Qinhuangdao gas valve maintenance technology won the national award
Recently, the gas parallel maintenance valve oiling and maintenance technology developed by Qin Gas General Corporation has been honored with the Second National Safety Production Science and Technology Achievement Award, jointly presented by the State Administration of Work Safety and the State Administration of Coal Mine Safety. This groundbreaking technology is now at the forefront of the domestic gas industry, addressing long-standing challenges in valve maintenance and significantly enhancing the safety and reliability of gas pipeline networks.
It is well known that the gas parallel double gate valve plays a critical role in China's gas infrastructure. As a key device for cutting off the gas supply, its performance directly impacts the safe operation of the entire network and affects the lives and property of a large number of gas users. Traditionally, maintaining these valves required disassembling and overhauling them, which was labor-intensive and time-consuming. A single maintenance task often involved dozens of workers, took several hours to complete, and cost an average of 7,200 yuan. Moreover, it had to be done during gas shutdowns, causing inconvenience to end-users.
In May 2001, a team of engineers from Qin Gas General Corporation successfully developed a new oiling and maintenance method. This innovative technique involves selecting the appropriate lubricant and using an oiling system to perform maintenance without interrupting gas supply or affecting normal operations. The process only requires 3–4 personnel and can be completed in under 20 minutes. It is simple to operate, effective, and reduces the average cost to just 408 yuan per maintenance session. This not only saves significant resources but also minimizes disruption to gas consumers.
Since its implementation in May 2001, the company has carried out 193 valve maintenance operations, saving over 1.2 million yuan. The technology has since been widely adopted across the province’s gas industry, delivering substantial economic and social benefits. Its success highlights the importance of continuous innovation in improving safety, efficiency, and user satisfaction in the energy sector.
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