx=\"18\" cy=\"15.2\" r=\".7\" fill=\"currentColor\">\u003C\u002Fcircle>\u003C\u002Fsvg>\u003Cspan>WeChat Inquiry\u003C\u002Fspan>\u003C\u002Fa>\n    \u003Ca class=\"tc-entry\" href=\"https:\u002F\u002Fwa.me\u002F8615081368488\" data-tc-open=\"whatsapp\" target=\"_blank\" rel=\"noopener noreferrer\" aria-label=\"WhatsApp Inquiries\">\u003Csvg viewbox=\"0 0 24 24\" fill=\"none\" aria-hidden=\"true\">\u003Cpath d=\"M20.3 3.7A10.6 10.6 0 0 0 3.1 16.2L1.8 22.1l6-1.4A10.6 10.6 0 0 0 20.3 3.7Z\">\u003C\u002Fpath>\u003Cpath d=\"m8.4 6.8 1.4 2.7-1.1 1.3c.8 1.8 2.2 3.2 4 4l1.4-1.1 2.6 1.4c.2 1.4-.7 2.4-2 2.3-4.4-.4-8.6-4.6-9-9-.1-1.3.9-2.1 2.3-1.6Z\">\u003C\u002Fpath>\u003C\u002Fsvg>\u003Cspan>WhatsApp\u003C\u002Fspan>\u003C\u002Fa>\n  \u003C\u002Fdiv>\n\u003C\u002Fdiv>\n",504,"\u002Fen\u002Ftroubleshooting-a-drum-dryer\u002F","\u003Cdiv data-elementor-type=\"wp-post\" data-elementor-id=\"1053\" class=\"elementor elementor-1053\" data-elementor-post-type=\"post\">\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-ae39e6f e-con-full e-flex e-con e-parent\" data-id=\"ae39e6f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\u003Cdiv class=\"elementor-element elementor-element-e868252 elementor-widget elementor-widget-html\" data-id=\"e868252\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n\n\n\n\n\u003Cdiv class=\"article-page-wrapper\">\n\n  \u003Cdiv class=\"progress-bar\" id=\"progressBar\">\u003C\u002Fdiv>\n\n  \u003Cheader class=\"article-hero\">\n    \u003Cdiv class=\"article-hero-inner\">\n      \u003Cnav class=\"breadcrumb\">\n        \u003Ca href=\"\u002Fen\u002F\">Home\u003C\u002Fa>\u003Cspan class=\"breadcrumb-sep\">›\u003C\u002Fspan>\n        \u003Ca href=\"\u002Fen\u002Fknowledge-base\u002F\">News and Insights\u003C\u002Fa>\u003Cspan class=\"breadcrumb-sep\">›\u003C\u002Fspan>\n        \u003Ca href=\"\u002Fen\u002Fknowledge-base\u002F\">Avoiding Pitfalls in Equipment Maintenance and Repair\u003C\u002Fa>\u003Cspan class=\"breadcrumb-sep\">›\u003C\u002Fspan>\n        \u003Cspan class=\"cur\">Main Text\u003C\u002Fspan>\n      \u003C\u002Fnav>\n      \u003Cdiv class=\"article-tag-row\">\n        \u003Cspan class=\"atag atag-tech\">[Equipment Maintenance and Repair White Paper]\u003C\u002Fspan>\n        \u003Cspan class=\"atag atag-industry\">A Guide to Avoiding Pitfalls in Production\u003C\u002Fspan>\n      \u003C\u002Fdiv>\n      \u003Ch1>Equipment Maintenance: “Burn Marks” on a Single-Cylinder Drum Dryer\u003Cbr>\u003Cem>The Four Major Causes of Death and a Guide to Avoiding Pitfalls\u003C\u002Fem>\u003C\u002Fh1>\n      \u003Cp class=\"subtitle\">During the maintenance and repair of equipment used for the deep processing of potato snowflake powder and various types of starch, scorch marks on the drum surface can, at best, affect the grade of the finished product and, at worst, lead to unplanned equipment downtime. This article systematically outlines a standard operating procedure (SOP) for identifying and resolving maintenance issues on whole-potato powder production lines from four perspectives: the steam distribution network, mechanical and pneumatic systems, and upstream processes.