CN110057509A - A kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation - Google Patents
A kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation Download PDFInfo
- Publication number
- CN110057509A CN110057509A CN201910418966.XA CN201910418966A CN110057509A CN 110057509 A CN110057509 A CN 110057509A CN 201910418966 A CN201910418966 A CN 201910418966A CN 110057509 A CN110057509 A CN 110057509A
- Authority
- CN
- China
- Prior art keywords
- insulating tube
- heat
- insulating
- tube
- pipe
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
- F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The present invention relates to a kind of pipes more particularly to a kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation with heat insulation function for hot dry rock exploitation, including heat-insulation system and monitoring system；Insulating tube for dry-hot-rock geothermal exploitation, which passes through reduction heat radiation, which reduces heat transmission medium and thermal convection, can significantly reduce the energy loss that heat transfer medium is transported to ground from deep underground.Ground staff can be made to monitor the working condition of pipeline at any time again by installing electronic pressure transmitter in the heat-insulation chamber of outer layer, can find the leakage problem of pipeline in time and can take timely measure.
Description
Technical field
The present invention relates to a kind of pipes with heat insulation function for hot dry rock exploitation, more particularly to one kind is for xeothermic
The automatic monitoring insulating tube of rock underground heat exploitation.
Background technique
When deep underground carries out dry-hot-rock geothermal exploitation, the temperature of heat transfer medium will reach 200 DEG C or more.Heat transfer is situated between
Matter, which is transported to ground from deep underground, longer distance.If using the utilidor of general periphery package thermal insulation material,
The loss of heat will be a huge waste.It will also result in being substantially increased for terrestrial power generation cost simultaneously.And it is used for xeothermic
The insulating tube of rock underground heat exploitation can significantly reduce heat transfer medium by reducing heat radiation reduction heat transmission medium and thermal convection
The energy loss of ground is transported to from deep underground, to reduce cost of electricity-generating.And by installing electricity in the heat-insulation chamber of outer layer
Sub- pressure sensor can make ground staff monitor the working condition of pipeline at any time again.The leakage of pipeline can be found in time
Problem can simultaneously take timely measure.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of insulating tube, may be implemented in dry-hot-rock geothermal exploitation
The energy loss of tube interior heat transfer medium is reduced in the process.Simultaneously compared to traditional insulating tube, due in outer layer vacuum ring
Joined pressure sensor in border can monitor the working condition of insulating tube at any time.Pipe leakage problem can be found in time, and
When take measures.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of automatic prison for dry-hot-rock geothermal exploitation
Insulating tube is surveyed, the insulating efficiency of existing insulating tube is improved.Automated watch-keeping facility is added in insulating tube simultaneously, can find in time
Leakage problem to handle in time.3, pipe shell 2, insulating tube metal inner pipe are kept the temperature；1, support column is used to connect outside 3, insulating tube
Shell and 2, insulating tube metal inner pipe play a part of to fix 2, insulating tube metal inner pipe.In 1, heat preservation pipe shell and 2, insulating tube metal
The pressure condition of insulating tube can be monitored at any time by being equipped with 11, pressure sensor between inner tube in 6, insulated cavity, to occur
Leak on-call maintenance.12, pressure sensor electrical wire wiring mouth.4 on the outside of 5, glass inner tube, plating one layer of silver coating can be with reflective thermal
Radiation reduces heat loss.7, the fixed plate 8 of insulating tube junction, screw-socket 9, insulating tube junction sealing ring 10, insulating tube connect
Connect place, the sealing ring between insulating tube inner tube and heat preservation pipe shell.
As further specific optimization, between described 3, heat preservation pipe shell and 2, insulating tube metal inner pipe with 1, support column come
Connection；Fixed insulating tube metal inner pipe.
As further specific optimization, 6, insulated cavity is taken out between described 3, heat preservation pipe shell and 2, insulating tube metal inner pipe
At vacuum, to reduce heat transmitting and the thermal convection energy loss between 2, insulating tube metal inner pipe and 3, heat preservation pipe shell.
As further specific optimization, between described 3, heat preservation pipe shell and 2, insulating tube metal inner pipe in 6, insulated cavity
11, pressure sensor are installed；The working condition of pipe, discovery leakage processing in time are monitored during aspect use.
As further specific optimization, described 2,5, insulating tube glass inner tube are installed on insulating tube metal inner pipe；And 5,
One layer 5, very thin silver coating are plated on the outside of insulating tube glass inner tube；It in this way can be with the hot spoke of heat-conducting medium in reflecting glass inner tube
It penetrates, reduces heat loss.
