CN2556588Y - Petaling straight cannelure pipe - Google Patents
Petaling straight cannelure pipe Download PDFInfo
- Publication number
- CN2556588Y CN2556588Y CN02266123U CN02266123U CN2556588Y CN 2556588 Y CN2556588 Y CN 2556588Y CN 02266123 U CN02266123 U CN 02266123U CN 02266123 U CN02266123 U CN 02266123U CN 2556588 Y CN2556588 Y CN 2556588Y
- Authority
- CN
- China
- Prior art keywords
- groove
- curvature radius
- straight
- tube
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to an improvement of a petal-shaped upright longitudinal groove tube and is characterized in that the curvature radius R1 of a groove corrugation crest, which is 1-3mm, is larger than the curvature radius R2 of a groove corrugation trough, the R1 to the R2 is more than 1.5 but less than 2.5; the depth of the groove corrugation trough is between 1.0 mm and 1.1 mm. The improved petal-shaped upright longitudinal groove tube increases the ratio of the curvature radius of the groove corrugation crest to the curvature radius of the groove corrugation trough, not only leads a flowing membrane outside the tube to more evenly cover the transmission surface but also effectively improve heat transmission capability because the remarkable increase of Marangoni effect and the strengthening of secondary disturbance flow of cooling water and chilled water inside the tube.
Description
Technical field
The utility model relates to a kind of 95234567.6 petal straight pod pipe patents to be improved.
Background technology
95234567.6 the feature of petal straight pod pipe patent is to be provided with the cannelure line on the pipe inside and outside wall, the peak of groove line is identical with paddy curvature, and radius of curvature R is 1～3mm.This patent does some to change making the outer liquid film disturbance of pipe stronger in implementation process, heat transfer and mass transfer ability significantly strengthen.
Summary of the invention
The purpose of this utility model is that 95234567.6 petal straight pod pipe patents are improved, and provides the outer liquid film disturbance of a kind of pipe stronger, conducts heat and the remarkable petal straight pod pipe that strengthens of mass transfer ability.
The technical solution of the utility model is, it is made of body, on the pipe inside and outside wall, be provided with straight cannelure line, wall cross-section thickness uniformity, be characterized in that the radius of curvature R 1 at groove line peak is greater than the radius of curvature R 2 of groove line paddy, R1 is 1～3mm, 1.5＜R1/R2＜2.5, the degree of depth of groove line paddy is between 1.0～1.1mm.
Because the degree of depth of groove line paddy of the present utility model deepens to be improved between 1.0～1.1 by the 0.5mm of former patent, the radius of curvature R 1 at groove line peak is greater than the radius of curvature R 2 of groove line paddy, R1/R2=1 increase by former patent is 1.5＜R1/R2＜2.5, make the outer not only more uniform topped heating surface of film that flows of pipe, and owing to horse traction dagger-axe Buddhist nun effect significantly strengthens, because the second-disturbing flow of cooling water and chilled water strengthens, heat-transfer capability is effectively improved in the pipe.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
The utility model embodiment does an explanation in conjunction with the accompanying drawings.
Shown in Fig. 1,2, present embodiment, body 1 is the bronzing pipe, establishes 15 straight cannelures 2 within it on the outer wall, the radius of curvature R 1 at groove line peak is 1.07mm, the radius of curvature R 2 of groove line paddy is 0.52mm, and R1/R2=1.07/0.52 is 2.06, and the depth d of groove line paddy is 1.07mm, pipe thickness t is 0.7mm, outer diameter D o is 1 6mm, and internal diameter is 12.46mm, and adjacent slot line summit spacing P is 3.327mm.When should be effective on absorber the time, velocity in pipes 1.5m/s, during sprinkle density 190kg/mh, recording its heat transfer coefficient is 1200kcal/m
2H ℃, heat transfer coefficient has improved many.
Claims (1)
1, a kind of petal straight pod pipe, it is made of body, on the pipe inside and outside wall, be provided with straight cannelure line, wall cross-section thickness uniformity, be characterized in that the radius of curvature R 1 at groove line peak is greater than the radius of curvature R 2 of groove line paddy, R1 is 1～3mm, 1.5＜R1/R2＜2.5, the degree of depth of groove line paddy is between 1.0～1.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02266123U CN2556588Y (en) | 2002-08-08 | 2002-08-08 | Petaling straight cannelure pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02266123U CN2556588Y (en) | 2002-08-08 | 2002-08-08 | Petaling straight cannelure pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556588Y true CN2556588Y (en) | 2003-06-18 |
Family
ID=33732019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02266123U Expired - Fee Related CN2556588Y (en) | 2002-08-08 | 2002-08-08 | Petaling straight cannelure pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556588Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832728A (en) * | 2010-04-08 | 2010-09-15 | 江门市保值久机电有限公司 | Heat exchange pipe |
| CN102650480A (en) * | 2011-02-22 | 2012-08-29 | 富士电机零售设备系统株式会社 | Heat exchanger |
-
2002
- 2002-08-08 CN CN02266123U patent/CN2556588Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832728A (en) * | 2010-04-08 | 2010-09-15 | 江门市保值久机电有限公司 | Heat exchange pipe |
| CN102650480A (en) * | 2011-02-22 | 2012-08-29 | 富士电机零售设备系统株式会社 | Heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |