CN103852239B - Salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device and method - Google Patents
Salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device and method Download PDFInfo
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- CN103852239B CN103852239B CN201210502010.6A CN201210502010A CN103852239B CN 103852239 B CN103852239 B CN 103852239B CN 201210502010 A CN201210502010 A CN 201210502010A CN 103852239 B CN103852239 B CN 103852239B
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Abstract
The invention discloses a kind of salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device and method, belong to database technology field, underground natural gas storage tank, salt cave.This salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device include simulation box, displacement pump, delivery pipe, conductivity meter, facing to simulation box picture pick-up device, make lumen post and computer；Displacement pump and delivery pipe are all connected to make lumen post；First-class gauge it is connected with between displacement pump and simulation box；Second gauge it is additionally provided with on delivery pipe；Picture pick-up device, first-class gauge and second gauge are all operably connected to computer.The present invention carries out various working condition simulation in simulation box, and displacement infusion enters fresh water and discharged salt makes diffusion and convection phenomena, react salt hole air reserved storeroom really and make the working condition during chamber and environment, therefore, to make the method for chamber speed and technological parameter also the truest, accurately for the rock salt of accelerating drawn on this basis, and chamber speed and cavity morphology Control are made in beneficially raising.
Description
Technical field
The present invention relates to database technology field, underground natural gas storage tank, salt cave, particularly to a kind of molten chamber of salt hole air reserved storeroom
Convention diffusion physical simulating device and method.
Background technology
Along with China, " West-east Gas, " the second west to east gas pipeline project " and gas east, river send, middle remote pipeline etc. is important
The operation of pipeline or startup, the domestic construction demand to underground natural gas storage tank is more and more higher.China's rock salt resource is rich
Richness, mostly is stratiform salt deposit, and salt deposit grade is low and interlayer is many, and relatively external salt dome makes chamber, China's salt cave cavity
Morphology Control is more difficult, and molten chamber form mostly is irregular calabash shaped, and it is slow to make chamber speed.
In order to solve, rock salt gas storage solution mining speed is slow, cavity form problem rambunctious.On the one hand in salt cave
Before gas storage makes chamber construction, need deeply to recognize salt hole air reserved storeroom and make chamber mechanism, propose on this basis to add
Fast rock salt makes method and the technique of chamber speed；On the other hand certain physics, the method for numerical computations are taked,
Carry out rock salt bank and make chamber process parameter optimizing, propose to be suitable for salt hole air reserved storeroom and make the process parameter optimizing side in chamber
Case.
At present, chamber technological parameter, such as, middle petroleum drilling are made in the method optimization of domestic main employing numerical simulation
The underground storage engineering design of well institute independent research and simulation-analysis software, it is adaptable to China's many interlayers salt cave is stored up
Air reservoir makes chamber.But, during salt hole air reserved storeroom water-solvent method fluid transport, there are diffusing phenomenon and right
Flow phenomenon: in corrosion border interlayer, fluid transport mainly shows as the diffusion of solute；At circulation pipe string
Near, fluid transport is mainly by forced convection effect；And between, fluid transport with free convection is
Main, show as sedimentation diffusion balance under gravity.What the method for numerical simulation obtained makes chamber technique ginseng
Number typically all has the condition of hypothesis, and result of calculation exists certain error, the method needing physical modeling
As supplementing.
Summary of the invention
In order to solve problem of the prior art, embodiments provide a kind of salt hole air reserved storeroom molten chamber convection current
Diffusion physical simulating device and method.Described technical scheme is as follows:
On the one hand, it is provided that a kind of salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device, it include for
Fill the simulation box of salt, for the displacement pump of pumping fresh water, for discharging the delivery pipe of salt, being connected to mould
Intend the conductivity meter of case, picture pick-up device, be connected to simulation box make lumen post and computer；Displacement pump and discharge
Pipe is all connected to make lumen post；Picture pick-up device faces toward simulation box, for simulation box is shot image；Displacement pump
And between simulation box, it is connected with first-class gauge；Second gauge it is additionally provided with on delivery pipe；Picture pick-up device,
First-class gauge and second gauge are all operably connected to computer.
