Salt processors handle two very different product families. Table salt demands fine, uniform crystals for consumer use. Industrial salt requires specific size ranges for chemical, water treatment, or de‑icing applications. Both need precise screening. A tumbling screen for salt from Gaofu Machinery delivers this precision. Its gentle motion and adjustable settings produce sharp cuts for every grade.
The precision challenge in salt grading
Different salt markets demand different particle sizes. Fine table salt typically ranges from 0.2 to 0.5 millimeters. Coarse industrial salt may range from 2 to 5 millimeters or more. If the cut is imprecise, the product fails specification. Oversize crystals cause flow problems. Excessive fines create dust and reduce value. Therefore, salt processors need a screen that delivers accurate, repeatable separations.
How tumbling motion achieves precise cuts
A Gaofu tumbler sieve moves the screen deck in a smooth, orbital pattern. Salt crystals roll and glide across the mesh. They never bounce or experience hard impact. Consequently, each crystal gets multiple chances to find the correct opening. On‑spec particles pass through. Oversize pieces move to the edge and discharge separately. Fine dust falls through a lower deck. This gentle action produces a narrow particle size distribution.
Moreover, the tumbling motion avoids the vibration that can distort mesh openings. The screen stays flat and taut throughout the production run. Therefore, the cut remains consistent from the first batch to the last.
Multi‑deck configurations for multiple fractions
Salt processors often need several size grades at once. A Gaofu tumbling screen can stack up to four decks in one frame. The top deck removes oversize lumps. A middle deck collects the target product. A lower deck captures fine dust. Consequently, one machine performs multiple separations in a single pass. This saves floor space and reduces material handling.
Each deck uses a woven stainless steel mesh with a specific opening. The openings become progressively finer from top to bottom. This design delivers sharp, accurate cuts. Therefore, you can produce table salt and industrial salt on the same machine by changing the screen configuration.
Adjustable motion for different salt types
Table salt and industrial salt behave differently. Table salt is often fine and free‑flowing. Industrial salt may be coarse and abrasive. A Gaofu tumbling screen lets operators adjust the motion. They can change the rotational speed, lead angle, and eccentricity. For fine table salt, a slower motion prevents dust and improves accuracy. For coarse industrial salt, a faster motion maintains throughput. Therefore, one machine serves both product families.
Anti‑blinding design keeps cuts consistent
Damp salt can clog a standard screen. Once the mesh blinds, the cut becomes inaccurate. Fines carry over into the oversize stream. 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. Consequently, the screen stays clear and the cut stays precise.
Corrosion‑resistant construction
Salt is highly corrosive. Equipment 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 prevents salt adhesion and simplifies cleaning. In addition, 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.
Quick screen changes support product variety
Salt processors often switch between table and industrial grades. Each grade needs a specific mesh size. A Gaofu tumbling screen features quick‑release clamps. An operator opens the machine without tools. Lightweight screen frames lift out easily. One person can swap a mesh in minutes. The polished interior cleans quickly between batches. Consequently, product changeovers happen fast. This reduces downtime and supports flexible production.
Conclusion
A tumbling screen for salt from Gaofu Machinery achieves precise cuts for table and industrial salts. Its gentle motion, multi‑deck design, and adjustable settings deliver accurate grading. The anti‑blinding and corrosion‑resistant features ensure reliable operation. Contact our sales engineering team today to discuss your 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.
