In coal production, coal bunker blockage, bridging, and wall wear have long been persistent pain points for enterprises, affecting not only conveying efficiency but also increasing equipment maintenance costs and safety hazards. High-molecular-weight polyethylene (HMWPE) lining, with its superior performance, has become the preferred material for coal bunker protection, effectively addressing industry pain points and contributing to efficient coal production.

The core advantages of HMWPE lining in adapting to coal bunker conditions are significant. Its wear resistance is 7 times that of carbon steel, and its mortar abrasion index is only 1/7 that of carbon steel. It can resist long-term erosion by coal particles, significantly extending the service life of the coal bunker's inner wall. With a friction coefficient as low as 0.05~0.11, it does not absorb water or stick to materials, effectively solving the problem of damp coal adhering to the bunker wall and forming bridging, avoiding downtime caused by blockage. Meanwhile, it boasts strong impact resistance, maintaining high toughness even at low temperatures, capable of withstanding the impact of large coal chunks. With a density of only 0.93~0.94 g/cm³, it is lightweight, easy to cut and install, and adaptable to coal bunkers of various sizes.

As a coal bunker liner, high-molecular-weight polyethylene (HMWPE) liners reduce material conveying resistance, improve feeding efficiency, and lower noise during coal transport. According to actual application data, installing these liners in coal bunkers reduces equipment maintenance costs by over 60% and extends bunker lifespan by 5~10 times, effectively solving the two core problems of coal bunker blockage and wear.

Currently, HMWPE liners are widely used in various coal bunkers, chutes, and other coal conveying equipment, and specifications can be customized according to the size of the coal bunker.

This article was edited and compiled by Henan Jinhang Engineering Plastics Co., Ltd. (www.upeplastic.cn), with Jinhang as the editor. The company focuses on the research and development and production of HMWPE liners. Reproduction is welcome, please indicate the source.