CN109573363A - The method that electrolyte liquid storage library based on salt cave transform oil-gas depot as - Google Patents
The method that electrolyte liquid storage library based on salt cave transform oil-gas depot as Download PDFInfo
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- CN109573363A CN109573363A CN201811252969.2A CN201811252969A CN109573363A CN 109573363 A CN109573363 A CN 109573363A CN 201811252969 A CN201811252969 A CN 201811252969A CN 109573363 A CN109573363 A CN 109573363A
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- electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/76—Large containers for use underground
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Abstract
Method that the electrolyte liquid storage library based on salt cave transform oil-gas depot as that the invention discloses a kind of, the following steps are included: electrolyte liquid storage library is the salt cave with the molten chamber of physics that is formed after salt well accident, it is described molten intracavitary to store electrolyte, the salt cave is equipped with the opening being connected to molten chamber, it the described method comprises the following steps: S1, pipe is adopted in opening installation note, the molten chamber is protruded into the lower end that the note adopts pipe, note described in drain pipe tripping in is adopted in pipe, the note, which is adopted, has the first gap between the inner wall of pipe and the outer wall of the drain pipe, the lower end infused and adopt pipe is stretched out in the lower end of the drain pipe；Oil gas is injected in S2, Xiang Suoshu salt cave；S3, the electrolyte is discharged while injecting the oil gas；The electrolyte that S4, recycling are discharged.The electrolyte liquid storage library for being used for energy storage battery system can be transform as oil-gas depot by the method that the electrolyte liquid storage library based on salt cave transform oil-gas depot as, expand application range, reduce production cost.
Description
Technical field
Method that the electrolyte liquid storage library based on salt cave transform oil-gas depot as that the present invention relates to a kind of.
Background technique
With human economy fast development, the problems such as environmental pollution and energy shortage, increasingly sharpens, and promotes countries in the world wide
The renewable energy such as general development and utilization wind energy, solar energy, tide energy.However these renewable energy have it is discontinuous, unstable,
It is limited and the characteristic of grid-connected hardly possible by territorial environment, causes its utilization rate low, light rate height, waste of resource are abandoned in abandonment.Therefore it needs big
Power development can efficient, cheap, safe and reliable energy storage technology used in conjunction with.
In various electrochemical energy storage strategies, relative to static battery such as lithium ion battery and lead-acid battery, liquid stream electricity
(Redox Flow Batteries, RFBs) has several special technological merits in pond, is most suitable for extensive (megawatt/megawatt hour)
Electrochemical energy storage, such as relatively independent energy and the high-power operation of power control, high current (response is fast), security performance
High (being primarily referred to as nonflammable and explosion) etc..A domestic popular energy storage project is exactly vanadium flow battery at present.China
It is the natural storage big country of navajoite, in the short term, the vanadium raw materials for vanadium flow battery are not problems.But consider global range
Interior limited navajoite resource and high navajoite price (V2O5, $ 20/kg), the universal and long-time service of vanadium flow battery is all difficult
It realizes.Vanadium flow battery and zinc-bromine flow battery are all traditional flow battery technologies, and there are some technological deficiencies: such as living
Property substance self discharge caused by interelectrode shuttle effect and coulombic efficiency are low；Corrosive electrolyte is not environmentally and safe
Hidden danger.The cost of vanadium flow battery is probably 450/ kilowatt hour of $, and the universal price for the electrochemical energy storage that U.S. Department of Energy is recommended is wanted
In 150/ kilowatt hour of $ hereinafter, this means that high-performance to be developed, economic and practical completely new flow battery technology.
Salt cave is that the cavern left after salt mine is exploited in the way of water-soluble, and shape is from size according to different geology items
Depending on part, bulky and good seal, volume are generally tens of thousands of sides to tens sides, therefore, salt cave provide one it is huge
And the underground space of safety is used to store electrolyte, salt cave is mainly used to natural gas-storing and petroleum, is stored using salt cave
The electrolyte of aqueous phase system requires leakproofness, crushing resistance and the stability aspect in salt cave lower.Therefore, it is stored using salt cave
Electrolyte can sufficiently realize the comprehensive utilization in salt cave.
When constructing energy storage battery system without using electrolyte liquid storage library, salt cave is in blank state, wastes resource,
Improve maintenance cost.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, the present invention proposes a kind of method that the electrolyte liquid storage library based on salt cave transform oil-gas depot as, this is based on
The method that the electrolyte liquid storage library in salt cave transform oil-gas depot as can reduce production cost, expand salt cave application range, improve
Application flexibility.
