CN207019528U - A kind of titanium or titanium alloy rolls heat exchanger tube - Google Patents
A kind of titanium or titanium alloy rolls heat exchanger tube Download PDFInfo
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- CN207019528U CN207019528U CN201720937309.2U CN201720937309U CN207019528U CN 207019528 U CN207019528 U CN 207019528U CN 201720937309 U CN201720937309 U CN 201720937309U CN 207019528 U CN207019528 U CN 207019528U
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- titanium
- helical fin
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- titanium alloy
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Abstract
The utility model discloses a kind of titanium or titanium alloy to roll heat exchanger tube,It includes body,It is characterized in that the external diameter of body is 12.7 mm~25.4mm,Its wall thickness is 0.4 mm~0.6mm,Body is provided with light section,Roll section,Described rolling section includes being evenly distributed on the helical fin of the outer surface of body,The cross section of helical fin is in isosceles trapezoid,Bottom width is the mm of 0.20 mm~0.40 thereon,Go to the bottom the mm of a width of 0.4 mm~0.6,High h is the mm of 0.15 mm~0.30,Helical fin axial direction density be 26 piece/inch~42 piece/inch,Interval is uniformly distributed fluted in helical fin circumferential direction,Groove is in inverted trapezoidal,Its depth d is 0.10mm~0.20mm,Groove number is 50/~150, circle/circle,The utility model increases lateral spreading and retentivity of the medium outside pipe,So as to improve heat exchange efficiency,The far super copper material of corrosion resisting property,Its ultra-thin wall thickness and enhanced heat exchange design,The air cooling of high heat exchange performance demand can be met,In heat exchanger,To plant capacity,Weight lightweight and the demand in life-span.
Description
Technical field
A kind of heat exchanger is the utility model is related to, specifically a kind of titanium or titanium alloy rolling heat exchanger tube.
Background technology
Central air-conditioning, highly effective refrigeration and middle-size and small-size collecting apparatus heat exchanger in, generally use surface peening it is efficient
Tube bank of the heat exchanger tube as its shell-and-tube heat exchanger；Present heat exchanger tube generally use copper pipe or titanium or titanium alloy are made, copper
Efficient heat-exchanging pipe, easily corrode in refrigerant and pipe under the impact of water, so as to limit the service life of heat exchanger.By
In the material the problem of, for copper material while corroding, copper ion and copper ashes depart from pipe, and heat is taken to by refrigerant and refrigerating medium
Other regions of switch, cause destruction and the equipment damage of water quality.In order to tackle the corrosion of copper material, making for heat exchanger is improved
With the life-span, generally use improves the mode of pipe wall thickness, such way, it is impossible to plays the heat exchange effect of efficient pipe to greatest extent
Rate, also there is titanium or titanium alloy heat exchanger tube at present, its wall thickness is 0.7 mm ~ 1.5mm, is industry general thickness, its effect that exchanges heat
The far super copper material of rate, corrosion resisting property, but can not still meet the needs of central air-conditioning, highly effective refrigeration are with middle-size and small-size collecting apparatus.
The content of the invention
The purpose of this utility model is to provide a kind of ultra-thin-wall titanium or titanium alloy rolling heat exchanger tube.
The utility model, which adopts the following technical scheme that, realizes its goal of the invention, a kind of titanium or titanium alloy rolling heat exchange
Pipe, it includes body, and the external diameter of body is 12.7 mm~25.4mm, and its wall thickness is 0.4 mm~0.6mm, and body is provided with light
Section, rolling section, described rolling section include being evenly distributed on the helical fin of the outer surface of body, and the cross section of helical fin is in
Isosceles trapezoid, bottom width is the mm of 0.20 mm~0.40 thereon, a width of 0.4 mm that goes to the bottom~0.6 mm, high h be 0.15 mm~
0.30 mm, helical fin axial direction density be 26 piece/inch~42 piece/inch, in helical fin circumferential direction interval be uniformly distributed
Fluted, groove is in inverted trapezoidal, and its depth d is 0.10mm~0.20mm, and groove number is 50/~150, circle/circle.
Inboard wall of tube body described in the utility model is straight smooth.
The utility model is improves service life of equipment, and described body, helical fin are by technical pure titanium or titanium alloy
Welded tube is made.
Due to preferably realizing goal of the invention using above-mentioned technical proposal, the utility model, its is simple in construction, and increase is situated between
Lateral spreading and retentivity of the matter outside pipe, so as to improve heat exchange efficiency, the far super copper material of corrosion resisting property, its single tube weight is only
For the 16%~36% of copper heat exchanger tube；Its single tube weight is only the 40%~62% of the efficient pipe of general thickness titanium or titanium alloy；It is changed
The thermal efficiency is more than one times of the light pipe of same specification material, and efficiently pipe is also obviously improved more conventional thickness titanium or titanium alloy.Its
The design of ultra-thin wall thickness and enhanced heat exchange, it can meet in the air cooling of high heat exchange performance demand, heat exchanger, to plant capacity, again
Measure lightweight and the demand in life-span.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 fragmentary axial cross-section；
Fig. 3 is Fig. 1 local ring sectional view；
Fig. 4 is Fig. 1 partial elevation view.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the utility model is described in further detail.