\u003C\u002Fp>\n      \n      \u003Cdiv class=\"article-meta-bar\">\n        \u003Cdiv class=\"meta-item\">\n          \u003Csvg viewbox=\"0 0 24 24\" fill=\"none\">\u003Ccircle cx=\"12\" cy=\"12\" r=\"10\">\u003C\u002Fcircle>\u003C\u002Fsvg>\n          \u003Cspan>Posted on May 18, 2026\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Cdiv class=\"meta-item\">\n          \u003Csvg viewbox=\"0 0 24 24\" fill=\"none\">\u003Cpath d=\"M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z\">\u003C\u002Fpath>\u003Ccircle cx=\"12\" cy=\"12\" r=\"3\">\u003C\u002Fcircle>\u003C\u002Fsvg>\n          \u003Cspan>\u003Cstrong>3,156\u003C\u002Fstrong> Views\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Cdiv class=\"meta-item\">\n          \u003Csvg viewbox=\"0 0 24 24\" fill=\"none\">\u003Cpath d=\"M12 20h9\">\u003C\u002Fpath>\u003Cpath d=\"M16.5 3.5a2.121 2.121 0 0 1 3 3L7 19l-4 1 1-4L16.5 3.5z\">\u003C\u002Fpath>\u003C\u002Fsvg>\n          \u003Cspan>Junsheng Research Institute · Equipment Operations and Maintenance Team\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n    \u003C\u002Fdiv>\n  \u003C\u002Fheader>\n\n  \u003Cdiv class=\"article-wrap\">\n    \n    \u003Carticle>\n      \u003Cdiv class=\"key-data-strip\">\n        \u003Cdiv class=\"kd-cell\">\n          \u003Cdiv class=\"kd-val red\">±0.05\u003Cspan>MPa\u003C\u002Fspan>\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-unit\">Vapor Pressure Fluctuation Alert Threshold\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-label\">Exceeding the threshold triggers a mandatory investigation\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n        \u003Cdiv class=\"kd-cell\">\n          \u003Cdiv class=\"kd-val\">0.15\u003Cspan>mm\u003C\u002Fspan>\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-unit\">Pneumatic Scraper Tolerance Limits\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-label\">Preventing Localized Material Buildup on the Blade\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n        \u003Cdiv class=\"kd-cell\">\n          \u003Cdiv class=\"kd-val red\"><3%\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-unit\">Red Line Caused by Starch Cell Rupture\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-label\">Upper and Lower Limits for Upstream Process Control\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n        \u003Cdiv class=\"kd-cell\">\n          \u003Cdiv class=\"kd-val\">15-30\u003Cspan>min\u003C\u002Fspan>\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-unit\">Time required for a single cleaning cycle\u003C\u002Fdiv>\n          \u003Cdiv class=\"kd-label\">The Cost of Hidden Capacity Loss\u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n\n      \u003Cdiv class=\"article-body\">\n        \u003Cp>Among all potato snowflake powder production equipment,\u003Cstrong>Single-Cylinder Drum Dryer\u003C\u002Fstrong>It is the core component that determines the final film quality and physical properties. So-called “burn spots” are by no means an isolated surface issue; they are often an outward sign of localized instability in the temperature distribution within the drum. Rather than waiting for burn spots to appear before emergency shutdowns and cleaning, it is better to establish a scientific daily inspection mechanism, transforming “firefighting after the fact” into “defusing potential problems before they arise.”\u003C\u002Fp>\n\n        \u003Ch2 id=\"s1\">I. Causes of scorch marks in single-cylinder drum dryers: Malfunctions in the steam piping network and siphon system\u003C\u002Fh2>\n        \u003Cfigure class=\"article-figure\">\n          \u003Cimg src=\"https:\u002F\u002Ftudous.cn\u002Fwp-content\u002Fuploads\u002F2026\u002F06\u002F078.png\" alt=\"Industrial Steam Pipelines\" title=\"A Guide to Avoiding Production Pitfalls: The Four Major Causes of “Burn Spots” in Single-Cylinder Drum Dryers and a Guide to Avoiding Them 1\">\n          \u003Cfigcaption>▲ The stability of vapor pressure fluctuations in a drum dryer directly determines whether the temperature distribution on the drum surface is uniform.