CN203605530U - Ground-source heat pump system with closed circulation heat exchange function - Google Patents
Ground-source heat pump system with closed circulation heat exchange function Download PDFInfo
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- CN203605530U CN203605530U CN201320762572.4U CN201320762572U CN203605530U CN 203605530 U CN203605530 U CN 203605530U CN 201320762572 U CN201320762572 U CN 201320762572U CN 203605530 U CN203605530 U CN 203605530U
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- heat exchange
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Abstract
The utility model discloses a ground-source heat pump system with the closed circulation heat exchange function. The ground-source heat pump system with the closed circulation heat exchange function comprises a fluorine loop and a medium loop, wherein fluorine can carry out circular flow through the fluorine loop, and heat exchange media can carry out circular flow through the medium loop; the fluorine loop is composed of a heat exchanger, a reversing valve, a compressor, an indoor unit and an expansion valve together, wherein the heat exchanger, the reversing valve, the compressor, the indoor unit and the expansion valve are connected in series in sequence through fluorine pipe sections; the medium loop is composed of a water pipe, a water pump and the heat exchanger together, wherein the water pipe, the water pump and the heat exchanger are connected in series; the fluorine loop and the medium loop are connected through the heat exchanger to form a heat exchange structure. According to the ground-source heat pump system with the closed circulation heat exchange function, the water pipe serves as a pipeline provided with a bent structure, a body of the water pipe is inserted into the ground in a buried mode, two pipe openings are formed above the ground, one pipe opening is connected with the inlet end of the heat exchanger through the water pump, the other pipe opening is directly connected with the outlet end of the heat exchanger, the body of the water pipe is of a vertical fence shape, and the depth of the body inserted into the ground in the buried mode is dozens of meters, so that the condition of direct heat exchange between media in the water pipe and geothermal resources is formed. According to the ground-source heat pump system with the closed circulation heat exchange function, the medium loop is a closed circuit, and is characterized in that underground water is not consumed when the medium loop is used, and only geothermal resources are used.
Description
Technical field
The utility model relates to a kind of ground source heat pump technology, and specifically, the utility model relates to the vertically earth-source hot-pump system of the closed cycle heat exchange of pipe laying of a kind of configuration, and this system does not only consume underground water with underground heat.
Background technology
Earth source heat pump is a kind of air conditioner that utilizes underground shallow layer geothermal energy resources to carry out heat supply or cooling.Because geotemperature does not change with the variation of ambient temperature, normally be stabilized in 10 ℃～25 ℃ left and right the whole year, its refrigeration or heating efficiency COP can reach 3.5～4.4, will exceed 40% left and right compared with traditional air source heat pump, and operating cost is only 50～60% of ordinary central air-conditioner.Current era, ground source heat pump technology has become the developing direction of air conditioner energy saving and environmental protection, and in the whole world, many countries obtain popularization application.The earth source heat pump of prior art mainly, by suction underground water, is again pressed in other well after heat exchange again, and this open heat transfer technology maturation, effective can reach expection heat exchange object.But open heat exchange need to be dug recharge water gang of wells could meet backwater discharge.Must be alternately because recharging well, therefore floor space is many, great in constructing amount, re-injection water pump operation cost is high, these unfavorable factors have become one of obstacle of applying of restriction earth source heat pump.
Utility model content
The utility model, mainly for the deficiency of the open heat exchange earth-source hot-pump system of prior art, proposes a kind of simple and reasonable for structure, easy to manufacture, quick for installation, do not consume underground water source, heat exchange efficiency is high, the closed cycle heat exchange earth-source hot-pump system that operating cost is cheap.
The utility model is achieved through the following technical solutions technical goal.
The earth-source hot-pump system of closed cycle heat exchange, it comprises the fluorine loop circulating for fluorine and the medium loop circulating for heat transferring medium.Heat exchanger, reversal valve, compressor, indoor set and the expansion valve contacted successively by the segmentation of fluorine pipe in described fluorine loop form jointly.Described medium loop is made up of jointly the water pipe of contacting, water pump and heat exchanger.Described fluorine loop is positioned at medium loop on ground by heat exchanger and part and is connected and is connected into heat exchange structure.Described heat exchanger is tubular type jacket for heat exchange structure, and entrance end is equipped pipe joint respectively, and the straight pipe of pipe joint and the built-in pipe of heat exchanger are tightly connected, and the bypass pipe of linking up heat exchanger outer tube bore is used for connecting fluorine pipe.Its improvements are: described water pipe is the pipeline that is provided with bending structure, its main body is inserted and is embedded in underground, two mouths of pipe are positioned on ground, wherein mouth of pipe is tightly connected by water pump and the equipped pipe joint straight pipe of heat exchanger entrance point, another mouth of pipe pipe joint straight pipe direct and that heat exchanger exit end is equipped is tightly connected, water pipe main body is the perpendicular paliform of putting, and this section is directly inserted and is embedded in underground, forms the structure of the built-in medium of water pipe and underground heat direct heat transfer.
