CN207963564U - A kind of double-tube heat exchanger - Google Patents
A kind of double-tube heat exchanger Download PDFInfo
- Publication number
- CN207963564U CN207963564U CN201820294857.2U CN201820294857U CN207963564U CN 207963564 U CN207963564 U CN 207963564U CN 201820294857 U CN201820294857 U CN 201820294857U CN 207963564 U CN207963564 U CN 207963564U
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- Prior art keywords
- pipe fitting
- heat exchanger
- shell
- double
- pipe
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Abstract
The utility model discloses a kind of double-tube heat exchangers, including being vertically arranged and the cylindrical shell of inner hollow, it is provided with multiple tubing element in the shell, and the upper and lower side of the every pipe fitting connect and runs through with the shell both ends respectively, the position close to its both ends of the housing sidewall is respectively equipped with one and its internal interface being connected to, two closing in parts and multiple tubing element combine to form first passage, the cavity being enclosed between the shell and pipe fitting and two combination of interfaces form second channel, fluid in the first passage and second channel carries out heat exchange between each other；The pipe fitting is circle, and the periphery of the every pipe fitting is circumferentially-spaced respectively uniformly is radially externally provided with multiple outer heat exchanger fins, and each outer heat exchanger fin extends respectively along the tubular length direction and the both ends of the close pipe fitting.Outer heat exchanger fin is set along its length by the outer wall in pipe fitting so that exchange heat between the fluid in first passage and second channel more fully.
Description
Technical field
The utility model belongs to heat-exchanger rig field more particularly to a kind of double-tube heat exchanger.
Background technology
The type of existing double-tube heat exchanger is various, but its heat exchange efficiency is low, the fluid being discharged through heat exchanger heat medium passage
Contained in heat it is still relatively high.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of novel double-tube heat exchanger,
Heat exchange efficiency is high, and the temperature difference of the fluid and refrigerant passage inlet fluid of heat medium passage fluid outlet is minimum.
To achieve the goals above, the technical solution of the utility model is：A kind of double-tube heat exchanger, including be vertically arranged and
The cylindrical shell of inner hollow, the upper and lower side of the shell is coaxially arranged with tubaeform closing in parts respectively, described in two
The opening of closing in parts is coaxially connected with the corresponding end of the shell respectively compared with big end, and the opening small end of the closing in parts is used respectively
With connecting pipe, multiple tubing element is vertically equipped in the shell, and the both ends of the every pipe fitting are each passed through the shell
Upper and lower side, and be connected to respectively with the inside of two closing in parts, the housing sidewall is set respectively close to the position of its upper and lower side
There are one the interfaces being connected to its inside, and two closing in parts and multiple tubing element combine to form first passage, in the shell
The second channel with two orifices is formed between portion and the pipe fitting；
The pipe fitting is pipe, and the outer surface of the every pipe fitting is circumferentially-spaced uniformly equipped with multiple outer along its respectively
The both ends of heat exchanger fin, each outer heat exchanger fin extend to the both ends of the pipe fitting along the tubular length direction respectively.
The advantageous effect of above-mentioned technical proposal is：By the outer wall in pipe fitting, outer heat exchanger fin is set along its length,
So that exchanging heat between fluid in first passage and second channel more fully.
The each side of the outer heat exchanger fin far from the pipe fitting is equipped with the heat exchange slot of U-shaped, institute in above-mentioned technical proposal
It states heat exchange slot notch and deviates from the pipe fitting, the both ends of the heat exchange slot extend to the pipe fitting along the tubular length direction respectively
Both ends.
The advantageous effect of above-mentioned technical proposal is, U-lag is arranged in the side of the separate pipe fitting of outer heat exchanger fin, can be into one
The heat exchange efficiency of step improved in first passage and second channel between fluid.
In above-mentioned technical proposal the inner wall of each pipe fitting along its it is circumferentially-spaced uniformly be equipped with multiple interior heat exchanger fins,
The both ends of each interior heat exchanger fin extend to the both ends of pipe fitting along the tubular length direction respectively.
The advantageous effect of above-mentioned technical proposal is that the heat exchanger fin in the setting of the inside of pipe fitting can be improved further
Heat exchange efficiency in first passage and second channel between fluid.
In above-mentioned technical proposal more the pipe fitting is corrugated or spiral distribution is in shell.
The advantageous effect of above-mentioned technical proposal is that corrugated or helical form, which is arranged, in pipe fitting can extend the length of pipe fitting
Degree so that fluid can carry out the heat exchange of longer time in shell in pipe fitting.
Position in shell described in above-mentioned technical proposal between two interfaces is equipped at intervals with more from up to down
The enclosure interior is separated into multiple chambers by block partition board, multiple partition boards；The every pipe fitting run through it is multiple it is described every
Plate；The edge of each partition board is respectively equipped with a notch, and adjacent two chambers are connected to.
