Ceramic Filter Element

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Zibo Dongqiang Membrane Technology Co., Ltd.

Shandong, China

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Dongqiang industrial ceramic membrane filter element is made of corundum sand, alumina, silicon carbide, cordierite, quartz, and other high-quality raw materials, and is formed and sintered at high temperatures.

The structure has a large number of open pores evenly distributed in the interior and has the characteristics of easy control of micropore diameter, high porosity, and uniform pore diameter.

The filter element has low filtration resistance, good permeability, high-temperature resistance, high-pressure resistance, chemical corrosion resistance, acid and alkali corrosion resistance, aging resistance, high mechanical strength, simple regeneration, and long service life.

As a filtration and purification material, it has been widely used in Solid-liquid separation, gas purification, anechoic water treatment, aeration, etc. in chemical, petroleum, metallurgy, food, electronics, pharmaceutical, water treatment, and other fields.

1. Microporous ceramic filter element

The microporous ceramic material is a kind of porous ceramic material with controllable pore size and high open porosity, which is made of high-quality raw materials such as corundum sand, silicon carbide, cordierite, etc., and is prepared by molding and special high-temperature sintering process. High-temperature resistance, high pressure, acid, alkali, and organic medium corrosion resistance, good biological inertness, long service life, good product regeneration performance, etc. And electrolytic diaphragm, etc.

2. Ceramic membrane filter element

Based on the original porous ceramic and microporous ceramic products, the ceramic membrane filter element is a series of upgraded products developed according to the needs of different application fields with the continuous development and maturity of inorganic membranes.

It has been widely used in ultrafine filtration in all walks of life. The ceramic membrane material is composed of a ceramic support body with a large pore size (50-150μm), high mechanical strength, and low filtration resistance, and a surface membrane filter layer with a small pore size (0.1-10μm). Good regeneration performance and so on. According to different usage requirements, ceramic membrane materials can be divided into microfiltration, ultrafiltration, and reverse osmosis membranes.

3. High-temperature ceramic filter element

High-temperature ceramic filter element is a kind of pore gradient ceramic fiber composite membrane filter material made of refractory ceramic aggregate and high-temperature ceramic binder through reasonable process ratio, molding, and high-temperature sintering. It consists of two parts: a breathable ceramic support body and a ceramic fiber composite filter membrane with high filtration precision. It has the advantages of good air permeability, thermal stability, high mechanical strength, acid and alkali corrosion resistance, etc. It is suitable for various high-temperature and high-pressure dust (smoke) gas purification, hot gas recovery, etc. At present, our company's high-temperature ceramic filter elements are mainly divided into two series: silicon carbide and cordierite.

4. Ceramic filter elements for water treatment

Ceramic filter elements have high filtration accuracy, good water permeability, and corrosion resistance to various media, are suitable for various media operations, have good filter element cleaning and regeneration performance, long service life, etc., and can be used for various drinking water purification, industrial water, and wastewater treatment.

5. Corundum filter element

Corundum filter element is a widely used and mature ceramic filter element. Due to the excellent performance of its material, the product has the characteristics of high-pressure resistance, corrosion resistance, and high-temperature resistance.

At present, it is widely used in solid-liquid separation, gas purification, water treatment, and so on in various related industries.

Good heat resistance and chemical medium corrosion performance, suitable for various media filtration

Good mechanical strength and pore stability, suitable for high-pressure media filtration

High filtration precision (filtration precision can reach 0.1 microns) and filtration rate, good cleaning and regeneration performance, suitable for precision filtration of various media

Good self-cleaning state, non-toxic, odorless, with good anti-microbial erosion ability and good biochemical compatibility, suitable for advanced treatment of production and industrial water: such as wastewater purification, reclaimed water treatment, oily wastewater treatment, etc.

Filtration and clarification of pharmaceutical and biochemical liquids

Clarification, concentration, and sterilization of alcohol and fruit juice beverages; gas separation, etc.

Precision filtration of various chemical fluids and chemical products: such as filtration of calcium chloride, sodium acetate, ammonia water, caustic soda, concentrated sulfuric acid, aluminum hydroxide, etc.

Various activated carbon decolorization liquid filtration and catalyst filtration in the pharmaceutical and chemical industries

In the water treatment industry, industrial water treatment, industrial circulating cooling water purification, high-purity process water purification, etc.

Various air compressor compressed gas purification, high-pressure sterile air preparation, steam filtration, various catalytic gas filtration in the petrochemical industry, acid gas dry dust removal, high-temperature dusty gas purification in the environmental protection industry, etc.

Main features of the Dongqiang ceramic filter element

1. High filtration precision, suitable for precision filtration of various media, ideal filtration precision can reach 0.1um, filtration efficiency > 95%

2. Good acid resistance and alkali resistance, suitable for filtration of strong acid (such as sulfuric acid, hydrochloric acid, etc.), strong alkali (such as sodium hydroxide, etc.), and various organic solvents

3. High mechanical strength, suitable for high-pressure fluid filtration, ideal working pressure up to 16MPa

4. Good thermal stability, suitable for filtration of high-temperature gas, such as flue gas, etc., the working temperature can reach 900 ℃

5. Long service life, according to different filter media, generally 6 months to 3 years

6. Easy to operate, sustainable operation, long backflushing interval, short backflushing time, convenient for automatic operation

7. The cleaning state is good, the porous ceramic itself is odorless, non-toxic, and has no foreign matter falling off, and can be used for sterile media filtration. The filter can be sterilized with high-temperature steam

Main features of the membrane filter element

1. Pore gradient structure

2. Surface filtration

3. High separation accuracy

4. Low resistance

5. Easy to regenerate