CN215637091U - Flag type heating surface structure of spiral fin tube - Google Patents
Flag type heating surface structure of spiral fin tube Download PDFInfo
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- CN215637091U CN215637091U CN202121100966.4U CN202121100966U CN215637091U CN 215637091 U CN215637091 U CN 215637091U CN 202121100966 U CN202121100966 U CN 202121100966U CN 215637091 U CN215637091 U CN 215637091U
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Abstract
The utility model relates to the technical field of heating surface structures, in particular to a flag type heating surface structure of a spiral fin tube, which can reduce the number of heating surface tubes and the occupied space of a flue and save the manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of heating surface structures, in particular to a flag type heating surface structure of a spiral finned tube.
Background
The conventional flag type heating surface adopts a light pipe form, the heating surface pipe is led out from the water-cooled wall of the rear wall, the heat exchange area is increased by adopting a coil pipe form, and finally the heating surface pipe returns to the water-cooled wall of the rear wall.
Disclosure of Invention
In order to solve the problems that the existing heating surface pipe occupies more flue space and has high manufacturing cost, the utility model provides a flag type heating surface structure of a spiral fin pipe, which can reduce the number of the heating surface pipes and the occupied space of a flue and save the manufacturing cost.
The technical scheme is as follows: a flag type heating surface structure of a helical fin tube comprises a heating surface and is characterized in that the heating surface comprises an upper heating surface and a lower heating surface which are arranged at intervals, the upper heating surface and the lower heating surface respectively comprise at least two layers of heating surface tubes, one ends of the heating surface tubes are connected with a rear wall water-cooled wall, the other ends of the heating surface tubes are connected with a small distribution header close to the partition wall water-cooled wall, a partition plate located between the upper heating surface and the lower heating surface is installed in the rear wall water-cooled wall, and helical fins are arranged on the heating surface tubes.
The spiral fin type solar water-cooled solar water heater is further characterized in that side sealing tube plates are respectively arranged at two ends of the spiral fin, supporting seats are respectively arranged at the side sealing tube plates and the bottom of the small distribution header, and the supporting seats are fixed on the rear wall water-cooled wall and the partition wall water-cooled wall;
and a sealing cover plate is fixed above the side sealing tube plate, one end of the sealing cover plate is welded with the rear wall water-cooled wall and the partition wall water-cooled wall, and the other end of the sealing cover plate is fixedly connected with the side sealing tube plate through bolts.
After the heat exchanger is adopted, the spiral fins are arranged on the heated surface tubes, the number of the heated surface tubes is reduced under the condition of ensuring the same heat exchange area and heat exchange efficiency, the manufacturing cost is saved, the occupied space is reduced, a partition plate is additionally arranged in the water cooled wall of the rear wall, water is fed from one end of the water cooled wall of the rear wall, water is discharged from the other end of the water cooled wall of the rear wall, and a return stroke is realized by matching the upper and lower heated surfaces and the small distribution header to complete the heat exchange process; furthermore, the arrangement of the sealing cover plate and the side sealing tube plate can ensure that the flue gas completely flows through the spiral fin part, so that a flue gas corridor is not formed, and the heat exchange effect is further ensured.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
As shown in fig. 1, a flag-type heating surface structure of a helical fin tube comprises a heating surface, the heating surface comprises an upper heating surface 5 and a lower heating surface 3 which are arranged at intervals, each of the upper heating surface 5 and the lower heating surface 3 comprises eight layers of heating surface tubes, each layer can be arranged side by side, one end of each heating surface tube is connected with a rear wall water-cooled wall 1, the other end of each heating surface tube is connected with a small distribution header 4 close to a partition wall water-cooled wall 9, a partition plate 2 positioned between the upper heating surface 5 and the lower heating surface 3 is installed in the rear wall water-cooled wall 1 to realize partition, so that the lower part of the rear wall water-cooled wall 1 is a water inlet end, the top part of the rear wall water-cooled wall 1 is a water outlet end, and the heating surface tubes are provided with helical fins, namely, the part with a larger middle size.
The two ends of each spiral fin are respectively provided with a side sealing tube plate 6, the bottom of each side sealing tube plate 6 and the bottom of each distribution small header 4 are respectively provided with a supporting seat 8, the bottom supporting effect is achieved, and the supporting seats 8 are fixed on the rear wall water cooled wall 1 and the partition wall water cooled wall 9.
And a sealing cover plate 7 is fixed above the side sealing tube plate 6, one end of the sealing cover plate 7 is welded with the rear wall water-cooled wall 1 and the partition wall water-cooled wall 9, and the other end of the sealing cover plate 7 is fixedly connected with the side sealing tube plate 7 through bolts.
One end of the lower heating surface 3 and one end of the upper heating surface 5 are welded on the water wall 1 of the rear wall, and the other end of the lower heating surface is welded on the small distribution header 4. Meanwhile, a rear wall water-cooled wall partition plate 2 is welded in the middle of a rear wall water-cooled wall pipe of the led-out medium, so that the medium of the rear wall water-cooled wall 1 flows through a lower heating surface 3 and then enters an upper heating surface 5 through a small distribution header 4. In order to ensure the stable structure of the flag type heating surface, the lower parts of the left and right tube plates and the small distribution header 4 are provided with supporting seats 8, one of which takes root on the partition wall water-cooled wall 9, and the other takes root on the rear wall water-cooled wall 1 to support the whole flag type heating surface. Meanwhile, in order to ensure that the flue gas completely flows through the spiral fin part, a flue gas corridor is not formed, and the heat exchange effect is ensured, a side sealing tube plate 6 and a sealing cover plate 7 are arranged in the direction of the heating surface facing the flue gas, so that the sealing effect is realized.
Claims (3)
1. A flag type heating surface structure of a helical fin tube comprises a heating surface and is characterized in that the heating surface comprises an upper heating surface and a lower heating surface which are arranged at intervals, the upper heating surface and the lower heating surface respectively comprise at least two layers of heating surface tubes, one ends of the heating surface tubes are connected with a rear wall water-cooled wall, the other ends of the heating surface tubes are connected with a small distribution header close to the partition wall water-cooled wall, a partition plate located between the upper heating surface and the lower heating surface is installed in the rear wall water-cooled wall, and helical fins are arranged on the heating surface tubes.
2. The flag-type heating surface structure of helical fin tube as claimed in claim 1, wherein the helical fin has side sealing tube plates at both ends, and the side sealing tube plates and the bottom of the distribution header are provided with supporting seats fixed to the rear wall water wall and the partition wall water wall.
3. The flag-type heating surface structure of a helical fin tube as claimed in claim 2, wherein a sealing cover plate is fixed above the side sealing tube plate, one end of the sealing cover plate is welded to the rear wall water-cooling wall and the partition wall water-cooling wall, and the other end of the sealing cover plate is fixedly connected with the side sealing tube plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100966.4U CN215637091U (en) | 2021-05-21 | 2021-05-21 | Flag type heating surface structure of spiral fin tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100966.4U CN215637091U (en) | 2021-05-21 | 2021-05-21 | Flag type heating surface structure of spiral fin tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215637091U true CN215637091U (en) | 2022-01-25 |
Family
ID=79939081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121100966.4U Active CN215637091U (en) | 2021-05-21 | 2021-05-21 | Flag type heating surface structure of spiral fin tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215637091U (en) |
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2021
- 2021-05-21 CN CN202121100966.4U patent/CN215637091U/en active Active
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