CN110320104A - It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method - Google Patents

It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method Download PDF

Info

Publication number
CN110320104A
CN110320104A CN201910610121.0A CN201910610121A CN110320104A CN 110320104 A CN110320104 A CN 110320104A CN 201910610121 A CN201910610121 A CN 201910610121A CN 110320104 A CN110320104 A CN 110320104A
Authority
CN
China
Prior art keywords
water
cooling
burner hearth
rock
case
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910610121.0A
Other languages
Chinese (zh)
Other versions
CN110320104B (en
Inventor
杨磊
李玮枢
张霄
盛祥超
张耀磊
李让杰
荣佑辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University
Original Assignee
Shandong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN201910610121.0A priority Critical patent/CN110320104B/en
Publication of CN110320104A publication Critical patent/CN110320104A/en
Application granted granted Critical
Publication of CN110320104B publication Critical patent/CN110320104B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/42Low-temperature sample treatment, e.g. cryofixation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44Sample treatment involving radiation, e.g. heat
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/006Crack, flaws, fracture or rupture
    • G01N2203/0067Fracture or rupture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058Kind of property studied
    • G01N2203/0069Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0075Strain-stress relations or elastic constants
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/025Geometry of the test
    • G01N2203/0252Monoaxial, i.e. the forces being applied along a single axis of the specimen

Abstract

The present invention relates to it is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method, including outer case, the burner hearth that outer surface is adjacent to outer case inner surface is equipped with inside outer case, burner hearth inner space is connected to one end of cooling liquid inlet pipe and coolant outlet, cooling liquid inlet pipe and the coolant outlet other end are connected to outer case exterior space, the top of outer case and burner hearth through have can on, the axis of lower movement-Water hydraulic static pressure loading mechanism, axis-Water hydraulic static pressure loading is in-house to have water filling runner, for to rock sample internal water flooding, bottom in burner hearth is fixed with load carrier, the burner hearth is equipped with heating element, for being heated to the rock sample in burner hearth, the test of rock sample is carried out using loading device of the present invention, test result is accurate, test efficiency is higher.

Description

It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method
Technical field
The present invention relates to one kind can the cooling rock multi- scenarios method test integrated loading device of water and method.
Background technique
The development and utilization of hot dry rock are for solving energy shortages, improving the ecological environment, social sustainable development is promoted to have Significance.Hot dry rock, which develops and uses, is related to deep formation stress field, seepage field and the coupled problem in temperature field, and deep rock Gu mechanical characteristic of body under the conditions of heat-stream-multi- scenarios method and fracture behaviour directly affect hot dry rock development and utilization efficiency and The success or failure of reservoir reconstruction.
Gu generalling use interior at present since the fault mechanics behavior of rock mass under the conditions of heat-stream-multi- scenarios method is extremely complicated Test method carries out High temperature rocks mechanical characteristic, High temperature rocks meet the related basic researches such as the cooling property-deterioration of water, hydraulic fracturing. Existing testing equipment analog high temperature, high pressure and pore water pressure loading environment, but there are still some shortcomings for inventor's discovery, it is main It include: when 1) carrying out high heat rock mass water cooling deterioration test using existing apparatus, it usually needs by high temperature test specimen from heating device Middle taking-up is placed on cooling in water, and the heat loss as caused by cross-ventilation and rock property variation are difficult to estimate during being somebody's turn to do, A degree of error is brought to test result;2) existing apparatus mostly uses greatly the mode of Resistant heating hydraulic oil, due to oil Warm cooling and oil extraction time are long, and test efficiency is significantly restricted;3) existing most of apparatus functions are more single, only The axis pressure and the load of three axis under coupling environment can be simulated, cannot achieve the test functions such as tensile strength and hydraulic fracturing.
Summary of the invention
It can the cooling rock multi- scenarios method test of water the purpose of the present invention is in order to overcome the deficiencies of the prior art, providing one kind Integrated loading device realizes that High temperature rocks are deteriorated in the indoor chance water cooling of same heating, and is able to carry out high temperature or high-temperature water cooling The uniaxial compression of rock sample, Brazil's splitting and hydraulic fracturing test afterwards.
To achieve the above object, the present invention adopts the following technical solutions:
It is a kind of can the cooling rock multi- scenarios method of water test integrated loading device, including outer case, be equipped with inside outer case Outer surface is adjacent to the burner hearth of outer case inner surface, one end company of burner hearth inner space cooling liquid inlet pipe and coolant outlet Logical, cooling liquid inlet pipe and the coolant outlet other end are connected to outer case exterior space, are passed through at the top of outer case and burner hearth It is installed with the axis-Water hydraulic static pressure loading mechanism that can be moved above and below, axis-Water hydraulic static pressure loading is in-house to have water filling runner, for trying to rock Part internal water flooding, the bottom in burner hearth are fixed with load carrier, and the burner hearth is equipped with heating element, for the rock in burner hearth Stone test specimen is heated.
Further, the tank wall of the outer case includes outer layer plate and the inner layer heat-insulation layer inside outside plate, First cooling tube is installed, outer layer plate opens up through-hole, external for the first cooling tube between outer layer plate and inner layer heat-insulation layer Water pump injects coolant liquid and discharge coolant liquid, and first cooling tube is as safety stock for cooling down to outer case.
Further, the outer case is provided with opening, and the burner hearth at aperture position is provided with fire door, and fire door is reserved with sight Hole is examined, for observing situation in burner hearth.
Further, it is equipped with chamber inside the furnace wall of the burner hearth, the heating element is arranged in the chamber, institute It states and is additionally provided with air cooler in chamber, for cooling down to heating element, matcoveredn is arranged in the medial surface of the furnace wall of burner hearth.
Further, the burner hearth inner space also passes through relief tube and is connected to exterior space, and the relief tube can be prevented Internal pressure is excessive when only cooling down damages experimenter.
Further, the axis-Water hydraulic static pressure loading mechanism includes running through the top of burner hearth and outer case and protruding into inside burner hearth Load bar, described load bar one end connect with the water filling cushion block being located at outside outer case, the load plate in the other end and burner hearth Groove is reserved in connection, the load plate bottom, and groove is arranged concentrically with water filling runner, described to add for placing sealing rubber ring It carries bar medium position and is fixed with the second cooling tube, second cooling tube is connected to the first cooling tube, and first cooling tube is stretched Entering part inside load bar is copper pipe, and the part being connected with load bar outer wall is deformable fibre pipe, the water filling cushion block and There is water filling runner inside load bar.
Further, the load carrier includes across outer case and roof of the furnace and protruding into the carrier bar in burner hearth, institute It states carrier bar one end and is connect with the loading plate being located in burner hearth, the other end is connect with the carrying support being located at outside outer case, institute It states carrier bar medium position and is fixed with third cooling tube, it is copper pipe that the third cooling tube, which protrudes into the part inside carrier bar, with The connected part of carrier bar outer wall is deformable fibre pipe.
Further, it is described can the cooling rock multi- scenarios method test integrated loading device of water further include temperature control dress It sets, the temperature control equipment includes the first temperature sensor and second temperature sensor, and first temperature sensor is used for The temperature of rock sample is measured, the second temperature sensor is used to measure the temperature of burner hearth internal cavities, first temperature Sensor and second temperature sensor are connect with temperature control box, and the temperature information that will test passes to temperature control box, the temperature control box It is able to pass through the controller control heating element work.
The invention also discloses it is a kind of using can the cooling rock multi- scenarios method test integrated loading device of water operation side Method, comprising the following steps:
Step 1: by can the cooling rock multi- scenarios method test integrated loading device of water be placed in the work of uni-axial press On platform.
