CN109237586A - Deep geothermal heat indirect heating system - Google Patents
Deep geothermal heat indirect heating system Download PDFInfo
- Publication number
- CN109237586A CN109237586A CN201710450655.2A CN201710450655A CN109237586A CN 109237586 A CN109237586 A CN 109237586A CN 201710450655 A CN201710450655 A CN 201710450655A CN 109237586 A CN109237586 A CN 109237586A
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- China
- Prior art keywords
- water
- heat
- heat exchanger
- heating
- geothermal
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 13
- 239000008236 heating water Substances 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-PWCQTSIFSA-N Tritiated water Chemical compound [3H]O[3H] XLYOFNOQVPJJNP-PWCQTSIFSA-N 0.000 abstract description 3
- 239000000284 extract Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000003020 moisturizing effect Effects 0.000 description 5
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/11—Geothermal energy
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to heating technology fields, more particularly to a kind of deep geothermal heat indirect heating system, it includes first-class heat exchanger, secondary heat exchanger and water resource heat pump, deep geothermal resources is applied in house heating in such a way that the heating of indirect deep geothermal heat is combined with water resource heat pump heat supply, concrete application are as follows: in the heating of indirect deep geothermal heat, GEOTHERMAL WATER not directly enters user terminal end heating system, but transfers heat to heating pipe network recirculated water using first-class heat exchanger；In order to further extract the heat of GEOTHERMAL WATER, it will be exchanged heat by once exchanging heat resulting GEOTHERMAL WATER by secondary heat exchanger, basic heat source is provided for water resource heat pump, and low-grade thermal energy is increased to the high-grade thermal energy that can satisfy heating pipe network heating temperature by water resource heat pump, final realize makes full use of deep geothermal resources.
Description
Technical field
The present invention relates to a kind of deep geothermal heat indirect heating systems, belong to heating technology field.
Background technique
Some areas of China have deep geothermal resources abundant, and geothermal energy resources apply model as a kind of clean energy resource
It encloses extensively, can be used for the fields such as heat supply, refrigeration, tourism and flower planting, and there is sustainable, pollution-free, usage factor
The features such as high, therefore be included in the strategy of national new energy development.
Geothermal energy resources (can both reduce CO because of the advantage with energy-saving and emission-reduction2、SO2Discharge, and smog, dust can be reduced
Equal pollutant emissions) advantage, nowadays positive exploitation is matched using the basis that geothermal energy resources substitution traditional energy improves city heat supply
Set, but in actual application, geothermal energy resources utilization rate is not high, and geothermal heating system needs to improve.
Summary of the invention
The technical problem to be solved by the present invention is overcoming deficiency in the prior art, providing one kind can be to deep geothermal heat
The deep geothermal heat indirect heating system that resource is made full use of.
Deep geothermal heat indirect heating system of the present invention, including first-class heat exchanger, secondary heat exchanger and water resource heat pump；
With outlet, heating pipe network circulation water inlet and heating water out after underground heat water inlet, heat exchange in first-class heat exchanger, wherein ground
Hot water inlet connects GEOTHERMAL WATER water supply pipe, and outlet is connected in first-class heat exchanger with underground heat water inlet after heat exchange, heating pipe network
Recycle water inlet connection heating pipe network water return pipeline (i.e. to resulting heating pipe network circulating water line after user terminal heating), heating
Water out is connected to heating pipe network circulation water inlet in first-class heat exchanger and connect heating pipe network heating pipeline；Secondary heat exchanger
The upper water inlet with the GEOTHERMAL WATER through once exchanging heat, water outlet, cold water inlet and warm water water outlet after heat exchange, wherein warp
The water inlet of the GEOTHERMAL WATER once to exchange heat exports after the heat exchange by the connection first-class heat exchanger of pipeline one, and water outlet is two after heat exchange
It is connected in grade heat exchanger with the water inlet of the GEOTHERMAL WATER through once exchanging heat, cold water inlet is discharged in secondary heat exchanger with warm water
Mouth connection；There is first entrance, first outlet, second entrance and second outlet, first entrance passes through pipeline two on water resource heat pump
Connect secondary heat exchanger warm water water outlet, first outlet by pipeline three connect secondary heat exchanger cold water inlet, second
Entrance connects heating pipe network water return pipeline, and second outlet connects heating pipe network heating pipeline.
