CN208780005U - A kind of evaporating heat-exchanging pipe - Google Patents
A kind of evaporating heat-exchanging pipe Download PDFInfo
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- CN208780005U CN208780005U CN201821324292.4U CN201821324292U CN208780005U CN 208780005 U CN208780005 U CN 208780005U CN 201821324292 U CN201821324292 U CN 201821324292U CN 208780005 U CN208780005 U CN 208780005U
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- tube body
- radiating fin
- bubbles
- nuclei
- exchanging pipe
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Abstract
The utility model discloses a kind of evaporating heat-exchanging pipes, it is related to field of refrigeration equipment, it includes tube body and radiating fin, radiating fin is fixed on the outer wall of tube body, multi-disc radiating fin is arranged at equal intervals along the axis direction of tube body to form the first heat exchange chamber, nuclei of bubbles protrusion there are two being set between the two neighboring radiating fin of tube body axis direction, two nuclei of bubbles bulge clearance settings and the setting of top opposite tilt, to form the second heat exchange chamber, in unit time, the bubbles number that refrigerant is formed outside tube body increases, and the bubble formed is easily separated from tube surfaces, take away amount of heat, new refrigerant adds to the position of Primordial Qi bubble, realize the cooling purpose of refrigerant circulation, improve the heat exchange efficiency on the outside of evaporating heat-exchanging pipe, shape of threads internal tooth is equipped in the inner surface of tube body, to improve the contact area of inboard wall of tube body and refrigerating medium, to Improve the heat exchange efficiency on the inside of evaporating heat-exchanging pipe.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, and in particular to a kind of evaporating heat-exchanging pipe.
Background technique
In industry and commercial refrigeration system, common water cooling evaporator includes full-liquid type case tube heat exchanger and dry type package
Heat exchanger, full-liquid type case tube heat exchanger is due to its heat exchange efficiency height, and (also referred to as refrigerant mostly uses water to be situated between to heat transferring medium
Matter) it easily obtains and cheap, it is widely used.
Outside heat exchange tube, refrigerating medium flows the refrigerant of full-liquid type case tube heat exchanger in heat exchange tube, refrigerant with
The heat exchange of refrigerating medium need to be transmitted through heat exchanger tube, and the important performance that the heat transfer efficiency of heat exchanger tube becomes full-liquid type case tube heat exchanger refers to
Mark.
Heat exchanger tube is the tube body with inner cavity, and usual inboard wall of tube body surface is smooth, outer surface of tube body be smooth surface or
With a certain number of radiating fins, existing heat transfer tube wall heat exchange is poor, although outer wall is equipped with radiating fin, refrigerant exists
The non-fin area of outer wall surface forms bubble, which, which is only expanded into certain volume, could be detached from heat exchange pipe surface, change
Yan Zhi, the space that existing heat exchange pipe surface promotes nuclei of bubbles to be formed is larger, and bubble is not easily disconnected from heat exchange pipe surface, therefore unfavorable
In rapidly taking away the heat for the pipe surface that exchanges heat, also it is unfavorable for that space is rapidly reserved the new bubble formation of confession, while unfavorable
The region that bubble has just been detached from quickly is added in refrigerant, that is to say, that existing heat exchanger tube, the heat exchange effect of inside and outside wall
Rate is lower, constrains the overall heat exchange efficiency of heat exchanger tube.
Utility model content
The purpose of this utility model is to provide a kind of evaporating heat-exchanging pipes, to solve existing heat exchanger tube nuclei of bubbles formation
The problem that quantity is few, heat exchange efficiency is low.
To achieve the above object, the utility model embodiment provides a kind of evaporating heat-exchanging pipe comprising tube body and heat dissipation
Wing, the radiating fin are T shape, and the radiating fin is fixed on the outer wall of the tube body, and the finned surface of the radiating fin and the pipe
The axis of body is parallel, and the radiating fin is equipped with multi-disc, and radiating fin described in multi-disc is arranged at equal intervals along the circumferencial direction of the tube body,
And radiating fin described in multi-disc is arranged at equal intervals along the axis direction of the tube body, along the two neighboring institute of the tube body axis direction
It states and is all provided between radiating fin there are two nuclei of bubbles protrusion, two nuclei of bubbles protrusions are set along the axis direction interval of the tube body
It sets, the nuclei of bubbles protrusion is cylindricality, diamond shape, triangle or trapezoidal protrusion, two nuclei of bubbles convex top opposite tilts
Setting is equipped with shape of threads internal tooth in the inner surface of the tube body.
