Zirconia ceramic foam filter for stainless steel manufacturer

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Tianjin
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TT OR LC
Min Order Qty:
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: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: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: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:The ceramic filter suddenly did not smoke, and later he was all right. What's the reason?
The size of ceramic filter is generally on both sides of the vacuum tank, such as 50 square meters with 5 square meters of ceramic filter / ring ceramic filter plate combination (possible), there are 10 discs, the ceramic plate left a vacuum tank on the left of the 5 disc for filtration, vacuum filtration tank for the ceramic plate on the right right of the 5 disc. If a vacuum system temporarily fails, it may cause poor suction, no suction, and a normal operation at the other end.
Q:Ceramic filter ceramic plate blockage, productivity reduction, how to clean, to achieve the best effect cleaning problems
Equipment comes with cleaning:Ceramic filter comes with a combined cleaning system, usually to ensure the normal backwash water pressure, combined cleaning (nitric acid + ultrasonic + backwash) time is sufficient, sufficient amount of nitric acid.
Q:Common troubles of ceramic filter
The metering pump is not working properly and backwash water into the bucket of acid. The main reason is that the metering pump is not switched on, the diaphragm is worn out, the frequency is too low, and the check valve of the acid pipe and backwash pipe is worn out.
Q:What filter material are placed in the aquarium filter?
Generally let off the filter cotton and ceramic rings, there are biochemical balls, coral bone, stone, activated carbon and so onConditional: filter cotton, ceramic ring, biochemical ball, coral bone, stone, activated carbon
Q:What is the backwashing pressure of the ceramic filter?
Ceramic filter is a kind of solid-liquid separation, dehydration drying equipment, such as dehydration pulp, mortar. The backwash of ceramic filter is to flush the filter medium (ceramic filter plate) with clean water with a certain pressure.
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 vacuum degree of the ceramic filter is normal and the cake water is large
There is a difference between the vacuum display and the actual vacuumThe main speed of the ceramic filter is too fastThe water content of the filter cake is gradually increased within 0~8 hours after the equipment has been continuously turned onThe ceramic filter plate does not meet the aperture range and the opening rate is lowThe ceramic filter plate has a near life and serious blockageCeramic filter cleaning standards (acid, ultrasonic, backwash water)The scraper can not be completely discharged, and the surface of the ceramic plate is coated with a thin filter cakeFailure to manufacture equipment or other causes of failure

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