Step 2: rock sample being placed on load carrier, axis-Water hydraulic static pressure loading mechanism and uni-axial press press machine Structure contact, axis-Water hydraulic static pressure loading mechanism and load carrier compress rock sample.
Step 3: starting heating element work is heated rock sample, is carried out as needed after reaching target temperature Uniaxial pressure stretch contracting test or Hydraulic Fracturing Tests or Brazilian diametral compression test, or cooling is passed through into burner hearth after reaching target temperature Liquid cools down rock sample, carries out water uniaxial compression test after cooling or hydraulic fracturing test after drying as needed Or Brazilian diametral compression test.
Further, when carrying out uniaxial compression test under target temperature, firstly, rock sample is made to rise to target temperature, After reaching target temperature, adjustment press machine carries out uniaxial compression test, tests in the process the stress of record rock in real time and answers Parameter evidence.After carrying out high-temperature water cooling when uniaxial compression test, after rock sample reaches target temperature, it is passed through into burner hearth cold But liquid cools down rock sample, and press machine is readjusted after drying and carries out uniaxial compression test to rock sample, was tested The stress and strain data of rock are recorded in journey in real time.
Further, before carrying out hydraulic fracturing test, flood pattern is connect with axis-Water hydraulic static pressure loading mechanism, in load plate Groove places sealing rubber ring, and embedment extend out to the casing outside rock sample in advance when rock sample makes, and casing protrudes into It fills the water in runner, is sealed using sealing rubber ring.When carrying out hydraulic fracturing test under target temperature, first by rock sample It is heated to target temperature and readjusting press machine compresses rock sample, then adjust flood pattern hydraulic pressure progress high temperature and be lauched Fracturing test is pressed, recordable hydraulic pressure-time graph during test.When hydraulic fracturing is tested after carrying out high-temperature water cooling, rock After stone test specimen reaches target temperature, it is passed through coolant liquid into burner hearth, rock sample is cooled down, pressure is readjusted after drying Machine compresses rock sample, and adjustment flood pattern hydraulic pressure carries out Hydraulic Fracturing Tests under high temperature, recordable hydraulic pressure-during test Time graph.
Further, before carrying out Brazilian diametral compression test, cleave clamp rock sample using Brazil, by rock sample with Brazil's splitting fixture is placed on load carrier jointly.When carrying out Brazilian diametral compression test at current temperature, rock is heated first Test specimen reaches target temperature, and then adjusting uni-axial press makes it carry out Brazilian diametral compression test, tests in the process note in real time Record rock stress and axial deformation.After carrying out high temperature and meeting water cooling when Brazilian diametral compression test, rock sample reaches target temperature Afterwards, it is passed through coolant liquid into burner hearth, opens simultaneously relief tube, rock sample is cooled down, press machine is readjusted after drying Brazilian diametral compression test is carried out, record rock sample stress and axial deformation in real time during test.
Beneficial effects of the present invention:
1. the configuration of the present invention is simple, operation are convenient, there is stronger integration and comprehensive, may be implemented to carry out rock sample The function of being tested after (0 DEG C~300 DEG C) and water are cooling under the high temperature conditions, and test specimen be heated or cooled in burner hearth into Row, it is not necessary that rock sample is taken out, avoid be heated or cooled in the prior art rock sample needs be drawn off and caused by Error improves the precision of test result.
2. the present invention is arranged in the cavity of burner hearth using heating element, rock sample is carried out using radiant heat transfer mode Heating, can be taken out at once after heating by fixture, avoided and heated rock in turn using Resistant heating hydraulic oil in the prior art Oil temperature length cooling time, the oil extraction time long defect low with test efficiency present in stone test specimen.
3. present invention cooperation uni-axial press uses, high pressure injector is connected by water filling cushion block and applies hydraulic pressure, can be carried out Uniaxial compression test, hydraulic fracturing test and Brazilian diametral compression test of the rock sample under the conditions of high temperature or cooling water.
4. the present invention uses temperature control box, it is able to carry out temperature control and test data record, it is bent by analysis Temperature-time Line and stress-strain diagram etc., can analyze the mechanical property of rock sample after different temperatures and the state of cooling, fracture behaviour and its Changing rule provides theory support and technological guidance for deep energy extraction.
5. of the invention have the first cooling tube, can be passed through coolant liquid by external pump, tank wall to outer case and It is cooled down inside burner hearth, heat is prevented to be dispersed into external environment by tank wall, avoid the scald to operator.Together When, test accuracy is improved, test efficiency is accelerated.
6. be respectively equipped with the second cooling tube and third cooling tube on load bar and carrier bar of the invention, the second cooling tube and Third cooling tube is connected to the first cooling tube, can prevent load bar or carrier bar that high temperature heat is transferred in external environment.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is 1 overall structure diagram of the embodiment of the present invention;
Fig. 2 is that the embodiment of the present invention 1 carries out overall structure diagram when uniaxial compression test;
Fig. 3 is that the embodiment of the present invention 1 carries out overall structure diagram when hydraulic fracturing test;
Fig. 4 is that the embodiment of the present invention 1 carries out overall structure diagram when Brazilian diametral compression test.
Wherein, 1. outer case, 2. fire doors, 3. peep holes, 4. temperature control boxs, 5. water filling cushion blocks, 6. load bars, 7. carrying branch Seat, 8. outer layer plates, 9. cooling liquid inlet pipes, 10. first cooling tubes, 11. inner layer heat-insulation layers, 12. furnace walls, 13. heating elements, 14. the first temperature sensor, 15. protective layers, 16. second temperature sensors, 17. third loaded segments, 18. second loaded segments, 19. Second cooling tube, 20 first loaded segments, 21. load plates, 22. rock samples, 23. loading plates, 24. first carrying sections, 25. is cooling Liquid outlet, 26. second carrying sections, 27. thirds carrying section, 28. casings, 29, Brazil's splitting fixture, 30 relief tubes, 31. thirds Cooling tube.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the present invention, only expression and attached drawing itself Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the present invention and simplification retouch It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation, Therefore it is not considered as limiting the invention.
As background technique is introduced, the existing test for probing into the mechanical property of rock under stream-solid-head coupled environment There is certain deficiency in device, test result has error, and test efficiency is low, and has a single function, in view of the above-mentioned problems, the application mentions Having gone out one kind can the cooling rock multi- scenarios method test integrated loading device of water.
In a kind of exemplary embodiment embodiment 1 of the application, as shown in Figs 1-4, it is a kind of can cooling more, rock of water Coupling test integrated loading device has burner hearth, institute in the cavity of the outer case 1 including the internal outer case 1 with cavity The outer surface for stating burner hearth is adjacent to the inner surface of outer case 1 to be connect, and the burner hearth is connected with the cooling being connected to its inner space Liquid inlet tube 9 and coolant outlet 25, the cooling liquid inlet pipe 9 and coolant outlet 25 pass through 1 tank wall of outer case with External world's connection, the cooling liquid inlet pipe 9 are connected to the top in space in burner hearth, the coolant outlet 25 and sky in burner hearth Between bottom connection, the top of the outer case 1 and burner hearth is through having the axis-Water hydraulic static pressure loading mechanism that can be moved above and below, axis-water Pressing inside loading mechanism has water filling runner, for being filled the water inside rock sample 22, the bottom end of the burner hearth to be fixed with Load carrier, the burner hearth are also equipped with heating element 13, the heating element 13 be used for the rock sample 22 in burner hearth into Row heating.
Inner layer heat-insulation layer 11 of the tank wall of the outer case 1 by outer layer plate 8 and inside outer layer plate forms, described Inner layer heat-insulation layer is made of heat-insulating material, and inner layer heat-insulation layer 11 is for reducing burner hearth temperature outside, improvement ambient enviroment.Outer layer First cooling tube 10 is installed between steel plate 8 and inner layer heat-insulation layer 11, first cooling tube 10 as safety stock for pair Outer case 1 is cooled down and ensures that 8 temperature of outer layer plate is in laboratory technician and can bear safe temperature, and 8 side of outer layer plate opens two Locate through-hole, for the outer water pump injection coolant liquid of the first cooling tube 10 and discharge coolant liquid.The outer case 1 is provided with opening, Burner hearth at aperture position is equipped with fire door 2, and fire door 2 is made of steel plate and heat-insulating and sealing material and is reserved with peep hole 3, observes Hole 3 is sealed with mica sheet and heat-barrier material, for observing situation in burner hearth.
The burner hearth is connect with outer case 1, and the furnace wall 12 of burner hearth is constituted using refractory material, can absorb rock sample 22 The pernicious gas given out, and it is able to bear extremely cold and very hot phenomenon, cavity, the cavity are equipped in the furnace wall 12 of the burner hearth Interior to be equipped with heating element 13, the heating element 13 uses heating rod, is additionally provided with air cooler, the air cooler in the cavity For preventing the high-temperature oxydation of heating rod, the inner surface of the furnace wall 12 is laid with protective layer 15, and the protective layer 15 is detachable, can 15 thickness of protective layer is selected according to cooling temperature, protective layer 15, which uses, to be had high thermal conductivity, corrosion resistance and have certain Strength materials are made (such as copper material), the landwaste and water cooling that the protective layer 15 can prevent rock sample 22 from splashing when destroying The pressure generated when but damages burner hearth.The furnace wall 12 of the upper and lower part there are coaxial centre bore, top Centre bore is as the channel for adding axis-Water hydraulic static pressure loading mechanism to move up and down, channel of the centre bore of lower section as installation load carrier.
The cooling liquid inlet pipe 9 passes through the furnace wall 12 of outer case 1 and burner hearth, for being passed through coolant liquid to burner hearth inside, Make burner hearth fast cooling.Sealing ring is equipped between the tank wall of the furnace wall 12 and outer case 1 of cooling liquid inlet pipe 9 and burner hearth, simultaneously Valve is installed in the pipeline section for stretching out outer case 1, the coolant outlet 25 passes through outer case 1 and burner hearth, coolant outlet 25, for the coolant liquid in burner hearth to be discharged, set between the tank wall of the furnace wall 12 and outer case 1 of coolant outlet 25 and burner hearth There is sealing ring, while valve being installed in the pipeline section for stretching out outer case 1, the burner hearth inner space also passes through relief tube 30 and outer container The connection of 1 exterior space of body, internal pressure is excessive when preventing cooling damages experimenter, and the relief tube 30 extend out to outer Pipeline section outside cabinet 1 is equipped with valve.
The axis-Water hydraulic static pressure loading mechanism includes load bar 6, load plate 21 and water filling cushion block 5.The load bar 6 passes through outer The centre bore that tank wall and roof of the furnace are reserved is through burner hearth and the top of outer case 1, and load bar 6 is by the first loaded segment 20, second Loaded segment 18 and 17 three parts of third loaded segment composition, first loaded segment 20 and 21 phase of load plate being located inside burner hearth Even, second loaded segment 18 is connected with the first loaded segment 20, and the second loaded segment 18 is fixed with the second cooling tube 19, and described second Cooling tube 19 and the first cooling tube 10, which connect in outer case 1 and share water pump with the first cooling tube 10, carries out coolant liquid circulation, Second cooling tube 19 is divided to for two parts, protrudes into the part inside load bar 6 using thin-wall copper pipe, with 6 outer wall of load bar Connected part uses the deformable fibre pipe of high temperature resistant, and it is outer that the second cooling tube can prevent the first loaded segment 20 to be transferred to high temperature In portion's environment.The third loaded segment 17 is connected with the second loaded segment 18, and third loaded segment 17 stretches out one end outside outer case 1 It is connected with the water filling cushion block 5 being located at outside outer case 1, is set between the load bar 6 and 1 tank wall of furnace wall 12 and outer case of burner hearth Set sealing ring.There is water filling runner inside the water filling cushion block 5 and load bar 6, fill the water the L-shaped distribution of runner in water filling cushion block 5.
Circular groove is reserved in 21 bottom of load plate, the circular groove for placing sealing rubber ring, for into When row hydraulic fracturing is tested, the water for injecting rock sample 22 by water filling runner is sealed, the leakage of water is prevented.
The load carrier includes carrier bar, loading plate 23 and carrying support 7, and carrier bar is by the first carrying section 24, second Carry section 26 and third carrying 27 three parts of section composition, the first carrying section 24 protrude into inside burner hearth and with 23 phase of load plate Even.The second carrying section 26 is connected with the first carrying section 24, and the second carrying section 26 is fixed with third cooling tube 31, the third Cooling tube 31 and the first cooling tube 10, which connect in outer case 1 and share water pump with the first cooling tube 10, carries out coolant liquid circulation, The third cooling tube 31 is divided to for two parts, protrudes into the part inside carrier bar using thin-wall copper pipe, with carrier bar outer wall phase Part even uses the deformable fibre pipe of high temperature resistant, and it is outer that third cooling tube 31 can prevent the first carrying section 24 to be transferred to high temperature In portion's environment.The third carrying section 27 is connected with the second carrying section 26, and third carries section 27 and is located at holding outside outer case 1 Support 7 is carried to connect.The carrying support 7 shields to outer case 1 and burner hearth when carrying out axially loaded, makes external application Pressure only along axis-Water hydraulic static pressure loading mechanism, rock sample 22 and this path of load carrier transmit.
The integrated loading device further includes temperature control equipment, and the temperature control equipment includes temperature control box 4, first Temperature sensor 14 and second temperature sensor 16, first temperature sensor 14 are used to measure the temperature of rock sample 22, The second temperature sensor 16 is used to measure the temperature of burner hearth internal cavities, first temperature sensor 14 and second temperature Sensor 16 is connect with temperature control box 4, and the temperature information that will test passes to temperature control box 4, the temperature control box 4 by controller with Heating rod connection, temperature control box 4 can control the work of heating rod.
Embodiment 2
Present embodiment discloses it is a kind of using can the cooling rock multi- scenarios method test integrated loading device of water method, packet Include following steps:
Step 1: by can the cooling rock multi- scenarios method test integrated loading device of water be placed in the work of uni-axial press On platform.
Step 2: rock sample 22 being placed on load carrier, axis-Water hydraulic static pressure loading mechanism and uni-axial press pressure Mechanism contacts, axis-Water hydraulic static pressure loading mechanism and load carrier compress rock sample 22, need to select to carry out waterpower according to the actual situation Diametral compression test, Brazilian diametral compression test or uniaxial compression test.
If necessary to carry out Hydraulic fracturing test, rock sample 22 need to be embedded to a casing 28 in production, and casing 28 is not It can be fully embedded in rock sample 22,22 a distance of rock sample should be stretched out, be placed in water filling runner bottom end circular groove The sealing rubber ring to match with described sleeve pipe 28, when being put into rock sample 22, casing 28 should runner be concentric places with water filling, adds When support plate 21 and loading plate 23 clamp rock sample 22, casing 28 is inserted in the rubber of the lower end of load plate 21 using precompression In sealing ring, it is connected to casing 28 with water filling runner, water can be entered inside rock sample 22 by water filling runner and casing 28, benefit It prevents water from leaking with sealing rubber ring, pressure is applied to rock sample 22.
If necessary to carry out Brazilian diametral compression test, then need to clamp rock sample 22, rock examination with Brazil's splitting fixture 29 Part 22 and Brazil's splitting fixture 29 are placed in jointly between loading plate 23 and load plate 21.
If carrying out uniaxial compression test, rock sample 22 is placed directly between loading plate 23 and load plate 21.
Step 3: starting heating rod work heats rock sample 22 using the radiant heat transfer of heating rod, heating temperature Spending range is 0 DEG C -300 DEG C, reach carried out after target temperature as needed uniaxial pressure stretch contracting test or Hydraulic fracturing test or bar Western diametral compression test.
When carrying out uniaxial compression test and Brazilian diametral compression test, the axial force of rock sample 22 by uni-axial press pressure Force mechanisms are applied by axis-Water hydraulic static pressure loading mechanism and load carrier, and when carrying out Hydraulic fracturing test, axial force tries rock Part 22 is clamped fastening, prevents from disengaging it from lower load plate 23 due to the hydraulic pressure inside rock sample 22.
When carrying out uniaxial compression test under target temperature, firstly, rock sample 22 is made to rise to target temperature, reaching mesh Mark temperature after, adjustment uni-axial press carry out uniaxial compression test, test during in real time record rock sample 22 stress and Strain.
Before carrying out the hydraulic fracturing test under target temperature, flood pattern is connect with axis-Water hydraulic static pressure loading mechanism, rock examination Embedment in advance extend out to the casing 28 outside rock sample 22, the fixation of 21 bottom end of load plate and 28 phase of described sleeve pipe when part 22 makes Matched sealing rubber ring when rock sample 22 is placed, should ensure that casing 28 and the water outlet for filling the water runner are concentric, anti-leak-stopping Water.Uni-axial press work, is inserted into casing 28 in the sealing rubber ring of groove setting, is connected to casing 28 with water filling runner, When carrying out hydraulic fracturing test under target temperature, firstly, rock sample 22 is heated to target temperature and readjusts press machine Compress rock sample 22, adjustment flood pattern hydraulic pressure carries out Hydraulic Fracturing Tests under high temperature, recordable hydraulic pressure-during test Time graph.
Before carrying out Brazilian diametral compression test, rock sample is clamped using Brazil's splitting fixture 29, by rock sample 22 and Brazil Splitting fixture 29 is placed on load carrier jointly.When carrying out Brazilian diametral compression test under target temperature, heating rock examination first Part 22 reaches target temperature, and then adjusting uni-axial press makes it carry out Brazilian diametral compression test, tested in holding and remembers in real time Record rock stress and axial deformation.
Embodiment 3:
Present embodiment discloses it is a kind of using can the cooling rock multi- scenarios method test integrated loading device of water method, rock After stone test specimen 22 reaches target temperature, coolant liquid is injected into burner hearth using cooling liquid inlet pipe 9, opens simultaneously relief tube 30, Rock sample 22 is cooled down, carries out uniaxial compression test or Hydraulic fracturing test or Brazilian diametral compression test, examination after drying again It is same as Example 2 to test other steps, herein without describing in detail.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (9)