The advantageous effect of above-mentioned technical proposal is that setting partition board can make the fluid in second channel be flowed in shell
Dynamic distance is elongated, to improve heat transfer effect.
The notch of two adjacent partition boards is interspersed in the both sides of the enclosure interior in above-mentioned technical proposal, so that institute
The undulate in shell of the fluid in second channel is stated to flow up.
The advantageous effect of above-mentioned technical proposal is, partition board is arranged and is oppositely arranged the notch of adjacent separator so that the
The time that fluid in two channels flows in shell is longer, and stroke is farther, can further improve the heat exchange efficiency of heat exchanger.
One layer of heat preservation layer is enclosed on the outer wall of shell described in above-mentioned technical proposal.
The advantageous effect of above-mentioned technical proposal is that setting insulating layer reduces the loss of the heat of heat exchanger.
Description of the drawings
Fig. 1：For the structure diagram of the utility model embodiment described sleeve pipe heat exchanger；
Fig. 2：For pipe fitting described in the utility model embodiment, the structure diagram of outer heat exchanger fin, interior heat exchanger fin and the slot that exchanges heat.
In figure：1 shell, 2 closing in parts, 3 pipe fittings, 31 outer heat exchanger fins, 32 heat exchange slots, heat exchanger fin, 4 interfaces in 33.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figs. 1-2, a kind of double-tube heat exchanger is present embodiments provided, including is vertically arranged and the cylinder of inner hollow
The shell 1 of shape, the upper and lower side of the shell 1 are coaxially arranged with tubaeform closing in parts 2 respectively, and two closing in parts 2 are opened
Mouth is coaxially connected with the corresponding end of the shell 1 respectively compared with big end, and the opening small end of the closing in parts 2 is respectively to communicating pipe
Road, is vertically equipped with multiple tubing element 3 in the shell 1, and the both ends of the every pipe fitting 3 be each passed through the shell 1 up and down
End, and be connected to respectively with the inside of two closing in parts 2,1 side wall of the shell is respectively equipped with close to the position of its upper and lower side
One forms first passage, the shell 1 with its internal interface 4 being connected to, two closing in parts 2 and the combination of multiple tubing element 3
Internal that the second channel being connected to two interfaces 4 is formed between the pipe fitting 3, the wherein fluid in first passage and second leads to
Fluid in road carries out heat exchange each other；
The pipe fitting 3 is pipe, and the outer surface of the every pipe fitting 3 is circumferentially-spaced uniformly equipped with multiple along its respectively
The both ends of outer heat exchanger fin 31, each outer heat exchanger fin 31 extend to the two of the pipe fitting 3 along 3 length direction of the pipe fitting respectively
End.By the outer wall in pipe fitting 3, outer heat exchanger fin is set along its length so that fluid in first passage and second channel it
Between exchange heat more fully.
Each 31 side far from the pipe fitting 3 of the outer heat exchanger fin is equipped with the heat exchange slot 32 of U-shaped, institute in the present embodiment
It states heat exchange 32 notch of slot and deviates from the pipe fitting 3, the both ends of the heat exchange slot 32 extend to institute along 3 length direction of the pipe fitting respectively
State the both ends of pipe fitting 3.U-lag is set in the side of the separate pipe fitting of outer heat exchanger fin, can further improve first passage and the
Heat exchange efficiency between two inner fluid passages.
Certain shell and the column construction that can also be other shapes rule.And the pipe fitting preferably uses and meets intensity
Precondition under, it is thin as possible so that heat exchange efficiency raising as well as possible, and preferred pipe fitting, interior heat exchanger fin, outer heat exchanger fin
It is made of stainless steel with heat exchange slot, certain pipe fitting, interior heat exchanger fin, outer heat exchanger fin and heat exchange slot can integrated extrusion moldings.
In the present embodiment the inner wall of each pipe fitting 3 along its it is circumferentially-spaced uniformly be equipped with multiple interior heat exchanger fins 33,
The both ends of each interior heat exchanger fin 33 extend to the both ends of pipe fitting 3 along 3 length direction of the pipe fitting respectively.In the inside of pipe fitting
Heat exchanger fin in setting, can further improve the heat exchange efficiency in first passage and second channel between fluid.
The more pipe fittings 3 are corrugated in the present embodiment or spiral distribution is in shell 1, it is preferred that described in every
The length of pipe fitting 3 is consistent.Corrugated or helical form, which is arranged, in pipe fitting can extend the length of pipe fitting so that fluid is in shell in pipe fitting
The heat exchange of longer time can be carried out in vivo.
The position being located in shell 1 described in the present embodiment between two interfaces 4 is equipped at intervals with polylith from up to down
Partition board, multiple partition boards will be separated into multiple chambers inside the shell 1；The every pipe fitting 3 run through it is multiple it is described every
Plate；The edge of each partition board is respectively equipped with a notch, adjacent two chambers is connected to, the notch of adjacent two partition boards
Be interspersed in the both sides of the enclosure interior so that the fluid in the second channel in shell 1 undulate to upstream
It is dynamic.Partition board is set and is oppositely arranged the notch of adjacent separator so that the time that the fluid in second channel flows in shell
Longer, stroke is farther, can further improve the heat exchange efficiency of heat exchanger.
One layer of heat preservation layer is enclosed on the outer wall of shell 1 described in the present embodiment.Preferably, bubble can be used in the insulating layer
Foam or heat insulation foam are made, and can not only keep the temperature, and are also prevented from worker and are scalded by shell.Insulating layer is set and reduces heat exchanger
The loss of heat.The length of the shell 1 is 3 times or more of its diameter.Heat exchange efficiency can effectively be improved.
Wherein, the shell in the present embodiment is preferably made of metal material, and aluminum alloy material preferably may be used and be made,
Its light intensity is good.
Wherein, first passage is as heat medium passage, then second channel is as refrigerant passage, and the fluid in heat medium passage is by upper
It flows downward, and the fluid in refrigerant passage flows from bottom to top, the two mutually carries out heat exchange, and heat exchange is more abundant, when
The distance being spaced between right partition board can also be as possible diminution, the partition boards that are arranged then further improve fluid in refrigerant passage more
Stroke.Be distributed in shell since pipe fitting is all made of spiral or corrugated, and partition board be set in shell, can by heat medium passage and
The stroke of refrigerant passage extends, but can greatly compress the length of entire double-tube heat exchanger simultaneously, reduces volume so that it is changed
Thermal effect significantly improves.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of double-tube heat exchanger, which is characterized in that described including being vertically arranged and the cylindrical shell (1) of inner hollow
The upper and lower side of shell (1) is coaxially arranged with tubaeform closing in parts (2) respectively, and the opening of two closing in parts (2) is compared with big end
Coaxially be connected with the corresponding end of the shell (1) respectively, the opening small ends of the closing in parts (2) respectively to connecting pipe,
Multiple tubing element (3) is vertically equipped in the shell (1), and the both ends of the every pipe fitting (3) are each passed through the shell (1)
Upper and lower side, and be connected to respectively with the inside of two closing in parts (2), shell (1) side wall is close to the position of its upper and lower side
It is respectively equipped with one and its internal interface (4) being connected to, two closing in parts (2) and multiple tubing element (3) combination form first
Channel, the second channel that the shell (1) is internal with formation is connected to two interfaces (4) between the pipe fitting (3)；
The pipe fitting (3) is pipe, and the outer surface of the every pipe fitting (3) is circumferentially-spaced uniformly equipped with multiple along its respectively
The both ends of outer heat exchanger fin (31), each outer heat exchanger fin (31) extend to the pipe along the pipe fitting (3) length direction respectively
The both ends of part (3).
2. double-tube heat exchanger according to claim 1, which is characterized in that each outer heat exchanger fin (31) is far from the pipe
The side of part (3) is equipped with the heat exchange slot (32) of U-shaped, and heat exchange slot (32) notch deviates from the pipe fitting (3), the heat exchange slot
(32) both ends extend to the both ends of the pipe fitting (3) along the pipe fitting (3) length direction respectively.
3. double-tube heat exchanger according to claim 2, which is characterized in that the inner wall of each pipe fitting (3) is along its week
Multiple interior heat exchanger fins (33) are equipped with to evenly spaced, the both ends of each interior heat exchanger fin (33) are respectively along the pipe fitting (3)
Length direction extends to the both ends of pipe fitting (3).
4. double-tube heat exchanger according to any one of claim 1-3, which is characterized in that the more pipe fittings (3) are in wave
Line shape or spiral distribution are in shell (1).
5. double-tube heat exchanger according to claim 4, which is characterized in that be located at two interfaces in the shell (1)
(4) position between is equipped at intervals with polylith partition board from up to down, and multiple partition boards will be separated into multiple inside the shell (1)
Chamber；The every pipe fitting (3) runs through multiple partition boards；The edge of each partition board is respectively equipped with a notch, by phase
Adjacent two chambers connection.
6. double-tube heat exchanger according to claim 5, which is characterized in that the notch of two adjacent partition boards is interspersed
The both sides of the enclosure interior, so that the fluid in the second channel is flowed up in shell (1) interior undulate.
7. double-tube heat exchanger according to claim 5, which is characterized in that be enclosed with one layer of guarantor on shell (1) outer wall
Warm layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294857.2U CN207963564U (en) | 2018-03-02 | 2018-03-02 | A kind of double-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294857.2U CN207963564U (en) | 2018-03-02 | 2018-03-02 | A kind of double-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207963564U true CN207963564U (en) | 2018-10-12 |
Family
ID=63740707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820294857.2U Expired - Fee Related CN207963564U (en) | 2018-03-02 | 2018-03-02 | A kind of double-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207963564U (en) |
-
2018
- 2018-03-02 CN CN201820294857.2U patent/CN207963564U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |