High Silica Ceramic Fiberglass Casting Filter Plate

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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.

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: What filter material are placed in the aquarium filter?: Submerged in water. Submersible pumps and filter cotton (often replaced by sponge) installed in one, and some brands will also be installed heaters, which become multi-purpose fish farming equipment. When working, the water is absorbed into the filter in many directions, and the filtered water is returned to the water tank by other means. This filter because of its low price and popular beginners of all ages, but the effects from the use of view, only suitable for small fish density, on the flow and filtration requirements are not high, a small aquarium, "fish" will be built in filter (especially the heating function of the filter for seedling and foster) water tank. The effect is very good. The biggest disadvantage of this device is that when it stops working, a lot of dirt stuck to the filter runs back into the water.

Q: Is the filter plate of the ceramic filter afraid of freezing?: The filter plate of ceramic filter is afraid of frost and should be protected.

Q: What are the poor filtration effects of vacuum disc filters?: The spindle speed is slow, the formation time of growth in the area of vacuum filter cake, production capacity increased gradually, but because the unit time of grout thickness and spindle speed slow is proportional to, so the ceramic filter capacity in a range of showing the highest.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.

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: Ceramic filter in vacuum pressure enough, the ceramic plate does not suck pulp, what is the reason for analysis?: Generally, the vacuum degree of ceramic filter is about -0.08MPa. Sufficient vacuum pressure is only a prerequisite for a good ceramic suction effect. Besides vacuum, the other factors may affect the suction effect:Vacuum display table fault, the difference between the display value and the actual data is great.

Q: What's the reason for high water content in filtration copper concentrate?: Ceramic filter plate1) the service life of the ceramic filter plate has arrived.2), ceramic filter plate uneven in quality on the market, the production capacity of some ceramic products difference (table mask size is too large or pore size uniformity is poor as a result of suction effect is poor, short life), but the price is low, but some users in order to reduce the operation cost of ceramic machine, tend to choose low price the ceramic plate, sometimes a ceramic machine ceramic filter plate with several may be different, so do not get the expected effect in normal use.In addition, the concentrator slurry, especially metal slurry, is very powerful on the wear of ceramic filter plate, the mechanical strength and wear resistance of ceramic filter plate requirements (corundum has high mechanical strength, good abrasion resistance, especially suitable for metal slurry dehydration).When selecting ceramic filter boards, these two points should be taken as a reference.

Q: The vacuum degree of the ceramic filter is normal and the cake water is large: The concentration, particle size and mud content of the raw materials are not suitable for or due to changes, which are no longer suitable for dehydration using ceramic filters

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 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.

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