CN207649173U - A kind of microchannel tubing heat exchanger - Google Patents
A kind of microchannel tubing heat exchanger Download PDFInfo
- Publication number
- CN207649173U CN207649173U CN201721697851.1U CN201721697851U CN207649173U CN 207649173 U CN207649173 U CN 207649173U CN 201721697851 U CN201721697851 U CN 201721697851U CN 207649173 U CN207649173 U CN 207649173U
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- CN
- China
- Prior art keywords
- heat exchanger
- microchannel
- inner tube
- tube
- dowel
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of microchannel tubing heat exchanger, end-fitting including heat exchanger tube and heat exchanger tube, heat exchanger tube includes outer wall and inner tube, inner tube is water stream channel, between outer wall and inner tube be equipped with it is multiple for refrigerant by microchannel, each microchannel is axially extending along inner tube, multiple microchannels are ranked sequentially setting around the periphery of inner tube, and two neighboring microchannel is not connected to, inner tube is equipped with dowel in the radial direction, and inner tube is divided into multiple pipelines by dowel, one end of end-fitting connects microchannel, the other end connects the refrigerant pipeline of cooling cycle system, microchannel is added significantly to refrigerant and the flow heat convection area of inner tube, so that heat exchange efficiency is high；Inner tube devises a plurality of dowel, and the heat convection area of water can be significantly increased in these dowels so that heat exchange efficiency is high, while can enhance the bending strength of pipeline, and pipeline is made to be not easy to flatten in bending.
Description
Technical field
The utility model is related to heat exchanger for refrigerating technical fields, and in particular to a kind of a kind of independently-powered micro-channel tubes
Road heat exchanger.
Background technology
In existing heat-pump hot-water unit, condenser is largely to use double pipe heat exchanger, double pipe heat exchanger master
It to be set in together by two pipelines；For inner tube using the larger helix tube of heat exchange area, refrigerant is in internal screwed pipe and outside
It is flowed in the interlayer of steel pipe or copper pipe, the outer surface of helix tube contacts refrigerant, and inner surface is contacted with recirculated water, refrigerant He Shui and spiral shell
Coil surface heat convection, the outer wall and inner wall of helix tube carry out heat transfer by screwed pipe metal.Outer tube and internal whorl pipe
General use is welded to connect.The end of casing can design various water routes and refrigerant connector.In double-tube heat exchanger, high temperature refrigerant
Gas can continuously decrease temperature until gas condenses in casing；The temperature of recirculated water can gradually rise reaches highest in outlet,
The effect of refrigerant condensation and circulating water heating is thereby realized, double pipe heat exchanger is in order to obtain larger heat exchange area needs
Inner tube is rolled into helix tube by special equipment, is inserted into outer tube later, being also needed in the end of pipe will by welding
Inner and outer pipes connection sealing, this heat exchanger complex manufacturing technology, the material of tubing is required it is very high, it is of high cost, easy in weld
Cracking and leakage, helix tube is very thin, in use perishable generation leakage.
Utility model content
The purpose of this utility model is that it is directed to deficiency in the prior art, and it is simple to provide a kind of structural manufacturing process, heat exchange
A kind of efficient microchannel tubing heat exchanger.
The purpose of this utility model is achieved through the following technical solutions：
A kind of microchannel tubing heat exchanger is provided, the end-fitting of heat exchanger tube and the heat exchanger tube is included,
The heat exchanger tube includes outer wall and inner tube, and said inner tube is water stream channel, is equipped between the outer wall and said inner tube more
It is a for refrigerant by microchannel, each microchannel is axially extending along said inner tube, and multiple microchannels surround
The periphery of said inner tube is ranked sequentially setting, and the two neighboring microchannel is not connected to, and said inner tube is set in the radial direction
There is dowel, and said inner tube is divided into multiple pipelines by the dowel, one end connection of the end-fitting is described micro- logical
Road, the other end connect the refrigerant pipeline of cooling cycle system.
Wherein, the dowel is equipped at least two, and two dowels are staggered.
Wherein, said inner tube is extended with water pipe joint, and the lateral surface of the water pipe joint is equipped with external screw thread, described
Water pipe joint is threadedly coupled with outer loop water pipe head.
Wherein, the section of the microchannel is rectangular, round, oval or polygon.
Wherein, the micro-channel heat exchanger can be bent by spiral bending tube as serpentine coil formula.
Wherein, the micro-channel heat exchanger is spiral or straight pipe type.
Wherein, the microchannel tubing heat exchanger extrusion moulding.
The beneficial effects of the utility model：A kind of microchannel tubing heat exchanger of the utility model, microchannel is significantly increased
The flow heat convection area of refrigerant and inner tube so that heat exchange efficiency is high；Inner tube devises a plurality of dowel, these dowels
The heat convection area of water can be significantly increased so that heat exchange efficiency is high, while can enhance the bending strength of pipeline, makes pipeline
It is not easy to flatten in bending.
Description of the drawings
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of microchannel tubing heat exchanger of the utility model.
Fig. 2 is the A-A views in Fig. 1.
Include in Fig. 1-Fig. 2：
Heat exchanger tube 1, outer wall 10, inner tube 11, water pipe joint 12, dowel 13, microchannel 14, end-fitting 2.
Specific implementation mode
The utility model is further described with the following Examples.
A kind of specific implementation mode of 14 tube heat exchanger of microchannel of the utility model, as Figure 1-Figure 2, described one
Kind 14 tube heat exchanger of microchannel includes the end-fitting 2 of heat exchanger tube 1 and the heat exchanger tube 1, the heat exchanger
Pipeline 1 includes outer wall 10 and inner tube 11, and said inner tube 11 is water stream channel, and said inner tube 11 is extended with water pipe joint 12, institute
The lateral surface for stating water pipe joint 12 is equipped with external screw thread, and the external screw thread is mechanical processing connection screw thread, the water pipe connection
First 12 are threadedly coupled with outer loop water pipe head, prevent from revealing, and water route flows into said inner tube by outer loop water pipe head
In 11, said inner tube 11 in the radial direction be equipped with dowel 13, and the dowel 13 said inner tube 11 is divided into it is multiple
Pipeline, the dowel 13 are equipped at least two, and two dowels 13 are staggered, in the present embodiment, described in two
Dowel 13 is cross or arranged in a crossed manner, and the dowel 13, which is arranged, can be significantly increased the heat convection area of water so that change
The thermal efficiency is high, while can enhance the bending strength of pipeline, and pipeline is made to be not easy to flatten in bending.
Between the outer wall 10 and said inner tube 11 be equipped with it is multiple for refrigerant by microchannel 14, the microchannel 14
Section be rectangular, round, oval or polygon, each microchannel 14 is axially extending along said inner tube 11, multiple
The microchannel 14 is ranked sequentially setting around the periphery of said inner tube 11, and the two neighboring microchannel 14 is not connected to, if
Set the flow heat convection area that the microchannel 14 is added significantly to refrigerant and said inner tube 11 so that heat exchange efficiency is high, institute
The one end for stating end-fitting 2 connects the microchannel 14, and the other end connects the refrigerant pipeline of cooling cycle system, and refrigerant passes through institute
It states end-fitting 2 to be connected to the refrigerant pipeline of the cooling cycle system, when high temperature refrigerant gas flows in the microchannel 14
Out-of-date, the recirculated water in said inner tube 11 will be with refrigerant reverse flow, refrigerant and recirculated water and tube wall heat convection, refrigerant temperature
Reduction is condensed into liquid, and circulating water temperature, which increases, flows out 14 tube heat exchanger of microchannel, in this way, 14 pipeline of the microchannel changes
Hot device, which is achieved that, to be condensed high temperature refrigerant and by the purpose of circulating water heating.
The heat exchanger tube 1 can be bent by spiral bending tube, and the present embodiment includes single system pipe heat exchanger
With dual system pipe heat exchanger, the single system pipe heat exchanger is that a heat exchanger tube 1 passes through the spiral bending tube
It carries out bending serpentine coil formula, or is spiral or straight pipe type；The dual system pipe heat exchanger will for the spiral bending tube
Two independent tube bendings carry out bending snake by the spiral bending tube at two independent 14 pipeline exchangers of microchannel processed
Shape coiled, or be spiral or straight pipe type.
14 tube heat exchanger of the microchannel is metal extrusion moulding, specially aluminium and its alloy or copper and its alloy or titanium
And its alloy, by extrusion molding so that whole pipeline is a metal entirety, the coefficient of heat conduction of metallic copper, aluminium and titanium is all relatively
Height, the heat conduction efficiency between pipeline inside 14 surface of microchannel and 11 surface of said inner tube equally can be high.In addition, described
There is enough thickness, it is ensured that the bearing capacity of various refrigerants between microchannel 14 and said inner tube 11.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail to the utility model with reference to preferred embodiment, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this
The spirit and scope of utility model technical solution.
Claims (7)
1. a kind of microchannel tubing heat exchanger, it is characterised in that：End including heat exchanger tube and the heat exchanger tube
Connector, the heat exchanger tube include outer wall and inner tube, and said inner tube is water stream channel, is set between the outer wall and said inner tube
Have it is multiple for refrigerant by microchannel, each microchannel is axially extending along said inner tube, multiple microchannels
It is ranked sequentially setting around the periphery of said inner tube, and the two neighboring microchannel is not connected to, said inner tube is in radial direction
It is equipped with dowel, and said inner tube is divided into multiple pipelines by the dowel, described in one end connection of the end-fitting
Microchannel, the other end connect the refrigerant pipeline of cooling cycle system.
2. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：The dowel is equipped at least two
A, two dowels are staggered.
3. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：Said inner tube is extended with water pipe company
The lateral surface of connector, the water pipe joint is equipped with external screw thread, the water pipe joint and outer loop water pipe head screw thread
Connection.
4. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：The section of the microchannel is side
Shape, circle, ellipse or polygon.
5. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：The micro-channel heat exchanger can
It is bent as serpentine coil formula by spiral bending tube.
6. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：The micro-channel heat exchanger is spiral shell
Rotating or straight pipe type.
7. a kind of microchannel tubing heat exchanger according to claim 1, it is characterised in that：The microchannel tubing heat exchanger
Extrusion moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697851.1U CN207649173U (en) | 2017-12-08 | 2017-12-08 | A kind of microchannel tubing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721697851.1U CN207649173U (en) | 2017-12-08 | 2017-12-08 | A kind of microchannel tubing heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649173U true CN207649173U (en) | 2018-07-24 |
Family
ID=62879363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721697851.1U Active CN207649173U (en) | 2017-12-08 | 2017-12-08 | A kind of microchannel tubing heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084394A (en) * | 2018-08-22 | 2018-12-25 | 重庆大学 | A kind of fresh air preheating device |
-
2017
- 2017-12-08 CN CN201721697851.1U patent/CN207649173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084394A (en) * | 2018-08-22 | 2018-12-25 | 重庆大学 | A kind of fresh air preheating device |
| CN109084394B (en) * | 2018-08-22 | 2023-11-17 | 重庆大学 | Fresh air preheating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 No. 125, CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong (in the core area of Zengcheng economic and Technological Development Zone) Patentee after: Guangdong Newente New Energy Technology Co.,Ltd. Country or region after: China Address before: No.125 CHUANGYOU Road, Xintang Town, Zengcheng, Guangzhou, Guangdong 511340 (in the core area of Zengcheng economic and Technological Development Zone) Patentee before: GUANGDONG NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |