CN202304101U - Heat exchanger with three groups of U-shaped ground buried pipes - Google Patents
Heat exchanger with three groups of U-shaped ground buried pipes Download PDFInfo
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- CN202304101U CN202304101U CN2011203428681U CN201120342868U CN202304101U CN 202304101 U CN202304101 U CN 202304101U CN 2011203428681 U CN2011203428681 U CN 2011203428681U CN 201120342868 U CN201120342868 U CN 201120342868U CN 202304101 U CN202304101 U CN 202304101U
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
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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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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchanger with three groups of U-shaped ground buried pipes. The heat exchanger comprises inlet and outlet water collecting and dividing pipes, a ground buried pipe well hole or a filling pile and a heat exchange pipe, wherein the heat exchange pipe comprises three groups of U-shaped pipes vertically buried in the ground buried pipe well hole or the filling pile, one ends of the first group of U-shaped pipes are connected with the inlet water collecting and dividing pipes, the second group of U-shaped pipes and the third group of U-shaped pipes are connected in parallel and then form a parallel connection double-U-pipe group, two ends of the parallel connection double-U-pipe group are respectively connected with the other ends of the first group of U-shaped pipes and the outlet water collecting and dividing pipes. The heat exchanger with the three groups of U-shaped ground buried pipes has the characteristics that the heat exchange effect in the unit well hole length is good, the cost is lower, the construction and the installation are simple and convenient and are easy to implement, the ground buried well hole use ground is saved, and the applicability is wider.
Description
Technical field
The utility model relates to a kind of earth-source hot-pump system, is specifically related in a kind of vertical borehole that is embedded under architectural engineering periphery or the base plate or the 3U ground heat exchanger in the bored concrete pile.
Background technology
Earth source heat pump is to utilize shallow-layer ground can carry out the air-conditioning equipment of the high-efficient energy-saving environment friendly of heating and refrigerating; It is a heat storage and cold accumulation ability of utilizing underground huge; Around the building or underfloor pipe-line system, adopt heat pump principle, through buried through a spot of high-order electric energy input; Realize that Lowlevel thermal energy shifts to high level heat, make underground rock soil mass and building accomplish a kind of technology of heat exchange.Geothermal heat pump air-conditioning system mainly is divided into three parts: outdoor ground pipe laying heat-exchange system, heat pump set system and indoor heating air conditioning terminal system.Through outdoor ground pipe laying heat-exchange system, in winter, source pump absorbs heat from underground rock soil mass, heats to building; In summer, source pump is discharged into the underground rock soil mass from indoor absorption heat and transfer, realizes the building air-conditioning refrigeration.The more traditional air conditioning and heating system of earth source heat pump is energy savings significantly, and the performance and the cost of ground pipe laying heat-exchange system, for the entirely energy-saving effect and the economic benefit of source heat pump air-conditioning system, critical influence is arranged.
Traditional ground pipe laying heat-exchange system mainly adopts horizontal coiled pipe heat exchanger and perpendicularly buried pipe heat exchanger.The horizontal coiled pipe heat exchanger is to ditch on the ground to imbed heat exchanger tube, and advantage is that construction is more convenient, and shortcoming is that floor space is bigger.Another kind of perpendicularly buried pipe is to imbed heat exchanger tube at surface drilling, and advantage is that floor space is little, and shortcoming is that difficulty of construction is bigger.Therefore perpendicularly buried pipe can be more suitable for the national conditions of China than a lot of lands used of horizontal coiled pipe saving.And in the structure of existing perpendicularly buried pipe heat exchanger, usually adopt single U ground pipe laying and double-H groove weld ground pipe laying.Single U pipe heat exchange process is short, though double-H groove weld pipe heat exchange process doubles than single U pipe heat exchange process, the downstream heat exchange area is little, and flow resistance is big.Therefore how to make the heat exchange effect of perpendicularly buried pipe formula heat exchanger reach best, save the area more, convenient construction, practice thrift the problem that cost has become the insider to concentrate on studies more.
