Underwater construction waste metal screening device

Abstract

The invention discloses an underwater construction waste metal screening device which comprises a metal screening barrel. A cylindrical magnet is arranged on the inner side face of the metal screening barrel, the interior of the cylindrical magnet is hollow, and the cylindrical magnet and the metal screening barrel are coaxially arranged. A main shaft is further arranged along the axis of the metal screening barrel, the main shaft can rotate around the axis of the main shaft, the main shaft is sleeved with a hollow shaft, the main shaft is used for driving the hollow shaft to rotate, the hollow shaft can move in the length direction of the main shaft, and a plurality of blades are arranged on the outer side face of the hollow shaft; the bottom of the hollow shaft is fixedly sleeved with an annular scraping piece device, in the process that the annular scraping piece device moves upwards from the bottom of the metal screening barrel, the annular scraping piece device enters the cylindrical magnet from the cylindrical magnet, and the circumferential end of the annular scraping piece device is used for scraping metal attracted to the cylindrical magnet. By adopting the scheme, the metal can be quickly discharged under the action of the annular scraper device, so that the metal recovery efficiency is further improved.

Description

technical field [0001] The invention relates to the technical field of construction waste recycling, in particular to an underwater construction waste metal screening device. Background technique [0002] An underwater building is a building built underwater, which refers to a building constructed of steel or reinforced concrete that is submerged or standing in the water. It can be an independent building or an underwater part of a building or an underwater foundation. In the existing life, the buildings in the water will inevitably be scoured by the water flow, and even collapse or rupture in severe cases, and the old buildings that have been built for a long time will also be abandoned; the above two methods will cause building waste. It is placed on the bottom of the water, and because the building is made of steel or reinforced concrete, it contains harmful substances such as metals. If it remains on the bottom of the water for a long time, it will form construction wast...

AI Technical Summary

Problems solved by technology

In the existing life, the buildings in the water will inevitably be washed by the water flow, and even collapse or rupture in severe cases, and the old buildings with a long construction time will also be abandoned; the above two methods will waste the building waste Placed at the bottom of the water, and because the building is made of steel or reinforced concrete, which contains metals and other harmful substances, it will form construction waste if left at the bottom of the water for a long time, causing great pollution to the water environment

[0003] In the prior art, there are many construction waste recovery devices, which screen and classify the recovered construction waste, and reuse them, especially the metal materials in the construction waste , and its reuse value is high; however, for the construction waste recovery devices in the prior art, especially for metal recovery, the recovery efficiency is often low and the process is relatively complicated

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