Dec. 17, 2019
1. According to the material, there are Sintered Filter Cartridge and non-metal sintered filter element. Metal sintered filters are mainly sintered mesh filters and sintered felt filters made of stainless steel. There are also Ti Powder Sintered Filter Cartridge made of special metal, monel sintered filter element, etc. The non-metal sintered filter element includes activated carbon sintered filter element with activated carbon as the material; powder sintered filter element with copper powder as the material and copper powder sintered filter element; pe sintered filter element with the polymer as the material.
Ti Powder Sintered Filter Cartridge
2. According to the function, there are surface filter type sintered filter element and deep filter type sintered filter element. A sintered mesh filter element is a surface filter sintered filter element. Generally, the surface filtration type is a sintered filter element using a sintered mesh as a material, because the sintered mesh is a surface filter. And sintered filter elements such as powder sintered, sintered felt, and other fibers, particles, and granules are all deep filter type sintered filter elements. Such as copper powder sintered filter, activated carbon sintered filter, sintered felt filter and so on.
Literally, sintering means to condense a metal substance into a high-purity metal substance after burning and calcining. As is known to all, there is no pure metal in nature, but a compound of multiple elements. For example, industrially important iron exists in the form of Fe3O4 and Fe2O3 in nature. With the advent of the industrial era and rapid development, there are fewer and fewer rich ore that can be directly smelted, and people have to collect lean ore, and it is very uneconomical and cost-effective to directly put this poor ore into the blast furnace for smelting. Therefore, people smash and grind lean ore to select a suitable one. The grade of the ground ore powder is improved and then put into a sintering furnace to form sintered ore or pellets. In other words, sintering is a purification process, and the poor ore that does not meet the production is re-formed into a rich ore suitable for production.
Three points should be noted when selecting a sintered filter element.
1. The selection of a sintered stainless steel filter element is improper. When selecting the filter element, if the selected filter element is not suitable for the current working environment, the filter element accuracy is too high, and the working pressure exceeds its allowable working pressure, which will cause the filter element to flatten.
2. Improper installation of a sintered stainless steel filter. The installation of the filter element must be accurate and stable, and if the filter element is not placed well, the filtration work has already begun, which will cause the filter element to be damaged.
3. The sintered stainless steel filter is blocked, and it is not immediately replaced. The filter element is severely blocked by pollutants during work and is not immediately cleaned, which causes the pressure difference of the filter element to increase and the filter element's insufficient compressive strength to cause the filter element to become flat.
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