CN105675806A - Salt cavern store mining parameter test apparatus and method thereof - Google Patents
Salt cavern store mining parameter test apparatus and method thereof Download PDFInfo
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- CN105675806A CN105675806A CN201511029876.XA CN201511029876A CN105675806A CN 105675806 A CN105675806 A CN 105675806A CN 201511029876 A CN201511029876 A CN 201511029876A CN 105675806 A CN105675806 A CN 105675806A
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Abstract
The embodiment of the invention discloses a salt cavern store mining parameter test apparatus and a method thereof. The apparatus comprises a barrel body, a tray, a collet and a cover plate, wherein the barrel body is transparent; the cover plate is covered on the opening of the barrel body, the cover plate is provided with a clamping portion used for clamping salt rocks to be tested, and the clamping portion is positioned in the barrel body and stretches downward when the cover plate covers the opening of the barrel body; and the collet is arranged at the bottom in the barrel body, and the tray is arranged above the collet. Requirements of salt cavern store mining design are met on the basis of mining parameters obtained through the test apparatus and the method in the embodiment of the invention.
Description
Technical field
The application relates to that underground storage water is molten makes field, chamber, in particular to a kind of salt cave Chu Kuzao chamber parameter test device and method.
Background technology
Storage storehouse, salt cave is adopt manual type by the storage area, cave of the molten formation of water in the thicker salt deposit in underground or salt dome, to store oil, Sweet natural gas, can be used for adjusting peak and strategic reserves. The gordian technique in Chu Kujian storehouse, salt cave is that chamber is made in salt cave. The size and shape of cavity determines primarily of geologic condition. Therefore, build need before storage storehouse, salt cave fully to understand salt deposit structure, the condition such as component, in subterraneous salt deposit, how to build safety, firm cavity to study. Generally, it is possible to carry out simulation experiment study in indoor, measure and make chamber parameter to the impact of erosion rate and cavity form, thus reach the requirement of Forecast and control cavity volume and form.
In prior art, mainly according to " salt ore water soluble characteristic laboratory test methods and the requirement " in geological and mineral industry standard " salt lake and salt mineral product geology exploration standards " (DZ/T0212-2002), Chu Kuzao chamber, salt cave parameter is tested.
Realizing in the application's process, contriver finds that in prior art, at least there are the following problems:
In " salt ore water soluble characteristic laboratory test methods and requirement ", the parameter of test is water-soluble parameter, mainly comprise rock salt side molten time corrosion drilling depth, quality after corrosion, molten angle, side and bittern concentration, and corrosion drilling depth time molten on rock salt, the quality after corrosion, molten angle, side and bittern concentration etc., it is mainly used in the test that underground salt mine adopts salt parameter. Parameter according to test in " salt ore water soluble characteristic laboratory test methods and requirement " does not generally comprise the parameter relevant with cavity form with cavity volume, the form etc. that such as, form after rock salt corrosion to be measured and insolubles are piled up. But, the morphological requirements of the underground cavity that storage storehouse, salt cave is formed after generally being dissolved by rock salt is higher. Therefore, the parameter obtained by " salt ore water soluble characteristic laboratory test methods and requirement " cannot meet the requirement of Chu Kuzao chamber, salt cave design.
Summary of the invention
The object of the embodiment of the present application is to provide a kind of salt cave Chu Kuzao chamber parameter test device and method. Chamber parameter is made, it is possible to meet the requirement of Chu Kuzao chamber, salt cave design based on what the test set of the embodiment of the present application and method obtained.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of salt cave Chu Kuzao chamber parameter test device and method to be achieved in that
A kind of Chu Kuzao chamber, salt cave parameter test device, comprising: staving, pallet, collet and cover plate, wherein,
Described staving is transparent shape;
Described cover plate can cover the opening place at described staving, and described cover plate has clamping part, and for clamping rock salt to be measured, when described cover plate covers the opening place at described staving, described clamping part is in the inside of described staving and stretches out downwards;
Described collet is placed on the bottom of described staving inside, and described pallet is placed on the top of described collet
A kind of Chu Kuzao chamber, salt cave parameter test method, comprising:
The distilled water of preset vol is poured in staving;
By flat for an end-grain cutting of rock salt to be measured rear wax envelope, then by this end, described rock salt to be measured is placed on described pallet;
Use distilled water that rock salt to be measured is carried out corrosion, obtain the form after the quality after rock salt corrosion to be measured, rock salt corrosion to be measured, the form of insolubles accumulation, the inclination angle of insolubles accumulation and bittern concentration.
