CN207395553U - Non-electric air conditioner heat-exchange pipe for evaporimeter - Google Patents
Non-electric air conditioner heat-exchange pipe for evaporimeter Download PDFInfo
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- CN207395553U CN207395553U CN201721429100.1U CN201721429100U CN207395553U CN 207395553 U CN207395553 U CN 207395553U CN 201721429100 U CN201721429100 U CN 201721429100U CN 207395553 U CN207395553 U CN 207395553U
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- tube body
- wall
- pipe
- recess
- air conditioner
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Abstract
The utility model discloses a kind of non-electric air conditioner heat-exchange pipe for evaporimeter that superelevation raised line is set in ultra-thin-wall heat transfer tube wall,It includes tube body,The outer diameter of tube body is 16mm~25.4mm,Its wall thickness is 0.5mm~0.6mm,Tube body is equipped with light section,Roll section,It is characterized in that the rolling section includes recess,The recess is along outer surface of tube body helical arrangement,The recess protrusion inner wall,Make to be formed along the spiral-distributed raised line of inboard wall of tube body on inner wall,The helical fin for the outer surface for being evenly distributed on tube body is equipped between adjacent recessed,The cross section of helical fin is in isosceles trapezoid,Interval is uniformly distributed fluted in helical fin circumferential direction,Groove is in inverted trapezoidal,The utility model makes the internal shape of threads that formed rise and fall,Disturb the flowing of liquid in pipe,Give full play to the thermal output ability of liquid in pipe,While tube body minimum wall thickness (MINI W.) and structural strength is ensured,Further improve the heat-exchange capacity of heat exchanger tube.Make tubing exchange capability of heat more than 10%.
Description
Technical field
The utility model is related to a kind of non-electric air conditioner evaporator, specifically a kind of non-electric air conditioner evaporator heat exchange
Pipe.
Background technology
Non-electric air conditioner evaporator is formed by the pipe dish system that exchanges heat at present, and the heat exchanger tube is mostly using copper pipe, copper
The efficient heat-exchanging pipe of matter easily corrodes in refrigerant and pipe under the impact of water, so as to limit the service life of evaporator.
The problem of due to material, for copper material while corroding, copper ion and copper ashes depart from pipe, are taken to by refrigerant and refrigerating medium
Destruction and the equipment damage of water quality are caused in other regions of heat-exchange device.In order to tackle the corrosion of copper material, heat exchanger is improved
Service life, generally use improve the mode of pipe wall thickness, such way, it is impossible to play the heat exchange of efficient pipe to greatest extent
Efficiency；Also there is a titanium or titanium alloy heat exchanger tube at present, wall thickness is 0.5mm~0.6mm, the far super copper of heat exchange efficiency, corrosion resisting property
Material, but since titanium or titanium alloy heat exchange thickness of pipe wall is thin, can only be to carrying out rolling reinforcing on the outside of pipe, therefore ultra-thin-wall heat exchanger tube
Inside pipe wall is smooth state.In this way, limit the thermal output ability of liquid in pipe.
The content of the invention
The purpose of this utility model is to provide a kind of non-electric air conditioner steaming that superelevation raised line is set in ultra-thin-wall heat transfer tube wall
Send out device heat exchanger tube.
The utility model, which adopts the following technical scheme that, realizes its goal of the invention, a kind of non-electric air conditioner evaporator heat exchange
Pipe, it includes tube body, and the outer diameter of tube body is 16mm~25.4mm, and wall thickness is 0.5mm~0.6mm, tube body be equipped with light section,
Section is rolled, the rolling section includes uniformly squeezing the recess formed from the appearance of tube body towards inboard wall of tube body by pipe threading machine,
The recess makes to be formed along inboard wall of tube body spiral on inner wall along outer surface of tube body helical arrangement, recess protrusion inner wall
The raised line of arrangement is equipped with the helical fin for the outer surface for being evenly distributed on tube body, the cross section of helical fin between adjacent recessed
In isosceles trapezoid, bottom width is the mm of 0.10 mm~0.30 thereon, and lower bottom width is the mm of 0.4 mm~0.7, high h for 0.15 mm~
0.60 mm, helical fin axial direction density for 26 piece/inch~42 piece/inch, in helical fin circumferential direction interval be uniformly distributed
Fluted, groove is in inverted trapezoidal, and depth d is 0.10mm~0.30mm, and groove number is 50/~150, circle/circle.
