CN209341632U - A kind of evaporation tube - Google Patents
A kind of evaporation tube Download PDFInfo
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- CN209341632U CN209341632U CN201821941421.4U CN201821941421U CN209341632U CN 209341632 U CN209341632 U CN 209341632U CN 201821941421 U CN201821941421 U CN 201821941421U CN 209341632 U CN209341632 U CN 209341632U
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- tube body
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- internal screw
- fin
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Abstract
The utility model discloses a kind of evaporation tubes for improving the inside and outside turbulent condition of pipe, it includes tube body, tube body is equipped with light section, roll section, it is characterized in that the rolling section includes the helical fin for being evenly distributed on outer surface of tube body, Formation cross-section is the groove for the type of falling Ω between adjacent two fin, narrow slit is equipped at groove notch, the diameter of groove slot body is 0.30mm~0.60mm, slit width is 0.10mm ~ 0.30mm, the utility model increases the external surface area of tube body, 3 times up to smooth surface pipe of its external surface area, significantly improve the single tube exchange capability of heat of tube body, in outer surface of tube body evaporation, promote bubble forming core, bubble increases, when bubble is escaped by narrow slit, the variation of air pressure forms secondary pulse, it is increased substantially in the turbulent condition of pipe appearance, it is processed using titanium or titanium alloy smooth pipe It forms, gives full play to advantage of the titanium material in terms of corrosion-resistant, low-density and high specific strength, have many characteristics, such as long-life, lightweight and lasting stability.
Description
Technical field
The utility model relates to a kind of evaporator, specifically a kind of evaporation tube.
Background technique
In the Centralized Air-conditioning in Public Buildings based on lithium bromide non-electric air conditioner, evaporator is important one in Thermal Cycling
Ring.Cooling water and chilled water transmit heat in evaporator, through evaporation tube, complete heat exchange.Water outside pipe is by being sprayed to
Outer tube surface, absorbs the heat of tube wall, and evaporation becomes vapor；Water or refrigerant in pipe transmit heat to tube wall, realize
The cooling of itself is then sent to the place for needing to freeze, and completes refrigeration.The evaporator heat exchange power of one central air-conditioning,
Just determine the refrigerating capacity of this equipment.
Commonly known, the heat exchange power of Yao Tigao evaporator needs to give heat transfer process and provides sufficient heat-transfer surface
Product, this needs a large amount of quantity for increasing pipe, and this mode is larger to the volume incrementss of whole set equipment, Large-scale machine set enterprise
No longer use；Efficiently pipe product is formed single by the intensive processing to pipe for finned tube, surface voids tube for coming into being etc.
The bigger pipe material product of bit-length table area realizes the promotion of evaporator heat exchange area.
Thermal conduction study has evaporation heat transfer aobvious studies have shown that the simple schedule of reinforcement by improving outer tube surface product
The effect of work, but after the raising to a certain extent of single tube surface area, it continues to lift up ability and economic benefit and does not catch up with its throwing completely
Enter.By developing in recent years, the reinforcing of this respect has tended to the limit.
Titanium alloy is the alloy that other elements composition is added based on titanium.There are two types of allomorphisms for titanium: 882 DEG C or less
For close-packed hexagonal structure α titanium, 882 DEG C the above are body-centred cubic β titaniums.Intensity is high, corrosion resistance is good, heat resistance because having for titanium alloy
The features such as high and be widely used in every field.
Summary of the invention
The purpose of the utility model is to provide a kind of evaporation tubes for improving the inside and outside turbulent condition of pipe.
The utility model, which adopts the following technical scheme that, realizes its goal of the invention, and a kind of evaporation tube, it includes tube body,
Tube body is equipped with light section, rolling section, and the rolling section includes the helical fin for being evenly distributed on outer surface of tube body, adjacent two wing
Formation cross-section is the groove for the type of falling Ω between piece, is equipped with narrow slit at groove notch, the diameter of groove slot body for 0.30mm~
0.60mm, slit width are 0.10mm ~ 0.30mm.
The utility model is to increase substantially the turbulent condition of inside pipe wall, enhances pipe internal surface heat exchange performance, is managed
Internal wall is equipped with internal screw thread, internal screw thread density/~ 50, circle/the angle β of circle, internal screw thread and tube body axial direction that is 10 for 30 ° ~
45 °, the height of internal screw thread is 0.10mm ~ 0.30mm.
The outer diameter of the utility model tube body is 12.7mm ~ 25.4mm, and wall thickness is 0.8mm ~ 1.5mm, and fin is axially close
Degree be 26 piece/inch ~ 42 piece/inch.
The utility model is for the feature with long-life, lightweight and lasting stability, the tube body, helical fin
It is made of technical pure titanium or titanium alloy welded tube.
A kind of evaporation tube, it includes tube body, and tube body is equipped with light section, rolling section, it is characterized in that the rolling section is also wrapped
The recess for uniformly squeezing formation towards inboard wall of tube body from the appearance of tube body by pipe threading machine is included, the recess is along outer surface of tube body
Helical arrangement, the recess protrude inner wall, make to be formed between the spiral-distributed raised line of inboard wall of tube body, adjacent recessed on inner wall
Helical fin equipped with the outer surface for being evenly distributed on tube body, Formation cross-section is the groove for the type of falling Ω, groove between adjacent two fin
Narrow slit is equipped at notch, the diameter of groove slot body is 0.30mm~0.60mm, and slit width is 0.10mm ~ 0.30mm.
The utility model is recessed number as 1/week ~ 3/week, and the distance between adjacent raised line is 5mm ~ 15mm, recess
Protrusion inside wall height is the .00mm of 0 .2mm ~ 1.
The utility model is to increase substantially the turbulent condition of inside pipe wall, enhances pipe internal surface heat exchange performance, institute
Inboard wall of tube body is stated equipped with internal screw thread, internal screw thread density is 10/~ 50, circle/angle of circle, internal screw thread and tube body axial direction is 30 ° ~
45 °, the height of internal screw thread is 0.10mm ~ 0.30mm.
The outer diameter of tube body described in the utility model is 12.7mm ~ 25.4mm, and wall thickness is 0.8mm ~ 1.5mm, fin
Axial density be 26 piece/inch ~ 42 piece/inch.
The utility model is for the feature with long-life, lightweight and lasting stability, the tube body, helical fin
It is made of technical pure titanium or titanium alloy welded tube.
Due to the adoption of the above technical scheme, the utility model preferably realizes goal of the invention, and which increase the outer of tube body
Surface area, external surface area significantly improve the single tube exchange capability of heat of tube body up to 3 times of smooth surface pipe, steam in outer surface of tube body
When hair, bubble forming core, bubble is promoted to increase, when bubble is escaped by narrow slit, the variation of air pressure forms secondary pulse, outside pipe
The turbulent condition of table increases substantially, and is process using titanium or titanium alloy smooth pipe, gives full play to titanium material corrosion-resistant, low
Advantage in terms of density and high specific strength has many characteristics, such as long-life, lightweight and lasting stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the partial elevation view of Fig. 1;
Fig. 3 is axial sectional diagrammatical view illustration of the embodiment 1 in Fig. 1 at A;
Fig. 4 is axial sectional diagrammatical view illustration of the embodiment 2 in Fig. 1 at A;
Fig. 5 is axial sectional diagrammatical view illustration of the embodiment 3 in Fig. 1 at A;
Fig. 6 is axial sectional diagrammatical view illustration of the embodiment 4 in Fig. 1 at A.
In figure: 1 tube body, 2 light sections, 3 rolling sections, 4 grooves, 5 fins, 6 slot bodies, 7 are recessed, 8 narrow slits, 9 raised lines, spiral shell in 10
Line, W are the width of narrow slit, and H is the height of internal screw thread, and D is the diameter of groove slot body, and β is the angle of internal screw thread Yu tube body axial direction,
δ is the wall thickness of tube body.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1:
By Fig. 1, Fig. 2, Fig. 3 it is found that a kind of evaporation tube, it includes tube body 1, and tube body 1 is equipped with light section 2, rolling section 3, institute
The rolling section 3 stated includes the helical fin 5 for being evenly distributed on 1 outer surface of tube body, and 5 Formation cross-sections of adjacent two fin are the type of falling Ω
Groove 4, be equipped at 4 notch of groove, the diameter D of 4 slot body 6 of groove is 0.30mm~0.60mm, and 8 width W of narrow slit is 0.10
Mm~0.30mm.
The outer diameter of the utility model tube body 1 is 12.7mm~25.4mm, and wall thickness δ is 0.8mm ~ 1.5mm, and fin 5 is axial
Density be 26 piece/inch ~ 42 piece/inch.
The utility model is for the feature with long-life, lightweight and lasting stability, the tube body 1, spiral wing
Piece 5 is made of technical pure titanium or titanium alloy welded tube.
The outer diameter of the present embodiment tube body 1 is 25.4mm, and wall thickness δ is 1.5mm, and the axial density of fin 5 is 26 pieces/inch,
The diameter D of 4 slot body 6 of groove is 0.60mm, and 8 width W of narrow slit is 0.30mm.
