CN209857177U - Novel single heating system of middle-deep geothermal energy - Google Patents
Novel single heating system of middle-deep geothermal energy Download PDFInfo
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- CN209857177U CN209857177U CN201920656088.0U CN201920656088U CN209857177U CN 209857177 U CN209857177 U CN 209857177U CN 201920656088 U CN201920656088 U CN 201920656088U CN 209857177 U CN209857177 U CN 209857177U
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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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Abstract
The utility model belongs to the technical field of heating system, especially be a novel middle and deep layer geothermal energy individual heating system, including microbubble lightweight concrete insulating tube, inner tube, outer tube, collection backwater device, distribution water delivery device, inspection shaft and terminal water intaking user, the output of collection backwater device is connected with microbubble lightweight concrete insulating tube, microbubble lightweight concrete insulating tube buries underground and extends to the temperature balance layer, has used microbubble concrete special steel pipe, and its thermal insulation performance is high, the heat loss is few, and the system only adopts the heat supply network of once in the ground; the return water is directly conveyed to the underground through the water collecting and returning device, and the whole system is in a closed circulation state by repeated circulation, so that the system has the advantages of fully utilizing the geothermal high temperature, greatly reducing the heat loss links of intermediate heat exchange equipment and parts, simplifying the system, reducing faults, improving the heat efficiency, reducing the cost and having more ideal heating effect.
Description
Technical Field
The utility model belongs to the technical field of heating system, especially, be a novel single heating system of middle and deep geothermal energy.
Background
In the middle-deep geothermal energy heating system used at the present stage, because the temperature is low and the control technical mode is backward, a secondary net heat collection and exchange system is still used, namely, an underground heat exchanger absorbs heat, a ground special heat exchanger carries out secondary heat exchange, and finally hot water after heat exchange is conveyed to a user for heat dissipation. Its advantages are easy control and maintenance when the tail end is failed, and less influence to whole system. The heat exchanger has the defects of more special heat exchange equipment, long pipelines, complex installation, large occupied space, more operation circulation, serious heat loss and great influence on heat supply effect due to more operation equipment and higher failure rate during secondary network heat exchange.
The traditional geothermal energy is buried in the underground heating power steel pipe and all adopts petroleum drilling technology petroleum casing pipe materials, the steel material is J55 special steel, the corrosion resistance, high temperature resistance and high pressure resistance are only considered to be solved, the pipe is filled with special heat conducting materials to solve the collection and transmission of heat energy, but no measures are provided for the heat loss above a temperature balance layer, so that only 60 degrees remain when the heat energy with the depth of 3000 meters and the temperature of nearly 95 degrees is collected and transmitted to the ground, and the heat energy loss is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel single heating system of deep geothermal energy in well to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel single heating system of geothermal energy in middle and deep layers, which comprises a micro-bubble lightweight concrete heat preservation pipe, an inner pipe, an outer pipe, a water collecting and returning device, a water distributing and conveying device, an inspection well and a terminal water taking user, the output end of the water collecting and returning device is connected with the micro-bubble lightweight concrete heat preservation pipe which is buried under the ground and extends to the temperature balance layer, the lower end of the micro-bubble lightweight concrete heat preservation pipe is connected with the outer pipe, the outer pipe extends to the underground depth of three kilometers, the inner pipe is arranged in the outer pipe and extends upwards into the inspection well, and penetrates through the micro-bubble lightweight concrete heat-insulating pipe, the inner pipe is connected in the water distribution and delivery device, the output end of the water distribution and delivery device is connected to the terminal water taking user, and the output end of the terminal water taking user is connected to the water collecting and returning device.
Preferably, the inner pipe and the outer pipe are both made of J55 steel pipes.
Preferably, the micro-bubble lightweight concrete heat preservation pipe consists of an outer pipe and a micro-bubble lightweight concrete layer which are distributed inside and outside, and the micro-bubble lightweight concrete layer is positioned on the temperature balance layer.
Preferably, the thickness of the micro-bubble light concrete layer is at least 25 cm.
Preferably, an inlet of the outer pipe is connected with an output end of the water collecting and returning device.
Preferably, the outlet of the inner tube is connected with the input end of the terminal water taking user.
Compared with the prior art, the beneficial effects of the utility model are that:
in the novel middle-deep geothermal energy single heating system, a micro-bubble concrete special steel pipe is used, the heat insulation performance is extremely high, the heat loss is extremely low, and the system only adopts an underground primary heating network and directly conveys the heat to a user through a water distribution and delivery device; the method has the advantages that the geothermal high temperature is fully utilized, the heat loss links of intermediate heat exchange equipment and parts are greatly reduced, the system is simplified, the faults are reduced, the heat efficiency is improved, the cost is reduced, the heating effect is more ideal, the initial investment can be saved by more than 30 percent under the same condition of the same region, and a microbubble light concrete special steel pipe is adopted for a pipe network with the larger loss of underground heat energy, so that the purposes of improving the temperature and reducing the heat loss are achieved, the heat energy can be improved by about 20 degrees through experimental tests, namely, the heat energy collection at 95 degrees in the depth of 3000 meters and the transportation to the ground can be still kept at about 80-85 degrees.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the distribution of the micro-bubble lightweight concrete thermal insulation pipe of the present invention;
fig. 3 is a schematic structural view of the medium-micro-foam lightweight concrete thermal insulation pipe of the present invention.