1. one kind can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that including outer case, outer case The internal burner hearth for being equipped with outer surface and being adjacent to outer case inner surface, burner hearth inner space cooling liquid inlet pipe and coolant outlet One end connection, cooling liquid inlet pipe and the coolant outlet other end be connected to outer case exterior space, outer case and burner hearth Through there is an axis-Water hydraulic static pressure loading mechanism that can be moved above and below, axis-Water hydraulic static pressure loading is in-house to have water filling runner at top, for Rock sample internal water flooding, the bottom in burner hearth are fixed with load carrier, and the burner hearth is equipped with heating element, for burner hearth Interior rock sample is heated.
2. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that The tank wall of the outer case includes outer layer plate and the inner layer heat-insulation layer inside outside plate, outer layer plate and inner layer heat-insulation The first cooling tube is installed between layer, outer layer plate opens up through-hole, for the outer water pump injection coolant liquid of the first cooling tube and row Coolant liquid out, first cooling tube is as safety stock for cooling down to outer case.
3. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that The outer case is provided with opening, and the burner hearth at aperture position is provided with fire door, and fire door is reserved with peep hole, for observing burner hearth Interior situation.
4. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that Chamber is equipped with inside the furnace wall of the burner hearth, the heating element is arranged in the chamber, is additionally provided with wind in the chamber Cooler, for cooling down to heating element, matcoveredn is arranged in the medial surface of the furnace wall of burner hearth.
5. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that The burner hearth inner space also passes through relief tube and is connected to exterior space, internal pressure mistake when the relief tube can prevent cooling Experimenter is damaged greatly.
6. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that The axis-Water hydraulic static pressure loading mechanism includes the top through burner hearth and outer case and protrudes into the load bar inside burner hearth, the load Bar one end is connect with the water filling cushion block being located at outside outer case, and the other end is connect with the load plate in burner hearth, the load plate bottom Portion reserves groove, and groove is arranged concentrically with water filling runner, and for placing sealing rubber ring, the load bar medium position is fixed with Second cooling tube, second cooling tube are connected to the first cooling tube, and first cooling tube protrudes into the part inside load bar For copper pipe, the part being connected with load bar outer wall is deformable fibre pipe, has water filling inside the water filling cushion block and load bar Runner.
7. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that The load carrier includes across outer case and roof of the furnace and protruding into the carrier bar in burner hearth, described carrier bar one end be located at Loading plate connection in burner hearth, the other end are connect with the carrying support being located at outside outer case, and the carrier bar medium position is solid Surely there is third cooling tube, it is copper pipe, the portion being connected with carrier bar outer wall that the third cooling tube, which protrudes into the part inside carrier bar, It is divided into deformable fibre pipe.
8. one kind as described in claim 1 can the cooling rock multi- scenarios method of water test integrated loading device, which is characterized in that It is described can the cooling rock multi- scenarios method test integrated loading device of water further include temperature control equipment, the temperature control equipment Including the first temperature sensor and second temperature sensor, first temperature sensor is used to measure the temperature of rock sample, The second temperature sensor is used to measure the temperature of burner hearth internal cavities, first temperature sensor and second temperature sensing Device is connect with temperature control box, and the temperature information that will test passes to temperature control box, and the temperature control box is able to pass through the controller control and adds Thermal element work.
9. a kind of claim 1-8 it is described in any item can the cooling rock multi- scenarios method test integrated loading device of water side Method, which comprises the following steps:
Step 1: by can the cooling rock multi- scenarios method test integrated loading device of water be placed on the workbench of uni-axial press;
Step 2: rock sample being placed on load carrier, the pressure mechanism of axis-Water hydraulic static pressure loading mechanism and uni-axial press connects Touching, axis-Water hydraulic static pressure loading mechanism and load carrier compress rock sample;
Step 3: starting heating element work heats rock sample, carries out single shaft as needed after reaching target temperature Pressure stretch contracting test or Hydraulic Fracturing Tests or Brazilian diametral compression test, or coolant liquid is passed through into burner hearth after reaching target temperature, Rock sample is cooled down, carried out as needed after drying water uniaxial compression test after cooling or hydraulic fracturing test or bar Western diametral compression test.
CN201910610121.0A 2019-07-08 2019-07-08 Water-coolable comprehensive rock multi-field coupling test loading device and method Active CN110320104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910610121.0A CN110320104B (en) 2019-07-08 2019-07-08 Water-coolable comprehensive rock multi-field coupling test loading device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910610121.0A CN110320104B (en) 2019-07-08 2019-07-08 Water-coolable comprehensive rock multi-field coupling test loading device and method

Publications (2)

Publication Number Publication Date
CN110320104A true CN110320104A (en) 2019-10-11
CN110320104B CN110320104B (en) 2020-05-26

Family

ID=68121427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910610121.0A Active CN110320104B (en) 2019-07-08 2019-07-08 Water-coolable comprehensive rock multi-field coupling test loading device and method

Country Status (1)

Country Link
CN (1) CN110320104B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111721641A (en) * 2020-06-04 2020-09-29 山东大学 Heating constant temperature device and method for high-temperature rock uniaxial compression test

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612041A (en) * 1984-06-15 1986-01-08 Shimadzu Corp Tester for high temp. low strain rate material
CN101710048A (en) * 2009-10-21 2010-05-19 中国矿业大学 Device and method for heating rock specimen under triaxial pressure
CN103868791A (en) * 2014-03-12 2014-06-18 西安石油大学 Method and device for cooling fatigue testing machine
CN204302097U (en) * 2014-11-25 2015-04-29 宁波大学 A kind of Rock And Soil based on inside and outside combined heat moves/static(al) three axle temperature control experimental rig
CN104897460A (en) * 2015-05-19 2015-09-09 吉林大学 A test-piece clamp for multi-load coupling loading and a multi-physics field coupling loading method thereof
CN105300807A (en) * 2015-10-14 2016-02-03 太原理工大学 High-temperature true triaxial rock testing machine
CN108375507A (en) * 2018-01-15 2018-08-07 河海大学 Quick changeable temperature couples the concrete for hydraulic structure hydraulic fracture device and method under complex stress condition
CN108613874A (en) * 2018-05-14 2018-10-02 安徽理工大学 A kind of three axis load water-rock interaction experimental provision
CN109900544A (en) * 2019-02-28 2019-06-18 河海大学 A kind of triaxial test system that can simulate complex environment and stress

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS612041A (en) * 1984-06-15 1986-01-08 Shimadzu Corp Tester for high temp. low strain rate material
CN101710048A (en) * 2009-10-21 2010-05-19 中国矿业大学 Device and method for heating rock specimen under triaxial pressure
CN103868791A (en) * 2014-03-12 2014-06-18 西安石油大学 Method and device for cooling fatigue testing machine
CN204302097U (en) * 2014-11-25 2015-04-29 宁波大学 A kind of Rock And Soil based on inside and outside combined heat moves/static(al) three axle temperature control experimental rig
CN104897460A (en) * 2015-05-19 2015-09-09 吉林大学 A test-piece clamp for multi-load coupling loading and a multi-physics field coupling loading method thereof
CN105300807A (en) * 2015-10-14 2016-02-03 太原理工大学 High-temperature true triaxial rock testing machine
CN108375507A (en) * 2018-01-15 2018-08-07 河海大学 Quick changeable temperature couples the concrete for hydraulic structure hydraulic fracture device and method under complex stress condition
CN108613874A (en) * 2018-05-14 2018-10-02 安徽理工大学 A kind of three axis load water-rock interaction experimental provision
CN109900544A (en) * 2019-02-28 2019-06-18 河海大学 A kind of triaxial test system that can simulate complex environment and stress

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
盛金昌等: "岩石THMC多因素耦合试验系统研制与应用", 《长江科学院院报》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111721641A (en) * 2020-06-04 2020-09-29 山东大学 Heating constant temperature device and method for high-temperature rock uniaxial compression test

Also Published As

Publication number Publication date
CN110320104B (en) 2020-05-26

Similar Documents

Publication Publication Date Title
CN105300807B (en) A kind of high temperature true triaxial Rock experiment machine
CN110320104A (en) It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method
US20090314107A1 (en) Environmental Mechanical Test Apparatus
CN104458436B (en) High-temperature drawing experiment device of anchoring material and experiment method of high-temperature drawing experiment device
CN104749214B (en) A kind of constant temperature hot bath device that liquid thermal conductivity factor is measured based on Adsorbent By Using Transient Plane Source Technique
CN109030318A (en) A kind of pressure chamber structure and permeability test macro
KR20100113776A (en) Apparatus for testing thermal fatigue properties using flame
CN109211971B (en) Method for measuring convective heat transfer coefficient of water-rock interface in seepage heat transfer process of fracture sample
CN105699169A (en) Quick heating device for high-temperature SHPB dynamic impact experiment
KR102147820B1 (en) Cooling system for freezing tes of soil
CN107490524A (en) A kind of experimental test platform of thermal shock load effect lower component thermal fatigue characteristics
KR101416448B1 (en) A performance testing apparatus of cylinder head gasket using steam and oil pressure
CN104749040B (en) A kind of experiment detection device and method of high-temperature packer packing element
CN110470529A (en) Rock indirect tensile strength test method under three-dimensional stress constraint
CN107860785A (en) A kind of quick thermal fatigue test method of engine cylinder cap and device
KR101187966B1 (en) Thermal-mechanical fatigue testing appartus
CN108519291A (en) Drawing by high temperature-fatigue mechanics ability meter and method based on electric cylinder driving
CN109211972A (en) The interface Shui Yan convection transfer rate measuring device in the sample seepage flow diabatic process of crack
CN104677516A (en) High-strength high-gas-tightness quick-connecting type temperature measuring feed device
CN103217340A (en) High-temperature high-pressure part damage and failure process experimental device
KR100941442B1 (en) Equipment for Testing a Spalling Failure of a Concrete under the Condition Applying a Load
Kristensen et al. Full-scale validation of axial carcass loads in flexible pipe structure from cyclic pressure and temperature
CN112461888B (en) High-temperature and high-pressure examination test device and method for heat storage hollow brick and furnace lining
Reytier et al. Study of cleavage initiation under thermal shock by tests on cracked rings and thermomechanical calculations
CN206339544U (en) A kind of device for determining sealing agent shut-off capacity

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant