Stainless Steel Zirconia Ceramic Filter Plate

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Zirconia ceramic foam filter

Application:For the filtration of molten steel and alloy,large scale iron casting

Product standard:China national GB/T 25139-2010

Zirconia ceramic foam filters are determined for filtering of steel and steel alloys up to the temperature of 1700 °C.
Filters are recommended especially for high quality grades of alloys.

-Drop turbulent of molten steel and alloy

-Improve accepted rate of steel casting

-Reduce foreign matter of steel casting

-Drop twice oxide flaw

-Reduce second-face flaw after machine process

PHYSICAL PROPERTY:

Main material:ZrO2

Applied Temperature:≤1700℃

Color:Yellow

Hole density (PPI):10/20PPI(PPI=pores per inch)

Porosity(%):80-87

Bending strength（Mpa）:≥1.0

Compressive Strength(MPa):≥1.75

Bulk Density(g/cm3):0.7-0.85

DIMENSIONS:

Length*width*height=(40-100)*(40-100)*(20-35)mm

With round,square and rectangle shape.

Size tolerance:±1mm

Pore size: 10/20PPI

PPI tolerance:±2PPI

CHEMICAL COMPOSITION:

Al2O3 MgOSiO2 Fe2O3 ZrO2

≤1.8% ≥3.0% ≤0.5% ≤0.1% ≥94.00%

APPEARANCE REQUIREMENTS:

-No cracking allowed across the full length of the edge

-Any fine cracks within the filter matrix may not be through-going

-Filters should be free from loose debris

Q: The ceramic filter suddenly did not smoke, and later he was all right. What's the reason?: Ceramic filter is mainly ceramic filter plate and vacuum system, ceramic filter plate is mainly product size of ceramic plate is a new, different manufacturers of different sizes; the vacuum system can be gradually investigation vacuum components and pipelines.The ore concentration, fineness and the concentration distribution in the slurry tank are different.A ceramic filter is composed of a plurality of system, more prone to such an unknown problem, fortunately: good!

Q: How many degrees does the ceramic filter melt?: Spinel is basically over 1600-1700. It's not too acid proof.There are other materials such as silicon nitride. Ceramics can be more than 1300 degrees in temperature. So the material you are using now is unlikely to melt and melt, and you can change it into one of the top materials. Baidu, this stuff is all over the street.

Q: Influence factors of ceramic filter: On the other hand, as the spindle speed slows down, the thickness of the slurry is thickened, and the moisture of the concentrate is also affected. For viscous material, ceramic filter with ceramic plate to work as filter media, when the cake is formed gradually into the porous filter medium filter cake itself, and the cake is not easy to form a viscous material, forming a dry cake appearance does not slow, the spindle speed is easy to reduce the water content of concentrate. Similarly, the spindle speed is accelerated, the cake formation time in the vacuum zone is shortened, and the slurry thickness is reduced, and the material can be improved for the easy molding material. But the spindle speed is too fast to be cleaned after each cycle of the ceramic plate. As for the viscous material, the cake is difficult to form after the spindle speed increases, and it will affect the capacity. Therefore, the use of ceramic filter should focus on the inherent nature of the concentrate to explore the best spindle speed. Generally, the higher the temperature, the smaller the viscosity of the liquid, the more conducive to improve the filtration rate, reduce the cake or sediment water, while reducing the viscosity of the slurry, can improve the processing capacity.

Q: What are the causes of the powder moisture in the ceramic filter?: The ore condition has changed, such as high concentration of material, fine grain size and increase of mud content.

Q: What are the materials that make up the ceramic mold?: From the development trend of rice, the development of ceramic membrane preparation technology mainly in the following 2 aspects: one is the porous membrane research, to further improve the already commercialized inorganic ultrafiltration and microfiltration membrane, nanofiltration membrane with molecular sieve, the development function of gas separation membrane and pervaporation membrane: two in dense membrane research solid electrolyte membrane, ultra-thin metal and its alloy film and ion conduction ability is research hotspot. The commercial porous membranes are mainly ultrafiltration and microfiltration membranes, and their preparation methods are mainly particle sintering and sol-gel. The former is mainly used for making microporous filter membranes, and commercial A1203 films are prepared by particle sintering method.

Q: Principle of chemical engineering drum vacuum filter, the faster the speed, the less the amount of filtrate obtained per turn, the more the amount of filtrate obtained per unit time?: In unit time, the more turns of the drum, the greater the centrifugal force, the greater the rate of filtration in unit time, that is to say, the amount of filtrate in unit time is moreRotating drum vacuum filter, the greater the speed, the greater the filtration rate, but the shorter the time each turn, the amount of each filtrate will be reduced

Q: The use of water glass as beneficiation agent, copper concentrate in the ceramic filter can not filter, how to do?: Of course, there may be equipment operating parameters can not meet the requirements, ceramic filter board has blocked hole close to scrap.Ceramic filter in use in the process of problems, should promptly contact manufacturers, seek help.

Q: The vacuum of ceramic filter is not enough: The vacuum degree of ceramic filter is about -0.08MPa, if the ceramic filter is less than 0.06MPa, the vacuum is not enough. If the vacuum of ceramic filter is not enough, it will influence the suction effect of ceramic filter (mainly the thickness of filter cake and water content of filter cake).

Q: Ceramic filter suddenly do not smoke, a little later on their own good, what reason?: How old the general ceramic filter suction main reason mud cake thickness is not much of a ceramic filter plate is different, because the ceramic filter backwash water, vacuum suction and nitrate are through the distribution valve, are often the same boat". See your description, you do not know the 5 line is about "5 disc or sideways 5 rows of ceramic plates, that is completely not suction or suction effect

Q: How to determine the quality of ceramic fiber filter board simply?: Ceramic fiber filter board, in fact, ceramic fiber board, also known as aluminum silicate, refractory fiberboard.

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