Over 10,000+ customers' choice, Focus on screening industry 40+ years
Pepper powder, BBQ seasoning, five‑spice powder, chilli powder… these everyday seasonings may seem simple, but during production they all face a common problem – screen adhesion and blinding.
The reason why seasoning powders are prone to sticking and blinding lies in three inherent material characteristics. Oil content is the primary factor. Materials such as Sichuan pepper powder, chilli powder and BBQ seasoning contain volatile oils and lipids, which tend to form an oily adhesive layer on the screen surface during screening, gradually blocking the mesh openings. High fine powder content is also a significant issue. The large proportion of fine particles in seasoning powders easily becomes embedded in the mesh openings during screening, causing screening efficiency to drop noticeably after just a few hours of operation on ordinary equipment. Electrostatic adhesion compounds the problem – ultra‑fine powders accumulate static charge during high‑speed motion and adhere firmly to the screen wires, forming a "powder film" that further aggravates blinding.
With these three factors combined, traditional screening equipment often falls into the repetitive cycle of "blinding – stoppage – cleaning – blinding again". Production lines are forced to stop, manual screen cleaning is time‑consuming and labour‑intensive, and production targets become difficult to meet – the sticking and blinding problem has become a significant bottleneck for seasoning powder manufacturers seeking to improve quality and efficiency.
The Gaofu anti‑sticking and anti‑blinding seasoning powder rotary vibrating sieve operates on the three‑dimensional gyratory motion principle. The equipment uses a vertical vibration motor as the excitation source, with eccentric weights installed at the upper and lower ends of the motor shaft converting the rotational motion into compound vibration in horizontal, vertical and tilting directions, which is then transmitted to the screen deck. By adjusting the phase angle of the upper and lower weights, the motion trajectory of the material on the screen surface can be changed to suit the screening requirements of different seasoning powders.
This three‑dimensional motion provides three benefits for anti‑sticking and anti‑blinding. Thorough material loosening – oily materials do not easily form adhesive layers locally during continuous tumbling, and fibrous materials do not concentrate and wrap in any single area. Extended screening path – the material travels along a spiral trajectory, giving every particle multiple opportunities to contact the screen, with screening fineness up to 600 mesh or 0.028 mm. Flexible classification screening – the equipment can be configured with 1 to 5 screen decks, enabling simultaneous separation into 2 to 6 grades, with one material entering and multiple specification products being produced at the same time.
The equipment features 360° adjustable discharge ports , making it easy to arrange auxiliary equipment and adapt to the installation requirements of different production lines.
To address the sticking and blinding characteristics of seasoning powders such as pepper powder and BBQ seasoning, the Gaofu anti‑sticking and anti‑blinding seasoning powder rotary vibrating sieve offers three cleaning solutions.
Bouncing ball cleaning system is the standard configuration. Food‑grade silicone balls are placed under the screen deck. During screening, the balls continuously tap the underside of the screen, dislodging adhering fine powder and oily materials, keeping the mesh clear. This method is continuous and automatic, requiring no manual intervention, and is suitable for most seasoning powder screening applications.
Ultrasonic cleaning system is an optional solution, specifically designed for ultra‑fine seasoning powders (above 200 mesh) or more sticky materials. High‑frequency, low‑amplitude mechanical waves are transmitted to the screen surface, effectively breaking down electrostatic adhesion and agglomeration between particles. Screen permeability can reach over 96%, and screening efficiency is improved by more than 40% compared with ordinary vibrating screens.
Optimised screen surface motion trajectory structurally reduces the probability of blinding. The screen tensioning structure is designed to keep the screen surface flat, reducing material accumulation dead corners. Impurities and oversize material automatically move along the screen surface to the reject port and are discharged, enabling continuous operation without frequent stoppages for cleaning.
The configuration flexibility of the Gaofu anti‑sticking and anti‑blinding seasoning powder rotary vibrating sieve is reflected in the diverse selection of screen materials and mesh sizes.
Screen material – the equipment is equipped with 304 stainless steel as standard, with 316L stainless steel available upon request based on material characteristics. Corresponding material solutions are provided for the corrosive and adhesive properties of different seasoning powders.
Screen mesh size – seasoning powder screening spans a wide range – conventional pepper powder screening uses 80 to 120 mesh, BBQ seasoning impurity removal can use a coarse 10 to 20 mesh screen, and ultra‑fine chilli powder requires above 200 mesh. A single machine covers the full range through quick screen changes, taking only 3 to 5 minutes.
The equipment can be configured with single‑deck or multi‑deck screens. Single‑deck is used for rapid impurity removal, while multi‑deck is used for fine classification – coarse screening removes fibres and lumps, fine screening obtains the target‑fineness finished product, and ultra‑fine powder is separated from the bottom deck. One material enters and multiple specification products are produced simultaneously, meeting the production requirements of different seasoning powder categories.
Food‑Grade Standards: Dual Assurance of Material and Hygiene
Seasoning powders are used directly in food processing, so equipment materials and hygiene standards are non‑negotiable.
Material compliance – all material‑contact parts are made of food‑grade 304 stainless steel, with 316L stainless steel available upon request, and surfaces are finely polished to meet hygiene requirements.
Fully enclosed structure effectively prevents dust escape during screening, avoids cross‑contamination, and improves the workshop environment. Dead‑corner‑free design ensures a simple structure with no hygiene dead corners, supporting rapid disassembly for cleaning, meeting food‑grade production hygiene requirements, and reducing cross‑contamination between batches.
The equipment complies with the hygiene requirements of food GMP and HACCP systems, helping enterprises present a more convincing compliance record during food safety audits and customer factory inspections.
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
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.
