CN107246819A - A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device and method - Google Patents
A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device and method Download PDFInfo
- Publication number
- CN107246819A CN107246819A CN201710558354.1A CN201710558354A CN107246819A CN 107246819 A CN107246819 A CN 107246819A CN 201710558354 A CN201710558354 A CN 201710558354A CN 107246819 A CN107246819 A CN 107246819A
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- Prior art keywords
- tube
- pipe
- hot
- cold
- heat source
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000005057 refrigeration Methods 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 24
- 238000010792 warming Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 239000002609 medium Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 3
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device, including sealed outer pipe and sealed inner tube, the upper end of sealed outer pipe is connected with refrigeration outer tube, lower end is hanging, the upper end of sealed inner tube is connected with middle tube, lower end is connected with heating heat exchanger tube, central tube runs through middle tube, sealed inner tube and heat heat exchanger tube, the one-stage expansion pipe positioned at upper strata and the compound expansion pipe positioned at lower floor are provided with sealed inner tube, caulking gum is respectively arranged with the height that one-stage expansion pipe and compound expansion pipe are corresponded between sealed inner tube and sealed outer pipe, so as to form primary seal and secondary seal in the presence of one-stage expansion pipe and compound expansion pipe, present invention also offers corresponding encapsulating method, solve the problems, such as the hot heat exchanging holes Cooling and Heat Source conversation sealing of interference-free rock, ensure that Cooling and Heat Source power and energy pipe is not leaked, so that the hot heat exchanging holes of interference-free rock can realize cold and hot conversion, suitable for mid-deep strata ground rock hot hole cooling and warming conversion equipment.
Description
Technical field
The invention belongs to soil source heat pump technical field, more particularly to a kind of mid-deep strata hot hole as cold during Cooling and Heat Source
The sealing device and method of hot-cast socket equipment.
Background technology
Current interference-free rock thermal technology utilizes mid-deep strata geothermal energy thermal source, but due to bobbin seal technology limit can not be solved
System, it is impossible to realize that underground heat directly as low-temperature receiver is all that the technology of underground heat is used, and can only be freezed by external cooling tower, limited
The applicability of interference-free rock refrigeration heat so that use of the interference-free rock thermal technology in summer receives a definite limitation.
Based on this, it is necessary to which providing one kind can be in the winter time using all underground heat in -2500m, and summer isolation -1000m
In the device of~-2500m high-temperature geothermals part, the device, refrigeration and heat-production functions subregion need to be solved and interference-free rock is sealed
The problem of hot heat exchanging holes.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of mid-deep strata hot hole as cold
The sealing device and method of cold and hot conversion equipment during thermal source, directly utilize the hot heat exchanging holes of interference-free rock, change interference-free
The structure type of attachment of the hot heat exchanging holes top half of rock, is that the hot heat exchanging holes of interference-free rock are set as cold and hot conversion during Cooling and Heat Source
It is standby that refrigeration and heat-production functions area dividing function are provided, and the hot heat exchanging holes of interference-free rock are reliably fully sealed, it is ensured that interference-free
Complete isolation inside and outside the hot heat exchanging holes of rock, remains the fundamental characteristics of the hot heat exchanging holes of interference-free rock.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of mid-deep strata hot hole be used as the sealing device of cold and hot conversion equipment during Cooling and Heat Source, including the He of sealed outer pipe 4
Sealed inner tube 10, the upper end of sealed outer pipe 4 is connected with refrigeration outer tube 1, and lower end is hanging, upper end and the middle tube 7 of sealed inner tube 10
Linking, lower end is connected with heating heat exchanger tube 6, and central tube is through middle tube 7, sealed inner tube 10 and heats heat exchanger tube 6, in sealing
The one-stage expansion pipe 9 positioned at upper strata and the compound expansion pipe 11 positioned at lower floor are provided with pipe 10, in sealed inner tube 10 and sealing
Corresponding to caulking gum is respectively arranged with the height of one-stage expansion pipe 9 and compound expansion pipe 11 between outer tube 4, so that in one-level
Primary seal 3 and secondary seal 5 are formed in the presence of expansion tube 9 and compound expansion pipe 11.
Cold and hot converter 2 is installed, cold and hot converter 2 is tubular structure, and it is used as middle tube 7 in the middle tube 7
A part, the side of cold and hot converter 2 is provided with flow-out hole, connection middle tube 7 and refrigeration outer tube 1.
