Classification method for waste concrete block treatment
A technology of waste concrete blocks and classification methods, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problem of limiting the use range of recycled aggregates, reducing the practicability of recycled aggregates, and poor quality of recycled aggregates and other issues, to achieve the effect of protecting the original quality, improving the use value and protecting the environment
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[0026] The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.
[0027] The present invention provides a technical solution: a classification method for the treatment of waste concrete blocks, including the following steps:
[0028] S1. Pretreatment: pretreatment of the discarded concrete blocks, and air-drying the pretreated concrete blocks.
[0029] S2. Removal of impurities: load the pretreated concrete block into the crusher for primary crushing and secondary crushing. During the crushing process, remove the steel and glass debris.
[0030] S3. Aggregate strengthening:
[0031] a. When crushing air-dried waste concrete blocks, microwave the waste concrete blocks in advance, the irradiation height is 1-1.5m, and the irradiation time is 3-6h.
[0032] b. After microwave irradiation, crush the treated waste concrete block. After the primary crushing and secondary crushing, the crushed aggregate is immersed in a dry coolin...
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