CN209876514U - Coupling system of horizontal buried pipe in underground heat exchange system - Google Patents
Coupling system of horizontal buried pipe in underground heat exchange system Download PDFInfo
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- CN209876514U CN209876514U CN201920543498.4U CN201920543498U CN209876514U CN 209876514 U CN209876514 U CN 209876514U CN 201920543498 U CN201920543498 U CN 201920543498U CN 209876514 U CN209876514 U CN 209876514U
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Abstract
The utility model provides a coupling system of a horizontal buried pipe in an underground heat exchange system, which comprises a water collector and a water separator, wherein the water collector and the water separator are respectively provided with a plurality of interfaces, the interfaces are communicated with a first pipeline, and the first pipeline is vertically communicated with a second pipeline; the coupling system of the horizontal buried pipe ensures the construction quality of the horizontal buried pipe and the heat exchange effect of the horizontal buried pipe system through effective control of each technical link in the construction process of the horizontal buried pipe, thereby ensuring the effect of the whole buried pipe heat exchange system.
Description
Technical Field
The utility model relates to an energy-conserving construction technical field especially relates to a bury coupling system of horizontal buried pipe among heat transfer system.
Background
The ground source heat pump system is a heat pump technical mode which is rapidly raised in recent years, is greatly popularized by being listed in the renewable energy source category by the nation due to high-efficiency energy conservation and environmental protection, but has strict technical standards and requirements on the construction process due to the complexity of the system; the horizontal buried pipe construction is used as a key technical point in a buried pipe heat exchange system, and the energy saving performance and the running stability of the system can be ensured only when the requirements are met.
At the present stage, unreasonable pipeline laying exists in horizontal pipe laying construction, so that pipelines need to be laid again when water collectors or water distributors are increased or decreased; in addition, the randomness of trench excavation is strong, and the whole planning is lacked, so that the pipeline embedded into the trench is easy to loosen and damage;
the connection of water collector and water knockout drum and buried pipe lacks holistic planning, leads to whole system poor stability, and extravagant degree is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of above-mentioned prior art, provide a bury the coupled system of heat transfer system mesohorizontality pipe laying, reasonable in design, the stability of flexibility ratio height, operation is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a coupling system of a horizontal buried pipe in an underground heat exchange system, which comprises a water collector and a water separator, wherein the water collector and the water separator are respectively provided with a plurality of interfaces, the interfaces are communicated with a first pipeline, and the first pipeline is vertically communicated with a second pipeline;
the second pipeline comprises a first horizontal pipe and a second horizontal pipe, the first horizontal pipe is communicated with one end of the U-shaped pipe, and the second horizontal pipe is communicated with the other end of the U-shaped pipe.
Furthermore, a plurality of U-shaped pipes are communicated with the first horizontal pipe and the second horizontal pipe.
Further, the U-shaped pipe comprises a U-shaped end part, a first straight pipe and a second straight pipe; the U-shaped end part is a U-shaped bent fitting, one end of the bent fitting is communicated with the first straight pipe, the other end of the bent fitting is communicated with the second straight pipe, and a through hole is formed in a U-shaped area of the bent fitting.
Further, the first straight pipe is communicated with the first horizontal pipe or the second horizontal pipe through an elbow, and the second straight pipe is communicated with the second horizontal pipe or the first horizontal pipe through a three-way pipe.
Further, a plurality of the U-shaped pipes are buried in the groove.
Further, the groove is in an isosceles trapezoid shape, a fine sand layer is laid at the bottom of the groove, the U-shaped pipe is placed on the fine sand layer, yellow sand and silt sand are filled around the U-shaped pipe, and the first horizontal pipe and the second horizontal pipe are installed on the horizontal plane of the groove.
Furthermore, the water collector and the water separator are both firmly connected with the ground through piles.