Optionally, the height of the shape of threads internal tooth is 0.25-0.45mm.
Optionally, the helical angle of the shape of threads internal tooth is 35-60 °.
Optionally, the wing height of the radiating fin is 0.45-1.1mm.
Optionally, the minimum range between two adjacent radiating fins of the tube body axis direction is 0.45-
0.7mm。
Optionally, the 55-150 nuclei of bubbles protrusions are set at equal intervals along the circumferencial direction of the tube body.
Optionally, the width of the nuclei of bubbles protrusion is 0.1-0.3mm, with a thickness of 0.02-0.1mm.
Optionally, the height of the nuclei of bubbles protrusion is 0.1-0.4mm.
Optionally, the adjacent nuclei of bubbles protrusion is of different sizes.
The utility model embodiment has the advantages that
The utility model embodiment provides a kind of evaporating heat-exchanging pipe, is arranged in its tube wall along tube body axis direction
The first heat exchange chamber is formed between two adjacent radiating fins, the two adjacent radiating fins being arranged along tube body axis direction it
Between be additionally provided with two nuclei of bubbles protrusions, the top of two nuclei of bubbles protrusions is oppositely arranged, and is partitioned into the first heat exchange chamber
Two heat exchange chambers, so that the volume of the first heat exchange chamber becomes smaller, so that refrigerant is in the first heat exchange chamber and the second heat exchange chamber
Bubble is inside more readily formed and is conducive to bubble and is detached from tube surfaces, formation number of bubbles is more in the unit time, rapidly by tube body
The heat on surface is taken away, and adds to heat exchange chamber conducive to new refrigerant, realizes the mesh of the cooling evaporating heat-exchanging pipe of refrigerant circulation
, so that the heat exchange efficiency of evaporating heat-exchanging pipe on the outside is significantly improved；Its inboard wall of tube body is equipped with shape of threads internal tooth, improves pipe
The contact area of internal wall and refrigerating medium improves evaporation and heat-exchange to improve the heat exchange efficiency on the inside of evaporating heat-exchanging pipe on the whole
The heat exchange efficiency of pipe.
Detailed description of the invention
Fig. 1 is the half-section diagram for the evaporating heat-exchanging pipe that the utility model embodiment 1 provides.
Fig. 2 is the end structure illustration for the evaporating heat-exchanging pipe that the utility model embodiment 1 provides.
Fig. 3 is the enlarged drawing of A in Fig. 1.
In figure: 1- tube body, 2- radiating fin, 3- shape of threads internal tooth, 4- nuclei of bubbles protrusion, the first heat exchange chamber of 5-, 6- second
Heat exchange chamber.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1-3, embodiment 1 provides a kind of evaporating heat-exchanging pipe, it is mainly used for full-liquid type case tube heat exchanger, wraps
Tube body 1 and radiating fin 2 are included, the radiating fin 2 is T shape, and the radiating fin 2 is fixed on the outer wall of the tube body 1, and described scattered
The finned surface of hot wing 2 is parallel with the axis of the tube body 1, and the radiating fin 2 is equipped with multi-disc, and radiating fin 2 described in multi-disc is along the pipe
The circumferencial direction of body 1 is arranged at equal intervals, and radiating fin 2 described in multi-disc is arranged at equal intervals along the axis direction of the tube body 1, along institute
It states and is all provided between the two neighboring radiating fin 2 of 1 axis direction of tube body there are two nuclei of bubbles protrusion 4, the nuclei of bubbles is raised
It (4) is cylindricality, diamond shape, triangle or trapezoidal protrusion, two nuclei of bubbles protrusions 4 are along the axis direction interval of the tube body 1
Setting, the top opposite tilt setting of two nuclei of bubbles protrusions 4, the tube body 1 inner surface along the tube body 1 axis
Line direction is equipped with shape of threads internal tooth 3.
