Preparation method of recycled concrete

Abstract

The invention provides a preparation method of recycled concrete. Concrete preparation and regeneration are completed through cooperation of a mounting frame set, a dust removal device, a uniform spreading device, a screening device and a material guide cover. According to the method, the problems that dust mixed in concrete blocks is difficult to clean in the existing concrete block recycling process, and then the cohesiveness of the concrete blocks is seriously influenced can be solved; and the problems that the sizes of the concrete blocks are different, and an existing screening method difficultly treats the concrete blocks with different sizes, so that the screening effect is difficult to guarantee when a large number of concrete blocks are screened at the same time can be solved.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a method for preparing recycled concrete. Background technique [0002] Recycled concrete means that waste concrete blocks are crushed, cleaned and graded, mixed with gradation in a certain proportion, partially or completely replaced by natural aggregates (mainly coarse aggregates) such as sand and gravel, and then added with cement, water, etc. new concrete. Recycled concrete can have the following situations according to the combination of aggregates: all aggregates are recycled aggregates; coarse aggregates are recycled aggregates, fine aggregates are natural sand; coarse aggregates are natural gravel or pebbles, fine aggregates The raw materials are recycled aggregates; recycled aggregates replace part of the coarse or fine aggregates. [0003] During the processing of recycled concrete blocks, the dust in the concrete blocks needs to be dedusted to ensure...

AI Technical Summary

Problems solved by technology

[0003] During the processing of recycled concrete blocks, the dust in the concrete blocks needs to be dedusted to ensure the quality of the recycled concrete blocks. However, the dust mixed in the concrete blocks is difficult to clean during the recycling process of the current concrete blocks. , which seriously affects the cohesion of the concrete blocks; and the size of the concrete blocks is different, the current screening method is difficult to process the concrete blocks of different sizes, resulting in a large number of concrete blocks screening at the same time is difficult to ensure the screening effect

Images