CN207797439U - A kind of heat pipe-type hot dry rock high-efficiency heat exchanger - Google Patents
A kind of heat pipe-type hot dry rock high-efficiency heat exchanger Download PDFInfo
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- CN207797439U CN207797439U CN201721706138.9U CN201721706138U CN207797439U CN 207797439 U CN207797439 U CN 207797439U CN 201721706138 U CN201721706138 U CN 201721706138U CN 207797439 U CN207797439 U CN 207797439U
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- Prior art keywords
- pipe
- heat conducting
- heat
- conducting pipe
- infusion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of heat pipe-type hot dry rock high-efficiency heat exchanger belongs to hot dry rock technical field of heat exchange, solves the low technical problem of hot dry rock heat-exchange system heat exchange efficiency, and solution is：Heat conducting pipe of being infused includes wide opening section and slot section, infusion heat conducting pipe top and bottom is disposed as open end, end socket is set at wide opening section lower face, diversity water seal head is set to the top of slot section, feed pipe and return pipe are set on diversity water seal head, feed pipe is connected to infusion heat conducting pipe tube chamber, and return pipe is connected to instlated tubular tube chamber；Wide opening section outer wall lower part is equipped with helical fin, slot section outer wall top is enclosed with insulating layer, infusion heat conducting pipe center portion is provided with instlated tubular, wide opening pars infrasegmentalis is connected to instlated tubular lower part, it is provided with helical flow path between wide opening section inner wall and heat-insulated pipe outer wall, the tube chamber volume for heat conducting pipe of being infused is 2 ~ 4 times of the tube chamber volume of instlated tubular.Helical fin increases heat exchange area with helical flow path, and insulating layer reduces thermal diffusion with instlated tubular, improves hot dry rock heat-exchange system heat exchange efficiency.
Description
Technical field
The utility model belongs to hot dry rock technical field of heat exchange, and in particular to a kind of heat pipe-type hot dry rock high efficient heat exchanging dress
It sets.
Background technology
Hot dry rock is a kind of clean renewable geothermal energy resources, in past 40 years, the utilization technology of hot dry rock increasingly at
It is ripe, show huge utility value.China's land area vast area and it is located in three macroplate intersections, has good xeothermic
Rock preservation background.To China's land area terrestrial heat flow, different depth thermal conductivity of rocks, rock heat generation and radioactive element collection
On the basis of the Thickness Analysis in middle level, using the method extrapolated to crust deep part according to shallow temperature measuring data, not to land area of China
It is estimated with depth temperature, volumetric method is utilized to provide the hot dry rock of land area of China depths 3.0~10.0km on this basis
Source amount is estimated, the results show that the depths 3.0~10.0km of China mainland hot dry rock resource adds up to 2.5 × 1025J, phase
When in 860,000,000,000,000 tons of standard coals, being calculated by 2% Allowable exploitation quantity, be equivalent to the 5200 of the current energy consumption total amount in China
Times, wherein between depth 3 .5~7 .5km, temperature is huge between 150 DEG C to 250 DEG C of hot dry rock reserves, about 6 .3
× 106EJ is calculated by 2% workable reserves, will also be obtained the thermal energy of 126000EJ, be equivalent to China's energy-consuming in 2010
1320 times of total amount, exploitation prospect is huge, and there is an urgent need for a kind of equipment to exploit the renewable geothermal energy resources of hot dry rock.So
And existing hot dry rock heat exchanger system heat exchange efficiency is low, causes the waste of geothermal energy resources.
Utility model content
In order to overcome the shortcomings of the prior art, it is low to solve hot dry rock heat exchanger system heat exchange efficiency in the prior art
Technical problem, the utility model provide a kind of heat pipe-type hot dry rock high-efficiency heat exchanger.
The utility model is achieved by the following technical programs：
A kind of heat pipe-type hot dry rock high-efficiency heat exchanger, it include end socket, infusion heat conducting pipe, instlated tubular, diversity water seal head,
Feed pipe and return pipe, the hot water in the feed pipe are flowed back after external heating body heat by return pipe, wherein：It is described defeated
Liquid heat conducting pipe is arranged by drilling machine, in the drilling that ground drills out vertically downward, the top and bottom for heat conducting pipe of being infused is respectively provided with
For open end, infusion heat conducting pipe lower part tube chamber is set as wide opening section, and infusion heat conducting pipe top tube chamber is set as slot section, wide opening section
By being connect with tapered transitional pipe segment transition between slot section, end socket is set to the lower face of infusion heat conducting pipe wide opening section
Place；It is provided with helical fin on infusion heat conducting pipe wide opening section outer wall, insulating layer is enclosed on heat conducting pipe slot section outer wall of being infused；It is defeated
The center portion of liquid heat conducting pipe is provided with instlated tubular, and screen casing is provided between end socket below instlated tubular, and screen casing side wall is provided with sieve pore,
The lower part of infusion heat conducting pipe is connected to the lower part of instlated tubular by screen casing, the outer wall of be infused heat conducting pipe wide opening section inner wall and instlated tubular
Between be provided with helical flow path, the tube chamber volume for heat conducting pipe of being infused is 2 ~ 4 times of the tube chamber volume of instlated tubular；The diversity water seal
Head is removable installed in the top of infusion heat conducting pipe, and the feed pipe and return pipe are set on diversity water seal head, feed pipe
Be respectively arranged with pump on return pipe, feed pipe extends to the top of infusion heat conducting pipe tube chamber, and return pipe extends to instlated tubular pipe
The top of chamber.
Further, the drilling is set as drilling out the drilling of diameter 300mm vertically downward on ground by drilling machine, described
Infusion heat conducting pipe is set as the infusion heat conducting pipe of length 2000m or more.
Further, the infusion heat conducting pipe includes multistage steel pipe, adjacent steel-pipe welding or threaded connection.
Further, the feed pipe and return pipe are welded or are threaded on diversity water seal head.
Further, the tube chamber volume of the infusion heat conducting pipe wide opening section is the tube chamber volume of infusion heat conducting pipe slot section
2 times.
The utility model has the advantages that compared with prior art：
1）, heat transfer coefficient it is high, infusion heat conducting pipe wide opening section outer wall is equipped with helical fin, and infusion heat conducting pipe wide opening intersegmental part is set
It is equipped with helical flow path, by heat transfer, increases heat exchange area, increases heat-exchange time, reinforce exchange capability of heat.
2）, transmit that heat is big, and in the case where gas-gas exchange heat, instlated tubular is optimal, heat transfer coefficient is 10 times of light pipe,
6 times or more of finned tube.
3）, good heat insulating, the diabatic process in heat pipe, due to being phase transition process, along with working fluid in pipe
Purity is very high, and therefore, the temperature of heat pipe inner vapor is substantially constant temperature.On infusion heat conducting pipe slot section outer wall top, package is protected
Warm layer reduces high-temp liquid and extraneous heat exchange, reduces the thermal losses in transmission process, improve the heat exchange of heat-exchange system
Rate.
4）, it is safe and reliable.Aperture is small（200 millimeters）, depth at 2000 meters hereinafter, have no effect to building lot, ground
Lower movement-less part；Utilize underground high temperature heat source heat supply, lasting stability.
5）, simple structure, without motion part.It is easy to operate convenient for manufacture, installation, Operation and maintenance, it is easy to clean.
6）, reasonable in economy, maintenance cost is low.Structure is safe and reliable, compact, reliable operation, light-weight, floor space
It is small, it is easy for installation, it is easy to construct, investment reduction.
7）, application conditions it is extensive, be applicable in larger ground pressure, temperature range（Within 500 DEG C）It is handed over various geo-logical terrain heat
It changes, is generally applicable in.The selected comparison for installing heat exchanger position is flexible, is not restricted by site condition generally.
Description of the drawings
Fig. 1 is the utility model overall structure schematic cross-sectional view, and hollow arrow is that cryogenic liquid flows direction in figure, solid
Arrow is the high-temp liquid flow direction after heat exchange.
