Salt processors handle many different grades. Each grade needs a specific particle size range. Choosing the right screen mesh is therefore essential. A tumbling screen for salt from Gaofu Machinery offers the flexibility you need. It lets you match the mesh to the exact salt grade. As a result, you achieve precise separation and protect crystal quality.
Understanding salt grades and particle sizes
Salt products vary widely. Fine table salt passes through a small mesh. Coarse sea salt needs a larger opening. Industrial salt often falls between these extremes. For example, fine salt may require a mesh with openings around 0.2 to 0.5 millimeters. Coarse salt may need openings of 2 millimeters or more. Therefore, you must select a mesh that matches your target grade.
In addition, salt shape matters. Flake salt is thin and flat. It may need a slightly larger opening than granular salt of the same weight. A tumbling screen handles this well. Its gentle motion allows flakes to pass without breaking.
How to match mesh to your salt
First, determine the desired particle size. Measure a sample and note the largest and smallest acceptable crystals. Then choose a woven stainless steel mesh with an opening that falls between those limits. For instance, if you want salt between 0.5 and 1.0 millimeter, use a mesh with openings near 0.6 millimeter. This lets undersize particles fall through while retaining oversize.
Furthermore, consider using multiple decks. A top deck with a larger mesh removes oversized lumps. A middle deck with the target mesh collects your product. A bottom deck with a finer mesh captures dust. Consequently, one machine produces several fractions at once. Gaofu tumbling screens can stack up to four decks.
The role of gentle tumbling motion
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 impact. As a result, fragile crystals remain whole. This is especially important for premium sea salt and flake salt. Moreover, the gentle motion gives each particle many chances to find the correct opening. Therefore, you get a sharp cut with very few misplaced particles.
Adjustable motion fine‑tunes separation
Different salt grades may require different motion settings. For example, fine salt screens best with a slower motion and lower amplitude. Coarser salt may need a faster motion to maintain throughput. A Gaofu tumbling screen lets operators adjust speed, lead angle, and eccentricity. Consequently, you can fine‑tune the motion for each salt grade. This flexibility reduces the need for multiple machines.
Anti‑blinding features keep production running
Damp or sticky salt can clog screens. However, a Gaofu tumbling screen resists blinding. The continuous rolling action keeps the material bed loose. Particles do not pack into the openings. For very sticky salts, bouncing ball cleaning systems provide extra help. Food‑grade silicone balls bounce against the underside of the mesh. They dislodge trapped particles automatically. Therefore, the screen stays clear for long runs.
Corrosion‑resistant construction
Salt is highly 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 quick and easy. In addition, food‑grade silicone gaskets provide a tight seal. The enclosed design keeps dust contained. A dust extraction port connects to a central system. As a result, the work environment stays clean and safe.
Quick screen changes for different grades
Salt processors often switch between grades. 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. Consequently, changeovers happen fast. This reduces downtime and supports flexible production.
Conclusion
Matching screen mesh to different salt grades is straightforward with a Gaofu tumbling screen. Its gentle motion, adjustable settings, and multi‑deck design deliver precise results. The anti‑blinding and corrosion‑resistant features ensure reliability. Contact our sales engineering team today to discuss your salt grading needs or to arrange a material test.
Client Testimonials
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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.
