Popularize the application of wear-resistant cladding technology in the mining industry


Release time:

2021-05-08

Popularize the application of wear-resistant surfacing technology in the mining industry China's mining industry is one of the leading industries of China's economy, in addition to the production and manufacture of electric energy also consumes a lot of resources. How to improve resource utilization, increase the service life of machinery and equipment, report machinery and equipment reuse, is the media mining industry in a timely manner to improve economic efficiency, improve the social and economic benefits of the important level. As the media mining industry equipment in the mine work, its working environment is more extreme

Popularize the application of wear-resistant surfacing technology in the mining industry

  China's mining industry is one of the leading industries of China's economy, in addition to the production and manufacture of electric energy also consumes a lot of resources. How to improve resource utilization, increase the service life of machinery and equipment, report machinery and equipment reuse, is the media mining industry in a timely manner to improve economic efficiency, improve the social and economic benefits of the important level. Due to the media mining industrial equipment in the mine work, its working environment is more extreme, but also often occurs in the mechanical equipment common failure, check the narrow space within the work room, many of these components can not be decomposed and repaired in the mine, invariably improve the difficulty factor of the inspection of the industrial equipment, media mining round Therefore, the use of low-temperature plasma wear-resistant cladding reproduction technology in the media mining industry, to improve the characteristics of the surface layer of the parts and increase the use of the Term, has a unique practical significance.

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1. Scraper conveyor center trough

The center trough is important for belt conveyors and conveyors in media mines. The intermediate troughs are subjected to abrasion from scrapers and drive chains and damage from coal grit particles throughout the application, and the unworn surface layer is very susceptible to damage from dents and ineffectiveness. Powdered low-temperature plasma wear-resistant overlay welding is an excellent technology of surface layer fusion deposition of aluminum alloy using argon low-temperature plasma arc as a high-temperature thermogenic, adding alloy powder as filler metal material, is a new type of surface layer hard bottoming method, with the following characteristics:

(1)High productivity.

(2)Good quality and process stability of the surfacing layer.

(3) Surfacing process is pollution-free and automatic, realizing mechanized and automated operation and reducing labor intensity.

The use of CNC plasma wear-resistant surfacing high-carbon and high-chromium alloy, due to the strength of the surfacing layer exceeds HRC58, the existence of a large number of chromium carbide hard phase in the surfacing layer, with excellent wear resistance, with this way of reproducing intermediate grooves than unresolved grooves in the use of the period of time increased by 3-5 times.

2.Hydraulic Pillar Plunger

Hydraulic strut is a weaponry in high demand in coal mines, as the key component of the whole equipment - hydraulic cylinder plunger pump, subject to the erosion of the natural environment and wear and tear in operation. At present, the hydraulic column repair using laser fusion processing technology, although the processing technology is better, but the mechanical equipment is expensive, maintenance is cumbersome, the operating costs continue to rise.

3. The use of powdered low-temperature plasma wear-resistant surfacing technology to strengthen the cut-off tooth wear-resistant belt is a kind of processing technology to improve the life of the cut-off tooth. The low-temperature plasma wear-resistant surfacing machine for interceptor teeth adopts integral structure, integrating the L/D ratio of all low-temperature plasma surfacing processing technology in the automatic control system, which completely completes the actual operation of foolproof and improves the efficiency of production and manufacturing.

 

 

Key words:

Wear-resistant cladding


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