In the figure: 1. micro-bubble light concrete heat preservation pipe; 11. a micro-bubble light concrete layer; 2. an inner tube; 201. an outlet of the inner tube; 3. an outer tube; 301. an outer tube inlet; 4. a water collecting and returning device; 5. a water distribution and delivery device; 6. an inspection well; 7. the end gets the water user.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a novel single heating system of geothermal energy in middle and deep layers comprises a micro-bubble lightweight concrete heat preservation pipe 1, an inner pipe 2, an outer pipe 3, a water collecting and returning device 4, a water distributing and conveying device 5, an inspection well 6 and a terminal water taking user 7, wherein the output end of the water collecting and returning device 4 is connected with the micro-bubble lightweight concrete heat preservation pipe 1, the micro-bubble lightweight concrete heat preservation pipe 1 is buried under the ground and extends to a temperature balance layer, the lower end of the micro-bubble lightweight concrete heat preservation pipe 1 is connected with the outer pipe 3, the outer pipe 3 extends to the depth of three kilometers underground, the inner pipe 2 is arranged inside the outer pipe 3, the inner pipe 2 extends upwards into the inspection well 6, the micro-bubble lightweight concrete heat preservation pipe 1 penetrates through the micro-bubble lightweight concrete heat preservation pipe, the inner pipe 2 is connected in the water distribution and delivery device 5, the output end of the water distribution and delivery device 5 is connected in the terminal water taking user 7, and the output end of the terminal water taking user 7 is connected in the water collecting and returning device 4.
In this embodiment: the output end of the water collecting and returning device 4 is connected with a micro-bubble lightweight concrete heat-insulating pipe 1, the micro-bubble lightweight concrete heat-insulating pipe 1 is buried under the ground and extends to a temperature balance layer, the lower end of the micro-bubble lightweight concrete heat-insulating pipe 1 is connected with an outer pipe 3, the outer pipe 3 extends to the depth of three kilometers underground, the micro-bubble lightweight concrete heat-insulating pipe 1 is used, the heat-insulating performance is extremely high, the heat loss is extremely low, the system only adopts an underground primary heat supply network, and the micro-bubble lightweight concrete heat-insulating pipe is directly conveyed to a user; the inner pipe 2 extends upwards into the inspection well 6 and penetrates through the micro-bubble lightweight concrete heat preservation pipe 1, the inner pipe 2 is connected in the water distribution and delivery device 5, the output end of the water distribution and delivery device 5 is connected in the tail end water taking user 7, the output end of the tail end water taking user 7 is connected in the water collecting and returning device 4, the returned water is directly conveyed to the ground through the water collecting and returning device, and the whole system is in a closed circulation state by repeated circulation, thereby the system has the advantages of fully utilizing the geothermal high temperature, greatly reducing the heat loss links of intermediate heat exchange equipment and parts, simplifying the system, reducing faults, improving the heat efficiency, reducing the cost, having more ideal heating effect, saving the initial investment by more than 30 percent under the same regional condition, adopting the micro-bubble lightweight concrete heat preservation pipe 1 for most pipe networks with deep buried underground heat energy loss, and achieving the purposes of improving the temperature and reducing the heat loss, the experimental test shows that the heat energy can be improved by about 20 degrees, namely the heat energy at 95 degrees in the depth of 3000 meters can be collected and conveyed to the ground and still be kept at about 80-85 degrees.
Specifically, the inner pipe 2 and the outer pipe 3 are both made of J55 steel pipes; has the characteristics of corrosion resistance, high temperature resistance and high pressure resistance.
Specifically, the micro-bubble lightweight concrete heat preservation pipe 1 consists of an outer pipe 3 and a micro-bubble lightweight concrete layer 11 which are distributed inside and outside, and the micro-bubble lightweight concrete layer 11 is positioned on a temperature balance layer; the pipe network on the temperature balance layer adopts the micro-bubble lightweight concrete heat preservation pipe 1, and the distance from the temperature balance layer to the ground is 400-500 meters, so that the purposes of improving the temperature and reducing the heat loss are achieved, the heat energy can be improved by about 20 degrees through experimental tests, namely, the heat energy at 95 degrees in the depth of 3000 meters can be collected and conveyed to the ground and still be kept at about 80-85 degrees.
Specifically, the thickness of the micro-bubble light concrete layer 11 is at least 25 cm; the thick micro-bubble light concrete layer 11 plays a good role in heat preservation, and the heat loss is greatly reduced.