In the present embodiment, the first heat exchange is formed between two radiating fins 2 of 1 axis direction of tube body setting
Chamber 5, due to set between two radiating fins 2 that 1 axis direction of tube body is arranged there are two the nuclei of bubbles it is convex
4 are played, so the first heat exchange chamber 5 is divided into multiple cells by two nuclei of bubbles protrusions 4 in the first heat exchange chamber 5
Domain, and the top opposite tilt setting of two nuclei of bubbles protrusions 4, form smaller second heat exchange chamber 6, refrigeration
Appearance face contact of the agent in the first heat exchange chamber 5 and the second heat exchange chamber 6 with the tube body 1, absorbs a large amount of heat and is formed
Bubble, radiating fin 2 (are changed along the axis direction of tube body 1 every the axial long and narrow space that setting is formed containing the first heat exchange chamber 5 and second
Hot chamber 6) bubble generated compares the circumferential long and narrow space gas generated that radiating fin 2 is formed along the circumferential setting of tube body 1
Bubble, the curvature of the bottom surface of axial long and narrow space bubble generated are less than circumferential long and narrow space bubble generated, and bubble is detached from
The surface tension on 1 surface of tube body is small, becomes easy so that bubble is detached from 1 surface of tube body, the institute of top opposite tilt setting
Nuclei of bubbles protrusion 4 is stated by the volume-diminished of the first heat exchange chamber 5 and is partitioned into the second heat exchange chamber 6, so that 1 surface of tube body more holds
Nuclei of bubbles is easily formed, the number of bubbles formed in the unit time is more, and conducive to rapidly the heat on 1 surface of tube body is taken away, bubble is de-
Position (the first heat exchange chamber 5 and the second heat exchanging chamber after 1 surface of tube body, before new refrigerant adds to where bubble
Room 6), it absorbs heat and forms bubble again, so recycle, realize the purpose of the cooling evaporating heat-exchanging pipe of refrigerant circulation, so that steaming
The heat exchange efficiency of hair heat exchanger tube on the outside is significantly improved；1 inner wall of tube body be equipped with shape of threads internal tooth 3, increase refrigerating medium with
The heat exchange area of tube body 1, improves the heat exchange efficiency of the inside of evaporating heat-exchanging pipe, and refrigerant and refrigerating medium are changed with tube body 1
The thermal efficiency is improved, to improve the heat exchange efficiency of evaporating heat-exchanging pipe on the whole.
In the present embodiment, the cross sectional shape of the second heat exchange chamber 6 is cylindricality, diamond shape, triangle or the shapes such as trapezoidal, tool
Shape is determined by the adjacent nuclei of bubbles protrusion 4.
Embodiment 2
Embodiment 2 provides another evaporating heat-exchanging pipe, and structure is essentially identical with embodiment 1, below only to difference
Place is described.
In the present embodiment, the height of the shape of threads internal tooth 3 is 0.25-0.45mm, the spiral of the shape of threads internal tooth 3
Angle is 35-60 °.
In the present embodiment, the wing height of the radiating fin 2 is 0.45-1.1mm, along two of 1 axis direction of tube body
Minimum range between the adjacent radiating fin 2 is 0.45-0.7mm.
In the present embodiment, the 55-150 nuclei of bubbles protrusions 4 are arranged in the circumferencial direction along the tube body 1 at equal intervals.
In the present embodiment, the width 0.1-0.3mm of the nuclei of bubbles protrusion 4, the nuclei of bubbles protrusion 4 with a thickness of
0.02-0.1mm, the height of the nuclei of bubbles protrusion 4 are 0.1-0.4mm.
In the present embodiment, the adjacent nuclei of bubbles protrusion 4 is of different sizes (highly different or of different size or high
Degree, width are different) so that adjacent chamber size is different, the bubbles number of formation is also just different, and then bubble is detached from tube body
The time on 1 surface, speed are different, so that the heat exchange efficiency of adjacent area is not quite similar, are conducive to balanced each region on the whole
Heat exchange efficiency, so that whole improve heat exchange efficiency.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (9)
1. a kind of evaporating heat-exchanging pipe, which is characterized in that the evaporating heat-exchanging pipe includes tube body (1) and radiating fin (2), described to dissipate
Hot wing (2) is T shape, and the radiating fin (2) is fixed on the outer wall of the tube body (1), and the finned surface of the radiating fin (2) with it is described
The axis of tube body (1) is parallel, and the radiating fin (2) is equipped with multi-disc, circumference of the radiating fin (2) described in multi-disc along the tube body (1)
Direction is arranged at equal intervals, and radiating fin described in multi-disc (2) is arranged at equal intervals along the axis direction of the tube body (1), along the pipe
Nuclei of bubbles is raised (4) there are two being all provided between the two neighboring radiating fin (2) of body (1) axis direction, two bubbles
Core protrusion (4) is arranged along the axis direction interval of the tube body (1), and the nuclei of bubbles raised (4) is cylindricality, diamond shape, triangle
Or trapezoidal protrusion, the top opposite tilt setting of two nuclei of bubbles raised (4) are equipped in the inner surface of the tube body (1)
Shape of threads internal tooth (3).
2. evaporating heat-exchanging pipe according to claim 1, which is characterized in that the height of the shape of threads internal tooth (3) is 0.25-
0.45mm。
3. evaporating heat-exchanging pipe according to claim 1 or 2, which is characterized in that the helical angle of the shape of threads internal tooth (3) is
35-60°。
4. evaporating heat-exchanging pipe according to claim 1, which is characterized in that the wing height of the radiating fin (2) is 0.45-
1.1mm。
5. evaporating heat-exchanging pipe according to claim 1 or 4, which is characterized in that along two of the tube body (1) axis direction
Minimum range between the adjacent radiating fin (2) is 0.45-0.7mm.
6. evaporating heat-exchanging pipe according to claim 1, which is characterized in that along the tube body (1) circumferencial direction at equal intervals
It is raised (4) that the 55-150 nuclei of bubbles are set.
7. evaporating heat-exchanging pipe according to claim 1, which is characterized in that the width of the nuclei of bubbles raised (4) is 0.1-
0.3mm, with a thickness of 0.02-0.1mm.
8. evaporating heat-exchanging pipe according to claim 1 or claim 7, which is characterized in that the height of the nuclei of bubbles raised (4) is
0.1-0.4mm。
9. evaporating heat-exchanging pipe according to claim 1 or claim 7, which is characterized in that the size of the adjacent nuclei of bubbles raised (4)
It is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821324292.4U CN208780005U (en) | 2018-08-16 | 2018-08-16 | A kind of evaporating heat-exchanging pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821324292.4U CN208780005U (en) | 2018-08-16 | 2018-08-16 | A kind of evaporating heat-exchanging pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208780005U true CN208780005U (en) | 2019-04-23 |
Family
ID=66157163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821324292.4U Active CN208780005U (en) | 2018-08-16 | 2018-08-16 | A kind of evaporating heat-exchanging pipe |
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| Country | Link |
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| CN (1) | CN208780005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000494A (en) * | 2018-08-16 | 2018-12-14 | 上海欧贡制冷科技有限公司 | A kind of evaporating heat-exchanging pipe |
| CN114061358A (en) * | 2020-08-03 | 2022-02-18 | 青岛海尔空调电子有限公司 | Heat exchange tube of falling film evaporator |
-
2018
- 2018-08-16 CN CN201821324292.4U patent/CN208780005U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000494A (en) * | 2018-08-16 | 2018-12-14 | 上海欧贡制冷科技有限公司 | A kind of evaporating heat-exchanging pipe |
| CN114061358A (en) * | 2020-08-03 | 2022-02-18 | 青岛海尔空调电子有限公司 | Heat exchange tube of falling film evaporator |
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