Domestic production of valves and main pipeline technology in thermal power units highlighted

In recent years, the localization of thermal power equipment has strongly supported the rapid development of China's power industry. Based on independent development, China has basically formed the capability of designing, manufacturing, and operating ultra-supercritical thermal power units. At present, 600,000 kilowatts of ultra-supercritical units have become the main types of conventional thermal power plants. The parameters, performance, and output of thermal power units have ranked first in the world. However, the production of auxiliary equipment and key equipment in power plants is still relatively backward. In particular, high-end valves and the four major pipelines have been dependent on imports, which not only limits the construction of power stations, but also greatly increases the cost of power construction. The promotion of localization of key valves and the four major pipelines has become an inevitable requirement for the development of super (ultra-supercritical) power generation technologies.

With the increase in the level of China's equipment manufacturing industry, the R&D capabilities of valve and main pipe manufacturing enterprises have also been greatly improved, the level of equipment has improved significantly, the quality management system has gradually become complete, and the overall quality has been significantly enhanced. It has been able to assume supercritical (super) critical thermal power valves and The ability of the four major localization tasks of the pipeline. To promote the localization of key valves and the four major pipelines as soon as possible, the National Energy Administration organized relevant industry associations, power generation groups, design institutes, and equipment manufacturing companies to study the feasibility of localization work, and defined localization goals, organizational implementation methods, and tasks. In the division of labor, six units including Jiangsu Nantong Power Plant, Henan Datang Sanmenxia Power Plant, Jiangsu Huadian Jurong Power Plant, Chongqing CLP Power Plant Chuanhuang Suiyu Power Plant and Henan Huayuan Jiaozuo Longyuan Power Plant were identified as localized projects, and localized implementation plans were formulated. .

With the active support and cooperation of major power generation groups, power plants, power design institutes, and mainframe manufacturing plants, equipment manufacturers and related organizations jointly developed the technical specifications and test programs for the localization of valves and the four major pipelines, and signed a joint research and development agreement. It marked that the localization of valves and the four major pipelines has achieved phased results and officially started substantive work.

Comrade Liu Tienan, deputy director of the National Development and Reform Commission, expressed his congratulations on the progress made in the supercritical control of the ultra-supercritical thermal power unit key valves and the localization of the four major pipelines, and proposed to rely on scientific and technological innovation and institutional innovation to promote energy production and utilization. Ways to change, improve energy conversion and utilization efficiency; pointed out that localization of energy equipment is an important part of national strategy. It is necessary to adhere to the established localization goals. Under the guidance and coordination of the National Energy Administration, “production, learning, research, and use” should be closely integrated. One by one, implement the localization plan one by one; emphasize that relying on major projects to promote the localization of equipment is an important and effective experience, must be high standards and strict requirements to ensure product quality, high-level completion of localization tasks, promote China's energy by large countries, equipment Big countries are changing to energy and equipment power.

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