\u003C\u002Ffigcaption>\n        \u003C\u002Ffigure>\n\n        \u003Cp>A single-cylinder drum relies on the heat released by the condensation of saturated steam inside the drum to provide energy to the material. Once\u003Cstrong>Fluctuations in Vapor Pressure in Drum Dryers\u003C\u002Fstrong>If the rotation is too vigorous, or if condensate drainage through the siphon tube is obstructed, a “water cushion” will form on the inner wall of the cylinder. Heat transfer efficiency in these areas of water accumulation drops sharply, creating a significant temperature difference compared to the surrounding high-temperature zones. The mashed potatoes located at the edge of this temperature gradient are most prone to scorching first, as the duration of local heating is unpredictable. These scorch marks typically appear in stripes or patches and recur periodically as the drum rotates.\u003C\u002Fp>\n\n        \u003Cdiv class=\"callout callout-warning\">\n          \u003Cdiv class=\"callout-icon\">⚙️\u003C\u002Fdiv>\n          \u003Cdiv class=\"callout-content\">\n            \u003Cdiv class=\"callout-label\">Maintenance and Repair Guide\u003C\u002Fdiv>\n            \u003Cp>1. Record the steam supply pressure curve for each shift; if the fluctuation exceeds ±0.05 MPa, inspect the condition of the pressure-reducing valve.\u003Cbr>2. Inspect the rotary joint seals weekly, and periodically (recommended monthly) disassemble and inspect the insertion depth of the siphon tube and the wear on the tube opening.\u003Cbr>3. Check the discharge temperature of the steam trap to ensure there is no steam bypass.\u003C\u002Fp>\n          \u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n\n        \u003Ch2 id=\"s2\">II. Incorrect pneumatic scraper clearance or blade wear: localized “burned-on residue”\u003C\u002Fh2>\n        \u003Cp>The primary function of the scraper is to promptly and evenly remove the potato slurry from the surface of the drum after it has gelatinized and dried. If the overall pressure setting of the pneumatic scraper is too low, or if a section of the blade develops notches or curled edges due to long-term wear, the thin layer of material residue in that area will be repeatedly heated during the next rotation cycle, eventually carbonizing and forming scorch marks. These scorch marks, caused by mechanical wear, are extremely dark in color and hard in texture, and they typically occur in specific axial sections where the scraper is damaged.\u003C\u002Fp>\n\n        \u003Cul class=\"insight-list\">\n          \u003Cli>\n            \u003Cspan class=\"insight-num\">1\u003C\u002Fspan>\n            \u003Cdiv class=\"insight-content\">\n              \u003Ch4>Matching Blade Material and Hardness\u003C\u002Fh4>\n              \u003Cp>If the blade material is not hard enough, it will wear out too quickly; conversely, if it is too hard, it may damage the drum surface. A strict blade wear log must be maintained to record replacement intervals, and it is strictly prohibited to use a blade until it is completely worn out.\u003C\u002Fp>\n            \u003C\u002Fdiv>\n          \u003C\u002Fli>\n          \u003Cli>\n            \u003Cspan class=\"insight-num\">2\u003C\u002Fspan>\n            \u003Cdiv class=\"insight-content\">\n              \u003Ch4>Cylinder Pressure Decay Compensation\u003C\u002Fh4>\n              \u003Cp>Monitor the pressure gauge readings on the scraper cylinders regularly. If you notice that the pressure across an entire row of scrapers gradually decreases over time, perform compensatory calibration or repair the air line seals promptly.\u003C\u002Fp>\n            \u003C\u002Fdiv>\n          \u003C\u002Fli>\n        \u003C\u002Ful>\n\n        \u003Ch2 id=\"s3\">III. Uneven Pressure on the Fabric Roller (Coating Roller): A Potential Cause of Inconsistent Film Thickness\u003C\u002Fh2>\n        \u003Cp>The satellite coating roller evenly applies the potato slurry to the surface of the main drum, serving as the first critical step in ensuring uniform drying throughout the potato flour production line. If the clamping force at both ends of the feed roller differs from that in the middle section—a common issue caused by a bent roller shaft, worn bearing housings, or unbalanced hydraulic pressure—the material film will develop a critical problem: “thick in the middle and thin at both ends.” In areas where the material film is extremely thin, the drying rate is too fast, making it highly prone to the formation of flaky scorching.\u003C\u002Fp>\n        \n        \u003Cp>\u003Cstrong>Key Points to Watch Out For:\u003C\u002Fstrong> If the scorch marks along the cylinder axis follow a symmetrical pattern—such as “present at both ends but not in the middle” or “present in the middle but not at both ends”—immediately stop inspecting the steam system and first check the parallelism of the feed rollers and the pressure gauge readings!\u003C\u002Fp>\n\n        \u003Ch2 id=\"s4\">IV. Maintenance and Repair of Upstream Starch Processing Equipment: The Adhesion Nightmare Caused by Damaged Starch Cells\u003C\u002Fh2>\n        \u003Cp>Severe charring on the drum surface is sometimes blamed for process control issues in upstream stages. In the potato washing, pre-cooking (enzyme inactivation), and cooking stages, the core of the process is maintaining the integrity of the starch cells.\u003C\u002Fp>\n\n        \u003Cdiv class=\"callout callout-insight\">\n          \u003Cdiv class=\"callout-icon\">🔬\u003C\u002Fdiv>\n          \u003Cdiv class=\"callout-content\">\n            \u003Cdiv class=\"callout-label\">The Truth Behind Physical Reactions: Insufficient Gelatinization vs. Cell Damage\u003C\u002Fdiv>\n            \u003Cp>\u003Cstrong>Incomplete gelatinization (raw starch)\u003C\u002Fstrong>This often results in “white specks” scattered throughout the product. However, the real culprit behind large-scale scorched spots is overcooking or excessive mechanical shear from upstream pumping equipment, which causes starch cells to rupture and release large amounts of\u003Cstrong>Free starch\u003C\u002Fstrong>. This free starch causes the slurry to become extremely thick and pasty, clinging tightly to the surface of the drum. The scraper cannot completely remove it, and after several cycles of high-temperature baking, it eventually forms hard, black, caked-on stains that are difficult to remove.\u003C\u002Fp>\n          \u003C\u002Fdiv>\n        \u003C\u002Fdiv>\n\n        \u003Ctable class=\"strategy-table\">\n          \u003Cthead>\n            \u003Ctr>\n              \u003Cth>Categories of Causes of Death\u003C\u002Fth>\n              \u003Cth>Physical Characteristics of Scorch Mark Distribution\u003C\u002Fth>\n              \u003Cth>Recommendations for Inspection Responsibilities and Frequency\u003C\u002Fth>\n            \u003C\u002Ftr>\n          \u003C\u002Fthead>\n          \u003Ctbody>\n            \u003Ctr>\n              \u003Ctd>\u003Cstrong>① Fluctuations in the Steam Distribution Network and Siphon Anomalies\u003C\u002Fstrong>\u003C\u002Ftd>\n              \u003Ctd>It forms a band-like pattern along the axial direction and repeats periodically as it rotates.