CN206863023U - A kind of rock salt moves the experimental rig of water-soluble erosion transfer law - Google Patents
A kind of rock salt moves the experimental rig of water-soluble erosion transfer law Download PDFInfo
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- CN206863023U CN206863023U CN201720503257.8U CN201720503257U CN206863023U CN 206863023 U CN206863023 U CN 206863023U CN 201720503257 U CN201720503257 U CN 201720503257U CN 206863023 U CN206863023 U CN 206863023U
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- rock salt
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Abstract
A kind of rock salt moves the experimental rig of water-soluble erosion transfer law, including a large beaker, a small beaker, a sample suspension arrangement, a stirring rod, a fresh water filling pipe and rock salt sample；The large beaker is opening up a bittern discharger at its bottom, and the small beaker is placed in bittern discharger lower section, for accepting the bittern from bittern discharger outflow；The rock salt sample is arranged in the sample suspension arrangement, is immersed in the fresh water in the large beaker；The sample suspension arrangement is arranged above the large beaker with the fresh water filling pipe, is fixed by a fixed support.By the test method of the experimental rig, rock salt can be established and move the corrosion equation of water-soluble erosion transfer law, and provide its computational methods.The experimental rig and computational methods solve the experiment problem and theoretical calculation problem that water-soluble erosion transfer law experiment etc. is moved in rock salt, have good theory value and practical significance.
Description
【Technical field】
The utility model belongs to rock salt solution mining technical field in mineral engineering field, particularly relates to a kind of rock salt and moves water
The experimental rig of corrosion transfer law.
【Background technology】
Rock salt is the product under a kind of special natural conditions, and its mineralogical composition is mainly the sulfuric acid of sodium, potassium, magnesium ion
Salt, carbonate or chloride.It is the multi-source bittern by saturation in the case where prolonged geological epoch acts on, crystallization after salt,
Precipitation and accumulation etc. evolution, by the tens, differentiation of up to a million years and the covering protection in later stage, in certain nature
Formed under geographical conditions.The exploitation of underground rock salt has the history of more than 1,000 years.Rock salt is selected as oil, natural gas or core
Waste material stores storehouse, is that rock salt has following five big advantages because compared to other storage rocks：(1) extremely low permeability (K<
10-20m2)；(2) stronger creep properties, crack can be repaired automatically, be suitable for the change of pressure store；(3) Underground Salt chamber is
Non-aqueous layer, trap is good, will not polluted underground water；(4) makes chamber technology using water-soluble, compared to other caves (such as granite,
Mud stone, basalt etc.) make chamber advantage of lower cost；(5) harmful nuclear radiation can be absorbed, is relatively adapted to storage nuke rubbish；In addition
The characteristic that rock salt is dissolved in water makes the construction of rock salt cavern build chamber to be more prone to and economical, can be used as buried method nuclear waste disposal
Ideal field oil, natural gas storing place in one's power.Rock salt cavern uses water-solvent method technique, i.e., injects fresh water from ground, together
When from well head discharge bittern, be allowed to form certain molten chamber shapes and sizes.
The limitation for the condition that is put to the test, in the past on moving the water-soluble experimental rig and economics analysis for losing transfer law on rock salt
Utility model it is rarely found.
【The content of the invention】
Technical problem to be solved in the utility model is to provide the experiment dress that a kind of rock salt moves water-soluble erosion transfer law
Put.
What the utility model was realized in：
A kind of rock salt moves the experimental rig of water-soluble erosion transfer law, including the suspension of a large beaker, a small beaker, a sample
Device, a stirring rod, a fresh water filling pipe and rock salt sample；
The large beaker is opening up a bittern discharger at its bottom, and the small beaker is placed under the bittern discharger
Side, for accepting the bittern from bittern discharger outflow；
The rock salt sample is arranged in the sample suspension arrangement, is immersed in the fresh water in the large beaker；
The sample suspension arrangement is arranged above the large beaker with the fresh water filling pipe, is carried out by a fixed support
It is fixed.
Further, the large beaker is placed on an iron stand with the small beaker；The fixed support and the brandreth
Platform is fixedly connected.
The utility model has the advantage of：The utility model provides the experiment dress that a kind of rock salt moves water-soluble erosion transfer law
Put, by the test method of experimental rig, rock salt can be established and move the corrosion equation of water-soluble erosion transfer law, and provide its calculating
Method.The experimental rig and computational methods solve the experiment problem and reason that water-soluble erosion transfer law experiment etc. is moved in rock salt
By problem is calculated, there is good theory value and practical significance.
【Brief description of the drawings】
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the utility model experimental rig structural representation.
【Embodiment】
As shown in figure 1, a kind of rock salt moves the experimental rig of water-soluble erosion transfer law, including a large beaker 1, a stirring rod
2nd, a sample suspension arrangement 3, a small beaker 5, a fresh water filling pipe 7 and rock salt sample 6.
