CN201740314U - Tube heat exchanger for ground source heat pump - Google Patents
Tube heat exchanger for ground source heat pump Download PDFInfo
- Publication number
- CN201740314U CN201740314U CN2010202009050U CN201020200905U CN201740314U CN 201740314 U CN201740314 U CN 201740314U CN 2010202009050 U CN2010202009050 U CN 2010202009050U CN 201020200905 U CN201020200905 U CN 201020200905U CN 201740314 U CN201740314 U CN 201740314U
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- heat exchanger
- water inlet
- inlet pipe
- pipe
- heat pump
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Abstract
A tube heat exchanger comprises a conical head, a positioning plate, a water inlet pipe, a casing pipe, a big cover, a tee joint, a bent head, a water outlet pipe and a small cover. The circulating water flows out from the tee joint, the bent head and the water outlet pipe, after flows in from the water inlet pipe and then spreads to a space formed between the casing pipe and the water inlet pipe. When the heat exchanger is embedded in an undergrounded open caisson, the circulating water exchanges heat with the soil through the outer wall of the casing pipe, therefore providing a small construction aperture of an undergrounded open caisson, lowering the cost of a ground source heat pump system engineering and achieving a better heat exchange effect of the tube heat exchanger.
Description
Technical field
The utility model relates to the heat exchanger in the underground open caisson in a kind of earth-source hot-pump system.
Background technology
Earth-source hot-pump system is a kind ofly to utilize underground geothermal using near constant temperature and cold and hot characteristics capacious, imbed a large amount of heat exchangers underground, do circulatory mediator and underground thin solum carries out cold and hot exchange by water, by heat pump recirculated water is carried out cold and hot and reversible exchange, the highly effective energy-conserving environmental-protecting type air-conditioning system that formation can heat supply can be freezed again.Earth-source hot-pump system mainly is made up of heat pump and water pump machine room, underground piping and heat exchanger, above-ground line and fan coil.It is modal a kind of cold and hot exchanged form in the earth-source hot-pump system that heat exchanger is imbedded underground open caisson, and traditional heat exchangers is generally the U-shaped heat exchange of heat pipe.Need a large amount of heat exchangers in the earth-source hot-pump system, heat exchanger in the earth-source hot-pump system and construction cost are part bigger in the total system engineering cost.
Summary of the invention
The utility model is to provide a kind of underground open caisson construction aperture little, and the cost of earth-source hot-pump system engineering reduces, and the earth source heat pump double-tube heat exchanger of heat exchange better effects if.
The technical solution of the utility model: a kind of earth source heat pump double-tube heat exchanger is combined by conehead, positioning disk, water inlet pipe, sleeve pipe, Da Gai, threeway, elbow, outlet pipe and tegillum.
When described earth source heat pump double-tube heat exchanger was used, recirculated water was diffused into earlier in the formed space of water inlet pipe and sleeve pipe after flowing into from water inlet pipe, is flowed out by threeway, elbow and outlet pipe then.When heat exchanger was imbedded underground open caisson, water carried out cold and hot exchange by the outer wall and the soil of sleeve pipe.
The endoporus of tegillum is passed on the top of described earth source heat pump double-tube heat exchanger water inlet pipe, the upper end of threeway is inserted in the outer ring of tegillum, the endoporus of big lid is inserted in the lower end of threeway, the level mouth of threeway inserts the level mouth of elbow, and an end of outlet pipe inserts vertical mouthful of elbow, the upper end that sleeve pipe is inserted in the outer ring of big lid, the outer ring of conehead is inserted in the lower end of sleeve pipe, the upper end of conehead is enclosed within the outer ring of positioning disk, and the endoporus of positioning disk is inserted in the lower end of water inlet pipe, and each part is connected as a single entity by being in contact with one another the bonding of face.
Described earth source heat pump double-tube heat exchanger sleeve pipe water inlet pipe, sleeve pipe and outlet pipe are cylindrical structure and general part, threeway and elbow are general part, conehead, tegillum, lid and positioning disk are mould molding and produce part in batches greatly, and be simple in structure, easy to process and cost of manufacture is low.
More than 2.5 times, promptly the surface area of sleeve outer wall more than 2.5 times, has enough cold and hot exchange area with outer wall and the soil that guarantees sleeve pipe greater than the surface area of water inlet pipe outer wall in the sleeve pipe greater than the aperture of water inlet pipe in the aperture of described earth source heat pump double-tube heat exchanger sleeve pipe.
The aperture of described earth source heat pump double-tube heat exchanger sleeve pipe is when the aperture of water inlet pipe is more than 2.5 times, formed a bigger space between sleeve pipe and the water inlet pipe, make recirculated water can in heat exchanger, stop the long time, make recirculated water carry out cold and hot exchange better, improved the heat exchanger exchange efficiency with the outer wall of sleeve pipe.