Refrigeration outer tube 1, the sealed outer pipe 4 and heat exchanger tube 6 is heated with being respectively positioned on mid-deep strata in hot hole, and pipe outer wall distance
Hole wall 8 has certain distance.
The bottom of the refrigeration outer tube 1 is located at low-temperature receiver region lower surface position, heats the bottom of heat exchanger tube 6 positioned at heat source region
Lower surface position, central tube is connected in bottom with heating heat exchanger tube 6.
The low-temperature receiver region is 0~1000 meter of underground, and the heat source region is 0~2500m of underground.
A kind of mid-deep strata hot hole be used as the encapsulating method of cold and hot conversion equipment during Cooling and Heat Source, the cold and hot conversion equipment
It is three-layer pipe between earth's surface and low-temperature receiver region lower surface, in low-temperature receiver region lower surface and heat source region following table for sleeve structure
It is bimetallic tube between face, the bimetallic tube is middle pipe and the extension of inner tube of three-layer pipe, and valve is set in each pipe top exit,
In the three-layer pipe, outer tube and inner tube are connected in three-layer pipe bottom, in the bimetallic tube, and middle pipe connects with inner tube in double-deck bottom of the tube
It is logical, in middle pipe injected media, pass through control valve so that and in summer formation medium, pipe is downward in-flowed upwards out along outer tube
Low-temperature receiver loop, forms medium and downwards-heat source loop for being flowed upwards out along inner tube is managed in, it is characterised in that in low-temperature receiver in the winter time
At the lower surface position of region, the rubber ring between expansion tube and middle pipe and outer tube in utilization in pipe, by outer tube and middle bottom of the tube
Sealing, so as to isolate low-temperature receiver region and the heat source region of bottom on top.
Compared with prior art, the present invention solves the sealing problem of the hot heat exchanging holes Cooling and Heat Source conversion of interference-free rock, really
Cold insulation thermal source power and energy pipe is not leaked, and the use of refrigeration and heat-production functions is not influenceed so that the heat heat exchange of interference-free rock
Hole can reliably realize cold and hot conversion, it is adaptable to mid-deep strata ground rock hot hole refrigeration and heat-production functions conversion equipment.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Reference：
1, freeze outer tube；2, cold and hot converter；3, primary seal；4, sealed outer pipe；5, secondary seal；6, heat heat exchange
Pipe；7, middle tube；8, outer hole wall；9, one-stage expansion pipe；10, sealed inner tube；11, compound expansion pipe.
Embodiment
Describe embodiments of the present invention in detail with reference to the accompanying drawings and examples.
A kind of mid-deep strata of the present invention hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device, for ensureing nothing
Intrusively the hot heat exchanging holes cold-heating system isolation of rock, does not occur crossfire and seepage, ensures that cold and hot function is smoothly changed.Do not influenceing nothing
Intrusively on the basis of the hot heat exchanging holes basic structure of rock, effectively separate Cooling and Heat Source functional areas, and durable, recoverability is strong,
Voltage endurance capability is high.
This sealing device, separates refrigeration and heat-production functions area, the hot heat exchanging holes top of summer interference-free rock is used as low-temperature receiver, winter
The hot heat exchanging holes bottom of season interference-free rock is as thermal source, after cold and hot conversion joining place ensures cold and hot conversion using this Sealing Technology
Medium is not leaked, not crossfire.Overall structure is installed and gradually completes installation from outside to inside step by step.
Its concrete structure is as shown in figure 1, including sealed outer pipe 4 and sealed inner tube 10, the upper end of sealed outer pipe 4 and refrigeration are outer
Pipe 1 is connected, and lower end is hanging, and the upper end of sealed inner tube 10 is connected with middle tube 7, and lower end is connected with heating heat exchanger tube 6, and central tube is passed through
Wear middle tube 7, sealed inner tube 10 and heat heat exchanger tube 6, the He of one-stage expansion pipe 9 positioned at upper strata is provided with sealed inner tube 10
Positioned at the compound expansion pipe 11 of lower floor, one-stage expansion pipe 9 and compound expansion are corresponded between sealed inner tube 10 and sealed outer pipe 4
Reinforcing caulking gum is respectively arranged with the height of pipe 11, and in the outer side brush fluid sealant of sealed inner tube 10, so that in one-stage expansion
Primary seal 3 and secondary seal 5 are formed in the presence of pipe 9 and compound expansion pipe 11.One-stage expansion pipe 9 and the energy of compound expansion pipe 11
Enough ensuring a secondary seal, all sealing is tight, and is resistant to 2.5MPa operating pressures, without revealing not crossfire.
