Zirconia Ceramic Foam Filter for Iron Foundry & Steel Casting

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100 m²
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1000 m²/month

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Product Description:

Quick Details for High Alumina Ceramic Foam Filter for Iron Foundry & Metallurgy

Place of Origin:

China (Mainland)

Brand Name:


Model Number:


PU foam (polyurethane foam)




10 ppi to 60 ppi

Property 1:

Mend structure of crystalloid

Property 2:

Reduce foreign matter

Property 3:

Stable chemical property

Property 4:

Stable purifying efficiency

polyurethane foam filter:

polyurethane foam

Packaging & Delivery

Packaging Details:carton and pallet, or as customers' requirement
Delivery Detail:30 days after receiving the downpayment


Alumina ceramic foam filter 
1.even aperture, high porosity, proper sinter 
2.high strength of anti-flexing and anti-compression

Alumina ceramic foam filter

The product, adopted good portiforium foam and high purity ceramic , effectively removes non-metal solid mixture from aluminium and aluminium alloy fusant.

Zirconia Ceramic Foam Filter for Iron Foundry & Steel Casting


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


even aperture, high porosity, proper sinter, high strength of anti-flexing and anti-compression, effective filtering.

It is widely applied to the aluminium fusant filter equipment of continuous casting, half-continuous casting, gravity casting, and low pressure casting.

Ceramic foam filters are different from aperture specifications from 10 to 45ppi, with different sizes and shapes.

Besides the general specification ,we can offer the product according to the customers requirements.


Form  A   Ceramic foam filter capability






Volume intensity


Tortuous intensity in  normal temperature



Pressure resistence intensity

in normal temperature



Pressure resistence


in high temperature






Air discharging

















Form  B  25ppi capability of typical pouring of ceramic foam filter




Area M2


Maximum metal volume of pouring


Optimum volume of pouring


Typical capacity of filtering





































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Zirconia Ceramic Foam Filter for Iron Foundry & Steel Casting

Zirconia Ceramic Foam Filter for Iron Foundry & Steel Casting

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Q:The working principle of ceramic filter
Based on the work principle of ceramic filter function of the capillary, by using porous ceramic as filter media, a large number of small capillary action with solid-liquid separation equipment design principle using microporous ceramic disc filter in negative pressure, working conditions, characteristics of the microporous ceramic filter plate with its unique water impermeable, extraction of ceramic filter plate and external vacuum cavity the differential pressure tank suspension material under the action of negative pressure adsorption in the ceramic filter plate, solid material can not through the microporous ceramic filter plate is retained on the surface of the ceramic plate, and the liquid due to the hydrophilic effect of vacuum pressure difference and the ceramic filter plate is passed into the gas-liquid distribution device (vacuum barrel) efflux or recycling so as to achieve the purpose of solid-liquid separation.
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?
The faster the speed is, the shorter the time required for each turn, i.e., the shorter the filtration time, the less the filtrate will be
Q:What's the acid of the ceramic filter plate?
Ceramic filter boards tend to clog and acid washing is used to dissolve and dredge blockages in their pores.
Q:Why does not the iron filter of the ceramic filter work?
You should make it clear that the filter cake has always been dry or suddenly dry, and now how much moisture? Generally, the ceramic filter is used to filter iron powder, and the water content of the filter cake is about 10%.
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:Why should filter core be used in backwash of ceramic filter?
Ceramic filter recoil stage is with certain pressure of clean water from the inside out washing ceramic filter plate, the outer aperture ceramic filter plate from inside is gradually reduced, such as flushing water and unclean inside contain impurities that may block ceramic filter board, other structures in the recoil stage of pollution. Such as recoil, water is not clean, you must go through the water filter cartridge to filter again, the choice of filter core, the higher the accuracy of filtration, the more clean water, but the filter is more likely to plug, scrap. Of course, the water is clean and contains little solids. The filter core is not easy to plug and even water filters can be removed.
Q:The efficiency of ceramic filter is low. What's wrong with it?
CleanThe cleaning of ceramic filter is divided into two parts: reverse flush cleaning (also useful gas) and combined cleaning. The purpose of cleaning is to discharge the particles from the hole to the ceramic filter board.Anti flushing and cleaning water filter after direct visual pressure can, generally between 0.08--0.12MPa, such as less than 0.05MPa, while the poor flushing effect without even washing effect, resulting in blocking accumulation eventually led to the ceramic filter plate hole plugging scrap. Replacing the filter element in time and ensuring the water pressure before filtration can provide stable backwashing water pressure.Combined cleaning by ultrasonic vibration, nitrate dissolution method for maximum remove blockage of backwash rushed out, the general ceramic filter every 8 hours of continuous work should stop cleaning 1 hours, such as the use of the old plate or the suction effect is poor, can strengthen cleaning (such as shorten the cleaning period, prolong the period of cleaning, increase the amount of nitric acid etc.).
Q:The ceramic filter plate is broken. What will happen to the vacuum pump?
At this time, take the filtrate (this is not the first water slurry) will pollute the ceramic filter pipe, friction ring, filtrate pump, may damage the vacuum system, remaining in the pipeline in the pulp will recoil pressure under the action of pollution caused by the other ceramic plates, ceramic plates blocked him. Once the ceramic plate is broken (depending on the severity), it will make the vacuum distortion, resulting in ceramic filter suction effect worse or even no suction!
Q:What is the reason that the whole ceramic filter does not attract ore?
After the joint cleaning, 0~2 hours of suction effect may be good, 2~4 may drop slightly, 4 hours later will become worse and worse, or even suck. This case should first check the backwash water pressure (instantaneous maximum pressure should not be less than 0.08MPa) is to meet the requirements, should also advance down (to ensure normal and ultrasonic cleaning combined with nitric acid dosage sufficient) and prolong the cleaning time.
Q:The ceramic filter suddenly did not smoke, and later he was all right. What's the 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 is poor, I hope to help you:

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