Over 10,000+ customers' choice, Focus on screening industry 40+ years
Food powder filtration differs significantly from general industrial powder processing. The challenges stem from the dual nature of material properties and industry standards:
Fine powder blinding – filtration efficiency declines steadily. Food powders such as powdered sugar and starch have fine particles – during filtration, they readily block the screen mesh. Fine powder gradually accumulates on the screen surface, forming a "powder film" that blocks the mesh – filtration efficiency drops sharply within a short period, and frequent stoppages for cleaning become the norm.
Multi‑product changeovers – high demands on cleaning and screen change efficiency. Food processors typically handle multiple product varieties – powdered sugar, starch, seasoning powders, protein powder, etc. – with frequent changeovers between different materials. Conventional filtration equipment has complex structures and is inconvenient to disassemble – screen changes and cleaning are time‑consuming, reducing equipment utilisation and increasing cross‑contamination risks.
Strict hygiene standards – equipment must meet food‑grade requirements. Food powders are consumed directly or indirectly, placing extremely strict demands on filtration equipment materials and hygiene standards. All material‑contact parts must be made of food‑grade stainless steel, with dead‑corner‑free, easy‑to‑clean designs to prevent material residue and bacterial growth.
Gaofu's food powder filtration sieve uses a vibration motor as the excitation source – it is a small vibrating screening machine with high screening efficiency, low noise, and a compact design. To address the special requirements of food powder production, the filtration sieve provides systematic solutions in design and functionality:
High‑Precision Filtration – 400‑Mesh Fine Impurity Removal for Powder Purity
The filtration sieve features non‑blocking mesh and no powder emission – capable of screening down to 400 mesh. The screening particle size range covers 0.038‑5 mm , with grading fineness from 2‑500 mesh. For typical food powder filtration requirements – powdered sugar, starch, seasoning powders, and more – this accuracy capability provides ample margin, effectively intercepting fibres, lumps, and hard particles to ensure consistent finished product fineness. Taking starch filtration as an example, with conventional 80‑120 mesh screening requirements, the filtration sieve reliably achieves clear separation between合格 product and impurities.
Quick Screen Changes – Product Changeovers in 3‑5 Minutes
The filtration sieve features a unique screen frame design – screen changes take only 3‑5 minutes and can be completed by a single operator. Screens have long service life and are easy to replace. For production lines requiring frequent changeovers between different food powder varieties, this feature significantly reduces changeover downtime and improves equipment utilisation.
Food‑Grade Materials – 304/316L Stainless Steel, Compliant with GMP Standards
All material‑contact parts are made of 304 stainless steel (316L available upon request). The equipment body is constructed of high‑quality stainless steel – meeting sanitary standards, corrosion‑resistant, easy to clean, and effectively preventing material cross‑contamination. Internal and external surfaces are finely finished with no dead corners – meeting the hygiene requirements of the food and pharmaceutical industries.
Automatic Impurity Discharge – Supporting Continuous Operation Without Frequent Stoppages
Impurities and oversize material are automatically discharged from the filtration sieve, enabling automated operation. Operators do not need to stop frequently to clean the screen surface – the equipment can run continuously, increasing effective output per unit time.
Compact Size – Flexible Placement in Limited Spaces
The filtration sieve is small and lightweight – making full use of available space and easy to move. Whether for sample analysis on the laboratory bench or routine filtration in the production workshop, it can be flexibly positioned without occupying excessive space.
Typical application scenarios of Gaofu's food powder filtration sieve in food powder production include:
Fine filtration of powdered sugars and starches. Starches and powdered sugars may become contaminated with fibrous impurities, lumps, and hard particles during processing. The 400‑mesh high‑precision filtration capability of the filtration sieve effectively removes these impurities, ensuring uniform fineness and reliable purity. In powdered sugar filtration, 80‑200 mesh screen configurations can be flexibly adjusted according to product fineness requirements.
Impurity removal filtration of seasoning powders. Seasoning powders such as chilli powder, pepper powder, and Sichuan pepper powder often contain coarse fibres, seed husks, and other impurities during grinding. The single‑deck design of the filtration sieve effectively intercepts these impurities, ensuring seasoning powder purity. For materials prone to lumping, the equipment can break lumps through gentle dispersion during screening – improving screening efficiency while better preserving the original characteristics of the product.
Fibre removal from flour and rice flour. Flour and rice flour may become contaminated with bran fibres, packaging fibre debris, and other contaminants during processing. The high‑precision filtration capability effectively removes these fibrous impurities, ensuring the purity of bakery ingredients. In flour filtration, 50‑80 mesh screen configurations meet conventional impurity removal requirements.
Fine filtration of milk powder and protein powder. Milk powder, protein powder, and similar materials demand extremely high purity – any fine impurity can affect product quality. The filtration sieve's 400‑mesh precision meets the fine filtration requirements of these high‑value food powders.
Slurry filtration. Solid‑liquid separation of syrups, fruit juices, and other liquid materials – removing solid impurities and fibres. The filtration sieve is suitable for screening and filtration of any granules, powders, and viscous liquids.
In actual food powder filtration operations, Gaofu's food powder filtration sieve delivers multi‑dimensional improvements:
Improved product purity. The 400‑mesh high‑precision filtration effectively removes fibres, lumps, and hard particles from powders – ensuring uniform fineness and reliable purity. After one seasoning manufacturer adopted Gaofu's filtration equipment, impurity removal from powder products was significantly improved, with more stable product quality.
Improved production efficiency. Automatic impurity discharge and 3‑5 minute screen changes significantly reduce downtime. The equipment supports continuous operation – a single machine can meet the filtration needs of the production line. For production lines requiring frequent product changeovers, quick screen change capability means higher equipment utilisation and more flexible production scheduling.
Better hygiene and safety assurance. All‑stainless‑steel construction, dead‑corner‑free design, and food‑grade silicone seals provide equipment‑level assurance of food powder hygiene and safety. The equipment meets the hygiene requirements of the food and pharmaceutical industries and can be integrated with dust collection systems. For companies needing GMP certification or food safety audits, the equipment itself will not be a "deduction point" during inspections.
Effective control of operating costs. Normal service life reaches 15‑20 years. The separate mother‑screen / fine‑screen design means the fine screen does not directly bear the impact of the material – significantly extending screen service life. The equipment is small, lightweight, and easy to move – adapting to different production line layout requirements.
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
Xinxiang Gaofu Machinery Co., Ltd. was founded back in the 1980s. With over 40 years of development, it has been certified as a National-level Specialized, Refined, Unique & Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and serves as the President Unit of China Vibration Screening Industry Association.
The company is accredited with the Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Engineering Technology Research Center for Fine Screening.
Gaofu has obtained more than 500 patents including invention patents, utility model patents and design patents, been awarded the Science and Technology Achievement Prize issued by the Ministry of Industry and Information Technology of China, and participated in drafting and formulating 4 national standards.
Gaofu's product portfolio covers multiple series and hundreds of specifications, including vibrating screening equipment, conveying equipment, coal crushing equipment, filtration equipment and automatic material handling systems.
Core products include vibrating screens, screening machines, vibratory sifters, rotary vibrating screens, ultrasonic vibrating screens, linear vibrating screens, airflow screens, gyratory screens, roller screens, dewatering screens, bar screens, vacuum feeding machines, dust-free feeding stations, bulk bag feeding stations, feeding systems, automatic powder feeding systems, automatic slag-discharging filters, leaf filters, clay filters, toothed roll crushers, coal crushers and other machinery.
These products are widely applied in food, pharmaceutical, chemical, metallurgy, construction materials, mining, thermal power, environmental protection and many other industries, winning recognition and trust from over 10,000 clients worldwide.
Gaofu products enjoy strong sales across Greater China, and are exported to more than 100 countries and regions such as Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa.
Upholding the corporate mission of Improving material quality & efficiency to fully satisfy customer demands, Gaofu maintains long-term partnerships with clients to achieve win-win development.
At present, Gaofu is an official qualified supplier for numerous Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Holdings, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace Science and Technology Corporation, Jinchuan Group and more.
Gaofu Machinery ranks No.1 in global sales volume of vibrating screens.
In May 2024, Frost & Sullivan, a world-renowned international consulting firm, issued a Market Position Verification Certificate confirming that Gaofu achieved the world's largest shipment volume of vibrating screens in the global market in 2023.
