Silicon Carbide Ceramic Foam Filter for Foundry Cast

Ref Price:
$1.00 - 6.00 / pc
Loading Port:
Qingdao
Payment Terms:
TT or LC
Min Order Qty:
200 pc
Supply Capability:
200000 pc/month

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Product Description:

1.Production of ceramic foam filter

Ceramic Foam filters are just developed as a new type molten metal filter to decrease casting flaw in recent years. With its characteristics of light-weight, high mechanical strength, large specific surface areas, high porosity, excellent thermal shock resistance, erode resistance, high-performance,  Ceramic Foam filter is designed for filtering impurities from molten Iron & Alloy, nodular cast iron castings, grey iron castings and malleable castings, Bronze casting, etc.


2. Functions of ceramic foam filter

1). Thermal and chemical stability in high temperature,avoiding the chemical reaction with the filtered molten metal;

2). High porosity and good mechanical strength in high temperature due to its pure ceramic composite;

3). Low head loss,easy operation,energy-saving;

4). Making metal liquid flowing at stable speed and avoiding the sputtering and backset,thus increasing the surface quality of the cast part,preventing the pore disfigurement and finally lower down the unqualified rate;

5). Various sizes,shapes,apertures are available for kinds of foundry technique.


3.Physical and chemical properties

Silicon Carbide Foam Filters Data Sheet

Material/Item

Density 
(PPI)

Porosity 
(%)

Refractoriness 
(≤º C)

compressive strength at Normal Tem. (≥Mpa)

Thermal Shock Resistance (time/1100 º C)

 

 

 

Color

Alumina

10-20

80-87

1500

1.0

≥ 6

Gray-Black

 Common specifications and sieving capacity

Specifications( mm)

Biggest filtering ability (Kg)

Molten Iron Velocity(Kg/s)

 

Ductile Iron

Gary Iron

Ductile Iron

Gary Iron

(30~200)X(50~200)X22

30~450

60~900

3~36

4~54

200x200x40

800

1600

64

95

Dia40X11

20

40

2

3

(Dia40~150)X22

35~350

70~700

2~25

4.5~38

Dia 200X40

620

1240

44

67



 4.Usage of  ceramic foam filter


5.FAQ

We have organized several common questions for our clients,may help you sincerely: 

①How about your Warranty?

 Warranty: 1-Year for the whole light. Warranty is based on correct storage, installation, using and maintenanc

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At   the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.


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Q:What is the reason that ceramic filter does not absorb mineral powder?
There may be a failure of the filtrate pump, the diaphragm of the pump is damaged, and the mechanical seal of the pump is invalid
Q:What are the poor filtration effects of vacuum disc filters?
Under normal circumstances, high vacuum, vacuum suction, high production capacity, filter cake moisture control is good. At present, some ceramic filters are equipped with two or multi-stage vacuum system to obtain almost absolute vacuum, and can reach 0.09 ~ 0.098MPa.
Q:Working principle, ultrasonic trouble and troubleshooting of ceramic filter
Ceramic filter is mainly composed of system, roller system, mixing discharge system, vacuum system, liquid discharge system, scraper system, washing system, cleaning system, automatic control system, and these parts body frame.
Q:The ultrasonic wave of ceramic filter is not good. What's going on?
In ancient China, filtration technology was applied to produce paper made from plant fibers in 200 bc. The paper method was improved in AD 105. He wandered in dense in papermaking during plant fiber pulp fine bamboo. Water curtain gap filtration, a thin layer of wet pulp stay on the bamboo surface, after drying into paper.
Q:Ceramic filter fineness thin mud suction is not what to do more
With ceramic filter to treat pulp dehydration, the particle size is too large, the particles are easy to precipitate, the particle size is too small, too much mud, then the water content of the filter cake will increase, and the life of the ceramic filter plate will be reduced.
Q:The efficiency of ceramic filter is low. What's wrong with it?
Ceramic filter is a new and efficient dehydration equipment. If users find the ceramic filter board surface suction effect is poor, or even do not suck slurry, we should promptly investigate the causes, so as not to affect production efficiency.
Q:What is the working pressure of the ceramic filter?
The backwash pressure is the size of the backwash of the ceramic filter during recoil stage, and the recoil pressure is generally less than 0.12MPa. The greater the pressure, the better the recoil effect, the better the service life and the suction effect of the ceramic filter plate, and the worse the service life and the suction effect of the ceramic filter board. The backwash pressure of the ceramic filter shall be no less than 0.07MPa.
Q:Ceramic filter cleaning, sulfuric acid cleaning
Can be washed with chromic acid lotion. The effect is better
Q:Influence factors of ceramic filter
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. Generally, the higher the temperature, the smaller the viscosity of the liquid, the more conducive to improve the filtration rate, reduce the cake or sediment water, while reducing the viscosity of the slurry, can improve the processing capacity.
Q:The vacuum of ceramic filter is not enough
The vacuum degree of ceramic filter is about -0.08MPa, if the ceramic filter is less than 0.06MPa, the vacuum is not enough. If the vacuum of ceramic filter is not enough, it will influence the suction effect of ceramic filter (mainly the thickness of filter cake and water content of filter cake).

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