The technical scheme provided from above the embodiment of the present application, the embodiment of the present application can test the water-soluble parameter of rock salt to be measured and the parameter relevant with cavity form with cavity volume. Wherein, described water-soluble parameter mainly comprises the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured and bittern concentration etc., and the described parameter relevant with cavity form with cavity volume mainly comprises the form after rock salt corrosion to be measured, the form of insolubles accumulation and the inclination angle etc. of insolubles accumulation. Compared with prior art, therefore, the parameter that the test set of the embodiment of the present application and method obtain can meet the requirement of Chu Kuzao chamber, salt cave design.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view of Chu Kuzao chamber, the embodiment of the present application salt cave parameter test device staving;
Fig. 2 is the sectional view of Chu Kuzao chamber, the embodiment of the present application salt cave parameter test device lid body;
Fig. 3 is the schema of Chu Kuzao chamber, a kind of salt cave of the embodiment of the present application parameter test method;
Fig. 4 is the schema of Chu Kuzao chamber, the embodiment of the present application another kind of salt cave parameter test method.
Embodiment
In order to make those skilled in the art understand the technical scheme in the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments. Based on the embodiment in the application, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Generally, underground salt mine adopts salt and the requirement of parameter is had obvious difference by Chu Kuzao chamber, salt cave. Underground salt mine adopts salt, and the parameter requests such as the salt amount of extraction is higher, and the parameter requests such as cavity form is lower, and therefore underground salt mine adopts salt it is generally required to test the water-soluble parameter of rock salt. Compared with adopting salt with underground salt mine, the morphological requirements of the underground cavity that Chu Kuzao chamber, salt cave is formed after being dissolved by rock salt is higher. Therefore, Chu Kuzao chamber in salt cave is except needing the water-soluble parameter of test rock salt, in addition it is also necessary to the parameter that test rock salt is relevant with cavity form with cavity volume. The parameter obtained by " salt ore water soluble characteristic laboratory test methods and requirement " generally cannot meet the requirement of Chu Kuzao chamber, salt cave design.
First a kind of Chu Kuzao chamber, salt cave of the embodiment of the present application parameter test device is introduced below.Fig. 1 is the sectional view of the staving of described device, and Fig. 2 is the sectional view of the lid body of described device. As depicted in figs. 1 and 2, this device can comprise: staving 2, pallet 3, collet 4 and cover plate 1. Wherein, described staving 2 can be transparent shape, so that observing the corrosion situation of rock salt to be measured when the molten test of water, and the distribution of movement situation of different concns bittern and bittern drive residue.
Described cover plate 1 can cover the opening place at described staving 2. Described cover plate 1 has clamping part (part that Fig. 2 middle cover body stretches out) downwards, to clamp rock salt to be measured, such that it is able to meet the upper molten test of irregular rock salt. When described cover plate 1 covers when the opening place of described staving 2, described clamping part stretches out downwards in the inside of described staving 2.
Described collet 4 is placed on the bottom of described staving 2 inside. Described pallet 3 is placed on the top of described collet 4, to accept the insolubles that salt karst to be measured falls.
Further, described cover plate 1, described pallet 3 and described collet 4 can be transparent shape.
In some embodiments, as shown in Figure 2, described clamping part can be provided with communicating pores (in figure being 5). When needs clamp rock salt to be measured, it is possible to use bolt or screw are simultaneously through described rock salt to be measured and described communicating pores, thus are fixed on described cover plate 1 by rock salt to be measured.
