A liquid collection device for natural gas gathering and transportation pipelines
A natural gas, gathering and transportation technology, applied in the direction of combined devices, gas fuel, separation methods, etc., can solve the problems of not being able to separate liquids efficiently in time
Active Publication Date: 2020-06-26
中石化石油工程技术服务有限公司 +1
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- Description
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- Application Information
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Problems solved by technology
Especially for natural gas containing a large amount of liquid accumulation in the gathering and transportation pipeline, the current separation devices are unable to efficiently separate the liquid in a timely manner.
Method used
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[0024] Such as figure 1 Shown is a schematic structural diagram of a natural gas gathering and transportation pipeline liquid collection device, which is a vertical cylinder structure, including a collection device cylinder 1, a spherical upper head 2, a spherical lower head 3 and a base 7, the upper The head 2 is provided with an air outlet 5, the lower head 3 is provided with a drain pipe 11, and the drain pipe 11 extends to the outside through the base 7, and the trapping device cylinder 1 is provided with a manhole 6, a liquid level gauge 9, Sand flushing pipe 8 and vent valve 10. The upper middle part of the trapping device cylinder 1 is provided with an air inlet pipe 4 such as figure 2 As shown, the intake pipe 4 enters the trapping device cylinder 1 obliquely, and in the process of entering the trapping device cylinder 1 from the outside of the trapping device cylinder 1, the diameter of the intake pipe 4 gradually decreases, and the diameter of the end 18 of the int...
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Abstract
The invention relates to the field of separation devices used in the treatment of natural gas gathering and transportation pipelines, in particular to a liquid collecting device for natural gas gathering and transportation pipelines. The device of the present invention is connected to the collection and transportation pipeline through the air inlet and the gas outlet on the cylinder body of the liquid collection and transportation pipeline liquid collection device provided by the present invention. The collection device cylinder is rectified by the "Tian" shaped rectification plate, and is separated by swirling along the inner wall of the collection device cylinder. After rectification, it is discharged from the air outlet through the mist-catching net, and the liquid is discharged from the liquid discharge pipe at the bottom of the trapping device cylinder, through the change of the angle of the inlet pipe, the direction of the inlet pipe and the diameter of the inlet pipe, and the unique design of the rectification and baffle process , to realize the efficient capture of natural gas gathering and transportation pipeline effusion. The device provided by the invention is suitable for solving the problem that the gas-liquid separation cannot be completely realized in the case of a large amount of liquid accumulation.
Description
technical field [0001] The invention relates to the field of separation devices used in the treatment of natural gas gathering and transportation pipelines, in particular to a liquid collecting device for natural gas gathering and transportation pipelines. Background technique [0002] After the natural gas is extracted from the ground, it is transported to the gas gathering terminal through the gas pipeline, and then transported to the user after being treated by the purification plant. The natural gas extracted from the gas field contains part of the formation water, which is carried by the natural gas into the gathering and transportation pipeline. Factors such as temperature changes along the gathering and transportation pipeline, changes in line elevation, and changes in operating conditions may cause gas liquefaction in the pipeline. and hydrates to form a certain amount of condensate. The condensate and formation water in the pipeline gradually accumulate in the low-...
Claims
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IPC IPC(8): B01D50/00C10L3/10
CPCC10L3/106B01D50/20
Inventor 高继峰商剑峰仝淑月龚金海范伟王洪松
Owner 中石化石油工程技术服务有限公司