CN203432149U - Sleeve type ground source heat pump buried pipe - Google Patents
Sleeve type ground source heat pump buried pipe Download PDFInfo
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- CN203432149U CN203432149U CN201320470929.1U CN201320470929U CN203432149U CN 203432149 U CN203432149 U CN 203432149U CN 201320470929 U CN201320470929 U CN 201320470929U CN 203432149 U CN203432149 U CN 203432149U
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- instlated tubular
- heat pump
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Abstract
The utility model relates to the technical field of a ground source heat pump, in particular to a sleeve type ground source heat pump buried pipe, which comprises an outer pipe and an inner pipe, wherein the bottom of the outer pipe is provided with a seal head, a water inlet passage is formed between the outer pipe and the inner pipe, a water return passage is formed in the inner pipe, the area of the water inlet passage is greater than the area of the water return passage, a heat isolation pipe is sheathed on the outer wall of the inner pipe, the outer pipe, the inner pipe and the heat isolation pipe are in coaxial arrangement, a heat isolation cavity is formed between the heat isolation pipe and the inner pipe, a flow guide bulge is arranged on the outer wall of the heat isolation pipe, the flow guide bulge surrounds the heat isolation pipe to spirally extend, a reinforcing rib is arranged on the outer wall of the outer pipe, and the reinforcing rib surrounds the outer pipe to spirally extend. The sleeve type ground source heat pump buried pipe has the advantages that the reinforcing rib is arranged on the outer pipe, the contact area between the outer pipe and a soil layer is increased, the water flow speed of the water inlet passage is low, the flow guide bulge is arranged on the outer wall of the heat isolation pipe, the heat exchange efficiency is improved, the water flow speed in the water return passage is high, the heat exchange is reduced, the heat isolation cavity is adopted, and the generation of heat short circuit phenomenon between the outer pipe and the inner pipe is avoided.
Description
Technical field
The utility model relates to ground source heat pump technology field, relates in particular to a kind of bushing type ground buried pipe of ground source heat pump.
Background technology
Earth source heat pump be a kind of utilize the geothermal using energy (also claim ground can, comprise the energy of underground water, soil layer or surface water etc.) not only can heat supply but also the energy saving system that can freeze.In geothermal heat pump air-conditioning system, ground can distinguish in the winter time as the thermal source of heat pump heat supply and summer refrigeration low-temperature receiver, in the winter time, the heat in ground energy is taken out, improve after temperature supply indoor heating; Summer, indoor heat is taken out, be discharged in ground energy and go.At present, it is approximately energy-conservation 50% that earth-source hot-pump system is compared with conventional heat supplying air conditioning system, is a kind of energy-efficient, free of contamination novel air conditioning system that not only can heat but also can freeze that utilizes regenerative resource.Ground source heat pump technology, from being mainly used in the heating in resident house and air-conditioning, hot-water supply, expands the applications such as industry, agricultural, military affairs to.
Earth source heat pump is compared with other air-conditioning system, and underground buried tube system is the center of gravity of earth source heat pump, and ground buried pipe of ground source heat pump generally has two kinds of forms, i.e. perpendicularly buried pipe and horizontal coiled pipe.Because horizontal coiled pipe floor space is large, and heat exchange index is less than perpendicularly buried pipe, take perpendicularly buried pipe as main in engineering.Perpendicularly buried pipe is conventional two kinds of U-shaped pipe and sleeve pipes, and sleeve pipe, due to simple in structure, easy construction, is widely used in earth-source hot-pump system, but at present, between the inner and outer pipes of some sleeve pipe underground pipe owing to existing hot short circuit phenomenon to affect heat transfer effect.
Utility model content
The purpose of this utility model is to provide a kind of bushing type ground buried pipe of ground source heat pump, is intended to solve between the inner and outer pipes of sleeve pipe underground pipe of earth source heat pump of prior art exist hot short circuit phenomenon to affect the technical problem of heat transfer effect.
