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Flange Leakage in Hydrogen-Cooled Pipeline Systems of Thermal Power Plants
- Posted: 07/29/2025 10:07:12
- Hits: 24
Abstract: The hydrogen-cooled supply pipeline system in thermal power plants is a pressure-bearing network composed of valves, flanges, joints, and other pressurized components. Among these components, detachable connections are especially prone to hydrogen leakage due to sealing degradation...
Flange Sealing Technology and Installation Method for Hydrogenation Units
- Posted: 07/17/2025 09:07:31
- Hits: 4
Abstract: Hydrogenation reactors are critical components in hydroprocessing units, and the sealing of their top flanges involves high technical requirements and operational complexity. Drawing on lessons from a previous flange seal failure during the initial start-up of a 3 million t/a diesel...
Multi-Directional Die Forging Process for Horizontal Valve Bodies with Dual Flanges
- Posted: 06/27/2025 03:06:56
- Hits: 7
Abstract: In the multi-directional die forging of horizontal valve body forgings with flanges on both sides, achieving complete flange filling is often challenging, leading to a low yield of qualified parts. Simulation analysis of the forging process reveals that when the flanges are formed by...
Structural Performance Analysis of Zirconium Pressure Vessel Lap Joint Flanges
- Posted: 06/23/2025 05:06:49
- Hits: 7
Abstract: This study investigates the stress distribution in lap joint flanges of zirconium pressure vessels with different liner ring structures using ANSYS 11.0 software. The analysis identifies the areas of maximum stress and evaluates the performance of various liner ring configurations. Drawing...
Low-Temperature Flange Sealing Solutions for Cryogenic Chemical Pipelines
- Posted: 04/24/2025 01:04:39
- Hits: 102
Abstract On LNG carriers, boil-off gas (BOG) can be reliquefied into LNG using lower-temperature cooling media such as nitrogen and helium. However, achieving a reliable seal for cryogenic gases remains a significant technical challenge. Based on the LNG reliquefaction project, this paper analyzes...
Innovative Technology for Automatic Alignment in Underwater Flange Assembly
- Posted: 04/12/2025 10:04:05
- Hits: 8
Abstract: With the continued development of oil resources in deepwater areas, submarine pipeline transportation is widely recognized as the fastest, safest, most economical, and most reliable method. As the number of submarine pipelines increases, connecting pipelines on the seabed has become inevitable. However,...
Stamped Steel Slip-On Flanges
- Posted: 02/20/2025 06:02:43
- Hits: 27
Abstract The steel stamped slip-on flange is a new, non-standard pipe flange. This paper introduces the slip-on flange and details its structure and characteristics. A model is created using SolidWorks 3D modeling software and imported into ANSYS Workbench for finite element analysis. The slip-on flange...
Design and Finite Element Analysis of Anchor Flanges for Oil & Gas Pipelines
- Posted: 02/07/2025 02:02:21
- Hits: 42
Abstract Anchor flanges are critical components in oil and gas pipeline engineering, requiring precise design and calculation to account for complex engineering factors. Traditional design methods often rely on conventional calculation approaches, resulting in suboptimal structural dimensions, excessive...
Forming and Manufacturing Technology of Anchor Flanges
- Posted: 09/24/2024 02:09:12
- Hits: 45
An anchor flange is a key component in large-diameter, high-pressure, long-distance gas (oil) pipeline systems. This paper presents independent research and development work on the production technology of large anchor flanges. The structural parameter design was conducted by combining theoretical...
Structure and Materials of Anchor Flanges
- Posted: 09/07/2024 02:09:45
- Hits: 53
Anchor flanges are key components in long-distance gas (oil) pipeline transmission projects. They are welded onto the main gas (oil) pipelines and secured with cement piers. They are either half-buried or fully buried underground to prevent excessive pipeline displacement caused by combined forces such...
Flanges for Pressure Vessels
- Posted: 07/14/2024 04:07:43
- Hits: 246
Flanges are essential components in the design and construction of pressure vessels. They connect pipes, valves, and other equipment to the vessel, ensuring a secure and leak-proof seal. Flanges play a crucial role in maintaining the structural integrity and safety of pressure vessels. Types...
An Introduction to Socket Welded Neck Flanges
- Posted: 07/03/2024 03:07:23
- Hits: 20
A welded neck flange is a type of flange used in piping systems to provide a secure, reliable connection between pipes, valves, pumps, and other equipment. It is designed with a long, tapered hub that is welded to the pipe. This design provides reinforcement in the flange area, reducing stress and ensuring...