Salt tablets serve many industries. They are used in water softening, dishwashing, agriculture, and chemical processing. Each tablet must dissolve at a predictable rate. It must also maintain consistent strength and density. Therefore, the salt powder used to make tablets must have a uniform particle size. A tumbling screen for salt from Gaofu Machinery helps producers achieve this uniformity. Its gentle motion and precise separation prepare salt for reliable tablet production.
Why uniformity matters for salt tablets
Salt tablets are made by compressing salt powder under high pressure. If the powder contains a wide range of particle sizes, the tablets become inconsistent. Fine particles fill the gaps between coarse ones. This creates uneven density. Consequently, some tablets become too hard while others crumble. Moreover, inconsistent particle size affects dissolution. Some tablets dissolve too quickly; others dissolve too slowly. Therefore, salt producers need a screening step that delivers a narrow particle size distribution.
How tumbling motion improves uniformity
A Gaofu tumbler sieve uses a smooth, three-dimensional orbital motion. Salt crystals roll and glide across the mesh. They do not bounce or experience hard impact. Consequently, each particle gets multiple chances to find the correct opening. On-spec particles pass through. Oversize material discharges separately. Fine dust falls through a lower deck. As a result, the screen produces a uniform feed for the tablet press.
Furthermore, the gentle motion prevents crystal breakage. Traditional vibrating screens often crack salt crystals and generate excess fines. The tumbling action avoids this problem. Therefore, the salt powder retains its intended granulation. This directly improves tablet quality.
Multi-deck screening for precise fractions
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 powder. The bottom deck captures fine dust. Consequently, one machine performs multiple separations in a single pass. This saves floor space and reduces material handling. In addition, each deck uses a woven stainless steel mesh with precise openings. The openings become progressively finer from top to bottom. Therefore, you get sharp, accurate cuts for tablet production.
Adjustable motion for different salt types
Salt varies widely. Sea salt is often moist. Rock salt is hard and abrasive. Vacuum salt is fine and free-flowing. A Gaofu tumbling screen lets operators adjust the motion. They can change the rotational speed, lead angle, and eccentricity. For fine salt powder, a slow, soft setting prevents dust. For coarser salt, a moderate setting maintains throughput. Therefore, one machine handles a range of salt types. The adjustment takes only minutes and requires no mechanical changes.
Anti-blinding design keeps production running
Damp or sticky salt can clog a standard screen. Once the mesh blinds, production stops. 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 for entire shifts. Operators avoid manual cleaning stops.
Corrosion-resistant construction for food safety
Salt is highly corrosive. Gaofu builds its tumbling screens with SUS304 or SUS316L stainless steel. All product-contact parts have a polished, mirror-like finish. This reduces 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. Consequently, the work environment stays clean and safe. The machine also meets food-grade hygiene standards.
Conclusion
A tumbling screen for salt from Gaofu Machinery improves product uniformity for salt tablets. Its gentle motion, multi-deck design, and adjustable settings deliver precise grading. The anti-blinding and corrosion-resistant features ensure reliable operation. Contact our sales engineering team today to discuss your salt tablet 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
The predecessor of Xinxiang Gaofu Machinery Co., Ltd. started in the 1980s. Over more than 40 years, it has earned certifications as a "National‑level Specialized, Refined, Unique & Innovative Little Giant Enterprise," a "National‑level Green Factory," a "National‑level High‑tech Enterprise," and a "National‑level Intellectual Property Advantage Enterprise," and serves as the "Chairing Unit of China Vibration Screening Industry Association."
The company holds accreditation for the "Henan Provincial Industrial Design Center," the "Henan Provincial Engineering Technology Research Center for Intelligent On‑line Screening System," and the "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.
