Zirconia ceramic foam filter with good performance

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Product Description:

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



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Q:What is the reason that ceramic filter does not absorb mineral powder?
One is leakage, two is no liquid output or output weakness, pressure is too low, cleaning effect is not good, the pressure is too large, will cause damage to the filter plate and reduce the slurry concentration. The recoil pressure is regulated by the pump loop valve and the pressure regulating valve.
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:What is the filtration accuracy of 50nm ceramic membrane?
It should be noted that due to wear, plugging and so on, the new and different degrees of ceramic film, the pore size will change. Micron scale ceramic membrane filtration accuracy is very good, nano scale aperture range of such a small ceramic film does not know in what way.
Q:How many degrees does the ceramic filter melt?
You should say clearly what ceramic you useHowever, as a melting furnace or filter medium, alumina products are the most versatile, but also silicon carbide, corundum, mullite, spinel and so on. They use very high temperatures.
Q:What is the working pressure of the ceramic filter?
Generally speaking, there are two kinds of working pressure of ceramic filter: vacuum pressure and reverse flushing pressure.
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:Ceramic filter in vacuum pressure enough, the ceramic plate does not suck pulp, what is the reason for analysis?
Generally, the vacuum degree of ceramic filter is about -0.08MPa. Sufficient vacuum pressure is only a prerequisite for a good ceramic suction effect. Besides vacuum, the other factors may affect the suction effect:Vacuum display table fault, the difference between the display value and the actual data is great.
Q:Why should filter core be used in backwash of ceramic filter?
The filter in the water filter of ceramic filter is used for filtering water.
Q:What are the functions of honeycomb ceramic filters?
At present, it is widely used in metallurgy, foundry industry, metal melt filtration, using mullite (cordierite) ceramic materials
Q:Is the filter plate of the ceramic filter afraid of freezing?
The filter plate of ceramic filter is afraid of frost and should be protected.

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