Multi-stage brick-concrete separation method for construction waste

Abstract

The invention discloses a multistage brick-concrete sorting method for building wastes. The multistage brick-concrete sorting method for the building wastes comprises the following processing steps ofcarrying out primary brick-concrete sorting: using a brick-concrete sorting machine for carrying out primary brick-concrete sorting on the building wastes, and dividing the building wastes into a first material and a second material; sorting through manpower or a machine: adopting the manpower or a robot for sorting the first material so as to remove impurities in the first material; crushing: crushing the first material sorted through the manpower or the machine; screening I: screening the crushed first material; carrying out secondary brick-concrete sorting: carrying out secondary brick-concrete sorting on a coarse waste obtained through screening I, and sorting out a concrete material and a brick material; screening II: screening the second material, wherein the screen size set in thescreening II is smaller than the thickness of the brick material; and guiding the screened fine material so as to be subjected to screening I, and remaining the brick material. The multistage brick-concrete sorting method for the building wastes disclosed by the invention has an excellent effect on separating the concrete material and the brick material.

Description

technical field [0001] The invention relates to a multi-stage brick-concrete sorting method for construction waste. Background technique [0002] The resource disposal of construction waste does not set up a brick-concrete separation process. For most of the raw materials in domestic construction waste with high brick content, it is difficult to control the brick content in the finished aggregate. The brick content in the finished aggregate is too high. It is used for raw materials of products with low strength requirements, low product utilization value and narrow application range. [0003] The first-level brick-concrete separation equipment mainly uses shape and size for sorting. It is difficult for conventional roller screens and sand separators to separate the brick-concrete from construction waste. The separation effect of brick-concrete is poor, and the aggregate utilization value is not high. . [0004] The general brick-concrete separation process only separates t...

AI Technical Summary

Problems solved by technology

[0002] The resource disposal of construction waste does not set up a brick-concrete separation process. For most of the raw materials in domestic construction waste with high brick content, it is difficult to control the brick content in the finished aggregate. The brick content in the finished aggregate is too high. Used for raw materials of products with low strength requirements, low product utilization value and narrow application range

[0003] The first-level brick-concrete separation equipment mainly uses shape and size for sorting. It is difficult for conventional roller screens and sand separators to separate the brick-concrete from construction waste. The separation effect of brick-concrete is poor, and the aggregate utilization value is not high.

[0004] The general brick-concrete separation process only separates the bricks in the concrete, but it is difficult to separate the concrete mixed in the bricks, resulting in waste of resources and a decline in the overall economic value of construction waste.

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