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Skid-mounted natural gas liquefaction device

A liquefaction device and natural gas technology, applied in liquefaction, refrigeration, liquefaction, solidification, etc., can solve the problems that small gas fields cannot be put into production, and achieve the effects of strong adaptability, high liquefaction efficiency, and large heat exchange area

Active Publication Date: 2015-09-02
CHINA NAT OFFSHORE OIL CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whether it is coalbed methane resources or offshore natural gas resources, there are quite a few scattered gas sources. For this part of natural gas resources, if traditional development methods are used for development, many small gas fields will not be able to be put into production due to cost constraints.

Method used

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  • Skid-mounted natural gas liquefaction device

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Such as figure 1 As shown, the skid-mounted natural gas liquefaction device of the present invention includes a precooling system skid, a cold box skid, a liquefaction system skid and a supercooling system skid; the precooling system skid is connected to the cold box through pipelines The skid block, the cold box skid block is connected to the liquefaction system skid block and the subcooling system skid block respectively through pipelines; among them, the pre-cooling system skid block is assembled independently from the equipment and pipelines included in the pre-cooling circulation system A, and the cold box The box skid is independently assembled from the equipment and pipelines included in the natural gas liquefaction system B. The liquefaction system skid is independently assembled from the equipment and pipelines included in the liquefie...

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Abstract

The invention relates to a skid-mounted natural gas liquefaction device, which is characterized by comprising a pre-cooling system skid, a cold box skid, a liquefaction system skid and an overcooling system skid, wherein the pre-cooling system skid is connected with the cold box skid through a pipeline; the cold box skid is connected with the liquefaction system skid and the overcooling system skid through a pipeline respectively, the pre-cooling system skid is formed by independently assembling equipment and a pipeline of a pre-cooling circulation system, the cold box skid is formed by independently assembling equipment and a pipeline of a natural gas liquefaction system, the liquefaction system skid is formed by independently assembling equipment and a pipeline of a liquefied gas expansion cooling system, the overcooling system skid is formed by independently assembling equipment and a pipeline of an overcooling air expansion cooling system, and then each independent skid is assembled into the whole set of skid-mounted device. Therefore, the skid-mounted device is convenient to transport and mount, and can be widely applied to natural gas liquefaction production processes of offshore and onshore small gas fields.

Description

technical field [0001] The invention relates to the field of onshore and offshore natural gas production, in particular to a skid-mounted natural gas liquefaction device. Background technique [0002] In recent years, with the increasing consumption of clean energy such as natural gas, my country's natural gas exploitation has extended to coalbed methane fields and offshore natural gas fields. However, whether it is coalbed methane resources or offshore natural gas resources, there are quite a few scattered gas sources. For this part of natural gas resources, if traditional development methods are used for development, many small gas fields will not be able to be put into production due to cost constraints. With the new natural gas extraction technology, the liquefaction device can be flexibly configured according to the production status of the target gas field, and the natural gas will be liquefied on the spot first, and then transported to the destination. significance. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25J1/02
CPCF25J1/0022F25J1/005F25J1/0052F25J1/0072F25J1/0092F25J1/0095F25J1/0207F25J1/0218F25J1/0259F25J1/0288F25J2270/90
Inventor 谢彬喻西崇李恩道尹全森邰晓亮刘淼儿周丹王清程兵赵晶瑞王世圣杜庆贵谢文会王俊荣李阳
Owner CHINA NAT OFFSHORE OIL CORP
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