The method that electrolyte liquid storage library according to an embodiment of the present invention based on salt cave transform oil-gas depot as, the electrolysis
Liquid liquid storage library is the salt cave with the molten chamber of physics that is formed after salt well accident, described molten intracavitary to store electrolyte, the salt cave
It equipped with the opening being connected to molten chamber, the described method comprises the following steps: S1, adopting pipe in opening installation note, the note is adopted
The molten chamber is protruded into the lower end of pipe, and note described in drain pipe tripping in is adopted in pipe, described to infuse the inner wall and the drain pipe for adopting pipe
There is the first gap, the lower end infused and adopt pipe is stretched out in the lower end of the drain pipe between outer wall；S2, to the molten intracavitary injection
Oil gas；S3, the electrolyte is discharged while injecting the oil gas；The electrolyte that S4, recycling are discharged.
The method that electrolyte liquid storage library according to an embodiment of the present invention based on salt cave transform oil-gas depot as, passes through tripping in
Electrolyte is discharged while injecting oil gas, and the electrolyte of discharge is recycled for drain pipe, has easy to operate, raising
Production efficiency protects environment, the advantages that economizing on resources.
According to an embodiment of the present invention, the electrolyte includes: supporting electrolyte, and the supporting electrolyte is water soluble method
The saturated bittern brine of the molten intracavitary formation in salt cave when chamber is made in salt cave；Redox active substance, the redox active substance
For water-soluble organic active molecule.
According to an embodiment of the present invention, the opening is equipped with production casing, and the note adopts pipe sleeve and is placed in the production
Casing, it is described note adopt between the outer wall of pipe and the inner wall of the production casing have the second gap, the step S1 include: S11,
Act original tubing string on the inside of the production casing；Note described in S12, tripping in adopts pipe；S13, envelope is installed in second gap
Every device；S14, protective agent is injected in second gap；Drain pipe described in S15, tripping in.
According to an embodiment of the present invention, the packer adopts the lower end of pipe close to the note.
According to an embodiment of the present invention, the molten bottom of chamber portion have insoluble matter, the lower end of the drain pipe and it is described not
The top surface of molten object the distance between be 1m or more.
According to an embodiment of the present invention, the step S3 include: S31, oil gas by first gap injection described in
Molten chamber；S32, under the action of the pressure of oil gas, the electrolyte by the drain pipe return ground.
According to an embodiment of the present invention, by the pressure of limitation injection oil gas, make the electrolyte of the opening
Pressure be no more than 1MPa.
According to an embodiment of the present invention, the step S4 include: S41, by the electrolyte import recovery pond, the electricity
The fraction solids particle solved in liquid realizes sedimentation；S42, pass through the redox active object in electrolyte described in UF membrane
Matter obtains pure brine.
According to an embodiment of the present invention, the step S4 further include: the obtained brine S43, is used for salt manufacturing.
According to an embodiment of the present invention, the electrolyte being discharged in the step S3 by cmf record adds up
Volume.
According to an embodiment of the present invention, when volume of the cumulative volume close to the molten chamber, reduce the electrolysis
The speed of liquid discharge.
According to an embodiment of the present invention, during the molten chamber is discharged in the electrolyte, periodically to the drain
Pipe re-injection clear water prevents drain pipe plugging due to saline crystallization.
According to an embodiment of the present invention, the amount of the clear water of injection is no more than the volume of the drain pipe overall length.
According to an embodiment of the present invention, the oil gas is petroleum or natural gas.
According to an embodiment of the present invention, the depth in electrolyte liquid storage library is 100m~2000m, and physical size exists
103m3~106m3, geotemperature is 25 DEG C~70 DEG C, and it is highly 60m~400m that the diameter of the molten chamber, which is 40m~120m,.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the method that the electrolyte liquid storage library according to an embodiment of the invention based on salt cave transform oil-gas depot as
Schematic diagram；
Fig. 2 is the method that the electrolyte liquid storage library according to an embodiment of the invention based on salt cave transform oil-gas depot as
The structural schematic diagram in electrolyte liquid storage library.
Appended drawing reference:
Electrolyte liquid storage library 100；
Molten chamber 10；Electrolyte 11；Opening 12；Insoluble matter 13；
Note adopts pipe 20；First gap 21；Second gap 22；Protective agent 23；
Drain pipe 30；
Production casing 40；Packer 50；
Electrolyte liquid storage library based on salt cave transform the method 200 of oil-gas depot as.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, limit
There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features surely.Of the invention
In description, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below with reference to the accompanying drawings it specifically describes the electrolyte liquid storage library according to an embodiment of the present invention based on salt cave and transform oil as
The method 200 of gas storage cavern.
As depicted in figs. 1 and 2, the electrolyte liquid storage library according to an embodiment of the present invention based on salt cave transform oil-gas depot as
Method 200,100 electrolyte liquid storage library of electrolyte liquid storage library is the salt cave with the molten chamber 10 of physics that is formed after salt well accident,
Store electrolyte 11 in molten chamber 10, salt cave is equipped with the opening 12 being connected to molten chamber 10, and method is the following steps are included: S1, opening
Installation note adopts pipe 20 at mouth 12, and molten chamber 10 is protruded into the lower end that note adopts pipe 20, and 30 tripping in of drain pipe note is adopted in pipe 20, infuses and adopts pipe 20
Inner wall and drain pipe 30 outer wall between there is the first gap 21, the lower end that note adopts pipe 20 is stretched out in the lower end of drain pipe 30；S2,
Oil gas is injected into salt cave；S3, electrolyte 11 is discharged while injecting oil gas；The electrolyte 11 that S4, recycling are discharged.
According to one embodiment of present invention, electrolyte 11 includes supporting electrolyte and redox active substance, is supported
Electrolyte is the saturated bittern brine of the molten intracavitary formation in salt cave when chamber is made in water soluble method salt cave, and redox active substance is water solubility
Organic active molecule.
In certain specific embodiments of the invention, production casing 40 is equipped at opening 12, note adopts pipe 20 and is placed on life
Casing 40 is produced, note, which is adopted, has the second gap 22 between the outer wall of pipe 20 and the inner wall of production casing 40, step S1 includes: S11, rises
Original tubing string of 40 inside of production casing out；S12, tripping in note adopt pipe 20；S13, packer 50 is installed in the second gap 22；
S14, protective agent 23 is injected in the second gap 22；S15, tripping in drain pipe 30.
Further, packer 50 adopts the lower end of pipe 20 close to note.
Optionally, molten 10 bottom of chamber has insoluble matter 13, between the lower end of drain pipe 30 and the top surface of insoluble matter 13
Distance is 1m or more.
According to one embodiment of present invention, step S3 includes: that S31, oil gas inject molten chamber 10 by the first gap 21；
S32, under the action of the pressure of oil gas, electrolyte 11 by drain pipe 30 return ground.
Further, by the pressure of limitation injection oil gas, the pressure of the electrolyte 11 at opening 12 is made to be no more than 1MPa.
According to one embodiment of present invention, step S4 include: S41, by electrolyte 11 import recovery pond, electrolyte 11
In fraction solids particle realize sedimentation；S42, by the redox active substance in UF membrane electrolyte 11, obtain pure
Brine.
Further, step S4 further include: obtained brine S43, is used for salt manufacturing.
According to one embodiment of present invention, the accumulative body for the electrolyte 11 being discharged in step S3 by cmf record
Product.
Further, when volume of the cumulative volume close to molten chamber 10, reduce the speed that electrolyte 11 is discharged.
In certain specific embodiments of the invention, during molten chamber 10 are discharged in electrolyte 11, periodically to drain
30 re-injection clear water of pipe prevents 30 plugging due to saline crystallization of drain pipe.
Further, the amount of the clear water of injection is no more than the volume of 30 overall length of drain pipe.
According to one embodiment of present invention, oil gas is petroleum or natural gas.
