CN220552332U - Shield tunnel energy segment based on capillary heat exchanger and heat exchange system - Google Patents
Shield tunnel energy segment based on capillary heat exchanger and heat exchange system Download PDFInfo
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- CN220552332U CN220552332U CN202322082909.3U CN202322082909U CN220552332U CN 220552332 U CN220552332 U CN 220552332U CN 202322082909 U CN202322082909 U CN 202322082909U CN 220552332 U CN220552332 U CN 220552332U
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- shield tunnel
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- 230000002787 reinforcement Effects 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 238000010276 construction Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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 energy equipment, and provides a shield tunnel energy segment based on a capillary heat exchanger and a heat exchange system, wherein a plurality of capillary branch pipes are arranged on a steel reinforcement cage, and a header pipe connected with the capillary branch pipes is arranged on the steel reinforcement cage; the reinforcement cage and the plurality of capillary branch pipes are positioned in the concrete, one part of the connecting pipe is positioned in the concrete, and the other part of the connecting pipe is positioned outside the concrete; the structure setting that combines together capillary heat exchanger and shield tunnel section of jurisdiction has been realized, has obtained the shield tunnel energy section of jurisdiction that can directly lay at the tunnel, has avoided needing capillary heat exchanger to arrange the problem that goes on with tunnel construction simultaneously, does not have the problem that the process is crossed in the later stage, has guaranteed the construction cycle of tunnel, in the tunnel construction process, capillary heat exchanger is difficult for suffering other work types and destroys moreover.
Description
Technical Field
The utility model belongs to the technical field of energy equipment, and particularly relates to a shield tunnel energy segment based on a capillary heat exchanger and a heat exchange system.
Background
At present, a large number of cities are building subways, and the operation mileage of the subways is rapidly increased. A large amount of heat can be generated in the subway operation process, if the heat cannot be treated in time, the heat can be absorbed by tunnel surrounding rock, so that heat accumulation is caused, and finally, underground space heat pollution is generated, and the high-efficiency and safe operation of the subway is seriously influenced. The heat is discharged to the outside of the tunnel through the conventional modes of piston ventilation, mechanical ventilation and the like, which can result in serious energy waste. In recent years, part of engineering combines a ground heat exchanger of a traditional ground source heat pump system with a tunnel structure to extract waste heat in the tunnel for heating of an above-ground building; therefore, the energy can be efficiently utilized, and the tunnel environment is improved; however, the problems of high manufacturing cost, high construction difficulty, low construction progress and the like in practical engineering application are caused by the problems of large pipe diameter, large turning radius, large construction space requirement and the like of the traditional buried pipe, so that the traditional buried pipe is difficult to apply in practical subway tunnel engineering.
The inventor finds that the scheme combining the capillary tube heat exchanger with the subway tunnel avoids the problem when the traditional buried pipe is applied to the subway tunnel due to the characteristics of small pipe diameter, small turning radius, small construction space and the like of the capillary tube heat exchanger, but the scheme requires the capillary tube heat exchanger to be arranged simultaneously with the tunnel construction, has the problem of process crossing, and can seriously influence the construction period of the tunnel; in the tunnel construction process, the capillary tube heat exchanger is also easily damaged by other work types, so that the heat exchanger cannot normally operate.
Disclosure of Invention
In order to solve the problems, the utility model provides the shield tunnel energy segment and the heat exchange system based on the capillary heat exchanger.
According to some embodiments, the first scheme of the utility model provides a shield tunnel energy segment based on a capillary heat exchanger, which adopts the following technical scheme:
a shield tunnel energy segment based on a capillary heat exchanger comprises a reinforcement cage and a plurality of capillary branch pipes arranged on the reinforcement cage; a connecting pipe is arranged on the reinforcement cage and connected with a plurality of fine hair branch pipes;
concrete is arranged on the reinforcement cage; the reinforcement cage and the plurality of fine hair branch pipes are positioned in the concrete; the header is partially located inside the concrete and partially located outside the concrete.
Further, each capillary branch pipe is fixed on the reinforcement cage through a plurality of strapping.
Further, a channel is formed in one end of the reinforcement cage, and the header is arranged in the channel.
Further, the channel is fixed on the reinforcement cage through bolts.
Further, one end of the reinforcement cage is provided with a grouting pipe, and the header pipe is arranged in the grouting pipe.
Further, the grouting pipe is fixed on the reinforcement cage.
Further, the header comprises a water supply pipe and a water return pipe; each capillary branch pipe comprises an outlet and an inlet, the inlets of all capillary branch pipes are connected with the water supply pipe, and the outlets of all capillary branch pipes are connected with the water return pipe.
According to some embodiments, a second aspect of the present utility model provides a heat exchange system based on a capillary tube heat exchanger, which adopts the following technical scheme:
a capillary heat exchanger-based heat exchange system comprising a plurality of capillary heat exchanger-based shield tunnel energy segments as described in the first aspect.
Further, a water supply main pipe and a water return main pipe are fixed on the shield tunnel energy source pipe pieces; the water supply pipe on each shield tunnel energy segment is connected with the water supply main pipe through a water supply branch pipe, and the water return pipe on each shield tunnel energy segment is connected with the water return main pipe through a water return branch pipe.
Furthermore, the water supply main pipe and the backwater main pipe are both provided with a pressure gauge and a thermometer.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model arranges a plurality of fine hair branch pipes on a steel reinforcement cage, and arranges a connecting pipe connected with the fine hair branch pipes on the steel reinforcement cage; the reinforcement cage and the plurality of capillary branch pipes are positioned in the concrete, one part of the connecting pipe is positioned in the concrete, and the other part of the connecting pipe is positioned outside the concrete; the structure setting that combines together capillary heat exchanger and shield tunnel section of jurisdiction has been realized, has obtained the shield tunnel energy section of jurisdiction that can directly lay at the tunnel, has avoided needing capillary heat exchanger to arrange the problem that goes on with tunnel construction simultaneously, does not have the problem that the process is crossed in the later stage, has guaranteed the construction cycle of tunnel, in the tunnel construction process, capillary heat exchanger is difficult for suffering other work types and destroys moreover.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of a prefabricated energy segment according to example 1 of the present utility model;
fig. 2 is a schematic view of a reinforcement cage according to embodiment 1 of the present utility model;
FIG. 3 is a schematic diagram of a channel according to embodiment 1 of the present utility model;
FIG. 4 is a schematic view of a capillary tube heat exchanger of example 1 of the present utility model;
FIG. 5 is a schematic view of a prefabricated energy segment according to example 2 of the present utility model;
FIG. 6 is a schematic view of a grouting pipe according to example 2 of the present utility model;
FIG. 7 is a schematic view of a capillary tube heat exchanger of example 2 of the present utility model;
FIG. 8 is a schematic diagram of embodiment 3 of the present utility model;
FIG. 9 is a partial schematic view of embodiment 3 of the present utility model;
wherein: 1. concrete; 2. a channel; 3. a reinforcement cage; 4. a capillary branch; 5. a header; 6. a capillary fixing chuck; 7. strapping tape; 8. a pipe preformed hole; 9. a bolt; 10. prefabricating energy segments; 11. a water supply main; 12. a backwater main pipe; 13. a water supply branch pipe; 14. a water return branch pipe; 15. a pressure gauge; 16. a thermometer; 17. a valve; 18. a conduit bracket; 19. grouting pipe.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1:
the traditional scheme of combining the capillary tube heat exchanger with the subway tunnel requires that the capillary tube heat exchanger is arranged and the tunnel construction is carried out simultaneously, so that the problem of process crossing exists, and the construction period of the tunnel can be seriously influenced; in the tunnel construction process, the capillary tube heat exchanger is also easily damaged by other work types, so that the heat exchanger cannot normally operate. In order to solve the above problems, as shown in fig. 1, in this embodiment, a shield tunnel energy segment based on a capillary heat exchanger is provided, which includes a reinforcement cage 3 and a plurality of capillary branch pipes 4 disposed on the reinforcement cage 3; a header 5 is arranged on the reinforcement cage 3, and the header 5 is connected with a plurality of fine hair branch pipes 4; optionally, the capillary tube 4 is a capillary tube in an existing capillary heat exchanger; the whole reinforcement cage 3 is arc-shaped, and a plurality of fine hair branch pipes 4 can be arranged on the inner arc or the outer arc side of the reinforcement cage 3; the pipe diameter of the capillary branch pipe 4 can be 4.3mm multiplied by 0.85mm, and the pipe diameter of the header 5 can be 20mm multiplied by 2mm;
the reinforcement cage 3 is provided with concrete 1; the reinforcement cage 3 and the plurality of fine hair branch pipes 4 are positioned in the concrete 1; the header 5 is partially located inside the concrete 1 and partially located outside the concrete 1.
Specifically, a plurality of capillary branch pipes 4 are arranged on the steel reinforcement cage 3, and the joint pipe 5 connected with the capillary branch pipes 4 is arranged on the steel reinforcement cage 3; the steel reinforcement cage 3 and the plurality of capillary branch pipes 4 are positioned inside the concrete 1, one part of the header 5 is positioned inside the concrete 1, and the other part is positioned outside the concrete 1; the structure setting that combines together capillary heat exchanger and shield tunnel section of jurisdiction has been realized, has obtained the shield tunnel energy section of jurisdiction that can directly lay at the tunnel, has avoided needing capillary heat exchanger to arrange the problem that goes on with tunnel construction simultaneously, does not have the problem that the process is crossed in the later stage, has guaranteed the construction cycle of tunnel, in the tunnel construction process, capillary heat exchanger is difficult for suffering other work types and destroys moreover.
Alternatively, in this embodiment, each capillary tube 4 may be directly fixed to the reinforcement cage 3 by a plurality of strapping tapes 7; in other embodiments, the fixing of the capillary tube 4 may be assisted by fixing the capillary fixing chuck 6 or a buckle or other structure on the reinforcement cage 3 by welding or bolting. The capillary fixing chuck 6 can be fixed on the reinforcement cage 3 through the strapping 7, and then the capillary branch pipe 4 is fixed on the reinforcement cage 3, and the capillary fixing chuck 6 can adopt a semi-open pincerlike buckle.
Optionally, the capillary branch pipe 4 needs to have a sufficient heat conductivity coefficient to ensure the heat exchange capability of the heat exchanger in the prefabricated energy segment module, for example, a graphene-added PPR is adopted; the capillary tube 4 should also have sufficient pressure-bearing capacity to ensure that the heat exchanger is not flattened during grouting, such as high density PPR; the capillary branch pipes 4 are provided with enough gaps, so that the fluidity of the concrete mortar can be effectively ensured when the shield segments are poured. The capillary fixing chuck 6 can be made of the same material as the capillary branch pipe 4, on one hand, the capillary fixing chuck serves as a heat exchange fin of a capillary tube bundle, so that the heat exchange capacity of the capillary tube bundle is improved, and on the other hand, the capillary tube fixing chuck has certain strength and cannot be damaged in the segment manufacturing process.
In some embodiments, one end of the reinforcement cage 3 is provided with a channel 2, and the header 5 is arranged in the channel 2; the channel 2 can be fixed to the reinforcement cage 3 by means of bolts 9. The channel 2 is provided with a bolt connecting hole for being fixed on the reinforcement cage 3; two connecting pipes are arranged in parallel in the channel 2, so that the connecting pipes are prevented from being flattened and running in the concrete pouring process. The lower part of the channel 2 is provided with a pipeline preformed hole for the header to extend out of the channel 2, and the side surface is provided with a pipeline preformed hole for the connection of the header and the capillary branch pipe.
Optionally, the material of the channel 2 should have sufficient strength to ensure that the channel 2 will not deform during the energy segment manufacturing process, for example, Q355B high strength structural steel is used; the surface of the channel 2 and the bolts should be noted to be corrosion-proof, so that the channel is prevented from being corroded in the use process, for example, hot dip galvanization is adopted; the channel 2 should ensure the compactness of the structure and prevent the concrete from penetrating into the channel.
In other embodiments, one end of the reinforcement cage 3 may be further provided with a grouting pipe 19, and the header 5 is disposed in the grouting pipe 19; the grouting pipe 9 is fixed on the reinforcement cage 3. The grouting pipe 19 is vertically arranged at one side of the reinforcement cage 3, and two union pipes are arranged in parallel in the grouting pipe 19, so that the union pipes are prevented from being damaged in the grouting process, and the union pipes are taken out after grouting is finished.
Optionally, the material of the grouting pipe 19 should have sufficient rigidity and toughness to prevent the grouting pipe from being bent and damaged during grouting; the height of the grouting pipe 19 should exceed the section of the cast concrete, so that the grouting pipe 19 can be taken out after grouting is finished.
In this embodiment, the header 5 may include a water supply pipe and a water return pipe; each capillary branch 4 comprises an outlet and an inlet, the inlets of all capillary branches 4 are connected with the water supply pipe, and the outlets of all capillary branches are connected with the water return pipe. Specifically, the heat exchanger comprises two connecting pipes and a plurality of capillary branch pipes: the two connecting pipes are positioned on the same side and can be divided into a water supply pipe and a water return pipe according to the flowing direction of fluid, and one end or two ends of each connecting pipe are opened and connected with an external pipeline of the prefabricated energy pipe piece; the capillary branch pipes are arranged in parallel, and openings at two ends of each capillary branch pipe are respectively communicated with two connecting pipes; after entering the prefabricated energy pipe piece, the fluid enters the capillary branch pipe through the diversion effect of the water supply pipe, and then is collected in the water return pipe and flows out of the prefabricated energy pipe piece, so that the heat exchange process is completed.
Example 2:
the present embodiment provides a heat exchange system based on a capillary heat exchanger, which includes a plurality of shield tunnel energy segments based on a capillary heat exchanger as described in embodiment 1, and the shield tunnel energy segments based on the capillary heat exchanger are prefabricated energy segments 10.