Based on the test set corresponding to Fig. 1 and Fig. 2, the embodiment of the present application also provides a kind of Chu Kuzao chamber, salt cave parameter test method. The method goes for the molten test in side. Wherein, side is molten to be referred generally in staving, and the water surface is vertical with the dissolving face of rock salt to be measured, makes the dissolution mechanism that the parallel described rock salt longitudinal axis direction to be measured of dissolving carries out. As shown in Figure 3, the method can comprise:
S301: the distilled water of preset vol is poured in staving.
The preset vol of distilled water can obtain based on rock salt to be measured. Generally, in the process of test, the liquid level of bittern can not have the top of rock salt to be measured. Wherein, the aqueous solution that described bittern is formed after being generally distilled water dissolution of minerals salt.
In some embodiments, it is possible to by the preset vol of following formulae discovery distilled water.
V is preset vol, and unit is ml;
K is design factor, and its value is generally between 1.1-1.5.
V is the expectation volume of dissolution of rock salt to be measured, and unit is cm3, described expectation volume of dissolution generally reservoir situation belonging to rock salt to be measured, is obtained according to empirical estimating by tester;
D is the quality of rock salt to be measured, and unit is g/cm3;
C is the grade of rock salt to be measured;
K is the saltiness of often liter of saturated bittern, and unit is g/l.
S302: wax envelope after an end-grain cutting of rock salt to be measured is flat, is then placed on described rock salt to be measured on described pallet by this end.
Specifically, it is possible to wax envelope after an end-grain cutting of rock salt to be measured is flat, such that it is able to ensure stable being positioned on pallet of rock salt to be measured in test process. In prior art, it is necessary to rock salt to be measured is made cubic shaped, then on a side of cubes, cut out a dissolving face, finally use the mixed solution of paraffin and pitch by the face closure of described rock salt to be measured except dissolving face. Compared with prior art, therefore, the embodiment of the present application can reduce the molten front loaded down with trivial details preparation work in side, and rock salt to be measured can be made to retain more dissolving face such that it is able to true simulation underground storage make chamber process.
S303: use described distilled water that rock salt to be measured is carried out corrosion, obtains the form after the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured, rock salt corrosion to be measured, the form of insolubles accumulation, the inclination angle of insolubles accumulation and bittern concentration.
The corrosion drilling depth of described rock salt to be measured, it is possible to be the corrosion depth of rock salt to be measured.Quality after described rock salt corrosion to be measured, it is possible to be remaining quality after rock salt corrosion to be measured. Form after described rock salt corrosion to be measured, it is possible to be the shape after rock salt corrosion to be measured.
The insolubles that described insolubles is formed after being generally rock salt corrosion to be measured. Described insolubles is generally positioned on pallet. Correspondingly, the form that described insolubles is piled up, it is possible to for insolubles is after rock salt to be measured dissolving, the shape presented on pallet. Described insolubles piles up the inclination angle produced, it is possible to for insolubles piles up the angle of shape and the horizontal plane presented on pallet.
The staving of Chu Kuzao chamber, described salt cave parameter test device is generally transparent, therefore, it is possible to by described staving, directly observes the parameters such as the form after rock salt corrosion to be measured, the form of insolubles accumulation and the inclination angle of insolubles accumulation.
In one embodiment, the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured can be obtained at interval of the first preset time period, inclination angle that form that the form after rock salt corrosion to be measured, insolubles are piled up, insolubles are piled up and bittern concentration, until reach pre-conditioned till. Wherein, described first predetermined interval can be 15min or 30min.
Specifically, described pre-conditioned can be: the concentration of bittern reaches the first preset concentration. Namely, the inclination angle that quality after can obtaining the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured at interval of the first preset time period, the form after rock salt corrosion to be measured, the form of insolubles accumulation, insolubles are piled up and bittern concentration, till bittern concentration reaches the first preset concentration. Such as, described first preset concentration can be 24 ° of Be '.