The utility model content
The purpose of the utility model is in order to overcome the deficiency of prior art, a kind of 3U ground heat exchanger to be provided, and it has unit length of hole good effect of heat exchange, cost is lower, construction and installation are simple and easy to do, pipe laying wellhole land used frugally, the characteristics that applicability is wider.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of 3U ground heat exchanger, comprise import and export collection distributive pipe, pipe embedded well hole or bored concrete pile and heat exchanger tube.Said heat exchanger tube comprises three groups of U-shaped pipes that are embedded vertically in pipe embedded well hole, said ground or the bored concrete pile; One end of said first group of U-shaped pipe is connected with said inlet header distributive pipe; Constitute parallelly connected double-H groove weld pipe group after said second group of U-shaped pipe and the 3rd group of U-shaped pipe are connected in parallel, the two ends of this parallel connection double-H groove weld pipe group are connected with the other end and the said outlet collection distributive pipe of said first group of U-shaped pipe respectively.
Above-mentioned 3U ground heat exchanger; Wherein, The height of said three groups of U-shaped pipes all equates, the horizontal interval distance of two side branch of said three groups of U-shaped pipes also equates, the caliber of said second group of U-shaped pipe and the 3rd group of U-shaped pipe equates and less than the caliber of said first group of U-shaped pipe.
Above-mentioned 3U ground heat exchanger, wherein, the parallel and spacing distance of said three groups of U-shaped pipes equally is arranged in pipe embedded well hole, said ground or the bored concrete pile.
Above-mentioned 3U ground heat exchanger, wherein, said three groups of U-shaped calibers are in being embedded in pipe embedded well hole, said ground or bored concrete pile in uniform way.
Above-mentioned 3U ground heat exchanger; Wherein, Said first group of U-shaped pipe is embedded in the semicircle side in pipe embedded well hole, said ground or the bored concrete pile, is embedded in to said second group of U-shaped pipe and the 3rd group of U-shaped pipe square crossing the another side semicircle side in pipe embedded well hole, said ground or the bored concrete pile.
Above-mentioned 3U ground heat exchanger, wherein, the caliber of said import and export collection distributive pipe equates with the caliber of said first group of U-shaped pipe.
Above-mentioned 3U ground heat exchanger, wherein, said heat exchanger tube is embedded in pipe embedded well hole, said ground or the bored concrete pile through the backfill slurry.
The technical scheme of the 3U ground heat exchanger of the utility model; Adopt a single U pipe and the parallelly connected double-H groove weld pipe of heat exchanger tube to be connected in series; After making heat transferring medium get into the heat exchange of a single U type pipe; Get into the heat exchange of one group of parallel connection double-H groove weld pipe again, compare, have following advantage with traditional perpendicularly buried pipe formula heat exchanger or horizontal coiled pipe formula heat exchanger:
1. heat exchange better effects if: heat exchange area increases about 200% than single U pipe, increases about 50% than double-H groove weld pipe; Because strengthen with the heat exchange area of rock soil mass, the flow under the design current velocity also increases more than 50%, the heat exchange better effects if can be given full play to the heat diffusion capabilities of underground rock soil mass;
2. heat increases: the heat of the single hole (well) of the 3U ground heat exchanger of the utility model has increased by 96% and 35% than single U pipe and double-H groove weld heat exchange of heat pipe single hole (well) heat respectively.
3. saving initial cost: because drilling cost is the prime cost of ground heat exchanger; The 3U ground heat exchanger of the utility model is because the increase of single hole (well) heat; Under same total heat exchange load; Quantity that can corresponding minimizing hole (well) is practiced thrift drilling cost, thus the initial cost of pipe laying heat-exchange system significantly frugally;
4. heat transfer temperature difference is big, practices thrift the water pump electric energy: under same total heat exchange load, big heat transfer temperature difference can reduce flow system flow, thereby practices thrift the water pump electric energy; The heat exchange area of the heat exchange process of lengthening and increasing can make the heat transferring medium in the heat exchanger tube obtain than the single U pipe and the bigger import and export temperature difference of double-H groove weld heat exchange of heat pipe simultaneously.
