CN205690487U - A kind of hot dry rock heating installation - Google Patents
A kind of hot dry rock heating installation Download PDFInfo
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- CN205690487U CN205690487U CN201620603515.5U CN201620603515U CN205690487U CN 205690487 U CN205690487 U CN 205690487U CN 201620603515 U CN201620603515 U CN 201620603515U CN 205690487 U CN205690487 U CN 205690487U
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- water
- dry rock
- heat exchanger
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- hot dry
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Abstract
A kind of hot dry rock heating installation, including underground hot dry rock recuperated cycle system and the heat-exchange system that heats on the ground；State underground hot dry rock recuperated cycle system and include heat exchanger and vertical shaft, vertical shaft includes inner tube, inner tube outside socket outer tube, inner tube injects the hot water through hot dry rock heating to heat exchanger, and the cooling water after heat exchanger heat exchange flows into hot dry rock by the passage between inner and outer tubes to carry out being heated as hot water entrance inner tube.Described ground heating heat-exchange system includes heat exchanger and subscriber equipment, and after hot water is sent into subscriber equipment by heat exchanger, the cooling water through subscriber equipment reenters heat exchanger and carries out heat exchange.Not groundwater abstraction of the present utility model, uses the water that the heating of anhydrous hot dry rock is injected, saving water resource, is not required to recharge, it is to avoid the probability of underground water pollution simultaneously.
Description
Technical field
This utility model belongs to the device using geothermal heating system, particularly relates to a kind of hot dry rock heating installation.
Background technology
Hot dry rock is buried in the thermal source of underground (less than 2000 meters) deep layer as one, for green, the renewable energy of environmental protection
Source, is developed and popularization and application in recent years, and its market potential is huge.
At present, conventional hot dry rock recovery method is: one is individual well groundwater abstraction, does not recharges, directly utilizes (such as hot spring
Deng), waste water resource；Two is individual well groundwater abstraction (wet well), is around equipped with one or several inverted wells, by height
Pressure break gap method makes wet well communicate with inverted well underground, forms a underground heat circulation, and the heat of extraction increases a lot, but makes
Valency is the highest；Three is for generating electricity by cryogenic media.Furthermore the traditional well-digging method used due to existing recovery method, needs
Want retaining wall, perforation, high pressure crack, leakproof, leak stopping, anti-collapse, well-flushing, etc. complicated technique, its bit speed is slow, drilling well people, machine,
Consumables cost is the highest, therefore becomes well cost the highest (heating, Incremental Investment is more than 250 yuan/square) by building.This is also deep
Layer underground heat can not the immediate cause of spread.
Utility model content
The shortcomings such as above-mentioned deficiency and drilling cost be high, this practicality is there is for hot dry rock exploitation prior art
Novel purpose is to provide the hot dry rock heating installation of a kind of water saving, is not only able to avoid water resource waste, water pollution, potential
Geological disaster, reduces Energy Consumption of Construction, reduces drilling cost.
This utility model is by the following technical solutions:
A kind of hot dry rock heating installation, including underground hot dry rock recuperated cycle system and the heat-exchange system that heats on the ground；
Described underground hot dry rock recuperated cycle system includes heat exchanger and vertical shaft, and vertical shaft includes inner tube, inner tube
Outside socket outer tube, the hot water that inner tube heats through hot dry rock to heat exchanger injection, the cooling water after heat exchanger heat exchange is by interior
Passage between pipe and outer tube flows into hot dry rock to carry out being heated as hot water entrance inner tube；
Described ground heating heat-exchange system includes heat exchanger and subscriber equipment, after hot water is sent into subscriber equipment by heat exchanger,
Cooling water through subscriber equipment reenters heat exchanger and carries out heat exchange.
Described vertical shaft is no less than one, and when arranging multiple vertical shaft, underground hot dry rock recuperated cycle system is also
Including water collector and water knockout drum, the hot water that described water collector injects for the inner tube collecting all vertical shafts, it is then fed into changing
Hot device swaps, and described water knockout drum is in the outer tube that the cooling flowed out from heat exchanger water injects different vertical shafts.
