Automatic crushing device for construction waste materials

Abstract

The invention discloses an automatic crushing device for construction waste materials, belongs to the technical field of construction material production, and solves the problem that the efficiency of conventional crushing of the construction waste materials is low. The automatic crushing device for the construction waste materials comprises a feeding hopper, a crushing machine, a screening rack and a screening cylinder, wherein the screening rack is provided with a discharging chute; the screening cylinder is arranged on the screening rack; the discharging chute is arranged below the screening cylinder in an inclined manner; a conveying belt I inclined upwards is arranged under the feeding hopper; the discharging end of the conveying belt I is positioned above the feeding inlet of the crushing machine; a conveying belt II inclined upwards is arranged below the discharging outlet of the crushing machine; the screening cylinder is arranged horizontally; one end of the screening cylinder is connected with the discharging end of the conveying belt II, and the other end of the screening cylinder is connected with a dropping chute inclined downwards; a conveying belt III is arranged below the dropping chute; the discharging end of the conveying belt III is positioned above the feeding inlet of the crushing machine. The automatic crushing device can crush the construction waste materials, and can automatically re-crush and re-screen waste materials of which the granule size is larger until the granule size meets the crushing requirement, and then, the materials are discharged.

Description

technical field [0001] The invention belongs to the technical field of building material production, and relates to an automatic crushing device for construction waste materials. Background technique [0002] In the existing technical field of building materials production, the production of building materials, especially the production of concrete blocks, is likely to cause damage to the blocks due to bumps during molding, maintenance and handling. Such blocks can no longer be used for masonry, but are discarded directly. It will not only pollute the environment, but also increase the production cost. Therefore, the conventional treatment method is to break the block waste into powder or small particles and then reprocess it as a raw material. For example, Japanese Patent Publication No. 6-30755 discloses a method and device for recycling concrete fragments, which is a method for crushing and grading disintegrated concrete pieces of buildings, civil structural parts, concre...

AI Technical Summary

Problems solved by technology

It is crushed and separated by rotating the drum, and the aggregates produced are of different sizes, that is, automatic screening cannot be realized, and its effectiveness is low

At the same time, problems such as dust, dust and sand flying during the process of crushing, stacking and transshipment of waste materials will also cause serious environmental pollution.

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