Zirconia ceramic foam filter for filtration

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Tianjin
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1 pc
Supply Capability:
10000000 pc/month

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Product Description:



Specifications


1. dia. 50*22mm-20ppi 

2. material: zirconia 

3. color: yellow 

4. tolerance: +/- 2mm 

5. working temperature: 1700 C 


Ceramic Foam Filters

Zirconia for Steel Foundries

 

 

Characteristics

 

Ceramic Foam Filters are designed for the filtration of molten steel, alloy steel, and especially for high quality steel alloys casting temperature up to 1700 °C , which have high porosity (76%-82%), high thremal shock resistance and large specific surface.

 

 

 

Advantages

 

Ceramic foam filters help to enhanced quality of castings and reduce cost.

 

l  Special 3D structure to reduce turbulence of flowing molten metal.

l  Reduce defective rate of castings.

l  Improved mechanical properties of castings.

 

l  Improved precision of dimensions and shapes of castings.

 

l  Reduced costs of machining operations.

 

l  Simplify pouring systems and increase utilization ratio of mold.

 


 

Specifications

 

Materials

Zirconia

Working Temp.(°C)

≤1700

Color

Yellow

Pore Size(PPI)

10

Porosity(%)

76~82

Compression Strength(MPa)

≥2.5

Bulk Density(g/cm3)

0.7~1.1

Thermal Shock Resistance

Excellent

Application

Carbon steel low alloy steel

 

Note: Special size and 10-20 pore size (PPI) can be custom made.

 

 

 

Selection

1) Pore size is based on casting material and casting weight, regularly 10ppi and 20ppi for steel casting filtration.

2) Filter size is decided by the sculpt, fusion and the characteristic of ceramic foam filter.

Package

The filters are packed in carboard box and pallet protecting them from damage.

Box size: 54x36x28cm.

Pallet size: 1.1x1.1x1.9m.

36 boxes per pallet, 10 pallet per 20’’ container, 20 pallets per 40’’container.

Notice of Application

1. In order to reduce the impact of hot molten metal to filters, pouring bowl shall put down as low as possible from filters.

2. It is recommended to use compressed air to blow dust off from filter before usage.

3. Ceramic foam filters should be stored in dry place to avoid moisture.


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Q:What are the reasons for the program alarm of ceramic filter?
The vacuum failure may be the vacuum pump failure, the vacuum pipeline leakage, the ceramic filter plate rupture or the connection water leakage, the backwash system is generally before the filtration water pressure is insufficient, the filter core plug and so on. Vacuum suction deficiency will lead to poor effect or even suction; cleaning standards will accelerate the ceramic filter clogging, ceramic filter clogging even if the vacuum suction is normal, will not even bad effect such as cake, jelly thin with high water content. Ceramic filter plate, hole plugging, discarding. Ceramic filter plate is life, under normal circumstances is about a year, such as pulp mud content, fine particle size or containing ingredients, cleaning is not easy to precipitate standards will reduce its life, when the ceramic filter plate close to the scrap, the suction effect will be worse. I hope my answer can help you.
Q:Ceramic filter ceramic plate blockage, productivity reduction, how to clean, to achieve the best effect cleaning problems
Oxalic acid immersion: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.
Q:What happens when the pressure on the filter plate is uneven during backwashing?
The working process of ceramic filter is: suction - drying - unloading - backwash - suction - drying - unloading - backwash...... In circulation, suction, the drying process is to make the slurry liquid by vacuum suction and capillary effect (usually water) through the filter media from the left, the filter cake on the filter medium (the two processes like device, through the pump) scraper discharge, discharge will complete a ceramic filter in the absorption cycle, slurry, drying process, some fine particles may enter the filter medium or stacked on the surface (a lot of pipeline internal filtration medium ceramic filter plate), these small particles will cause blockage of filter media lose permeability so that the filtering effect of variation, in order to reduce the possibility of blockage, ceramic filter will enter the backwash (this process is like a water jet device). Ceramic filter backwash is through the pressure of water, these small particles plug discharge ceramic filter board.
Q:Why does not the iron filter of the ceramic filter work?
The ore condition has changed, such as high concentration of material, fine grain size and increase of mud content.
Q:What is the reason that the ceramic filter does not absorb mineral powder?
The recoil pressure is regulated by the pump loop valve and the pressure regulating valve. In order to avoid frequent fluctuations in pressure and pressure within a short period of time, a buffer cylinder with a stabilizing effect is provided in the backwash pipe.
Q:The ceramic filter plate is broken. What will happen to the vacuum pump?
At this time, take the filtrate (this is not the first water slurry) will pollute the ceramic filter pipe, friction ring, filtrate pump, may damage the vacuum system, remaining in the pipeline in the pulp will recoil pressure under the action of pollution caused by the other ceramic plates, ceramic plates blocked him. Once the ceramic plate is broken (depending on the severity), it will make the vacuum distortion, resulting in ceramic filter suction effect worse or even no suction!
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.
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:What are the causes of the powder moisture in the ceramic filter?
Generally, the ceramic filter is used to filter iron powder, and the water content of the filter cake is about 10%.
Q:Ceramic filter suddenly do not smoke, a little later on their own good, what reason?
How old the general ceramic filter suction main reason mud cake thickness is not much of a ceramic filter plate is different, because the ceramic filter backwash water, vacuum suction and nitrate are through the distribution valve, are often the same boat". See your description, you do not know the 5 line is about "5 disc or sideways 5 rows of ceramic plates, that is completely not suction or suction effect

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