In said structure, water pipe diameter is 20mm～32mm, buried depth H=30m～60m, and the water pipe length of run that is positioned at underground is 200m～350m.The built-in medium of water pipe is water or ethanol.
The utility model compared with prior art, has following good effect:
1, standalone media loop, simple in structure, makes easily, and it is convenient to install;
2, medium loop is enclosed circuit, built-in medium circulation heat exchange, and heat exchange efficiency is high, does not consume underground water in heat transfer process, only utilizes underground heat, therefore do not destroy the groundwater resources of installation site, meets national environmental protection policy;
3, there is no backwater pressure injection problem, be not equipped with water pump, be not equipped with backwater gang of wells yet, thereby accomplish that acquisition cost is low, cost of use is few, it is little to take up an area, investment that save Drilling backwater gang of wells.
Accompanying drawing explanation
Fig. 1 is the utility model principle schematic.
Fig. 2 is positioned at underground water pipe bending structure schematic diagram in Fig. 1.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in further detail.
The earth-source hot-pump system of the closed cycle heat exchange shown in Fig. 1, it comprises the fluorine loop circulating for fluorine and the medium loop circulating for heat transferring medium.Heat exchanger 3, reversal valve 5, compressor 6, indoor set 7 and the expansion valve 8 contacted successively by 4 segmentations of fluorine pipe in described fluorine loop form jointly, and these parts belong to conventional structure.Medium loop in the utility model is closed loop passage, and it is made up of jointly water pipe 1, water pump 2 and heat exchanger 3.In water pipe 1, built-in medium is made cycle heat exchange along medium loop, and because medium loop is enclosed circuit, cycle heat exchange does not consume underground water, only utilizes underground heat.Described fluorine loop is positioned at water loop on ground 9 by heat exchanger 3 and part and is connected and is connected into heat exchange structure.Heat exchanger 3 is tubular type jacket for heat exchange structure, and the entrance end respectively straight pipe of equipped 3.1, two pipe joints 3.1 of pipe joint is tightly connected with the built-in pipe of heat exchanger 3 entrance ends respectively.The bypass pipe of linking up heat exchanger 3 outer tube bores is used for connecting fluorine pipe 4, and the bypass pipe of the upper pipe joint 3.1 of Fig. 1 connects the outlet of fluorine pipe 4, and the bypass pipe of the next pipe joint 3.1 of Fig. 1 connects the import of fluorine pipe 4.Described water pipe 1 is for being provided with the pipeline of bending structure, its main body is inserted and is embedded under ground 9, two mouths of pipe are positioned on ground 9, a mouth of pipe upper in Fig. 1 is tightly connected by equipped pipe joint 3.1 straight pipes of water pump 2 and heat exchanger 3 entrance points, and mouth of pipe pipe joint 3.1 straight pipes direct and that heat exchanger 3 ports of export are equipped the next in Fig. 1 are tightly connected.Water pipe 1 main body is the perpendicular paliform of putting, and this section is directly inserted and is embedded under ground 9.In this structure, when the built-in medium of water pipe 1 under the driving of water pump 2 along medium loop circulation, medium circulation when underground directly with underground heat heat exchange, medium circulation is to the fluorine heat exchange in heat exchanger 3 and fluorine loop.
Embodiment 1
Somewhere summer environment temperature is 28 ℃～40 ℃, 18 ℃ of underground geotemperatures.The utility model is applied in 250m
2hot house in, its power is 2.5P.When use, first reversal valve 5 is allocated to refrigeration position, then start air compressor machine 6, compressed fluorine is along fluorine loop flow, directly absorb the heat of indoor set 8 positions, fluorine influenced by ambient temperature is through expansion valve 8, enter heat exchanger 3 from the bypass pipe of the next pipe joint 3.1 shown in Fig. 1, fluorine enters fluorine pipe 4 from the bypass pipe of upper pipe joint 3.1 shown in Fig. 1 after heat exchange, makes again cycle heat exchange.The water pump 2 simultaneously starting drives the built-in aqueous medium of water pipe 1 to circulate along medium loop, first aqueous medium enters from the mouth of pipe of the upper pipe joint 3.1 of heat exchanger 3 shown in Fig. 1, be back to when underground from the aqueous medium of the mouth of pipe output of the next pipe joint 3.1, because of the temperature difference and ground hotwork heat exchange.In the present embodiment, insert and be embedded in underground water pipe 1 diameter 20mm, overall length 200m, water pipe 1 is bent into paliform, buried depth H=30m, aqueous medium be positioned at underground water pipe 1 repeatedly with ground hotwork heat exchange, manage downstream again 1 output until reach geotemperature, re-injected in heat exchanger 3 and the heat exchange of fluorine loop by water pump 2, cycle heat exchange like this 5 minutes under normal configuration condition, can reduce by 1.1 ℃～1.3 ℃ of the environment temperatures of indoor set 7 positions, cooling gradually afterwards, until reach predetermined temperature value.
