CN207501746U - A kind of double-tube type heat exchanger - Google Patents
A kind of double-tube type heat exchanger Download PDFInfo
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- CN207501746U CN207501746U CN201721483959.0U CN201721483959U CN207501746U CN 207501746 U CN207501746 U CN 207501746U CN 201721483959 U CN201721483959 U CN 201721483959U CN 207501746 U CN207501746 U CN 207501746U
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- China
- Prior art keywords
- heat exchange
- exchange pipeline
- shell
- heat exchanger
- pipeline
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Abstract
The utility model is related to a kind of double-tube type heat exchangers, and including shell, installation is for by the first heat exchange pipeline of first fluid and the second heat exchange pipeline for passing through second fluid, aforementioned second heat exchange pipeline to assume a ring of encirclement around the first heat exchange pipeline in shell；Heat exchange pipeline intermeshes in the utility model, and thermal compensation is good, while easy access and cleaning, simple in structure, low cost.
Description
Technical field
The utility model is related to a kind of double-tube type heat exchangers, belong to field of heat exchangers.
Background technology
Heat exchanger be it is a kind of between two or more fluid of different temperatures realize material between heat transfer section
Energy equipment, is that heat is made to pass to the relatively low fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while is also one of capital equipment for improving energy utilization rate.
Heat exchanger industry is related to nearly 30 multi industries such as HVAC, pressure vessel, sewerage disposing equipment, chemical industry, oil, mutually
Form industry chain (supply chain).Data show that Chinese heat exchanger industrial market scale in 2010 at 50,000,000,000 yuan or so, focuses primarily upon stone
The fields such as oil, chemical industry, metallurgy, electric power, ship, central heating, refrigeration air-conditioner, machinery, food, pharmacy.Wherein, petrochemical industry is led
Domain is still the market of heat exchanger industry maximum, and market scale is 15,000,000,000 yuan；Electric power field of metallurgy heat exchanger market scale exists
8000000000 yuan or so；Shipping industry heat exchanger market scale is at 4,000,000,000 yuan or more；Mechanical industry heat exchanger market scale is about 4,000,000,000
Member；For central heating industry heat exchanger market scale more than 3,000,000,000 yuan, food industry also has nearly 3,000,000,000 yuan of market.In addition, space flight
The fields such as aircraft, semiconductor devices, nuclear power conventional island nuclear island, wind power generating set, solar energy power generating, production of polysilicon
It is required for a large amount of professional heat exchanger, there are about 13,000,000,000 yuan of scales in these markets.Domestic heat exchanger industry in energy efficiency, carry
The research of high heat transfer efficiency, reduction heat transfer area, reduction pressure drop, raising device calorific intensity etc. achieves important achievement.Base
In the demand growth that the industries heat exchanging such as oil, chemical industry, electric power, metallurgy, ship, machinery, food, pharmacy device is stablized, China changes
Hot device industry will keep steady growth within following one period, and period, China's heat exchanger industry will protect to 2020 within 2011
The speed for holding average annual 10-15% or so increases, and is expected to reach 150,000,000,000 yuan to the year two thousand twenty China heat exchanger industry scale.
Present most common heat exchanger is U-shaped pipe heat exchanger, and such as application No. is 201320613402.X, entitled
" a kind of double-tube type heat exchanger and refrigerating circulatory device ", the refrigerating circulatory device of the utility model has：Inner tube, first fluid
Pass through inside it；Outer tube, diameter is bigger than inner tube and covering inner tube, second fluid pass through its space between inner tube；Heat transfer
Area enlarged tube is set in the pipe circumferential direction in the interior side contacts portion in space, becoming the part contacted with the outer wall of inner tube
Outside contact site of the length than becoming the part contacted with the inner wall of outer tube pipe circumferential direction on length it is long, in addition, having
Fin part on pipe cross section between the outside contact site in transversal space and interior side contacts portion is to be less than 90 ° of angle from inclination
The convex-concave profile that direction is contacted with the outer wall of inner tube and the inner wall of outer tube, external side joint contact portion and interior side contacts portion are brazed,
The purpose of this utility model is to obtain the double-tube type heat exchanger and refrigerating circulatory device that can improve to excellent in efficiency heat transfer property；
Application No. is 00814815.5, entitled " arrangement in pipe heat exchanger ", the pipe heat exchanger
With multiple heat-transfer pipes surrounded by shell.The heat-transfer pipe is fixed in each of which end on tube sheet, is formed in this way
One flow channels.Flow channels are connected so as to form first running system by elbow.Pass through socket joint
Pipe connects two adjacent shells so as to form second running system.The arrangement includes a spring
Group, the groups of springs are located at least one end of heat-transfer pipe.One power F is axially applied on heat-transfer pipe by groups of springs.Cause
Heat-transfer pipe holding is spaced from each other for power F and makes heat-transfer pipe and the inner wall of shell is maintained spaced apart by, it is not required that using baffle
Heat-transfer pipe is supported.Therefore regeneration heat transfer, i.e. the first and second running systems can be carried out using pipe heat exchanger all
It may include product.
But cleaning is inconvenient in above-mentioned pipe heat exchanger pipe, the pipe for restraining middle section is difficult to replace, due to tube bank
Less, there are gaps for tube bank central part so that shell fluid is easy to short circuit and influences shell side heat exchange.
Utility model content
The utility model provides a kind of double-tube type heat exchanger, and interior heat exchange pipeline intermeshes, and thermal compensation is good, simultaneously
Easy access and cleaning, simple in structure, low cost.
Technical solution is used by the utility model solves its technical problem：
A kind of double-tube type heat exchanger including shell, installs the first heat exchanger tube being used for through first fluid in shell
Road and the second heat exchange pipeline for passing through second fluid, aforementioned second heat exchange pipeline are formed around the first heat exchange pipeline and are surrounded
Circle；
First heat exchange pipeline includes multiple first U-shaped pipes, and multiple first U-shaped pipes are sequentially connected end to end, shape
Into the first heat exchange pipeline of S types, and the horizontal pipeline laying parallel with the horizontal direction of shell of aforementioned first U-shaped pipe；
Second heat exchange pipeline includes multiple second U-shaped pipes, and multiple second U-shaped pipes are sequentially connected end to end, shape
Into the second heat exchange pipeline of S types, the S types of the second heat exchange pipeline are wound around the first heat exchange pipeline, and aforementioned second U-shaped pipe
Horizontal pipeline laying parallel with the vertical direction of shell；
As the further preferred of the utility model, the first air inlet is opened up in the side of shell, opposite side opens up
One gas outlet, the entrance of the first heat exchange pipeline are connected with the first air inlet, and outlet is connected with the first gas outlet；
As the further preferred of the utility model, multiple first U-shaped pipes pass through the first connecting pipe sequentially phase end to end
Even, the first aforementioned connecting pipe is the detachable crooked pipeline with radian so that the first U-shaped pipe is smoothly connected phase end to end
It is logical；
As the further preferred of the utility model, the second air inlet is opened up in the side of shell, opposite side opens up
Two gas outlets, the entrance of the second heat exchange pipeline are connected with the second air inlet, and outlet is connected with the second gas outlet；
As the further preferred of the utility model, multiple second U-shaped pipes pass through the second connecting pipe sequentially phase end to end
Even, the second aforementioned connecting pipe is the detachable crooked pipeline with radian so that the second U-shaped pipe is smoothly connected phase end to end
It is logical；
As the further preferred of the utility model, aforementioned first air inlet is sequentially arranged same in shell with the second air inlet
Side, the first gas outlet are sequentially arranged with the second gas outlet in shell opposite side.
By above technical scheme, relative to the prior art, the utility model has the advantages that：
Heat exchange pipeline intermeshes in the utility model, will not generate thermal stress due to the temperature difference between shell, so as to heat
It is compensatory good；
The utility model tube side is two-tube-pass, and flow is longer, and flow velocity is higher, and heat transfer property is preferable, and bearing capacity is strong；
The utility model tube bank can extract easy access and cleaning, and simple in structure, low cost out out of housing.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the preferred embodiment of the utility model；
Fig. 2 is the structure diagram of the first heat exchange pipeline of the preferred embodiment of the utility model；
Fig. 3 is the structure diagram of the second heat exchange pipeline of the preferred embodiment of the utility model.
In figure：1 be the first heat exchange pipeline, 2 be the second heat exchange pipeline, 3 be the first U-shaped pipe, 4 be the second U-shaped pipe, 5
It is the second U-shaped pipe for the first connecting pipe, 6,7 be shell.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
As shown in Figure 1-Figure 3, the utility model includes following technical characteristic：First heat exchange pipeline 1, the second heat exchanger tube 2,
First U-shaped pipe 3, the second U-shaped pipe 4, the first connecting pipe 5, the second U-shaped pipe 6, shell 7.
A kind of double-tube type heat exchanger of the utility model including shell, is installed to pass through first fluid in shell
The first heat exchange pipeline and the second heat exchange pipeline for passing through second fluid, aforementioned second heat exchange pipeline is around the first heat exchanger tube
Road assumes a ring of encirclement；Pipeline intermeshes, and thermal stress will not be generated due to the temperature difference between shell, so as to improve thermal compensation.
First heat exchange pipeline includes multiple first U-shaped pipes, and multiple first U-shaped pipes are sequentially connected end to end, shape
Into the first heat exchange pipeline of S types, and the horizontal pipeline laying parallel with the horizontal direction of shell of aforementioned first U-shaped pipe；
Second heat exchange pipeline includes multiple second U-shaped pipes, and multiple second U-shaped pipes are sequentially connected end to end, shape
Into the second heat exchange pipeline of S types, the S types of the second heat exchange pipeline are wound around the first heat exchange pipeline, and aforementioned second U-shaped pipe
Horizontal pipeline laying parallel with the vertical direction of shell；
As the further preferred of the utility model, the first air inlet is opened up in the side of shell, opposite side opens up
One gas outlet, the entrance of the first heat exchange pipeline are connected with the first air inlet, and outlet is connected with the first gas outlet；
As the further preferred of the utility model, multiple first U-shaped pipes pass through the first connecting pipe sequentially phase end to end
Even, the first aforementioned connecting pipe is the detachable crooked pipeline with radian so that the first U-shaped pipe is smoothly connected phase end to end
It is logical；The setting of first connecting pipe, during convenient for Cleaning pipes, directly remove the first connecting pipe can to the first U-shaped pipe into
Row cleaning.
As the further preferred of the utility model, the second air inlet is opened up in the side of shell, opposite side opens up
Two gas outlets, the entrance of the second heat exchange pipeline are connected with the second air inlet, and outlet is connected with the second gas outlet；
As the further preferred of the utility model, multiple second U-shaped pipes pass through the second connecting pipe sequentially phase end to end
Even, the second aforementioned connecting pipe is the detachable crooked pipeline with radian so that the second U-shaped pipe is smoothly connected phase end to end
It is logical；The setting of second connecting pipe, during convenient for Cleaning pipes, directly remove the second connecting pipe can to the second U-shaped pipe into
Row cleaning.
As the further preferred of the utility model, aforementioned first air inlet is sequentially arranged same in shell with the second air inlet
Side, the first gas outlet are sequentially arranged with the second gas outlet in shell opposite side.
During practical operation, the first fluid is entered by the first air inlet, is circulated in the first heat exchange pipeline, finally by first
Gas outlet is discharged, and second of fluid is entered by the second air inlet, circulated in the second heat exchange pipeline, is finally arranged by the second gas outlet
Go out, complete heat exchange operation.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With the identical meaning of the general understanding with the those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
The meaning of "and/or" described herein refers to that the simultaneous situation of respective individualism or both is wrapped
Including including.
The meaning of " connection " described herein can be between component to be directly connected to can also pass through between component
Other components are indirectly connected with.
Using the above-mentioned desirable embodiment according to the utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to novel technical scope on specification, it is necessary to which its technology is determined according to right
Property range.
Claims (6)
1. a kind of double-tube type heat exchanger, it is characterised in that：Including shell, in shell installation be used for the by first fluid
One heat exchange pipeline and the second heat exchange pipeline for passing through second fluid, aforementioned second heat exchange pipeline is around the first heat exchange pipeline shape
Into the ring of encirclement；
First heat exchange pipeline includes multiple first U-shaped pipes, and multiple first U-shaped pipes are sequentially connected end to end, forms S types
The first heat exchange pipeline, and the horizontal pipeline laying parallel with the horizontal direction of shell of aforementioned first U-shaped pipe；
Second heat exchange pipeline includes multiple second U-shaped pipes, and multiple second U-shaped pipes are sequentially connected end to end, forms S types
The second heat exchange pipeline, the S types of the second heat exchange pipeline are wound around the first heat exchange pipeline, and the transverse direction of aforementioned second U-shaped pipe
Pipeline laying parallel with the vertical direction of shell.
2. double-tube type heat exchanger according to claim 1, it is characterised in that：The first air inlet is opened up in the side of shell
Mouthful, opposite side opens up the first gas outlet, and the entrance of the first heat exchange pipeline is connected with the first air inlet, outlet and the first outlet
Mouth connection.
3. double-tube type heat exchanger according to claim 1, it is characterised in that：Multiple first U-shaped pipes pass through end to end
One connecting pipe is sequentially connected, and the first aforementioned connecting pipe is the detachable crooked pipeline with radian so that the first U-shaped pipe
It is smoothly connected and communicates end to end.
4. double-tube type heat exchanger according to claim 2, it is characterised in that：The second air inlet is opened up in the side of shell
Mouthful, opposite side opens up the second gas outlet, and the entrance of the second heat exchange pipeline is connected with the second air inlet, outlet and the second outlet
Mouth connection.
5. double-tube type heat exchanger according to claim 1, it is characterised in that：Multiple second U-shaped pipes pass through end to end
Two connecting pipes are sequentially connected, and the second aforementioned connecting pipe is the detachable crooked pipeline with radian so that the second U-shaped pipe
It is smoothly connected and communicates end to end.
6. double-tube type heat exchanger according to claim 4, it is characterised in that：Aforementioned first air inlet and the second air inlet
It is sequentially arranged in shell the same side, the first gas outlet is sequentially arranged with the second gas outlet in shell opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483959.0U CN207501746U (en) | 2017-11-09 | 2017-11-09 | A kind of double-tube type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483959.0U CN207501746U (en) | 2017-11-09 | 2017-11-09 | A kind of double-tube type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207501746U true CN207501746U (en) | 2018-06-15 |
Family
ID=62503724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483959.0U Expired - Fee Related CN207501746U (en) | 2017-11-09 | 2017-11-09 | A kind of double-tube type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207501746U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645246A (en) * | 2018-06-27 | 2018-10-12 | 广州航海学院 | A kind of heat exchanger |
| CN108759515A (en) * | 2018-07-03 | 2018-11-06 | 江苏中伟机械制造有限公司 | A kind of novel heat exchange container |
| CN111721148A (en) * | 2020-07-13 | 2020-09-29 | 李云 | Tubular heat exchanger |
-
2017
- 2017-11-09 CN CN201721483959.0U patent/CN207501746U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645246A (en) * | 2018-06-27 | 2018-10-12 | 广州航海学院 | A kind of heat exchanger |
| CN108759515A (en) * | 2018-07-03 | 2018-11-06 | 江苏中伟机械制造有限公司 | A kind of novel heat exchange container |
| CN111721148A (en) * | 2020-07-13 | 2020-09-29 | 李云 | Tubular heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180615 Termination date: 20191109 |