CN201874547U - Preparation device for dissolution cavity model of rock salt gas storage - Google Patents
Preparation device for dissolution cavity model of rock salt gas storage Download PDFInfo
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- CN201874547U CN201874547U CN2010206237145U CN201020623714U CN201874547U CN 201874547 U CN201874547 U CN 201874547U CN 2010206237145 U CN2010206237145 U CN 2010206237145U CN 201020623714 U CN201020623714 U CN 201020623714U CN 201874547 U CN201874547 U CN 201874547U
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Abstract
The utility model provides a preparation device for a dissolution cavity model of a rock salt gas storage, which is applied to the technical field of the cavity building of an underground rock salt gas storage. The preparation device mainly comprises a steel body, an upper pressing plate, a supporting shaft and a lower pressing plate, wherein an inner cavity of the steel body is a column body, and is provided with a compaction component; the compaction component comprises the upper pressing plate, the supporting shaft and the lower pressing plate; the upper pressing plate is parallel to the lower pressing plate; the upper pressing plate is connected with the lower pressing plate through the supporting shaft; and the outer wall of the lower pressing plate is in sliding fit with the inner wall of the steel body. The preparation device has the effects that: the dissolution cavity model of the rock salt gas storage can be prepared, has large dimension, and can visually and intuitively reflect the distribution characteristics of rock salt of actual cavity building layers and sections and sandwich layers; the simulation of the water-soluble cavity building engineering of the rock salt gas storage can be carried out; the cavity building mechanism of the rock salt gas storage can be researched; and parameters of the cavity building process can be optimized.
Description
Technical field
The utility model relates to the building technology field of underground natural gas storage, and particularly the chamber is made in the rock salt underground natural gas storage tank, is a kind of device that is used to prepare the molten chamber of rock salt gas storage model.
Background technology
At present, the construction of underground natural gas storage is large-scale, complicated, as to have a multiple target object of construction production, comprise drilling well, make the chamber, gas injection row halogen, annotate gas production, surface construction etc., need the investment of more than one hundred million units, wherein making the chamber technology is the core technology that underground natural gas storage tank, salt cave is built, and is related to the success or failure that salt hole air reserved storeroom is made the chamber, its scheme determination, essential, must carry out sufficient technology and engineering demonstration in earlier stage in construction.
Consider drilling extracting core maximum gauge 100mm, the rock salt yardstick is less, and the core that drilling well obtains can not represent the whole feature of making the chamber interval fully, and the core that adopts drilling well to obtain carries out rock salt and makes the chamber simulated experiment, and the experimental result error is bigger.Therefore, need with reference to on-the-spot actual geology and working condition, adopt and the similar artificial material of natural ore deposit rock physico-mechanical properties, make the salt karst chamber model of large-size in proportion, visual in image reflection is actual makes chamber interval salt deposit and interlayer distribution characteristics, and carries out the water-soluble halogen experiment of adopting in model, finish the simulation of whole process of production, optimize and make the chamber technological parameter, formulate and make the chamber engineering proposal, the chamber construction is made at the guidance scene.
In salt deposit continuous-dissolution process, adopting the process operation optimization of carrying out behind the control procedure dynamic simulation is the important means that realizes molten cavity shape control.Aspect physical analogy, carried out some good tries abroad, focused on rock salt corrosion simulation and convection current diffusion simulations, mainly to obtain the molten basic parameter of salt, for improving the water-soluble salt efficient service of adopting.The rock salt gas storage be built in domestic starting late, be in the elementary stage of fumbling, carry out seldom for shape control analog study, also do not develop corresponding experimental facilities.Aspect the simulation of salt karst cavity shape, according to water-soluble condition of adopting halogen, domestic East China petroleum geology office has carried out some simulated experiments, but owing to restricted by sample condition, influence the accuracy and the authenticity of experimental data, and failed to adopt simultaneously positive and negative circulation injection mode to carry out the simulation of molten chamber.Langfang branch of PetroChina Company Limited. has chosen the on-the-spot rock salt of obtaining (diameter 100mm), considers that the rock salt yardstick of obtaining at the physical condition scene is less, because scale effect cause experimental error big, moreover the rock salt of obtaining can not the whole feature of making the chamber interval of complete reaction.
Therefore, press for the preparation large-size and can reflect the molten chamber of the rock salt gas storage model of making chamber interval feature, utilize the molten chamber model of processing to carry out the rock salt gas storage and make physical analogy in the chamber, optimize and make the chamber technological parameter, formulate the water-soluble chamber scheme of making of rock salt gas storage, instruct rock salt underground natural gas storage tank site operation.
The utility model content
The purpose of this utility model is: the molten chamber of a kind of rock salt gas storage model preparation facilities is provided, can utilizes the model in the molten chamber of pressure testing machine compression moulding rock salt gas storage, the model large-size of preparation and can reproduce the feature that the rock salt gas storage is made chamber salt interval.
The technical solution adopted in the utility model is: the molten chamber of rock salt gas storage model preparation facilities, mainly form by steel body, top board, back shaft and lower platen, it is characterized in that: the inner chamber of steel body is a cylinder shape, inner chamber at the steel body has the compacting parts, the compacting parts comprise top board, back shaft and lower platen, top board is parallel with lower platen, is connected by back shaft 3 at top board and lower platen centre; The inwall of the outer wall of lower platen and steel body is slidingly matched.
Described steel body is formed a tubular steel body relatively by two semicylinders; On the opposite face outer wall of two semicylinders, be welded with junction plate, screw hole is arranged on the junction plate, screw is arranged in the screw hole, by screw two semicylinders are fixed together and form the steel body; The outer wall of steel body is the cylinder bodily form, and the steel intracoelomic cavity is the cylinder bodily form; Described top board, back shaft and lower platen are the cylinder bodily form.
Described steel body is to be fixed together by hold-down screw by two blocks of side steel plates and two blocks of end face steel plates to form the steel body that inner chamber is a cuboid; Two blocks of side steel plates are parallel to each other, and two blocks of end face steel plates are arranged in the end of two blocks of side steel plates, and two blocks of end face steel plates are parallel to each other; Be evenly distributed with screw hole respectively on the end face of two blocks of side steel plates, be evenly distributed with the hole respectively at the two ends of two blocks of end face steel plates, hold-down screw passes the hole of end face steel plate, and is fixed in the screw hole of side steel plate.The steel intracoelomic cavity is a cuboid; Described top board, back shaft are the cylinder bodily form, and the outer wall of lower platen is a cuboid.
The beneficial effects of the utility model: the molten chamber of the utility model rock salt gas storage model preparation facilities, the molten chamber of the rock salt gas storage model that can prepare, actual chamber interval rock salt and the interlayer distribution characteristics made of reflection that yardstick is big and energy is visual in image, can carry out the water-soluble chamber engineering simulation of making of rock salt gas storage, research rock salt gas storage is made chamber mechanism, optimizes and makes the chamber technological parameter.
Description of drawings
Fig. 1 is the molten chamber of a cylinder bodily form rock salt gas storage model preparation facilities schematic diagram.
Fig. 2 is the molten chamber of a cuboid rock salt gas storage model preparation facilities schematic diagram, and the compacting parts do not draw.
Among the figure, 1. steel body, 2. top board, 3. back shaft, 4. lower platen, 5. salt karst chamber cast material, 6. side steel plate, 7. end face steel plate, 8. hold-down screw.
The specific embodiment
Embodiment 1: consult Fig. 1.The molten chamber of rock salt gas storage model preparation facilities is made up of steel body 1, top board 2, back shaft 3 and lower platen 4.The inner chamber of steel body 1 is the cylinder bodily form, diameter 200mm.Steel body 1 is formed a tubular steel body 1 relatively by two semicylinders; On the opposite face outer wall of two semicylinders, be welded with junction plate, screw hole is arranged on the junction plate, screw is arranged in the screw hole, by screw two semicylinders are fixed together and form steel body 1; The outer wall of steel body 1 is the cylinder bodily form, and steel body 1 inner chamber is the cylinder bodily form; Inner chamber at steel body 1 has the compacting parts, and the compacting parts comprise top board 2, back shaft 3 and lower platen 4, and top board 2 is parallel with lower platen 4, and top board 2, back shaft 3 and lower platen 4 are the cylinder bodily form, and top board 2, back shaft 3 are one with lower platen 4.The inwall of the outer wall of lower platen 4 and steel body 1 is slidingly matched.
Embodiment 2: consult Fig. 2.The molten chamber of rock salt gas storage model preparation facilities is made up of steel body 1, top board 2, back shaft 3 and lower platen 4.Steel body 1 is to be fixed together by hold-down screw 8 by two blocks of side steel plates 6 and two blocks of end face steel plates 7 to form the steel body 1 that inner chamber is a cuboid; Two blocks of side steel plates 6 are parallel to each other, and have 7, two blocks of end face steel plates 7 of two blocks of end face steel plates to be parallel to each other in the end of two blocks of side steel plates 6; Be evenly distributed with six screw holes respectively on the end face of two blocks of side steel plates 6, be evenly distributed with six holes respectively at the two ends of two blocks of end face steel plates 7, hold-down screw 8 passes the hole of end face steel plate 7, and is fixed in the screw hole of side steel plate 6.Steel body 1 inner chamber is a cuboid, long 300mm, wide 200mm.Top board 2, back shaft 3 are the cylinder bodily form, and the outer wall of lower platen 4 is a cuboid.Is one at top board 2 with back shaft 3, and back shaft 3 is welded on the lower platen 4.
The molten chamber of summary rock salt gas storage Preparation of model method.Adopt materials such as sodium chloride, earth, according to the actual chamber interval rock salt insolubles content of making, according to certain ratio preparation salt karst chamber cast material 5.Salt karst chamber cast material 5 is placed in the model preparation facilities of the molten chamber of rock salt gas storage, builds the compacting parts, utilize pressure testing machine to keep the constant pressure compacting.
