CN105823795A - Large-size flow guide pool hot dry rock fracture heat exchange device - Google Patents

Large-size flow guide pool hot dry rock fracture heat exchange device Download PDF

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Publication number
CN105823795A
CN105823795A CN201610397265.9A CN201610397265A CN105823795A CN 105823795 A CN105823795 A CN 105823795A CN 201610397265 A CN201610397265 A CN 201610397265A CN 105823795 A CN105823795 A CN 105823795A
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China
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water conservancy
conservancy diversion
piston
container
heat energy
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CN201610397265.9A
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Inventor
张延军
周玲
胡忠君
张通
于子望
雷治红
朱成成
类红磊
吕天奇
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Jilin University
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Jilin University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention discloses a large-size flow guide pool hot dry rock fracture heat exchange device which is composed of a heat exchange liquid injection system, a high-pressure gas injection system, a mixer, a flow guide pool system, an information collection system, a back pressure device, a filter loss measuring system and a high-pressure pipe valve assembly. The heat exchange liquid injection system and the high-pressure gas injection system are connected to the mixer. The mixer is connected to an inlet of the flow guide pool system. The information collection system is connected to the flow guide pool system. The back pressure device and the filter loss measuring system are connected to an outlet of the flow guide pool system. The systems are connected through the high-pressure pipe valve assembly. The large-size flow guide pool hot dry rock fracture heat exchange device can be more approximate to actual environment and is safe and durable, a large-size sample is adopted, influences caused by the size effect on experiment results are avoided, and heat exchange can be carried out in a liquid or gas mode; in addition, by means of the penetrating reproduction function of high-pressure gas, the heat recovery rate is improved to the maximum, and the extraction cost is reduced.

