CN217274912U - Pipe-buried heat exchange system and indoor heating and refrigerating system and pavement deicing and cooling system comprising same - Google Patents
Pipe-buried heat exchange system and indoor heating and refrigerating system and pavement deicing and cooling system comprising same Download PDFInfo
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- CN217274912U CN217274912U CN202123262905.0U CN202123262905U CN217274912U CN 217274912 U CN217274912 U CN 217274912U CN 202123262905 U CN202123262905 U CN 202123262905U CN 217274912 U CN217274912 U CN 217274912U
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- heat exchange
- pipe
- buried pipe
- heat
- precipitation well
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- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 title claims abstract description 13
- 238000001556 precipitation Methods 0.000 claims abstract description 29
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 210000001503 joint Anatomy 0.000 description 7
- 239000011083 cement mortar Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000005413 snowmelt Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 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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- Road Paving Structures (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The utility model belongs to the technical field of civil and architectural engineering, in particular to a buried pipe heat exchange system and an indoor heating and refrigerating system and a pavement deicing and cooling system containing the same, which comprises a heat exchange pipe, a rectangular reinforcing steel frame and a heat exchange unit formed by binding the heat exchange pipe on the rectangular reinforcing steel frame, the heat exchange unit is put into a waste precipitation well and backfilled by grouting to form a waste precipitation well type buried pipe heat exchanger, a plurality of waste precipitation well type buried pipe heat exchangers are connected in series by joints and are externally coated with a heat insulation sleeve to form the waste precipitation well type heat exchange system, the utility model inherits the advantages of energy underground structure, saving the drilling construction cost and the like, and the waste precipitation well is transformed to have new functions similar to the heat exchange of the buried pipe, changing waste into valuable, the waste into valuables, the heat exchange process can not cause threat to the waste precipitation well, the buried pipe heat exchange part of the soil source heat pump system is optimized from this, can be popularized in a large scale to realize the aim of green energy-saving development.
Description
Technical Field
The utility model belongs to the technical field of civil construction engineering, especially, relate to a buried pipe heat transfer system and contain its indoor heating refrigerating system, road surface deicing cooling system.
Background
The ground heat exchanger is divided into a horizontal heat exchanger, a vertical heat exchanger and energy underground structures such as energy piles, energy tunnels, energy underground continuous walls and the like which are in the rise in recent years. The horizontal and vertical buried pipe heat exchange is restricted due to large occupied area and high construction cost, the problem of occupied area does not exist in the energy underground structure, the construction cost of drilling and excavating is saved, but the heat exchange process of the energy underground structure can influence the structure, the safety of the structure can be threatened, and the research on the thermal response of the energy underground structure is insufficient, so that the horizontal and vertical buried pipe heat exchange cannot be popularized on a large scale.
The engineering dewatering well mainly refers to a pipe well for providing dewatering service for a foundation pit, and the service time limit of the pipe well is limited and is generally finished along with the end of main engineering or excavation engineering construction. The abandoned dewatering well must be sealed and filled in time, otherwise, potential safety hazards are caused, and the normal construction of other hidden projects is influenced.
Disclosure of Invention
The utility model aims at providing a buried pipe heat transfer system and contain its indoor heating refrigerating system, road surface deicing cooling system. When the engineering is scrapped and the precipitation well is sealed and filled, the U-shaped heat exchange tube, the spiral heat exchange tube or the heat exchange tubes in other shapes are vertically inserted through manpower or machinery, cement mortar and the like are used as backfill materials to carry out sealing and filling on the abandoned precipitation well, and waste of the scrapped precipitation well is utilized to form the precipitation well type buried tube heat exchanger.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a buried pipe heat exchange system based on a piping lane foundation pit abandoned precipitation well comprises a plurality of heat exchange units, wherein the tops of the plurality of heat exchange units are connected in series to form the buried pipe heat exchange system through horizontal heat exchange pipes and heat exchange pipe joints, each heat exchange unit is positioned in the abandoned precipitation well, each heat exchange unit comprises a rectangular steel bar frame and a heat exchange pipe bound on the rectangular steel bar frame, each heat exchange pipe can be in a U shape, a spiral shape or other shapes, the heat exchange units are arranged in the abandoned precipitation well before water in the abandoned precipitation well is pumped out in advance, cement mortar is backfilled into the abandoned precipitation well after the heat exchange pipes are arranged to form the buried pipe heat exchanger in a sealing and filling mode, the existing resources are not occupied, the advantages of drilling and excavating construction cost and the like are omitted, the abandoned precipitation well is reformed and provided with new functions similar to heat exchange of buried pipes, waste is changed into wealth, and the heat exchange process cannot threaten the abandoned precipitation well, the buried pipe heat exchange part of the ground source heat pump system is restricted to be optimized, and the ground source heat pump system can be popularized in a large scale to achieve the aim of green energy-saving development.
