
Group Information
The first domestic N08028 alloy equipment of Zhongsha Tianjin Petrochemical Co., Ltd. was successfully delivered
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- Time of issue:2021-06-22 15:30
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(Summary description)China Petrochemical Engineering Construction Co., Ltd. (SEI) is the general contractor for the 260000 ton/year PC project of Zhongsha Tianjin Petrochemical Co., Ltd. Our company participated in undertaking a batch of dual phase steel, Hastelloy alloy, and nickel based alloy towers. Among them, two N08028 alloy azeotropic towers were manufactured for the first time in China and were successfully delivered in the near future; This tower is the first N08028 alloy material in China, with a diameter of 3100mm and a total length of over 40 meters, with 60 layers of trays.
The first domestic N08028 alloy equipment of Zhongsha Tianjin Petrochemical Co., Ltd. was successfully delivered
(Summary description)China Petrochemical Engineering Construction Co., Ltd. (SEI) is the general contractor for the 260000 ton/year PC project of Zhongsha Tianjin Petrochemical Co., Ltd. Our company participated in undertaking a batch of dual phase steel, Hastelloy alloy, and nickel based alloy towers. Among them, two N08028 alloy azeotropic towers were manufactured for the first time in China and were successfully delivered in the near future; This tower is the first N08028 alloy material in China, with a diameter of 3100mm and a total length of over 40 meters, with 60 layers of trays.
- Categories:Group news
- Author:
- Origin:
- Time of issue:2021-06-22 15:30
- Views:
China Petrochemical Engineering Construction Co., Ltd. (SEI) is the general contractor for the 260000 ton/year PC project of Zhongsha Tianjin Petrochemical Co., Ltd. Our company participated in undertaking a batch of dual phase steel, Hastelloy alloy, and nickel based alloy towers. Among them, two N08028 alloy azeotropic towers were manufactured for the first time in China and were successfully delivered in the near future; This tower is the first N08028 alloy material in China, with a diameter of 3100mm and a total length of over 40 meters, with 60 layers of trays.
The Zhongsha PC project introduces process technology from abroad and adopts SABBIC's innovative plastic non phosgene melting technology. In the presence of a copper based catalyst, diphenyl carbonate (DPC) and bisphenol A are polymerized into PC in a molten state. This advanced process technology greatly reduces material and energy consumption. The corresponding advanced technology also has strict requirements for equipment.


Our company is welding this material for the first time. Before manufacturing, we conducted a large number of welding tests to verify the welding method. In terms of welder welding exam management, strict assessment was carried out. Only after passing the assessment can formal components be welded, and the welding qualification rate of the welder was recorded. In terms of welding material management, we strictly followed the company's regulations. Welding was carried out strictly in accordance with the welding process instructions, and the welding material grades and welder qualifications used by the welder were checked. Material management was also carried out, Strictly follow the requirements of the drawings, and keep good records of materials and transplant identification; The tower tray technology adopts the technology of Gridge Company in the United States, with high technical requirements. Technical and inspection personnel guide the installation and welding of the tower tray support ring throughout the manufacturing site, ensuring the quality of the entire equipment.


Nanjing Debang, as the first domestic enterprise to use N08028 alloy material for manufacturing, faces unknown difficulties. Debang people adhere to a rigorous attitude, a scientific spirit of overcoming difficulties, and carry forward the spirit of striving for excellence as craftsmen. They organize elite forces, from design to manufacturing, from leaders to workers, and from reality to overcome key difficulties, ensuring the smooth implementation of projects; Nanjing Debang people contribute their wisdom and sweat to the domestic special metal equipment industry.
Subordinate enterprise
■ NANJING SANBANG NEW MATERIAL TECHNOLOGY CO., LTD.
■ Jiangsu Debang Engineering Co., Ltd.
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