CN209470380U - The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device - Google Patents
The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device Download PDFInfo
- Publication number
- CN209470380U CN209470380U CN201821916556.5U CN201821916556U CN209470380U CN 209470380 U CN209470380 U CN 209470380U CN 201821916556 U CN201821916556 U CN 201821916556U CN 209470380 U CN209470380 U CN 209470380U
- Authority
- CN
- China
- Prior art keywords
- casing
- hot water
- heat
- fills
- adopted
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Central Heating Systems (AREA)
Abstract
It is adopted the utility model discloses a kind of storage of hot water type Multi-layer thermal and fills geothermal well device, include: out casing, two open casing and at least one packer, one opens casing extends downwardly from earth's surface, two open the end of casing connection Yu Yikai casing and extend downwardly through multiple heat reservoris, two open casing is connected to each heat reservori respectively, each packer is set to two and opens in casing, and between adjacent heat reservori.For changing the insufficient status of traditional geothermal well heat supply under extremely cold weather, and the utilization rate of underground geothermal resource is improved, substantially reduces the consumption of electric energy, it is energy saving, save man power and material.
Description
Technical field
The utility model belongs to geothermal well drilling field, adopts filling underground heat more particularly, to a kind of storage of hot water type Multi-layer thermal
Well device.
Background technique
Geothermal energy resources refer to the recoverable heat energy for being stored in earth interior, and general integrated distribution is at tectonic plate edge one
Band, the decay of melting magma and radioactive substance originating from the earth.Geothermal energy resources are a kind of most valuable comprehensive mineral products
Resource, function is more, and purposes is wide, is a kind of energy resources of cleaning, for the utilization such as power generation, heating.The synthesis of geothermal energy resources
Development and utilization, society, economy and environmental benefit are very significant, and more and more important work is had shown that in developing national economy
With.China have shutting mechanism, the departments such as mine and petroleum, coal attach great importance to field survey and study and the development and utilization of geothermal energy resources, often
Year allot substantial contribution, in addition to the gas-to electricity for developing high-temperature geothermal resource, while also in development low-temperature geothermal resource it is direct
It utilizes, i.e. " three is large stretch of " area with western Zang Nan and the western regions of the Yunnan Province, North China and southeastern coast one with formation, is surveyed as national underground heat
The key area that research and development utilizes is looked into, and is combined with the tentative development and utilization demonstration pilot project of typical geothermal field, weight is achieved
Big achievement has pushed the development of national exploitation and utilization of geotherm resources.
Currently, domestic geothermal resource of hydrothermal type is rapid as cleaning heating energy development, the demand to underground heat is occupied with cities and towns
Based on the heating of settlement, one or more sets usual heat reservoris are exploited or recharge together in the deployment of geothermal well, when as recovery well
When, in a heating season, generally as the progress of exploitation, the energy of heat reservori are successively decreased, show on hydrodynamic position it is gradually
Reduce, and in the coldest period, frequent hydrodynamic position has declined the reduction for much causing offer thermal energy, need using
Hot water is given rise to ground by more electric energy out of deeper pit shaft, on the other hand ground using heat pump to first heat exchange after
Tail water is further exchanged heat, and extracts more thermal energy to meet the needs of heating, this also further increases the consumption of electric energy.
Geothermal well device is filled therefore, it is necessary to research and develop a kind of storage of hot water type Multi-layer thermal and adopt, changes geothermal well heat supply in winter and produces
It can lack flexibility, heat pump can only be relied on and extract thermal energy peak regulation, to meet the insufficient status of heat supply under extremely cold weather, and improve
The utilization rate of underground geothermal resource substantially reduces the consumption of electric energy, energy saving, saves man power and material.
Utility model content
It is adopted the purpose of the utility model is to provide a kind of storage of hot water type Multi-layer thermal and fills geothermal well device, make underground heat well capacity
Daily heating demands that are more flexible, not only having met, but also thermal energy supply can be increased under extremely cold weather, and improve underground geothermal money
The utilization rate in source, use manpower and material resources sparingly resource.
To achieve the goals above, the utility model, which provides a kind of storage of hot water type Multi-layer thermal and adopts, fills geothermal well device, comprising:
One opens casing, two opens casing and at least one packer, and described one opens casing extends downwardly from earth's surface, and described two open casing connection
The end of opening casing in described one and extending downwardly is stored up with each heat respectively with through multiple heat reservoris, described two open casing
Layer connection, each packer are set to described two and open in casing, and between adjacent heat reservori.
