Composite ceramic filter element and preparation process thereof
A technology of ceramic filter element and preparation process, which is applied in the field of preparation of composite ceramic filter element to achieve the effects of controlling filtration accuracy, pressure drop, and controllable pore size
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[0019] This embodiment is a composite ceramic filter element, including a ceramic fiber woven filter element matrix, such as figure 1 As shown, the ceramic fiber woven filter element matrix layer is compounded with a chopped ceramic fiber layer to increase the toughness of the filter element, a silicon carbide coating (1) is deposited on the chopped ceramic fiber layer, and the silicon carbide coating (1) is The ceramic fiber woven filter element matrix is also compounded with a carbon transition layer (2) formed by pyrolytic phenolic resin; wherein the weight of the silicon carbide coating is 1.8 to 2 times that of the ceramic fiber woven filter element matrix, and the matrix The thickness of the silicon carbide coating is 15-20 times.
[0020] The composite ceramic filter element is a tubular filter element with a groove opening at one end (flange head) and a closed end at the other end. When the composite ceramic filter element uses external pressure, dust-containing gas ente...
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