When described ground heating heat-exchange system is arranged no less than a subscriber equipment, also include user side water collector and user
Side water knockout drum, the hot water of heat exchanger is distributed into different subscriber equipmenies, described user side water collector by described user side water knockout drum
The cooling water of collection different user devices reenters heat exchanger and carries out heat exchange.
On pipeline between described user side water knockout drum and subscriber equipment, pipeline pump is set.
Said inner tube lower end arranges outlet, and it is integrated that described outer tube upper end arranges upper end cover, the integrated upper connection of upper end cover with
The hot-water line that inner tube communicates, hot-water line arranges the kinetic pump of extraction hot water.
The side on described outer tube top has the water return outlet making cooling water flow into.
The bottom Nm arrangement above heat-insulation layer of described outer tube, the bottom Nm medium sand arranged below of described outer tube and/or fine sand.
The beneficial effects of the utility model: (1) not groundwater abstraction, use the water that the heating of anhydrous hot dry rock is injected, joint
About water resource, be not required to recharge simultaneously, it is to avoid the probability of underground water pollution.(2) on the ground pipeline arranges kinetic pump to carry out
Drawing water, it is not necessary to the underground below 1000 meters arranges immersible pump, and diving pump lift is high, power is big, increases the fortune of system
Row expense；And this utility model is owing to taking closed circulation system, cost is the lowest.
Accompanying drawing explanation
Fig. 1 is system diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1 and detailed description of the invention this utility model is described in further detail.
As it is shown in figure 1, this utility model provides a kind of hot dry rock heating installation, including underground hot dry rock recuperated cycle system
With heating heat-exchange system on the ground, they are closed loop system.Underground hot dry rock recuperated cycle system and on the ground heating heat-exchange system
All by heat exchanger 11, carry out heat exchange.
Underground hot dry rock recuperated cycle system includes heat exchanger 11 and vertical shaft, and vertical shaft includes inner tube 3, inner tube 3
Outside socket outer tube 4, the gap of existing formation passage between inner tube 3 and outer tube 4, inner tube 3 is injected through hot dry rock to heat exchanger 11
The hot water of heating, the cooling water after heat exchanger 11 heat exchange flows into hot dry rock by the passage between inner tube 3 and outer tube 4 and adds
Heat becomes hot water, and hot water is again introduced into inner tube 3, and then entrance heat exchanger carries out heat exchange.
Heating heat-exchange system includes heat exchanger 11 and subscriber equipment 14 on the ground, and hot water is sent into subscriber equipment by heat exchanger 11
After, the end matchmaker through subscriber equipment cools down water and reenters heat exchanger 11 and carry out heat exchange.Subscriber equipment can be surface duct or
Person's caliduct or other firing equipments.
Can arrange no less than one when vertical shaft is arranged, be configured as required, when arranging multiple vertical shaft,
Needing to carry out collecting heat exchange by the hot water of multiple vertical shafts, now underground hot dry rock recuperated cycle system also includes water collector 9
With water knockout drum 10, water collector 9 connects with the inner tube 3 of all of vertical shaft, for collect all inner tubes flow out through xeothermic
The hot water of rock heating, the hot water of collection sent into heat exchanger 11 and swaps by water collector 9 together, and the cooling water after exchange enters point
Hydrophone 10, water knockout drum 10 is by from outer tube 4 and the inner tube 3 changing cooling water and being injected by different pipeline respectively different vertical shafts
Between passage in formed circulation.
Heating heat-exchange system also includes, no less than a subscriber equipment, now arranging user side water collector 13 and user on the ground
Side water knockout drum 14, user side water knockout drum 14 is connected for collecting heated hot water with heat exchanger 11, and user side water knockout drum 14 will
Hot water is distributed into different subscriber equipmenies, and the cooling water through subscriber equipment enters user side water collector 13, the most jointly enters
Heat exchanger 11 carries out heat exchange, and the hot water after exchange is again introduced into user side water knockout drum 14, forms circulation.