The utility model has the advantages that: the coupling system of the horizontal buried pipe ensures the construction quality of the horizontal buried pipe and the heat exchange effect of the horizontal buried pipe system by effectively controlling each technical link in the construction process of the horizontal buried pipe, thereby ensuring the effect of the whole underground buried pipe heat exchange system;
1) the first pipeline and the second pipeline are combined and communicated with the U-shaped pipe, so that the design is reasonable, the trend of the pipeline is clear, and later-period maintenance is facilitated;
2) the U-shaped pipe is communicated with the second pipeline through the elbow and the three-way pipe, and is assembled, so that the disassembly and the connection are convenient, the assembly is convenient, and the replacement of parts is convenient;
3) the U-shaped end part of the U-shaped pipe is a U-shaped bent fitting, and a through hole is arranged in the U-shaped area of the bent fitting and connected with the through hole in the U-shaped pipe, so that the plurality of U-shaped pipes can be kept firm and stable;
4) the slot is isosceles trapezoid, makes the stable in structure height of slot, can effectually hold and protect the pipeline.
Drawings
Fig. 1 is a schematic view of an installation of a U-shaped pipe of a coupling system of a horizontal buried pipe in an underground heat exchange system according to the present invention;
FIG. 2 is one of the schematic views of the installation of the sump;
FIG. 3 is one of the schematic installation views of the water knockout vessel;
FIG. 4 is a second schematic view of the installation of the water collector;
FIG. 5 is a second schematic view of the installation of the water separator;
fig. 6 is a schematic structural diagram of a trench.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A coupling system of a horizontal buried pipe in an underground heat exchange system comprises a water collector 1 and a water separator 2, wherein a plurality of connectors 101 are arranged on the water collector 1 and the water separator 2, the connectors 101 are communicated with a first pipeline 201, and the first pipeline 201 is vertically communicated with a second pipeline 202;
the second pipeline 202 comprises a first horizontal pipe 301 and a second horizontal pipe 302, the first horizontal pipe 301 is communicated with one end of the U-shaped pipe 4, and the second horizontal pipe 302 is communicated with the other end of the U-shaped pipe 4.
The first horizontal pipe 301 and the second horizontal pipe 302 are communicated with a plurality of U-shaped pipes 4.
Wherein the water collector 1 is capable of collecting a plurality of branch pipes;
the water separator 2 is capable of branching a main pipe into a plurality of branch pipes.
The first pipeline 201 is perpendicular to the water collector 1 or the water separator 2, the first pipeline 201 is perpendicular to the second pipeline 202, and the first pipeline 201 penetrates through the first horizontal pipe 301 and the second horizontal pipe 302; first horizontal pipe 301 and second horizontal pipe 302 are horizontally disposed.
The U-shaped pipe 4 comprises a U-shaped end part, a first straight pipe 401 and a second straight pipe 402; the U-shaped end part is a U-shaped bent fitting 5, one end of the bent fitting 5 is communicated with the first straight pipe 401, the other end of the bent fitting 5 is communicated with the second straight pipe 402, and a through hole 501 is formed in a U-shaped area of the bent fitting 5.
The first straight pipe 401 and the second straight pipe 402 are respectively connected with two ends of the U-shaped end portion in a penetrating manner, so that a U shape is formed.
The U-shaped end part is provided with a bent fitting 5, namely two ends of the bent fitting 5 are respectively communicated and connected with a first straight pipe 401 and a second straight pipe 402;
the connecting through hole 501 can fix a plurality of U-shaped tubes 4, and stability is high.
The first straight pipe 401 is communicated with the first horizontal pipe 301 or the second horizontal pipe 302 through an elbow 6, and the second straight pipe 402 is communicated with the second horizontal pipe 302 or the first horizontal pipe 301 through a three-way pipe 7.