In another embodiment, the inclination angle that quality after can obtaining the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured at interval of the 2nd preset time period, the form after rock salt corrosion to be measured, the form of insolubles accumulation, insolubles are piled up and bittern concentration, when bittern concentration reaches the 2nd preset concentration, the inclination angle that quality after can obtaining rock salt corrosion to be measured at interval of the 3rd preset time period, the form after rock salt corrosion to be measured, the form of insolubles accumulation, insolubles are piled up and bittern concentration, till bittern concentration reaches the first preset concentration. Wherein, described 2nd preset concentration is generally less than or equals the first preset concentration. Described 2nd prefixed time interval is less than or equals the first prefixed time interval. Such as, the 2nd prefixed time interval can be 15min, and the first prefixed time interval can be 30min.
Based on the test set corresponding to Fig. 1 and Fig. 2, the embodiment of the present application also provides Chu Kuzao chamber, another kind of salt cave parameter test method. The method goes for upper test. Wherein, upper molten referring generally in staving, the water surface is parallel with the dissolving face of rock salt to be measured, makes the dissolution mechanism that the vertical described rock salt longitudinal axis direction to be measured of dissolving carries out. As shown in Figure 4, the method can comprise:
S401: the distilled water of preset vol is poured in staving.
The preset vol of distilled water can obtain based on rock salt to be measured. Generally, in the process of test, the liquid level of bittern can not have the top of rock salt to be measured.
S402: wrapped up one end of rock salt to be measured, then uses this end of the described rock salt to be measured of clamping of the clamping part on cover plate, and described cover plate covers the opening place at staving.
S403: use described distilled water that rock salt to be measured is carried out corrosion, obtains the form after the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured, rock salt corrosion to be measured, the form of insolubles accumulation, the inclination angle of insolubles accumulation and bittern concentration.
Step S403 is similar with step S303 phase.
It should be noted that, in upper molten test experiments, the insolubles that pallet is formed after can also accepting rock salt corrosion to be measured.
The salt cave Chu Kuzao chamber parameter test device of the embodiment of the present application and method, it is possible to test the water-soluble parameter of rock salt to be measured and the parameter relevant with cavity form with cavity volume. Wherein, described water-soluble parameter mainly comprises the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured and bittern concentration etc., and the described parameter relevant with cavity form with cavity volume mainly comprises the form after rock salt corrosion to be measured, the form of insolubles accumulation and the inclination angle etc. of insolubles accumulation. Compared with prior art, therefore, the parameter obtained based on test set and the method for the embodiment of the present application can meet the requirement of Chu Kuzao chamber, salt cave design.
Further, in Chu Kuzao chamber, the salt cave parameter test device of the embodiment of the present application, staving can be transparent shape. In Chu Kuzao chamber, the salt cave parameter test method of the embodiment of the present application, one end wax of rock salt to be measured seals, or one end is wrapped up, and rest part all can carry out corrosion. And in prior art, a rock salt to be measured generally only face corrosion, rest part parcel pitch. Compared with prior art, therefore, the salt cave Chu Kuzao chamber parameter test device of the embodiment of the present application and method can observe rock salt corrosion to be measured from all angles easily after form, the inclination angle etc. piled up of the form piled up of insolubles and insolubles.
Although depicting the application by embodiment, those of ordinary skill in the art know, the application has many distortion and change and do not depart from the spirit of the application, it is desirable to appended claim comprises these distortion and change and do not depart from the spirit of the application.
Claims (8)
1. Chu Kuzao chamber, salt cave parameter test device, it is characterised in that, comprising: staving, pallet, collet and cover plate, wherein,
Described staving is transparent shape;
Described cover plate can cover the opening place at described staving, and described cover plate has clamping part, and for clamping rock salt to be measured, when described cover plate covers the opening place at described staving, described clamping part is in the inside of described staving and stretches out downwards;
Described collet is placed on the bottom of described staving inside, and described pallet is placed on the top of described collet.
2. device as claimed in claim 1, it is characterised in that, described cover plate, described pallet and described collet are transparent shape.