The water main pipe 11 and the backwater main pipe 12 are fixed on the prefabricated energy pipe pieces 10 through the pipeline bracket 18, and the pipeline bracket 18 can be realized by adopting conventional mechanisms such as circular buckles or clips; the water supply pipe on each shield tunnel energy segment is connected with the water supply main pipe 11 through a water supply branch pipe 13, and the water return pipe on each shield tunnel energy segment is connected with the water return main pipe 12 through a water return branch pipe 14.
The water supply main pipe 11 and the return water main pipe 12 are provided with a pressure gauge 16 and a thermometer 16.
Specifically, a plurality of prefabricated energy segments 10 are arranged on one side of the shield tunnel, are sequentially arranged in the axial direction of the tunnel, and a water supply pipe and a water return pipe of the internal header 5 are respectively connected with a water supply branch pipe 13 and a water return branch pipe 14; the water supply branch pipes 13 and the water return branch pipes 14 at the prefabricated energy pipe pieces 10 with different annular directions are respectively connected with the water supply main pipe 11 and the water return main pipe 12 in parallel, the water supply main pipe 11 and the water return main pipe 12 are arranged on the same side of a tunnel, and are fixed on the wall surface of the tunnel through the pipeline bracket 18.
After entering the heat exchange system, the fluid flows into the water supply branch pipe 13 through the diversion effect of the water main pipe 11, then flows into the prefabricated energy pipe piece 10, after completing heat exchange in the prefabricated energy pipe piece 10, flows out of the prefabricated energy pipe piece 10 through the water return branch pipe 14, and is collected in the water return main pipe 12 and flows out of the system, so that the heat exchange process of the primary system is completed; the pressure gauge 15 may be used to monitor the fluid pressure; the thermometer 16 may be used to monitor the fluid temperature; valves 17 are arranged on the water supply main 11 and the water return main 12 and the water supply branch 13 and the water return branch 14, and can be used for controlling the flow of fluid in the pipeline.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The shield tunnel energy segment based on the capillary heat exchanger is characterized by comprising a reinforcement cage and a plurality of capillary branch pipes arranged on the reinforcement cage; a connecting pipe is arranged on the reinforcement cage and connected with a plurality of fine hair branch pipes;
concrete is arranged on the reinforcement cage; the reinforcement cage and the plurality of fine hair branch pipes are positioned in the concrete; the header is partially located inside the concrete and partially located outside the concrete.
2. A shield tunnel energy source segment based on a capillary heat exchanger according to claim 1, wherein each capillary tube is secured to the reinforcement cage by a plurality of strapping bands.
3. A shield tunnel energy source segment based on a capillary heat exchanger according to claim 1, wherein one end of the reinforcement cage is provided with a channel, and the header is arranged in the channel.
4. A shield tunnel energy source segment based on a capillary heat exchanger according to claim 3, wherein said channels are bolted to said reinforcement cage.
5. The shield tunnel energy segment based on the capillary heat exchanger according to claim 1, wherein a grouting pipe is arranged at one end of the reinforcement cage, and the header pipe is arranged in the grouting pipe.
6. The shield tunnel energy segment based on the capillary heat exchanger according to claim 5, wherein the grouting pipe is fixed on the reinforcement cage.
7. A shield tunnel energy sheet based on a capillary heat exchanger according to claim 1, wherein the header comprises a water supply pipe and a water return pipe; each capillary branch pipe comprises an outlet and an inlet, the inlets of all capillary branch pipes are connected with the water supply pipe, and the outlets of all capillary branch pipes are connected with the water return pipe.
8. A capillary heat exchanger-based heat exchange system comprising a plurality of capillary heat exchanger-based shield tunnel energy segments as recited in any one of claims 1-7.
9. The heat exchange system based on the capillary tube heat exchanger as claimed in claim 8, wherein a water supply main pipe and a water return main pipe are fixed on the shield tunnel energy source segments; the water supply pipe on each shield tunnel energy segment is connected with the water supply main pipe through a water supply branch pipe, and the water return pipe on each shield tunnel energy segment is connected with the water return main pipe through a water return branch pipe.
10. The heat exchange system based on the capillary tube heat exchanger as claimed in claim 9, wherein the water supply main pipe and the return water main pipe are provided with a pressure gauge and a thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082909.3U CN220552332U (en) | 2023-08-03 | 2023-08-03 | Shield tunnel energy segment based on capillary heat exchanger and heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082909.3U CN220552332U (en) | 2023-08-03 | 2023-08-03 | Shield tunnel energy segment based on capillary heat exchanger and heat exchange system |
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| Publication Number | Publication Date |
|---|---|
| CN220552332U true CN220552332U (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322082909.3U Active CN220552332U (en) | 2023-08-03 | 2023-08-03 | Shield tunnel energy segment based on capillary heat exchanger and heat exchange system |
Country Status (1)
| Country | Link |
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| CN (1) | CN220552332U (en) |
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2023
- 2023-08-03 CN CN202322082909.3U patent/CN220552332U/en active Active
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