The elbow 6 and the three-way pipe 7 are adopted to communicate the first straight pipe 401 and the second straight pipe 402 with the first horizontal pipe 301 and the second horizontal pipe 302 respectively, and the first straight pipe and the second straight pipe are connected through a plurality of component assemblies, so that the horizontal buried pipe is more flexible to install, and the systematization degree is high.
A plurality of the U-shaped tubes 4 are buried in the trench 8.
The groove 8 is in an isosceles trapezoid shape, a fine sand layer 801 is laid at the bottom of the groove 8, the U-shaped pipe 4 is placed on the fine sand layer 801, yellow sand and silt sand are filled around the U-shaped pipe 4, and the first horizontal pipe 301 and the second horizontal pipe 302 are installed on the horizontal plane of the groove 8.
The fine sand layer 801 can effectively protect the U-shaped pipe 4 and effectively prevent stones in the groove 8 from damaging the U-shaped pipe 4.
The water collector 1 and the water separator 2 are both firmly connected with the ground through a pile 9.
That is, the water collector 1 and the water separator 2 are spaced from the ground and firmly arranged, so that a space is provided for the first pipeline 201, and the layout of the pipeline is more reasonable.
The horizontal buried pipe construction conditions of the buried pipe heat exchange system are as follows: the vertical buried pipe can be constructed after being tested and washed to be intact and qualified after inspection and acceptance.
The horizontal pipe laying construction process flow comprises the following steps: excavating a horizontal ditch → paving a horizontal pipe → performing a pressure test → backfilling earthwork.
Excavating a groove:
and after the foundation pit is excavated to a specified elevation, immediately constructing a horizontal pipeline, excavating a horizontal groove on a relatively flat excavation surface by constructors of the same party, wherein the width of the groove is determined according to the number of horizontal pipes, and the depth is preferably 10cm after the horizontal pipes are paved.
Laying a horizontal pipe:
after the vertical buried pipes are finished, connecting the horizontal pipes by adopting a plastic pipe hot melting device to connect the vertical buried pipes through pipe fittings to form a water supply and return loop; the vertical buried pipe connects two water supply pipes of the vertically buried double U pipe into a main water supply pipe through an elbow fitting and a reducing fitting (a three-way fitting), connects two water return pipes of the vertically buried double U pipe into a main water return pipe, and connects the main water return pipe and the water supply return pipe with the horizontal pipe.
During construction, pipeline connection is carried out according to the construction technical specification standard of a manufacturer, and the horizontal water collecting pipe and the water distributing pipe are respectively installed; the laying direction of the horizontal pipes is reasonable, the sealing of the pipe openings is tight, and the protection measures of finished products are in place; the slope of the water pipe is applied to the water collecting and distributing device of the soil heat exchanger, and the slope is strictly forbidden; the water pipe is strictly prevented from winding up and down when being laid, so that the pipeline is aerated; the water pipe should be meandered and laid in the horizontal direction, and a certain expansion and contraction space is reserved, so that the influence on the service life of the pipeline due to expansion with heat and contraction with cold is avoided.
And (3) pressure test:
and after all the interfaces are welded, performing a hydrostatic test on the whole buried pipe system. Stabilizing pressure for 15min under test pressure, without leakage and pressure drop; and stabilizing the pressure at the working pressure for at least 24h, wherein the pressure drop after the pressure stabilization is not more than 3 percent, and the product is qualified.
Backfilling earthwork:
before laying the horizontal pipe, the bottom of the groove is coated with fine sand with the thickness of 200mm, and after laying the buried pipe, the fine sand around the horizontal pipe is ensured to be dense by about 15cm above the pipeline. And protecting and fixing the horizontal buried pipeline.
And backfilling can be carried out after the pressure test of the system is qualified. Firstly, the space and the flatness of the horizontal pipes are adjusted. And after the connection of the horizontal pipes is finished, backfilling the upper part with original soil. And (5) informing the construction contractor to carry out the construction of the next concrete cushion layer and bearing layer. The horizontal pipe is installed with homogeneous stuffing without stone and soil, and the backfill should contact closely with the pipeline without damaging the pipeline.