Description

A kind of hot dry rock crack, large scale water conservancy diversion pond heat energy displacement device
Technical field
The present invention relates to a kind of displacement apparatus of energy field, particularly to a kind of hot dry rock crack, large scale water conservancy diversion pond heat energy displacement device.
Background technology
Along with maintaining sustained and rapid growth of China's economy, increasing to the demand of the energy, the conventional energy resources such as coal, oil, natural gas are all the disposable energy, not only face remaining reserves constantly reduce, serious exhausted problem, there is also the problem that environmental pollution is huge, so, greatly develop new forms of energy imperative.And dry-hot-rock geothermal is the most most using value and the clean energy resource of Exploitative potential, hot dry rock resource proved reserves are equivalent to about 30 times of oil, natural gas and coal ability.The geothermal resource of hydrothermal type currently mainly exploiting utilization only accounts for about the 10% of resource, and occupy the hot dry rock resource of larger proportion, exploitation dynamics is smaller, therefore, a kind of large-sized hot dry rock crack heat energy displacement device is needed to simulate the virtual condition and heat exchange efficiency carrying out descending liquids and gases heat energy displacement in situ, to deepen the understanding to problem above, in order to make this technology obtain widely popularization and application.
Dry-hot-rock geothermal exploitation is a complicated system engineering, there is a lot of problem in science and engineering problem in this process.Owing to its up-front investment is huge, it is general before engineering is really implemented, need to assess the resource reserve in place and the delivery in hot weather output capacity of the artificial reconstructed rear reservoir of reasonable prediction exactly, and the biggest high cost of difficulty of on-the-spot test, so carrying out laboratory test simulation is one of effective method.At present, the laboratory sample of the hot dry rock used both at home and abroad heat energy displacement assay device in situ, it is mostly the cylindrical sample that specification is less, size is the least, causes result of the test to be affected by dimensional effect very big, and experimental result is inaccurate, and thermal recovery yield is low, and cost of winning is high.
Summary of the invention
The laboratory sample that the invention aims to solve above-mentioned existing domestic and international hot dry rock heat exchange test device in situ is mostly the cylindrical sample that specification is less, size is the least, result of the test is caused to be affected by dimensional effect the biggest, experimental result is inaccurate, thermal recovery yield is low, the problems such as cost of winning is high, and a kind of hot dry rock crack, large scale water conservancy diversion pond heat energy displacement device is provided.
The present invention is made up of heat energy displacement liquid injection system, gases at high pressure injected system, blender, water conservancy diversion cell system, information acquisition system, back pressure device, filter loss measurement system and high-voltage tube valve module, heat energy displacement liquid injection system and gases at high pressure injected system are connected on blender, blender is connected in the import of water conservancy diversion cell system, information acquisition system is connected on water conservancy diversion cell system, back pressure device and leak-off system for measuring quantity are connected in the outlet of water conservancy diversion cell system, and each system is attached by high-voltage tube valve module;
Heat energy displacement liquid injection system includes that constant voltage constant speed pump, the first exploitation liquid inject container, the second exploitation liquid injects container, and the first exploitation liquid injects container and the second exploitation liquid injects container two ends and is connected on constant voltage constant speed pump and blender;
Gases at high pressure injected system includes that gas boosting pump, the first gas boosting container, the second gas boosting container, the first gas boosting container and the second gas boosting container two ends are connected on gas boosting pump and blender;
Having water conservancy diversion pond, temperature measuring equipment, constant temperature system and vertical compression system in water conservancy diversion cell system, temperature measuring equipment, constant temperature system and vertical compression system are connected with water conservancy diversion pond respectively;
Described water conservancy diversion pond includes water conservancy diversion tank main body, first piston, the second piston, the first seal washer, the second seal washer, sealing metal plate, the first rock beam, the second rock beam, first rock beam and the second rock beam are separately positioned between first piston and the second piston, between first rock beam and the second rock beam, there is proppant, first seal washer is arranged on first piston, second seal washer is arranged on the second piston, sealing metal plate is fixedly installed on first piston, and water conservancy diversion tank main body has water conservancy diversion pond groove and thermometer hole;
Described temperature measuring equipment has five temperature transducers;
Described information acquisition system includes harvester, computer and printer;
There is in described back pressure device high pressure hand pump, back pressure buffer container and precision pressure gauge;
Described leak-off system for measuring quantity includes that fluid loss system for measuring quantity and gas filter loss measure system, and described fluid loss system for measuring quantity has balance, and described gas leak-off system for measuring quantity has gas flowmeter;
Described water conservancy diversion tank main body, sealing metal plate are high-strength stainless steel material;
Described first piston and the second piston are Hastelloy material;
Described first seal washer and the second seal washer are perfluoroelastomers material;
Described vertical compression system is hydraulic pressurization.
The operation principle of the present invention and process:
nullDuring work,Three temperature transducers are inserted in thermometer hole by sleeve pipe respectively,By vertical compression system, water conservancy diversion pond is applied vertical pressure,By thermostat, water conservancy diversion pond is applied high temperature,After experimental pressure and temperature stabilization,Carry out heat energy displacement experiment,Heat exchange pilot production fluid injects container and the second exploitation liquid injection container through the first exploitation liquid,And pressurizeed by constant voltage constant speed pump,Gases at high pressure are through the first gas boosting container and the second gas boosting container,And form high pressure by gas boosting pump pressurization,Heat exchange pilot production fluid and gases at high pressure are entered in the import in water conservancy diversion pond by blender,After carrying out sufficient heat energy displacement at high temperature under high pressure,Outlet from water conservancy diversion pond is flowed out,Back pressure is carried out by back pressure device,Filter loss measurement is carried out through leak-off system for measuring quantity 7 after cooling,Experimentation needs carry out data acquisition,Three temperature sensors are had in the side in water conservancy diversion pond,The temperature in water conservancy diversion pond is gathered by information acquisition system、Out temperature and pressure,Pressure and temperature applies to be adjusted as required,Experiment needs slowly to discharge pressure after terminating,After reducing temperature,Experiment package can be dismantled,After experiment,Water conservancy diversion pond is carried out,Cleanout fluid passes through pipeline valve、Emptying,Repeat to clear up several times,Enter next one experiment.
Beneficial effects of the present invention:
The present invention can be more nearly actual environment, novel structure, safety durable, use large dimension specimen, evaded impact experimental result brought because of dimensional effect, heat energy displacement can have been carried out by liquids and gases two ways, and utilize gases at high pressure drills through procreation function, improve thermal recovery yield greatly, under equal mining conditions, reduce cost of winning.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of the present invention.
Fig. 2 is the perspective exploded view in water conservancy diversion pond of the present invention.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, the present invention is by heat energy displacement liquid injection system 1, gases at high pressure injected system 2, blender 3, water conservancy diversion cell system 4, information acquisition system 5, back pressure device 6, filter loss measurement be 7 and high-voltage tube valve module 8 form, heat energy displacement liquid injection system 1 and gases at high pressure injected system 2 are connected on blender 3, blender 3 is connected in the import of water conservancy diversion cell system 4, information acquisition system 5 is connected on water conservancy diversion cell system 4, back pressure device 6 and leak-off system for measuring quantity 7 are connected in the outlet of water conservancy diversion cell system 4, each system is attached by high-voltage tube valve module 8;
Heat energy displacement liquid injection system 1 includes that constant voltage constant speed pump 11, first is exploited liquid and injected container the 12, second exploitation liquid injection container 13, and the first exploitation liquid injects container 12 and the second exploitation liquid injection container 13 two ends are connected on constant voltage constant speed pump 11 and blender 3;
Gases at high pressure injected system 2 includes that gas boosting pump the 21, first gas boosting container the 22, second gas boosting container 23, the first gas boosting container 22 and the second gas boosting container 23 two ends are connected on gas boosting pump 21 and blender 3;
Having water conservancy diversion pond 41, temperature measuring equipment 44, constant temperature system 43 and vertical compression system 42 in water conservancy diversion cell system 4, temperature measuring equipment 44, constant temperature system 43 and vertical compression system 42 are connected with water conservancy diversion pond 41 respectively;
Described water conservancy diversion pond 41 includes water conservancy diversion tank main body 419, first piston 411, second piston 412, first seal washer 413, second seal washer 414, sealing metal plate 415, first rock beam 416, second rock beam 417, first rock beam 416 and the second rock beam 417 are separately positioned between first piston 411 and the second piston 412, between first rock beam 416 and the second rock beam 417, there is proppant 418, first seal washer 413 is arranged on first piston 411, second seal washer 414 is arranged on the second piston 412, sealing metal plate 415 is fixedly installed on first piston 411, there is on water conservancy diversion tank main body 419 water conservancy diversion pond groove 4191 and thermometer hole 4192;
Described temperature measuring equipment 44 has five temperature transducers;
Described information acquisition system 5 includes harvester, computer and printer;
There is in back pressure device 6 high pressure hand pump, back pressure buffer container and precision pressure gauge;
Described leak-off system for measuring quantity 7 includes that fluid loss system for measuring quantity 71 and gas filter loss measure system 72, and described fluid loss system for measuring quantity 71 has balance, and described gas leak-off system for measuring quantity 72 has gas flowmeter;
Described water conservancy diversion tank main body 419, sealing metal plate 415 are high-strength stainless steel material;
Described first piston 411 and the second piston 412 are Hastelloy material;
Described first seal washer 413 and the second seal washer 414 are perfluoroelastomers material;
Described vertical compression system 42 is hydraulic pressurization.
The operation principle of the present invention and process:
nullRefering to shown in Fig. 1 and Fig. 2,During work,Three temperature transducers are inserted in thermometer hole 4192 by sleeve pipe respectively,By vertical compression system 42, water conservancy diversion pond 41 is applied vertical pressure,By thermostat 44, water conservancy diversion pond 41 is applied high temperature,After experimental pressure and temperature stabilization,Carry out heat energy displacement experiment,Heat exchange pilot production fluid injects container 12 and the second exploitation liquid injection container 13 through the first exploitation liquid,And pressurizeed by constant voltage constant speed pump 11,Gases at high pressure are through the first gas boosting container 22 and the second gas boosting container 23,And form high pressure by gas boosting pump 21 pressurization,Heat exchange pilot production fluid and gases at high pressure are entered in the import in water conservancy diversion pond 41 by blender 3,After carrying out sufficient heat energy displacement at high temperature under high pressure,Outlet from water conservancy diversion pond 41 is flowed out,Back pressure is carried out by back pressure device 6,Filter loss measurement is carried out through leak-off system for measuring quantity 7 after cooling,Experimentation needs carry out data acquisition,Three temperature sensors are had in the side in water conservancy diversion pond 41,The temperature in water conservancy diversion pond 41 is gathered by information acquisition system 5、Out temperature and pressure,Pressure and temperature applies to be adjusted as required,Temperature is up to 200 DEG C,Pressure is up to 10MPa,Experiment needs slowly to discharge pressure after terminating,After reducing temperature,Experiment package can be dismantled,After experiment,Water conservancy diversion pond is carried out,Cleanout fluid passes through pipeline valve、Emptying,Repeat to clear up several times,Enter next one experiment.

Claims (5)

1. hot dry rock crack, large scale water conservancy diversion pond heat energy displacement device, it is characterized in that: be by heat energy displacement liquid injection system (1), gases at high pressure injected system (2), blender (3), water conservancy diversion cell system (4), information acquisition system (5), back pressure device (6), filter loss measures system (7) and high-voltage tube valve module (8) composition, heat energy displacement liquid injection system (1) and gases at high pressure injected system (2) are connected on blender (3), blender (3) is connected in the import of water conservancy diversion cell system (4), information acquisition system (5) is connected on water conservancy diversion cell system (4), back pressure device (6) and leak-off system for measuring quantity (7) are connected in the outlet of water conservancy diversion cell system (4), each system is attached by high-voltage tube valve module (8);
Heat energy displacement liquid injection system (1) includes that constant voltage constant speed pump (11), the first exploitation liquid inject container (12), the second exploitation liquid injects container (13), and the first exploitation liquid injects container (12) and the second exploitation liquid injects container (13) two ends and is connected on constant voltage constant speed pump (11) and blender (3);
Gases at high pressure injected system (2) includes that gas boosting pump (21), the first gas boosting container (22), the second gas boosting container (23), the first gas boosting container (22) and the second gas boosting container (23) two ends are connected on gas boosting pump (21) and blender (3);
Having water conservancy diversion pond (41), temperature measuring equipment (44), constant temperature system (43) and vertical compression system (42) in water conservancy diversion cell system (4), temperature measuring equipment (44), constant temperature system (43) and vertical compression system (42) are connected with water conservancy diversion pond (41) respectively;
nullDescribed water conservancy diversion pond (41) includes water conservancy diversion tank main body (419),First piston (411)、Second piston (412)、First seal washer (413)、Second seal washer (414)、Sealing metal plate (415)、First rock beam (416)、Second rock beam (417),First rock beam (416) and the second rock beam (417) are separately positioned between first piston (411) and the second piston (412),There is between first rock beam (416) and the second rock beam (417) proppant (418),First seal washer (413) is arranged on first piston (411),Second seal washer (414) is arranged on the second piston (412),Sealing metal plate (415) is fixedly installed on first piston (411),There is on water conservancy diversion tank main body (419) water conservancy diversion pond groove (4191) and thermometer hole (4192);
Described temperature measuring equipment (44) has five temperature transducers;
Described information acquisition system (5) includes harvester, computer and printer;
There is in described back pressure device (6) high pressure hand pump, back pressure buffer container and precision pressure gauge;
Described leak-off system for measuring quantity (7) includes that fluid loss system for measuring quantity (71) and gas filter loss measure system (72), described fluid loss system for measuring quantity (71) has balance, and described gas leak-off system for measuring quantity (72) has gas flowmeter.
A kind of hot dry rock crack, large scale water conservancy diversion pond the most according to claim 1 heat energy displacement device, it is characterised in that: described first piston (411) and the second piston (412) they are Hastelloy material.
A kind of hot dry rock crack, large scale water conservancy diversion pond the most according to claim 1 heat energy displacement device, it is characterised in that: described first seal washer (413) and the second seal washer (414) they are perfluoroelastomers material.
A kind of hot dry rock crack, large scale water conservancy diversion pond the most according to claim 1 heat energy displacement device, it is characterised in that: described vertical compression system (42) is hydraulic pressurization.
A kind of hot dry rock crack, large scale water conservancy diversion pond the most according to claim 1 heat energy displacement device, it is characterised in that: described water conservancy diversion tank main body (419), sealing metal plate (415) they are high-strength stainless steel material.
CN201610397265.9A 2016-06-07 2016-06-07 Large-size flow guide pool hot dry rock fracture heat exchange device Pending CN105823795A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107907428A (en) * 2018-01-02 2018-04-13 吉林大学 Carry the square core hydraulic fracturing experimental rig of semi open model of heating function
CN109187633A (en) * 2018-11-02 2019-01-11 中国石油大学(华东) Underground heat hides well pattern formula variable tear volume hot dry rock simulator and experimental method
CN112727418A (en) * 2021-01-20 2021-04-30 太原理工大学 Simulation device for extracting oil shale from high-temperature fluid under control of multivariate factors