Preferably, the packer is bridge plug.
Preferably, the bridge plug is detachable bridge plug.
It preferably, further include being connected to described one water pump for opening casing.
Preferably, it described one opens and is higher by earth's surface at the top of casing.
Preferably, described two bottoms for opening casing are located under the multiple heat reservori, form artificial bottom of a well.
Preferably, described one caliber for opening casing is greater than described two calibers for opening casing.
Preferably, it described two opens and is inserted in described one at the top of casing and opens in the end of casing, described one opens casing
Inner wall and described two open and be equipped with filler between the outer wall of casing.
Preferably, the filler is cement.
Preferably, described two casing is opened through two heat reservoris.
The utility model has the beneficial effects that: the storage of hot water type Multi-layer thermal adopts and fills the two of geothermal well and open casing and run through and be connected to
Multiple heat reservoris, a part in multiple heat reservoris is as the common spare heat reservori of heat reservori another part, in spare heat reservori
With packer packing every when heating in winter, day is extremely cold in weather frequently with common heat reservori heat supply between common heat reservori
It is cold, when heating demands are not achieved in the heat that common heat reservori provides, open packer and enable the heat supply simultaneously of spare heat reservori, make ground
Hot well heat supply in winter production capacity has elasticity, and extracting thermal energy without relying on heat pump carries out peak regulation, changes under extremely cold weather heat supply not
The status of foot, and the utilization rate of underground geothermal resource is improved, substantially reduce the consumption of electric energy, it is energy saving, save manpower
And material resources.
Other features and advantages of the utility model will then part of the detailed description can be specified.
Detailed description of the invention
The utility model illustrative embodiments are described in more detail in conjunction with the accompanying drawings, the utility model it is upper
It states and other purposes, feature and advantage will be apparent, wherein in the utility model illustrative embodiments, phase
Same reference label typically represents same parts.
The knot for filling geothermal well device is adopted in the hot water type Multi-layer thermal storage that Fig. 1 shows one embodiment according to the present utility model
Structure schematic diagram.
Description of symbols
1, one casing is opened；2, two casing is opened；3, packer；4, filler；5, heat reservori；6, artificial bottom of a well；7, earth's surface；
Specific embodiment
Preferred embodiments of the present invention are described in more detail below.Although the following describe the utility model
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the utility model without the implementation that should be illustrated here
Mode is limited.On the contrary, thesing embodiments are provided so that the utility model is more thorough and complete, and can be by this
The range of utility model is completely communicated to those skilled in the art.
Hot water type Multi-layer thermal according to the present utility model storage, which is adopted, fills geothermal well device, comprising: one open casing, two open casing and
At least one packer, one opens casing extends downwardly from earth's surface, and two open the end of casing connection Yu Yikai casing and extend downwardly
To run through multiple heat reservoris, two open casing is connected to each heat reservori respectively, and each packer is set to two and opens in casing, and position
Between adjacent heat reservori.
Specifically, the storage of hot water type Multi-layer thermal, which is adopted, fills the two of geothermal well and opens casing and run through and be connected to multiple heat reservoris, Duo Gere
A part in reservoir as common heat reservori, use between spare heat reservori and common heat reservori by the spare heat reservori of another part
Packer packing is every when heating in winter, day commonly uses heat reservori and provide frequently with common heat reservori heat supply in weather extreme cold
Heat when heating demands are not achieved, open packer and enable the heat supply simultaneously of spare heat reservori, make geothermal well heat supply in winter production capacity
With elasticity, thermal energy progress peak regulation is extracted without relying on heat pump, changes the insufficient status of heat supply under extremely cold weather, and improve
The utilization rate of underground geothermal resource substantially reduces the consumption of electric energy, energy saving, saves man power and material.
Preferably, packer is bridge plug.
Preferably, bridge plug is detachable bridge plug.
It preferably, further include being connected to a water pump for opening casing.
Preferably, it one opens and is higher by earth's surface at the top of casing.
Preferably, two bottoms for opening casing are located under multiple heat reservoris, form artificial bottom of a well.
Preferably, a caliber for opening casing is greater than two calibers for opening casing.
Preferably, it two opens and is inserted in one at the top of casing and opens in the end of casing, one opens the inner wall of casing and two
It opens and is equipped with filler between the outer wall of casing.
Preferably, filler is cement.
Preferably, two casing is opened through two heat reservoris, using upper layer as common heat reservori, lower layer is as spare
Heat reservori.
Embodiment
Fig. 1 shows the structural schematic diagram adopted according to the storage of the hot water type Multi-layer thermal of the present embodiment and fill geothermal well device.
As shown in Figure 1, hot water type Multi-layer thermal storage adopts and fills geothermal well device, comprising: one, which opens casing 1, two, opens casing 2 and one
A packer 3, a top for opening casing 1 are higher by earth's surface 7, are connected to water pump, and extend downwardly from earth's surface 7, one opens the pipe of casing 1
Diameter is greater than two calibers for opening casing 2, and two, which open casing 2, is connected to end that one opens casing 1 and extends downwardly through two heat storages
Layer 5, two tops for opening casing 2 are inserted in the end that one opens casing 1, one open the inner wall of casing 1 and two open casing 2 outer wall it
Between be equipped with cement filler 4, two open casing 2 be connected to each heat reservori 5 respectively, two bottoms for opening casing 2 be located at Base Heat store up
5 lower section of layer, forms artificial bottom of a well 6, packer 3 is set to two and opens in casing 2, and between two adjacent heat reservoris 5.
Two heat reservoris are respectively common heat reservori and spare heat reservori, with envelope between spare heat reservori and common heat reservori
It is insulated every device；When heating in winter, day is frequently with common heat reservori heat supply；In weather extreme cold, commonly use what heat reservori provided
When heating demands are not achieved in heat, open packer and enable the heat supply simultaneously of spare heat reservori；When weather gets warm again after a cold spell, heat demand subtracts
The thermal energy that as low as common heat reservori provides is enough in use, implementation operation tripping in packer, seals up spare heat reservori again, to protect
Hold stratum energy；The wholly off use at the end of heating, is gradually recovered heat reservori energy, uses to next heating season.
By taking some community of North China as an example, to heat to M cell, filling underground heat is adopted using the hot water type Multi-layer thermal storage of the present embodiment
Well device is established with the storage of Guantao group heat as common heat reservori, take the storage of Dongying Formation heat as the double-deck geothermal well of spare heat reservori, wherein
1700 meters of buried depth of top surface of Guantao group heat storage, 400 meters of thickness, 2100 meters of Dongying Formation buried depth of top surface, between Dongying Formation and Guantao group
Tripping in packer, protection Dongying Formation heat storage are used only Guantao group heat and store up when heating season uses, hot water supply about per hour 80
Side, when extremely cold weather, carries out operation and opens packer, using Guantao group and the common heat supply of Dongying Formation, increase and take out by 55 degree of temperature
Pumpage, hot water supply about 100 side per hour, meet the heating demands of extremely cold weather by 60 degree of temperature.When temperature restores
Afterwards, restore packer, protection Dongying Formation heat storage.In addition, when increasing heating area, group heat storage in Guantao is not able to satisfy thermal energy supply
When, the packer device release hot energy storage capacity of Dongying Formation can also be opened.
Each embodiment of the utility model is described above, above description is exemplary, and non-exclusive, and
And it is also not necessarily limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for
Many modifications and changes are obvious for those skilled in the art.
Claims (10)
1. a kind of storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device characterized by comprising one opens casing, two opens casing and extremely
A few packer, described one opens casing extends downwardly from earth's surface, and described two open the end that casing connection opens casing in described one
And it extends downwardly so that through multiple heat reservoris, described two open casing is connected to each heat reservori respectively, each packing
Device is set to described two and opens in casing, and between adjacent heat reservori.
2. hot water type Multi-layer thermal according to claim 1 storage, which is adopted, fills geothermal well device, which is characterized in that the packer is
Bridge plug.
3. hot water type Multi-layer thermal storage according to claim 2, which is adopted, fills geothermal well device, which is characterized in that the bridge plug is can
Modus ponens bridge plug.
4. hot water type Multi-layer thermal storage according to claim 3, which is adopted, fills geothermal well device, which is characterized in that further include being connected to
Described one opens the water pump of casing.
