CN103697724B - Sleeve type heat exchanger - Google Patents
Sleeve type heat exchanger Download PDFInfo
- Publication number
- CN103697724B CN103697724B CN201210376600.9A CN201210376600A CN103697724B CN 103697724 B CN103697724 B CN 103697724B CN 201210376600 A CN201210376600 A CN 201210376600A CN 103697724 B CN103697724 B CN 103697724B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- tube
- pipe
- exchanger tube
- sleeve
- 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.)
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Links
- 239000012530 fluid Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000077 insect repellent Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 210000005239 tubule Anatomy 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a sleeve type heat exchanger, which comprises an outer pipe and an inner pipe arranged in the outer pipe, wherein the inner pipe comprises a first heat exchange pipe, more than two second heat exchange pipes which are arranged in the first heat exchange pipe and connected in parallel, and a heat conducting medium filled between the first heat exchange pipe and the second heat exchange pipes, and the cross section of the first heat exchange pipe is in a runway shape or the first heat exchange pipe is a multi-head spiral pipe. The double-pipe heat exchanger has the advantages of simple production process, small flow resistance of heat exchange medium and high pressure bearing capacity.
Description
Technical field
The present invention relates to a kind of heat-exchange device, particularly relate to a kind of double pipe heat exchanger.
Background technology
At present, the double-tube heat exchanger on market mostly is common coaxial sleeve heat exchanger, bundled tube sleeve heat exchange
Device, both double-tube heat exchangers have the most ripe process technology, and are widely used；In recent years
Come, also occur in that around tubular sleeve heat exchanger, be the outer surface spiral shell a supervisor around tubular sleeve heat exchanger
Rotation is wound around many tubules, and the outer surface of supervisor is provided with spiral grooves, and tubule is placed in spiral grooves, and many thin
Pipe uses mode in parallel or series, walks two kinds of fluids the most respectively, it is achieved heat exchange in supervisor and tubule,
But after tubular sleeve heat exchanger has been wound around tubule, supervisor is carried out bending and is very easy to cause the tubule of inner side
Form quality problems；It addition, because the radius of tubule spiral winding is smaller, wall thickness reduction ratio outside tubule
More severe, so that compressive resistance declines, also easily cause the quality problems in use；Meanwhile, supervisor
Upper processing spiral grooves is the most relatively difficult, and cost is higher, it is carried out bending and quality problems the most easily occurs.
All it is difficult to accomplish resistance to surpassing around tubular sleeve heat exchanger, coaxial sleeve heat exchanger and bundled tube double-tube heat exchanger
High pressure, the such as air cooler in carbon dioxide trans-critical cycle just cannot use above several heat exchanger.
Inner tube uses the coaxial sleeve heat exchanger of two-tube wall to there is also processing difficulties, basically can not examine after leakage
Repair；It addition, can there is gap between double-layer tube wall, the air in these gaps can affect heat transfer effect.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of simple in construction, bushing type reasonable in design
Heat exchanger, its production technology is simple, heat transferring medium flow resistance is little, holds compression resistance high, in present invention realization
State purpose be the technical scheme is that
A kind of double pipe heat exchanger, including outer tube and be placed in the inner tube in described outer tube, said inner tube includes the
The second heat exchanger tube that one heat exchanger tube, two more parallels being placed in described first heat exchanger tube connect and filling out
Fill the heat-conducting medium between described first heat exchanger tube and the second heat exchanger tube.
More preferably, described double pipe heat exchanger also includes that diverter, described diverter are arranged on said inner tube
The end of the second heat exchanger tube, connects between the second heat exchanger tube of two more parallels.
Further, described double pipe heat exchanger also includes first sleeve and the second sleeve pipe；
Described first sleeve is arranged on the end of the first heat exchanger tube of said inner tube, is used for connecting described diverter
With described first heat exchanger tube；
Described second sleeve pipe is arranged on the end of described outer tube, described second sleeve pipe be used for connecting described outer tube and
Described first heat exchanger tube；
The tube wall of described second sleeve pipe is provided with through hole, and described through hole is used for the heat exchanging fluid that circulates.
More preferably, the junction of described diverter and described first sleeve and described first heat exchanger tube and described the
The junction of sleeve all uses welded seal；
The company of the junction of described outer tube and described second sleeve pipe and described first heat exchanger tube and described second sleeve pipe
The place of connecing the most all uses welded seal.
More preferably, described first heat exchanger tube is multi-start helical tubes.
More preferably, the cross sectional shape of described first heat exchanger tube is track type.
More preferably, described outer tube and the inner tube that is placed in described outer tube are bent over being laminated into track type, mosquito-repellent incense-shaped
Or it is cylindrical.
More preferably, described heat-conducting medium is heat conductive silica gel.
The invention has the beneficial effects as follows: the double pipe heat exchanger production technology of the present invention is simple, heat exchanging medium flow
Dynamic resistance is little, holds compression resistance high.
Accompanying drawing explanation
The schematic diagram of double pipe heat exchanger one embodiment of Fig. 1 present invention；
Fig. 2 is the cross-sectional schematic of double pipe heat exchanger shown in Fig. 1；
The assembling schematic diagram of double pipe heat exchanger one embodiment of Fig. 3 present invention；
Fig. 4 is the schematic cross-section of double pipe heat exchanger shown in the Fig. 3 being provided with four second heat exchanger tubes；
Fig. 5 is the left view schematic diagram of double pipe heat exchanger shown in the Fig. 3 being provided with four second heat exchanger tubes；
Fig. 6 be the first heat exchanger tube be the schematic diagram of a double pipe heat exchanger of the present invention embodiment of multi-start helical tubes；
Fig. 7 is the cross-sectional schematic of Fig. 6；
Fig. 8 is the double pipe heat exchanger left view schematic diagram shown in Fig. 6 being provided with seven second heat exchanger tubes.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example the double pipe heat exchanger of the present invention is further elaborated.Should be appreciated that described herein
Specific embodiment only in order to explain the present invention, is not intended to limit the present invention.
Referring to figs. 1 through Fig. 8, double pipe heat exchanger one embodiment of the present invention includes diverter 1, first sleeve
2, the second sleeve pipe 3, outer tube 4 and be placed in the inner tube in described outer tube 4, this double pipe heat exchanger is symmetrical,
The number of components of its both sides is identical；
Two more parallels connections that said inner tube includes the first heat exchanger tube 5, is placed in described first heat exchanger tube 5
The second heat exchanger tube 51 and the heat conduction that is filled between described first heat exchanger tube 5 and the second heat exchanger tube 51 be situated between
Matter 52；Wherein, the first heat exchanger tube 5 and the second heat exchanger tube 51 are copper pipe or other metal tubes, by more than two
Second heat exchanger tube 51 is put in the first heat exchanger tube 5, and the middle part overwhelming majority of the first heat exchanger tube 5 is squeezed into race
The cross section (see figure 4) of road shape, or be twisted into multi-start helical tubes (see figure 6), the first heat exchanger tube 5 interior
The outer wall of wall and the second heat exchanger tube 51 contacts, and the two ends of the first heat exchanger tube 5 can keep original round tube shape,
First heat exchanger tube 5 is alternatively multi-start helical tubes, and multi-start helical tubes serves the effect increasing heat exchange area,
Filling heat-conductive medium 52 in gap between first heat exchanger tube 5 and the second heat exchanger tube 51, heat-conducting medium 52 is
Heat conductive silica gel, heat-conducting silicone grease or other excellent heat-conducting mediums；
Every end of the second heat exchanger tube 51 of said inner tube is equipped with a diverter 1, and diverter 1 is for two
Connect between second heat exchanger tube 51 of more parallel；
First sleeve 2 is arranged on the end of the first heat exchanger tube 5 of said inner tube, and first sleeve 2 is used for connecting
Diverter 1 and the first heat exchanger tube 5；The junction of diverter 1 and first sleeve 2 and the first heat exchanger tube 5 and the
The junction of sleeve 2 all uses welded seal；
Second sleeve pipe 3 arranges the end of outer tube 4, and the second sleeve pipe 3 is used for connecting outer tube 4 and the first heat exchanger tube 5；
The junction of outer tube 4 and the second sleeve pipe 3 and the first heat exchanger tube 5 the most all use with the junction of the second sleeve pipe 3
Welded seal.
First sleeve 2 and the second sleeve pipe 3 are Steel material or other metal materials.
Second heat exchanger tube 51 can be as cold-producing medium or the circulation passage of the carbon dioxide of supertension, the first heat exchanger tube
Gap between 5 outer walls and outer tube 4 inwall is heat transfer fluid channels, and described heat exchanging fluid can be water, described
The tube wall of two sleeve pipes 3 is provided with through hole 31,32, and the through hole 31 on second sleeve pipe 3 in left side is water inlet,
Through hole 32 on second sleeve pipe 3 on right side is outlet；Or, the through hole 31 on second sleeve pipe 3 in left side
For outlet, the through hole 32 on second sleeve pipe 3 on right side is water inlet；The water flow direction in outer tube 4 and system
The carbon dioxide of cryogen or the supertension flow direction in the second heat exchanger tube 51 is contrary.
More preferably, as a kind of embodiment, described outer tube 4 and be placed in the inner tube quilt in described outer tube 4
Bending is laminated into track type, mosquito-repellent incense-shaped or cylinder.
The double pipe heat exchanger of the present embodiment, production technology is simple, heat transferring medium flow resistance is little, holds pressure
Power is high, and the first heat exchanger tube and outer tube can play double shielding effect, extend the life-span of heat exchanger tube, make set
Pipe heat exchanger is safer；Many second heat exchanger tube parallel connections can ensure that bigger heat exchange area, simultaneously
Reduce the resistance of its internal flow medium.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (4)
1. a double pipe heat exchanger, including outer tube and be placed in the inner tube in described outer tube, it is characterised in that:
Two more parallels that said inner tube includes the first heat exchanger tube, be placed in described first heat exchanger tube connect
Second heat exchanger tube and be filled in the heat-conducting medium between described first heat exchanger tube and the second heat exchanger tube, described
The cross sectional shape of the first heat exchanger tube is track type or described first heat exchanger tube is multi-start helical tubes；
Described double pipe heat exchanger also includes diverter, first sleeve and the second sleeve pipe, and described diverter is arranged
In the end of the second heat exchanger tube of said inner tube, connect between the second heat exchanger tube of two more parallels；
Described first sleeve is arranged on the end of the first heat exchanger tube of said inner tube, is used for connecting described diverter
With described first heat exchanger tube；The junction of described diverter and described first sleeve and described first heat exchanger tube with
The junction of described first sleeve all uses welded seal；
Described second sleeve pipe is arranged on the end of described outer tube, described second sleeve pipe be used for connecting described outer tube and
Described first heat exchanger tube；
The tube wall of described second sleeve pipe is provided with through hole, and described through hole is used for the heat exchanging fluid that circulates.
Double pipe heat exchanger the most according to claim 1, it is characterised in that:
The company of the junction of described outer tube and described second sleeve pipe and described first heat exchanger tube and described second sleeve pipe
The place of connecing the most all uses welded seal.
3. according to the double pipe heat exchanger described in any one of claim 1 to 2, it is characterised in that:
Described outer tube and the inner tube being placed in described outer tube are bent over being laminated into track type, mosquito-repellent incense-shaped or cylinder.
4. according to the double pipe heat exchanger described in any one of claim 1 to 2, it is characterised in that:
Described heat-conducting medium is heat conductive silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376600.9A CN103697724B (en) | 2012-09-27 | 2012-09-27 | Sleeve type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376600.9A CN103697724B (en) | 2012-09-27 | 2012-09-27 | Sleeve type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103697724A CN103697724A (en) | 2014-04-02 |
| CN103697724B true CN103697724B (en) | 2016-09-14 |
Family
ID=50359337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210376600.9A Active CN103697724B (en) | 2012-09-27 | 2012-09-27 | Sleeve type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103697724B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285563A (en) * | 2019-06-27 | 2019-09-27 | 海信（山东）空调有限公司 | A kind of air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201062928Y (en) * | 2007-07-11 | 2008-05-21 | 广东美的电器股份有限公司 | Double-walled double pipe heat exchanger |
| CN201181172Y (en) * | 2008-02-21 | 2009-01-14 | 广州泰菱科技研发有限公司 | Inner tube helical enhancement type casing tube heat exchanger |
| CN202274782U (en) * | 2011-09-21 | 2012-06-13 | 青岛奥利凯中央空调有限公司 | Novel telescopic heat exchanger |
| CN202902944U (en) * | 2012-09-27 | 2013-04-24 | 珠海格力电器股份有限公司 | Sleeve type heat exchanger |
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2012
- 2012-09-27 CN CN201210376600.9A patent/CN103697724B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103697724A (en) | 2014-04-02 |
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