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CN103940717A (en) * 2014-03-19 2014-07-23 中国海洋石油总公司 Experimental evaluation device of high temperature high pressure steam on rock core pollution
CN105388254A (en) * 2015-10-21 2016-03-09 西安交通大学 High-temperature high-pressure foam fracturing fluid leak-off damage experiment system
CN205665189U (en) * 2016-06-07 2016-10-26 吉林大学 Hot dry rock crack heat energy replacement device is done in jumbo size water conservancy diversion pond

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101519961A (en) * 2009-04-01 2009-09-02 西南石油大学 Device and method for measuring embedding depth of proppant
CN202102631U (en) * 2011-01-18 2012-01-04 中国地质大学(北京) Carbon dioxide transfer physical simulation platform under geological storage conditions
CN102606125A (en) * 2012-03-09 2012-07-25 西安石油大学 Simulator for researching hydraulic fracturing effect
CN103790564A (en) * 2014-01-11 2014-05-14 南通华兴石油仪器有限公司 Hot-dry rock fracturing high-pressure extraction laboratory simulation device
CN103940717A (en) * 2014-03-19 2014-07-23 中国海洋石油总公司 Experimental evaluation device of high temperature high pressure steam on rock core pollution
CN105388254A (en) * 2015-10-21 2016-03-09 西安交通大学 High-temperature high-pressure foam fracturing fluid leak-off damage experiment system
CN205665189U (en) * 2016-06-07 2016-10-26 吉林大学 Hot dry rock crack heat energy replacement device is done in jumbo size water conservancy diversion pond

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107907428A (en) * 2018-01-02 2018-04-13 吉林大学 Carry the square core hydraulic fracturing experimental rig of semi open model of heating function
CN109187633A (en) * 2018-11-02 2019-01-11 中国石油大学(华东) Underground heat hides well pattern formula variable tear volume hot dry rock simulator and experimental method
CN112727418A (en) * 2021-01-20 2021-04-30 太原理工大学 Simulation device for extracting oil shale from high-temperature fluid under control of multivariate factors

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