Salt must flow freely. It must pour evenly from shakers, hoppers, and packaging machines. However, salt easily absorbs moisture. This causes lumps and caking. A tumbling screen for salt from Gaofu Machinery helps solve this problem. It removes fine particles and soft agglomerates before they turn into hard cakes. As a result, the salt stays free‑flowing and easy to handle.
Why salt cakes and how screening helps
Salt is hygroscopic. It draws moisture from the air. This moisture dissolves the salt surface. When the salt dries again, crystals stick together. Over time, these bonds form hard lumps. These lumps block flow. Furthermore, fine dust makes the problem worse. Dust fills the spaces between crystals and acts like glue. A tumbling screen removes this dust. It also breaks up soft clumps before they harden. Consequently, the screened salt remains loose and free‑flowing.
Gentle tumbling motion breaks soft lumps
A Gaofu tumbler sieve moves salt in a smooth, orbital pattern. The crystals roll and glide across the mesh. This gentle action breaks soft agglomerates naturally. The salt does not bounce or experience hard impact. Therefore, the screen preserves the crystal shape. At the same time, it separates fine dust from larger crystals. As a result, the finished product contains fewer particles that cause caking.
Multi‑deck screening removes caking agents
A Gaofu tumbling screen can stack multiple decks. The top deck removes oversized lumps. A middle deck collects the target salt fraction. The bottom deck captures fine dust. Consequently, one machine removes both large clumps and fine dust. This dual action is essential for anti‑caking. Without dust, the salt cannot form hard cakes. Without lumps, it flows smoothly from the package.
Enclosed design protects salt from moisture
Moisture causes caking. A Gaofu tumbling screen operates fully enclosed. Continuous food‑grade silicone gaskets seal the chamber. Therefore, the salt does not absorb moisture during screening. In addition, the enclosed design prevents external contaminants from entering. A dust extraction port connects to a central system. This keeps the work area clean and dry. As a result, the salt stays dry and free‑flowing.
Adjustable motion for different salt types
Not all salt behaves the same way. Sea salt is often moist. Vacuum salt is fine and dry. Rock salt is coarse. A Gaofu tumbling screen lets operators adjust the motion. They can change the rotational speed, lead angle, and eccentricity. For moist sea salt, a slower motion allows clumps to break apart. For dry vacuum salt, a faster motion boosts throughput. Therefore, one machine handles many salt types while maintaining flowability.
Anti‑blinding design keeps production steady
Damp salt can clog screens. A Gaofu tumbling screen resists blinding. The continuous rolling motion keeps the material bed loose. Particles do not pack into the openings. For very sticky salt, bouncing ball systems add extra cleaning. Food‑grade silicone balls bounce under the mesh. They dislodge trapped particles automatically. As a result, the screen stays clear for long runs. Operators avoid manual cleaning stops.
Corrosion‑resistant stainless steel construction
Salt is corrosive. Gaofu builds its tumbling screens with SUS304 or SUS316L stainless steel. All product‑contact parts have a polished finish. This prevents rust and salt adhesion. It also makes cleaning easier. Food‑grade silicone gaskets provide a tight seal. Therefore, the machine lasts for years and supports food‑grade production.
Conclusion
A tumbling screen for salt from Gaofu Machinery maintains free‑flow properties. It removes dust and breaks up lumps. Its enclosed design keeps moisture out. The anti‑blinding features ensure continuous production. Contact our sales engineering team today to discuss your anti‑caking 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.
