CN103295463B - Rock cavity construction simulation test device - Google Patents
Rock cavity construction simulation test device Download PDFInfo
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- CN103295463B CN103295463B CN201310185211.2A CN201310185211A CN103295463B CN 103295463 B CN103295463 B CN 103295463B CN 201310185211 A CN201310185211 A CN 201310185211A CN 103295463 B CN103295463 B CN 103295463B
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Abstract
The invention discloses a rock cavity construction simulation test device which mainly structurally comprises a heat-insulation case and a pressure chamber. The pressure chamber is arranged in the heat-insulation case, the heat-insulation case comprises a shell and a heat-insulation layer arranged on the inner wall of the shell, the pressure chamber comprises a chamber body and a chamber cover fixedly mounted on the chamber body, a support is arranged in the chamber, a rock test piece for constructing a cavity can be placed on the support in a suspension manner, an ambient pressure liquid access connecting pipe and solution access pipes are mounted on a chamber shell of the pressure chamber, a gas access pipe hole is formed in the chamber shell of the pressure chamber, the ambient pressure liquid access connecting pipe is used for forming ambient pressure on the periphery of the rock test piece, the solution access pipes are used for delivering solution for forming the cavity in the rock test piece, the air access pipe hole is used for quickly draining ambient pressure liquid in the pressure chamber by the aid of connected pressure gas, and heating components used for heating the rock test piece are arranged on the outside of the chamber body. The rock cavity construction simulation test device has the advantage that a powerful tool is provided for developing underground rock ore bed cavity construction experiments and acquiring basic data for theoretically guiding underground rock ore bed cavity construction practice.
Description
Technical field
The present invention relates to subsurface rock layer molten chamber building technology, more specifically, relate to the molten chamber of a kind of lithosphere and build simulation test device.
Background technology
Be distributed with a large amount of rock salt and ls ore bed in the earth's crust, a few km is not etc. from earth's surface to underground for the distribution of these rock stratum.In rock salt mine, sodium chloride content is usually higher, therefore by water is injected underground rock salt mine, rock salt is dissolved, and then the bittern after dissolving is extracted out, finally can form very large molten chamber in rock salt ore bed.Molten chamber in rock salt ore bed has been widely used in oil and natural gas storage at present and discarded object is deposited.Ls ore bed, because ls can react with the water being dissolved with carbon dioxide under certain condition, therefore can the CO 2 waste gas produced in commercial production be dissolved in water, then inject ls ore bed by dissolving in the water having carbon dioxide, in ls ore bed, building molten chamber.No matter build molten chamber at rock salt ore bed, or build molten chamber in ls ore bed, these ore beds that can be used for building in molten chamber are usually all buried in underground, are all in certain temperature and elevated pressures environment.Molten chamber in current rock ore bed is built, and all do not having to carry out under basic data and theoretical direction, building course tool bears the character of much blindness, and in subsurface rock ore bed, therefore builds the process in molten chamber all slowly, and cost is very high.In view of in current rock ore bed, the construction of molten chamber lacks basic data and theoretical direction, obtains corresponding molten chamber and builds simulation test basic data, and then instruct the construction practice of subsurface rock ore bed molten chamber to be very urgent and necessary by test.Obtain the data that the molten chamber of subsurface rock ore bed can be instructed to build practice, test must environment temperature in simulate formation rock ore bed and environmental stress, and the building course in molten chamber, otherwise the test figure obtained does not have directive function.But the testing equipment carrying out test like this can be provided at present deficienter, particularly carry out the testing equipment that simulated experiment is built in the molten chamber of large scale rock test specimen, according to the inventors knowledge, also not have such testing equipment to come out at present.
Summary of the invention
For the present situation of subsurface rock ore bed molten chamber building technology, object of the present invention aims to provide a kind of can construction the molten chamber of the rock of environment and build test unit in the molten chamber of simulate formation rock ore bed, build test to carry out the molten chamber of subsurface rock ore bed, build practice for instructing the molten chamber of subsurface rock ore bed theoretically and basic data is provided.
Rock cavity construction simulation test device provided by the invention, its structure mainly comprises thermal-insulating body and is arranged on the pressure chamber in thermal-insulating body, described thermal-insulating body is made up of housing and the heat-insulation layer be arranged in inner walls, described pressure chamber is made up of chamber body and the Pit cover be fixedly mounted in chamber body, be designed with for the unsettled support laying the rock block test specimen building molten chamber in chamber, the chamber housing of pressure chamber is provided with the confined pressure liquid turnover adapter for forming confined pressure around rock sample, conveying forms the lysate inlet/outlet pipe in molten chamber and passes in and out pore for discharge pressure chamber room air and by the gas that the confined pressure liquid in pressure chamber is discharged rapidly by pressed gas in test specimen rock block, chamber body is outside equipped with the heater for heating test specimen rock block, described gas turnover pore is equipped with seal plug.
In order to realize object of the present invention better, the present invention also can take following technical measures further.The following technical measures can be taked separately, also may be combined with and take, take even in the lump.
In technique scheme of the present invention, described pressure chamber preferentially can consider that the suspended structure be designed by chamber body is arranged in thermal-insulating body with the hanger be fixed on thermal-insulating body is unsettled.
In technique scheme of the present invention, described support is preferably the support of adjustable rock block test specimen flying height, can become to be fixedly mounted on the adjuster bar that Pit cover is no less than 3 by upper end and to be fixedly mounted on adjuster bar lower end and form for the pallet placing rock block test specimen by decision design; Further decision design becomes 4 adjuster bars be fixedly mounted on Pit cover by upper end to form with the pallet be fixedly mounted under adjuster bar, and described adjuster bar is paid the utmost attention to and adopted screw thread adjustment telescopic loop bar.
In technique scheme of the present invention, described chamber body and Pit cover can be adopted and be bolted together, and namely chamber body and Pit cover are fixedly installed togather by the be positioned at threaded hole in chamber body, the bolt mounting holes on Pit cover and the bolt of matched design.Described chamber body and Pit cover also can adopt Snap ring structure to be fixed together, namely by being positioned at annular groove in chamber body, with the snap ring of annular groove matched design and the locating ring that matches with snap ring inner ring surface, chamber body and Pit cover being fixedly installed togather, it is that the ring lobe of parallel surface is formed that described snap ring can be fitted to each other face by least four, preferentially adopts that to be fitted to each other face by four be the snap ring that the ring lobe of parallel surface is formed.
In technique scheme of the present invention, the lysate inlet/outlet pipe that described conveying forms molten chamber in test specimen rock block can be sleeve pipe, what the central tube of sleeve pipe can be lysate enters pipe or the mixed liquor vent pipe after dissolving, the mixed liquor vent pipe after the circulating line of sleeve pipe can be dissolving or lysate enter pipe; Also can be two independently to manage, one pipe for lysate enter pipe, another root pipe be dissolve after mixed liquor vent pipe.Preferential employing sleeve structure.
In technique scheme of the present invention, what described chamber body was arranged outward preferentially adopts resistive heater for the heater heating test specimen rock block.
In technique scheme of the present invention, the housing of described thermal-insulating body is preferably designed to be made up of case frame and the housing cover be fixed on case frame.Housing adopts this design, under warranty test device intensity prerequisite, greatly can reduce weight and the cost of experimental provision.
The present invention also takes some other technical measures, as the chamber body of pressure chamber and Pit cover are all designed with the structure for lifting by crane; Confined pressure liquid turnover adapter is arranged at the bottom of the room of chamber body; Lysate inlet/outlet pipe and gas inlet/outlet pipe hole are arranged on Pit cover.
The present invention is specially designed is equipped with the gas of seal plug to pass in and out pore two effects, and one is the air of discharge pressure indoor when injecting confined pressure liquid in pressure chamber; Two is in pressure chamber, inject pressure-air by gas turnover pore, thus the confined pressure liquid in pressure chamber is discharged rapidly, and after the confined pressure liquid in pressure chamber is discharged the pressure-air of relief pressure indoor.
Rock cavity construction simulation test device provided by the invention, be used in the simulation test that molten chamber built by large scale rock test specimen, build in molten chamber in test, not only can by true ore bed condition simulation ore bed temperature and ore bed stress field, molten chamber building course in all right simulation rock ore bed, inquire into the relation of the utilization ratio of the outlet of lysate input pipe and dissolving mixed liquor vent pipe import layout and lysate, obtain the basic data instructing the molten chamber of subsurface rock ore bed to build practice.The present invention completely solves prior art builds the rock molten chamber construction test of environment test unit scarcity due to the molten chamber of simulate formation rock ore bed, particularly do not have to carry out the testing equipment that simulation test is built in the molten chamber of large scale rock test specimen, cause and can not carry out rock molten chamber construction simulation test, and then cannot be provided for instructing the molten chamber of subsurface rock ore bed to build a difficult problem for the basic data of practice theoretically.Of the present invention open, fill up prior art and do not carried out the blank that simulation experiment device is built in the molten chamber of large scale rock test specimen, greatly facilitate the progress of rock molten chamber building technology.
Accompanying drawing explanation
Accompanying drawing 1 is the one-piece construction schematic diagram of an embodiment of simulation test device of the present invention.
Accompanying drawing 2-1 is the sectional structure schematic diagram of cavity lid described in simulation test device in accompanying drawing 1.
Accompanying drawing 2-2 is the plan structure schematic diagram of cavity lid in accompanying drawing 2-1.
Accompanying drawing 3 is one-piece construction schematic diagram of another embodiment of simulation test device of the present invention.
Accompanying drawing 4-1 is the plan structure schematic diagram of locating ring described in simulation test device in accompanying drawing 3.
Accompanying drawing 4-2 is the sectional structure schematic diagram of locating ring described in accompanying drawing 4-1.
Accompanying drawing 5-1 is the plan structure schematic diagram of snap ring described in simulation test device in accompanying drawing 3.
Accompanying drawing 5-2 is the sectional structure schematic diagram of snap ring in accompanying drawing 5-1.
Accompanying drawing 6-1 is the plan structure schematic diagram of cavity lid described in simulation test device in accompanying drawing 3.
Accompanying drawing 6-2 is the sectional structure schematic diagram of cavity lid in accompanying drawing 5-1.
Accompanying drawing 7-1 is the hanging device front view for simulation test device of the present invention.
Accompanying drawing 7-2 is the hanging device vertical view for simulation test device of the present invention.
Accompanying drawing 7-1 is the hanging device side view for simulation test device of the present invention.
In above-mentioned accompanying drawing, the object of each shown by reference numeral mark is respectively: 1-hanging device frame; 2-thermal-insulating body; 3-housing; 4, heat-insulation layer; 5-Pit cover; 6-O-ring seal; 7-hanger; 8-box frame; 9-heater; 10, chamber body; 11-adjuster bar; 12-test specimen; 13-pallet; 14-confined pressure liquid turnover adapter; 15-seal plug; 16-lysate inlet/outlet pipe; 17-seal groove; 18-snap ring; 19-locating ring.
Embodiment
Illustrate below in conjunction with accompanying drawing and provide embodiments of the invention, and the present invention is further illustrated, so that understand the present invention more easily by embodiment.But it needs to be noted; the specific embodiment of the present invention is not limited to the form below described by embodiment; those skilled in the art is not when paying creative work; also can design other embodiment easily; therefore the embodiment of embodiment given below should be interpreted as protection scope of the present invention, protection scope of the present invention is limited in given embodiment.
