• Foam air filter System 1
Foam air filter

Foam air filter

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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)

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

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:Beneficiation ceramic filter no problem, the technical parameters are normal, but filter out the concentrate water suddenly excessive, what is the reason?
First, the fineness of the material, resulting in the filter board filter cake moistureTwo, the vacuum can not reach, in the circumstances, whether the vacuum pipe leak
Q:Ceramic filter in vacuum pressure enough, the ceramic plate does not suck pulp, what is the reason for analysis?
The filtrate is not discharged smoothly.The filtrate can not be discharged in a timely and smooth manner, the new filtrate can not be sucked out, and the filtrate can not be continuously sucked out, so that the filter cake can not be adsorbed on the ceramic plate.
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?
In unit time, the more turns of the drum, the greater the centrifugal force, the greater the rate of filtration in unit time, that is to say, the amount of filtrate in unit time is moreRotating drum vacuum filter, the greater the speed, the greater the filtration rate, but the shorter the time each turn, the amount of each filtrate will be reduced
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:What are the poor filtration effects of vacuum disc filters?
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.On the other hand, as the spindle speed slows down, the thickness of the slurry is thickened, and the moisture of the concentrate is also affected. For viscous material, ceramic filter with ceramic plate to work as filter media, when the cake is formed gradually into the porous filter medium filter cake itself, and the cake is not easy to form a viscous material, forming a dry cake appearance does not slow, the spindle speed is easy to reduce the water content of concentrate. Similarly, the spindle speed is accelerated, the cake formation time in the vacuum zone is shortened, and the slurry thickness is reduced, and the material can be improved for the easy molding material. But the spindle speed is too fast to be cleaned after each cycle of the ceramic plate. As for the viscous material, the cake is difficult to form after the spindle speed increases, and it will affect the capacity. Therefore, the use of ceramic filter should focus on the inherent nature of the concentrate to explore the best spindle speed.
Q:Microporous ceramic filter plate cleaning
Ceramic filter comes with a combined cleaning system, usually to ensure backwashing normal, combined cleaning (nitric acid + ultrasonic + backwash) in place.
Q:The use of water glass as beneficiation agent, copper concentrate in the ceramic filter can not filter, how to do?
Of course, there may be equipment operating parameters can not meet the requirements, ceramic filter board has blocked hole close to scrap.Ceramic filter in use in the process of problems, should promptly contact manufacturers, seek help.
Q:The working principle of ceramic filter
Based on the work principle of ceramic filter function of the capillary, by using porous ceramic as filter media, a large number of small capillary action with solid-liquid separation equipment design principle using microporous ceramic disc filter in negative pressure, working conditions, characteristics of the microporous ceramic filter plate with its unique water impermeable, extraction of ceramic filter plate and external vacuum cavity the differential pressure tank suspension material under the action of negative pressure adsorption in the ceramic filter plate, solid material can not through the microporous ceramic filter plate is retained on the surface of the ceramic plate, and the liquid due to the hydrophilic effect of vacuum pressure difference and the ceramic filter plate is passed into the gas-liquid distribution device (vacuum barrel) efflux or recycling so as to achieve the purpose of solid-liquid separation.
Q:How to determine the quality of ceramic fiber filter board simply?
Ceramic fiber board quality can be judged from the following aspects:1, appearance. The surface is flat and the cutting surface is well arranged, and vice versa.2 density. Press the hands, and the surface is soft and smooth.3, process. Vacuum suction and continuous production process.4, cross section, slag ball content is low.
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;

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