Embodiment 2
Somewhere winter, environment temperature is-10 ℃～-30 ℃, 15 ℃ of underground geotemperatures.The utility model is applied in 970 m
2hot house in, be equipped with the earth-source hot-pump system of two closed cycle heat exchange, every power is 3P.Because of location cold, in order to prevent that aqueous medium from freezing on ground, therefore use ethanol instead as heat transferring medium.In the present embodiment, insert and be embedded in underground water pipe 1 diameter 32mm, overall length 350m, water pipe 1 is bent into paliform, buried depth H=60m.When work, first reversal valve 5 is pushed and heats position, heat exchange principle is afterwards identical with embodiment 1, difference is to improve the environment temperature of indoor set 7 positions, under normal configuration condition, start shooting and within 5 minutes, can improve 1.0 ℃～1.2 ℃ of the environment temperature of indoor set 7 positions, heat up gradually afterwards, until reach predetermined temperature value.
The utility model is compared with prior art products on market, and maximum feature is that medium loop is enclosed circuit, built-in medium circulation heat exchange, use procedure does not consume underground water, only utilize underground heat, therefore do not destroy the groundwater resources of installation site, meet national environmental protection policy.In addition, the utility model does not have backwater pressure injection problem while use, does not need to configure water pump, and do not need Drilling backwater gang of wells yet, thereby accomplish that acquisition cost is low, cost of use is few, it is little to take up an area, and the investment of saving Drilling backwater gang of wells.
Claims (3)
1. an earth-source hot-pump system for closed cycle heat exchange, it comprises the fluorine loop circulating for fluorine and the medium loop circulating for heat transferring medium; Heat exchanger (3), reversal valve (5), compressor (6), indoor set (7) and the expansion valve (8) contacted successively by fluorine pipe (4) segmentation in described fluorine loop form jointly; Described medium loop is made up of jointly the water pipe of contacting (1), water pump (2) and heat exchanger (3); Described fluorine loop is positioned at medium loop on ground (9) by heat exchanger (3) and part and is connected and is connected into heat exchange structure; Described heat exchanger (3) is tubular type jacket for heat exchange structure, entrance end is equipped pipe joint (3.1) respectively, the built-in pipe of the straight pipe of pipe joint (3.1) and heat exchanger (3) is tightly connected, and the bypass pipe of linking up heat exchanger (3) outer tube bore is used for connecting fluorine pipe (4); It is characterized in that: described water pipe (1) is for being provided with the pipeline of bending structure, its main body is inserted and is embedded under ground (9), two mouths of pipe are positioned on ground (9), wherein a mouth of pipe is tightly connected by equipped pipe joint (3.1) straight pipe of water pump (2) and heat exchanger (3) entrance point, another mouth of pipe pipe joint (3.1) straight pipe direct and that heat exchanger (3) port of export is equipped is tightly connected, water pipe (1) main body is the perpendicular paliform of putting, this section is directly inserted and is embedded under ground (9), forms the structure of the built-in medium of water pipe (1) and underground heat direct heat transfer.
2. the earth-source hot-pump system of closed cycle heat exchange according to claim 1, is characterized in that: described water pipe (1) diameter is 20mm～32mm, buried depth H=30m～60m, and water pipe (1) length of run being positioned under ground (9) is 200m～350m.
3. the earth-source hot-pump system of closed cycle heat exchange according to claim 1, is characterized in that: the built-in medium of described water pipe (1) is water or ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762572.4U CN203605530U (en) | 2013-11-28 | 2013-11-28 | Ground-source heat pump system with closed circulation heat exchange function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762572.4U CN203605530U (en) | 2013-11-28 | 2013-11-28 | Ground-source heat pump system with closed circulation heat exchange function |
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| CN203605530U true CN203605530U (en) | 2014-05-21 |
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| CN201320762572.4U Expired - Fee Related CN203605530U (en) | 2013-11-28 | 2013-11-28 | Ground-source heat pump system with closed circulation heat exchange function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615840A (en) * | 2013-11-28 | 2014-03-05 | 姜堰市泰怡金属网管有限公司 | Ground source heat pump system for closed-cycle heat exchange |
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2013
- 2013-11-28 CN CN201320762572.4U patent/CN203605530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615840A (en) * | 2013-11-28 | 2014-03-05 | 姜堰市泰怡金属网管有限公司 | Ground source heat pump system for closed-cycle heat exchange |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |