Over 10,000+ customers' choice, Focus on screening industry 40+ years
The reason sugar performs poorly on conventional vibrating screens lies in its unique physical properties — sugar particles are very fine, generating static electricity through friction during screening. Charged fine particles attract each other to form agglomerates while adhering firmly to the screen surface. Conventional vibrating screens rely on high‑frequency, high‑amplitude mechanical vibration to make material "bounce" through the screen — the higher the vibration intensity, the more intense the friction, the stronger the static charge, and the faster the blinding occurs.
The more direct problem is: vibration itself is the source of noise. During operation, the high‑frequency vibration of the screen box is transmitted through the frame to the floor, generating both structural noise and airborne sound waves. In food processing workshops, the generated noise from multiple vibrating screens running simultaneously has long‑term effects on operators' hearing health and work concentration.
The reason Gaofu's centrifugal sifter achieves "smooth, vibration‑free, no‑noise" operation lies in the fundamental difference in its working principle and mechanical structure.
1. Abandoning mechanical vibration – adopting rotary motion
The core motion of conventional vibrating screens is high‑frequency vibration of the entire screen box — the screen body and screens vibrate violently together, which is the primary source of noise and vibration. The centrifugal sifter is completely different: the moving components during operation are the main shaft and the rotor blades mounted on it, not the entire screen box.
Material is mixed and atomised with airflow after passing through a screw conveying system, then enters the cylindrical screen drum. Inside the drum, the rotation of the rotor blades subjects the material to both centrifugal force and propelling force, forcing it to pass through the screen. The entire screening process is completed through rotary motion within a closed chamber — no reciprocating impact, no high‑frequency vibration. This is the structural source of "smooth, vibration‑free, no‑noise" operation.
2. Synergistic design of cylindrical screen and rotary motion
The centrifugal sifter features a cylindrical screen housed inside the machine body. This structural design allows material to move in a spiral path within the screen drum, rather than bouncing on a flat screen surface. The centrifugal and propelling forces generated by the rotor blades "propel" powder particles through the screen — material is screened with airflow as the carrier, no longer relying on mechanical impact force.
3. Compact structure – smooth operation
The centrifugal sifter is compact and lightweight with smooth operation. The housing structure is innovative, installation is simple, and control is convenient. Without violent mechanical vibration, the equipment's foundation requirements are far lower than conventional vibrating screens — no complex vibration damping devices are needed.
4. Air‑seal system – dual noise reduction and protection
Gaofu's centrifugal sifter also features an air‑seal system that delivers purified air to both ends of the equipment — effectively reducing operating temperatures and creating an air barrier around the bearings to prevent dust ingress. This design protects the bearings while also contributing to noise reduction — airflow replaces hard contact between solid components.
5. New external spherical bearings – reducing mechanical noise
The equipment uses new external spherical bearings to effectively extend service life. High‑quality bearing design reduces friction noise during operation, further lowering the overall noise level of the equipment.
6. Fully enclosed structure – sound insulation and dust prevention
The centrifugal sifter features good sealing performance with no dust. The fully enclosed housing not only serves dust‑proofing needs but also isolates internal operating sounds — effectively containing aerodynamic noise generated during operation within the closed chamber.
Improved workshop working environment. The centrifugal sifter operates smoothly with no noise — operators are no longer exposed to high‑decibel vibration noise environments for extended periods. For large‑scale sugar processing workshops with multiple machines running simultaneously, this environmental improvement is particularly significant.
Simplified installation and maintenance. Without violent mechanical vibration, the equipment's foundation requirements are greatly reduced — no complex vibration damping devices or anchor bolts are needed. The housing structure is innovative, installation is simple, and control is convenient. The equipment can operate as a single unit or in multiple units, supporting long‑duration continuous operation with high safety and reliability.
Reduced equipment fatigue. No high‑frequency vibration means significantly lower fatigue loads on all equipment components. Combined with the air‑seal system's protection of bearings, equipment service life is effectively extended.
Screening efficiency is unaffected. "Vibration‑free" does not mean "poor screening." The centrifugal sifter achieves screening efficiency of over 95% , with throughput 5‑10 times that of conventional vibrating screens. The screen is continuously scoured by the rotating airflow, achieving automatic screen cleaning — with a de‑agglomeration function for lumped material.
Sugar screening has long been troubled by blinding and throughput challenges, while the noise and vibration of conventional vibrating screens add additional burdens to workshop environments and equipment maintenance. Gaofu Machinery's QLSP/QLSZ series centrifugal sifter – with its structural design of cylindrical screen + rotating rotor blades – fundamentally abandons mechanical vibration modes, achieving smooth, vibration‑free, no‑noise, and dust‑free operation. The equipment is compact, lightweight, and easy to install — capable of single‑unit or multi‑unit operation, supporting long‑duration continuous operation with high safety and reliability. Combined with automatic screen cleaning, de‑agglomeration, air‑seal system, and other features, it provides a quiet, stable, and efficient screening solution for sugar processing.
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.
