en.Wedoany.com Reported - A service, technology, and quality follow-up team from Zhengzhou Coal Mining Machinery Group Co., Ltd. (hereinafter referred to as "ZMJ") recently visited Chifeng Xiangyang Coal Industry to conduct a specialized quality follow-up survey, conducting on-site verification of the operational performance of a complete equipment set for steeply inclined soft coal seams underground. The average thickness of the coal seam at Chifeng Xiangyang Coal Industry is 2.29 meters, with an inclination angle ranging from 20° to 40° and an average inclination of 30°. The coal body in this seam features developed fissures and inherently poor stability, while the floor is primarily mudstone, accompanied by frequent occurrences of faults and dirt bands. These geological conditions create mining challenges characterized by "unstable supports, difficult roof control, obstructed transport, and low mining efficiency."

The complete equipment set provided by ZMJ for Xiangyang Coal Industry covers the full chain of equipment, including hydraulic supports, armored face conveyors, stage loaders, crushers, and intelligent management and control systems. The equipment adopts a design orientation of "complete-set, customized, and intelligent," building a mining system around "equipment synergy, process adaptation, and intelligent control." Previously, when the mine faced support and transport issues in steeply inclined soft coal seams, traditional single-equipment adaptation solutions struggled to resolve process challenges such as poor operational stability and significant equipment interference.

After completing underground installation and system commissioning, this complete equipment set supported the mine in successfully completing trial mining operations. By providing an integrated equipment combination covering the entire process of extraction, transport, and support, ZMJ has enabled the mining process under complex coal seam geological conditions to receive assurance at the equipment level. It is reported that ZMJ has been continuously advancing the research and development of fully mechanized complete-set equipment technology for complex working conditions such as steeply inclined seams in recent years, and its products have application cases in multiple mines with similar geological conditions.

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