Brief Analysis on the Application of Decanter Centrifuge in Pearl Powder Production

Pearl powder is a high-value-added functional pigment made of mica substrate coated with metal oxides. Its core performance advantages derive from sheet-like crystal morphology, narrow particle size distribution, high gloss and high purity. It is widely applied in coatings, inks, plastics, high-end cosmetics and other industries.

With superior strengths such as continuous solid-liquid separation, precise particle size classification, high-efficiency washing and dewatering, the decanter centrifuge (horizontal spiral discharge sedimentation centrifuge) has become the core equipment to replace traditional static sedimentation and plate-and-frame filtration in pearl powder production. It covers the whole process of purification, classification, washing and dewatering, and directly determines the gloss, whiteness and batch stability of finished products.

Application of Horizontal Spiral Decanter Centrifuge in Mica Separation
Applicable Process Sections
Whole process of mica ore wet separation:
Crushing & Grinding → Scrubbing & Desliming → Classification & Separation → Concentrate Dewatering → Tailings Dry Discharge
The horizontal spiral decanter centrifuge is mainly applied in three key working sections:
Fine mud removal and classification of mica ore pulp
Concentration and dewatering of mica concentrate
Deep dewatering of mica tailings and recycling of reused water

Core Advantages Analysis of Shenzhou Decanter Centrifuge

Relying on the precise selection of core components and excellent craftsmanship, the Shenzhou decanter centrifuge has formed comprehensive advantages in separation efficiency, operational stability, operational convenience and service life. It is suitable for solid-liquid separation needs in various industries such as chemical industry, environmental protection, food and pharmaceutical industry. Its core advantages are deeply presented based on the following key configurations, balancing performance and practicality, helping users achieve efficient and low-cost production.

Decanter centrifuges (especially three-phase decanters) are the core equipment for waste oil resource utilization. Their main function is to realize continuous oil-water-solid three-phase separation in one step, purify waste oil into reusable/marketable base oil or fuel oil, while reducing solid waste, purifying water, and lowering hazardous waste disposal costs.

How Does a Decanter Centrifuge Work?
A decanter centrifuge works by exerting a high centrifugal force on the slurry of solids and liquids. A rotating conveyor pushes out the heavier solids that settle on the decanter wall. The lighter liquid exits the decanter through the liquid outlet port on the other end of the bowl.
Continuous process decanter centrifuges can process a large volume of fluids with sludge. Centrifugal force (upwards of 3,000 g) causes graded settling and separates the fluid from small sediment (50µ).
The rotating bowl has a concentric scroll that rotates at a differential speed to that of the decanter bowl. This speed differential allows the scroll to transfer the separated sludge.

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