The application that the invention mainly relates to deep geothermal resources in house heating, the specific utilization side of deep geothermal resources
Formula is that indirect deep geothermal heat heats to combine with water resource heat pump heat supply.In the heating of indirect deep geothermal heat, GEOTHERMAL WATER is not direct
Into user terminal end heating system, but heating pipe network recirculated water is transferred heat to using first-class heat exchanger；In order into one
Step extracts the heat of GEOTHERMAL WATER, will be exchanged heat by once exchanging heat resulting GEOTHERMAL WATER by secondary heat exchanger, and mentioned for water resource heat pump
For basic heat source, and low-grade thermal energy is increased to the high-grade that can satisfy heating pipe network heating temperature by water resource heat pump
Thermal energy, final realize make full use of deep geothermal resources.
Preferably, the heating pipe network water return pipeline connects water pipe, installs small pump and moisturizing on water pipe
Pipeline accesses water supply tank.It is entire heating system by water pipe first according to conventional program before the starting of entire heating system
It supplies water, until the water in heating system is sufficient, stops supplying water；When the hydraulic pressure of heating pipe network is reduced to setting value, from
Dynamic starting small pump, realizes the moisturizing of entire heating system water, it is ensured that circulation heating.Confession in the process and traditional heating system
Water, moisturizing process are identical.Similarly, the pipeline three connects water pipe, installs small pump and water pipe on water pipe
Access water supply tank.In actual application, it further uses following preferred embodiment: connecting tap water in the water inlet end of water supply tank
It manages, water softening device is installed on running water pipe, sofening treatment is made to tap water in running water pipe by water softening device, in this way,
The heating water of heating system user terminal circulation is the water after running water softening, therefore can be avoided the corruption to each pipeline of heating pipe network
Erosion.
Preferably, water outlet connects recharge pipeline after the heat exchange of the secondary heat exchanger, and recharge pipeline accesses inverted well,
GEOTHERMAL WATER in this way after secondary heat exchange is finally recycled into inverted well, to realize the sustainable use of deep geothermal resources.
It is further preferred that recharge pump is installed on the recharge pipeline, it when necessary, will be after secondary heat exchange using recharge pump
GEOTHERMAL WATER is squeezed into inverted well.
Except above-mentioned points, the first-class heat exchanger in the present invention, the preferred plate heat exchanger of secondary heat exchanger, preferably with titanium plate
Plate heat exchanger.In use, first-class heat exchanger can be required using appropriate number of plate heat exchanger simultaneously according to practical heat
Join in access system, similarly, secondary heat exchanger can also be required using appropriate number of plate heat exchanger simultaneously according to practical heat
Join in access system, to ensure the normal heating of entire heating system.
Compared with the prior art, the invention has the beneficial effects that:
The present invention is heated in such a way that water resource heat pump heat supply combines using indirect deep geothermal heat, will using first-class heat exchanger
Heat transfer gives heating pipe network recirculated water, will be by the resulting underground heat that once exchanges heat in order to further extract the heat of GEOTHERMAL WATER
Water is exchanged heat by secondary heat exchanger, provides basic heat source for water resource heat pump, and improve low-grade thermal energy by water resource heat pump
To the high-grade thermal energy that can satisfy heating pipe network heating temperature, final realize makes full use of deep geothermal resources.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure: 1, GEOTHERMAL WATER water supply pipe；2, first-class heat exchanger；3, heating pipe network heating pipeline；4, pipeline one；5, second level
Heat exchanger；6, pipeline two；7, pipeline three；8, water resource heat pump；9, user terminal end heating system；10, heating pipe network water return pipeline；
11, water pipe；12, small pump；13, water supply tank；14, water softening device；15, running water pipe；16, recharge pumps；17, recharge
Pipeline；18, inverted well；19, GEOTHERMAL WATER producing well.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing:
As shown in Figure 1, deep geothermal heat indirect heating system of the present invention includes first-class heat exchanger 2, secondary heat exchanger 5
With water resource heat pump 8；First-class heat exchanger 2, secondary heat exchanger 5 are all made of titanium plate plate heat exchanger；There is underground heat in first-class heat exchanger 2
Outlet, heating pipe network circulation water inlet and heating water out after water inlet, heat exchange, wherein underground heat water inlet connects GEOTHERMAL WATER and supplies
GEOTHERMAL WATER in GEOTHERMAL WATER producing well 19 (is usually pumped into GEOTHERMAL WATER water supply pipe 1 by pump) by water lines 1, is exported after heat exchange
It is connected in first-class heat exchanger 2 with underground heat water inlet, heating pipe network circulation water inlet connection heating pipe network water return pipeline 10 (is given
Resulting heating pipe network circulating water line after user terminal heating), the water out that heats recycles in first-class heat exchanger 2 with heating pipe network
Water inlet connection and connection heating pipe network heating pipeline 3；With the water inlet of the GEOTHERMAL WATER through once exchanging heat on secondary heat exchanger 5
Water outlet, cold water inlet and warm water water outlet after mouth, heat exchange, wherein the water inlet of the GEOTHERMAL WATER through once exchanging heat passes through pipe
Road 1 connect first-class heat exchanger 2 heat exchange after export, after heat exchange water outlet in secondary heat exchanger 5 with the ground through once exchanging heat
The water inlet of hot water is connected to, and water outlet connects recharge pipeline 17 after the heat exchange, and recharge pipeline 17 accesses inverted well 18, in recharge
Recharge pump 16 is installed, cold water inlet is connected in secondary heat exchanger 5 with warm water water outlet on pipeline 17；On water resource heat pump 8
With first entrance, first outlet, second entrance and second outlet, first entrance connects secondary heat exchanger 5 by pipeline 26
Warm water water outlet, first outlet connect the cold water inlet of secondary heat exchanger 5 by pipeline 37, and second entrance connects heating pipe
Net water return pipeline 10, second outlet connect heating pipe network heating pipeline 3.
In the present embodiment, heating pipe network water return pipeline 10 and pipeline 37 are all connected with water pipe 11, pacify on water pipe 11
It fills small pump 12 and water pipe 11 accesses water supply tank 13, connect running water pipe 15, running water pipe in the water inlet end of water supply tank 13
Water softening device 14 is installed on 15.It is entire by water pipe 11 first according to conventional program before the starting of entire heating system
Heating system supplies water, until the water in heating system is sufficient, stops supplying water；When the hydraulic pressure of heating pipe network is reduced to setting
It is automatic to start small pump 12 when value, realize the moisturizing of entire heating system water, it is ensured that circulation heating.The process and tradition heat
Water supply, moisturizing process in system is identical.
In practical application, first-class heat exchanger 2 can require to use appropriate number of plate heat exchanger according to practical heat
In access system in parallel, similarly, secondary heat exchanger 5 can also require to use appropriate number of plate heat exchanger according to practical heat
In access system in parallel, to ensure the normal heating of entire heating system.
The application that the invention mainly relates to deep geothermal resources in house heating, concrete application mode are by indirect deep layer
Geothermal heating system is combined with 8 heat supply of water resource heat pump.In the heating of indirect deep geothermal heat, GEOTHERMAL WATER not directly enters user terminal end
Heating system 9, but heating pipe network recirculated water is transferred heat to using first-class heat exchanger 2, heating system user terminal circulation
Heating water is the water after running water softening, effectively prevent corrosion of the impurity present in tap water to each pipeline of heating pipe network；For
The further heat for extracting GEOTHERMAL WATER will be exchanged heat by secondary heat exchanger 5 by once exchanging heat resulting GEOTHERMAL WATER, and be water source
Heat pump 8 provides basic heat source, and is increased to low-grade thermal energy by water resource heat pump 8 and can satisfy heating pipe network heating temperature
High-grade thermal energy, the GEOTHERMAL WATER after secondary heat exchange is finally recycled into inverted well 18, to realize deep geothermal resources
Sustainable use.
Claims (8)
1. a kind of deep geothermal heat indirect heating system, it is characterised in that: including first-class heat exchanger (2), secondary heat exchanger (5) and water
Source heat pump (8)；
Water inlet and heating water out are recycled with outlet, heating pipe network after underground heat water inlet, heat exchange in first-class heat exchanger (2),
Wherein, underground heat water inlet connection GEOTHERMAL WATER water supply pipe (1), after heat exchange outlet in the first-class heat exchanger (2) with underground heat water inlet
Connection, heating pipe network recycle water inlet connection heating pipe network water return pipeline (10), heating water out in the first-class heat exchanger (2) with
Heating pipe network recycles water inlet connection and connection heating pipe network heating pipeline (3)；
Water outlet, cold water inlet and temperature after water inlet, heat exchange with the GEOTHERMAL WATER through once exchanging heat on secondary heat exchanger (5)
Water water outlet, wherein the heat exchange that the water inlet of the GEOTHERMAL WATER through once exchanging heat passes through pipeline one (4) connection first-class heat exchanger (2)
After export, water outlet is connected in the secondary heat exchanger (5) with the water inlet of the GEOTHERMAL WATER through once exchanging heat after heat exchange, and cold water is intake
Mouth is connected in secondary heat exchanger (5) with warm water water outlet；
There is first entrance, first outlet, second entrance and second outlet, first entrance passes through pipeline two on water resource heat pump (8)
(6) the warm water water outlet of secondary heat exchanger (5), the cold water that first outlet passes through pipeline three (7) connection secondary heat exchanger (5) are connected
Water inlet, second entrance connect heating pipe network water return pipeline (10), and second outlet connects heating pipe network heating pipeline (3).