Inner tube 3 lower end arranges the outlet 6 that the hot water making hot dry rock heat carries out in inner tube 3, and the upper end of outward appearance 3 is arranged
End cap integrated 5, upper end cover integrated 5 is arranged on inner tube 3 and outer tube 4, is connect by flange or is welded on outer tube top, by outer tube
Top seal, interior upper end cover integrated 5 connects the hot-water line communicated with inner tube 3, and hot-water line selects steel pipe, steel pipe upper end, lower end
Be welded with can with wire connection or welding or thermal welding or the joint of electric-fusion, the inner tube 3 upper end lower end connector integrated with upper end cover with
The mode of thermal welding or electric-fusion or wire connection is connected.The kinetic pump 8 of extraction hot water is set on hot-water line.
The outlet 6 of inner tube 3 lower end is arranged on correct position, such as at 1 5m, and this outlet is for having M cavity
Outlet.
The side on outer tube 4 top has the water return outlet 7 making cooling water flow into.The bottom Nm arrangement above heat-insulation layer of outer tube 4
1, heat-insulation layer be arranged on outer tube 4 and boring between, wherein N arrange according to well depth arrange, as a rule select 100 ~ 500m with
On position, medium sand that the bottom Nm heat transfer property arranged below of outer tube 4 is excellent and/or fine sand.Wherein heat-insulation layer is polyurethane
Insulating foam layer, its purpose is the conduction of heat for reducing the hot water in underground high-temperature-hot-water, outer tube and top soil, improves system
System efficiency.
The inner tube 3 of above-mentioned vertical shaft and outer tube 4 are arranged in boring, and generally arranging boring aperture is 300 ~ 600mm,
Well depth is 1000 ~ 4000m.The vertical perpendicular outer tube 4 being embedded in boring is chosen as J55, N80 steel pipe or J55, N80 and is combined with PE pipe
, bore be the outer tube of DN180 400mm, select material be plastics, the bores such as PVC, PPR, PE be the interior of DE80 200mm
Pipe 3.The upper end cover connect with flange with outer tube top or weld is integrated；And the polyurethane foam guarantor between outer tube and drill hole inner wall
Temperature layer.
Above-mentioned collection in technical solutions of the utility model, water knockout drum, for conventional insulation collection, water knockout drum；When overall project
Time bigger, each underground hot dry rock heat-exchange system is provided with suitable pipeline pump in heat exchange station machine room, simultaneously in order to protect
Demonstrate,prove each loine pressure balance, at horizontal tube and collection, water knockout drum seam equipped with balanced valve, stop valve during installation.
Above-mentioned heat exchanger 11 is efficient heat-pipe heat-exchanger.
Owing to whole system is two closed systems, before trail run, water filling, bulge test, after satisfied design requires,
Can be properly functioning.
Time properly functioning, the water inlet 6 from inner tube 3 bottom of the high-temperature-hot-water in 8 inner tubes 3 of kinetic pump is evacuated to water collector 9
In, then pump pressure effect under enter efficient heat-pipe heat-exchanger 11 carry out heat exchange, the water at low temperature after heat exchange through water knockout drum 10, point
Water lines, water return outlet 7 enter in outer tube 4, arrive its underpart again due to action of gravity, complete a underground heat exchange circulation.User side
In, the high-temperature water after efficient heat-pipe heat-exchanger 11 heat exchange enters user through user side water knockout drum 14 under the effect of pipeline pump 12
Equipment, subscriber equipment cooling water out enters user side water collector 13, completes a heat exchange, heating cycle process.
In sum, this utility model hot dry rock heating installation is used to have the advantage that
1, due to not groundwater abstraction, saving water resource, it is not required to recharge, it is to avoid the probability of underground water pollution simultaneously.
