Over 10,000+ customers' choice, Focus on screening industry 40+ years
The biggest difference between protein powder and ordinary powdered materials lies in its high value and high fineness. Whey protein powder, for example, has a particle fineness of up to 43 microns – an ultra‑fine powder. The challenges at the feeding stage for such materials far exceed those of general industrial powders:
Dust emission makes workshop environment difficult to meet standards. Protein powder is lightweight – the moment a bag is opened and tipped, large quantities of fine powder disperse with air currents throughout the workshop. According to industry research data, dust pollution from traditional manual feeding methods has become a bottleneck restricting plant upgrades. Dust not only settles on equipment surfaces, increasing cleaning burdens, but can also migrate to other clean areas, compromising the segregation between different cleanliness zones.
Material loss – direct economic loss. Every dust emission represents protein powder spillage and waste. Protein powder is a high‑value material – the cumulative dust loss at the feeding stage in large‑scale production is a cost that cannot be ignored.
Cross‑contamination risks. Sports nutrition plants typically handle multiple product varieties and formulations – whey protein, soy protein, pea protein, collagen, and more – with frequent changeovers between different materials. If the feeding stage lacks effective enclosed and clean design, cross‑contamination between different materials will directly affect product quality and regulatory compliance.
Gaofu's protein powder dust‑free feeding station uses a "negative‑pressure dust collection + screening and impurity removal + enclosed conveying + automatic pulse‑jet cleaning" integrated dust‑free feeding technology, ensuring a clean and efficient bag‑opening and feeding process:
1. Micro‑negative‑pressure dust collection – controlling dust at the source
Gaofu's dust‑free feeding station uses a micro‑negative‑pressure dust collection system that maintains negative pressure on the feeding platform during operation. During operation, the fan creates negative pressure inside the working chamber, drawing dust generated during feeding into the filter system – preventing it from escaping outside the cabinet. The dust collection fan prevents material dust from dispersing during bag opening. The fully enclosed structure achieves 99.9% dust collection efficiency , with dust concentration controlled to ≤0.1 mg/m³ – no dust leakage on the feeding platform, no material loss during feeding. For sports nutrition plants requiring GMP, FDA, and other certifications, this dust control level means the feeding area can meet stringent production standards.
2. Built‑in vibrating screening – feeding and impurity removal in one step
Protein powder may form lumps due to moisture absorption during storage and transport, or become contaminated with packaging debris, threads, and other foreign matter. Gaofu's dust‑free feeding station integrates a vibrating screening system (safety screen) – as material is fed, it passes through the screen to intercept packaging debris, thread impurities, and lumped material. The vibrating screen retains oversized material and foreign matter, ensuring only合格 material proceeds to the next process. This "feeding‑and‑screening‑in‑one" design ensures protein powder purity at the source, eliminating the need for a separate screening step and reducing equipment investment.
3. Pulse‑jet self‑cleaning – sustained high‑efficiency operation
The equipment is equipped with a pulse‑jet cleaning device that automatically cleans filter elements at regular intervals. The uniquely designed dual‑filter, pulse‑type vacuum reverse‑cleaning / fan dust collection structure thoroughly solves dust emission and material loss problems. Collected dust is returned to the hopper through the pulse‑jet cleaning system – 100% recovered and reused , with material loss ≤0.5% . This design ensures sustained filtration efficiency while minimising raw material waste.
4. Fully enclosed conveying – complete isolation from feeding to production
Gaofu's dust‑free feeding station can be seamlessly integrated with positive‑/negative‑pressure pneumatic conveying systems – material flows from bag opening, screening, and conveying to the next process (storage hoppers, reactors, packaging machines, etc.) in a fully enclosed system. No manual handling – eliminating secondary contamination. The system supports integration with PLC control systems – preset recipe parameters enable fully automated "feeding‑screening‑conveying‑metering" operation.
As a food ingredient consumed directly, protein powder places strict requirements on production equipment materials.
Gaofu's dust‑free feeding station uses 304 stainless steel for all material‑contact parts (316L available on request), with welded joints polished to eliminate dead corners – complying with food industry clean production standards. The equipment is designed to hygienic standards – easy to clean, residue‑free. The equipment is constructed of stainless steel and meets GMP standard requirements. For sports nutrition plants, whether equipment materials and design comply with GMP specifications is a mandatory selection criterion.
Gaofu's protein powder dust‑free feeding station delivers practical efficiency and cost benefits while ensuring clean production:
Significantly improved feeding efficiency. The equipment achieves feeding rates of 500‑2,000 bags per hour – 3‑5 times faster than traditional manual feeding. For large‑scale sports nutrition plants, this means the feeding stage no longer bottlenecks the entire production line.
Effective labour cost reduction. Automated feeding and intelligent controls reduce manual handling, cutting labour costs by over 60% . Operators no longer need to work in dusty, physically demanding conditions – labour intensity is significantly reduced and the working experience is improved.
Material loss kept to an absolute minimum. The fully enclosed negative‑pressure structure eliminates spillage and waste during feeding – the pulse‑jet system returns 100% of collected dust to the hopper, keeping material loss at ≤0.5%.
Gaofu's protein powder dust‑free feeding station is widely applicable for feeding various protein powders and nutritional powders:
Whey protein powder : Core ingredient for sports nutrition and health supplements;
Soy protein isolate : Ingredient for plant‑based protein beverages and meal replacements;
Pea protein : Ingredient for plant‑based foods and sports nutrition;
Collagen powder : Ingredient for beauty foods and health supplements;
Other ultra‑fine powdered materials : Food additives, pharmaceutical excipients, etc.
Food Industry Client Testimonials
Nestlé, CP Group, Haitian Flavour & Fragrance, Yihai Kerry, Yili, Mengniu,Shuanghui, Wahaha, Master Kong, Want Want, Anjoy Foods, Angel Yeast,Yangyuan Foods, Uni-President Enterprises, Qiaqia Food, Luhua Group,Alpenliebe, Golden Monkey, Orion, Xizhilang,Sanquan Foods, Synear Food, Oishi, Wong Lo Kat, Yanjing Beer, Seamild,Jinpai, Chubang, Hengshun Vinegar Industry, Longda Group, Beijing Daoxiangcun, Anhe Dairy,Weiwei Group, Xiangpiaopiao, Maiquer, Tianbing, Binqi Food, Ligao Okun
Fortune 500 Client Testimonials
CNPC、CSCEC、Sinochem Holdings、CRCC、China Minmetals Corporation、CNOOC、CR、Sinopharm、CHN Energy、COFCO Corporation、Huawei Technologies、PowerChina、CITIC Group、Wuchan Zhongda Group、NORINCO、Chalco、CNBM、 Shaanxi Coal and Chemical Industry Group、Ansteel Group、CETC、CSSC、CASC、CEC、Jinchuan Group、CASIC、Conch Cement、CNNC、SPH、Shanxi Coking Coal Group、 Zhongtai Chemical、GPHL、DEC、Sinosteel Corporation、MCC、China National Salt Industry Chemical、China Baowu Steel Group、China Animal Husbandry Industry Co., Ltd.、CECEP
About Gaofu
Originated in the 1980s, Xinxiang Gaofu Machinery Co., Ltd. has developed into a leading enterprise after more than 40 years of steady development. The company holds authoritative national qualifications including National-level Specialized, Refined, Unique and Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and acts as the President Unit of the Vibration Industry Association.
It has established three provincial and municipal R&D platforms: Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Fine Screening Engineering Technology Research Center. Up to now, Gaofu has obtained more than 500 patents covering invention, utility model and design. It has been awarded the Science and Technology Achievement Prize by the Ministry of Industry and Information Technology of China and has participated in drafting and formulating 4 national standards.
Gaofu’s product portfolio covers multiple series and hundreds of specifications, mainly including vibrating screening equipment, conveying equipment and intelligent automatic material handling systems. We provide one-stop overall solutions such as automatic feeding systems, powder supply systems, pneumatic conveying systems, metering and weighing systems, batching systems, micro-ingredient batching systems, water supply systems, oil supply systems, fluid conveying systems, central kitchen powder supply systems, powder conveying systems and feeding systems.
In terms of food production lines, our mature supporting systems cover two major categories: baking production lines and pasta production lines. The baking series includes production lines for bread, cake, crisp cake, croissant, toast, pizza, biscuit and hamburger. The pasta series includes intelligent production lines for steamed buns, stuffed buns, twisted rolls, sesame paste cakes, steamed dumplings, boiled dumplings, fried dough sticks and pies.
Gaofu products sell well across Greater China and are exported to more than 100 countries and regions worldwide, including Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa. Widely applied in food, pharmaceutical, chemical, metallurgical, building materials, mining, thermal power, environmental protection and other industries, our products have won the trust and recognition of over 10,000 global customers.
Adhering to the corporate mission of improving material quality and efficiency to meet customer needs, Gaofu has long-term stable cooperative relationships with global clients to achieve harmonious and win-win development. At present, Gaofu has become an official qualified supplier of many Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Group, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace and Jinchuan Group.
