Over 10,000+ customers' choice, Focus on screening industry 40+ years
Powdered sugar is light and fine. In traditional open or semi‑enclosed screening equipment, raw material loss mainly originates from the following areas:
Dust emission – visible waste. Powdered sugar is lightweight and readily escapes from equipment gaps and connection points into the workshop air during screening. Every dust emission represents raw material loss. In large‑scale production, this "invisible loss" accumulates into a significant cost.
Electrostatic adhesion – hidden loss. Powdered sugar tends to generate static electricity during high‑speed motion, causing powder to adhere to equipment walls and piping. This adhered material is difficult to recover and adds to the麻煩 of frequent stoppages for cleaning.
Inadequate equipment sealing – continuous leakage. Conventional screening equipment often has insufficient sealing at connections between the screen frame and the machine body, as well as at feed and discharge interfaces. Fine powder is "squeezed" through these gaps during vibration, continuously dispersing into the workshop air.
Gaofu's powdered sugar rotary vibrating sieve's enclosed dust‑proof design fundamentally changes the passive situation of "dust dispersion – raw material loss" in sugar screening.
Fully enclosed structure – blocking dust dispersion paths. From the feed inlet to the discharge outlet, all connections are sealed – the entire machine features a clamp‑type fully enclosed design with multi‑layer food‑grade silicone seals, effectively preventing dust leakage. Sugar powder remains in a closed chamber throughout the entire screening process – unable to escape from equipment gaps.
Negative‑pressure design – active collection rather than passive defence. The equipment features a fully enclosed negative‑pressure design, combined with efficient flexible inlet and outlet connections, achieving near‑zero dust emission during screening. Compared with simply relying on an enclosed structure for "passive containment," the negative‑pressure design ensures dust is "actively collected" – fine powder particles are directionally drawn by negative‑pressure airflow as soon as they are generated – giving dust no opportunity to disperse.
Fully enclosed structure isolates external moisture. Powdered sugar is highly hygroscopic and prone to lumping. The fully enclosed design effectively isolates external moisture, preventing secondary moisture absorption during screening. This design protects sugar quality stability while reducing material waste caused by lumping.
Gaofu's powdered sugar rotary vibrating sieve's fully enclosed dust‑proof design delivers quantifiable improvements for sugar processors:
Significantly reduced raw material loss. The fully enclosed structure ensures near‑zero dust emission during screening – every gram of sugar powder is effectively collected. For high‑value raw materials like sugar, this loss control accumulates into substantial long‑term savings. It is clearly noted that the enclosed design "directly reduces valuable raw material loss."
Fundamentally improved workshop environment. Dust no longer escapes from equipment gaps – workshop dust concentration is greatly reduced. Walls and equipment surfaces no longer accumulate powder frequently, cleaning cycles are significantly extended, and operator working conditions are fundamentally improved.
Better product quality assurance. The fully enclosed structure effectively prevents dust emission during screening, avoids material cross‑contamination, and complies with food production hygiene standards. All material‑contact parts are made of high‑quality 304 stainless steel – with polished surfaces, no dead corners, and easy cleaning – meeting food‑grade hygiene standards.
Compliant with environmental and food safety requirements. The fully enclosed structure ensures no dust emission, low noise, and reasonable energy consumption – meeting environmental production requirements. The entire machine design complies with GMP standards – meeting the strict clean production requirements of the food industry.
While the enclosed dust‑proof design solves the raw material loss problem, the core requirements of sugar screening – high‑efficiency screening and blinding prevention – must also be ensured. Gaofu's sugar rotary vibrating sieve delivers excellent performance in both screening efficiency and blinding prevention while maintaining enclosure:
Standard bouncing ball cleaning system – continuous screen cleaning. Food‑grade silicone bouncing balls are installed below the screen – during operation, they continuously knock against the underside of the screen, dislodging fine powder and lumps adhering to the mesh. This "screening‑while‑cleaning" design keeps the screen fully permeable throughout the screening process – ensuring continuous stable operation.
Optional ultrasonic cleaning system – overcoming ultra‑fine powder blinding. For ultra‑fine sugar screening above 200 mesh, an optional ultrasonic high‑frequency vibrator can be added – high‑frequency vibration disrupts electrostatic adhesion and agglomeration. This design effectively solves the ultra‑fine powder blinding problem – with higher screening accuracy and greater throughput.
Quick screen changes – completed in 3‑5 minutes. Quick‑release clamps or flange connections allow tool‑free access – screen changes take only 3‑5 minutes. For production lines requiring frequent changes between different sugar specifications, this feature significantly reduces downtime.
High screening accuracy – controllable fineness. Can screen down to 500 mesh (0.028 mm) – impurities and oversize material are automatically discharged, supporting continuous operation. Screening accuracy reaches 99.56%.
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.
