CN108981212A - Efficient underground heat well construction - Google Patents
Efficient underground heat well construction Download PDFInfo
- Publication number
- CN108981212A CN108981212A CN201810774886.3A CN201810774886A CN108981212A CN 108981212 A CN108981212 A CN 108981212A CN 201810774886 A CN201810774886 A CN 201810774886A CN 108981212 A CN108981212 A CN 108981212A
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- China
- Prior art keywords
- recharge
- pipe
- underground heat
- channel
- temperature sensing
- Prior art date
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 40
- 241000269793 Cryothenia peninsulae Species 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of efficient underground heat well constructions, in the pithead position of geothermal well, two-way well head is set, the two-way well head is respectively communicated with external watering cycle pipe and external recharge circulation pipe, and the external watering cycle pipe and external recharge circulation pipe are respectively communicated with the pumping channel and recharge channel installed in two-way well head；The pumping channel is connected with underground heat electric pump, and the lower end connection in recharge channel road is equipped with recharge and lets out pipe, and the recharge lets out pipe lower end and is provided with turbine blade.Generate electricity using recharge water, test tube and Fiber Optic Pyrometer can be used and carry out the long-term ground temperature dynamic monitoring of geothermal well complete opening, installation cost is small, it is easy to operate, be easily achieved, the ground temperature value of any depth in geothermal well can be monitored；Underground heat pumped well and the long-term ground temperature dynamic changes of inverted well can be monitored simultaneously, can use pumping channel branch pipe as needed, improve the heating efficiency of geothermal well heating engineering.
Description
Technical field
The present invention relates to geothermal utilization technical fields, more particularly, to a kind of efficient underground heat well construction.
Background technique
The thermal energy of the earth itself is the energy of inexhaustible and cheap environmental protection for the mankind, has developed the underground heat of reference
Technology, such as geothermal power generation, geothermal heating and GEOTHERMAL WATER heat source pump technology.The advantage that geothermal energy has it exclusive, first, underground heat
100% is controllable when energy；Second, underground heat energy storage capacity is sufficient；Third, geothermal energy are derived from underground, and environmental pollution is small.As environmental protection is anticipated
The raising of knowledge, clean energy resource are more and more paid attention to, and geothermal energy enters the public visual field with its environmentally protective feature.
Geothermal energy resources are aided with the mode of electric energy using water as medium using the temperature difference of earth's surface and earth's surface deep layer to realize the effect of its heating.
Existing geothermal energy resources are mostly acquired in the way of geothermal well, and a kind of efficient geothermal well knot how is arranged
Structure, this technical problem urgent need to resolve.
Summary of the invention
The present invention is in order to overcome at least one of the drawbacks of the prior art described above (deficiency).
In order to solve the above technical problems, primary and foremost purpose of the invention is: a kind of efficient underground heat well construction is provided, in underground heat
Two-way well head is arranged in the pithead position of well, and the two-way well head is respectively communicated with external watering cycle pipe and external recharge circulation pipe,
The external watering cycle pipe and external recharge circulation pipe connect respectively with the pumping channel and recharge channel installed in two-way well head
It is logical；The pumping channel is connected with underground heat electric pump, and the lower end connection in recharge channel road is equipped with recharge and lets out pipe, the recharge
It lets out pipe lower end and is provided with turbine blade.
Further, including several pumping channels branch pipe.
Further, the pumping channel is arranged in several pumping channels branch pipe and the tie point in pumping channel
At different depth.
Further, pumping channel branch pipe and external watering cycle pipe junction are provided with valve switch.
Further, including ground temperature dynamic monitor, the ground temperature dynamic monitor include temperature sensing fibre, light
Fibre protection steel pipe, wireless optical fiber (FBG) demodulator, data receiver reservoir, the temperature sensing fibre is vertical to be laid in geothermal well,
Fiber optic protection steel pipe is socketed on the outside of the temperature sensing fibre, the fiber optic protection steel pipe is fixed by fixed guiding principle card；The temperature
Geothermal well bottom is goed deep into the lower end of degree sensing optical fiber, and upper end connects wireless optical fiber (FBG) demodulator, wireless optical fiber (FBG) demodulator communication connection
Data receiver reservoir.
Further, the temperature sensing fibre is arranged in pumping channel/recharge channel/pumping channel branch pipe and pumping
The tie point in channel.
Further, the temperature sensing fibre is that steel wire reinforces temperature sensing fibre.
Further, the lower end of the temperature sensing fibre is connected with counterweight.
