en.Wedoany.com Reported - Taiyuan Heavy Machinery Group Co., Ltd. (hereinafter referred to as "Taiyuan Heavy"), through its subsidiary Taiyuan Heavy Machinery Binhai Company, recently won the bid for the ash lock equipment supporting the gasifier of a coal-to-natural gas project in China. The gasifier used in this project has a furnace body diameter of 5 meters, making it the largest crushed coal pressurized gasifier in China. The ash lock that won the bid measures approximately 4 meters in width and 4.9 meters in height, representing the largest specification ash lock in the country, with a design pressure of 5.1 MPa and a wall thickness of 100 millimeters.

Founded in 1950 and headquartered in Taiyuan City, Shanxi Province, Taiyuan Heavy Machinery Group Co., Ltd. is the first heavy machinery manufacturing enterprise independently designed and built in New China. Its business covers the research, development, and manufacturing of large-scale equipment in fields such as mining, metallurgy, energy, and transportation. Taiyuan Heavy Machinery Binhai Company is a subsidiary established by Taiyuan Heavy Group in the Tianjin Binhai New Area, focusing on high-end equipment manufacturing including pressure vessels, coal chemical equipment, and marine engineering equipment. The ash lock is a core component of the gasifier gasification system, responsible for collecting high-temperature ash slag, isolating the high pressure inside the furnace from the external atmospheric environment, orderly discharging slag, and preventing coal gas leakage. Its operational stability directly determines the continuous and efficient operation of the gasifier, requiring extremely high manufacturing precision, material performance, and process levels, making it a recognized high-difficulty core equipment in the coal chemical industry.

Compared to conventional products, the design pressure of the ash lock that won the bid this time has been increased from the conventional 4.6 MPa to 5.1 MPa, and the wall thickness has been increased from 75 millimeters to 100 millimeters. The higher pressure and thicker tank wall impose more stringent requirements on production processes such as welding and heat treatment. To address the project's challenges, Taiyuan Heavy Machinery Binhai Company established a dedicated R&D and manufacturing team, focusing on core technical difficulties such as precision assembly and welding deformation control, and developed systematic solutions. According to Taiyuan Heavy, leveraging its long-term technical accumulation, the company has supplied ash lock equipment for over a hundred similar gasifiers in China, which have operated stably and reliably, gaining recognition from the market and users. Users have indicated that Taiyuan Heavy, with its deep involvement in the pressure vessel manufacturing field, has accumulated solid project performance and rich practical experience.

This successful bid represents another significant breakthrough for Taiyuan Heavy Machinery Binhai Company in the high-end equipment field of the coal chemical industry, further consolidating its technical advantages and market position in large pressure vessel manufacturing. The high-quality delivery of this project will provide key equipment support for China's coal-to-natural gas industry, helping to enhance the independent manufacturing capability of core supporting components for large domestic gasifiers.

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