Further, simulation box is provided with a fixing hole, makes lumen post and includes making chamber outer tube and be arranged on and make chamber
Intracavity pipe is made in outer tube；Being installed on fixing hole with making chamber outer tube adjustable length, displacement pump and delivery pipe are equal
It is connected to make intracavity pipe.
Further, simulation box include one for house salt hold liquid case and be covered on hold liquid case upper cover,
Fixing hole is arranged on and covers.
Further, holding liquid case and include a sampling side plate, sampling side plate is provided with several thief holes, electricity
Electrical conductivity instrument connects any one thief hole.
Further, holding liquid case and include a transparent lateral plate, picture pick-up device faces toward transparent lateral plate.
Further, picture pick-up device is digital camera or video recording equipment.
Further, it is also connected with between displacement pump and simulation box being provided with the first pressure transducer；On delivery pipe also
It is provided with the second pressure transducer.
On the other hand, it is provided that a kind of salt hole air reserved storeroom molten chamber Convention diffusion physical simulating method, it include with
Lower step: step one: salt is full of the appearance liquid case of simulation box；Step 2: lumen post will be made and assign to appearance
In liquid case, and set following of distance, fresh water and the salt made between chamber outer tube and the two-port making intracavity pipe
Ring mode and fresh water and the flow of salt；Step 3: inject fresh water within holding liquid case, and remember with picture pick-up device
Record image；Step 4: increase clamping plate in holding liquid case, and step 2 and step 3 are repeated several times, and each
Secondary all change in step 2 fresh water and the endless form of salt, make lumen post insert the degree of depth held in liquid case and
Fresh water and the flow of salt；Step 5: the first pressure transducer, first-class gauge, the second pressure transducer
And data and the image of sensing all input to computer in second gauge, conductivity meter and picture pick-up device.
Further, in step 3, injecting fresh water within holding liquid case is distilled water.
Further, the bittern concentration in step one is the most adjustable, and in step one or step 3,
Salt and fresh water add the color meter making salt or fresh water change color.
The technical scheme that the embodiment of the present invention provides has the benefit that the salt hole air reserved storeroom of the present invention is molten
Chamber Convention diffusion physical simulating device and method are originally passed through to carry out various working condition simulation in simulation box, and
Enter fresh water by displacement infusion and discharged salt makes diffusion and convection phenomena, real reaction
Salt hole air reserved storeroom makes the working condition during chamber and environment, therefore, the first pressure transducer, first flow
In meter, the second pressure transducer and second gauge, conductivity meter and picture pick-up device sensing data parameters and
Image is all true, accurately, the rock salt of accelerating obtained on this basis makes the method for chamber speed and technological parameter also
The truest, accurate, chamber speed and cavity morphology Control are made in beneficially raising.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device of the present invention, its
Including simulation box；
Fig. 2 is the structure enlarged diagram of the simulation box in Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Refer to Fig. 1, the salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device of the present invention include simulation box 1,
The displacement pump 2 being connected to simulation box 1, the conductivity meter 3 being connected to simulation box 1, picture pick-up device 4, can grasp
Be installed on simulation box 1 with making makes lumen post 5 and computer (not shown).
Incorporated by reference to reference to Fig. 2, simulation box 1 includes one for housing the appearance liquid case 11 of salt and being covered on appearance liquid
The upper cover 13 of case 11.Preferably, in the present embodiment, holding liquid case 11 is length 280mm × width 250mm
× highly 400mm without top box.Preferably, in the present embodiment, upper cover 13 is by some screws 15
It is fixed on appearance liquid case 11.Hold liquid case 11 and include a sampling side plate 17 and a transparent lateral plate 19.This sampling
Side plate 17 is provided with several thief holes 171；Preferably, in the present embodiment, thief hole 171 according to
The mode of 10 row × 6 row is arranged on sampling side plate 17.Preferably, transparent lateral plate 19 can be glass plate.