5. hot water type Multi-layer thermal storage according to claim 1, which is adopted, fills geothermal well device, which is characterized in that described one opens casing
Top be higher by earth's surface.
6. hot water type Multi-layer thermal storage according to claim 1, which is adopted, fills geothermal well device, which is characterized in that described two open casing
Bottom be located under the multiple heat reservori, formed artificial bottom of a well.
7. hot water type Multi-layer thermal storage according to claim 1, which is adopted, fills geothermal well device, which is characterized in that described one opens casing
Caliber be greater than described two calibers for opening casing.
8. hot water type Multi-layer thermal storage according to claim 7, which is adopted, fills geothermal well device, which is characterized in that described two open casing
Top be inserted in described one and open in the end of casing, described one open the inner wall of casing with described two open casing outer wall it
Between be equipped with filler.
9. hot water type Multi-layer thermal according to claim 8 storage, which is adopted, fills geothermal well device, which is characterized in that the filler is
Cement.
10. hot water type Multi-layer thermal storage according to claim 1, which is adopted, fills geothermal well device, which is characterized in that described two open set
Pipe runs through two heat reservoris.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916556.5U CN209470380U (en) | 2018-11-20 | 2018-11-20 | The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916556.5U CN209470380U (en) | 2018-11-20 | 2018-11-20 | The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470380U true CN209470380U (en) | 2019-10-08 |
Family
ID=68087572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821916556.5U Active CN209470380U (en) | 2018-11-20 | 2018-11-20 | The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209470380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749703A (en) * | 2019-11-05 | 2020-02-04 | 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment |
-
2018
- 2018-11-20 CN CN201821916556.5U patent/CN209470380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749703A (en) * | 2019-11-05 | 2020-02-04 | 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment |
| CN110749703B (en) * | 2019-11-05 | 2022-08-16 | 山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Method for simulating sandstone thermal storage geothermal tail water recharge and tracing experiment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Menéndez et al. | Energy from closed mines: Underground energy storage and geothermal applications | |
| Matos et al. | Overview of large-scale underground energy storage technologies for integration of renewable energies and criteria for reservoir identification | |
| Bertani | World geothermal generation in 2007 | |
| CN101435328B (en) | Method and device for exploring seabed gas hydrate | |
| CN109883074B (en) | System for extracting geothermal energy from goaf filling body and working method thereof | |
| Gehlin et al. | Geothermal energy use, country update for Sweden | |
| CN201866970U (en) | Same-floor geothermal energy cyclic utilization system | |
| Gehlin et al. | Country update for Sweden | |
| CN113224979B (en) | Geothermal/seawater semiconductor temperature difference power generation system and method | |
| CN208154860U (en) | A kind of hot dry rock double-layer horizontal multiple-limb heat exchange well system | |
| CN108222831A (en) | Multidirectional geothermal well and high-efficiency mining hot dry rock method | |
| CN107270371A (en) | A kind of same layer recharge electric heating pump type cascade utilization heating system | |
| CN209470380U (en) | The storage of hot water type Multi-layer thermal, which is adopted, fills geothermal well device | |
| CN209131183U (en) | A kind of different well geothermal energy resources backflow device | |
| CN202973660U (en) | Energy storage circulating system of underground aquifer structural layer | |
| Menéndez et al. | Low-enthalpy geothermal energy potential of mine water from closured underground coal mines in northern Spain | |
| CN102692097A (en) | Energy storage circulating system for underground water-containing structural layer | |
| CN202832981U (en) | Water injection energy storage type utilizing system of wind energy and geothermal energy | |
| Yan et al. | Resource evaluation of global geothermal energy and the development obstacles | |
| Jiang et al. | Underground Hydro-Pumped Energy Storage Using Coal Mine Goafs: System Performance Analysis and a Case Study for China. Front | |
| Melikadze et al. | Country update from Georgia | |
| CN114704343A (en) | Waste mine geothermal-photothermal coupling power generation system and power generation method thereof | |
| CN207427066U (en) | A kind of anticorrosion solar energy photovoltaic panel | |
| CN210624677U (en) | Geothermal multi-branch well heat extraction heating system | |
| CN211146941U (en) | Geothermal device capable of being recycled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |