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The invention provides a composite ceramic filter material for high temperature flue gas dust removal, wherein the filter material is prepared by the following method: provide corn stalk raw material and silicon powder, crush the corn stalk raw material and pyrolyze the crushed corn stalk raw material to obtain carbonized corn stalks; spread silicon powders on the corn stalk raw material to obtain mixed powder; perform first high-temperature heat treatment on the mixed powder to obtain silicon carbide powder; add silicon carbide powder into ethanol; add PVB to the ethanol suspension of silicon carbide to obtain a dispersion solution of silicon carbide; perform surface treatment on the aluminum alloy base material; porous silicon carbide film is formed on the surface of the surface treated aluminum alloy by air spraying technology; perform pre-sintering on the porous silicon carbide film; perform sintering on the pre-sintered porous silicon carbide film.
The invention provides a composite ceramic filter material for high temperature flue gas dust removal, wherein the filter material is prepared by the following method: provide corn stalk raw material and silicon powder, crush the corn stalk raw material and pyrolyze the crushed corn stalk raw material to obtain carbonized corn stalks; spread silicon powders on the corn stalk raw material to obtain mixed powder; perform first high-temperature heat treatment on the mixed powder to obtain silicon carbide powder; add silicon carbide powder into ethanol; add PVB to the ethanol suspension of silicon carbide to obtain a dispersion solution of silicon carbide; perform surface treatment on the aluminum alloy base material; porous silicon carbide film is formed on the surface of the surface treated aluminum alloy by air spraying technology; perform pre-sintering on the porous silicon carbide film; perform sintering on the pre-sintered porous silicon carbide film.
Europäisches Patentamt | 2022
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Europäisches Patentamt | 2021
|Engineering Index Backfile | 1930
|Europäisches Patentamt | 2021
|Preparation method of porous ceramic material for filtering high-temperature flue gas
Europäisches Patentamt | 2021
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