Method for preparing autoclaved aerated building block with high tensile strength and low shrinking by using waste spinning flax materials
An autoclaved aerated, low-shrinkage technology, which is applied in the direction of manufacturing tools, solid waste management, and climate sustainability, can solve the problems of low tensile strength and large drying shrinkage of autoclaved aerated concrete blocks, and achieves Improvement of compressive strength, improvement of splitting strength and splitting ratio, and small shrinkage value
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[0009] The method for making high splitting pressure ratio and low shrinkage value autoclaved aerated block from textile waste hemp material of the present invention is characterized in that it comprises the following production steps:
[0010] (1) The raw materials are prepared for use first, and the SiO 2 %≥45%, fineness≤25%, loss≤10% fly ash (78%--90%), bottom slag (8-20%) and SO 3 ≥35% phosphogypsum (0.2-0.5%) is mixed to make a slurry and stored in a storage tank for use; the quicklime is ball-milled to 80 μm and the sieve residue is 8%--15%, and then input into the steel bin for use; the PI42. 5. The cement is transported into the factory by bulk truck and then pumped into the steel silo for use; the ramie waste with L≤2cm, good dispersion and no agglomeration phenomenon is processed by cutting and separation and stored in the silo for use; the aluminum powder paste On-site metering in bags;
[0011] (2) The prepared fly ash, bottom slag, phosphogypsum, ramie waste, ce...
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