Method for producing light-weight energy-saving brick for buildings from municipal sludge
A technology of urban sludge and energy-saving bricks, which is applied in the production, application, and household appliances of ceramic materials, can solve the problems of high cost, high energy consumption, and not being effectively promoted, and achieves simple methods, energy saving, and strong solution The effect that cannot be compatible with thermal insulation performance
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[0016] A method for producing building lightweight energy-saving bricks by using urban sludge, comprising the following steps:
[0017] (1) Add urban sludge with a moisture content of more than 80% to quicklime equivalent to 40% of the sludge weight and 10% construction masonry waste powder, mix and stir evenly, and age for 7-10 days to make the moisture content ≤60%;
[0018] (2) Send municipal sludge with a moisture content of ≤60% into the agitator through a conveyor belt, and at the same time add straw-coated particles, fly ash, clay, phosphate slag, ceramsite, and modified seafoam to the agitator Stone, volcanic rock, zeolite, and coconut shell charcoal were stirred evenly at a speed of 180r / min to form a mixed sludge. The weight parts (kg) of each raw material were as follows: 65 parts of municipal sludge, 8 parts of straw-coated particles, and 5 parts of powder Coal ash, 8 parts of attapulgite, 5 parts of phosphate slag, 10 parts of ceramsite, 4 parts of mo...
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