Salt producers need precise particle size control. A single cut often fails to meet market demands. Different customers want different grades, from fine table salt to coarse industrial crystals. Therefore, a vibrating screen for salt must deliver multiple fractions in one pass. Gaofu Machinery designs tumbler sieves with multi-deck configurations for this purpose.

How multi-deck screening works

A multi-deck tumbler sieve stacks several screen decks in one frame. Each deck holds a woven stainless steel mesh with a specific opening. The top deck removes oversize lumps. A middle deck collects the target product. The bottom deck captures fine dust. Consequently, one machine produces several fractions simultaneously. Moreover, the compact design saves floor space and reduces material handling.

The role of tumbler motion in precise grading

Tumbler motion generates a gentle, three-dimensional movement. Salt crystals roll and glide across each deck. They do not bounce or break. As a result, the screening process preserves crystal shape. In addition, the motion spreads salt evenly across the full mesh width. Every particle receives multiple chances to find the correct opening. Thus, separation remains sharp and consistent.

Adjustable settings for different salt types

Salt varies in moisture, crystal size, and flow behavior. A fixed setting cannot handle all grades. However, operators can adjust the tumbler motion. They change the rotational speed, lead angle, and eccentricity. For fine table salt, a slow, soft setting prevents dust. For coarse rock salt, a faster setting maintains throughput. Therefore, one machine adapts to diverse salt products without mechanical changes.

Anti-blinding design supports continuous operation

Damp or sticky salt can blind standard screens. Blinding stops production and reduces grading accuracy. A Gaofu tumbler sieve resists blinding through its continuous rolling action. The material bed stays loose and fluid. Particles do not pack into the openings. Furthermore, bouncing ball cleaning systems provide extra protection. Food-grade silicone balls bounce against the underside of each deck. They dislodge trapped particles automatically. Consequently, the screen stays clear for entire shifts.

Corrosion-resistant construction for salt environments

Salt is highly corrosive. Equipment must resist rust and pitting. Gaofu builds its tumbler sieves 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. Therefore, the work environment stays clean and safe.

Easy maintenance and quick screen changes

Routine maintenance must be fast and simple. A Gaofu tumbler sieve features quick-release clamps. Operators can open the machine without tools. Lightweight screen frames lift out easily. The polished interior cleans quickly between batches. As a result, product changeovers happen fast. Gaofu also stocks common spare parts and offers technical support worldwide.

Applications across the salt industry

Multi-deck tumbler sieves serve many salt applications. Food-grade salt requires strict hygiene and precise grading. Industrial salt needs high capacity and durability. Specialty salts, such as flake sea salt, demand gentle handling. In each case, the multi-deck configuration delivers accurate fractions. Moreover, the adjustable motion adapts to different production goals.

Conclusion

A vibrating screen for salt with multi-deck configuration enables precise grading. Tumbler motion protects crystals and resists blinding. Adjustable settings handle diverse salt types. Corrosion-resistant construction ensures long service life. 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

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." It also 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. It received the "Science and Technology Achievement Prize" from 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. It includes 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. They have earned the trust and acclaim of over 10,000 clients worldwide.

Gaofu products sell well across Greater China. The company also exports them to more than 100 countries and regions, including Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa. The company upholds the mission of "Improving material quality & efficiency to fully satisfy customer demands." It 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. It confirmed that Gaofu achieved the world's largest shipment volume of vibrating screens in the global market in 2023.