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A natural gas deacidification process flow

A technology of process flow and natural gas, which is applied in the field of deacidification process of natural gas, can solve the problems of easy foaming of alcohol amine solution, low resource utilization rate, complicated process, etc., and achieve high resource utilization rate, high resource utilization rate, process simple effect

Active Publication Date: 2020-09-29
INST OF SINOPEC OILFIELD EQUIP CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the conventional deacidification process of natural gas liquefaction unit has complicated process, easy foaming of alcohol amine solution, and low resource utilization rate

Method used

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  • A natural gas deacidification process flow
  • A natural gas deacidification process flow

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0037] In the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", " The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not indicative or implied. It should not be construed as limiting the invention that a device or element must have a particular orientation, be constructed, and operate in a particular orientation.

[0038] like Figure 1-2 As shown, the present invention provides a kind of deacidification process flow of natural gas, and ...

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Abstract

The invention discloses a natural gas deacidification process flow, which comprises the following steps: S1, the natural gas is passed into an absorption tower containing an alcohol amine solution, and the acid gas in the natural gas and the alcohol amine solution undergo an exothermic adsorption reaction, so that the natural gas The acid gas in it is adsorbed in the alcohol amine solution, and the heat release promotes the release of alcohol amine gas to obtain a mixed gas of natural gas and alcohol amine gas; wherein, the alcohol amine solution reacted with natural gas is converted from poor liquid to rich liquid; S2, Pass the mixed gas obtained through step S1 into the purified gas cooler to cool down; S3, pass the cooled mixed gas in step S2 into the purified gas separator to separate the alcohol amine gas therein. The technical solution can effectively remove acid gas in natural gas and improve its purity, and can be widely used in the field of natural gas deacidification.

Description

technical field [0001] The invention relates to the field of natural gas deacidification. More specifically, the invention relates to a natural gas deacidification process flow. Background technique [0002] In recent years, as my country's environmental protection requirements have become increasingly stringent, the "coal-to-gas" policy has been vigorously promoted, the demand for natural gas has continued to grow, and the industry has entered a period of rapid development. Through the purification, compression and cooling of natural gas, it is transformed into liquefied natural gas (LNG), which has the characteristics of small size, convenient storage and transportation, high calorific value, safety and high efficiency. It has been widely used in transportation and other fields. [0003] Natural gas liquefaction means that the temperature of natural gas is gradually cooled from normal temperature to -162°C through heat exchange equipment, so as to realize liquefaction, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L3/10B01D53/14
CPCB01D53/1406B01D53/1462C10L3/102C10L3/103C10L3/104
Inventor 许剑池胜高李文权简志勇杨凡钱德松
Owner INST OF SINOPEC OILFIELD EQUIP CORP
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