7, fixed plate are installed as further specific optimization, every section insulating tube two sides；There is 8, screw in fixed plate
Mouthful；The every section insulating tube of screw connection can be used.
As further specific optimization, described 7,9, sealing ring is installed in fixed plate；For preventing 6, heat-insulating and sealing chamber
Vacuum environment occur gas leakage.
As further specific optimization, 10, sealing ring are installed between described 6, insulated cavity and pipeline centre, prevent internal
The leakage of heat transfer medium.
Work step and principle: when the present invention conveys heat transfer medium, 5, plated one layer 4, pole on the outside of insulating tube glass inner tube
The heat radiation that thin silver coating can reflect heat transfer medium reduces the loss of heat；2, metal inner pipe and 3, heat preservation pipe shell it
Between 6, insulated cavity is evacuated after insulating tube is installed, it is possible to reduce the thermal loss of heat transmitting and thermal convection；?
6, the working condition of insulating tube can be monitored at any time by 11, pressure sensor being installed in insulated cavity, when insulating tube leaks
Pressure change can be observed in time, immediately treated.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is end cross-sectional figure of the present invention；
In figure: 1 is support column, 2 insulating tube metal inner pipes, 3 heat preservation pipe shells, 4 silver coatings, 5 glass inner tubes, 6 heat-insulated skies
Chamber, 7 fixed plates, 8 screw holes, 9 sealing rings, 10 sealing rings, 11 pressure sensors, 12 conducting wire connectors.
Specific embodiment
Further illustrate referring to attached drawing and realize embodiments of the present invention (as shown in Figure 1 and Figure 2): one kind being used for hot dry rock
The automatic monitoring insulating tube of underground heat exploitation, including heat-insulation system and monitoring system.
Heat-insulation system includes 3, heat preservation pipe shell 2, insulating tube metal inner pipe；1, support column is used to connect 3, heat preservation pipe shell
Play a part of to fix 2, insulating tube metal inner pipe with 2, insulating tube metal inner pipe.One layer of 5, glass inner tube 4, plating silver coating can be with
Reflective thermal radiation reduces heat loss.7, the fixed plate 8 of insulating tube junction, screw-socket 9, insulating tube junction sealing ring 10, guarantor
Warm pipe junction, the sealing ring between insulating tube inner tube and heat preservation pipe shell.
Monitoring system is included in 1, is equipped with 11 between heat preservation pipe shell and 2, insulating tube metal inner pipe in 6, insulated cavity,
Pressure sensor can monitor the pressure condition of insulating tube at any time, to occur to leak on-call maintenance.12, pressure sensor electric wire
Connection jaws connect when installing every section insulating tube convenient for the conducting wire of sensor.
The following are further specific optimal enforcements of the invention:
Described 3, it keeps the temperature between pipe shell and 2, insulating tube metal inner pipe and is connected with 1, support column；Fixed insulating tube metal
Inner tube.
Described 3, it keeps the temperature 6, insulated cavity between pipe shell and 2, insulating tube metal inner pipe to be evacuated, to reduce by 2, heat preservation
Heat transmitting and thermal convection energy loss between pipe metal inner pipe and 3, heat preservation pipe shell.
Described 3, it keeps the temperature and 11, pressure sensor is installed in 6, insulated cavity between pipe shell and 2, insulating tube metal inner pipe；
The working condition of pipe, discovery leakage processing in time are monitored during aspect use.
Described 2,5, insulating tube glass inner tube are installed on insulating tube metal inner pipe；And it is plated on the outside of 5, insulating tube glass inner tube
One layer 4, very thin silver coating；In this way heat loss can be reduced with the heat radiation of heat-conducting medium in reflecting glass inner tube.
Every section insulating tube two sides are installed by 7, fixed plate；There is 8, screw-socket in fixed plate；It can be every with screw connection
Save insulating tube.
Described 7,9, sealing ring is installed in fixed plate；For preventing the vacuum environment of 6, heat-insulating and sealing chamber from gas leakage occurs.
Described 6,10, sealing ring are installed between insulated cavity and pipeline centre, prevent the leakage of internal heat transfer medium.
Claims (7)
1. insulating tube, the insulating tube glass inner tube led directly to including (5), it is characterised in that including (4) on the outside of (5) glass heat-insulating pipe
Silver coating further includes (2) the insulating tube metal inner pipe for wrapping (5) insulating tube glass inner tube, and (6) insulated cavity is true
It is empty.
2. insulating tube according to claim 1, which is characterized in that further include (3) insulating tube shell, the insulating tube shell
Internal diameter is greater than (2) insulating tube metal inner pipe outer diameter, and (2) the insulating tube metal inner pipe is fixed on (3) insulating tube with (1) support column
On shell.
3. insulating tube according to claim 2, which is characterized in that install (11) pressure in insulating tube (6) insulated cavity
Force snesor, and connected sensor in every section insulating tube with conducting wire.
4. insulating tube according to claim 3, which is characterized in that install (5) heat preservation on (2) the insulating tube metal inner pipe
Pipe glass inner tube, and the very thin silver coating of plating one layer (4) on the outside of (5) insulating tube glass inner tube；It in this way can be in reflecting glass
The heat radiation of heat-conducting medium in pipe reduces heat loss.
5. insulating tube according to claim 4, which is characterized in that (7) fixed plate is installed in every section insulating tube two sides,
There is (8) screw-socket in fixed plate, the every section insulating tube of screw connection can be used.
6. insulating tube according to claim 5, which is characterized in that be equipped with (9) sealing ring in (7) fixed plate, use
To prevent the vacuum environment of (6) heat-insulating and sealing chamber from gas leakage occurs.
7. insulating tube according to claim 6, which is characterized in that installed between (6) insulated cavity and pipeline centre
(10) sealing ring prevents the leakage of internal heat transfer medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418966.XA CN110057509A (en) | 2019-05-20 | 2019-05-20 | A kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418966.XA CN110057509A (en) | 2019-05-20 | 2019-05-20 | A kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110057509A true CN110057509A (en) | 2019-07-26 |
Family
ID=67323725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418966.XA Pending CN110057509A (en) | 2019-05-20 | 2019-05-20 | A kind of automatic monitoring insulating tube for dry-hot-rock geothermal exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057509A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203705373U (en) * | 2014-01-20 | 2014-07-09 | 天津市滨海新区塘沽建通防腐保温有限公司 | Insulating tube performance test system |
| CN204756309U (en) * | 2015-07-06 | 2015-11-11 | 生维国 | Vacuum insulation pipe |
| CN106152558A (en) * | 2015-03-26 | 2016-11-23 | 益科博能源科技（上海）有限公司 | Thermal insulation casing |
| CN206258226U (en) * | 2016-12-20 | 2017-06-16 | 清华大学合肥公共安全研究院 | A kind of heating pipeline leakage monitoring system based on hot aqueous medium |
| CN206904394U (en) * | 2017-05-03 | 2018-01-19 | 苏州市万年通管业有限公司 | A kind of oxygen-resistant aluminum alloy lining PE RT air-conditionings enter return pipe |
| CN108029760A (en) * | 2017-12-12 | 2018-05-15 | 安徽正阳机械科技有限公司 | A kind of grain vacuum heat-preserving device and method thereof |
| CN208058258U (en) * | 2018-04-04 | 2018-11-06 | 中建二局安装工程有限公司 | The air-conditioning heat insulation pipe device of self-test antiseep |
| CN210375581U (en) * | 2019-05-20 | 2020-04-21 | 中国矿业大学(北京) | Automatic monitoring heat preservation pipe for geothermal exploitation of dry hot rock |
-
2019
- 2019-05-20 CN CN201910418966.XA patent/CN110057509A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203705373U (en) * | 2014-01-20 | 2014-07-09 | 天津市滨海新区塘沽建通防腐保温有限公司 | Insulating tube performance test system |
| CN106152558A (en) * | 2015-03-26 | 2016-11-23 | 益科博能源科技（上海）有限公司 | Thermal insulation casing |
| CN204756309U (en) * | 2015-07-06 | 2015-11-11 | 生维国 | Vacuum insulation pipe |
| CN206258226U (en) * | 2016-12-20 | 2017-06-16 | 清华大学合肥公共安全研究院 | A kind of heating pipeline leakage monitoring system based on hot aqueous medium |
| CN206904394U (en) * | 2017-05-03 | 2018-01-19 | 苏州市万年通管业有限公司 | A kind of oxygen-resistant aluminum alloy lining PE RT air-conditionings enter return pipe |
| CN108029760A (en) * | 2017-12-12 | 2018-05-15 | 安徽正阳机械科技有限公司 | A kind of grain vacuum heat-preserving device and method thereof |
| CN208058258U (en) * | 2018-04-04 | 2018-11-06 | 中建二局安装工程有限公司 | The air-conditioning heat insulation pipe device of self-test antiseep |
| CN210375581U (en) * | 2019-05-20 | 2020-04-21 | 中国矿业大学(北京) | Automatic monitoring heat preservation pipe for geothermal exploitation of dry hot rock |
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