Technical requirements for cartridges in cartridge dust collectors

Cartridge dust collector cartridge technical requirements, the purifier uses high-efficiency filter cartridges as the filter element, the filter cartridge selection of the filter material is different from the general traditional filter material, which has a layer of polytetrafluoroethylene film attached to its surface. Traditional filter materials (such as cotton, cotton satin, paper and other traditional cellulose, etc.) fibre gap of 5 to 60 um, when the soot passes through, part of the dust particles in the soot will enter the interior of the filter material and block the filter element; when the blocking situation gradually deteriorates and can not be effectively cleaned, the filter element of the air resistance will rise, can pass through the air flow will also decline. If there is no automatic cleaning, the filtration effect will decline rapidly, but the series of purifiers used in the surface of the filter material with a layer of PTFE film, its very small pores can block most of the sub-micron dust particles; sub-micron dust particles in the surface of the filter material and the formation of permeable dust cake, most of the dust particles are blocked in the outer surface of the filter material and can not enter the filter material, in the compressed air blowing can be timely and effective to be cleared.

The filter media has a fairly high filtration efficiency, compared with the traditional filter media at least 3 to 5 times more than the ≥ 0.1μm dust filtration efficiency ≥ 99.99%; and service life compared with the traditional filter media more than 2 times. The filter element is made of PTFE laminated filter material, which is a new type of filter element for capturing soot and dust, and its filtration effect can leave a deep impression even in a particularly harsh environment. The PTFE membrane filter element achieves high filtration efficiencies for non-binding dusts. The filter elements maintain a constant filtration capacity even at ambient temperatures below the dew point. The high mechanical stability of the material ensures a long service life of the filter elements. The structural design of the filters ensures that they are compatible with existing filtration systems. pTFE membrane filter media offer the advantages of membrane filtration and rigid body filtration. The small size and large filter area of the robust rigid body allow for high operating pressures and a very long service life. The self-cleaning principle of the filter cartridges is achieved by a pulse blowing mechanism: after a certain period of operation, fine soot is adsorbed on the surface of the filter media, which reduces the permeability of the filter media. Every certain time the pulse generator sends out a signal to start the pulse blowing valve in sequence, clean compressed air is sprayed out from the valve port, and the induced airflow blows to the filter cartridge; the dust adsorbed on the surface of the filter material is removed under the action of the airflow, and falls into the dust collection hopper in the lower part of the chamber. Pulse blowing requires clean compressed air of 0.4-0.6MPa, and a continuous and constant air supply must be maintained during operation.