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High-pressure natural gas dealkylation device

A technology for natural gas and hydrocarbon removal, which is applied in the direction of gas fuel, gas treatment, and dispersed particle filtration, etc. It can solve the problems of high overall operating cost, large floor area, and large system energy consumption, and achieves reduced floor space and reduced The effect of reducing production and operation costs and system energy consumption

Inactive Publication Date: 2021-01-29
ENRIC BENGBU COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When recovering gas wells containing a large amount of condensate in the prior art, the main problem is that there are many equipments for CNG products, especially those related to natural gas dehydrocarbonation, which occupy a large area. High energy consumption and high overall operating costs

Method used

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  • High-pressure natural gas dealkylation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as Figure 4 As shown, a high-pressure natural gas dehydrogenation device includes a pre-separator 2 , a first adsorption tower 4 , a second adsorption tower 5 and a dust filter 12 .

[0040] A first pipeline A comprising two valves V is set, one end of the first pipeline A is connected to the front end of the first adsorption tower 4 , and the other end is connected to the front end of the second adsorption tower 5 .

[0041] The two valves V of the first pipeline A are connected to the pre-separator 2 through a pipeline, and the pre-separator 2 is connected to the air inlet 1 through a pipeline.

[0042] A second pipeline B comprising two valves V is provided, one end of the second pipeline B is connected to the rear end of the first adsorption tower 4 , and the other end is connected to the rear end of the second adsorption tower 5 .

[0043] The second pipeline B is connected to the dust filter 12 through a pipeline between the two valves V, and the dust filte...

Embodiment 2

[0045] In this embodiment, the similarity with Embodiment 1 will not be repeated here, the difference is:

[0046] Such as Figure 5 As shown, set a third pipeline C containing two valves V, the two ends of the third pipeline C are connected in parallel with the two ends of the first pipeline A, set a fourth pipeline D containing two valves V, the fourth The two ends of the pipeline D are connected in parallel with the two ends of the second pipeline B, and a fifth pipeline E including two valves V is provided, and the two ends of the fifth pipeline E are connected in parallel with the second pipeline B and the fourth pipeline D.

[0047] A sixth pipeline F is provided, one end of the sixth pipeline F is connected to the pipeline between the two valves V of the first pipeline A, and the other end is connected to the pipeline between the two valves V of the fourth pipeline D.

[0048] Set a seventh pipeline G, one end of the seventh pipeline G is connected to the pipeline betw...

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Abstract

The invention belongs to the technical field of energy and chemical engineering and relates to a high-pressure natural gas dealkylation device. The device comprises a front separator, adsorption towers, a regeneration air cooler, a refrigerating machine, an oil-gas separator, a circulating compressor, an electric heater and a dust filter. According to the technical schemes, an adsorption process is operated, feed gas of an edge well or a scattered well enters the first adsorption tower for adsorption treatment, and dealkylation gas is sent to a gas outlet; after the first adsorption tower is saturated, a regeneration process is operated, and a medium gas is subjected to heating, cooling and separation treatment, and the adsorption function of the first adsorption tower is recovered; and meanwhile, the second adsorption tower runs an adsorption process, and a raw material gas enters the second adsorption tower for adsorption treatment. After the second adsorption tower is saturated, theregeneration process is operated, and the first adsorption tower operates the adsorption process; and the adsorption towers circulate the process to realize continuous dehydrogenation of the feed gas. The device is simple in technological process, low in manufacturing cost, small in system energy consumption and low in overall operation cost, and well pressure is fully utilized to achieve directfilling.

Description

technical field [0001] The invention relates to the technical field of energy and chemical engineering, and more specifically relates to a high-pressure natural gas dehydrogenation device. Background technique [0002] Marginal wells and scattered wells have small gas volume and high pressure. In order to make full use of wellhead pressure to recover CNG products, the following two methods are usually used for recovery: [0003] When some gas wells do not contain or contain a small amount of condensate, such as figure 1 The method shown: The natural gas is directly charged after passing through the high-pressure separator and high-pressure dehydration using the well pressure. When the tank truck and the well pressure are balanced, the compressor is turned on to perform the pressure supplement process for recycling. [0004] When some gas wells contain more condensate, if the figure 1 The method shown will cause too much effusion in the tank car, which will greatly reduce t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/10B01D53/02B01D46/00
CPCB01D46/00B01D53/02B01D2253/102B01D2257/702B01D2259/4009B01D2259/402C10L3/10
Inventor 单乃生吴永刚
Owner ENRIC BENGBU COMPRESSOR
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