2. deep geothermal heat indirect heating system according to claim 1, it is characterised in that: the heating pipe network return pipe
Road (10) connects water pipe (11), and small pump (12) are installed on water pipe (11) and water pipe (11) accesses water supply tank
(13)。
3. deep geothermal heat indirect heating system according to claim 1, it is characterised in that: pipeline three (7) connection
Water pipe (11) installs small pump (12) and water pipe (11) access water supply tank (13) on water pipe (11).
4. deep geothermal heat indirect heating system according to claim 2 or 3, it is characterised in that: the water supply tank (13)
Water inlet end connect running water pipe (15), water softening device (14) are installed on running water pipe (15).
5. any deep geothermal heat indirect heating system according to claim 1~3, it is characterised in that: the second level
Water outlet connection recharge pipeline (17) after the heat exchange of heat exchanger (5), recharge pipeline (17) access inverted well (18).
6. deep geothermal heat indirect heating system according to claim 5, it is characterised in that: on the recharge pipeline (17)
Recharge pump (16) is installed.
7. according to claim 1, deep geothermal heat indirect heating system described in 2,3 or 6, it is characterised in that: the level-one is changed
Hot device (2), secondary heat exchanger (5) are plate heat exchanger.
8. deep geothermal heat indirect heating system according to claim 7, it is characterised in that: the plate heat exchanger uses
Titanium plate plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450655.2A CN109237586A (en) | 2017-06-15 | 2017-06-15 | Deep geothermal heat indirect heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450655.2A CN109237586A (en) | 2017-06-15 | 2017-06-15 | Deep geothermal heat indirect heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109237586A true CN109237586A (en) | 2019-01-18 |
Family
ID=65083062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710450655.2A Pending CN109237586A (en) | 2017-06-15 | 2017-06-15 | Deep geothermal heat indirect heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109237586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351100A (en) * | 2020-04-13 | 2020-06-30 | 中国建筑西北设计研究院有限公司 | Cooling and heating switching method of heating and ventilation system |
| CN116624910A (en) * | 2023-07-24 | 2023-08-22 | 中石油深圳新能源研究院有限公司 | Medium-deep geothermal pressure-variable drainage heating system, method and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679433A (en) * | 2012-05-23 | 2012-09-19 | 烟台蓝德空调工业有限责任公司 | Combined heating system capable of utilizing geothermal water and water source heat pump in stage mode |
| CN203928082U (en) * | 2014-05-27 | 2014-11-05 | 中石化绿源地热能开发有限公司 | The multistage heating system of a kind of GEOTHERMAL WATER associating water resource heat pump |
| CN104848327A (en) * | 2014-11-02 | 2015-08-19 | 高天红 | Geothermal water combined water source heat pump heating circulation system |
| CN206817586U (en) * | 2017-06-15 | 2017-12-29 | 东营明汇新能源科技有限公司 | Deep geothermal heat indirect heating system |
-
2017
- 2017-06-15 CN CN201710450655.2A patent/CN109237586A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679433A (en) * | 2012-05-23 | 2012-09-19 | 烟台蓝德空调工业有限责任公司 | Combined heating system capable of utilizing geothermal water and water source heat pump in stage mode |
| CN203928082U (en) * | 2014-05-27 | 2014-11-05 | 中石化绿源地热能开发有限公司 | The multistage heating system of a kind of GEOTHERMAL WATER associating water resource heat pump |
| CN104848327A (en) * | 2014-11-02 | 2015-08-19 | 高天红 | Geothermal water combined water source heat pump heating circulation system |
| CN206817586U (en) * | 2017-06-15 | 2017-12-29 | 东营明汇新能源科技有限公司 | Deep geothermal heat indirect heating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351100A (en) * | 2020-04-13 | 2020-06-30 | 中国建筑西北设计研究院有限公司 | Cooling and heating switching method of heating and ventilation system |
| CN116624910A (en) * | 2023-07-24 | 2023-08-22 | 中石油深圳新能源研究院有限公司 | Medium-deep geothermal pressure-variable drainage heating system, method and storage medium |
| CN116624910B (en) * | 2023-07-24 | 2023-10-03 | 中石油深圳新能源研究院有限公司 | Medium-deep geothermal pressure-variable drainage heating system, method and storage medium |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |