Metal filtering core and production thereof
A technology of metal filter elements and manufacturing methods, applied in separation methods, chemical instruments and methods, and dispersed particle filtration, etc., can solve problems such as poor resistance to shock and vibration, inability to increase the ratio, anisotropy of physical parameters, etc., and achieve effective The effect of interception
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[0028] As shown in Figures 1 to 4, a metal filter element according to the present invention includes:
[0029] A group of filter element units folded, welded and compacted by multi-layer porous metal strips 1 and metal strips 2 packaged on both ends of the filter element group in the direction of the vertical welding seam, wherein the surfaces of two adjacent layers of porous metal strips 1 are respectively pressed There are columnar support channels 12 that are mutually misaligned and can support each other, and the space formed by two adjacent columnar support channels 12 between adjacent two porous metal strips 1 can capture and remove the exhaust gas contained in diesel engines. Exhaust gas filter channel 11 for black smoke particles.
[0030] The manufacture method of metal filter element of the present invention, comprises the following steps:
[0031] Step 1, the metal powder, binder and wire mesh are coated, sintered, and rolled to make a porous metal strip 1; at thi...
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