Upper cover 13 is provided with a fixing hole (non-label).Hold and exercisable in liquid case 11 at least one clamping plate is set
(not shown).
Make lumen post 5 and include being installed on the making chamber outer tube 51 and be arranged on and make chamber outer tube of fixing hole of simulation box 1
Intracavity pipe 53 is made in 51.Make lumen post 5 to go deep into the length in simulation box 1 and can adjust as required.
Displacement pump 2 is connected to make intracavity pipe 53, for pumping fresh water within holding liquid case 11.Displacement pump 2 and appearance
The first pressure transducer 21 and first-class gauge 23 it is additionally provided with between liquid case 11；Wherein, the first pressure sensing
Device 21 injects the pressure of fresh water for recording displacement pump 2, and first-class gauge 23 is used for recording displacement pump 2 and adopts
Collection injects the speed of fresh water.Preferably, in the present embodiment, displacement pump 2 is Isco displacement pump.
It is also associated with on a delivery pipe 7, and this delivery pipe 7 being additionally provided with the second pressure in making intracavity pipe 53 to pass
Sensor 71 and second gauge 73；Wherein, the second pressure transducer 71 is for recording what delivery pipe 7 was discharged
The pressure of salt, second gauge 73 is for recording the speed of the salt that delivery pipe 7 is discharged.Preferably, for
Avoiding the halogen environmental pollution by water discharged, delivery pipe 7 is also associated with the appearance of the salt for housing discharge
Device 8.
Conductivity meter 3 connects any one thief hole 171, in the appearance liquid case 11 measuring simulation box 1
Bittern concentration.
Picture pick-up device 4 is facing to the transparent lateral plate 19 of appearance liquid case 11, for recording the fluid fortune held in liquid case 11
Motion video.Preferably, in the present embodiment, picture pick-up device 4 can be digital camera or video recording equipment etc..
When the salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device using the present invention is tested, by note
Enter fresh water to change and hold bittern concentration in liquid case 11, change make lumen post 5 insert hold liquid case 11 the depth and
Increase clamping plate etc. in holding liquid case 11 and change working condition, and record different bittern concentration by picture pick-up device 4
And the fluid motion under working condition.Afterwards, the first pressure transducer 21, first-class gauge 23, second are pressed
The data parameters of sensing and figure in force transducer 71 and second gauge 73, conductivity meter 3 and picture pick-up device 4
As all inputting to computer, can show that different operating condition, bittern concentration are distributed and stream by the analysis of computer
Relation between the body characteristics of motion, bittern concentration and the fluid characteristics of motion during chamber is made in research, basic at this
The upper quickening rock salt that proposes makes method and the technique of chamber speed, carries out rock salt bank and makes chamber process parameter optimizing, carries
Go out cavity morphology Control prioritization scheme, thus improve and make chamber speed, cavity morphology Control.
Specifically, the analogy method of the salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device of the present invention is utilized
As follows:
Step one: according to the concentration needing or reserving in advance of experiment, configures salt, and salt is full of simulation
The appearance liquid case 11 of case 1；
Step 2: lumen post 5 will be made and assigned to holding in liquid case 11 by fixing hole, and reset and make chamber outer tube
The endless form of distance, fresh water and salt between 51 and the two-port making intracavity pipe 53 and adjust fresh water and
The flow of salt.Wherein, the first pressure transducer 21 injects the pressure of fresh water for recording displacement pump 2, the
Flow meters 23 gathers the speed of injection fresh water for recording displacement pump 2.Second pressure transducer 71 is used for
The pressure of the salt that record delivery pipe 7 is discharged, second gauge 73 is for recording the salt that delivery pipe 7 is discharged
Speed.
Step 3: inject fresh water within holding liquid case 11 by displacement pump 2, it is preferable that the fresh water of injection is for steaming
Distilled water；And record image with picture pick-up device 4；After carrying out a period of time, measure salt by conductivity meter 3
Concentration distribution；Preferably, in the present embodiment, can in the fresh water holding pumping in liquid case 11 or salt
Add color meter to change fresh water or the color of salt, in order to observe streamline and Convention diffusion process, and be easy to take the photograph
As equipment 4 records image.
