ceramic foam filter Alumina

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Product Description:

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.



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Q:The efficiency of ceramic filter is low. What's wrong with it?
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 these three aspects:Ceramic filter plateTwo factors of ceramic filter plate most likely, respectively is the rupture and plugging holes: the 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 cleaning (such as shorten the cleaning cycle, prolong the cleaning time, increase the amount of nitrate), such as strengthening the cleaning effect is still not improved, it should consider the life 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, best can complete change).Vacuum system failureThe vacuum degree of ceramic filter is usually about -0.085MPa. If the abnormal vacuum is found, the normal vacuum suction can not be provided, and the suction effect will be poor, or even the pulp will not be sucked.If the vacuum is abnormal, should adhere to the vacuum pump, vacuum connection pipe is whether the fault Water Leakage leakage, distribution valve friction sealing, ceramic filter plate is connected with the rubber tube is aging or exfoliation, ceramic filter plate rupture.
Q:The use of water glass as beneficiation agent, copper concentrate in the ceramic filter can not filter, how to do?
As everyone knows, ceramic filter medium is a ceramic filter plate, microporous ceramic filter plate with a lot of distribution from the outside to the inside capillary effect, its mechanism is based on the capillary effect of microporous ceramic filter, filtration, the filtrate (generally refers to water) through these pores under the action of the vacuum suction pump, filter cake is trapped on the surface of the ceramic filter plate.
Q:What's the reason for high water content in filtration copper concentrate?
Ceramic filter plate1) the service life of the ceramic filter plate has arrived.2), ceramic filter plate uneven in quality on the market, the production capacity of some ceramic products difference (table mask size is too large or pore size uniformity is poor as a result of suction effect is poor, short life), but the price is low, but some users in order to reduce the operation cost of ceramic machine, tend to choose low price the ceramic plate, sometimes a ceramic machine ceramic filter plate with several may be different, so do not get the expected effect in normal use.In addition, the concentrator slurry, especially metal slurry, is very powerful on the wear of ceramic filter plate, the mechanical strength and wear resistance of ceramic filter plate requirements (corundum has high mechanical strength, good abrasion resistance, especially suitable for metal slurry dehydration).When selecting ceramic filter boards, these two points should be taken as a reference.
Q:Working principle, ultrasonic trouble and troubleshooting of ceramic filter
The shape and mechanism of the ceramic filter are similar to those of the disc vacuum filter, but the filter media are different. The filter medium of ceramic filter is the ceramic filter plate, it can produce the micro capillary effect and capillary force in micropores is higher than the general vacuum applied force, so that the pores keep full of liquid state, so no matter what the circumstances, the air does not pass through the ceramic filter plate, so that the ceramic filter solid-liquid separation of low energy consumption, and high vacuum.
Q:What about the leakage of the ceramic filter static and dynamic sealing points?
The filtrate pump works to drain or recycle the water that has been pumped out. 6 、 cleaning system work, cleaning system includes backwashing (water pump pressure or height difference pressure), acid liquid (metering pump, automatic acid injection), ultrasonic (ultrasonic work), etc.. 7 、 control system and other electrical systems. In addition, the filter cake which is absorbed and dried on the ceramic filter plate is unloaded automatically by the scraper and then falls on the belt conveyor, and is conveyed to the concentrate storage yard by a belt conveyor. Other questions about ceramic filter, welcome to chat with me or look at my head
Q:The ceramic filter plate is broken. What will happen to the vacuum pump?
If it is found that the ceramic plate is broken, it should stop in time to replace the broken ceramic plate. Ceramic filter is produced by vacuum suction vacuum pump to the pulp in the water through the ceramic plate away, the surface aperture ceramic plate for several microns, so it can intercept the cake on the ceramic plate on the surface, if the ceramic plate is broken, a hole is a few millimeters, when the vacuum suction pump when they go together along with the pulp pump.
Q:Performance advantages of ceramic filter
The base is provided with a slime recovery rotor, the rotor consists of a shaft, multistage ceramic filter disc, stripper plate, multi section water connecting pipe, pipe support plate, negative pressure connecting component dynamic disk; the rotor is in the recovery of coal slime liquid tank; the ceramic filter disc by a plurality of ceramic microporous plate cavity, located on the same axis of a ceramic plate cavity communicated through the outlet connection pipe.
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: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:Can the ceramic plate filter the hot air?
The cleaning of the ceramic filter is divided into two parts: reverse flushing (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.). Other reasons such as 1,2,3 are normal, but can not be discharged from the spindle speed too fast, even the ceramic filter itself manufacturing defects, the user equipment modification and so on, are likely to lead to abnormal operation of equipment. We specialize in ceramic filter boards for many years and welcome exchanges.

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