Embodiment 1：
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of titanium or titanium alloy rolls heat exchanger tube, and it includes body 1, body 1 outside
Footpath is 12.7 mm~25.4mm, and its wall thickness is 0.4 mm~0.6mm, and body 1 is provided with light section 3, rolling section 2, and described rolls
Section 2 processed includes being evenly distributed on the helical fin 5 of the outer surface of body 1, and the cross section of helical fin 5 is in isosceles trapezoid, thereon
The mm of a width of 0.20 mm in bottom 6~0.40,4 a width of 0.4 mm of bottom~0.6 mm, high h are the mm of 0.15 mm~0.30, spiral wing
5 axial density of piece be 26 piece/inch~42 piece/inch, in the circumferential direction of helical fin 5 interval be uniformly distributed fluted 7, make to roll
Some passages axially in parallel with body are formed in section 2 processed, groove 7 is in inverted trapezoidal, and its depth d is 0.10mm~0.20mm,
The number of groove 7 is 50/~150, circle/circle, and groove center line is 0 ° ~ 45 ° with pipe axial angle.
The external diameter of the present embodiment body 1 is 19mm, and its wall thickness is 0.4 mm, and the present embodiment uses the light pipe of 0.4mm wall thickness
As blank, body 1 is provided with light section 3, rolling section 2, and described rolling section 2 includes being evenly distributed on the outer surface of body 1
Helical fin 5, the cross section of helical fin 5 is in isosceles trapezoid, thereon a width of 0.45 mm in bottom 6, and go to the bottom 4 a width of 0.7 mm, high h
For 0.15 mm, axial density of the helical fin 5 on body 1 is 30 pieces/inch, is spaced in the circumferential direction of helical fin 5 uniform
Fluted 7 are distributed, groove 7 is in inverted trapezoidal, and its depth d is 0.10mm, and the number of groove 7 is 70/circle, the center line of groove 7 and pipe
Sub- axial angle is 0 °.
The inwall of body 1 described in the utility model is extruded by mould, straight smooth.
To improve service life of equipment, described body 1, helical fin 5 close the utility model by industrially pure titanium and titanium
Gold solder pipe is made.
The titanium or titanium alloy heat exchanger tube of prior art, its wall thickness are 0.7 mm ~ 1.5mm, and wall thickness of the present utility model is
0.4 mm~0.6mm, if the utility model is processed the tooth-shape structure of prior art by the technique of prior art, pipe fitting 1 is easily opened
Splitting, the utility model to processing knife, die size, pattern by being improved, on base pipe raw material, to welding, being molded,
Mechanical property is adjusted, and designs structure of the present utility model, improves heat exchange efficiency, reduces cracking risk.
The utility model with its ultra-thin-wall it is abundant it is existing its is advanced, its weight is only the 26% of conventional copper heat exchanger tube, its list
Pipe weight is only the 50% of the efficient pipe of general thickness titanium or titanium alloy, can substitute conventional copper efficiently pipe and common titanium and titanium and close
Golden efficiently pipe, in the air cooling, heat exchanger applied to high heat exchange performance demand, meet its to plant capacity, weight lightweight and
The demand in life-span.
Embodiment 2：
The external diameter of the present embodiment body 1 is 12.7mm, and its wall thickness is 0.5mm, a width of 0.25 mm in bottom 6 on helical fin 5,
Go to the bottom 4 a width of 0.4 mm, and high h is 0.20 mm, and 5 axial density of helical fin is 42 pieces/inch, and its depth of groove 7 d is
0.10mm, the number of groove 7 are 80/circle, and the center line of groove 7 is 45 ° with pipe axial angle.Remaining same embodiment 1.
Embodiment 3：
The external diameter of the present embodiment body is 25.4mm, and its wall thickness is 0.6mm, a width of 0.40 mm in bottom 6 on helical fin 5,
Go to the bottom 4 a width of 0.60 mm, and high h is 0.30 mm, and 5 axial density of helical fin is 26 pieces/inch, and its depth of groove 7 d is
0.20mm, the number of groove 7 are 110/circle, and the center line of groove 7 is 0 ° with pipe axial angle.Remaining same embodiment 1.
Claims (3)
1. a kind of titanium or titanium alloy rolls heat exchanger tube, it includes body, it is characterized in that the external diameter of body for 12.7 mm~
25.4mm, its wall thickness are 0.4 mm~0.6mm, and body is provided with light section, rolling section, and described rolling section includes being uniformly distributed
Helical fin in the outer surface of body, the cross section of helical fin is in isosceles trapezoid, and bottom width is 0.20 mm~0.40 thereon
Mm, a width of 0.4 mm of going to the bottom~0.6 mm, high h are the mm of 0.15 mm~0.30, helical fin axial direction density be 26 pieces/inch~
42 pieces/inch, interval is uniformly distributed fluted in helical fin circumferential direction, and groove be in inverted trapezoidal, its depth d for 0.10mm~
0.20mm, groove number are 50/~150, circle/circle.
A kind of 2. titanium or titanium alloy rolling heat exchanger tube according to claim 1, it is characterized in that inboard wall of tube body is straight smooth.
A kind of 3. titanium or titanium alloy rolling heat exchanger tube according to claim 1 or 2, it is characterized in that described body, spiral
Fin is made by technical pure titanium or titanium alloy welded tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937309.2U CN207019528U (en) | 2017-07-31 | 2017-07-31 | A kind of titanium or titanium alloy rolls heat exchanger tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937309.2U CN207019528U (en) | 2017-07-31 | 2017-07-31 | A kind of titanium or titanium alloy rolls heat exchanger tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207019528U true CN207019528U (en) | 2018-02-16 |
Family
ID=61480944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937309.2U Active CN207019528U (en) | 2017-07-31 | 2017-07-31 | A kind of titanium or titanium alloy rolls heat exchanger tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207019528U (en) |
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2017
- 2017-07-31 CN CN201720937309.2U patent/CN207019528U/en active Active
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