The utility model is to realize like this, bushing type ground buried pipe of ground source heat pump, comprise outer tube and inner tube, the bottom of described outer tube is provided with end socket, between described outer tube and inner tube, form intake tunnel, in described inner tube, form backwater channel, the area of described intake tunnel is greater than the area of described backwater channel, sheathed instlated tubular on described outer wall of inner tube, described outer tube, inner tube and instlated tubular coaxially arrange, between described instlated tubular and inner tube, form heat-insulation chamber, described instlated tubular outer wall is provided with water conservancy diversion projection, and described water conservancy diversion protruding ring extends spirally around described instlated tubular; The outer wall of described outer tube is provided with ribs, and described ribs extends spirally around described outer tube.
As a kind of improvement, between described outer tube and instlated tubular, be provided with spacing ring, described spacing ring comprises outer shroud and interior ring, and described inner ring sleeve is located on described instlated tubular, and described outer shroud is connected with outer tube wall, between described outer shroud and interior ring, is provided with support bar.
As improving further, the foamed plastics that is filled with perlite bulk cargo in described heat-insulation chamber or foams and make in heat-insulation chamber.
As another kind, improve, described heat-insulation chamber upper end is provided with seal cover, and lower end and the inner tube of described instlated tubular are tightly connected, and described heat-insulation chamber is a vacuum chamber.
Owing to adopting technique scheme, the beneficial effects of the utility model are: because the area of intake tunnel is greater than the area of backwater channel, make the water velocity of intake tunnel slow, fully with extraneous soil layer heat exchange, make the water velocity in backwater channel fast, the current and the external world that reduce after heat exchange carry out heat exchange, between instlated tubular and inner tube, form heat-insulation chamber, avoid producing between outer tube and inner tube hot short circuit phenomenon, the outer wall of outer tube is provided with ribs and extends spirally, increased the contact area of outer tube and soil layer, improve heat exchange efficiency, the outer wall of instlated tubular is provided with water conservancy diversion projection, make the current in intake tunnel form turbulent flow, further improve heat exchange efficiency.
Owing to being provided with spacing ring between outer tube and instlated tubular, between the outer shroud of spacing ring and interior ring, be provided with support bar, make inner and outer tubes relatively fixing, avoid relatively moving and cause device damage.
Due in heat-insulation chamber, be filled with perlite bulk cargo or in heat-insulation chamber the foamed plastics made of foaming, avoid current in backwater channel and the current heat exchange in intake tunnel.
Because heat-insulation chamber is a vacuum chamber, avoid current in backwater channel and the current generation heat exchange in intake tunnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-;
Fig. 2 is the structural representation of embodiment mono-spacing ring;
Fig. 3 is the structural representation of the utility model embodiment bis-;
Wherein: 1-outer tube, 2-inner tube, 3-end socket, 4-intake tunnel, 5-backwater channel, 6-instlated tubular, 7-heat-insulation chamber, 8-water conservancy diversion projection, 9-ribs, 10-spacing ring, 101-outer shroud, ring in 102-, 103-support bar, 11-seal cover.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 and Fig. 2 are common, a kind of bushing type ground buried pipe of ground source heat pump that the utility model embodiment mono-provides, comprise outer tube 1 and inner tube 2, the bottom of outer tube 1 and inner tube 2 is communicated with, the bottom of outer tube 1 is provided with end socket 3, between outer tube 1 and inner tube 2, form intake tunnel 4, the interior formation backwater channel 5 of inner tube 2, the area of intake tunnel 4 is greater than the area of backwater channel 5, make the water velocity of intake tunnel 4 slow, with abundant and extraneous soil layer heat exchange, water velocity in backwater channel 5 is fast, current after minimizing heat exchange and the current of intake tunnel 4 carry out heat exchange, sheathed instlated tubular 6 on inner tube 2 outer walls, outer tube 1, inner tube 2 and instlated tubular 6 coaxially arrange, between instlated tubular 6 and inner tube 2, form heat-insulation chamber 7, reduce between intake tunnel 4 and the current of backwater channel 5 heat exchange occurs, avoid occurring hot short circuit phenomenon, instlated tubular 6 outer walls are provided with water conservancy diversion projection 8, water conservancy diversion projection 8 extends spirally around instlated tubular 6, make the current in intake tunnel 4 form turbulent flow, improve heat exchange efficiency, the outer wall of outer tube 1 is provided with ribs 9, and ribs 9 extends spirally around outer tube 1, has increased the contact area of outer tube 1 with soil layer, improves heat exchange efficiency.
