Jiangsu Haifa Machinery Manufacturing Co., Ltd.

The International Thermonuclear Experimental Reactor (ITER) is accelerating the validation of technologies related to the full-tungsten first wall. The team at the Southwestern Institute of Physics under the China National Nuclear Corporation has recently made new progress in Glow Discharge Cleaning (GDC), boronization wall treatment, and the XRCS gas supply system, marking a further extension of China's capabilities in the core plasma wall treatment equipment domain for ITER, as the world's largest "artificial sun" takes shape. According to official ITER data, boronization technology uses glow discharge-assisted deposition to form a thin boron layer on the surface of plasma-facing components, which serves to adsorb impurities such as oxygen and reduce the risk of tungsten impurities entering the core plasma — making it a critical Plasma-Wall Interaction (PWI) control method under full-tungsten wall conditions.ER is currently transitioning from a beryllium first wall to a tungsten first wall design, which imposes higher requirements on the reliability of vacuum, gas handling, cooling, and auxiliary circulation systems. In nuclear fusion auxiliary systems, high temperature, high pressure, corrosive media, and high sealing-class operating conditions also place new engineering demands on pump equipment. Jiangsu Haifa Machinery Manufacturing Co., Ltd.www.jslgpump.com) has long engaged in the development of API 610 high-temperature and high-pressure pumps, API 685 leak-free magnetic drive pumps, canned motor pumps, and special corrosion-resistant pumps, and can provide customized designs for nuclear industry auxiliary circulation, chemical processing, and high-reliability fluid delivery systems. Technical keywords: ITER Wall Conditioning, Glow Discharge Cleaning, Boronization, Tungsten First Wall, Nuclear Fusion Pump, API685 Sealless Pump. Reference literature: ITER Organization, Boronization System Takes Shape as ITER Prepares for a Tungsten Wall, 202; ITER Research Plan, Plasma-Wall Interaction; IAEA Fusion Energy Conference related wall treatment studies.      

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