In figure, 1 is end socket, and 2 be helical fin, and 3 be infusion heat conducting pipe, and 4 be helical flow path, and 5 be insulating layer, and 6 be heat-insulated
Pipe, 7 be diversity water seal head, and 8 be return pipe, and 9 be feed pipe, and 10 be screen casing.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
A kind of heat pipe-type hot dry rock high-efficiency heat exchanger as shown in Figure 1, it includes end socket 1, infusion heat conducting pipe 3, heat-insulated
Pipe 6, diversity water seal head 7, feed pipe 8 and return pipe 9, the hot water in the feed pipe 8 is after external heating body warm by returning
Water pipe 9 flows back, wherein：The infusion heat conducting pipe 3 is arranged by drilling machine, in the drilling that ground drills out vertically downward, infusion is led
The top and bottom of heat pipe 3 is disposed as open end, and infusion 3 lower part tube chamber of heat conducting pipe is set as wide opening section, is infused on heat conducting pipe 3
Portion's tube chamber is set as slot section, by the way that with tapered transitional pipe segment transition connection, end socket 1 is arranged between wide opening section and slot section
At the lower face of infusion 3 wide opening section of heat conducting pipe；It is provided with helical fin 2 on infusion 3 wide opening section outer wall of heat conducting pipe, heat conduction of being infused
It is enclosed with insulating layer 5 on 3 slot section outer wall of pipe；The center portion of infusion heat conducting pipe 3 is provided with instlated tubular 6,6 lower section of instlated tubular and end socket
Screen casing 10 is provided between 1,10 side wall of screen casing is provided with sieve pore, and the lower part of heat conducting pipe 3 of being infused passes through sieve with the lower part of instlated tubular 6
Pipe is connected to, and is infused between 3 wide opening section inner wall of heat conducting pipe and the outer wall of instlated tubular 6 and is provided with helical flow path 4, infusion heat conducting pipe 3
Tube chamber volume is 2 ~ 4 times of the tube chamber volume of instlated tubular 6；The diversity water seal head 7 is removable installed in infusion heat conducting pipe 3
Top, the feed pipe 8 and return pipe 9 are set on diversity water seal head 7, and pump is respectively arranged on feed pipe 8 and return pipe 9,
Feed pipe 8 extends to the top of infusion 3 tube chamber of heat conducting pipe, and return pipe 9 extends to the top of 6 tube chamber of instlated tubular.
Further, the drilling is set as drilling out the drilling of diameter 300mm vertically downward on ground by drilling machine, described
Infusion heat conducting pipe 3 is set as the infusion heat conducting pipe 3 of length 2000m or more.
Further, the infusion heat conducting pipe 3 includes multistage steel pipe, adjacent steel-pipe welding or threaded connection.
Further, the feed pipe 8 and return pipe 9 are welded or are threaded on diversity water seal head 7.
Further, the tube chamber volume of the infusion 3 wide opening section of heat conducting pipe is the tube chamber volume of infusion 3 slot section of heat conducting pipe
2 times.
The utility model use process is as follows：
According to the geothermal energy reserve status of detection, drilling well and by present apparatus assembling and setting, water injection test meets use and wants
It asks.
In use, the high-temp liquid in feed pipe 8 is back to instlated tubular 6 after external heating body heat release by return pipe 9
Tube chamber in, wherein the tube chamber volume of infusion heat conducting pipe 3 is 4 times of tube chamber volume of instlated tubular 6, liquid in 6 tube chamber of instlated tubular
Weight and liquid in infusion 3 tube chamber of heat conducting pipe weight there are weight difference, slow down the flow velocity of low temperature reflux liquid, heat conducting pipe of being infused
The helical flow path 4 being arranged between 3 wide opening section inner walls and the outer wall of instlated tubular 6 equally slows down the flow velocity of low temperature reflux liquid, makes low
Warm phegma and the helical fin 2 of infusion 3 wide opening section outer wall of heat conducting pipe setting fully exchange heat.Low temperature reflux liquid after heat exchange becomes
The high-temperature heat supply water of higher temperature is carried, or even is vaporized into high-temperature vapor, high-temperature heat supply water passes through 3 slot of heat conducting pipe of being infused
Section is quickly pumped to external heating body through feed pipe 8 and uses, and so recycles.In this heat transfer process, 3 slot section of heat conducting pipe of being infused
The instlated tubular 6 being arranged in the insulating layer 5 and infusion heat conducting pipe 3 of the setting of outer wall top can effectively reduce high-temperature heat supply water after heat exchange
Thermal diffusion, avoid the loss that temperature is caused during high-temp liquid transmits.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
It is any to be familiar with those skilled in the art within the technical scope disclosed by the utility model in this, the variation that can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (5)
1. a kind of heat pipe-type hot dry rock high-efficiency heat exchanger, it includes end socket（1）, infusion heat conducting pipe（3）, instlated tubular（6）, diversity
Water seal head（7）, feed pipe（8）And return pipe（9）, the feed pipe（8）In hot water after external heating body heat by returning
Water pipe（9）Reflux, it is characterised in that：The infusion heat conducting pipe（3）It is arranged in the brill drilled out vertically downward on ground by drilling machine
In hole, heat conducting pipe of being infused（3）Top and bottom be disposed as open end, heat conducting pipe of being infused（3）Lower part tube chamber is set as wide opening
Section, heat conducting pipe of being infused（3）Top tube chamber is set as slot section, by with tapered transitional pipe segment between wide opening section and slot section
Transition connects, end socket（1）It is set to infusion heat conducting pipe（3）At the lower face of wide opening section；Infusion heat conducting pipe（3）On wide opening section outer wall
It is provided with helical fin（2）, heat conducting pipe of being infused（3）It is enclosed with insulating layer on slot section outer wall（5）；Infusion heat conducting pipe（3）The heart
Portion is provided with instlated tubular（6）, instlated tubular（6）Lower section and end socket（1）Between be provided with screen casing（10）, screen casing（10）Side wall is provided with
Sieve pore, heat conducting pipe of being infused（3）Lower part and instlated tubular（6）Lower part be connected to by screen casing, be infused heat conducting pipe（3）Wide opening section inner wall
With instlated tubular（6）Outer wall between be provided with helical flow path（4）, heat conducting pipe of being infused（3）Tube chamber volume be instlated tubular（6）Pipe
2 ~ 4 times of chamber volume；The diversity water seal head（7）It is removable installed in infusion heat conducting pipe（3）Top, the feed pipe
（8）And return pipe（9）It is set to diversity water seal head（7）On, feed pipe（8）And return pipe（9）On be respectively arranged with pump, feed pipe
（8）Extend to infusion heat conducting pipe（3）The top of tube chamber, return pipe（9）Extend to instlated tubular（6）The top of tube chamber.
2. a kind of heat pipe-type hot dry rock high-efficiency heat exchanger according to claim 1, it is characterised in that：The drilling setting
To drill out the drilling of diameter 300mm, the infusion heat conducting pipe vertically downward on ground by drilling machine（3）It is set as length 2000m
Above infusion heat conducting pipe（3）.
3. a kind of heat pipe-type hot dry rock high-efficiency heat exchanger according to claim 1, it is characterised in that：The infusion heat conduction
Pipe（3）Including multistage steel pipe, adjacent steel-pipe welding or threaded connection.
4. a kind of heat pipe-type hot dry rock high-efficiency heat exchanger according to claim 1, it is characterised in that：The feed pipe
（8）And return pipe（9）Weld or be threaded in diversity water seal head（7）On.
5. a kind of heat pipe-type hot dry rock high-efficiency heat exchanger according to claim 1, it is characterised in that：The infusion heat conduction
Pipe（3）The tube chamber volume of wide opening section is infusion heat conducting pipe（3）2 times of the tube chamber volume of slot section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721706138.9U CN207797439U (en) | 2017-12-11 | 2017-12-11 | A kind of heat pipe-type hot dry rock high-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721706138.9U CN207797439U (en) | 2017-12-11 | 2017-12-11 | A kind of heat pipe-type hot dry rock high-efficiency heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797439U true CN207797439U (en) | 2018-08-31 |
Family
ID=63282930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721706138.9U Expired - Fee Related CN207797439U (en) | 2017-12-11 | 2017-12-11 | A kind of heat pipe-type hot dry rock high-efficiency heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207797439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050717A (en) * | 2017-12-11 | 2018-05-18 | 王盛昌 | Heat pipe-type hot dry rock high-efficiency heat exchanger |
| CN111609575A (en) * | 2020-06-18 | 2020-09-01 | 青海省第二地质勘查院 | Hot dry rock heat transfer device that can local secondary heat transfer |
-
2017
- 2017-12-11 CN CN201721706138.9U patent/CN207797439U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050717A (en) * | 2017-12-11 | 2018-05-18 | 王盛昌 | Heat pipe-type hot dry rock high-efficiency heat exchanger |
| CN111609575A (en) * | 2020-06-18 | 2020-09-01 | 青海省第二地质勘查院 | Hot dry rock heat transfer device that can local secondary heat transfer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20201211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |