A kind of experimental device and experimental method for gas storage in the bottom pit of old salt mining cavity
An experimental method and residue technology, applied in the direction of measuring devices, volume measuring instruments/methods, material inspection products, etc., can solve the problems of unrealized gas storage capacity and unusable residue space in old cavity bottom pits
Active Publication Date: 2022-07-19
JIANGSU UNIV OF SCI & TECH
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[0004] Purpose of the invention: The purpose of the invention is to provide an experimental device and method for gas storage in the bottom pit residue of an old salt mining cavity, to study the mechanism of gas injection and brine discharge and expansion of the bottom pit residue, and to verify the feasibility of the bottom pit residue gas storage. Obtain the utilization rate of the bottom pit space, and solve the problem that the gas storage capacity of the residue space in the old cavity bottom pit of the salinization enterprise is not implemented, and the residue space cannot be utilized
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[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] like figure 1 As shown, the present invention includes a glass container 3, the glass container 3 is a cylinder with a scale, the top of the glass container 3 is provided with a plastic sealing cover, a rubber ring is arranged between the sealing cover and the glass container 3, and the sealing cover has an opening to connect the The gas pipeline 4 is in communication with the air compressor 1 . The air compressor 1 is located at the starting end of the gas pipeline 4 . The gas pipeline 4 is provided with a gas flow meter 2 and a first valve 9 . The lower part of the glass container 3 is connected with a halogen discharge pipeline 5, a fluid flow meter 6 and a salt concentration meter 8 are arranged on the halogen discharge pipeline 5, and a second valve 10 is provided between the fluid flow meter 6 and the glass container 3 to control the flow of the fluid. Th...
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The invention discloses an experimental device and an experimental method for gas storage in the bottom pit of an old salt mining cavity, comprising a container, the top of the container is provided with a sealing cover, the sealing cover is connected with a gas transmission pipeline, and the transmission The gas pipeline is communicated with the air compressor, the gas pipeline is provided with a gas flowmeter and a first valve, the lower part of the container is connected with a halogen discharge pipeline, and the halogen discharge pipeline is connected with a second valve, a liquid flowmeter and a first valve. In the salt concentration meter, the end of the brine discharge pipe extends into the measuring cylinder, and the outlet at the lower part of the container is provided with a gauze, which can block the passage of insoluble particles, and only allow brine to enter the brine discharge pipe through the outlet. The method can verify the feasibility of gas storage in the bottom pit residue space, study the mechanism of gas injection, halogen discharge and capacity expansion of the bottom pit residue, obtain the proportion of the gas storage volume in the bottom pit residue space in the bottom pit insoluble matter, and verify the capacity of the bottom pit cavity expansion. If feasible, obtain the experimental expansion volume and the residual space gas storage volume.
Description
technical field [0001] The invention relates to an experimental device and an experimental method for gas storage, in particular to an experimental device and an experimental method for gas storage in the bottom pit of an old salt mining cavity. Background technique [0002] With the continuous improvement of environmental protection requirements, natural gas, as a clean energy, is widely used in many fields, and the demand for natural gas storage facilities in my country is also increasing. Salt-cavern gas storage is more and more popular due to its advantages of flexible gas injection and production, large throughput and good economic benefits. However, the long dissolution cavity cycle limits the large-scale construction speed of salt cavern gas storage. It takes about 4 to 5 years or even more time for a new well to go from drilling to gas injection. Reconstructing the salt cavern gas storage in the cavity can save the time of drilling and dissolving the cavity, which n...
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IPC IPC(8): G01M99/00G01N33/24G01F17/00G09B23/40
CPCG01M99/00G01N33/24G01F17/00G09B23/40
Inventor 李凤芹田桂中冯晓明赵磊
Owner JIANGSU UNIV OF SCI & TECH