Well head gas recovery and purification device and method

A purification device and wellhead gas technology, applied in gas fuel, petroleum industry, fuel, etc., can solve the problems of single function, low equipment utilization rate, large construction area, etc., and achieve simple operation, simple structure and operability strong effect

Pending Publication Date: 2022-01-04
SUZHOU SUJING PROTECTIVE ATMOSPHERE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing recovery and purification devices occupy a large area, and most of them are loose parts, which need to be installed on site. The construction area is also large, and the construction is easily affected by weather changes, resulting in a long installation period.
However, natural gas wellheads are generally distributed in mines and on the sea surface. The existing recovery and purification devices are extremely inconvenient to transport and difficult to construct, and are not suitable for the recovery of wellhead gas.
In addition, because the existing recovery and purification devices are designed for certain specific places, they often have a single function and cannot meet the requirements of different occasions, and the utilization rate of equipment is low.

Method used

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  • Well head gas recovery and purification device and method
  • Well head gas recovery and purification device and method
  • Well head gas recovery and purification device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0061] Such as Figures 1 to 5 As shown, a recovery and purification device includes a first mounting base 31, a second mounting base 32, a purification module, a separation module, a first control module 41 and a second control module 42, and the purification module and the first control module 41 are respectively set On the first mounting base 31 , the separation module and the second module are respectively disposed on the second mounting base 32 .

[0062] The first mounting seat 31 is a cuboid structure with a length of 380 cm and a width of 100 cm. The second mounting seat 32 is a cuboid structure with a length of 450 cm and a width of 90 cm.

[0063]The purification module includes a steam-water separation system 11 , a filtration system 12 and a heating system 13 . The steam-water separation system 11 includes a steam-water separator. The filter system 12 includes a first filter 121, a second filter 122, a third filter 123 and a fourth filter 144, the first filter 1...

Embodiment 2

[0081] Such as Image 6 As shown, the difference between this embodiment and Embodiment 1 is that the first pressure valve assembly is not provided on the intake pipe 14 of this embodiment. The filtration system 12 of this embodiment is three heaters connected in series, and the filtration precision of the three filters is 1 μm, 0.01 μm, and 0.01 μm in sequence. The membrane filter of this embodiment includes a first membrane group, a second membrane group and a third membrane group, the outlet of the first membrane group is connected to the fourteenth valve 261, the outlet of the second membrane group is connected to the fifteenth valve 271, and the outlet of the second membrane group is connected to the fifteenth valve 271. The outlet of the three-membrane group is connected to the sixteenth valve 281 .

[0082] The recovery and purification device in this embodiment has three working states.

[0083] When in the first working state, the first valve 141, the second valve 1...

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Abstract

The invention relates to a recovery and purification device and method. The recovery and purification device comprises a purification module capable of conducting recovery and impurity removal on well head gas and a separation module capable of conducting separation and purification on the well head gas; the recovery and purification device has three states; when the recovery and purification device is in the first state, the purification module communicates with a gas outlet pipe of the well head gas so as to recycle and remove impurities from the well head gas; when the recovery and purification device is in the second state, the separation module communicates with a gas outlet pipe of the well head gas so as to separate and purify the well head gas; and when the recovery and purification device is in the third state, the purification module communicates with the separation module and the gas outlet pipe of the well head gas so as to realize recycling, impurity removal, separation and purification of the well head gas. The recovery and purification device is simple in structure, has multiple working states, can meet the recovery requirements of the well head gas under different conditions, and is suitable for different working occasions; and the recovery and purification method disclosed by the invention is simple to operate and high in operability.

Description

technical field [0001] The invention relates to a recovery and purification device, in particular to a wellhead gas recovery and purification device and method. Background technique [0002] The scientific name of wellhead gas is natural gas, and its composition varies from place to place. Wellhead gas contains the most hydrocarbons such as methane, ethane, butane, and pentane, of which methane accounts for about 90%; there are also carbon dioxide, carbon monoxide, and sulfur compounds. At present, the treatment of wellhead gas is generally discharged into the atmosphere, and wellhead gas entering the air will endanger human health and pollute the environment. In addition, the discharge of wellhead gas also causes a waste of resources. If the wellhead gas is recovered and purified to a usable standard, the environmental protection and economy of wellhead gas resources will be improved. [0003] Most of the existing recovery and purification devices occupy a large area, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10
CPCC10L3/101
Inventor 郗春满陆璐郭正军卞华君熊大平
Owner SUZHOU SUJING PROTECTIVE ATMOSPHERE
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