\u003C\u002Ftd>\n              \u003Ctd>Power Plant Operator: Record pressure for each shift \u002F Perform a thorough disassembly and inspection once a month\u003C\u002Ftd>\n            \u003C\u002Ftr>\n            \u003Ctr>\n              \u003Ctd>\u003Cstrong>② Incorrect scraper clearance \u002F Damaged blade\u003C\u002Fstrong>\u003C\u002Ftd>\n              \u003Ctd>Specific axial sections remain fixed and are dark in color and hard in texture\u003C\u002Ftd>\n              \u003Ctd>Machine Maintenance Team: Visual inspection per shift \u002F Weekly feeler gauge measurement\u003C\u002Ftd>\n            \u003C\u002Ftr>\n            \u003Ctr>\n              \u003Ctd>\u003Cstrong>③ Uneven hydraulic pressure in the satellite fabric feed rollers\u003C\u002Fstrong>\u003C\u002Ftd>\n              \u003Ctd>They are distributed in a clearly symmetrical pattern at both ends or in the middle of the cylinder\u003C\u002Ftd>\n              \u003Ctd>Drying Station: Check parallelism before each startup\u003C\u002Ftd>\n            \u003C\u002Ftr>\n            \u003Ctr>\n              \u003Ctd>\u003Cstrong>④ Rupture of upstream cells (sharp increase in free starch)\u003C\u002Fstrong>\u003C\u002Ftd>\n              \u003Ctd>The entire cylinder is covered with large patches of black soot that adhere strongly.\u003C\u002Ftd>\n              \u003Ctd>Processing Position: Conduct random inspections of cooking shear force and strictly control the cell damage rate to <3%\u003C\u002Ftd>\n            \u003C\u002Ftr>\n          \u003C\u002Ftbody>\n        \u003C\u002Ftable>\n\n        \u003Cp>\u003Cstrong>Summary:\u003C\u002Fstrong> As a central challenge in the maintenance of starch processing equipment, eliminating scorch spots requires moving beyond a purely mechanical perspective and integrating food thermodynamics and rheology. Incorporating the core parameters from the four dimensions mentioned above into the daily “Whole-Starch Production Line Risk Assessment Checklist” is the fundamental path to achieving high yield rates and minimizing downtime losses.\u003C\u002Fp>\n\n      \u003C\u002Fdiv>\n\n      \u003Cdiv class=\"article-tags-footer\">\n        \u003Ch5>High-Frequency Search-Related Tags\u003C\u002Fh5>\n        \u003Cdiv class=\"tags\">\n          \u003Ca href=\"#\">Causes of Burn Spots in Single-Cylinder Drum Dryers\u003C\u002Fa>\n          \u003Ca href=\"#\">Potato Snow Flakes Production Equipment\u003C\u002Fa>\n          \u003Ca href=\"#\">Fluctuations in Vapor Pressure in Drum Dryers\u003C\u002Fa>\n          \u003Ca href=\"#\">A Guide to Avoiding Pitfalls in Whole-Flour Production Lines\u003C\u002Fa>\n          \u003Ca href=\"#\">Maintenance and Repair of Starch Processing Equipment\u003C\u002Fa>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n\n      \u003Cdiv class=\"author-box\">\n        \u003Cdiv class=\"author-avatar\">维\u003C\u002Fdiv>\n        \u003Cdiv class=\"author-info\">\n          \u003Ch4>Junsheng Research Institute · Equipment Operations and Maintenance Team\u003C\u002Fh4>\n          \u003Cdiv class=\"role\">Industry 4.0: Maintenance of Heavy Agricultural Equipment · A Guide to Avoiding Pitfalls in Continuous Production\u003C\u002Fdiv>\n          \u003Cp>Our team specializes in the fundamental operations and maintenance as well as thermodynamic control models for capital-intensive agricultural equipment, and is committed to eliminating blind spots in physical losses and hidden downtime costs in large-scale processing lines to ensure the smooth operation of food ingredient production.\u003C\u002Fp>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n    \u003C\u002Farticle>\n\n    \u003Caside class=\"article-sidebar\">\n      \n      \u003Cdiv class=\"sidebar-block\">\n        \u003Cdiv class=\"sidebar-block-title\">Maintenance Schedule for This Issue\u003C\u002Fdiv>\n        \u003Cul class=\"toc-list\">\n          \u003Cli>\u003Ca href=\"#s1\" class=\"active\">\u003Cspan class=\"toc-num\">一\u003C\u002Fspan>Failures in Steam Piping Networks and Siphon Systems\u003C\u002Fa>\u003C\u002Fli>\n          \u003Cli>\u003Ca href=\"#s2\">\u003Cspan class=\"toc-num\">二\u003C\u002Fspan>Pneumatic Scraper Clearance and Wear Issues\u003C\u002Fa>\u003C\u002Fli>\n          \u003Cli>\u003Ca href=\"#s3\">\u003Cspan class=\"toc-num\">三\u003C\u002Fspan>Potential Hazards of Pressure Imbalance in Satellite Fabric Rollers\u003C\u002Fa>\u003C\u002Fli>\n          \u003Cli>\u003Ca href=\"#s4\">\u003Cspan class=\"toc-num\">四\u003C\u002Fspan>The Adhesion Nightmare Caused by Excess Free Starch\u003C\u002Fa>\u003C\u002Fli>\n        \u003C\u002Ful>\n      \u003C\u002Fdiv>\n\n      \u003Cdiv class=\"sidebar-block\">\n        \u003Cdiv class=\"dl-box\">\n          \u003Cdiv class=\"dl-icon\">📋\u003C\u002Fdiv>\n          \u003Ch4>Request the “Powder Production Line Troubleshooting Checklist”\u003C\u002Fh4>\n          \u003Cp>Pre-shift Inspection SOP Template for Equipment with Rollers and Standard Parameter Library for High-Precision Gap Measurement\u003C\u002Fp>\n          \u003Ca href=\"\u002Fen\u002Fcontact-us\u002F\" class=\"dl-btn\" rel=\"noopener noreferrer\" target=\"_blank\">Free PDF Templates Download\u003C\u002Fa>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n\n      \u003Cdiv class=\"sidebar-block\">\n        \u003Cdiv class=\"sidebar-block-title\">Production Line Maintenance Support\u003C\u002Fdiv>\n        \u003Cdiv class=\"contact-widget\">\n          \u003Cdiv class=\"contact-widget-icon\">⚙️\u003C\u002Fdiv>\n          \u003Cdiv class=\"contact-widget-phone\">400-613-9889\u003C\u002Fdiv>\n          \u003Cdiv class=\"contact-widget-time\">Senior Mechanical Engineer: Online Q&A\u003C\u002Fdiv>\n          \u003Ca href=\"\u002Fen\u002Fcontact-us\u002F\" class=\"contact-widget-btn\" rel=\"noopener noreferrer\" target=\"_blank\">Schedule a Production Line Efficiency Assessment\u003C\u002Fa>\n        \u003C\u002Fdiv>\n      \u003C\u002Fdiv>\n    \u003C\u002Faside>\n\n  \u003C\u002Fdiv>\n\n  \u003Csection class=\"cta-banner\">\n    \u003Ch3>Is unplanned equipment downtime eating into your production profits?\u003C\u002Fh3>\n    \u003Cp>Move away from the haphazard “reactive” management approach and implement a preventive maintenance system for the entire powder production line.\u003Cbr>Please contact the Junsheng Equipment Operations and Maintenance Center to obtain detailed implementation plans for technical upgrades and efficiency improvements for potato deep-processing production lines.\u003C\u002Fp>\n    \u003Cdiv class=\"cta-banner-btns\">\n      \u003Ca href=\"\u002Fen\u002Fcontact-us\u002F\" class=\"cta-btn-primary\" rel=\"noopener noreferrer\" target=\"_blank\">Apply for the Advanced Maintenance and Diagnostics Channel\u003C\u002Fa>\n    \u003C\u002Fdiv>\n  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