3. the method that Chu Kuzao chamber, salt cave parameter is tested by a use device as claimed in claim 1 or 2, it is characterised in that, comprising:
The distilled water of preset vol is poured in staving;
By flat for an end-grain cutting of rock salt to be measured rear wax envelope, then by this end, described rock salt to be measured is placed on described pallet;
Use distilled water that rock salt to be measured is carried out corrosion, obtain the form after the quality after rock salt corrosion to be measured, rock salt corrosion to be measured, the form of insolubles accumulation, the inclination angle of insolubles accumulation and bittern concentration.
4. method as claimed in claim 3, it is characterised in that, form, the inclination angle of insolubles accumulation and the bittern concentration that the quality after described acquisition rock salt to be measured corrosion, the form after rock salt corrosion to be measured, insolubles are piled up, specifically comprises:
Form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the first preset time period, the form after rock salt corrosion to be measured, insolubles are piled up, until reach pre-conditioned till, wherein, described bittern is the aqueous solution formed after distilled water dissolution of minerals salt.
5. method as claimed in claim 3, it is characterised in that, form, the inclination angle of insolubles accumulation and the bittern concentration that the quality after described acquisition rock salt to be measured corrosion, the form after rock salt corrosion to be measured, insolubles are piled up, specifically comprises:
Form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the 2nd preset time period, the form after rock salt corrosion to be measured, insolubles are piled up;
When bittern concentration reaches the 2nd preset concentration, form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the 3rd preset time period, the form after rock salt corrosion to be measured, insolubles are piled up, till bittern concentration reaches the first preset concentration.
6. the method that Chu Kuzao chamber, salt cave parameter is tested by a use device as claimed in claim 1 or 2, it is characterised in that, comprising:
The distilled water of preset vol is poured in staving.
One end of rock salt to be measured is wrapped up, then uses this end of the described rock salt to be measured of clamping of the clamping part on cover plate, and described cover plate is covered the opening place at staving;
Use described distilled water that rock salt to be measured is carried out corrosion, obtain the form after the quality after the corrosion drilling depth of rock salt to be measured, rock salt corrosion to be measured, rock salt corrosion to be measured, the form of insolubles accumulation, the inclination angle of insolubles accumulation and bittern concentration.
7. method as claimed in claim 6, it is characterised in that, form, the inclination angle of insolubles accumulation and the bittern concentration that the quality after described acquisition rock salt to be measured corrosion, the form after rock salt corrosion to be measured, insolubles are piled up, specifically comprises:
Form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the first preset time period, the form after rock salt corrosion to be measured, insolubles are piled up, until reach pre-conditioned till, wherein, described bittern is the aqueous solution formed after distilled water dissolution of minerals salt.
8. method as claimed in claim 6, it is characterised in that, form, the inclination angle of insolubles accumulation and the bittern concentration that the quality after described acquisition rock salt to be measured corrosion, the form after rock salt corrosion to be measured, insolubles are piled up, specifically comprises:
Form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the 2nd preset time period, the form after rock salt corrosion to be measured, insolubles are piled up;
When bittern concentration reaches the 2nd preset concentration, form, the inclination angle of insolubles accumulation and the bittern concentration that quality after obtaining rock salt corrosion to be measured at interval of the 3rd preset time period, the form after rock salt corrosion to be measured, insolubles are piled up, till bittern concentration reaches the first preset concentration.
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| CN108228929A (en) * | 2016-12-15 | 2018-06-29 | 中国石油天然气股份有限公司 | Salt hole air reserved storeroom makes insoluble matter accumulation form Forecasting Methodology and device during chamber |
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| CN111257209A (en) * | 2020-01-23 | 2020-06-09 | 中国矿业大学 | Experimental device for simulating corrosion effect of saturated brine in waste salt cavern on top plate |
| CN111257209B (en) * | 2020-01-23 | 2021-11-19 | 中国矿业大学 | Experimental device for simulating corrosion effect of saturated brine in waste salt cavern on top plate |
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| CN105675806B (en) | 2019-01-18 |
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