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Salt cavern gas storage device

A technology for gas storage devices and salt caverns, which is applied in mining devices, mining equipment, earthwork drilling, etc., and can solve problems such as low volumetric efficiency and incomplete deflation of salt caverns

Inactive Publication Date: 2018-03-27
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a salt cavern gas storage device to solve the problems of incomplete deflation and low volumetric efficiency of the salt cavern due to the dual requirements of gas pressure and geological safety in the prior art, and to provide salt cavern system processing and run technical method

Method used

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  • Salt cavern gas storage device

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "plurality" is two or more; the terms "upper", "lower", "left", "right", "inner ", "outside", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construe...

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Abstract

The present invention provides a salt cavern gas storage device, the salt cavern gas storage device communicates with an aboveground gas source, and includes a gas storage chamber, a brine chamber and a brine pool; the gas storage chamber and the brine chamber are salt caverns, and the The brine pool is set on the ground; the air storage chamber communicates with the ground air source through an air storage pipe; the brine chamber communicates with the brine pool through a brine pipe; the bottom of the air storage chamber communicates with the The bottom of the brine chamber is connected, and the air storage chamber, the brine chamber and the brine pool are all filled with brine. The invention provides a salt cavern gas storage device. When the gas storage chamber is deflated, the high-pressure gas is discharged from the gas storage chamber through the gas storage pipe, and the brine in the brine pool and the brine chamber enters the gas storage chamber through the connecting pipe, so that the gas in the gas storage chamber The remaining gas is discharged from the gas storage chamber to improve the volumetric efficiency of the salt chamber; at the same time, the brine provides support pressure to the gas storage chamber to avoid geological problems causing adverse effects on the ground. It has the advantages of high safety, simple structure, and easy preparation and application. .

Description

technical field [0001] The invention relates to the technical field of high-pressure gas storage, in particular to a salt cavern gas storage device. Background technique [0002] Salt caverns are underground caves formed in underground salt beds or salt domes after salt mines are mined by water-soluble mining methods, which can be used to store natural gas or oil. Generally, two pipe strings are required, one for injecting water and the other for returning brine, and the injected water is used to dissolve the salt layer to form a salt chamber. The geometric diameter of a single chamber is generally 60-90m, the height is 100-350m, and the storage capacity is 20-100m million m 3 . After mining, the salt cavity needs to be backfilled with saturated brine to ensure the stability of the geological structure; under the premise of ensuring geological safety, using the salt cavity for gas storage can also exert its economic value. [0003] At present, there are a large number of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21F17/16
CPCE21F17/16
Inventor 梅生伟薛小代陈来军卢强
Owner TSINGHUA UNIV
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