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Natural gas dehydration unit

A dehydration device and natural gas technology, applied in the direction of gas fuel, dispersed particle filtration, petroleum industry, etc., can solve the problems of low dehydration efficiency and inability to dehydrate, and achieve the effect of preventing waste, not easy to freeze, and preventing dirt from clogging

Active Publication Date: 2017-10-17
PETROCHINA CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a natural gas dehydration device to solve the defects of the prior art that the dehydration efficiency is low or dehydration is impossible when the external temperature is high

Method used

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Embodiment Construction

[0040] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0041] Such as Figure 1 to Figure 4 As shown, the present invention provides a natural gas dehydration device for dehydrating wet natural gas, wherein wet natural gas or wet gas refers to natural gas containing water vapor, or in oil production stations, when the temperature is below zero, the gas The natural gas that can be frozen in the pipeline is called wet natural gas or wet gas, and the natural gas that does not freeze is called dry natural gas or dry gas. The natural gas dehydration device includes a dehydration unit for dehydration and a drainage unit for drainage.

[0042] Wherein, the dehydration part comprises a first cylinder body 7 and a second cylinder body 52 sealingly connected above the first cylinder body 7, th...

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Abstract

The invention provides a natural gas dehydration device, which includes a dehydration part and a drainage part. The dehydration part includes a first cylinder body and a second cylinder body. A moisture inlet is opened on the side wall of the first cylinder body, and a There is an air-water conduit, and the side wall of the air-water conduit is pierced with an air hole that communicates with the moisture inlet; the second cylinder is sealed and connected above the first cylinder, and the second cylinder is equipped with a cylindrical water filter membrane. The inner cavity of the water filter membrane communicates with the air-water conduit, and the side wall of the second cylinder is provided with a first dry gas outlet; the drainage part includes a water-air bypass pipe, and the upper end of the water-air bypass pipe is sealed with the lower end of the air-water conduit Connection, the lower end of the water-gas branch pipe is connected with the upper valve, the inside of the water-gas branch pipe has a water chamber, the bottom of the water chamber is provided with a floating ball, and the upper valve is connected with the upper float ball. The invention adopts a water filter membrane to filter and dehydrate wet natural gas, overcomes the defect of the prior art that the dehydration cannot be effectively performed when the temperature is high, and realizes automatic dehydration and automatic drainage in all seasons throughout the year.

Description

technical field [0001] The invention relates to a dehydration device, in particular to a natural gas dehydration device used for dehydration of self-produced natural gas in an oil production station. Background technique [0002] In the process of oil field development, the natural gas separated from the buffer tank of the oil production station is transported to the water jacket furnace area of ​​the oil production station through the natural gas pipeline network, and is used for the heating furnace, the export furnace, the oil mixing furnace, the water mixing furnace, and the primary heating furnace. For heating gas, if the gas production is greater than the water jacket furnace consumption of the oil production station, the excess will be sent to the external gas transmission trunk line for other uses. Because the natural gas separated by the buffer tank of the oil production station contains a certain amount of water (the buffer tank of the oil production station has no ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/54C10L3/10
Inventor 陈伟东杨波刘长芝赵光明张长胜
Owner PETROCHINA CO LTD
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