CN207113273U - A kind of mid-deep strata geothermal energy direct heating system - Google Patents
A kind of mid-deep strata geothermal energy direct heating system Download PDFInfo
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- CN207113273U CN207113273U CN201720830799.6U CN201720830799U CN207113273U CN 207113273 U CN207113273 U CN 207113273U CN 201720830799 U CN201720830799 U CN 201720830799U CN 207113273 U CN207113273 U CN 207113273U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 239000011435 rock Substances 0.000 claims abstract description 36
- 238000012546 transfer Methods 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009825 accumulation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- 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
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Abstract
A kind of mid-deep strata geothermal energy direct heating system, including the geothermal energy heat exchanger being arranged in the ground hot heat exchanging holes of rock, geothermal energy heat exchanger top is soaking zone, bottom is high-temperature heat transfer section, there is output middle tube inside, the geothermal energy heat exchanger is marked with heat transferring medium, heat transferring medium is exchanged heat in the high-temperature heat transfer section with underground high-temperature heat accumulation rock stratum, heat transferring medium is delivered to the progress heat supply of user end by kinetic pump by exporting middle tube, heat transferring medium returns to geothermal energy heat exchanger after heat supply, forms circulation loop；The system technique is simple, takes heat not fetch water, realizes the low cost, high efficiency, glitch-free utilization of geothermal energy.
Description
Technical field
The invention belongs to geothermal energy development technical field, more particularly to a kind of mid-deep strata geothermal energy direct heating system.
Background technology
Geothermal energy is derived from melting magma and the decay of radioactive substance of the earth, and renewable existing in the form of heating power
Performance source.Mid-deep strata interference-free rock heat utilization at present is mainly based on heat-exchange unit indirect heating, while its U-shaped heat exchanger
Invest larger, heat exchange link is complicated, and heat loss is larger, and power consumption is larger.
The content of the invention
The shortcomings that in order to overcome above-mentioned prior art, it is an object of the invention to provide a kind of mid-deep strata geothermal energy directly to supply
Hot systems, heating system using circulating all the way, by the geothermal energy direct heating displaced in the hot heat exchanging holes of ground rock to user end
End；The geothermal energy heat exchanger structure installed in system is divided into two parts of soaking zone and high-temperature heat transfer section；Wherein：Geothermal energy exchanges heat
0~1000 meter of device upper part is soaking zone, and 1000~5000m of lower part are high-temperature heat transfer section；The final heat exchange for reducing system
Link, improve heat exchange efficiency, reduce heat exchange loss, heat supply running expense substantially reduced, geothermal energy utilization into
This is further reduced.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of mid-deep strata geothermal energy direct heating system, including the geothermal energy heat exchanger being arranged in the ground hot heat exchanging holes 9 of rock,
Geothermal energy heat exchanger top is soaking zone 2, and bottom is high-temperature heat transfer section 4, and there are output middle tube 3, the geothermal energy heat exchange in inside
Device is marked with heat transferring medium, and heat transferring medium is exchanged heat in the high-temperature heat transfer section 4 with underground high-temperature heat accumulation rock stratum, kinetic pump 6
Heat transferring medium is delivered to user end 7 by exporting middle tube 3 and carries out heat supply, heat transferring medium returns to geothermal energy heat exchange after heat supply
Device, form circulation loop.
The top of soaking zone 2 sets No. two water knockout drums 1, is connected all the way with output middle tube 3, logical for heat transferring medium outflow
Road, another way are connected on the outside of output middle tube 3 in geothermal energy heat exchanger, and path is flowed into for heat transferring medium, output middle tube 3
Bottom is hanging.
The bottom of the geothermal energy heat exchanger is fixed by stable cone 5.
Rock hot heat exchanging holes 9 in described ground are the mid-deep strata ground hot heat exchanging holes of rock.
Rock hot heat exchanging holes 9 in described ground are the hermetically hot heat exchanging holes of rock.
9 a diameter of 100~500 millimeters of the hot heat exchanging holes of described ground rock.
The depth of soaking zone 2 is 0~1000 meter, and the pipe laying depth of high-temperature heat transfer section 4 is 1000~5000m.
The geothermal energy heat exchanger is arranged to one group or multigroup, and quantity, caliber and the depth of burying are according to thermal load demands
It is determined that when for it is multigroup when, be distributed in the hot heat exchanging holes 9 of multiple ground rock, set using parallel form.
The kinetic pump 6 connects the control system 8 controlled it.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention improves the heat-exchange system structure design of interference-free rock heat, the ground hot heating system of rock is substantially reduced
Cost of investment, improve heat exchange efficiency；
(2) present invention process is simple, and heat transferring medium completes heat exchange in heat exchanging holes closed system, takes heat not fetch water, and realizes
Geothermal energy is noiseless, efficient utilization, really realizes the zero-emission of pollutant in heat supplying process；
(3) The present invention reduces heat exchange link, the utilization ratio of geothermal energy is improved, reduces the use cost of geothermal energy.
(4) control system of the present invention, by controlling power pump discharge, adjustment heating load, can realize ground according to user's request
Controllable, the efficient utilization of heat energy.
Brief description of the drawings
Fig. 1 is mid-deep strata geothermal energy direct heating system single hole schematic diagram.
Fig. 2 is the porous parallel-connected schematic diagram of mid-deep strata geothermal energy direct heating system.
Reference：
1, No. two water knockout drums；2, geothermal energy heat exchanger soaking zone；3, export middle tube；4, the heat exchange of geothermal energy heat exchanger high temperature
Section；5, stable cone；6, kinetic pump；7, user end；8, control system；9, the hot heat exchanging holes of ground rock.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of mid-deep strata geothermal energy direct heating system, using underground heat energy storage capacity is big, reproducible feature,
Provide the user reliable and stable, inexpensive clean energy resource.Its one group of geothermal energy for including being arranged in the ground hot heat exchanging holes 9 of rock is changed
Hot device, geothermal energy heat exchanger are tubulose, and bottom is fixed by stable cone 5, and there are the hanging middle tube 3 in output bottom, top in inside
For soaking zone 2, bottom is high-temperature heat transfer section 4, and the top of soaking zone 2 sets No. two water knockout drums 1, and delivery port connects with output middle tube 3
Connect, flow out path for heat transferring medium, water return outlet is connected on the outside of output middle tube 3 in geothermal energy heat exchanger, is heat exchanging medium flow
Enter path.
Geothermal energy heat exchanger is marked with heat transferring medium, and heat transferring medium enters in high-temperature heat transfer section 4 with underground high-temperature heat accumulation rock stratum
Heat transferring medium is delivered to user end 7 by exporting middle tube 3 and carries out heat supply, heat transferring medium after heat supply by row heat exchange, kinetic pump 6
Geothermal energy heat exchanger is returned, forms circulation loop.Kinetic pump 6 is controlled using control system 8.
In figure, heat transferring medium enters the ground hot heat exchanging holes 9 of rock from the water return outlet of No. two water knockout drum 1, through 4 same accumulation of heat of high-temperature heat transfer section
After the heat exchange of rock stratum, in the presence of kinetic pump 6, enter access customer end 7 under output middle tube 3 and realize heat supply, after pass through two tunnels
Water knockout drum 1 returns to reciprocation cycle in the ground hot heat exchanging holes 9 of rock.
The hot heat exchanging holes 9 of ground rock involved in the present invention are preferably the mid-deep strata ground hot heat exchanging holes of rock, but are not limited to mid-deep strata
The hot heat exchanging holes of ground rock.Geothermal energy heat-exchange system is preferably closed heat-exchange system, but is not limited to closed heat and changes system.
As preferable parameter, the diameter range of the hot heat exchanging holes 9 of ground rock involved in the present invention is 100~500 millimeters；Insulation
2 depth of section are 0~1000 meter, and the pipe laying depth of high-temperature heat transfer section 4 is 1000~5000m.Soaking zone 2 is less than using thermal conductivity factor
0.3W/mk insulation material insulation, high-temperature heat transfer section 4 use the special processing of steel material.
The quantity of geothermal energy heat exchanger, caliber and the depth of burying determine according to thermal load demands in the present invention；Work as geothermal energy
When heat exchanger is multigroup, it is distributed in the hot heat exchanging holes 9 of multiple ground rock, is set using parallel form, as shown in Figure 2.
