Salt processing generates fine dust. This dust irritates the lungs and eyes. It can also cause long‑term respiratory problems. A tumbling screen for salt from Gaofu Machinery addresses this risk. Its fully enclosed design keeps dust contained. As a result, the work environment becomes safer and healthier for every operator.

The dust hazard in salt plants
Salt dust is more than a nuisance. It settles on floors, equipment, and clothing. When workers breathe it, the dust can damage airways. In high concentrations, it may cause chronic bronchitis or aggravate asthma. Furthermore, dust clouds can reduce visibility and create slip hazards. Therefore, controlling salt dust at the source is essential.
How enclosed design contains dust
A Gaofu tumbling screen operates as a completely sealed system. Continuous food‑grade silicone gaskets seal every joint. Quick‑release clamps hold the covers tight. Consequently, no dust escapes during screening. In addition, a dust extraction port connects directly to the plant’s central collection system. This connection maintains a slight negative pressure inside the machine. As a result, any airborne particles move into the ductwork instead of the work area.
Gentle motion reduces dust generation
Dust creation starts with the screening motion. Aggressive vibration throws salt into the air. This action produces large amounts of airborne dust. In contrast, 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, the machine generates very little dust during normal operation. Furthermore, this gentle motion protects crystal shape. It also minimizes the formation of fine particles.
Anti‑blinding design minimizes manual cleaning
Manual screen cleaning often creates dust clouds. An operator must brush or scrape the mesh to remove buildup. This action releases fine salt into the air. A Gaofu tumbling screen resists blinding automatically. The continuous rolling motion keeps the material bed loose and fluid. Particles do not pack into the openings. For sticky or damp salt, bouncing ball cleaning systems provide extra protection. Food‑grade silicone balls bounce against the underside of the screen. They dislodge trapped particles without any human help. Therefore, operators rarely need to clean the screen by hand. This reduces dust exposure and keeps production moving.
Corrosion‑resistant construction for a safe environment
Salt is highly corrosive. Rust and pitting create rough surfaces that trap dust and salt. Gaofu builds its tumbling screens with SUS304 or SUS316L stainless steel. All product‑contact parts have a polished, mirror‑like finish. This smooth surface prevents salt adhesion. It also makes cleaning easier. In addition, food‑grade silicone gaskets provide a reliable seal. Therefore, the machine remains clean and safe over many years. A clean machine contributes to a healthier workplace.
Conclusion
A tumbling screen for salt from Gaofu Machinery protects worker health through its fully enclosed design. It contains dust, reduces dust generation, and minimizes manual cleaning. The corrosion‑resistant stainless steel construction supports a safe, clean environment. 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.