Ke Ji Ri Bao·2026-02-03 03:08Core Viewpoint - The successful development of China's first large-scale intelligent pressure coupling equipment marks a significant breakthrough in breaking foreign technology monopolies and achieving independent control over key equipment in the field of underground coal mining [1][4]. Group 1: Technological Innovations - The equipment addresses four core technical challenges, including efficient energy conversion between high-pressure and low-pressure fluids, achieving low thermal loss during cold water transmission, ensuring high reliability of core components, and enabling intelligent sensing and control systems [7][8]. - The innovative structural design and pressure pre-balancing strategy effectively eliminate water hammer phenomena, facilitating efficient energy transfer between 16 MPa high-pressure and 4 MPa low-pressure fluids [7]. - The team has developed key components with high reliability, long lifespan, and low flow resistance, suitable for harsh conditions of high pressure and frequent temperature changes [7]. Group 2: Industry Impact - The equipment has been in stable operation for over three months, meeting international advanced performance standards, and is scheduled for deployment in the Liu Zhuang Coal Mine West District in the first half of this year [8]. - This development provides an efficient, economical, and reliable domestic solution for managing heat hazards in underground coal mines, supporting safe production in deep coal mining [8]. - The achievement underscores the importance of collaborative innovation between industry and academia in overcoming critical core technologies and enhances China's capabilities in independent energy equipment development [8].