Step 4: increase clamping plate in liquid case 11 holding, and above steps may be repeated multiple times two and step 3, and often
The most all need to change fresh water and the endless form of salt in above-mentioned steps two, make lumen post 5 insertion appearance liquid case
The degree of depth in 11 and fresh water and the flow of salt.
Step 5: the first pressure transducer 21, first-class gauge 23, second in above-mentioned steps three and step 4
In pressure transducer 71 and second gauge 73, conductivity meter 3 and picture pick-up device 4 sensing data parameters and
Image all inputs to computer, by the analysis of computer can draw different operating condition, bittern concentration be distributed and
Relation between the fluid characteristics of motion, proposes to be suitable for salt hole air reserved storeroom successively and makes the process parameter optimizing scheme in chamber.
From above-mentioned narration, the salt hole air reserved storeroom molten chamber Convention diffusion physical simulating method of the present invention passes through
Carry out various working condition simulation in simulation box 1, and inject fresh water by displacement pump 2 and delivery pipe 7 discharges
Salt makes diffusion and convection phenomena, has reacted the working condition during salt hole air reserved storeroom makes chamber really
And environment, therefore, the first pressure transducer 21, first-class gauge the 23, second pressure transducer 71 and
In two effusion meters 73, conductivity meter 3 and picture pick-up device 4, data parameters and the image of sensing are all true, accurate,
Obtain on this basis accelerate rock salt make the method for chamber speed and technological parameter is the truest, accurately,
Raising is conducive to make chamber speed and cavity morphology Control.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (9)
1. a salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device, it is characterised in that it include for
Dress salt simulation box (1), for pumping fresh water displacement pump (2), for discharge salt delivery pipe (7),
It is connected to the conductivity meter (3) of described simulation box (1), picture pick-up device (4), is connected to described simulation box (1)
Make lumen post (5) and computer；
Described displacement pump (2) and described delivery pipe (7) make lumen post (5) described in being all connected to；
Described picture pick-up device (4) faces toward described simulation box (1), for described simulation box (1) shooting figure
Picture；
First-class gauge (23) it is connected with between described displacement pump (2) and described simulation box (1)；
Second gauge (73) it is additionally provided with on described delivery pipe (7)；
Described picture pick-up device (4), described first-class gauge (23) and described second gauge (73)
It is operatively connected to described computer,
Wherein said simulation box (1) includes one for housing appearance liquid case (11) of salt, described in make lumen post
(5) include making chamber outer tube (51) and make described in being arranged on making intracavity pipe (53) in chamber outer tube (51),
It is also connected with between described displacement pump (2) and described simulation box (1) being provided with the first pressure transducer (21)；Institute
State and on delivery pipe (7), be additionally provided with the second pressure transducer (71),
In described appearance liquid case (11), increase clamping plate, and over and over again salt is full of described simulation box (1)
Appearance liquid case (11) and described lumen post (5) of making is assigned in described appearance liquid case (11) and set institute
State distance, fresh water and the salt made between chamber outer tube (51) and the described two-port making intracavity pipe (53)
Endless form and fresh water and the flow of salt, and in described repetitive process, the most all change fresh water and halogen
The endless form of water, described in make lumen post (5) and insert the degree of depth in described appearance liquid case (11) and fresh water and halogen
The flow of water.
Salt hole air reserved storeroom the most according to claim 1 molten chamber Convention diffusion physical simulating device, its feature
Being, described simulation box (1) is provided with a fixing hole；Described chamber outer tube (51) adjustable length ground of making is pacified
Be loaded on described fixing hole, described displacement pump (2) and described delivery pipe (7) be all connected to described in make intracavity pipe
(53)。
Salt hole air reserved storeroom the most according to claim 2 molten chamber Convention diffusion physical simulating device, its feature
Being, described simulation box (1) also includes the upper cover (13) being covered on described appearance liquid case (11), described solid
Determine hole to be arranged on described upper cover (13).
Salt hole air reserved storeroom the most according to claim 3 molten chamber Convention diffusion physical simulating device, its feature
Being, described appearance liquid case (11) includes sampling side plate (17), and described sampling side plate (17) is provided with
Several thief holes (171), described conductivity meter (3) connects described any one thief hole (171).
Salt hole air reserved storeroom the most according to claim 3 molten chamber Convention diffusion physical simulating device, its feature
Being, described appearance liquid case (11) includes a transparent lateral plate (19), and described picture pick-up device (4) faces toward institute
State transparent lateral plate (19).
Salt hole air reserved storeroom the most according to claim 1 molten chamber Convention diffusion physical simulating device, its feature
Being, described picture pick-up device (4) is digital camera or video recording equipment.
7. a salt hole air reserved storeroom molten chamber Convention diffusion physical simulating method, its utilize the claims 1 to
Salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device according to any one of 6, it is characterised in that described salt
Hole air reserved storeroom molten chamber Convention diffusion physical simulating method comprises the following steps:
Step one: salt is full of appearance liquid case (11) of described simulation box (1)；
Step 2: described lumen post (5) of making is assigned to described appearance liquid case (11), and sets described
Make following of distance, fresh water and salt between chamber outer tube (51) and the described two-port making intracavity pipe (53)
Ring mode and fresh water and the flow of salt；
Step 3: inject fresh water in described appearance liquid case (11), and scheme with described picture pick-up device (4) record
Picture；
Step 4: increase clamping plate in described appearance liquid case (11), and described step 2 and described is repeated several times
Step 3, and the most all change in described step 2 fresh water and the endless form of salt, described in make lumen
Post (5) inserts the degree of depth in described appearance liquid case (11) and fresh water and the flow of salt；
Step 5: described first pressure transducer (21), described first-class gauge (23), described second pressure
Force transducer (71) and described second gauge (73), described conductivity meter (3) and described picture pick-up device
(4) in, data and the image of sensing all input to described computer.
Salt hole air reserved storeroom the most according to claim 7 molten chamber Convention diffusion physical simulating method, its feature
Being, in described step 3, injecting fresh water in described appearance liquid case (11) is distilled water.
Salt hole air reserved storeroom the most according to claim 7 molten chamber Convention diffusion physical simulating method, its feature
Being, the bittern concentration in described step one is the most adjustable, and in described step one or described step 3
In, described salt and described fresh water add the color meter making described salt or described fresh water change color.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210502010.6A CN103852239B (en) | 2012-11-29 | 2012-11-29 | Salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device and method |
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|---|---|---|---|
| CN201210502010.6A CN103852239B (en) | 2012-11-29 | 2012-11-29 | Salt hole air reserved storeroom molten chamber Convention diffusion physical simulating device and method |
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| CN103852239B true CN103852239B (en) | 2016-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104459034A (en) * | 2014-10-31 | 2015-03-25 | 中国石油天然气集团公司 | Cavity construction physical simulation device and method of single-well single-cavity salt-cavern gas storage |
| CN104459033A (en) * | 2014-10-31 | 2015-03-25 | 中国石油天然气集团公司 | Salt-cavern gas storage dual-well cavity construction physical simulation device and salt-cavern gas storage dual-well cavity construction physical simulation method |
| CN105096731B (en) * | 2015-09-06 | 2017-11-07 | 中国石油天然气集团公司 | The molten chamber physical simulating device and method in individual well salt cave |
| CN107764509B (en) * | 2016-08-16 | 2020-06-09 | 中国石油天然气股份有限公司 | Gas-water interface control simulation experiment system in cavity-making process of salt cavern gas storage |
| CN107764511B (en) * | 2017-10-13 | 2019-07-26 | 中国石油化工股份有限公司 | A kind of rock salt is to the molten cavity flow field of well water and simulation of carbon concentration field experimental method |
| CN114060000B (en) * | 2021-11-08 | 2024-01-26 | 中国科学院武汉岩土力学研究所 | Shrinkage data processing method, device, equipment and system of injection and production string |
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