To sum up, the present invention is based on the hot heat supply process of interference-free rock, by geothermal energy heat exchanger by the heat energy of deep under ground
Export, is realized to user's heat supply.One or more groups of geothermal energy heat exchangers are set in accumulation of heat rock stratum, heat transferring medium, group are filled in system
Into heat-exchange system, site preparation heat energy is extracted in the ground hot heat exchanging holes of rock and completed.Heat transferring medium is in the hot heat exchanging holes of ground rock with accumulation of heat rock
Layer carries out heat exchange and absorbs geothermal energy, and user is delivered to through power pump circulation.The system technique is simple, takes heat not fetch water, realizes
The low cost of geothermal energy, high efficiency, glitch-free utilization.
Claims (9)
1. a kind of mid-deep strata geothermal energy direct heating system, it is characterised in that including the ground being arranged in the ground hot heat exchanging holes of rock (9)
Thermal energy heat exchanger, geothermal energy heat exchanger top are soaking zone (2), and bottom is high-temperature heat transfer section (4), and there is output middle tube inside
(3), the geothermal energy heat exchanger is marked with heat transferring medium, heat transferring medium in the high-temperature heat transfer section (4) with underground high-temperature heat accumulation
Rock stratum is exchanged heat, and heat transferring medium is delivered to user end (7) progress heat supply by kinetic pump (6) by exporting middle tube (3), is supplied
Heat transferring medium returns to geothermal energy heat exchanger after heat, forms circulation loop.
2. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that at the top of the soaking zone (2)
No. two water knockout drums (1) are set, are connected all the way with output middle tube (3), flow out path for heat transferring medium, another way is connected on geothermal energy
On the outside of output middle tube (3) in heat exchanger, path is flowed into for heat transferring medium, the bottom of output middle tube (3) is hanging.
3. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that the geothermal energy heat exchanger
Bottom is fixed by stable cone (5).
4. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that the hot heat exchanging holes of described ground rock
(9) it is the mid-deep strata ground hot heat exchanging holes of rock.
5. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that the heat transferring medium is closed
Run in system, only take underground heat energy not take geothermal water.
6. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that the hot heat exchanging holes of described ground rock
(9) a diameter of 100~500 millimeters.
7. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that soaking zone (2) depth
For 0~1000 meter, high-temperature heat transfer section (4) pipe laying depth is 1000~5000m.
8. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that the geothermal energy heat exchanger is set
Be set to one group or multigroup, quantity, caliber and the depth of burying determine according to thermal load demands, when for it is multigroup when, be distributed in multiple
In the hot heat exchanging holes of ground rock (9), set using parallel form.
9. mid-deep strata geothermal energy direct heating system according to claim 1, it is characterised in that kinetic pump (6) connection
The control system (8) controlled it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830799.6U CN207113273U (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata geothermal energy direct heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830799.6U CN207113273U (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata geothermal energy direct heating system |
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| Publication Number | Publication Date |
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| CN207113273U true CN207113273U (en) | 2018-03-16 |
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| CN201720830799.6U Expired - Fee Related CN207113273U (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata geothermal energy direct heating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255370A (en) * | 2017-07-10 | 2017-10-17 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata geothermal energy direct heating system |
| CN110410849A (en) * | 2019-05-09 | 2019-11-05 | 陕西学为清洁能源科技有限公司 | A kind of novel mid-deep strata geothermal energy individual event heating system |
| CN110748945A (en) * | 2018-07-24 | 2020-02-04 | 甘肃德龙地热科技有限公司 | Solar energy and middle-deep layer non-interference geothermal heat combined heating system |
| WO2021078306A1 (en) * | 2019-10-25 | 2021-04-29 | 甘肃省建材科研设计院有限责任公司 | Mid-depth underground petrothermal heat supply system, and heat supplying method |
-
2017
- 2017-07-10 CN CN201720830799.6U patent/CN207113273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255370A (en) * | 2017-07-10 | 2017-10-17 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata geothermal energy direct heating system |
| CN110748945A (en) * | 2018-07-24 | 2020-02-04 | 甘肃德龙地热科技有限公司 | Solar energy and middle-deep layer non-interference geothermal heat combined heating system |
| CN110410849A (en) * | 2019-05-09 | 2019-11-05 | 陕西学为清洁能源科技有限公司 | A kind of novel mid-deep strata geothermal energy individual event heating system |
| WO2021078306A1 (en) * | 2019-10-25 | 2021-04-29 | 甘肃省建材科研设计院有限责任公司 | Mid-depth underground petrothermal heat supply system, and heat supplying method |
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Granted publication date: 20180316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |