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Description

We have three kinds of Ceramic Foam Filter: Silicon Carbide Ceramic Foam Filter,Alumina Ceramic Foam Filter,Zirconia Ceramic Foam Filter.

1.

Silicon carbide foam ceramic filter using German imported polyurethane foam sponge as a carrier, silicon carbide mainly squeezed into the foam sponge, and then squeeze out the slurry,

the slurry around the foam fiber, after drying, baking at high temperature, polyurethane thermal

decomposition, leaving foam ceramic products, namely silicon carbide foam ceramic filter.

The silicon carbide foam ceramic filter, with the three- dimensional mesh interconnection structure of foam sponge, can make metal liquid reflect rectification, mechanical screening, filtration cake, adsorption and other filtration mechanisms to effectively improve the purity of metal liquid, reduce waste rate, reduce mechanical processing loss, thus improve production efficiency and reduce production cost.

Silicon carbide foam ceramic filter has high strength, good thermal stability, larger than surface area and high size accuracy. It is mainly used to filter and purify the filtration of ductile cast iron, ash cast iron,aluminum, copper and other alloy metal liquid, effectively remove large inclusions in metal liquid, adsorb smell magazines, reduce the content of gas and harmful elements in metal liquid, improve the metal matrix organization, and improve the mechanical properties of castings.

2.

Alumina ceramic foam filter is a new type of low density, high porosity and with three dimensional network skeleton structure of the filter. And widely used in aluminum process industry for molten aluminum filtering, so as to improve aluminum quality.

Alumina ceramic foam filter can effectively removes non-metal solid mixture from aluminium and aluminium alloy fusant, 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, to improve the quality of aluminum alloy and other non-ferrous alloy casting, all of which contribute to reduce casting cost, its maximum service temperature 1200° C.

Alumina ceramic foam filter has the advantages of high porosity, high mechanical strength, stable chemical property, strong corrosion-resistant, high adsorption rate, excellent filtering functions and thermal shock resistance. It is mainly used for purification process of aluminum, aluminum alloy, and other nonferrous alloy production, can also be used as gas-solid, liquid-solid separation medium, catalyst carrier, burner and sound-absorbing and environmental protection fields.

Alumina ceramic foam filter is equipped with a gasket on the edges; the gasket assures the proper and tight position of the filter within the filter box. There are different types of gasket available, e.g. ceramic fiber gasket etc., also can provide alumina ceramic foam filter without gasket. These types of filters have been favored by customers from Europe and the United States for years.


Application of Alumina ceramic foam filter:

Alumina ceramic foam filter is mainly applied to the aluminum and aluminum alloys fusant filter equipment of continuous casting, half-continuous casting, gravity casting, and low pressure casting, also applied to other non-ferrous metal precision casting, gas-solid and liquid-solid separation medium, high temperature gas filter, chemical filling, sound absorbing material and catalysis carrier etc.

3.

Product Performance of Zirconia Foam Ceramic Filter:

1.Adjust the metal flow rate through rectification to reduce secondary inclusion and pores.

2.Reduce casting inclusion and reduce casting waste and welding repair rate.

3.Improve the surface quality and mechanical properties of the castings.


Application of Zirconia Foam Ceramic Filter:

Filtration of stainless steel, carbon steel and large castings.

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Technique Data

1.Technique Data of Silicon Carbide Ceramic Foam Filter:

Composition of product

Silicon Carbide,AL2O3,SiO ect

Color

Grey,Dark Grey

Using Temperature

1550

Number of hole density PP(holes per square inch)

10,15,20,30

Porosity

85%-90%

CMOR Mpa

1.5Mpa(Industry Standard 1.0Mpa)

Bulk Density

0.4g/cm3~0.5g/cm3


Square specification(mm)

Max filtering capacity(kg)

Normal metal fluid flow velocity(kg/s)

Round Specification(mm)

Max filtering capacity(kg)

Normal metal fluid flow velocity(kg/s)


Ductile cast iron  

Ash cast iron/copper-aluminum castings

Ductile cast iron

Ash cast iron/copper-aluminum castings


Ductile cast iron

Ash cast iron/copper-aluminum castings

Ductile cast iron

Ash cast iron/copper-aluminum castings

40*40*22

32

64

3

4

Φ40*22

25

50

2

3.5

50*50*22

50

100

4

6

Φ50*22

35

70

3

4.5

60*60*22

72

144

5

8

Φ60*22

50

100

4.2

6.5

75*50*22

75

150

6

9

Φ70*22

75

150

5.5

8.8

100*50*22

100

200

8

12

Φ80*22

100

200

7.2

11

75*75*22

110

220

9

14

Φ90*22

120

240

9

14

80*80*22

150

300

12

18

Φ100*22

140

280

11

17

100*100*22

200

400

16

24

Φ110*22

190

380

13

20

150*100*22

300

600

24

36

Φ120*22

230

460

16

25

150*150*22

450

900

36

54

Φ150*22

350

700

25

30


2. Technique Data of Alumina Ceramic Foam Filter:

Porosity(%)

80-90%

Working Temperature

1100

Bending Strength (Mpa)

0.6

Compression Strength (Mpa)

0.8

Thermal Shock Resistance

1100room temperature 6 times

Bulk Density

0.35-0.45 g/cm3


Technique Data of Zirconia Foam Ceramic Filter:


L * W * T / Diameter *thick (mm)

Filter capacity (kg)

The pouring flow (kg/s) direct channel is 300mm high


High degree of deoxygenation

Low degree of deoxygenation

Carbon-based steel castings

Stainless steel casting pieces

50Dx20

30

90

2.0

3.0

70Dx25

60

175

3.8

5.7

90Dx25

95

285

6.4

9.5

125Dx30

185

550

12.2

18.4

150Dx30

265

795

17.7

26.5

50x50x20

35

110

2.5

3.7

50x75x25

55

170

3.7

5.6

75x75x25

85

255

5.6

8.4

100x100x25

150

450

10.0

15.0

125x125x30

235

700

15.6

23.4

150x150x30

340

1010

22.5

33.7


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