Large beaker 1 opens up a bittern discharger 4 at its close bottom, and small beaker 5 is placed in the lower section of bittern discharger 4,
For accepting the bittern from the bittern discharger 4 outflow.
Rock salt sample 6 is arranged in sample suspension arrangement 3, is immersed in the fresh water in large beaker 1.
Sample suspension arrangement 3 is arranged at the top of large beaker 1 with fresh water filling pipe 7, is fixed by a fixed support 8.
Large beaker 1 is placed on an iron stand 9 with small beaker 5；Fixed support 8 is fixedly connected with iron stand 9.
The test procedure of the experimental rig is as follows：
During corrosion, salt corrosion surface is parallel with the plane that corrosion bucket is filled with water, and other corrosion surfaces are sealed with paraffin；
Injection flow carrys out adjustment control (first regulating injection flow before experiment) with the knob of resin column；
It is slowly stirred frequently during experiment, to eliminate the influence of concentration gradient, every certain time from corrosion bucket
A small amount of water sample is taken out, determines the concentration of salting liquid in sample.
The water-soluble experimental rig for losing transfer law is moved using a kind of above-mentioned rock salt to be tested, in this experiment,
The ODE that rock salt moves water-soluble erosion model is as follows：
In formula：R is corrosion radius, and when t is corrosion, D is that ρ s are the density of rock salt for diffusion, and Cs is the full of rock salt solution
And concentration, Ct are the solution concentration of t；
Due to the bittern discharger flow very little of this experimental rig, solution concentration Ct can be counted as the following formula in above-mentioned experiment
Calculate：
In formula：M is t corrosion quality, and A is dissolving acreage, and V is solution initial volume, and Q is injection flow；
Bring formula (2) into formula (1), and must be fulfilled for primary condition：During t=0, R=0, ODE can be obtained：
Y '+p (x) y=q (x) of linear ordinary differential equation of first order analytic formula (4) is as follows：
In formula：Constant represents the constant term in analytic solutions, is determined by known conditions；
Analytic solutions can be solved to solution ODE (3), can obtain t corrosion radius R, t with formula (4) and known conditions
Moment solution concentration Ct：
The utility model provides the experimental rig that a kind of rock salt moves water-soluble erosion transfer law, passes through the experiment of experimental rig
Method, rock salt can be established and move the corrosion equation of water-soluble erosion transfer law, and provide its computational methods.The experimental rig and calculating
Method solves the experiment problem and theoretical calculation problem that water-soluble erosion transfer law experiment etc. is moved in rock salt, has well
Theory value and practical significance.
It the foregoing is only of the present utility model and preferably implement use-case, be not intended to limit protection of the present utility model
Scope.All any modification, equivalent substitution and improvement within the spirit and principles of the utility model, made etc., all should be wrapped
It is contained within the scope of protection of the utility model.
Claims (2)
1. a kind of rock salt moves the experimental rig of water-soluble erosion transfer law, it is characterised in that：Including a large beaker, a small beaker, one
Sample suspension arrangement, a stirring rod, a fresh water filling pipe and rock salt sample；
The large beaker opens up a bittern discharger at its close bottom, and the small beaker is placed in below the bittern discharger,
For accepting the bittern from bittern discharger outflow；
The rock salt sample is arranged in the sample suspension arrangement, is immersed in the fresh water in the large beaker；
The sample suspension arrangement is arranged above the large beaker with the fresh water filling pipe, is consolidated by a fixed support
It is fixed.
2. a kind of rock salt as claimed in claim 1 moves the experimental rig of water-soluble erosion transfer law, it is characterised in that：The big burning
Cup is placed on an iron stand with the small beaker；The fixed support is fixedly connected with the iron stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503257.8U CN206863023U (en) | 2017-05-09 | 2017-05-09 | A kind of rock salt moves the experimental rig of water-soluble erosion transfer law |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503257.8U CN206863023U (en) | 2017-05-09 | 2017-05-09 | A kind of rock salt moves the experimental rig of water-soluble erosion transfer law |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863023U true CN206863023U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720503257.8U Active CN206863023U (en) | 2017-05-09 | 2017-05-09 | A kind of rock salt moves the experimental rig of water-soluble erosion transfer law |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950354A (en) * | 2017-05-09 | 2017-07-14 | 福建工程学院 | A kind of rock salt moves the experimental rig and computational methods of water-soluble erosion transfer law |
| CN112444462A (en) * | 2019-09-02 | 2021-03-05 | 中国石油化工股份有限公司 | Method for simulating and testing fluid scouring performance of shaft |
-
2017
- 2017-05-09 CN CN201720503257.8U patent/CN206863023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950354A (en) * | 2017-05-09 | 2017-07-14 | 福建工程学院 | A kind of rock salt moves the experimental rig and computational methods of water-soluble erosion transfer law |
| CN112444462A (en) * | 2019-09-02 | 2021-03-05 | 中国石油化工股份有限公司 | Method for simulating and testing fluid scouring performance of shaft |
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