Compared with prior art, the beneficial effect of technical solution of the present invention is: generating electricity using recharge water, test tube can be used
Carry out the long-term ground temperature dynamic monitoring of geothermal well complete opening with Fiber Optic Pyrometer, installation cost is small, it is easy to operate, be easily achieved, can
Monitor the ground temperature value of any depth in geothermal well；Underground heat pumped well and the long-term ground temperature dynamic change feelings of inverted well can be monitored simultaneously
Condition can use pumping channel branch pipe as needed, improve the heating efficiency of geothermal well heating engineering.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of efficient one specific embodiment of underground heat well construction of the invention.
In figure, 1. recharge channels, 2. pumping channels, 3. turbine blades, 4. temperature sensing fibres, 5. thickening parts, 6. are taken out
Draw channel branch pipe, 7. outside watering cycle pipes.
Specific embodiment
The present invention is described in detail with embodiment with reference to the accompanying drawing.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, be also possible to be indirectly connected with by intermediary, it may be said that two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
In order to solve the above technical problems, primary and foremost purpose of the invention is: a kind of efficient underground heat well construction is provided, in underground heat
Two-way well head is arranged in the pithead position of well, and the two-way well head is respectively communicated with external watering cycle pipe and external recharge circulation pipe,
The external watering cycle pipe and external recharge circulation pipe connect respectively with the pumping channel and recharge channel installed in two-way well head
It is logical；The pumping channel is connected with underground heat electric pump, and the lower end connection in recharge channel road is equipped with recharge and lets out pipe, the recharge
It lets out pipe lower end and is provided with turbine blade.
As the improvement of specific embodiment, including several pumping channels branch pipe.
As the improvement of specific embodiment, the tie point in several pumping channels branch pipe and pumping channel is arranged described
At the different depth in pumping channel.
As the improvement of specific embodiment, pumping channel branch pipe and external watering cycle pipe junction are provided with valve
Switch.
As the improvement of specific embodiment, including ground temperature dynamic monitor, the ground temperature dynamic monitor includes temperature
Spend sensing optical fiber, fiber optic protection steel pipe, wireless optical fiber (FBG) demodulator, data receiver reservoir, the vertical cloth of temperature sensing fibre
It is located in geothermal well, fiber optic protection steel pipe is socketed on the outside of the temperature sensing fibre, the fiber optic protection steel pipe passes through fixed guiding principle
Card is fixed；Geothermal well bottom is goed deep into the lower end of the temperature sensing fibre, and upper end connects wireless optical fiber (FBG) demodulator, wireless optical fiber solution
Adjust instrument communication connection data receiver reservoir.Data receiver reservoir is arranged on the ground, can connect the equipment such as PC, real-time monitoring
The ground temperature dynamic of each point, control valve switch as needed.
As the improvement of specific embodiment, the temperature sensing fibre is arranged in pumping channel/recharge channel/pumping channel
The tie point of branch pipe and pumping channel.
As the improvement of specific embodiment, the temperature sensing fibre is that steel wire reinforces temperature sensing fibre.
As the improvement of specific embodiment, the lower end of the temperature sensing fibre is connected with counterweight.
Geothermal well pithead position install a two-way well head, the two-way well head be respectively communicated with external watering cycle pipe and
The pumping channel installed in external recharge circulation pipe, external watering cycle pipe and external recharge circulation pipe and two-way well head and recharge
Channel is respectively communicated with；Pumping channel is connected with underground heat electric pump, and the lower end connection in recharge channel road is equipped with recharge and lets out pipe, the recharge
It lets out pipe lower end and is provided with turbine blade.It can be used to generate electricity.
Several pumping channel branch pipes, pumping channel branch pipe and pumping are arranged in parallel in different depth in pumping channel
The junction in channel is provided with ground temperature dynamic monitor, and pumping channel branch pipe and external watering cycle pipe junction are provided with out
It closes.The circulation in usable switch cutoff pumping channel as needed, while opening the circulation of pumping channel branch pipe.
Ground temperature dynamic monitor, including temperature sensing fibre, fiber optic protection steel pipe, wireless optical fiber (FBG) demodulator, data connect
Storage etc. is stored up, the temperature sensing fibre is vertical to be laid in geothermal well, and socket optical fiber is protected on the outside of the temperature sensing fibre
Steel pipe is protected, the fiber optic protection steel pipe passes through fixed guiding principle fixing and is scheduled on pumping channel or recharge channel；The temperature sensing light
Geothermal well bottom is goed deep into fine lower end, and upper end connects wireless optical fiber (FBG) demodulator, wireless optical fiber (FBG) demodulator communication connection data receiver
Reservoir.The temperature sensing fibre is that steel wire reinforces temperature sensing fibre.Data receiver reservoir is arranged on the ground, can connect
Connect the equipment such as PC, the ground temperature dynamic of real-time monitoring each point, control valve switch as needed obtains and is suitable for or more preference temperature
Hot water etc..