Embodiment 1
The rock cavity construction simulation test device of the present embodiment, its structure is as shown in accompanying drawing 1, accompanying drawing 2-1 and accompanying drawing 2-2, comprise thermal-insulating body 2 and pressure chamber, pressure chamber is arranged on thermal-insulating body by the suspended structure be positioned in chamber body with the hanger 7 be fixed on thermal-insulating body is unsettled.Described thermal-insulating body is made up of housing 3 and the heat-insulation layer 4 be arranged in inner walls, and wherein the housing of thermal-insulating body is made up of case frame 8 and the housing cover be fixed on case frame.Described pressure chamber is made up of chamber body 10 and the Pit cover 5 be fixedly mounted in chamber body, and chamber body 10 and Pit cover are fixedly installed togather by the be positioned at threaded hole in chamber body 10, the mounting hole on Pit cover and the bolt of matched design.Be designed with for the unsettled support laying the rock block test specimen 12 building molten chamber in pressure chamber, confined pressure liquid turnover adapter 14 for forming confined pressure around rock sample is installed bottom the chamber body of pressure chamber, Pit cover is provided with conveying in test specimen rock block, form the lysate inlet/outlet pipe 16 in molten chamber and pass in and out pore for discharge pressure chamber room air and by the gas that the confined pressure liquid in pressure chamber is discharged rapidly by pressed gas, described gas turnover pore is equipped with seal plug 15, the resistive heater 9 for heating test specimen rock block is outside equipped with in chamber body.Described support is the support of adjustable rock block test specimen flying height, be fixedly mounted on 4 adjuster bars 11 on Pit cover 5 by upper end and be fixedly mounted on adjuster bar lower end and form for the pallet 13 placing rock block test specimen, described adjuster bar is screw thread adjustment telescopic loop bar.The described lysate inlet/outlet pipe 16 be arranged on Pit cover is coaxial sleeve, and the central tube of sleeve pipe is the pipe that enters of lysate, and the chuck circulating line of sleeve pipe is the mixed liquor vent pipe after dissolving.The face of cylinder that Pit cover matches with chamber body is designed with the seal groove 17 settling seal 6.
Embodiment 2
The rock cavity construction simulation test device of the present embodiment, its structure is as shown in accompanying drawing 3, accompanying drawing 4-1 and accompanying drawing 4-2, accompanying drawing 5-1 and accompanying drawing 5-2, accompanying drawing 6-1 and accompanying drawing 6-2, substantially identical with the structure of the rock cavity construction simulation test device in embodiment 1, difference place one is that the Pit cover 5 of pressure chamber is different from chamber body 10 fixed sturcture, and two is that the structure of lysate inlet/outlet pipe 16 is different.In the rock cavity construction simulation test device of the present embodiment, Pit cover 5 and chamber body are by the annular groove in chamber body, are fixedly installed togather with the snap ring 18 of annular groove matched design and the locating ring 19 that matches with snap ring inner ring surface, and it is that the ring lobe of parallel surface is formed that described snap ring is fitted to each other face by four.When Pit cover and chamber body are installed, by Pit cover after chamber body port is placed into position, first only have the snap ring lobe in a notches fit face to be placed in the annular groove in chamber body by two, insert after putting in place, there is the snap ring lobe in two notches fit faces to be placed in the annular groove in chamber body again by two, insert after putting in place, snap ring locating ring 19 is placed in snap ring 18, is fixedly installed togather by Pit cover and chamber body.The lysate inlet/outlet pipe 16 of the present embodiment is two pipes of two independent design, wherein one for lysate enter pipe, another root be dissolve after mixed liquor vent pipe.
Claims (9)
1. a rock cavity construction simulation test device, it is characterized in that the pressure chamber comprising thermal-insulating body (2) and be arranged in thermal-insulating body, described thermal-insulating body is made up of housing (3) and the heat-insulation layer (4) be arranged in inner walls, described pressure chamber is made up of chamber body (10) and the Pit cover (5) be fixedly mounted in chamber body, be designed with for the unsettled support laying the rock block test specimen (12) building molten chamber in chamber, the chamber housing of pressure chamber is provided with confined pressure liquid turnover adapter (14) for forming confined pressure around rock sample, conveying forms the lysate inlet/outlet pipe (16) in molten chamber and passes in and out pore for discharge pressure chamber room air and by the gas that the confined pressure liquid in pressure chamber is discharged rapidly by Bonding pressure gas in test specimen rock block, chamber body is outside equipped with the heater (9) for heating test specimen rock block, described gas turnover pore is equipped with seal plug (15), described chamber body (10) and Pit cover (5) are by being positioned at the annular groove in chamber body, be fixedly installed togather with the snap ring (18) of annular groove matched design and the locating ring (19) that matches with snap ring inner ring surface, it is that the ring lobe of parallel surface is formed that described snap ring is fitted to each other face by least four.
2. rock cavity construction simulation test device according to claim 1, is characterized in that, described pressure chamber is arranged in thermal-insulating body with the hanger (7) be fixed on thermal-insulating body is unsettled by the suspended structure in chamber body.
