Laser cleaning device and method for oxide layers on surfaces of steel plates

Abstract

The invention relates to a laser cleaning device for oxide layers on surfaces of steel plates. The laser cleaning device comprises a bearing system, a laser, multiple spectroscopes, rust removal heads, a dust removal system, a protection system and a central control system, wherein the bearing system is used for horizontally storing the steel plates and can drive the steel plates to move in the front and back direction; the laser can emit horizontal laser beams; the spectroscopes are used for splitting the horizontal laser beams and conducting downward reflection; the rust removal heads are in one-to-one correspondence with the spectroscopes, gather reflected light and then scatter the reflected light to the surfaces of the steel plates; the dust removal system is used for collecting the removed oxide layers, and the protection system is used for introducing inert gas to the surfaces of the cleaned steel plates; the central control system is used for controlling the bearing system, the laser, the dust removal system and the protection system to work. The rust removal heads are distributed in an array in the left-right direction of the steel plates, so that the whole surfaces of the steel plates are covered with the laser light scattered by the rust removal heads in the moving process. According to the laser cleaning device, the oxide layers on the surfaces of the steel plates are gasified or stripped in an ablation discrete mode through high energy of the laser light, and a non-contact, safe and environment-friendly cleaning method is provided.

Description

technical field [0001] The invention relates to a device for removing an oxide layer on the surface of a steel plate, in particular to a device for removing the oxide layer on the surface of a steel plate by laser. At the same time, the invention also relates to a method for removing the oxide layer on the surface of the steel plate by using the laser removing device. Background technique [0002] Cold rolling is an important process in the steel industry, and the oxide layer on the surface needs to be removed before cold rolling. At present, the most commonly used method is pickling, which uses acidic chemical reagents to react with the oxide layer to complete the removal. However, the treated acidic waste liquid is difficult to handle, causing damage to the ecological environment, and the pickling process is likely to cause harm to the body of the operator. [0003] With the continuous improvement of the country's environmental protection requirements for enterprise prod...

AI Technical Summary

Problems solved by technology

However, the acid waste liquid after treatment is difficult to handle, causing damage to the ecological environment, and the pickling process is easy to cause harm to the body of the operator

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