Foam Air Filter Ceramic Filter Plate

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Ceramicfoam filter is a kind of effective molten metal filter. It’s three-dimensionalconnected mesh skeleton structure and high porosity makes it has manyadvantages,large surface area of slags collection,largeinner surface area of filtering,Small flow resistance,goodfiltering effect,etc.

Functions of ceramic foam filter
decontaminatethe melting metal liquid,Simplified gating system,Improve casting qualityrate,Reduce casting internal re-oxidation defects.Reduce the surface defectsafter 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

Q: Performance advantages of ceramic filter: A ceramic filter for fine coal mud recovery, there is a base, the lower part of the frame is provided with a fine slime liquid trough, the fine slime liquid material groove is provided with a liquid level controller, the slime liquid material at both ends of the groove is provided with a negative pressure water tank, the water tank is provided with a negative pressure suction connection assembly fixing the other side is provided with a vacuum pump pipeline, the pipeline is communicated with a vacuum pump and vacuum pump;

Q: What's the reason for high water content in filtration copper concentrate?: Can the cleaning of ceramic plate meet the requirement?Such as cleaning of ceramic plate is not up to the requirements, plugging holes will increase the risk of ceramic plate, ceramic plate plug serious suction effect will become worse (filter cake moisture content increased, cake thickness reduction), cleaning of ceramic plate refers to washing and cleaning.Backwash to ensure that the water filter filter water pressure in the 0.1MPa or so, at least not less than 0.07MPa or less, it is necessary to consider before the filter water pressure is low or water filter element needs to be replaced.Joint cleaning to ensure that the ultrasonic can be no trouble, every time cleaning the amount of nitric acid up to standard. If the filtration effect is not ideal, the cleaning cycle can be washed from 45--60 every 8 hours, changed to 6--7 hours and cleaned for more than 1 hours.

Q: What are the materials that make up the ceramic mold?: At present, the commercialized porous ceramic membranes are mainly composed of 3 types: flat plate, tubular and multi channel. Flat film is mainly used for small-scale industrial production and laboratory research. The tubular membrane is combined with rice to form a heat exchanger similar to a column tube heat exchanger, which can increase the loading capacity of the membrane, but is gradually withdrawn from industrial application due to its strength problem. The size of the applied ceramic membrane usually adopts a multi channel configuration, that is, a plurality of channels are distributed on a circular cross-section, and the number of general channels is 7, 19 and 37. The main business of the inorganic ceramic membrane preparation technology: using solid particle sintering preparation carrier and microfiltration membrane by sol-gel method in the preparation of ultrafiltration membrane: glass membrane by phase separation method: using special technology (such as chemical vapor deposition, electroless plating, etc.) the preparation of microporous membrane or dense membrane. Its basic theory involves colloid and surface chemistry, material chemistry, solid state ion science, material processing and so on.

Q: The working principle of ceramic filter: The working principle and mechanism and the shape of ceramic filter disk vacuum filter is similar to that in the pressure under the action of suspension by filtration medium, particles are trapped cake is formed at the surface of the medium, and the liquid through a filter medium outflow, reached the purpose of solid-liquid separation. The difference is that the filter medium of ceramic filter plate with microporous capillary effect, the capillary force in the pores is larger than the vacuum force applied to microporous keep full liquid state, no matter under what circumstances, the ceramic filter plate does not allow air through, because there is no air through solid-liquid separation, low energy consumption, vacuum a high degree of.

Q: Common troubles of ceramic filter: The metering pump is not working properly and backwash water into the bucket of acid. The main reason is that the metering pump is not switched on, the diaphragm is worn out, the frequency is too low, and the check valve of the acid pipe and backwash pipe is worn out.

Q: What is the working pressure of the ceramic filter?: Vacuum pressure or suction is the vacuum of the equipment, the size of the vacuum directly affects the effect of ceramic filter board suction (yield and water content). The vacuum system of ceramic filter consists of vacuum pumps, tanks, distribution device, ceramic filter plate and a connecting pipe is composed of ceramic filter, the vacuum pump is generally 2BV series water circulation pump, the vacuum pump vacuum limit is -0.097MPa, using a vacuum pump for a long time or vacuum system has poor sealing performance may cause a certain degree of vacuum distortion, so the ceramic filter vacuum is generally difficult to achieve in the -0.097MPa, -0.08 ~ 0.097MPa, which indicates that the vacuum degree is good, such as the vacuum degree is not up to -0.07MPa or less, the vacuum system may be an exception.

Q: Microporous ceramic filter plate cleaning: For the use of a long time, the method 1, the effect is still no significant improvement, that is how to plug the ceramic filter plate regeneration? The ceramic filter plate with uneven or non sucking slurry can be removed, and oxalic acid or other acid liquid with certain concentration and certain temperature can be taken together to dredge the microporous of the ceramic filter plate. (do not recommend sulphuric acid)

Q: How much is the accuracy of 50nm ceramic membrane filtration?: 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: What is the backwashing pressure of the ceramic filter?: Ceramic filter is a kind of solid-liquid separation, dehydration drying equipment, such as dehydration pulp, mortar. The backwash of ceramic filter is to flush the filter medium (ceramic filter plate) with clean water with a certain pressure.

Q: How should the static and dynamic sealing points of the ceramic filter be leaking?: 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.

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