国家能源集团平庄煤业元露天矿禹长征：走好脚下“长征”路

Core Viewpoint - The article highlights the achievements and contributions of Yu Changzheng, a model worker in the coal mining industry, emphasizing his dedication to innovation and skill development over 32 years of service [3][12]. Group 1: Achievements and Recognition - Yu Changzheng has been recognized as a national labor model and has received multiple awards, including the National May Day Labor Medal and the title of National Technical Expert [3][12]. - He has published two papers in national industry magazines and led the completion of three patent achievements, solving numerous production technical challenges and generating over 10 million yuan in innovation benefits [3][12]. Group 2: Technical Innovations - Yu developed a segmented monitoring solution for a coal conveyor belt system, which reduced damage risk by 80% and cut annual maintenance costs by over 500,000 yuan, maintaining a "zero non-stop" record for five consecutive years [6][12]. - His modifications to a vacuum contactor auxiliary switch saved over 10 million kWh of electricity annually, directly generating over 8 million yuan in economic benefits [11][12]. Group 3: Skill Development and Mentorship - Yu established an innovation studio to share his technical knowledge and experience with colleagues, fostering a culture of learning and innovation within the team [13][15]. - Under his mentorship, 22 members of the electrical maintenance team have significantly improved their skills, with several achieving advanced technician certifications and excelling in skills competitions [15]. Group 4: Commitment to Industry Development - Yu remains committed to the coal industry's sustainable development, focusing on green, low-carbon, safe, and efficient practices as part of the company's transformation efforts [15].