2, need not lower immersible pump in the deep-well below 1000 meters, diving pump lift is high, power is big, increases system
Operating cost；This utility model is owing to taking closed circulation system, and each hot dry rock heat-exchange system has only in heat exchange machine room
Installing the pipeline pump of an about 2.5KW, according to measuring and calculating, single port hot dry rock heat-exchange system can heat 1 1.5 ten thousand squares,
One running cost for warm season heat source side is less than 0.5 yuan/square.
3, due to not groundwater abstraction, need not in drilling process or reduce well cementation, penetrate well, leakproof, leak stopping, anti-collapse,
The construction technologies such as high pressure crack, well-flushing, people, machine, material, power consumption be greatly lowered, and therefore drilling cost is lower.
Claims (7)
1. a hot dry rock heating installation, it is characterised in that: include underground hot dry rock recuperated cycle system and heating heat exchange on the ground
System；
Described underground hot dry rock recuperated cycle system includes heat exchanger (11) and vertical shaft, and vertical shaft includes inner tube (3), interior
Pipe (3) outside socket outer tube (4), inner tube (3) is injected the hot water through hot dry rock heating to heat exchanger (11), is changed through heat exchanger (11)
Cooling water after heat flows into hot dry rock by the passage between inner tube (3) and outer tube (4) to carry out being heated as hot water entrance inner tube
(3)；
Described ground heating heat-exchange system includes that hot water is sent into subscriber equipment by heat exchanger (11) and subscriber equipment, heat exchanger (11)
After, the cooling water through subscriber equipment reenters heat exchanger (11) and carries out heat exchange.
A kind of hot dry rock heating installation the most according to claim 1, it is characterised in that: described vertical shaft is no less than one
Individual, when arranging multiple vertical shaft, underground hot dry rock recuperated cycle system also includes water collector (9) and water knockout drum (10), institute
State water collector (9) and be used for collecting the hot water that the inner tube of all vertical shafts is injected, be then fed into heat exchanger (11) and swap, institute
State water knockout drum (10) for injecting the outer tube (4) of different vertical shafts from the cooling water that heat exchanger (11) flow out.
A kind of hot dry rock heating installation the most according to claim 1, it is characterised in that: described ground heating heat-exchange system sets
When putting no less than a subscriber equipment, also including user side water collector (13) and user side water knockout drum (14), described user side is divided
The hot water of heat exchanger (11) is distributed into different subscriber equipmenies by hydrophone (14), and described user side water collector (13) is collected difference and used
The cooling water of family equipment reenters heat exchanger (11) and carries out heat exchange.
A kind of hot dry rock heating installation the most according to claim 3, it is characterised in that: described user side water knockout drum (14) and
Pipeline pump (12) is set on the pipeline between subscriber equipment (15).
A kind of hot dry rock heating installation the most according to claim 1, it is characterised in that: said inner tube (3) lower end is arranged out
The mouth of a river (6), described outer tube (4) upper end arranges upper end cover integrated (5), and upper end cover integrated (5) above connects the heat communicated with inner tube (3)
Water pipe, hot-water line arranges the kinetic pump (8) of extraction hot water.
A kind of hot dry rock heating installation the most according to claim 1, it is characterised in that: the side on described outer tube (4) top
Have the water return outlet (7) making cooling water flow into.
7. according to a kind of hot dry rock heating installation described in Claims 2 or 3, it is characterised in that: the bottom Nm of described outer tube (4)
Arrangement above heat-insulation layer (1), the bottom Nm medium sand arranged below of described outer tube (4) and/or fine sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603515.5U CN205690487U (en) | 2016-06-20 | 2016-06-20 | A kind of hot dry rock heating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620603515.5U CN205690487U (en) | 2016-06-20 | 2016-06-20 | A kind of hot dry rock heating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205690487U true CN205690487U (en) | 2016-11-16 |
Family
ID=57416142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620603515.5U Expired - Fee Related CN205690487U (en) | 2016-06-20 | 2016-06-20 | A kind of hot dry rock heating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205690487U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885385A (en) * | 2017-03-24 | 2017-06-23 | 东晨干热岩热力有限公司 | Individual well hot dry rock heat energy extraction system |
| CN106940098A (en) * | 2017-04-17 | 2017-07-11 | 山西泰杰地能干热岩有限公司 | Ground energy hot dry rock heat-exchanger rig and its heat-exchange method |
| CN106969393A (en) * | 2017-05-17 | 2017-07-21 | 中能服能源科技股份有限公司 | A kind of gas fired-boiler heat supply and hot dry rock heat supply combining heating system |
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN107192063A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of hot heat exchanging holes of utilization mid-deep strata interference-free rock make the System and method for of Cooling and Heat Source |
| CN107227975A (en) * | 2017-06-06 | 2017-10-03 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| 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 |
| CN107975953A (en) * | 2017-12-01 | 2018-05-01 | 西安交通大学 | Wing heat exchange structure and stepped utilization method in one kind extraction dry-hot-rock geothermal energy |
| CN108916966A (en) * | 2018-09-17 | 2018-11-30 | 陈奎宏 | A kind of independent micro pump water segregator and tube-in-tube thermal cycle system |
| CN113701370A (en) * | 2021-08-30 | 2021-11-26 | 山东科技大学 | Device and method for supplying heat by using underground dry heat source |
-
2016
- 2016-06-20 CN CN201620603515.5U patent/CN205690487U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885385B (en) * | 2017-03-24 | 2019-03-22 | 东晨干热岩热力有限公司 | Individual well hot dry rock thermal energy extraction system |
| CN106885385A (en) * | 2017-03-24 | 2017-06-23 | 东晨干热岩热力有限公司 | Individual well hot dry rock heat energy extraction system |
| CN106940098A (en) * | 2017-04-17 | 2017-07-11 | 山西泰杰地能干热岩有限公司 | Ground energy hot dry rock heat-exchanger rig and its heat-exchange method |
| CN106940098B (en) * | 2017-04-17 | 2022-11-18 | 山西泰杰地能干热岩有限公司 | Geothermal energy dry and hot rock heat exchange device and heat exchange method thereof |
| CN106969393A (en) * | 2017-05-17 | 2017-07-21 | 中能服能源科技股份有限公司 | A kind of gas fired-boiler heat supply and hot dry rock heat supply combining heating system |
| CN107227975A (en) * | 2017-06-06 | 2017-10-03 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| CN107227975B (en) * | 2017-06-06 | 2018-01-09 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| CN107191993A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata interference-free rock hot systems and gas fired-boiler combining heating system |
| CN107192063A (en) * | 2017-07-10 | 2017-09-22 | 陕西德龙地热开发有限公司 | A kind of hot heat exchanging holes of utilization mid-deep strata interference-free rock make the System and method for of Cooling and Heat Source |
| 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 |
| CN107975953A (en) * | 2017-12-01 | 2018-05-01 | 西安交通大学 | Wing heat exchange structure and stepped utilization method in one kind extraction dry-hot-rock geothermal energy |
| CN107975953B (en) * | 2017-12-01 | 2023-09-08 | 西安交通大学 | Heat exchange structure for extracting geothermal energy of dry-heated rock and inner fin and cascade utilization method |
| CN108916966A (en) * | 2018-09-17 | 2018-11-30 | 陈奎宏 | A kind of independent micro pump water segregator and tube-in-tube thermal cycle system |
| CN108916966B (en) * | 2018-09-17 | 2023-06-06 | 陈奎宏 | Independent miniature water pump water knockout drum and pipe-in-pipe geothermal circulation system |
| CN113701370A (en) * | 2021-08-30 | 2021-11-26 | 山东科技大学 | Device and method for supplying heat by using underground dry heat source |
| CN113701370B (en) * | 2021-08-30 | 2022-09-02 | 山东科技大学 | Device and method for supplying heat by using underground dry heat source |
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Effective date of registration: 20161216 Granted publication date: 20161116 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20201216 Granted publication date: 20161116 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |