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Development of Manufacturing Large Anchor Flanges
- Posted: 12/24/2024 03:12:27
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Abstract This paper examines the research, design principles, and production techniques for anchor flanges, which are vital support components in large-scale gas and oil pipelines operating under high pressure and spanning long distances. By prioritizing advanced and practical design principles, domestically...
Hardfacing the Inner Surface of Long-Neck Flanges Using CO₂ Gas-Shielded Welding
- Posted: 12/07/2024 02:12:10
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Abstract A corrosion-resistant stainless steel layer is applied to the inner surface of the long weld neck flange on pressure vessels to enhance its resistance to corrosion. This paper discusses the application of CO₂ gas-shielded welding with stainless steel core wire and appropriate welding auxiliary...
UHV High-Neck Flange Welding
- Posted: 11/27/2024 03:11:14
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3. Requirements for Welding Seams of Circumferential Butt Joint of UHV High-Neck Flanges During the production of steel pipe towers for UHV transmission lines, the welding of steel pipes to high-neck flanges is critical to the quality and progress of the entire project. Therefore, when dealing...
Application of High-Neck Flange to UHV Steel Pipe Tower
- Posted: 11/05/2024 02:11:15
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The high-neck flange, also known as a long-neck flange or neck flange, is a disc-shaped component primarily used to connect pipes. It has been widely applied in petrochemical, urban water supply, and power systems. In recent years, with the planning and construction of the UHV transmission line project...
Analysis of the Cracking Cause of High-Neck Flanges
- Posted: 10/28/2024 11:10:48
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Abstract: A stainless steel high-neck flange cracked after being welded and installed. The causes of cracking and failure of the high-neck flange were analyzed through macro and fracture analysis, chemical composition analysis, mechanical property tests, and metallographic inspection. The results...
Anchor Flanges for the East-West Gas Transmission Project
- Posted: 10/17/2024 10:10:03
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This paper analyzes and improves the original anchor flange structure used in domestic and international pipeline project designs, considering the relevant requirements for anchor flanges in the East-West Gas Transmission Project in Sichuan. A new type of staggered flange structure is proposed, which...
Analyzing the Corrosion of Blind flanges
- Posted: 08/27/2024 06:08:34
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In the reforming unit of a continuous reforming device, the materials need to pass continuously through four reactors for the reaction. Each reactor has a heating furnace that provides the necessary reaction heat. Technologically, the four heating furnaces are combined into one to form a "four-in-one"...
Research on the Processing Technology of SS316L Flanges
- Posted: 08/10/2024 06:08:03
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During the initial trial cutting of SS316L flanges, problems such as low efficiency, inability to mass-produce, and precision not meeting standards were identified. The causes of these problems were analyzed, and effective measures, including designing special fixtures and optimizing processing technology,...
Flanges Formed by Bending
- Posted: 06/27/2024 07:06:01
- Hits: 24
Abstract A flange is a key component used to connect pipelines and equipment; its main function is to ensure the sealing and strength of the pipeline system. As an important connector in the pipeline system, the forming of flanges directly affects their quality and service life....