Silicon Carbide Ceramic Foam Filter with Good Quality

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Shanghai
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100 g/m²
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1000 g/m²/month

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Quick Details for Silicon Carbide Ceramic Foam Filter  with Good Quality

Place of Origin:

China (Mainland)

Brand Name:

CMAX

Model Number:


Packaging & Delivery

Packaging Details:standard seaworthy/airworthy export packing
Delivery Detail:3 weeks


Specifications

Silicon Carbide Ceramic Foam Filter work at more than 1500 Degree Celsius, filter moten iron and copper in related casting.

Silicon Carbide Ceramic Foam Filter

Ceramic Foam Filter is the third generation filter, compared with traditional filtering materials(ceramic honeycomb filter, extruded filter), our Ceramic Foam Filter have the advantages as below:

1. High thermal stability, stable chemical composition in high temperature,avoid the chemical reaction with the filtered molten metal.

2. High mechanical strength, large specific surface,efficient in purifying the metal flow.

3. Lower the filtering head loss,easy-operating,save energy. Smooth the metal flow,avoid the spray, spatter and backset,improve the exterior quality of the casting product,prevent the pore disfigurement,reduce the inferior rate.

4. Various size, shape and  aperture,suitable for  kinds of casting technique.

The Ceramic Foam Filter are widely used in non-ferrous metal smelt, Foundry Industrial of Copper, Aluminum Alloy, Cast Iron, Cast Steel and high temperature fume separator, special filling. silicon carbide ceramic foam filter been used to filter molten iron and copper liquid in the iron casting industry, improve the casting product quality highly.

 

Silicon Carbide Ceramic Foam Filter Technical specification

Type  Items

KFF-1

Material

SiC

Working Temperature

1500°C

Physical

Properties

Porosity%

80~90

Compression
Strength
(Room Temp.
)

≥0.9Mpa

Volume Density

≤0.6g/cm3

Thermal Shock Resistance

1100°C--Room Temperature ≥6 times

Main

Chemical

Content

Al2O3

≤30%

SiC

≥60%

SiO2

≤10%

ZrO2

-

Others

0~1%

Dimension

Round Shape

Φ30~Φ300mm

Square Shape

30~320mm

Thickness

11~50mm

Pore Size

ppi

8~40ppi

mm

0.1~15mm

 

Silicon Carbide Ceramic Foam Filter  with Good Quality

Silicon Carbide Ceramic Foam Filter  with Good Quality

Silicon Carbide Ceramic Foam Filter  with Good Quality



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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:The ultrasonic wave of ceramic filter is not good. What's going on?
The earliest filtration was mostly gravity filtration, which was followed by pressure filtration to increase the rate of filtration, followed by vacuum filtration. The drum vacuum filter invented in the early twentieth Century realized the continuous operation of the filter. Since then, various types of continuous filters have appeared. Intermittent operating filters (such as plate and frame press filters) are developed for automatic operation, and the filtration area is becoming larger and larger. In order to obtain the filter residue with low moisture content, the mechanical press filter has been developed.
Q:How many degrees does the ceramic filter melt?
Alumina made from tabular corundum can be used over 1800 degrees!SiC if there is atmosphere, protection will be higher, there is no atmosphere protection, because the existence of oxidation, generally not more than 1600.Corundum, mullite, 1750 degrees small meaning.
Q:Common troubles of ceramic filter
(1) low vacuum, can not meet the production requirements. The main reason is the vacuum pipeline leakage, vacuum pump circulating water is not enough, vacuum pump impeller wear and tear, distribution head wear, ceramic filter plate damage, filtrate tank drainage valve is not closed, pulp trough material level is lower;(2) low or fluctuating backwash water pressure. The main reason is the blockage or leakage of the backwash water pipe system and the distribution of head wear;(3) the liquid level of the filtrate tank is high. The main reason is that the circulating water pump impeller or pump shell wear, pressure is insufficient, so that the drain valve can not open or drain valve itself failure, and filter barrels and circulating water pipe between the leakage;
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:What's the reason for high water content in filtration copper concentrate?
Vacuum: about -0.08MPaIf the vacuum required to consider other factors; such as the vacuum degree is not up to even only about -0.05MPa, it should be related to pipeline inspection of vacuum system leakage, vacuum pump damage, distribution valve failure, ceramic plate breakage, ceramic plate connecting pipe leakage may cause the vacuum is not up to, to achieve early detection and early treatment.
Q:What is the backwashing pressure of the ceramic filter?
It should be said that the ceramic filter backwash, usually with a certain pressure of clean water to backwash.
Q:What is the reason that the ceramic filter does not absorb mineral powder?
There may be a fault filtrate pump, diaphragm pump damage, pump mechanical seal failure, a leak, two is no output or output to the liquid, the pressure is too low, the cleaning effect is not good, the pressure is too large, will cause damage and reduce the concentration of slurry filter plate.
Q:Why should filter core be used in backwash of ceramic filter?
The filter in the water filter of ceramic filter is used for filtering water.
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.

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