Furthermore, horizontal heat exchange tube and heat exchange tube connect the overcoat and be equipped with the insulation cover, the setting of insulation cover prevents the damage that the heat exchange tube direct exposure caused in the environment, and on the other hand can also play heat retaining effect.
Furthermore, the heat exchange pipe joint is provided with two connecting screw caps, the outer sides of two ends of the heat exchange pipe joint are both provided with threads, and the form is convenient for quick connection.
The utility model provides an indoor heating refrigerating system, includes buried pipe heat transfer system, still includes the heat pump set who is connected through inlet line and outlet pipeline with buried pipe heat transfer system, the indoor end system floor heating pipe who is connected with heat pump set or other terminal forms, the setting of this kind of form is connected to this system and can realize the refrigeration heat supply demand to the upper portion building with heat pump set.
The pavement deicing and cooling system comprises a buried pipe heat exchange system, a water tank connected with the buried pipe heat exchange system through an inlet pipeline and an outlet pipeline, and a pavement buried pipe heat exchange system respectively communicated with an inlet and an outlet at the other end of the water tank, wherein the pavement buried pipe heat exchange system comprises heat exchange pipelines buried end to end below a pavement in an embedded mode, and the system and the pavement buried pipe system are directly coupled through an intelligent water tank to realize the functions of pavement cooling in summer and pavement snow melting in winter.
The utility model has the advantages that: the utility model discloses energy underground structure does not account for the soil, save advantages such as drilling excavation construction cost, and reform transform the abandonment precipitation well and give the new function of similar buried pipe heat transfer, changing waste into valuables, and the heat transfer process can not cause the threat to the abandonment precipitation well, restriction soil source heat pump system's buried pipe heat transfer part obtains optimizing from this, can promote the target in order to realize green energy-conserving development on a large scale, can realize summer road surface cooling and winter road surface snow melt function with this system and road surface buried pipe system through intelligent water tank direct coupling, can realize the refrigeration heat supply demand to the superstructure with this system connection to heat pump set.
Drawings
Fig. 1 is a schematic structural diagram of the heat exchange tube of the present invention.
Fig. 2 is a schematic view of the middle rectangular reinforcing steel frame of the present invention.
Figure 3 is a sectional view of the well abandonment dewatering well type heat exchanger.
Figure 4 is a plan view of the well abandonment dewatering well type heat exchanger.
Fig. 5 is a schematic view of the middle joint of the present invention.
Fig. 6 is a schematic view of the middle thermal insulation cover of the utility model.
Fig. 7 is a schematic diagram of the series system of the heat exchangers in the present invention.
Fig. 8 is a schematic view of the application of the indoor cooling and heating of the present invention.
Fig. 9 is a schematic view of the utility model discloses well road surface cooling deicing is used.
Detailed Description
As shown in the figure, the buried pipe heat exchange system based on the abandoned precipitation well of the pipe gallery foundation pit comprises a plurality of heat exchange units, the tops of the heat exchange units are connected in series to form the buried pipe heat exchange system through horizontal heat exchange pipes and heat exchange pipe joints 5, heat insulation sleeves 6 are sleeved outside the horizontal heat exchange pipes and the heat exchange pipe joints 5, the heat insulation sleeves 6 are arranged to prevent the heat exchange pipes from being directly exposed to the environment to cause damage, on the other hand, the heat insulation effect can be achieved, two connecting nuts are arranged on the heat exchange pipe joints 5, the outer sides of the two ends of the heat exchange pipe joints 5 are both provided with threads, the form is convenient for quick connection, each heat exchange unit is positioned in the abandoned precipitation well 3, each heat exchange unit comprises a rectangular steel bar frame 2 and a heat exchange pipe 1 bound on the rectangular steel bar frame 2, the heat exchange pipe 1 can be U-shaped, spiral or other shapes, the heat exchange unit is arranged in the abandoned precipitation well 3 and needs to pre-draw out water in the abandoned precipitation well 3, after the heat exchange tube 1 is placed, cement mortar 4 is backfilled into the abandoned precipitation well 3 to be sealed and filled to form the buried tube heat exchanger, existing resources are not occupied, the advantages of drilling, excavating and construction cost and the like can be omitted, the abandoned precipitation well is transformed, a new function similar to buried tube heat exchange is given, waste is changed into wealth, the heat exchange process does not threaten the abandoned precipitation well, the buried tube heat exchange part of the soil source heat pump system is restricted to be optimized, and the buried tube heat exchange heat exchanger can be popularized on a large scale to achieve the aim of green and energy-saving development.
The utility model provides an indoor heating refrigerating system, includes buried pipe heat transfer system, still includes the heat pump set 7 that is connected through inlet line and outlet pipeline with buried pipe heat transfer system, 8 floor heating pipes of indoor end system or other terminal forms that are connected with heat pump set 7, and the setting of this kind of form is connected to this system and can realize the refrigeration heat supply demand to the upper portion building to heat pump set.
The utility model provides a road surface deicing cooling system, includes buried pipe heat transfer system, still includes the water tank 9 that is connected through import pipeline and outlet pipeline with buried pipe heat transfer system to and the road surface buried pipe heat transfer system 10 of respectively UNICOM with the import of the other end of water tank 9 and export, road surface buried pipe heat transfer system 10 is including burying the heat transfer pipeline of end to end under the road surface underground, can realize road surface cooling in summer and road surface snow melt function in winter through intelligent water tank direct coupling with this system and road surface buried pipe system.
A pipe burying heat exchange system construction method based on a pipe gallery foundation pit abandoned dewatering well comprises the following steps:
1. heat exchange tube manufacturing
(1) Determining the size: measuring the inner diameter D and the well depth H of a wellhead of the dewatering well, determining the short side b and the long side a of the rectangular reinforcing steel bar frame according to D and H, and determining the length L of the heat exchange tube according to H, wherein b is slightly smaller than D, a is slightly smaller than H, and L is slightly larger than 2H;
(2) welding a reinforcing steel bar frame: selecting two threaded steel bars with the length of a and the length of b and the diameter of about 12mm, and welding the two threaded steel bars into a rectangular steel bar frame to fix the heat exchange tube;
(3) binding the heat exchange tubes: the heat exchange tube is fixed on the rectangular reinforcing steel bar frame according to the U shape, and the heat exchange tube is bound and fixed on the thread reinforcing steel bar by the binding wire.
2. Construction of precipitation well type heat exchanger
(1) Water pumping: the dewatering well is filled with accumulated water, and the water in the dewatering well needs to be pumped out before discharging and grouting;
(2) the heat exchanger is placed downwards, and the U-shaped heat exchanger is placed through manpower or machinery;
(3) grouting: grouting from bottom to top using a pipe using a grout containing 95% cement and 5% bentonite as a backfill material.
3. Heat exchanger system series construction
The adjacent heat exchangers are connected through the horizontal heat exchange tubes and the joints, the heat insulation sleeves wrap the horizontal heat exchange tubes to achieve series operation of the heat exchangers, and the waste dewatering well type heat exchanger series system can be connected to a heat pump unit to achieve refrigerating and heating requirements inside a building or directly coupled with a road surface buried tube system to achieve the effects of cooling and deicing a road surface.
When the heat pump unit is used specifically, as shown in fig. 8, the waste dewatering well heat exchange system is connected to the heat pump unit and then coupled with the indoor tail end system, the engineering application is similar to the working principle of the soil source heat pump system, the waste dewatering well buried pipe heat exchanger and the soil source heat pump system buried pipe heat exchanger have the same functions, and are essentially optimized in two aspects of occupied area and drilling construction cost, so that the heat pump unit has great economic advantages; as shown in fig. 9, the heat exchange system of the abandoned dewatering well and the buried pipeline system on the road surface are respectively connected to the intelligent water tank. When high-temperature weather appears in summer, the overground circulation is started, namely water circulates between the pavement heat exchange system and the intelligent water tank under the driving of the water pump, the water temperature in the intelligent water tank will gradually rise, and when the set temperature T is reached 1 When the intelligent water tank is used, underground circulation is started, namely water circulates between the dewatering well heat exchange system and the intelligent water tank under the driving of the water pump, the water temperature in the intelligent water tank is gradually reduced and is reduced to a set temperature T 2 When the water temperature in the intelligent water tank reaches the set temperature T again, the underground circulation is stopped, and the overground circulation is operated only 1 When this happens, the underground cycle is again started. When ice and snow weather appears in winter, the underground circulation is started, the water temperature in the intelligent water tank gradually rises, and when the water temperature does not rise any more, the above-ground circulation is started to melt snow and remove ice. The intelligent water tank electric heating device can be opened according to the deicing requirement, and the water temperature is further increased to achieve rapidnessThe purpose of snow melting and deicing.
Claims (5)
1. The utility model provides a buried pipe heat transfer system based on piping lane foundation ditch abandonment precipitation well which characterized in that: the heat exchange unit comprises a plurality of heat exchange units, wherein the tops of the heat exchange units are connected in series to form a buried pipe heat exchange system through horizontal heat exchange pipes and heat exchange pipe joints, each heat exchange unit is positioned in a waste dewatering well, and each heat exchange unit comprises a rectangular steel bar frame and a heat exchange pipe bound on the rectangular steel bar frame.
2. The pipe burying heat exchange system based on pipe gallery foundation pit abandonment dewatering well of claim 1, characterized in that: and the horizontal heat exchange tube and the heat exchange tube joint are sleeved with heat insulation sleeves.
3. The pipe burying heat exchange system based on piping lane foundation pit abandonment precipitation well of claim 2, characterized in that: two connecting nuts are arranged on the heat exchange pipe joint, and threads are turned on the outer sides of two ends of the heat exchange pipe joint.
4. An indoor heating refrigerating system which is characterized in that: the buried pipe heat exchange system of any one of claims 1-3, further comprising a heat pump unit connected with the buried pipe heat exchange system through an inlet pipeline and an outlet pipeline, and a floor heating pipeline of an indoor tail end system connected with the heat pump unit.
5. The utility model provides a road surface deicing cooling system which characterized in that: the buried pipe heat exchange system of any one of claims 1 to 3, further comprising a water tank connected to the buried pipe heat exchange system through an inlet pipeline and an outlet pipeline, and a road surface buried pipe heat exchange system respectively communicated with an inlet and an outlet at the other end of the water tank, wherein the road surface buried pipe heat exchange system comprises heat exchange pipelines buried under the road surface in an end-to-end connection manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123262905.0U CN217274912U (en) | 2021-12-23 | 2021-12-23 | Pipe-buried heat exchange system and indoor heating and refrigerating system and pavement deicing and cooling system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123262905.0U CN217274912U (en) | 2021-12-23 | 2021-12-23 | Pipe-buried heat exchange system and indoor heating and refrigerating system and pavement deicing and cooling system comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217274912U true CN217274912U (en) | 2022-08-23 |
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ID=82889802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123262905.0U Expired - Fee Related CN217274912U (en) | 2021-12-23 | 2021-12-23 | Pipe-buried heat exchange system and indoor heating and refrigerating system and pavement deicing and cooling system comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217274912U (en) |
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2021
- 2021-12-23 CN CN202123262905.0U patent/CN217274912U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220823 |