In the present embodiment, as shown in Figure 2, between outer tube 1 and instlated tubular 6, be provided with spacing ring 10, spacing ring 10 comprises outer shroud 101 and interior ring 102, interior ring 102 is set on instlated tubular 6, between outer shroud 101 and interior ring 102, is provided with support bar 103, and outer shroud 102 is connected with outer tube 1 inwall, make inner tube 2 relative with outer tube 1 fixing, avoid relatively moving and cause device damage.
In the present embodiment, the foamed plastics that is filled with perlite bulk cargo in heat-insulation chamber 7 or foams and make in heat-insulation chamber, also can adopt other materials, as long as reach the current of avoiding in backwater channel 5 and intake tunnel 4, hot short circuit phenomenon occurs.
As shown in Figure 3, embodiment bis-of the present utility model is only with the difference of embodiment mono-, heat-insulation chamber 9 upper ends are provided with seal cover 11, the lower end of instlated tubular 6 and inner tube 2 are tightly connected, heat-insulation chamber 7 is a vacuum chamber, avoid the current in backwater channel 5 and intake tunnel 4 that hot short circuit phenomenon occurs, other structures of embodiment bis-are identical with embodiment mono-.
The bushing type ground buried pipe of ground source heat pump that the utility model provides, the water velocity of intake tunnel 4 is slow, fully with extraneous soil layer heat exchange, water velocity in backwater channel 5 is fast, current after minimizing heat exchange and the current in intake tunnel 4 carry out heat exchange, between instlated tubular 6 and inner tube 2, form heat-insulation chamber 7, avoid, between outer tube 1 and inner tube 2, hot short circuit phenomenon occurs, the outer wall of outer tube 1 is provided with ribs 9 and extends spirally, increased the contact area of outer tube 1 with soil layer, improve heat exchange efficiency, the outer wall of instlated tubular 6 is provided with water conservancy diversion projection 8, make the current in intake tunnel 4 form turbulent flow, further improve heat exchange efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. bushing type ground buried pipe of ground source heat pump, comprise outer tube and inner tube, the bottom of described outer tube is provided with end socket, between described outer tube and inner tube, form intake tunnel, in described inner tube, form backwater channel, it is characterized in that, the area of described intake tunnel is greater than the area of described backwater channel, sheathed instlated tubular on described outer wall of inner tube, described outer tube, inner tube and instlated tubular coaxially arrange, between described instlated tubular and inner tube, form heat-insulation chamber, described instlated tubular outer wall is provided with water conservancy diversion projection, and described water conservancy diversion protruding ring extends spirally around described instlated tubular; The outer wall of described outer tube is provided with ribs, and described ribs extends spirally around described outer tube.
2. bushing type ground buried pipe of ground source heat pump according to claim 1, it is characterized in that, between described outer tube and instlated tubular, be provided with locating ring, described locating ring comprises outer shroud and interior ring, described inner ring sleeve is located on described instlated tubular, described outer shroud is connected with outer tube wall, between described outer shroud and interior ring, is provided with support bar.
3. bushing type ground buried pipe of ground source heat pump according to claim 1 and 2, is characterized in that, the foamed plastics that is filled with perlite bulk cargo in described heat-insulation chamber or foams and make in heat-insulation chamber.
4. bushing type ground buried pipe of ground source heat pump according to claim 1 and 2, is characterized in that, described heat-insulation chamber upper end is provided with seal cover, and lower end and the inner tube of described instlated tubular are tightly connected, and described heat-insulation chamber is a vacuum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470929.1U CN203432149U (en) | 2013-08-03 | 2013-08-03 | Sleeve type ground source heat pump buried pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470929.1U CN203432149U (en) | 2013-08-03 | 2013-08-03 | Sleeve type ground source heat pump buried pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432149U true CN203432149U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320470929.1U Expired - Fee Related CN203432149U (en) | 2013-08-03 | 2013-08-03 | Sleeve type ground source heat pump buried pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203432149U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953815A (en) * | 2014-05-16 | 2014-07-30 | 中国海洋石油总公司 | Heavy oil well test spiral synergy heating pipe |
| CN104180562A (en) * | 2014-08-15 | 2014-12-03 | 同度能源科技（江苏）股份有限公司 | Novel sleeve type buried pipe |
| CN106885386A (en) * | 2017-04-26 | 2017-06-23 | 江苏省地矿地热能有限公司 | A kind of concentric tubes heat exchanger tube |
| CN108412463A (en) * | 2018-04-27 | 2018-08-17 | 吉林建筑大学 | A kind of geothermal well and its completion method |
| CN109654768A (en) * | 2018-11-23 | 2019-04-19 | 重庆交通大学 | A kind of underground pipe for soil source heat pump |
| CN111237849A (en) * | 2020-01-17 | 2020-06-05 | 安徽理工大学 | Indirect heating device for abandoned mine and method for heating by adopting indirect heating device |
| CN112628837A (en) * | 2020-11-30 | 2021-04-09 | 北方瑞能(内蒙古)集团有限公司 | Multiple heat exchange system based on deep well heat exchange technology |
| CN112902270A (en) * | 2021-03-22 | 2021-06-04 | 吉林大学 | Interference-free middle-deep layer coaxial geothermal combined ground source heat pump heating system |
| CN113280655A (en) * | 2021-05-08 | 2021-08-20 | 东南大学 | High-efficiency coaxial double-pipe heat exchanger |
| CN113864525A (en) * | 2021-08-31 | 2021-12-31 | 河南沃德环境科技有限公司 | Ground pipe combined type segmented synergistic heat exchange device |
-
2013
- 2013-08-03 CN CN201320470929.1U patent/CN203432149U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953815A (en) * | 2014-05-16 | 2014-07-30 | 中国海洋石油总公司 | Heavy oil well test spiral synergy heating pipe |
| CN104180562A (en) * | 2014-08-15 | 2014-12-03 | 同度能源科技（江苏）股份有限公司 | Novel sleeve type buried pipe |
| CN104180562B (en) * | 2014-08-15 | 2016-07-06 | 同度能源科技（江苏）股份有限公司 | Bushing type underground pipe |
| CN106885386A (en) * | 2017-04-26 | 2017-06-23 | 江苏省地矿地热能有限公司 | A kind of concentric tubes heat exchanger tube |
| CN108412463A (en) * | 2018-04-27 | 2018-08-17 | 吉林建筑大学 | A kind of geothermal well and its completion method |
| CN109654768A (en) * | 2018-11-23 | 2019-04-19 | 重庆交通大学 | A kind of underground pipe for soil source heat pump |
| CN111237849A (en) * | 2020-01-17 | 2020-06-05 | 安徽理工大学 | Indirect heating device for abandoned mine and method for heating by adopting indirect heating device |
| CN112628837A (en) * | 2020-11-30 | 2021-04-09 | 北方瑞能(内蒙古)集团有限公司 | Multiple heat exchange system based on deep well heat exchange technology |
| CN112628837B (en) * | 2020-11-30 | 2022-02-15 | 北方瑞能(内蒙古)集团有限公司 | Multiple heat exchange system based on deep well heat exchange technology |
| CN112902270A (en) * | 2021-03-22 | 2021-06-04 | 吉林大学 | Interference-free middle-deep layer coaxial geothermal combined ground source heat pump heating system |
| CN113280655A (en) * | 2021-05-08 | 2021-08-20 | 东南大学 | High-efficiency coaxial double-pipe heat exchanger |
| CN113864525A (en) * | 2021-08-31 | 2021-12-31 | 河南沃德环境科技有限公司 | Ground pipe combined type segmented synergistic heat exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160803 |