High silica fiberglass casting filter

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Product Description:

High silica fiberglass casting filter

high silica mesh casting filter can effectively remove slag,refractory particles and non-metallic inclusions from molten metals.It is developed as a low cost but with rather filtration efficiency
alternative to ceramic filters.Made from specially treated silica yarns,silica mesh filters are capable of
withstanding pouring temperatures up to 1620 Degree C.Silica mesh filters are ideal for in-mold filtration of gray, malleable,white,compacted graphite and ductile cast irons, as well as non-ferrous
aluminum and copper-based metal alloys and many types of small scale steel casting filtration.

ADVANTAGES:

• Low cost and easy to use

• Improves fluidity and metal distribution

• Removes micron sized inclusions and impurities

• Can be used with existing pattern equipment

• Eliminates inclusions created by ceramic chips

APPLICATIONS:

• Cut pieces for in mold filtration like sand casting,gravity casting,etc.

• Cut pieces for riser sleeves,bottom or across ports in walls

• Cut pieces to provide a weakened plane for riser knock-off

• Cup shapes for investment casting

SPECIFICATION:

Model No.

SiO2%

Thickness

Mesh size

Max.Temp.

Open area

Max.work time

HSFG-15

≥96

0.35mm

1.5x1.5mm

1450℃

55%

10minutes

HSFG-20

≥96

0.35mm

2.0x2.0mm

1450℃

60%

10minutes

HSFG-25

≥96

0.35mm

2.5x2.5mm

1450℃

70%

10minutes

HSFG-S15

≥96

0.98mm

1.5x1.5mm

1620℃

22%

15seconds

HSFG-S20

≥96

0.98mm

2.0x2.0mm

1620℃

26%

15seconds

HSFG-S25

≥96

0.98mm

2.5x2.5mm

1620℃

32%

15seconds

FILTERING TIPS:

• Copper alloys&leaded bronze:1.5x1.5mm mesh

• Gray Iron:1.5x1.5mm mesh

• Ductile Iron:2.0x2.0mm &2.5x2.5mm mesh

• Small scale steel:1.5x1.5mm mesh

PLACEMENT POSITION:

*Cut pieces can be rectangular or round,size from 20mm to 900mm.

*Preformed cup filter OD can be 100/110/115/120mm or as per request.


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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:What about the leakage of the ceramic filter static and dynamic sealing points?
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. Other questions about ceramic filter, welcome to chat with me or look at my head
Q:The vacuum of ceramic filter is not enough
Maybe the vacuum meter is broken. It doesn't show or show the data is different from the actual data.It could be the source of the vacuum, the vacuum pump failure.Pipeline leakage: vacuum system connecting pipes (metal pipes or rubber pipes) corrosion, aging and water leakage.Distributor head leakage: wear or poor sealing.Leakage of ceramic plate: rupture of ceramic plate.Other reasons.
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:Is the filter plate of the ceramic filter afraid of freezing?
In addition, the temperature is one of the factors affecting the filter suction effect of ceramic filter. The lower the temperature, the worse the suction effect.Therefore, the ceramic filter plate, especially the ceramic filter plate after use, should be protected under low temperature environment.
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:How can I avoid the backwash pressure in the production of ceramic filter?
Recoil of the ceramic filter is on the clean water under certain pressure, from the inside out flushing blockage blockage in the ceramic filter plate on the internal pore water pressure, the recoil is generally less than 0.12MPa, the pressure is too small or no recoil recoil effect is not good.
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:Excuse me, what's the reason that all ceramic filters do not attract ore?
Whether the ore conditions are changed, such as pulp type, mud content, fineness, concentration, etc..
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.

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