CN110806032A - Method for installing and drawing lower pipe of ground source heat pump pipe - Google Patents

Method for installing and drawing lower pipe of ground source heat pump pipe Download PDF

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Publication number
CN110806032A
CN110806032A CN201911032821.2A CN201911032821A CN110806032A CN 110806032 A CN110806032 A CN 110806032A CN 201911032821 A CN201911032821 A CN 201911032821A CN 110806032 A CN110806032 A CN 110806032A
Authority
CN
China
Prior art keywords
pipe
ground source
heat pump
fixing
source heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911032821.2A
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Chinese (zh)
Inventor
刘彦杰
骆琼
刘兴非
方志岗
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Chunyi Environmental Technology Co Ltd
Original Assignee
Chunyi Environmental Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chunyi Environmental Technology Co Ltd filed Critical Chunyi Environmental Technology Co Ltd
Priority to CN201911032821.2A priority Critical patent/CN110806032A/en
Publication of CN110806032A publication Critical patent/CN110806032A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24TGEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00Geothermal collectors
    • F24T10/10Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/15Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubes; using tubes assembled with connectors or with return headers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24TGEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T50/00Geothermal systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

Abstract

The invention discloses a method for installing and drawing a lower pipe of a ground source heat pump pipe, which comprises the following steps: preparing two supporting rods with the same size, and welding a plurality of fixing rings between the two supporting rods to form a fixing support; digging a plurality of foundation pits which are distributed at equal intervals according to the required size, and respectively and correspondingly placing a plurality of fixing supports in the foundation pits; fixedly connecting the parts of the support rods of the fixing supports in the two adjacent foundation pits, which extend out of the foundation pits, together through reinforcing rods; the heat exchange tubes are sequentially inserted into the plurality of fixing rings and connected with the upper water inlet pipe and the water outlet pipe; and covering a sand layer above the foundation pit to finish the installation work. The invention can ensure that the installation of the ground source heat pump pipe is more stable, and the integral structural strength is improved.

Description

Method for installing and drawing lower pipe of ground source heat pump pipe
Technical Field
The invention belongs to the technical field of ground source heat pumps, and particularly relates to a method for installing and towing a lower pipe of a ground source heat pump pipe.
Background
The ground source heat pump is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy into shallow land energy, usually rock and soil mass, underground water or surface water are used as low-temperature heat sources, a ground source heat pump unit does not consume water or pollute water when running, a boiler, a cooling tower and a field for stacking fuel wastes are not needed, the environmental protection benefit is remarkable, the ground source heat pump system is divided into a ground source heat pump system with buried pipes, a ground source heat pump system with underground water and a ground source heat pump system with surface water according to different forms of ground heat energy exchange systems, the ground source heat pump system is a ground source heat pump system with buried pipes at present, but the bearing capacity of a foundation can be damaged when the buried pipes of the system are installed, and the buried pipes can be damaged due to settlement of the foundation.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a method for installing and drawing a lower pipe of a ground source heat pump pipe, which can enable the installation of the ground source heat pump pipe to be more stable and improve the overall structural strength.
In order to achieve the above object, the present invention adopts the following technical solutions:
the method for installing and drawing the lower pipe of the ground source heat pump pipe comprises the following steps:
s1, preparing two supporting rods with the same size, and welding a plurality of fixing rings between the two supporting rods to form a fixing support;
s2, digging a plurality of foundation pits which are distributed at equal intervals according to the required size, respectively and correspondingly placing a plurality of fixing supports in the foundation pits, and knocking the bottom ends of two support rods of the fixing supports into soil inserted below the foundation pits;
s3, fixedly connecting the parts of the support rods of the fixing supports in the two adjacent foundation pits, which extend out of the foundation pits, together through reinforcing rods;
s4, inserting the heat exchange tubes into the plurality of fixing rings in sequence, placing the heat exchange tubes in the foundation pit, and connecting the inlet ends and the outlet ends of the heat exchange tubes with a water inlet pipe and a water outlet pipe respectively;
and S5, filling sandy soil in the foundation pit, compacting, and covering a layer of sandy soil layer above the foundation pit to finish the installation work.
Preferably, the heat exchange tube is a U-shaped tube, and the outer side wall of the heat exchange tube is coated with an anticorrosive paint.
Still preferably, the diameter of the fixing ring corresponds to the width of the heat exchange pipe.
More preferably, the height of the heat exchange pipe is smaller than the depth of the foundation pit.
Further preferably, the thickness of the sand layer above the foundation pit is 0.4-0.5 m.
The invention has the advantages that: the method for installing and pulling the lower pipe of the ground source heat pump pipe is simple to operate, safe and rapid, the installation of the ground source heat pump pipe can be more stable by placing the fixing support in the foundation pit, the integral structural strength is improved, and the problem that the ground subsides to damage the ground source heat pump pipe is avoided; the parts of the supporting rods of the fixing supports extending out of the foundation pit in the two adjacent foundation pits are fixedly connected together through the reinforcing rods, and the bottoms of the two supporting rods of the fixing supports are knocked into soil inserted into the foundation pit, so that the fixing supports can be installed more stably, and a good supporting effect is achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The meaning of the reference symbols in the figures: 1. bracing piece, 2, retainer plate, 3, foundation ditch, 4, stiffener, 5, heat exchange tube, 6, inlet tube, 7, outlet pipe.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Referring to fig. 1, the method for installing and pulling the lower pipe of the ground source heat pump pipe comprises the following specific steps:
s1, preparing two supporting rods 1 with the same size, and welding a plurality of fixing rings 2 between the two supporting rods 1 to form a fixing support;
s2, digging a plurality of foundation pits 3 distributed at equal intervals according to the required size, respectively and correspondingly placing a plurality of fixing supports in the foundation pits 3, and knocking the bottom ends of two support rods 1 of the fixing supports into the soil inserted below the foundation pits 3;
s3, fixedly connecting the parts of the support rods 1 of the fixing supports in the two adjacent foundation pits 3, which extend out of the foundation pits 3, together through reinforcing rods 4;
s4, inserting the heat exchange tubes 5 into the plurality of fixing rings 2 in sequence, placing the heat exchange tubes in the foundation pit 3, and connecting the inlet ends and the outlet ends of the heat exchange tubes 5 with the water inlet tube 6 and the water outlet tube 7 respectively;
s5, filling sandy soil in the foundation pit 3, compacting, and covering a sandy soil layer with the thickness of 0.4-0.5 m above the foundation pit 3 to finish the installation work.
The heat exchange tube 5 is a U-shaped tube, the outer side wall of the heat exchange tube is coated with anticorrosive paint, the diameter of the fixing ring 2 corresponds to the width of the heat exchange tube 5, and the height of the heat exchange tube 5 is smaller than the depth of the foundation pit 3.
The method for installing and pulling the lower pipe of the ground source heat pump pipe is simple to operate, safe and rapid, the installation of the ground source heat pump pipe can be more stable by placing the fixing support in the foundation pit 3, the integral structural strength is improved, and the problem that the ground subsides to damage the ground source heat pump pipe is avoided; the part of the supporting rod 1 of the fixing support in two adjacent foundation pits 3 extending out of the foundation pit 3 is fixedly connected together through the reinforcing rod 4, and the bottom ends of the two supporting rods 1 of the fixing support are knocked into soil inserted into the foundation pit 3, so that the fixing support can be installed more stably, and a good supporting effect is achieved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims (5)

