{"id":4415,"date":"2025-08-05T11:36:08","date_gmt":"2025-08-05T16:36:08","guid":{"rendered":"https:\/\/www.schwingbioset.com\/?p=4415"},"modified":"2025-08-05T11:36:08","modified_gmt":"2025-08-05T16:36:08","slug":"schwing-bioset-headworks-triple-threat","status":"publish","type":"post","link":"https:\/\/www.schwingbioset.com\/es\/schwing-bioset-headworks-triple-threat\/","title":{"rendered":"Schwing Bioset Headworks Triple Threat"},"content":{"rendered":"<h3><em>Grit Hoppers, Trolley System, and Belt Conveyors for SFPUC<\/em><\/h3>\n<p><em>Written by Josh DiValentino, MS, MBA<\/em><\/p>\n<p>San Francisco Public Utilities Commission (<a href=\"https:\/\/www.sfpuc.gov\/\" rel=\"nofollow noopener\" target=\"_blank\">SFPUC<\/a>) is in the final commissioning stages of a major headworks improvement at their 250 million gallons per day (MGD) wastewater treatment facility. The much-needed upgrade will increase capacity while adding several system improvements. Three custom Schwing Bioset <a href=\"https:\/\/www.schwingbioset.com\/es\/municipal-products\/\">systems<\/a> provide vital transfer and storage for the management of grit and screenings waste:<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>System 1: <\/strong><em>Headworks Grit Storage Hoppers<\/em><\/h4>\n<h5><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4420 size-full\" style=\"color: #666666; font-size: 14px;\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-hopper-drawing-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1508\" srcset=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-hopper-drawing-scaled.jpg 2560w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-hopper-drawing-1280x754.jpg 1280w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-hopper-drawing-980x577.jpg 980w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-hopper-drawing-480x283.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2560px, 100vw\" \/><\/h5>\n<p>SFPUC\u2019s first SBI solution is two massive grit storage hoppers. Offering 72 cubic yards of storage each, the facility\u2019s grit capacity worries are a thing of the past. Size doesn\u2019t negate speed and efficiency, though. Each 316 Stainless Steel-fabricated hopper features load cells for easy inventory management, and custom 48\u201d x 72\u201d hydraulically actuated gates provide operational simplicity and peace of mind, all while loading trucks in 15 minutes or less.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4417 alignleft\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/07\/gate-drawing-300x250.png\" alt=\"\" width=\"300\" height=\"250\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4418 alignnone\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/07\/Gate-pic-300x208.jpg\" alt=\"\" width=\"300\" height=\"208\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Custom Fabricated 48\u201d x 72\u201d hydraulically actuated gates meter flow from each hopper.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4422 size-full\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/assembled-pic.jpg\" alt=\"SFPUC Headworks\" width=\"480\" height=\"640\" srcset=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/assembled-pic.jpg 480w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/assembled-pic-225x300.jpg 225w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/assembled-pic-9x12.jpg 9w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>The SFPUC was ready to \u201chop\u201d into action the second each system arrived fully assembled bins ready for installation, no field welding required, saving valuable time and labor.<\/p>\n<p>&nbsp;<\/p>\n<h5><strong>System 2: <\/strong><em>Screenings Trolley Hopper System<\/em><\/h5>\n<h5><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4423\" style=\"color: #666666; font-size: 14px;\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/trolly-hopper-pic.jpg\" alt=\"\" width=\"480\" height=\"479\" srcset=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/trolly-hopper-pic.jpg 480w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/trolly-hopper-pic-300x300.jpg 300w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/trolly-hopper-pic-150x150.jpg 150w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/trolly-hopper-pic-12x12.jpg 12w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/h5>\n<p>Facing tight spatial constraints and unique challenges, SBI created two fully automated 5-cubic-yard screening trolley hoppers, optimizing inventory management in a big way while maintaining a small footprint.<\/p>\n<p>Each trolley drive system (shown above) is programmed to report to designated fill points under the washer\/compactor discharges, receiving screenings material from the sluice gates. Level sensors reporting a full condition automatically move the trolley into the proper dumping position. The 48\u201d x 48\u201d electrically actuated gates open to the trailer below. Once complete, the system returns to the fill or parking locations as directed.<\/p>\n<p>&nbsp;<\/p>\n<h5><strong>System 3: <\/strong><em>Screening Belt Conveyor<\/em><\/h5>\n<h5><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4424\" style=\"color: #666666; font-size: 14px;\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-conveyor-drawing.jpg\" alt=\"\" width=\"2287\" height=\"1608\" srcset=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-conveyor-drawing.jpg 2287w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-conveyor-drawing-1280x900.jpg 1280w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-conveyor-drawing-980x689.jpg 980w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/SFPUC-conveyor-drawing-480x337.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2287px, 100vw\" \/><\/h5>\n<p>The last in SFPUC\u2019s triad of SBI systems goes the distance with a screening belt conveyor. Two multi-rake screens feed the conveyor, which carries them across an 83\u2019 horizontal run, up a 6\u2019 incline before discharging into a compactor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4425 size-full\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/belt-conveyor-pic.png\" alt=\"\" width=\"480\" height=\"640\" srcset=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/belt-conveyor-pic.png 480w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/belt-conveyor-pic-225x300.png 225w, https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/belt-conveyor-pic-9x12.png 9w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/p>\n<p>The belt system features fully enclosed stainless steel covers to mitigate odors, maintain a clean site, and protect the screenings from getting wet during inclement weather. Strategically placed access doors allow for operator viewing of the belt. While hinged covers offer unrestricted access to the entire belt for any maintenance, cleaning, or adjustments.<\/p>\n<p><a href=\"https:\/\/www.schwingbioset.com\/es\/news\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-4426 size-medium alignnone\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/Blog-post-button-300x55.jpg\" alt=\"\" width=\"300\" height=\"55\" \/><\/a> \u00a0 \u00a0 <a href=\"https:\/\/www.schwingbioset.com\/es\/downloads\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4428 alignnone\" src=\"https:\/\/www.schwingbioset.com\/wp-content\/uploads\/2025\/08\/products-button-300x55.jpg\" alt=\"\" width=\"300\" height=\"55\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Grit Hoppers, Trolley System, and Belt Conveyors for SFPUC Written by Josh DiValentino, MS, MBA San Francisco Public Utilities Commission (SFPUC) is in the final commissioning stages of a major headworks improvement at their 250 million gallons per day (MGD) wastewater treatment facility. The much-needed upgrade will increase capacity while adding several system improvements. Three [&hellip;]<\/p>","protected":false},"author":3,"featured_media":4423,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[16,286,287,279],"tags":[336,192,354,241,353,188,182,204],"class_list":["post-4415","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-municipal","category-other","category-pump","tag-biosolids-processing","tag-conveyors","tag-hopper","tag-schwing-bioset","tag-silos","tag-wastewater-treatment","tag-wastewater-treatment-plant","tag-weftec"],"_links":{"self":[{"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/posts\/4415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/comments?post=4415"}],"version-history":[{"count":0,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/posts\/4415\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/media\/4423"}],"wp:attachment":[{"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/media?parent=4415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/categories?post=4415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schwingbioset.com\/es\/wp-json\/wp\/v2\/tags?post=4415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}