1) chooses the molten chamber of rock salt gas storage model preparation facilities, comprise two kinds of the cylinder bodily form and cuboids, totally four specifications.
The model of the molten chamber of cylinder rock salt gas storage model preparation facilities processing is used for carrying out rock salt gas storage list chamber and makes the chamber engineering simulation, and the model of making has two kinds of specifications: diameter 200mm, height 300mm and diameter 300mm, height 400mm.
The model of the molten chamber of cuboid rock salt gas storage model preparation facilities processing is used for carrying out the connection of rock salt gas storage twin-well and makes the chamber engineering simulation, and the model of making has two kinds of specifications: long 300mm, wide 200mm, high 400mm and long 400mm, wide 300mm, high 400mm.
2) the molten chamber of rock salt gas storage cast material preparation
Adopt materials such as sodium chloride, earth, according to the actual chamber interval rock salt insolubles content of making, according to certain ratio preparation salt karst chamber cast material 5.
3) the molten chamber of compacting rock salt gas storage model
Adopt pressure testing machine to keep constant compression force compacting salt karst chamber model; Constant compression force refers to that on-the-spot actual rock salt makes the mean reservoir pressure of chamber interval.
Claims (3)
1. the molten chamber of rock salt gas storage model preparation facilities, mainly form by steel body (1), top board (2), back shaft (3) and lower platen (4), it is characterized in that: the inner chamber of steel body (1) is a cylinder shape, inner chamber at steel body (1) has the compacting parts, the compacting parts comprise top board (2), back shaft (3) and lower platen (4), top board (2) is parallel with lower platen (4), is connected by back shaft (3) at top board (2) and lower platen (4) centre; The inwall of the outer wall of lower platen (4) and steel body (1) is slidingly matched.
2. the molten chamber of rock salt gas storage according to claim 1 model preparation facilities is characterized in that: described steel body (1) is formed a tubular steel body (1) relatively by two semicylinders; On the opposite face outer wall of two semicylinders, be welded with junction plate, screw hole is arranged on the junction plate, screw is arranged in the screw hole, by screw two semicylinders are fixed together and form steel body (1); The outer wall of steel body (1) is the cylinder bodily form, and steel body (1) inner chamber is the cylinder bodily form; Described top board (2), back shaft (3) and lower platen (4) are the cylinder bodily form.
3. the molten chamber of rock salt gas storage according to claim 1 model preparation facilities is characterized in that: described steel body (1) is to be fixed together by hold-down screw (8) by two blocks of side steel plates (6) and two blocks of end face steel plates (7) to form the steel body (1) that inner chamber is a cuboid; Two blocks of side steel plates (6) are parallel to each other, and in the end of two blocks of side steel plates (6) two blocks of end face steel plates (7) are arranged, and two blocks of end face steel plates (7) are parallel to each other; Be evenly distributed with screw hole respectively on the end face of two blocks of side steel plates (6), be evenly distributed with the hole respectively at the two ends of two blocks of end face steel plates (7), hold-down screw (8) passes the hole of end face steel plate (7), and is fixed in the screw hole of side steel plate (6); Steel body (1) inner chamber is a cuboid; Described top board (2), back shaft (3) are the cylinder bodily form, and the outer wall of lower platen (4) is a cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206237145U CN201874547U (en) | 2010-11-23 | 2010-11-23 | Preparation device for dissolution cavity model of rock salt gas storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206237145U CN201874547U (en) | 2010-11-23 | 2010-11-23 | Preparation device for dissolution cavity model of rock salt gas storage |
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| CN201874547U true CN201874547U (en) | 2011-06-22 |
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| CN2010206237145U Expired - Lifetime CN201874547U (en) | 2010-11-23 | 2010-11-23 | Preparation device for dissolution cavity model of rock salt gas storage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606146A (en) * | 2012-02-21 | 2012-07-25 | 重庆大学 | Salt cavern model test method for simulating multi-interbedded salt rock geological conditions |
| 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 |
| 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 |
| CN105973684A (en) * | 2016-04-27 | 2016-09-28 | 重庆大学 | Test device for pressing large-size molded salt |
| CN106194146A (en) * | 2016-08-09 | 2016-12-07 | 北京矿冶研究总院 | Mining method of underground salt mine |
-
2010
- 2010-11-23 CN CN2010206237145U patent/CN201874547U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606146A (en) * | 2012-02-21 | 2012-07-25 | 重庆大学 | Salt cavern model test method for simulating multi-interbedded salt rock geological conditions |
| CN102606146B (en) * | 2012-02-21 | 2014-12-10 | 重庆大学 | Salt cavern model test method for simulating multi-interbedded salt rock geological conditions |
| 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 |
| 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 |
| CN105973684A (en) * | 2016-04-27 | 2016-09-28 | 重庆大学 | Test device for pressing large-size molded salt |
| CN106194146A (en) * | 2016-08-09 | 2016-12-07 | 北京矿冶研究总院 | Mining method of underground salt mine |
| CN106194146B (en) * | 2016-08-09 | 2018-10-16 | 北京矿冶研究总院 | Mining method of underground salt mine |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20110622 |