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What is the wire mesh sintered filter element? The main difference between wire mesh sintered filter element and other filter elements is the use of a large number of high-precision welding process. The stainless steel sintered metal mesh is welded after being rolled round. Roundness should be guaranteed during welding, and the weld should be repaired after welding, so as to make the overall look beautiful and prepare for the next overall welding. Then, the sintering net is welded on both ends of the cover by stainless steel wire. During the welding process, the sintering net can not be burned to prevent local burning and thus the filter element can not filter. Therefore, the welding environment must be protected by argon gas during the welding process. All of the above welding process must have welding tooling and special welding equipment, the welding technical requirements of workers are also relatively strict, in case of leakage in the pressure range of the bubble experiment after welding, all the filter elements are scrapped. This kind of filter material of production process is complex, expensive, but the use effect is good, and can be used repeatedly, thus accounting up price is not high, mainly is the specifications of the filter, we often do, tooling and welding equipment, skilled workers, the price is so low, if non standard models, we also need to open new mould, so the cost will be higher.
Next to you a brief introduction of some classification of filter: filter separating solid particles in liquid or gas, or make a good contact with different material composition, to speed up the reaction time, can the normal work of the protection device and the air is clean, when the fluid is placed into a certain size of filter cartridge, the impurity is blocked, and clean flow through the filter out. The liquid filter element makes the liquid (including oil, water, etc.) clean the polluted liquid to the state of production and life, that is, to make the liquid to a certain degree of cleanliness. The air filter element makes the polluted air clean to the state required for production and life, that is, to make the air reach a certain cleanliness. Material of filter element Paper filter element chemical fiber filter element: glass fiber metal fiber sintered felt polypropylene fiber polyester fiber mesh filter element: stainless steel network cable gap filter element is installed in the filter equipment, used for separating substances, according to the material, the use is divided into many kinds. Metal filter element, activated carbon filter element, air filter element, etc. Sintered mesh filter core: it is a new type of filter material with high strength and overall rigidity, which is made of multilayer metal sintered mesh, using multilayer stainless steel mesh after special laminated pressing, through vacuum sintering. Metal sintered filter element uses metal as raw material without adding adhesive. After forming by cold isostatic pressing, it is made by vacuum sintering at high temperature. By selecting metal powder particle size and process parameters, the pore size and distribution of the components can be adjusted. Using the characteristics of pore structure, material composition and compressive strength of different filtration materials, we develop filtration products that are finally suitable for users. Characteristics of metal sintered filter element: 1) high strength: five layers of screen sintered, with high mechanical strength and compressive strength; 2) High precision: uniform surface filtration performance can be played for filtration particle size of 2-200um; 3) Heat resistance: can be durable from -200 degrees up to 650 degrees of continuous filtration; 4) Cleaning: surface filtering structure with countercurrent cleaning effect, simple cleaning. Use of metal sintered filter element: 1) Used as dispersed cooling material in high temperature environment; 2) For gas distribution, liquid bed hole plate material; 3) Used for high precision, high reliable high temperature filter material; 4) For high pressure backwash oil filter. Rust steel sintered filter element can not only be used as the filter medium of basket filter, net filter and other filtering equipment, but also because the stainless steel sintered filter element has many excellent properties such as high filtration accuracy, high temperature resistance, corrosion resistance, high mechanical strength and easy processing, long service life, etc. Therefore, it is more and more applied to the separation of products and process media in the petroleum and petrochemical industry. How to classify sintered filter elements and the working principle of sintered filter elements 1. According to the material, there are metal sintered filter elements and non-metal sintered filter elements. The metal sintered filter is mainly made of stainless steel series sintered mesh filter and sintered felt filter. There are special metal made of titanium rod sintered filter element, monel sintered filter element. Non-metallic sintered filter element has activated carbon sintered filter element with activated carbon as material; Powder sintered filter element with metal powder as material, copper powder sintered filter element; PE sintered filter element with polymer as material. 2. According to the function, there are surface filter sintered filter element and depth filter sintered filter element. The sintered mesh filter element is the surface filter sintered filter element. Generally, surface filtration types are sintered filter elements made of sintered mesh, because the sintered mesh is surface filtration. The sintered filter elements such as powder sintering, sintered felt and other fibers, particles and particles as materials are deep-filtration sintered filter elements. Such as copper powder sintered filter element, activated carbon sintered filter element, sintered felt filter element. Sintering literally means that a metal substance is recondensed into a high purity metal substance after combustion and calcination. As we all know, there is no pure metal in nature, but a combination of many elements. For example, iron, which is important in industry, exists in nature in the form of Fe3O4 and Fe2O3. With the advent of the industrial age and rapid development, the rich ore can be directly smelted less and less, people have to collect lean ore, and these lean ore directly into the blast furnace smelting is very uneconomical and cost-effective. Therefore, the lean ore is broken and ground to select suitable ore. The grade of the ground ore powder is improved and then put into the sintering furnace to form sinter or pellet. That is to say, sintering is the process of purification, so that the poor ore does not conform to the production of rich ore.