Waste gas and smoke dust recovery device for laser cladding of heat exchange equipment

By designing a laser cladded exhaust gas smoke recovery device including exhaust gas recovery sleeve, fan assembly, filter assembly and air collection box, the problems of exhaust gas, smoke and protection of the air pollution during laser cladding are solved, and the recycling of waste gas and the improvement of cladding efficiency are achieved.

CN222677626UActive Publication Date: 2025-03-28SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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Patent Information

Application Number
CN202421394693.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-28
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The waste gas, smoke and protection air generated during laser cladding pollute the environment and cause harm to the operators, resulting in reduced visibility and low cladding efficiency.

Method used

A waste gas smoke recovery device including an exhaust gas recovery sleeve, a fan assembly, a filter assembly and a gas collector is designed. The exhaust gas is absorbed through the horn-shaped air inlet and a waste gas smoke conduit, and filtered and collected using a negative pressure fan and a filtering assembly, and finally the purified gas is collected into the gas collector.

Benefits of technology

It effectively reduces environmental pollution and damage to the human body, improves cladding efficiency and operation visibility, realizes the recycling of waste gas, and saves material costs.

✦ Generated by Eureka AI based on patent content.
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Abstract

The embodiment of the utility model provides a waste gas and smoke dust recovery device for laser cladding of heat exchange equipment, which relates to the field of laser cladding waste gas and smoke dust recovery and comprises a waste gas recovery sleeve, a fan assembly, a filter assembly and a gas collection tank, a trumpet-shaped air inlet is formed in the waste gas recovery sleeve, and a waste gas smoke dust guide pipe is arranged in the waste gas recovery sleeve; one end of the waste gas and smoke dust guide pipe is communicated with the horn-shaped air inlet, and the other end of the waste gas and smoke dust guide pipe is communicated with an air inlet of the fan assembly; the fan assembly is communicated with the filtering assembly; and the filter assembly is communicated with the gas collection tank. The device solves the problems that in the laser cladding process, smoke dust pollutes the environment, waste gas smoke dust causes harm to the health of operators in the working condition environment, smoke dust pollutes a molten pool, and the laser cladding efficiency is low due to poor visibility of a cladding area.
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