Description of drawings
Fig. 1 is the structural representation of the 3U ground heat exchanger of the utility model;
Fig. 2 be among Fig. 1 A-A to the sectional view of first kind of embodiment;
Fig. 3 be among Fig. 1 A-A to the sectional view of second kind of embodiment;
Fig. 4 be among Fig. 1 A-A to the sectional view of the third embodiment;
Fig. 5 be among Fig. 1 A-A to the sectional view of the 4th kind of embodiment;
Fig. 6 be among Fig. 1 A-A to the sectional view of the 5th kind of embodiment.
The specific embodiment
Below through concrete embodiment and combine accompanying drawing that the technical scheme of the utility model is elaborated:
See also Fig. 1, a kind of 3U ground heat exchanger of the utility model, comprise two collection distributive pipe 11,12 heat exchanger tubes, pipe embedded well hole or bored concrete pile 3 and backfill slurry 4, wherein,
Import and export collection distributive pipe 11,12 is horizontally set on the face of land, is used for being connected with source pump;
Under the face of land that vertically is opened in architectural engineering periphery or base plate of pipe embedded well hole, ground or bored concrete pile 3;
Heat exchanger tube comprises three groups of U-shaped pipes 21,22,23, and these three groups of U-shaped pipes 21,22,23 all adopt high density polyethylene pipe, and their height equates, and the horizontal interval of two arms of three groups of U-shaped pipes 21,22,23 distance also equates; The caliber of second group of U-shaped pipe 22 and the 3rd group of U-shaped pipe 23 equates that the caliber of first group of U-shaped pipe 21 is greater than the caliber of second group of U-shaped pipe 22 and the 3rd group of U-shaped pipe 23;
The caliber of import and export collection distributive pipe 11,12 equates with the caliber of first group of U-shaped pipe 21.
Three groups of U-shaped pipes 21,22,23 of heat exchanger tube are embedded vertically in pipe embedded well hole, ground or the bored concrete pile 3 through backfill slurry 4; And the two ends of three groups of U-shaped pipes 21,22,23 all exceed the face of land; Wherein, One end of first group of U-shaped pipe 21 passes through together, and footpath elbow 13 is connected with inlet header distributive pipe 11; The two ends of second group of U-shaped pipe 22 and the 3rd group of U-shaped pipe 23 constitute parallelly connected double-H groove weld pipe group after being connected in parallel through tube connector respectively, and an end of this parallel connection double-H groove weld pipe group is connected with the other end of first group of U-shaped pipe 21 through a tube connector and a reducing tee 14, and the other end of this parallel connection double-H groove weld pipe group collects distributive pipe 12 through another reducing tee 15 and outlet and is connected.
A kind of 3U ground heat exchanger of the utility model is when work; Heat transferring medium gets into first group of U-shaped pipe 21 by inlet header distributive pipe 11 earlier; Heat transferring medium and on every side the temperature difference between the rock soil mass descend, get into the heat exchange of one group of parallel connection double-H groove weld pipe again, heat exchange process and strengthened heat exchange area has extended; Can remedy fluid after the heat exchange of single U pipe with the influence that the exchange capability of heat that causes descends that descends of the rock soil mass temperature difference; Therefore strengthened the heat exchange of intraductal heat exchange medium and peripheral rock soil mass, strengthened the ground heat exchanger fluid inlet and outlet temperature difference, and flow resistance has reduced.
See also Fig. 2 again, in one embodiment, three groups of U-shaped pipes 21,22,23 equally are arranged in parallel in pipe embedded well hole, ground or the bored concrete pile 3 for spacing distance.
See also Fig. 3 again; In second embodiment; Three groups of U-shaped pipes 21,22,23 equally are arranged in parallel in pipe embedded well hole, ground or the bored concrete pile 3 for spacing distance; Wherein a side branch of second group of U-shaped pipe 22 just in time is positioned on the central shaft of ground pipe embedded well hole or bored concrete pile 3, the arranging with centrosymmetric mode of first group of U-shaped pipe 21 and the 3rd group of U-shaped pipe 23.
See also Fig. 4 again, in the 3rd embodiment, be embedded in buried pipe well hole or the bored concrete pile three groups of U-shaped pipe 21,22,23 radial equipartitions, and three groups of U-shaped pipes 21,22,23 are arranged with the mode of Y shape.
See also Fig. 5 again, in the 4th embodiment, be embedded in buried pipe well hole or the bored concrete pile three groups of U-shaped pipe 21,22,23 radial equipartitions, and three groups of U-shaped pipes 21,22,23 are arranged with leg-of-mutton mode.
See also Fig. 6 again; In the 5th embodiment; First group of U-shaped pipe 21 is embedded in the semicircle side in pipe embedded well hole, ground or the bored concrete pile 3, is embedded in to second group of U-shaped pipe 22 and the 3rd group of U-shaped 23 pipe square crossings the another side semicircle side in buried pipe well hole or the bored concrete pile 3.
The various arrangements of above-mentioned heat exchanger tube can dwindle the diameter of pipe embedded well hole, ground or bored concrete pile 3 and not influence the heat of heat exchanger tube.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (7)
1. 3U ground heat exchanger; Comprise import and export collection distributive pipe, pipe embedded well hole or bored concrete pile and heat exchanger tube; It is characterized in that; Said heat exchanger tube comprises three groups of U-shaped pipes that are embedded vertically in pipe embedded well hole, said ground or the bored concrete pile; One end of said first group of U-shaped pipe is connected with said inlet header distributive pipe, constitutes parallelly connected double-H groove weld pipe group after said second group of U-shaped pipe and the 3rd group of U-shaped pipe are connected in parallel, and the two ends of this parallel connection double-H groove weld pipe group are connected with the other end and the said outlet collection distributive pipe of said first group of U-shaped pipe respectively.
2. 3U ground heat exchanger according to claim 1; It is characterized in that; The height of said three groups of U-shaped pipes all equates; The horizontal interval of two side branch of said three groups of U-shaped pipes distance also equates, the caliber of said second group of U-shaped pipe and the 3rd group of U-shaped pipe equates and less than the caliber of said first group of U-shaped pipe.
3. 3U ground heat exchanger according to claim 1 and 2 is characterized in that, the parallel and spacing distance of said three groups of U-shaped pipes equally is arranged in pipe embedded well hole, said ground or the bored concrete pile.
4. 3U ground heat exchanger according to claim 1 and 2 is characterized in that, said three groups of U-shaped calibers are in being embedded in pipe embedded well hole, said ground or bored concrete pile in uniform way.
5. 3U ground heat exchanger according to claim 1 and 2; It is characterized in that; Said first group of U-shaped pipe is embedded in the semicircle side in pipe embedded well hole, said ground or the bored concrete pile, is embedded in to said second group of U-shaped pipe and the 3rd group of U-shaped pipe square crossing the another side semicircle side in pipe embedded well hole, said ground or the bored concrete pile.
6. 3U ground heat exchanger according to claim 1 is characterized in that, the caliber of said import and export collection distributive pipe equates with the caliber of said first group of U-shaped pipe.
7. 3U ground heat exchanger according to claim 1 is characterized in that, said heat exchanger tube is embedded in pipe embedded well hole, said ground or the bored concrete pile through the backfill slurry.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011203428681U CN202304101U (en) | 2011-09-14 | 2011-09-14 | Heat exchanger with three groups of U-shaped ground buried pipes |
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CN2011203428681U CN202304101U (en) | 2011-09-14 | 2011-09-14 | Heat exchanger with three groups of U-shaped ground buried pipes |
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CN202304101U true CN202304101U (en) | 2012-07-04 |
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CN2011203428681U Expired - Fee Related CN202304101U (en) | 2011-09-14 | 2011-09-14 | Heat exchanger with three groups of U-shaped ground buried pipes |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102393101A (en) * | 2011-09-14 | 2012-03-28 | 上海吉益能源技术有限公司 | 3U ground heat exchanger |
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2011
- 2011-09-14 CN CN2011203428681U patent/CN202304101U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102393101A (en) * | 2011-09-14 | 2012-03-28 | 上海吉益能源技术有限公司 | 3U ground heat exchanger |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130914 |