According to one embodiment of present invention, the depth in electrolyte liquid storage library 100 is 100m~2000m, and physical size exists
103m3~106m3, geotemperature is 25 DEG C~70 DEG C, and it is highly 60m~400m that the diameter of molten chamber 10, which is 40m~120m,.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (15)
1. a kind of method that the electrolyte liquid storage library based on salt cave transform oil-gas depot as, which is characterized in that the electrolyte storage
Liquid library is the salt cave with the molten chamber of physics that is formed after salt well accident, it is described it is molten it is intracavitary store electrolyte, the salt cave is equipped with
The opening being connected to molten chamber, the described method comprises the following steps:
S1, pipe is adopted in opening installation note, the molten chamber is protruded into the lower end that the note adopts pipe, will infuse described in drain pipe tripping in
It adopts in pipe, the note, which is adopted, has the first gap between the inner wall of pipe and the outer wall of the drain pipe, the lower end of the drain pipe is stretched
It is described out to infuse the lower end for adopting pipe；
S2, to the molten intracavitary injection oil gas；
S3, the electrolyte is discharged while injecting the oil gas；
The electrolyte that S4, recycling are discharged.
2. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the electrolyte includes:
Supporting electrolyte, the supporting electrolyte are the saturated bittern brine of the molten intracavitary formation in salt cave when chamber is made in water soluble method salt cave；
Redox active substance, the redox active substance are water-soluble organic active molecule.
3. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
Be equipped with production casing in, the opening, the note adopts pipe sleeve and is placed in the production casing, it is described infuse adopt the outer wall of pipe with it is described
There is the second gap, the step S1 includes: between the inner wall of production casing
S11, rise the production casing on the inside of original tubing string；
Note described in S12, tripping in adopts pipe；
S13, packer is installed in second gap；
S14, protective agent is injected in second gap；
Drain pipe described in S15, tripping in.
4. the method that the electrolyte liquid storage library according to claim 3 based on salt cave transform oil-gas depot as, feature exist
In the packer adopts the lower end of pipe close to the note.
5. the method that the electrolyte liquid storage library according to claim 3 based on salt cave transform oil-gas depot as, feature exist
There is insoluble matter in, the molten bottom of chamber portion, the top surface of the lower end of the drain pipe and the insoluble matter the distance between be 1m
More than.
6. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the step S3 includes:
S31, oil gas inject the molten chamber by first gap；
S32, under the action of the pressure of oil gas, the electrolyte by the drain pipe return ground.
7. the method that the electrolyte liquid storage library according to claim 6 based on salt cave transform oil-gas depot as, feature exist
In, by limitation injection oil gas pressure, make the electrolyte of the opening pressure be no more than 1MPa.
8. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the step S4 includes:
S41, the electrolyte is imported to recovery pond, the fraction solids particle in the electrolyte realizes sedimentation；
S42, by the redox active substance in electrolyte described in UF membrane, obtain pure brine.
9. the method that the electrolyte liquid storage library according to claim 8 based on salt cave transform oil-gas depot as, feature exist
In the step S4 further include:
S43, the obtained brine is used for salt manufacturing.
10. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the cumulative volume for the electrolyte being discharged in the step S3 by cmf record.
11. the method that the electrolyte liquid storage library according to claim 10 based on salt cave transform oil-gas depot as, feature
It is, when volume of the cumulative volume close to the molten chamber, reduces the speed of the electrolyte discharge.
12. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In, during the molten chamber is discharged in the electrolyte, periodically to the drain pipe re-injection clear water, prevent the drain pipe by
In saline crystallization and plugging.
13. the method that the electrolyte liquid storage library according to claim 12 based on salt cave transform oil-gas depot as, feature
It is, the amount of the clear water of injection is no more than the volume of the drain pipe overall length.
14. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the oil gas is petroleum or natural gas.
15. the method that the electrolyte liquid storage library according to claim 1 based on salt cave transform oil-gas depot as, feature exist
In the depth in electrolyte liquid storage library is 100m~2000m, and physical size is 103m3~106m3, geotemperature be 25 DEG C~
70 DEG C, it is highly 60m~400m that the diameter of the molten chamber, which is 40m~120m,.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811252969.2A CN109573363A (en) | 2018-10-25 | 2018-10-25 | The method that electrolyte liquid storage library based on salt cave transform oil-gas depot as |
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| CN201811252969.2A CN109573363A (en) | 2018-10-25 | 2018-10-25 | The method that electrolyte liquid storage library based on salt cave transform oil-gas depot as |
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Cited By (2)
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| CN110828862A (en) * | 2019-10-29 | 2020-02-21 | 中国科学院武汉岩土力学研究所 | Electric energy storage device of salt cavern flow battery |
| CN114635671A (en) * | 2022-03-28 | 2022-06-17 | 中国石油大学(北京) | System and method for backfilling oil-based rock debris into salt caverns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20190405 |