Specifically, an outer pipe inlet 301 of the outer pipe 3 is connected with an output end of the water collecting and returning device 4, and an inner pipe outlet 201 of the inner pipe 2 is connected with an input end of a terminal water taking user 7; the water collecting and returning device 4 pumps water into the outer pipe 3 through the outer pipe inlet 301, the water reaches the bottom of the outer pipe 3 to obtain geothermal energy, then hot water is pumped out of the inner pipe 2 and is input into the water distribution and delivery device 5 and then is input into the tail end water taking user 7 for use, and the tail end water taking user 7 inputs the water into the water collecting and returning device 4 to form circulation.
The utility model discloses a theory of operation and use flow: the water collecting and returning device 4 pumps water into the outer pipe 3 through the outer pipe inlet 301, the water reaches the bottom of the outer pipe 3 to obtain geothermal energy, then hot water is pumped out of the inner pipe 2 and is input into the water distribution and delivery device 5, and then is input into the end water taking user 7 for use, the end water taking user 7 inputs water into the water collecting and returning device 4 again to form circulation, and the system only adopts an underground primary heat supply network and directly delivers the water to users through the water distribution and delivery device 5; the backwater is directly conveyed to the ground through the water collecting and backwater device 4, and the whole system is in a closed circulation state by repeated circulation, so that the system has the advantages of fully utilizing the geothermal high temperature, greatly reducing the heat loss links of intermediate heat exchange equipment and parts, simplifying the system, reducing faults, improving the heat efficiency, reducing the cost, having more ideal heating effect, saving the initial investment by more than 30 percent under the same condition of the same region, and adopting the micro-bubble lightweight concrete heat-insulating pipe 1 for the pipe network with the larger loss of the underground heat energy, thereby achieving the purpose of improving the temperature and reducing the heat loss, and improving the heat energy by about 20 degrees through experimental tests, namely collecting the heat energy at 95 degrees in the depth of 3000 meters and conveying the heat energy to the ground can still be kept at about 80-85 degrees.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel single heating system of middle and deep layer geothermal energy which characterized in that: comprises a micro-bubble lightweight concrete heat-insulating pipe (1), an inner pipe (2), an outer pipe (3), a water collecting and returning device (4), a water distribution and delivery device (5), an inspection well (6) and a terminal water taking user (7), wherein the output end of the water collecting and returning device (4) is connected with the micro-bubble lightweight concrete heat-insulating pipe (1), the micro-bubble lightweight concrete heat-insulating pipe (1) is buried underground and extends to a temperature balance layer, the lower end of the micro-bubble lightweight concrete heat-insulating pipe (1) is connected with the outer pipe (3), the outer pipe (3) extends to the underground three kilometers of depth, the inner pipe (2) is arranged inside the outer pipe (3), the inner pipe (2) extends upwards into the inspection well (6) and penetrates through the micro-bubble lightweight concrete heat-insulating pipe (1), and the inner pipe (2) is connected in the water delivery device (5), the output end of the water distribution and delivery device (5) is connected to the terminal water taking user (7), and the output end of the terminal water taking user (7) is connected to the water collecting and returning device (4).
2. The novel single heating system of middle and deep geothermal energy of claim 1, wherein: the inner pipe (2) and the outer pipe (3) are made of J55 steel pipes.
3. The novel single heating system of middle and deep geothermal energy of claim 1, wherein: the micro-bubble light concrete heat preservation pipe (1) is composed of an outer pipe (3) and a micro-bubble light concrete layer (11) which are distributed inside and outside, and the micro-bubble light concrete layer (11) is located on a temperature balance layer.
4. The novel single heating system of middle and deep geothermal energy of claim 3, wherein: the thickness of the micro-bubble light concrete layer (11) is at least 25 cm.
5. The novel single heating system of middle and deep geothermal energy of claim 1, wherein: and an outer pipe inlet (301) of the outer pipe (3) is connected with the output end of the water collecting and returning device (4).
6. The novel single heating system of middle and deep geothermal energy of claim 1, wherein: the inner tube outlet (201) of the inner tube (2) is connected with the input end of the terminal water taking user (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920656088.0U CN209857177U (en) | 2019-05-09 | 2019-05-09 | Novel single heating system of middle-deep geothermal energy |
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| CN201920656088.0U CN209857177U (en) | 2019-05-09 | 2019-05-09 | Novel single heating system of middle-deep geothermal energy |
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| CN209857177U true CN209857177U (en) | 2019-12-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410849A (en) * | 2019-05-09 | 2019-11-05 | 陕西学为清洁能源科技有限公司 | A kind of novel mid-deep strata geothermal energy individual event heating system |
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- 2019-05-09 CN CN201920656088.0U patent/CN209857177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410849A (en) * | 2019-05-09 | 2019-11-05 | 陕西学为清洁能源科技有限公司 | A kind of novel mid-deep strata geothermal energy individual event heating system |
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