Silicon Carbide Ceramic Foam Filter System 1

Silicon Carbide Ceramic Foam Filter

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Loading Port:: China Main Port

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Specifications

Include:
SiC Foam Filter/CFF-01
Alumina Foam Filter/CFF-02
Zirconia Foam Filter/CFF-03
Magnesium Foam Filter (less used)

Product Description

Ceramic foam filter is a kind of effective molten metal filter. It’s three-dimensional connected mesh skeleton structure and high porosity makes it has many advantages,large surface area of slags collection,large inner surface area of filtering,Small flow resistance,good filtering effect,etc.

Functions of ceramic foam filter

decontaminate the melting metal liquid,Simplified gating system,Improve casting quality rate,Reduce casting internal re-oxidation defects.Reduce the surface defects after machining of the castings

Physical and Chemical Properties

Material	Alumina	Silicon Carbide	Zirconia	Magnesia
Color	White	Grey black	Yellow	Dark yellow
Pore Density	8-60ppi	8-60ppi	8-60ppi	8-60ppi
Porosity	80-90%	80-90%	80-90%	80-90%
Refractoriness	≤1100°C	≤1500°C	≤1700°C	≤1000°C
Bending Strength	>0.6Mpa	>0.8Mpa	>1.0Mpa	>0.6Mpa
Compression Strength	>0.8Mpa	>0.9Mpa	>1.2Mpa	>0.8Mpa
Volume-weight	0.3-0.45g/cm³	0.35-0.5 g/cm³	0.9-1.5 g/cm³	0.35-0.5 g/cm³
Thermal shock resistance	6times/1100°C	6times/1100°C	6times/1100°C	6times/1100°C
Application	Aluminium , Aluminium alloys and other Non-ferrous alloys	Ductile Cast Iron, Malleable Cast Iron,Gray iron and other Cast Iron	High melting point metal alloys like Steel,AlloySteel,Stainless Steel etc	Magnesium and High-Active Alloy

For Alumina Casting

Dimensions (mm)	Dimensions (inch)	Pouring Rate (kg/s)	Filtration Capacity (ton)
178×178×50	7×7×2	0.2-0.6	5
228×228×50	9×9×2	0.3-1.0	10
305×305×50	12×12×2	0.8-2.5	15
381×381×50	15×15×2	2.2-4.5	25
430×430×50	17×17×2	3.0-5.5	35
508×508×50	20×20×2	4.0-6.5	45
585×585×50	23×23×2	5.0-8.6	60

For Iron Casting

Dimension (mm)	Pouring Rate (kg/s)		Filtration Capacity (kg)
Dimension (mm)	Grey Iron	Ductile Iron	Grey Iron	Ductile Iron
40×40×22	4	3	65	32
50×50×22	6	4	100	52
75×50×22	9	6	150	75
75×75×22	14	9	220	100
100×50×22	12	8	200	100
100×75×22	18	12	300	150
100×100×22	25	16	400	200
150×150×22	50	36	900	450

For Steel casting

Dimensi ons (mm)	Zirconia Foam Filter
Dimensi ons (mm)	Pouring Rate(kg)	Filtration Capacity(kg)
50×50×22	3~5	30
50×75×22	4~6	40
75×75×22	7~12	60
75×100×22	8~15	80
100×100×22	14~20	100
50×22	2~6	18
80×22	6~10	50
90×22	8~16	70

Silicon Carbide Ceramic Foam Filter

Q:What is the filtration accuracy of 50nm ceramic membrane?: 50nm refers to the nominal pore size, but it does not mean that the holes in the ceramic membrane are 50nm, but the approximate number of holes. The size of the pores may be between 40~60 and 45 to 55nm. Generally introduced, annotated range, you can also own to detect.

Q:Excuse me, what's the reason that all ceramic filters do 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: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'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 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 vacuum of ceramic filter is not enough: Maybe the vacuum meter is broken. It doesn't show or show the data is different from the actual data.It could be the source of the vacuum, the vacuum pump failure.Pipeline leakage: vacuum system connecting pipes (metal pipes or rubber pipes) corrosion, aging and water leakage.Distributor head leakage: wear or poor sealing.Leakage of ceramic plate: rupture of ceramic plate.Other reasons.

Q:Can the plate filter press pass through the filter plate?: There are many types of pumps to be used, such as screw pumps, slag pumps, rotary pumps, piston pumps, and diaphragm pumps.

Q:The vacuum degree of the ceramic filter is normal and the cake water is large?: The vacuum degree of the ceramic filter is normal at about -0.08MPa. Under normal circumstances, the water content of the filter cake treated with a ceramic filter is about 10%, and the moisture content of the tail filter cake is about 15%. The water content of the filter cake increases with the increase of water content in the ceramic filter.

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:Why does not the iron filter of the ceramic filter work?: You should make it clear that the filter cake has always been dry or suddenly dry, and now how much moisture? Generally, the ceramic filter is used to filter iron powder, and the water content of the filter cake is about 10%.

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