Alumina Ceramic Filter Plate for Aluminium Casting

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Products confirm with China National Standard GB/T 25139-2010.

APPLICATION:For the filtration of molten aluminum and non ferrous alloy.

Alumina Ceramic Foam Filters mainly for filtration of aluminum and alloys in foundries and cast houses .With the excellent
resistance to attack and corrosion from molten aluminum, the filter can effectively remove inclusions, reduce trapped gas
and provide laminar flow and then the filtered metal is significantly cleaner.Cleaner metal results in higher-quality castings,
less scrap, and fewer inclusion defects, all of which contribute to bottom-line profit.

-Reduce scrap related to inclusions.

-Reduce costs related to inclusion defects.

-Increase productivity with higher extrusion or rolling speeds.

-Increase casting flexibility with easy alloy changes.

-No holding metal.

FEATURES：

*Superior dimensional tolerances

*Stable chemical composition

*Highest filtration efficiency

*Excellent strength

*Resistant to corrosion attack by molten aluminum and alloys

*Beveled edges and compressible gasket

SPECIFICATION：

Color:White

Working Temp :≤1100°C

Porosity:80~90%
PPI(pores per inch):10/20/30/40

Compression Strength (Room Temperature) :≥0.8Mpa

Volume Density: 0.36-0.5g/cm3

Thermal Shock Resistance:1100°C to room temperature 6 times

COMMON SIZES:
7x7x2" (178x178x50mm)
9x9x2" (229x229x50mm)
12x12x2" (305x305x50mm)
15x15x2" (381x381x50mm)
17x17x2" (432x432x50mm)
20x20x2" (508x508x50mm)
23x23x2" (584x584x50mm)

*Other sizes can be customized upon request.

Q:What is the reason that the ceramic filter does not absorb mineral powder?: The recoil pressure is regulated by the pump loop valve and the pressure regulating valve. In order to avoid frequent fluctuations in pressure and pressure within a short period of time, a buffer cylinder with a stabilizing effect is provided in the backwash pipe.

Q:The vacuum degree of the ceramic filter is normal and the cake water is large?: The concentration, particle size and mud content of the raw materials are not suitable for or due to changes, which are no longer suitable for dehydration using ceramic filters

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:The efficiency of ceramic filter is low. What's wrong with it?: Ceramic filter is a new and efficient dehydration equipment. If users find the ceramic filter board surface suction effect is poor, or even do not suck slurry, we should promptly investigate the causes, so as not to affect production efficiency.

Q:Ceramic filter suddenly do not smoke, a little later on their own good, what reason?: The size of ceramic filter is generally on both sides of the vacuum tank, such as 50 square meters with 5 square meters of ceramic filter / ring ceramic filter plate combination (possible), there are 10 discs, the ceramic plate left a vacuum tank on the left of the 5 disc for filtration, vacuum filtration tank for the ceramic plate on the right right of the 5 disc. If a vacuum system temporarily fails, it may cause poor suction, no suction, and a normal operation at the other end.

Q:How can I avoid the backwash pressure in the production of ceramic filter?: Recoil of the ceramic filter is on the clean water under certain pressure, from the inside out flushing blockage blockage in the ceramic filter plate on the internal pore water pressure, the recoil is generally less than 0.12MPa, the pressure is too small or no recoil recoil effect is not good.

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:Ceramic filter capacity.: You ask too general, to say processing capacity (ie capacity), at least to provide material conditions, such as: material name, concentration, particle size distribution. In addition, the basic conditions of equipment operation should be taken into account.

Q:What are the poor filtration effects of vacuum disc filters?: Under normal circumstances, high vacuum, vacuum suction, high production capacity, filter cake moisture control is good. At present, some ceramic filters are equipped with two or multi-stage vacuum system to obtain almost absolute vacuum, and can reach 0.09 ~ 0.098MPa.

Q:Why does not the iron filter of the ceramic filter work?: The main speed of the ceramic filter is too fast.The vacuum of ceramic filter is not enough.The cleaning of ceramic filter has not met the requirement.The ceramic filter plate has a near life and a serious blockage.The selection of ceramic filter plate is different.Too much residual of ceramic scraper after discharge.

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