The aperture of described earth source heat pump double-tube heat exchanger water inlet pipe equals the aperture of outlet pipe, and it is identical with the speed that flows out to guarantee that recirculated water flows into.
The aperture of described earth source heat pump double-tube heat exchanger positioning disk intermediate throughholes equals the aperture of water inlet pipe, and the positioning disk radially area of several through holes guarantees that greater than the area of water inlet pipe recirculated water can successfully flow among the sleeve pipe.
The endoporus of tegillum is passed on the top of described earth source heat pump double-tube heat exchanger water inlet pipe, and the lower end of water inlet pipe and the endoporus that inserts positioning disk and bonding guarantee that water inlet pipe is positioned at the centre of sleeve pipe, and make the recirculated water heat exchange even.
The utility model is compared with the U-shaped heat exchange of heat pipe:
1, under the condition of identical heat exchange amount:
The heat exchange area that a, the utility model contact with soil is bigger than U-shaped heat exchange of heat pipe, so the comparable U-shaped heat exchange of heat pipe of the consumption of required earth source heat pump double-tube heat exchanger is few;
B, water capacity of the present utility model are bigger than U-shaped heat exchange of heat pipe, so the time ratio U-shaped heat exchange of heat pipe that recirculated water stops in the utility model is long, cold and hot exchange is more abundant than U-shaped heat exchange of heat pipe, the flow velocity of Inlet and outlet water can suitably strengthen, and promptly the comparable U-shaped heat exchange of heat pipe of the consumption of earth source heat pump double-tube heat exchanger further reduces.
2, the aperture of used underground open caisson of the present utility model is littler than U-shaped heat exchange of heat pipe, and native land side's construction volume is little;
Though 3 earth source heat pump double-tube heat exchanger costs are than U-shaped heat exchange of heat pipe height, the consumption of earth source heat pump double-tube heat exchanger reduce and the earthwork construction amount reduce cost much smaller than its value added.
In sum, the utility model is compared with the U-shaped heat exchange of heat pipe, and it is little to have a underground open caisson construction aperture, and the cost of earth-source hot-pump system engineering reduces, and the characteristics of heat exchange better effects if.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
In the accompanying drawing: the 1st, conehead, the 2nd, positioning disk, 2-1 are that through hole, the 2-2 in the middle of the positioning disk is positioning disk several through holes, the 3rd radially, water inlet pipe, the 4th, sleeve pipe, the 5th, big lid, the 6th, threeway, the 7th, elbow, the 8th, outlet pipe, the 9th, tegillum, the 10th, soil.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.
The endoporus of tegillum 9 is passed on the top of earth source heat pump double-tube heat exchanger water inlet pipe 3, the upper end of threeway 6 is inserted in the outer ring of tegillum 9, the endoporus of big lid 5 is inserted in the lower end of threeway 6, the level mouth of threeway 6 inserts the level mouth of elbow 7, one end of outlet pipe 8 inserts vertical mouthful of elbow 7, the upper end that sleeve pipe 4 is inserted in the outer ring of big lid 5, the outer ring of conehead 1 is inserted in the lower end of sleeve pipe 4, the upper end of conehead 1 is enclosed within the outer ring of positioning disk 2, the endoporus 2-1 of positioning disk 2 is inserted in the lower end of water inlet pipe 3, and each part is connected as a single entity by being in contact with one another the bonding of face.
Earth source heat pump double-tube heat exchanger water inlet pipe 3, sleeve pipe 4 and outlet pipe 8 are cylindrical structure and general part, threeway 6 and elbow 7 are general part, conehead 1, tegillum 9, greatly cover 5 and positioning disk 2 for mould molding with produce part in batches, simple in structure, easy to process and cost of manufacture is low.
The aperture of earth source heat pump double-tube heat exchanger sleeve pipe 4 is greater than the aperture of water inlet pipe 3 more than 2.5 times, the surface area that is sleeve pipe 4 outer walls more than 2.5 times, has enough cold and hot exchange area with outer wall and the soil 10 that guarantees sleeve pipe 4 greater than the surface area of water inlet pipe 3 outer walls in the sleeve pipe 4.
The aperture of earth source heat pump double-tube heat exchanger sleeve pipe 4 is when the aperture of water inlet pipe 3 is more than 2.5 times, formed a bigger space between sleeve pipe 4 and the water inlet pipe 3, make recirculated water can in heat exchanger, stop the long time, make recirculated water carry out cold and hot exchange better, improved the heat exchanger exchange efficiency with the outer wall of sleeve pipe 4.
The aperture of earth source heat pump double-tube heat exchanger water inlet pipe 3 equals the aperture of outlet pipe 8, and it is identical with the speed that flows out to guarantee that recirculated water flows into.
The aperture of earth source heat pump double-tube heat exchanger positioning disk 2 intermediate throughholes 2-1 equals the aperture of water inlet pipe 3, and the positioning disk 2 radially area of several through holes 2-2 guarantees that greater than the area of water inlet pipe 3 recirculated water can successfully flow among the sleeve pipe 4.
The endoporus of tegillum 9 is passed on the top of earth source heat pump double-tube heat exchanger water inlet pipe 3, and the lower end of water inlet pipe 3 and the endoporus 2-1 that inserts positioning disk 2 guarantee that water inlet pipe 3 is positioned at the centre of sleeve pipe 4, and make the recirculated water heat exchange even.
When the earth source heat pump double-tube heat exchanger was used, recirculated water was diffused into earlier in water inlet pipe 3 and the sleeve pipe 4 formed spaces after flowing into from water inlet pipe 3, is flowed out by threeway 6, elbow 7 and outlet pipe 8 then.When heat exchanger was imbedded underground open caisson, recirculated water carried out cold and hot exchange by the outer wall and the soil 10 of sleeve pipe 4.
The utility model other about using and principle, adopt required distance between the determining of recirculated water flow velocity in series connection and mode in parallel, the pipeline, the heat exchanger as connecting line between the heat exchanger, and the selection of heat exchanger materials etc., identical with traditional U-shaped heat exchange of heat pipe, the Therefore, omited explanation.
Claims (5)
1. an earth source heat pump double-tube heat exchanger is made up of conehead (1), positioning disk (2), water inlet pipe (3), sleeve pipe (4), big lid (5), threeway (6), elbow (7), outlet pipe (8) and tegillum (9); The endoporus of tegillum (9) is inserted on the top of earth source heat pump double-tube heat exchanger water inlet pipe (3), the upper end of threeway (6) is inserted in the outer ring of tegillum (9), the endoporus of big lid (5) is inserted in the lower end of threeway (6), the level mouth of threeway (6) inserts the level mouth of elbow (7), one end of outlet pipe (8) inserts vertical mouthful of elbow (7), the upper end of sleeve pipe (4) is inserted in the outer ring of big lid (5), the outer ring of conehead (1) is inserted in the lower end of sleeve pipe (4), the upper end of conehead (1) is enclosed within the outer ring of positioning disk (2), insert in the endoporus (2-2) of positioning disk (2) lower end of water inlet pipe (3), and each part is connected as a single entity by being in contact with one another the bonding of face; It is characterized in that water inlet pipe (3) in the above-mentioned earth source heat pump double-tube heat exchanger, sleeve pipe (4) and outlet pipe (8) are cylindrical structure, water inlet pipe (3) passes threeway (6), be provided with a through hole (2-1) in the middle of the positioning disk (2), positioning disk (2) radially is provided with several through holes (2-2).
2. according to the described earth source heat pump double-tube heat exchanger of claim 1, the aperture that it is characterized in that described sleeve pipe (4) is greater than the aperture of water inlet pipe (3) more than 2.5 times.
3. according to the described earth source heat pump double-tube heat exchanger of claim 1, it is characterized in that the aperture of described water inlet pipe (3) equals the aperture of outlet pipe (8).
4. according to the described earth source heat pump double-tube heat exchanger of claim 1, it is characterized in that the aperture of described positioning disk (2) intermediate throughholes (2-1) equals the aperture of water inlet pipe (3).
5. according to the described earth source heat pump double-tube heat exchanger of claim 1, it is characterized in that described positioning disk (2) radially the area of several through holes (2-2) greater than the area of water inlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202009050U CN201740314U (en) | 2010-05-25 | 2010-05-25 | Tube heat exchanger for ground source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202009050U CN201740314U (en) | 2010-05-25 | 2010-05-25 | Tube heat exchanger for ground source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201740314U true CN201740314U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202009050U Expired - Lifetime CN201740314U (en) | 2010-05-25 | 2010-05-25 | Tube heat exchanger for ground source heat pump |
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| CN (1) | CN201740314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925739A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Closed single-tube vertical borehole ground-coupled heat pump system |
| CN105651101A (en) * | 2016-01-12 | 2016-06-08 | 太原理工大学 | Cylindrical electric smelting pipe joint for vertical buried pipe heat exchanger of multi-supply one-return center water returning pipe |
-
2010
- 2010-05-25 CN CN2010202009050U patent/CN201740314U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925739A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Closed single-tube vertical borehole ground-coupled heat pump system |
| CN105651101A (en) * | 2016-01-12 | 2016-06-08 | 太原理工大学 | Cylindrical electric smelting pipe joint for vertical buried pipe heat exchanger of multi-supply one-return center water returning pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |