Zirconia Ceramic Filter Plate for Steel Foundry

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Specifications

Purifying Liquid Steel
Improving Steel Casting Quality
Reduce Slag
Improving Casting Surface Quality

Zirconia Foam Ceramic Filter

Zirconia foam ceramic filter apply to purge solution of carbon steel, steel alloy and stainless steel, it can endure quire of technology of steel and get rid of foreign matter and materials of corroded model. It can also drop turbulent and reduce twice oxide foreign matter.

Purge solution steel casting;

Improve accepted rate of steel casting;

Reduce foreign matter of steel casting;

Drop twice oxide flaw;

Reduce second-face flaw after machine process.

Technical Data:

Bore Density(PPi)/pp 10-20

Porosity (%) 80-90

Refractoriness () 1700

Bending Strength (Mpa) 0.8-1.0

Compression Strength (Mpa) 1.0-1.2

Thermal Shock Resistance 6

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Q: How many degrees does the ceramic filter melt?: Alumina made from tabular corundum can be used over 1800 degrees!SiC if there is atmosphere, protection will be higher, there is no atmosphere protection, because the existence of oxidation, generally not more than 1600.Corundum, mullite, 1750 degrees small meaning.

Q: Influence factors of ceramic filter: (1) the particle size and the distribution of the material match the microporous of the ceramic filter plate. Although the ceramic filter plate aperture is bigger, easy to suck the pulp, but easy to cause the ceramic filter board to block up.(2) the ceramic filter plate with the same ceramic filter plate with high pore permeability and high water permeability is selected with high water permeability and good slurry absorption performance. The spindle speed is slow, the formation time of growth in the area of vacuum filter cake, production capacity increased gradually, but because the unit time of grout thickness and spindle speed slow is proportional to, so the ceramic filter capacity in a range of showing the highest.

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 use of water glass as beneficiation agent, copper concentrate in the ceramic filter can not filter, how to do?: Water glass is a kind of adhesive of flotation reagent, after use may cause the pulp viscosity increased, leading to the adsorption resistance of slurry becomes large, when using ceramic filter filtration dewatering, vacuum suction surface of the microporous ceramic filter plate is smaller than the resistance, there may be a suction effect or even not suction. Some flocculant agents can lead to this phenomenon.

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: Ceramic filter cleaning, sulfuric acid cleaning: Can be washed with chromic acid lotion. The effect is better

Q: What's the acid of the ceramic filter plate?: Ceramic filter automatic control system: control system through the metering pump will be concentrated nitric acid automatic mixing ceramic filter plate into nitrate after proportioning through the pipeline, so that it can be dissolved, dredge the blockage in the most microporous ceramic filter plate. This is the ceramic filter plate pickling, pickling, acid dosage should be sufficient as little pickling effect.

Q: What is the backwashing pressure of the ceramic filter?: It should be said that the ceramic filter backwash, usually with a certain pressure of clean water to backwash.

Q: How should the static and dynamic sealing points of the ceramic filter be leaking?: When the ceramic filter works, the operation may be as follows: 1. The feed is injected and the pulp is injected into the tank of the ceramic filter. 2, mixing system, ceramic filter stirring rake back and forth mixing, driven by mixing reducer. 3, spindle rotation, material level reached a certain range, through the spindle speed machine to drive the ceramic filter disk rotation.

Q: Can the ceramic plate filter the hot air?: Ceramic filter by vacuum suction effect in the ceramic filter plate to cake drying purpose, ceramic filter plate needs cleaning and life, if you discover that the slurry sucking effect is poor or even grout should first consider the three aspects: the two factors of ceramic filtering plate of ceramic filter plate most likely, are fracture and hole plugging: rupture will lead to distortion and poor vacuum cleaning; plugging holes will cause the filter plate suction effect is poor even if grout, ceramic filter plugging hole, can strengthen the appropriate cleaning (such as shortening cleaning cycle, prolong the cleaning time, increase the amount of nitric acid, such as strengthening cleaning etc.) after the effect is still not improved, you should consider the life is approaching should be scrapped and replaced with ceramic filter plate new (replacement plate should not put new or different manufacturers is mounted on the same line, the most OK, complete replacement.).

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