Embodiment 2:
By Fig. 1, Fig. 2, Fig. 4 it is found that the utility model is to increase substantially the turbulent condition of inside pipe wall, enhance in pipe
Surface heat exchange performance, 1 inner wall of tube body are equipped with internal screw thread 10, and 10 density of internal screw thread is 10/circle ~ 50/circles, internal screw thread 10 with
The axial angle β of tube body 1 is 30 ° ~ 45 °, and the height H of internal screw thread 10 is 0.10mm ~ 0.30mm.
10 density of the present embodiment internal screw thread is 50/circle, and the angle β of 1 axial direction of internal screw thread 10 and tube body is 45 °.Yu Tongshi
Apply example 1.
Embodiment 3:
By 1, Fig. 2, Fig. 5 it is found that a kind of evaporation tube, it includes tube body 1, and tube body 1 is equipped with light section 2, rolling section 3, special
Sign is that the rolling section 3 further includes uniformly squeezing the recess of formation towards 1 inner wall of tube body from the appearance of tube body 1 by pipe threading machine
7, the recess 7 protrudes inner wall along 1 outer surface helical arrangement of tube body, the recess 7, makes to be formed along tube body 1 on inner wall
The spiral-distributed raised line 9 of wall, is equipped with the helical fin 5 for being evenly distributed on the outer surface of tube body 1 between adjacent recessed 7, and adjacent two
5 Formation cross-sections of fin are the groove for the type of falling Ω, and narrow slit 8 is equipped at groove notch, and the diameter D of 4 slot body 6 of groove is 0.30mm
~0.60mm, 8 width W of narrow slit are 0.10mm ~ 0.30mm.
The utility model is recessed 7 numbers as 1/week ~ 3/week, and the distance between adjacent raised line 9 is 5mm ~ 15mm, recessed
Falling into 7 protrusion inside wall heights is 0 .00 of .2 ㎜ ~ 1 ㎜.
The outer diameter of tube body 1 described in the utility model is 12.7mm ~ 25.4mm, and wall thickness δ is 0.8mm ~ 1.5mm, wing
The axial density of piece 5 be 26 piece/inch ~ 42 piece/inch.
The utility model is for the feature with long-life, lightweight and lasting stability, the tube body 1, spiral wing
Piece 5 is made of technical pure titanium or titanium alloy welded tube.
The outer diameter of tube body 1 described in the present embodiment is 25.4mm, and wall thickness δ is 1.5mm, the axial density of fin 5 is 26/
Inch, the diameter D of 4 slot body 6 of groove are 0.60mm, and 8 width W of narrow slit is 0.30mm, and 7 numbers of the recess are 3/week, recess
7 protrusion inside wall heights are 0.4mm, and the distance between adjacent raised line 9 is 5 ㎜.
Embodiment 4:
By 1, Fig. 2, Fig. 6 it is found that the utility model is to increase substantially the turbulent condition of inside pipe wall, table in pipe is enhanced
Face heat exchange performance, 1 inner wall of tube body are equipped with internal screw thread 10, and 10 density of internal screw thread is 10/~ 50, circle/circle, internal screw thread 10
It is 30 ° ~ 45 ° with the axial angle β of tube body 1, the height H of internal screw thread 10 is 0.10mm ~ 0.30mm.
10 density of internal screw thread described in the present embodiment is 50/circle, and the angle β of 1 axial direction of internal screw thread 10 and tube body is 45 °, interior
The height H of screw thread 10 is 0.10mm.Remaining same embodiment 3.
Embodiment 5:
The outer diameter of tube body 1 described in the present embodiment is 19mm, and wall thickness δ is 1.1mm, and the axial density of fin 5 is 33/English
Very little, the diameter D of 4 slot body 6 of groove is 0.50mm, and 8 width W of narrow slit is 0.15mm, and 7 numbers of the recess are 1/week, recess 7
Protrusion inside wall height is 0.6mm, and the distance between adjacent raised line 9 is 11 ㎜, and 10 density of internal screw thread is 30/circle, interior spiral shell
The angle β of 1 axial direction of line 10 and tube body is 45 °, and the height of internal screw thread 10 is 0.2mm.Remaining same embodiment 3.
Embodiment 6:
The outer diameter of tube body 1 described in the present embodiment is 12.7mm, and wall thickness δ is 0.8mm, the axial density of fin 5 is 42/
Inch, the diameter D of 4 slot body 6 of groove are 0.30mm, and 8 width W of narrow slit is 0.10mm, and 7 numbers of the recess are 1/week, recess
7 protrusion inside wall heights are 0.2mm, and the distance between adjacent raised line 9 is 7 ㎜, and 10 density of internal screw thread is 10/circle, interior spiral shell
The angle β of 1 axial direction of line 10 and tube body is 30 °, and the height H of internal screw thread 10 is 0.2mm.Remaining same embodiment 3.
Claims (10)
1. a kind of evaporation tube, it includes tube body, and tube body is equipped with light section, rolling section, it is characterized in that the rolling section includes equal
The even helical fin for being distributed in outer surface of tube body, Formation cross-section is the groove for the type of falling Ω between adjacent two fin, is set at groove notch
There is narrow slit, the diameter of groove slot body is 0.30mm~0.60mm, and slit width is 0.10mm ~ 0.30mm.
2. a kind of evaporation tube according to claim 1, it is characterized in that inboard wall of tube body is equipped with internal screw thread, internal screw thread density is 10
The angle β of item/circle ~ 50/circle, internal screw thread and tube body axial direction is 30 ° ~ 45 °, and the height of internal screw thread is 0.10mm ~ 0.30mm.
3. a kind of evaporation tube according to claim 1 or 2, it is characterized in that the outer diameter of tube body is 12.7mm ~ 25.4mm,
Wall thickness be 0.8mm ~ 1.5mm, fin axial direction density be 26 piece/inch ~ 42 piece/inch.
4. a kind of evaporation tube according to claim 1 or 2, it is characterized in that the tube body, helical fin are by technical pure
Titanium or titanium alloy welded tube is made.
5. a kind of evaporation tube, it includes tube body, and tube body is equipped with light section, rolling section, it is characterized in that the rolling section further includes
Uniformly squeeze the recess of formation towards inboard wall of tube body from the appearance of tube body by pipe threading machine, the recess is along outer surface of tube body spiral shell
Rotation arrangement, the recess protrude inner wall, set formation on inner wall between the spiral-distributed raised line of inboard wall of tube body, adjacent recessed
There is the helical fin for the outer surface for being evenly distributed on tube body, Formation cross-section is the groove for the type of falling Ω, groove slot between adjacent two fin
Narrow slit is equipped at mouthful, the diameter of groove slot body is 0.30mm~0.60mm, and slit width is 0.10mm ~ 0.30mm.
6. a kind of evaporation tube according to claim 5, it is characterized in that recess number is 1/week ~ 3/week, adjacent raised line
The distance between be 5mm ~ 15mm, recess protrusion inside wall height be 0 .00 of .2 mm ~ 1 mm.
7. a kind of evaporation tube according to claim 5 or 6, it is characterized in that the inboard wall of tube body is equipped with internal screw thread, internal screw thread
Density is 10/circle ~ 50/circles, and the angle of internal screw thread and tube body axial direction is 30 ° ~ 45 °, the height of internal screw thread for 0.10mm ~
0.30mm。
8. a kind of evaporation tube according to claim 5 or 6, it is characterized in that the outer diameter of the tube body be 12.7mm ~
25.4mm, wall thickness be 0.8mm ~ 1.5mm, fin axial direction density be 26 piece/inch ~ 42 piece/inch.
9. a kind of evaporation tube according to claim 7, it is characterized in that the outer diameter of the tube body is 12.7mm ~ 25.4mm,
Its wall thickness be 0.8mm ~ 1.5mm, fin axial direction density be 26 piece/inch ~ 42 piece/inch.
10. a kind of evaporation tube according to claim 5 or 6, it is characterized in that the tube body, helical fin are by technical pure
Titanium or titanium alloy welded tube is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941421.4U CN209341632U (en) | 2018-11-23 | 2018-11-23 | A kind of evaporation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941421.4U CN209341632U (en) | 2018-11-23 | 2018-11-23 | A kind of evaporation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209341632U true CN209341632U (en) | 2019-09-03 |
Family
ID=67748925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821941421.4U Active CN209341632U (en) | 2018-11-23 | 2018-11-23 | A kind of evaporation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209341632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500901A (en) * | 2019-09-06 | 2019-11-26 | 湘潭大学 | Evaporation tube outside a kind of pipe with two-sided strengthened heat transfer effect |
-
2018
- 2018-11-23 CN CN201821941421.4U patent/CN209341632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500901A (en) * | 2019-09-06 | 2019-11-26 | 湘潭大学 | Evaporation tube outside a kind of pipe with two-sided strengthened heat transfer effect |
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