1. The method for installing and drawing the lower pipe of the ground source heat pump pipe is characterized by comprising the following specific steps of:
s1, preparing two supporting rods (1) with the same size, and welding a plurality of fixing rings (2) between the two supporting rods (1) to form a fixing support;
s2, digging a plurality of foundation pits (3) distributed at equal intervals according to the required size, respectively and correspondingly placing a plurality of fixing supports in the foundation pits (3), and knocking the bottom ends of two support rods (1) of the fixing supports into the soil inserted below the foundation pits (3);
s3, fixedly connecting the parts of the support rods (1) of the fixing supports in the two adjacent foundation pits (3) extending out of the foundation pits (3) together through reinforcing rods (4);
s4, inserting the heat exchange tubes (5) into the plurality of fixing rings (2) in sequence, placing the heat exchange tubes in the foundation pit (3), and connecting the inlet ends and the outlet ends of the heat exchange tubes (5) with the water inlet tube (6) and the water outlet tube (7) respectively;
s5, filling sandy soil in the foundation pit (3), compacting, and covering a layer of sandy soil layer above the foundation pit (3) to finish the installation work.
2. The method for installing and pulling the lower pipe of the ground source heat pump pipe as claimed in claim 1, wherein the heat exchange pipe (5) is a U-shaped pipe, and the outer side wall of the U-shaped pipe is coated with an anticorrosive paint.
3. The ground source heat pump pipe lower pipe installation and traction method as claimed in claim 2, characterized in that the diameter of the fixing ring (2) corresponds to the width of the heat exchange pipe (5).
4. The ground source heat pump pipe lower pipe installation and traction method as claimed in claim 1, characterized in that the height of the heat exchange pipe (5) is less than the depth of the foundation pit (3).
5. The ground source heat pump pipe lower pipe installation and traction method as claimed in claim 1, wherein the thickness of the sand layer above the foundation pit (3) is 0.4-0.5 m.
CN201911032821.2A 2019-10-28 2019-10-28 Method for installing and drawing lower pipe of ground source heat pump pipe Pending CN110806032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911032821.2A CN110806032A (en) 2019-10-28 2019-10-28 Method for installing and drawing lower pipe of ground source heat pump pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911032821.2A CN110806032A (en) 2019-10-28 2019-10-28 Method for installing and drawing lower pipe of ground source heat pump pipe

Publications (1)

Publication Number Publication Date
CN110806032A true CN110806032A (en) 2020-02-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911032821.2A Pending CN110806032A (en) 2019-10-28 2019-10-28 Method for installing and drawing lower pipe of ground source heat pump pipe

Country Status (1)

Country Link
CN (1) CN110806032A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202730750U (en) * 2012-06-20 2013-02-13 杭州市城建开发集团有限公司 Ground-source heat pump pile buried pipe
CN102937211A (en) * 2012-11-28 2013-02-20 中铁二局股份有限公司 Vertical spiral-type buried pipe construction method for GRHP (ground source heat pump)
CN203533977U (en) * 2013-08-21 2014-04-09 浙江陆特能源科技有限公司 Pile foundation buried pipe heat exchange mechanism of ground source side of ground-source heat pump system
CN105040679A (en) * 2015-08-12 2015-11-11 河海大学 Heat transfer pipe embedded in prefabricated pipe piles and embedding method of heat transfer pipe
CN106369878A (en) * 2016-08-31 2017-02-01 中国建筑科学研究院 Ground buried pipe system of ground source heat pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202730750U (en) * 2012-06-20 2013-02-13 杭州市城建开发集团有限公司 Ground-source heat pump pile buried pipe
CN102937211A (en) * 2012-11-28 2013-02-20 中铁二局股份有限公司 Vertical spiral-type buried pipe construction method for GRHP (ground source heat pump)
CN203533977U (en) * 2013-08-21 2014-04-09 浙江陆特能源科技有限公司 Pile foundation buried pipe heat exchange mechanism of ground source side of ground-source heat pump system
CN105040679A (en) * 2015-08-12 2015-11-11 河海大学 Heat transfer pipe embedded in prefabricated pipe piles and embedding method of heat transfer pipe
CN106369878A (en) * 2016-08-31 2017-02-01 中国建筑科学研究院 Ground buried pipe system of ground source heat pump

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