And after the connection of each subarea system is finished, the system is integrally connected at the water distributing and collecting device according to the construction drawing, and the identification is made for the pipeline of each subarea so as to be checked. The water collecting and distributing device is positioned and arranged according to a construction drawing, and a thermometer interface, a pressure gauge interface and an exhaust valve interface are reserved.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a horizontal coupling system who buries pipe in ground heat transfer system which characterized in that: the water distributor comprises a water collector (1) and a water distributor (2), wherein a plurality of connectors (101) are arranged on the water collector (1) and the water distributor (2), the connectors (101) are communicated with a first pipeline (201), and the first pipeline (201) is vertically communicated with a second pipeline (202);
the second pipeline (202) comprises a first horizontal pipe (301) and a second horizontal pipe (302), the first horizontal pipe (301) is communicated with one end of the U-shaped pipe (4), and the second horizontal pipe (302) is communicated with the other end of the U-shaped pipe (4).
2. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 1, characterized in that: the first horizontal pipe (301) and the second horizontal pipe (302) are communicated with a plurality of U-shaped pipes (4).
3. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 2, characterized in that: the U-shaped pipe (4) comprises a U-shaped end part, a first straight pipe (401) and a second straight pipe (402); the U-shaped end part is a U-shaped bent fitting (5), one end of the bent fitting (5) is communicated with the first straight pipe (401), the other end of the bent fitting (5) is communicated with the second straight pipe (402), and a through hole (501) is formed in a U-shaped area of the bent fitting (5).
4. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 3, wherein: the first straight pipe (401) is communicated with the first horizontal pipe (301) or the second horizontal pipe (302) through an elbow (6), and the second straight pipe (402) is communicated with the second horizontal pipe (302) or the first horizontal pipe (301) through a three-way pipe (7).
5. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 1, characterized in that: a plurality of U-shaped pipes (4) are buried in the groove (8).
6. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 5, wherein: the groove (8) is in an isosceles trapezoid shape, a fine sand layer (801) is laid at the bottom of the groove (8), the U-shaped pipe (4) is placed on the fine sand layer (801), yellow sand and silt sand are filled around the U-shaped pipe (4), and the first horizontal pipe (301) and the second horizontal pipe (302) are installed on the horizontal plane of the groove (8).
7. The coupling system of the horizontal buried pipe in the underground heat exchange system according to claim 1, characterized in that: the water collector (1) and the water distributor (2) are both firmly connected with the ground through pile columns (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543498.4U CN209876514U (en) | 2019-04-19 | 2019-04-19 | Coupling system of horizontal buried pipe in underground heat exchange system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920543498.4U CN209876514U (en) | 2019-04-19 | 2019-04-19 | Coupling system of horizontal buried pipe in underground heat exchange system |
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| CN209876514U true CN209876514U (en) | 2019-12-31 |
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| CN201920543498.4U Active CN209876514U (en) | 2019-04-19 | 2019-04-19 | Coupling system of horizontal buried pipe in underground heat exchange system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833486A (en) * | 2021-01-21 | 2021-05-25 | 甘肃第三建设集团有限公司 | Shallow geothermal exchange system in cold region and construction method thereof |
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2019
- 2019-04-19 CN CN201920543498.4U patent/CN209876514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833486A (en) * | 2021-01-21 | 2021-05-25 | 甘肃第三建设集团有限公司 | Shallow geothermal exchange system in cold region and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A coupling system of horizontal buried pipe in buried heat exchange system Effective date of registration: 20210720 Granted publication date: 20191231 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN ZHUOCHENG ENERGY-SAVING TECH Co.,Ltd. Registration number: Y2021420000067 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230616 Granted publication date: 20191231 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN ZHUOCHENG ENERGY-SAVING TECH CO.,LTD. Registration number: Y2021420000067 |