首个高压输气管道余压发电项目投运

Core Insights - The National Pipeline Group's Haimen Station natural gas pressure recovery power generation project has officially commenced operations in Nantong, Jiangsu, marking China's first high-pressure natural gas long-distance pipeline pressure recovery power generation project, which signifies a breakthrough in the comprehensive utilization of energy in long-distance pipelines [1][2] Group 1 - The natural gas pressure recovery power generation is a green and low-carbon technology that converts pressure potential energy from the natural gas pipeline into mechanical energy, ultimately generating clean electricity without consuming natural gas or harming the environment [1] - The project is expected to generate approximately 3 million kilowatt-hours of electricity annually, equivalent to reducing carbon dioxide emissions by over 2,000 tons [1] Group 2 - The project utilizes domestically developed core equipment and innovative adjustable flow technology along with 3D-printed impellers, significantly reducing equipment energy consumption while addressing multiple technical challenges such as high pressure and low flow [2] - The new equipment operates in parallel with the existing pressure regulation system, ensuring a reliable gas supply for residents and businesses even if the power generation equipment is offline [2] - Future plans include gradually promoting megawatt-level domestically produced pressure recovery power generation equipment in typical distribution stations across the Yangtze River Delta region [2] - The total installed capacity of high-pressure natural gas long-distance pipeline pressure recovery power generation projects in China could reach 42,000 kilowatts under the natural gas self-reheating scheme [2]