The distance between adjacent raised line of the utility model is the mm of 5 mm ~ 20, and recess protrusion inside wall height is 0.3
The mm of mm ~ 1.00, recess number are 1/week ~ 3/week.
Concave cross section described in the utility model is arc-shaped.
Tube body described in the utility model, helical fin are 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, simple in structure, passes through spiral shell
Line pipe machine uniformly squeezes to form recess from the appearance of tube body towards inboard wall of tube body, and recess protrusion inside wall height makes internal formation spiral shell
Line shape rise and fall, disturb the flowing of liquid in pipe, give full play to the thermal output ability of liquid in pipe, ensure tube body minimum wall thickness (MINI W.) and
While structural strength, the heat-exchange capacity of heat exchanger tube is further improved.Make tubing exchange capability of heat more than 10%.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the local circumferential sectional view of Fig. 1；
Fig. 3 is the fragmentary axial cross-section of Fig. 1；
Fig. 4 is the partial elevation view of Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1：
From Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of non-electric air conditioner heat-exchange pipe for evaporimeter, it includes tube body, tube body it is outer
Footpath is 16mm~25.4mm, and wall thickness is 0.5mm~0.6mm, and tube body is equipped with light section 3, rolling section 2, the rolling section 2
Including uniformly squeezing the recess 9 formed from the appearance of tube body towards inboard wall of tube body by pipe threading machine, the recess 9 is along outside tube body
Perficial helical is arranged, and the recess 9 protrusion inner wall makes to be formed along the spiral-distributed raised line 8 of inboard wall of tube body on inner wall, adjacent recessed
The helical fin 5 that the outer surface for being evenly distributed on tube body is equipped between 9 is fallen into, the cross section of helical fin 5 is in isosceles trapezoid, thereon
6 width of bottom is the mm of 0.10 mm~0.30, and 4 width of bottom are the mm of 0.4 mm~0.7, and high h is the mm of 0.15 mm~0.60, spiral wing
The axial density of piece 5 for 26 piece/inch~42 piece/inch, interval is uniformly distributed fluted 7 in 5 circumferential direction of helical fin, groove
7 be in inverted trapezoidal, and depth d is 0.10mm~0.30mm, and 7 number of groove is 50/~150, circle/circle.
The distance between adjacent raised line 8 of the utility model is the mm of 5 mm ~ 20, and the recess 9 protrusion inside wall height h1 is
The mm of 0.3 mm ~ 1.00,9 numbers of recess are 1/week ~ 3/week.
The cross section of recess 9 described in the utility model is arc-shaped.
The utility model is improves service life, and the tube body, helical fin 5 are by technical pure titanium or titanium alloy welded tube
Rolling is made.
The outer diameter of the present embodiment tube body is 19mm, wall thickness 0.6mm, and 6 width of bottom is 0.20 mm thereon, and 4 width of bottom are
0.50 mm, high h are 0.35 mm, and the axial density of helical fin 5 is 35 pieces/inch, is spaced in 5 circumferential direction of helical fin uniform
Fluted 7 are distributed, groove 7 is in inverted trapezoidal, and depth d is 0.20mm, and 7 number of groove is 85/circle；7 center line of groove and pipe
Sub- axial angle is 0 °.
The distance between adjacent raised line 8 of the present embodiment is 10 mm, and the recess 9 protrusion inside wall height h1 is 0.2 mm,
9 numbers that are recessed are 1/week.
The utility model rationally make use of the medium heat transmission inside and outside pipe, realize entirety by complex intensifying
The raising of efficiency, pipe heat exchange efficiency more efficient than same specification pitted skin type improve 15%.
Embodiment 2：
The outer diameter of the present embodiment tube body is 16mm, wall thickness 0.5mm, and 6 width of bottom is 0.10 mm thereon, and 4 width of bottom are
0.40 mm, high h are 0.15 mm, and the axial density of helical fin 5 is 42 pieces/inch, is spaced in 5 circumferential direction of helical fin uniform
Fluted 7 are distributed, groove 7 is in inverted trapezoidal, and depth d is 0.10mm, and 7 number of groove is 150/circle；7 center line of groove and pipe
Sub- axial angle is 45 °.
The distance between adjacent raised line 8 of the present embodiment is 5 mm, and the recess 9 protrusion inside wall height h1 is 0.1 mm,
9 numbers that are recessed are 3/week.Remaining same embodiment 1.
Embodiment 3：
The outer diameter of the present embodiment tube body is 16mm, wall thickness 0.5mm, and 6 width of bottom is 0.30 ㎜ thereon, and 4 width of bottom are
0.70 mm, high h are 0.6 mm, and the axial density of helical fin 5 is 26 pieces/inch, is spaced in 5 circumferential direction of helical fin uniform
Fluted 7 are distributed, groove 7 is in inverted trapezoidal, and depth d is 0.30mm, and 7 number of groove is 60/circle；7 center line of groove and pipe
Sub- axial angle is 45 °.
The distance between adjacent raised line 8 of the present embodiment is 20 mm, and the recess 9 protrusion inside wall height h1 is 1.00
Mm, 9 numbers of recess are 1/week.Remaining same embodiment 1.
Claims (5)
1. a kind of non-electric air conditioner heat-exchange pipe for evaporimeter, it includes tube body, and the outer diameter of tube body is 16mm~25.4mm, and wall thickness is
0.5mm~0.6mm, tube body is equipped with light section, rolling section, it is characterized in that the rolling section is included by pipe threading machine from tube body
Appearance the recess of formation is uniformly squeezed towards inboard wall of tube body, for the recess along outer surface of tube body helical arrangement, described is recessed
Protrusion inner wall is fallen into, makes to be formed along the spiral-distributed raised line of inboard wall of tube body on inner wall, is equipped between adjacent recessed and is evenly distributed on pipe
The helical fin of the outer surface of body, the cross section of helical fin is in isosceles trapezoid, and bottom width is the mm of 0.10 mm~0.30 thereon,
Lower bottom width is the mm of 0.4 mm~0.7, and high h is the mm of 0.15 mm~0.60, and helical fin axial direction density is 26 piece/inch~42
Piece/inch, interval is uniformly distributed fluted in helical fin circumferential direction, and groove is in inverted trapezoidal, depth d for 0.10mm~
0.30mm, groove number are 50/~150, circle/circle.
2. non-electric air conditioner heat-exchange pipe for evaporimeter according to claim 1, it is characterized in that the distance between adjacent raised line is 5
The mm of mm ~ 20, recess protrusion inside wall height are the mm of 0.3 mm ~ 1.00, and recess number is 1/week ~ 3/week.
3. non-electric air conditioner heat-exchange pipe for evaporimeter according to claim 1 or 2, it is characterized in that the concave cross section
To be arc-shaped.
4. non-electric air conditioner heat-exchange pipe for evaporimeter according to claim 1 or 2, it is characterized in that the tube body, spiral wing
Piece is made of technical pure titanium or titanium alloy welded tube.
5. non-electric air conditioner heat-exchange pipe for evaporimeter according to claim 3, it is characterized in that the tube body, helical fin are equal
It is made of technical pure titanium or titanium alloy welded tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429100.1U CN207395553U (en) | 2017-10-31 | 2017-10-31 | Non-electric air conditioner heat-exchange pipe for evaporimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429100.1U CN207395553U (en) | 2017-10-31 | 2017-10-31 | Non-electric air conditioner heat-exchange pipe for evaporimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207395553U true CN207395553U (en) | 2018-05-22 |
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ID=62327568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721429100.1U Active CN207395553U (en) | 2017-10-31 | 2017-10-31 | Non-electric air conditioner heat-exchange pipe for evaporimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207395553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166061A (en) * | 2021-11-30 | 2022-03-11 | 东华大学 | Sectional combined type inner finned tube device for reinforcing flowing boiling heat exchange |
-
2017
- 2017-10-31 CN CN201721429100.1U patent/CN207395553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166061A (en) * | 2021-11-30 | 2022-03-11 | 东华大学 | Sectional combined type inner finned tube device for reinforcing flowing boiling heat exchange |
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