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.In figure, position is described
It sets relationship only for illustration, should not be understood as the limitation to this patent；Obviously, the above embodiment of the present invention is only
To clearly illustrate example of the present invention, rather than a limitation of the embodiments of the present invention.For fields
For those of ordinary skill, other different forms of changes or modifications may be made based on the above description.Here without
It needs also be exhaustive all embodiments.It is done within the spirit and principles of the present invention it is any modification, etc.
With replacement and improvement etc., should all be included in the scope of protection of the claims of the present invention.
Claims (8)
1. a kind of efficient underground heat well construction, it is characterised in that: in the pithead position of geothermal well, two-way well head is set, it is described two-way
Well head is respectively communicated with external watering cycle pipe and external recharge circulation pipe, the external watering cycle pipe and external recharge circulation pipe
It is respectively communicated with the pumping channel and recharge channel installed in two-way well head；The pumping channel is connected with underground heat electric pump, described
The lower end connection in recharge channel road is equipped with recharge and lets out pipe, and the recharge lets out pipe lower end and is provided with turbine blade.
2. efficient underground heat well construction according to claim 1, it is characterised in that: including several pumping channels branch pipe.
3. efficient underground heat well construction according to claim 2, it is characterised in that: several pumping channels branch pipe and pumping
The tie point for drawing channel is arranged at the different depth in the pumping channel.
4. efficient underground heat well construction according to claim 2, it is characterised in that: pumping channel branch pipe and outside are given
Water-circulating pipe junction is provided with valve switch.
5. efficient underground heat well construction according to claim 1, it is characterised in that: including ground temperature dynamic monitor, institute
Stating ground temperature dynamic monitor includes temperature sensing fibre, fiber optic protection steel pipe, wireless optical fiber (FBG) demodulator, data receiver storage
Device, the temperature sensing fibre is vertical to be laid in geothermal well, and fiber optic protection steel pipe, institute are socketed on the outside of the temperature sensing fibre
Fiber optic protection steel pipe is stated to fix by fixed guiding principle card；Geothermal well bottom, upper end connection are goed deep into the lower end of the temperature sensing fibre
Wireless optical fiber (FBG) demodulator, wireless optical fiber (FBG) demodulator communication connection data receiver reservoir.
6. efficient underground heat well construction according to claim 5, it is characterised in that: the temperature sensing fibre setting is being taken out
Draw channel/recharge channel/pumping channel branch pipe and pumping channel tie point.
7. efficient underground heat well construction according to claim 5, it is characterised in that: the temperature sensing fibre adds for steel wire
Strong temperature sensing fibre.
8. efficient underground heat well construction according to claim 5, it is characterised in that: the lower end of the temperature sensing fibre connects
It is connected to counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774886.3A CN108981212A (en) | 2018-07-16 | 2018-07-16 | Efficient underground heat well construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774886.3A CN108981212A (en) | 2018-07-16 | 2018-07-16 | Efficient underground heat well construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108981212A true CN108981212A (en) | 2018-12-11 |
Family
ID=64548577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810774886.3A Pending CN108981212A (en) | 2018-07-16 | 2018-07-16 | Efficient underground heat well construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108981212A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567176B (en) * | 2019-09-11 | 2024-09-03 | 保定顺昌钻井工程有限公司 | Method for developing geothermal energy by using old well |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120011849A1 (en) * | 2010-01-21 | 2012-01-19 | Cole Barry R | Ocean Thermal Energy Conversion Power Plant |
| CN203412691U (en) * | 2013-07-12 | 2014-01-29 | 丁学涧 | Intelligent wind powder pumped storage type power supply device |
| CN206191984U (en) * | 2016-11-16 | 2017-05-24 | 天津荏源机械科技有限公司 | System for adjust underearth system flow with thermometer |
-
2018
- 2018-07-16 CN CN201810774886.3A patent/CN108981212A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120011849A1 (en) * | 2010-01-21 | 2012-01-19 | Cole Barry R | Ocean Thermal Energy Conversion Power Plant |
| CN203412691U (en) * | 2013-07-12 | 2014-01-29 | 丁学涧 | Intelligent wind powder pumped storage type power supply device |
| CN206191984U (en) * | 2016-11-16 | 2017-05-24 | 天津荏源机械科技有限公司 | System for adjust underearth system flow with thermometer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567176B (en) * | 2019-09-11 | 2024-09-03 | 保定顺昌钻井工程有限公司 | Method for developing geothermal energy by using old well |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |