Rock salt often contains large chunks, stones, and foreign material. These oversize particles must be removed before the salt is sold. A tumbling screen for salt from Gaofu Machinery does this job efficiently. It scalps off oversize pieces while protecting the good salt crystals. As a result, you get a cleaner product and smoother production.
The problem with oversize in rock salt
Rock salt comes from mines. It often contains large lumps and tramp material. These oversize pieces can damage downstream equipment. They also fail to meet customer size specifications. Therefore, removing them is essential. However, rock salt is hard and abrasive. A standard screen may wear quickly. Moreover, the material can be damp. This causes clogging. Consequently, you need a screening solution designed for these tough conditions.
How tumbling motion removes oversize
A Gaofu tumbler sieve uses a gentle orbital motion. The screen deck moves in a smooth circular pattern. Salt crystals roll and glide across the mesh. Oversize lumps cannot fit through the openings. They travel to the edge and discharge separately. Fine salt passes through the mesh. Therefore, the screen achieves a sharp cut. In addition, the gentle motion reduces crystal breakage. It creates very little dust. Consequently, the process is both efficient and clean.
Adjustable motion for varying rock salt conditions
Rock salt quality varies. Some batches are dry and dusty. Others are damp and heavy. A Gaofu tumbling screen lets operators adjust the motion. They can change the rotational speed, lead angle, and eccentricity. For dry, dusty salt, a slower motion prevents dust clouds. For damp, heavy salt, a faster motion maintains throughput. Therefore, one machine handles different rock salt conditions. The adjustment takes only minutes and requires no mechanical changes.
Anti‑blinding design keeps the screen clear
Damp rock salt can clog a standard screen quickly. The material sticks to the mesh and blocks the openings. A Gaofu tumbling screen resists blinding through its continuous rolling action. The material bed stays loose and fluid. Particles do not pack into the openings. For very sticky salt, bouncing ball cleaning systems provide extra help. Food‑grade silicone balls bounce against the underside of the mesh. They dislodge trapped particles automatically. As a result, the screen stays clear for long runs. Operators avoid manual cleaning stops.
Corrosion‑resistant construction for long life
Salt is highly corrosive. Equipment that contacts it must resist rust and pitting. Gaofu builds its tumbling screens with SUS304 or SUS316L stainless steel. All product‑contact parts have a polished finish. This reduces salt adhesion and simplifies cleaning. Moreover, food‑grade silicone gaskets provide a tight seal. The enclosed design keeps dust contained. A dust extraction port connects to a central collection system. Therefore, the work environment stays clean and safe. The machine also lasts for many years.
Easy cleaning and maintenance
Quick‑release clamps allow tool‑free opening. Operators can access each deck quickly. The screen frames lift out easily. A washdown takes only minutes. This supports frequent product changeovers and food safety programs. Furthermore, Gaofu stocks common spare parts. Technical support is available worldwide.
Conclusion
A tumbling screen for salt from Gaofu Machinery efficiently removes oversize from rock salt. Its gentle motion, adjustable settings, and anti‑blinding design deliver reliable results. The corrosion‑resistant construction ensures long service life. Contact our sales engineering team today to discuss your rock salt screening needs or to arrange a material test.
Client Testimonials
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. started back in the 1980s. Over more than 40 years, it has earned certifications 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 holds accreditation for 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, and received the Science and Technology Achievement Prize issued by the Ministry of Industry and Information Technology of China. It also 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 serve 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 the company exports them 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.
