Extruded ceramic filter

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Product Description:

Extruded ceramic filter

Application: Grey iron, ductile iron, aluminum alloy and other non-ferrous alloys.

NINGXIN ECF filter can effectively remove inclusions and eliminate turbulence in the metal stream. Mullite-based ceramic material with a dense network of perfectly cells to withstand thermal shock and extreme pouring temperatures.The cellular design also provides an engineered balance between flow rate and strength.Our extruded ceramic filters have excellent properties of good thermal stability, high specific surface area and resistance to acid and alkali. They are applicable to wide and extensive foundry filtration applications and processes.

Product features:
-Decrease the impurity of molten metal
-Deduce the turbulence of molten metal
-Improve the castings mechanical properties
-Decrease machining cost and improve the cutting characteristics
-Improve casting quality and yield

Technique data:
Main material: Cordierite, Mullite.
Refractoriness: >1500℃
CSI (cells per square inch):100/200/300
Porosity(%): 35-60
Bulk Density(g/cm3): 0.8-1.2
Compression strength:>20MPa
Size:From 40mm to 150mm square, rectangle and round shape
Hole type: square, round, triangle
Common sizes:
37x37mm 43.5x43.5mm 49x49mm 55x55mm 66x66mm 81x81mm D50mm D55mm D66mm D70mm D81mm
Thickness:9.5mm 12.5mm 15mm

Advantages:
-High dimensional accuracy
-High strength,no broken or damaged in use and transport
-Higher filtration effectiveness than fabric or wire mesh filter


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Q:The ultrasonic wave of ceramic filter is not good. What's going on?
In ancient China, filtration technology was applied to produce paper made from plant fibers in 200 bc. The paper method was improved in AD 105. He wandered in dense in papermaking during plant fiber pulp fine bamboo. Water curtain gap filtration, a thin layer of wet pulp stay on the bamboo surface, after drying into paper.
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?
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:What's the acid of the ceramic filter plate?
General ceramic filter running for eight hours or so, you need to stop for joint cleaning, general cleaning at an hour or so. When washing together, there is acid washing, usually concentrated nitric acid. The purpose is to dissolve the pores in the ceramic filter plate through nitric acid.
Q:Common troubles of ceramic filter
(1) low vacuum, can not meet the production requirements. The main reason is the vacuum pipeline leakage, vacuum pump circulating water is not enough, vacuum pump impeller wear and tear, distribution head wear, ceramic filter plate damage, filtrate tank drainage valve is not closed, pulp trough material level is lower;(2) low or fluctuating backwash water pressure. The main reason is the blockage or leakage of the backwash water pipe system and the distribution of head wear;(3) the liquid level of the filtrate tank is high. The main reason is that the circulating water pump impeller or pump shell wear, pressure is insufficient, so that the drain valve can not open or drain valve itself failure, and filter barrels and circulating water pipe between the leakage;
Q:What's the reason for high water content in filtration copper concentrate?
Vacuum: about -0.08MPaIf the vacuum required to consider other factors; such as the vacuum degree is not up to even only about -0.05MPa, it should be related to pipeline inspection of vacuum system leakage, vacuum pump damage, distribution valve failure, ceramic plate breakage, ceramic plate connecting pipe leakage may cause the vacuum is not up to, to achieve early detection and early treatment.
Q:How should the static and dynamic sealing points of the ceramic filter be leaking?
When the main shaft is rotated, the filter cake is adsorbed on the surface of the ceramic filter plate and dehydrated by the vacuum generated by the vacuum pump.
Q:What are the reasons for the program alarm of ceramic filter?
If you say "lean" is the ceramic filter suction when the ceramic filter plate into a cake of thin, high water content, is the ceramic filter for their own reasons, can from the following aspects: the investigation considering this phenomenon is always so recently or just happened, if you have been so, probably because your selection is not suitable for pulp the ceramic filter (such as mud content, fine grain size, ceramic filter plate selection such as inconsistent or unqualified ceramic filter). If this anomaly has occurred recently, it is possible to change the ore condition, and the operation parameters of ceramic filters or the cleaning are not up to standard. You can check the vacuum system (vacuum generally ranges from -0.09 to -0.075MPa), backwashing system (generally refers to the filtered water recoil 0.07 ~ 0.12MPa), acid (HNO3 system standards), ultrasonic system is normal.
Q:Microporous ceramic filter plate cleaning
Ceramic filter comes with a combined cleaning system, usually to ensure backwashing normal, combined cleaning (nitric acid + ultrasonic + backwash) in place.
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

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