Wherein, refrigeration outer tube 1, sealed outer pipe 4 and heat heat exchanger tube 6 with being respectively positioned on mid-deep strata in hot hole, and pipe outer wall away from
With a certain distance from having from hole wall 8.The bottom of refrigeration outer tube 1 is located at low-temperature receiver region lower surface position, i.e. 1000 meters of underground, heats and changes
The bottom of heat pipe 6 is located at heat source region lower surface position, i.e. 2500 meters of underground.
Cold and hot converter 2 is tubular structure, is installed in middle tube 7, it is used as a part for middle tube 7, cold and hot conversion
The side of device 2 is provided with flow-out hole, connection middle tube 7 and refrigeration outer tube 1.
According to the structure, medium enters cold and hot converter 2 from middle tube 7, in summer, the top outlet valve of closing center's pipe
Door, medium completes heat exchange in cold and hot converter 2 and is cooled, and from the refrigeration top exit of outer tube 1 outflow supply user, realizes and makes
It is cold.In the winter time, the outlet valve at the top of refrigeration outer tube 1 is closed, medium completes heat exchange in cold and hot converter 2 and is heated, in
Heart pipe, which enters, heats the region of heat exchanger tube 6, and last Zai Cong centers tube top portion outlet outflow supply user, realization is heated.
This sealing device can prevent the cold medium leakage downwards of summer and lead to not realize refrigeration.
The cold and hot switch technology of the present invention is for but not limited to the hot heat exchanging holes of mid-deep strata interference-free rock, for closed underground heat
Hole but hermetically hot hole is not limited to, for the heat exchanging holes perpendicular to earth's surface, but is not excluded for the use of horizontal underground heat heat exchanging holes.
This sealing device is also not necessarily limited to the hot heat exchanging holes low-temperature receiver conversion equipment sealing of interference-free rock.Equipment used medium is cold
But aqueous medium but be not limited to cools down aqueous medium, and what sealing can strengthen rubber using expansion tube/fluid sealant/sealing select one or more groups
Close, also can optionally increase new encapsulant.Requirement generally can be met using two-stage sealing, but be not excluded for single-stage
Or it is multi-stage sealed；
This sealing device is used for the hot heat exchanging holes of interference-free rock, the sealing of cold and hot conversion equipment, but is not limited to interference-free
The sealing of the cold and hot conversion equipment of rock thermal technology heat exchanging holes, but be not excluded for conveying and storing heat to underground by thermal source of other technologies
Situation.
Claims (6)
1. a kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device, it is characterised in that including close
Outer tube (4) and sealed inner tube (10) are sealed, the upper end of sealed outer pipe (4) is connected with refrigeration outer tube (1), and lower end is hanging, sealed inner tube
(10) upper end is connected with middle tube (7), and lower end is connected with heating heat exchanger tube (6), and central tube is in middle tube (7), sealing
Manage (10) and heat heat exchanger tube (6), be provided with sealed inner tube (10) positioned at the one-stage expansion pipe (9) on upper strata and positioned at lower floor
Compound expansion pipe (11), between sealed inner tube (10) and sealed outer pipe (4) correspond to one-stage expansion pipe (9) and compound expansion
Caulking gum is respectively arranged with the height for managing (11), so that in the presence of one-stage expansion pipe (9) and compound expansion pipe (11)
Form primary seal (3) and secondary seal (5).
2. according to claim 1 mid-deep strata hot hole be used as the sealing device of cold and hot conversion equipment during Cooling and Heat Source, it is special
Levy and be, cold and hot converter (2) is installed on the middle tube (7), cold and hot converter (2) is tubular structure, and it is used as middle level
The part of (7) is managed, the side of cold and hot converter (2) is provided with flow-out hole, connection middle tube (7) and refrigeration outer tube (1).
3. according to claim 1 mid-deep strata hot hole be used as the sealing device of cold and hot conversion equipment during Cooling and Heat Source, it is special
Levy and be, the refrigeration outer tube (1), sealed outer pipe (4) and heat heat exchanger tube (6) with being respectively positioned on mid-deep strata in hot hole, and pipe is outside
Wall has certain distance apart from hole wall (8).
4. according to claim 1 mid-deep strata hot hole be used as the sealing device of cold and hot conversion equipment during Cooling and Heat Source, it is special
Levy and be, the bottom of the refrigeration outer tube (1) is located at low-temperature receiver region lower surface position, heat heat exchanger tube (6) bottom positioned at thermal source
Region lower surface position, central tube is connected in bottom with heating heat exchanger tube (6).
5. according to claim 4 mid-deep strata hot hole be used as the sealing device of cold and hot conversion equipment during Cooling and Heat Source, it is special
Levy and be, the low-temperature receiver region is 0~1000 meter of underground, the heat source region is 0~2500m of underground.
6. a kind of mid-deep strata hot hole as the encapsulating method of cold and hot conversion equipment during Cooling and Heat Source, the cold and hot conversion equipment is
Sleeve structure, is three-layer pipe between earth's surface and low-temperature receiver region lower surface, in low-temperature receiver region lower surface and heat source region lower surface
Between be bimetallic tube, the bimetallic tube is middle pipe and the extension of inner tube of three-layer pipe, and each pipe top exit set valve, institute
State in three-layer pipe, outer tube and inner tube are connected in three-layer pipe bottom, in the bimetallic tube, middle pipe connects with inner tube in double-deck bottom of the tube
It is logical, in middle pipe injected media, pass through control valve so that and in summer formation medium, pipe is downward in-flowed upwards out along outer tube
Low-temperature receiver loop, forms medium and downwards-heat source loop for being flowed upwards out along inner tube is managed in, it is characterised in that in low-temperature receiver in the winter time
At the lower surface position of region, the rubber ring between expansion tube and middle pipe and outer tube in utilization in pipe, by outer tube and middle bottom of the tube
Sealing, so as to isolate low-temperature receiver region and the heat source region of bottom on top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558354.1A CN107246819A (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710558354.1A CN107246819A (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246819A true CN107246819A (en) | 2017-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710558354.1A Pending CN107246819A (en) | 2017-07-10 | 2017-07-10 | A kind of mid-deep strata hot hole as cold and hot conversion equipment during Cooling and Heat Source sealing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246819A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240279A (en) * | 2002-02-12 | 2003-08-27 | Nishimatsu Constr Co Ltd | Cooling method, cooling equipment or cooling system |
| WO2008122114A2 (en) * | 2007-04-04 | 2008-10-16 | Bardsley James E | Coaxial borehole energy exchange system for storing and extracting underground cold |
| CN101349450A (en) * | 2008-06-27 | 2009-01-21 | 赵铭 | Deep layer terrestrial heat renewable energy source winter heating method |
| CN106460486A (en) * | 2014-04-01 | 2017-02-22 | 未来E蒸汽有限责任公司 | Thermal energy delivery and oil production arrangements and methods thereof |
| CN207113694U (en) * | 2017-07-10 | 2018-03-16 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata hot hole as Cooling and Heat Source when cold and hot conversion equipment sealing device |
-
2017
- 2017-07-10 CN CN201710558354.1A patent/CN107246819A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003240279A (en) * | 2002-02-12 | 2003-08-27 | Nishimatsu Constr Co Ltd | Cooling method, cooling equipment or cooling system |
| WO2008122114A2 (en) * | 2007-04-04 | 2008-10-16 | Bardsley James E | Coaxial borehole energy exchange system for storing and extracting underground cold |
| CN101349450A (en) * | 2008-06-27 | 2009-01-21 | 赵铭 | Deep layer terrestrial heat renewable energy source winter heating method |
| CN106460486A (en) * | 2014-04-01 | 2017-02-22 | 未来E蒸汽有限责任公司 | Thermal energy delivery and oil production arrangements and methods thereof |
| CN207113694U (en) * | 2017-07-10 | 2018-03-16 | 陕西德龙地热开发有限公司 | A kind of mid-deep strata hot hole as Cooling and Heat Source when cold and hot conversion equipment sealing device |
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Effective date of abandoning: 20240112 |
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