Wash-Line Pusher Centrifuge for Sea Salt Dewatering

Wash-Line Pusher Centrifuge for Sea Salt Dewatering is designed for continuous dewatering of washed sea salt crystals in mechanical salt washing and sea salt processing lines.

In sea salt production, raw sea salt may contain brine, wash water, insoluble impurities, fine particles, and surface contaminants after crushing and washing.

A pusher centrifuge removes free liquid through centrifugal filtration and continuously discharges dewatered sea salt cake before drying, screening, iodization, or packaging.

• Sea salt dewatering
• Washed sea salt dewatering
• Raw sea salt washing line dewatering
• Brine and wash water separation from sea salt
• Sea salt cake discharge before drying
• Mechanical sea salt processing line integration
• Sea salt dewatering before fluidized bed dryer
• Sea salt impurity washing and liquid removal
• Continuous sea salt production and packaginglines

The actual result depends on sea salt crystal size, washing condition, slurry concentration, brineconcentration, screen opening, and operating parameters.

Sea salt washing lines usually need stable liquid removal after the washing section. If the salt carries too much brine or wash water into the dryer, the plant may face:

• Higher moisture before drying
• Higher dryer energy consumption
• Unstable dryer feeding
• Salt caking before drying
• Uneven drying result
• More fine salt loss
• More load on screening and packaging sections
• Higher operating cost in continuous sea salt processing

A wash-line pusher centrifuge helps remove free liquid from sea salt crystals continuously and provides more stable wet salt feeding to downstream drying equipment.

Washed sea salt slurry enters the centrifuge through the feed pipe and is evenly distributed onto the rotating screen basket.

Under centrifugal force, brine or wash water passes through the screen openings and is collected as filtrate. Sea salt crystals are retained on the screen surface and form a salt cake.

The pusher mechanism moves the sea salt cake forward step by step. During this movement, the cake continues to lose free liquid.

If additional washing is required, wash liquid can be sprayed onto the salt cake to reduce residual brine or surface impurities.

Finally, the dewatered sea salt cake is discharged continuously from the basket end and sent to the dryer, cooler, screening machine, iodization system, packaging section, or next process stage.

Under suitable feed and operating conditions, the system can typically help achieve:

• 3–8% wet sea salt cake moisture after centrifugal dewatering in many washed sea salt applications
• 50–85% reduction in free brine or wash water carryover before drying compared with direct wet salt feeding.
• 90–98% retention of target-size sea salt crystals when the screen opening is properly matched with particle size distribution.
• 15–35% reduction in downstream dryer liquid load
• More stable wet salt feeding to fluidized bed dryer, rotary dryer, cooler, screening machine, or packaging section.
• Reduced risk of uneven drying, salt caking, and excessive liquid carryover before final product handling.
• 8–24 hours/day continuous operation

Final performance depends on sea salt crystal size, slurry concentration, brine concentration, washing condition, screen opening, centrifugal force, and operating parameters.

To recommend a suitable pusher centrifuge for sea salt dewatering, please provide:

• Processing capacity
• Feed material: raw sea salt, washed sea salt, or sea salt slurry
• Sea salt crystal size distribution
• Slurry concentration
• Solids content
• Brine concentration
• Wash water condition
• Fine salt content
• Insoluble impurity content
• Feed temperature
• Target wet cake moisture
• Product washing requirement
• Required final salt quality
• Filtrate collection or reuse requirement
• Existing upstream washing equipment
• Downstream dryer, cooler, screening machine, iodization system, or packaging section
• Required operating hours per day
• Site voltage and control preference
• Preferred material of construction
• Required screen slot size, if known

If you have customer resources or project opportunities in sea salt washing, salt processing, mechanical salt refining, salt drying, or solid-liquid separation systems, Peony welcomes cooperation.

We support distributors, agents, and project partners with model selection, process advice, customized configuration, equipment manufacturing, installation guidance, spare parts, screen segment customization, and after-sales service.

Send us your sea salt capacity, crystal size, slurry concentration, brine condition, fine salt content, and target moisture. Our team will help evaluate the suitable sea salt dewatering solution.