3. rock cavity construction simulation test device according to claim 1, it is characterized in that, described support is the support of adjustable rock block test specimen flying height, is fixedly mounted on the adjuster bar (11) that Pit cover (5) is no less than 3 and is fixedly mounted on adjuster bar lower end to form for the pallet (13) placing rock block test specimen by upper end.
4. rock cavity construction simulation test device according to claim 3, it is characterized in that, described support is fixedly mounted on 4 adjuster bars (11) on Pit cover (5) by upper end and the pallet under being fixedly mounted on adjuster bar (13) is formed, and described adjuster bar is screw thread adjustment telescopic loop bar.
5. rock cavity construction simulation test device according to claim 1, it is characterized in that, described chamber body (10) and Pit cover (5) are fixedly installed togather by the be positioned at threaded hole in chamber body (10), the bolt mounting holes on Pit cover and the bolt of matched design.
6. according to the rock cavity construction simulation test device one of claim 1 to 5 Suo Shu, it is characterized in that, the lysate inlet/outlet pipe that described conveying forms molten chamber in test specimen rock block is coaxial sleeve, the central tube of sleeve pipe be lysate enter pipe or the mixed liquor vent pipe after dissolving, the circulating line of sleeve pipe be mixed liquor vent pipe after dissolving or lysate enter pipe.
7. according to the rock cavity construction simulation test device one of claim 1 to 5 Suo Shu, it is characterized in that, the lysate inlet/outlet pipe that described conveying forms molten chamber in test specimen rock block is two and independently manages, one pipe for lysate enter pipe, another root pipe be dissolve after mixed liquor vent pipe.
8. according to the rock cavity construction simulation test device one of claim 1 to 5 Suo Shu, it is characterized in that, what described chamber body was arranged outward is resistive heater for heating the heater (9) of test specimen rock block.
9. according to the rock cavity construction simulation test device one of claim 1 to 5 Suo Shu, it is characterized in that, the housing of described thermal-insulating body is made up of case frame (8) and the housing cover be fixed on case frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310185211.2A CN103295463B (en) | 2013-05-17 | 2013-05-17 | Rock cavity construction simulation test device |
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| CN201310185211.2A CN103295463B (en) | 2013-05-17 | 2013-05-17 | Rock cavity construction simulation test device |
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| CN103295463A CN103295463A (en) | 2013-09-11 |
| CN103295463B true CN103295463B (en) | 2015-02-18 |
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| CN106781960B (en) * | 2015-11-21 | 2019-04-09 | 湖南工程职业技术学院 | A kind of shallow well the situation teaching area implementation method in the school |
| CN106781959B (en) * | 2015-11-21 | 2019-04-16 | 湖南工程职业技术学院 | A kind of exploratory trench engineering the situation teaching area implementation method in the school |
| CN105911253B (en) * | 2016-05-23 | 2018-06-12 | 中国科学院武汉岩土力学研究所 | Rock salt cavern interlayer collapses simulation test device and simulation experiment method |
| CN108954012B (en) * | 2018-07-06 | 2019-10-11 | 中国石油大学(北京) | For simulating the hanging test experience platform of buried pipeline |
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| JP2919111B2 (en) * | 1991-04-11 | 1999-07-12 | 三井建設株式会社 | Athletic structure |
| RU2353000C1 (en) * | 2007-12-12 | 2009-04-20 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Test bench for investigation of parameters of chain gate for ore chute |
| MX2010001447A (en) * | 2010-02-05 | 2011-08-31 | Mario Berriel Alvarado | Oil-drilling simulation device. |
| CN102352735B (en) * | 2011-06-29 | 2015-03-11 | 中国科学院广州能源研究所 | Natural-gas hydrate three-dimensional experimental device and three-dimensional simulated experimental method |
| CN202560323U (en) * | 2012-05-11 | 2012-11-28 | 中国石油天然气股份有限公司勘探开发研究院廊坊分院 | Experimental device for visual physical simulation and morphological control of multi-sandwich salt cavern cavity construction |
| CN203242237U (en) * | 2013-05-17 | 2013-10-16 | 四川大学 | Rock cavern construction simulation test device |
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