CN210426194U - Compressed air steam circulation heating device - Google Patents
Compressed air steam circulation heating device Download PDFInfo
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- CN210426194U CN210426194U CN201920939685.4U CN201920939685U CN210426194U CN 210426194 U CN210426194 U CN 210426194U CN 201920939685 U CN201920939685 U CN 201920939685U CN 210426194 U CN210426194 U CN 210426194U
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- compressed air
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- heat dissipation
- inner tube
- steam
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Abstract
The utility model discloses a compressed air steam circulation heating device, which comprises a pipe body, the body comprises inner tube and outer tube, be equipped with spiral helicine heat dissipation spacer on the outer wall of inner tube, heat dissipation spacer sets up along inner tube length direction spiral, compressed air import and compressed air export have been seted up on the outer wall of outer tube, the both ends of body are equipped with steam inlet and the steam outlet with the inner tube intercommunication. Compared with the prior art, the utility model discloses an expanding structure increase steam heat transfer area improves the heat transfer effect, and through spiral helicine heat dissipation spacer, shape spiral helicine compressed air circulation passageway between inner tube and outer tube makes compressed air follow the passageway spiral and gos forward, greatly increased compressed air's dwell time, improve the heat transfer effect.
Description
Technical Field
The utility model relates to a indirect heating equipment especially relates to a compressed air steam circulation heating device.
Background
Most of the existing heat exchange equipment heats liquid or gas in a pipeline through high-temperature steam, and few heat exchange equipment heats external media through heat dissipation of the pipeline and does not adopt a mode of heating external high-pressure gas through heating steam from the inside.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compressed air steam circulation heating device who has solved above-mentioned problem.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a compressed air steam circulation heating device, includes the body, the body comprises inner tube and outer tube, be equipped with spiral helicine heat dissipation spacer on the outer wall of inner tube, heat dissipation spacer sets up along inner tube length direction spiral, compressed air import and compressed air export have been seted up on the outer wall of outer tube, the both ends of body are equipped with steam inlet and the steam outlet with the inner tube intercommunication.
Preferably, the heat dissipation spacer is located between the inner tube and the outer tube, and the interval between the heat dissipation spacer and the inner wall of the outer tube is less than 0.5 mm.
Preferably, the spiral pitch of the heat dissipation spacer is 3mm ± 0.5.
Preferably, the heat dissipation spacer has a thickness of 3mm ± 0.2 and a width of 8.5 mm. 4mpa
Preferably, the inner pipe is a steam expansion section, and two ends of the inner pipe are respectively provided with a two-stage expansion air inlet pipe structure and a two-stage contraction air outlet pipe structure.
Preferably, the air inlet pipe structure comprises an air inlet connecting pipe and an expansion section, the air inlet connecting pipe is communicated with the inner pipe through the expansion section, and the pipe diameters of the air inlet connecting pipe, the expansion section and the inner pipe are respectively increased step by step.
Preferably, the air outlet pipe structure is composed of an air outlet connecting pipe and a contraction section, the inner pipe is communicated with the air outlet connecting pipe through the contraction section, and the pipe diameters of the inner pipe, the contraction section and the air outlet connecting pipe are respectively reduced step by step.
Preferably, the heat dissipation spacer on the inner tube is of a segmented structure and is formed by splicing multiple sections of spiral heat dissipation spacers end to end.
Compared with the prior art, the utility model has the advantages of: the utility model discloses an expanding structure increase steam heat transfer area improves the heat transfer effect, through spiral helicine heat dissipation spacer, appears spiral helicine compressed air circulation passageway between inner tube and outer tube, makes compressed air follow the passageway spiral and gos forward, greatly increased compressed air's residence time, improves the heat transfer effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a partially enlarged schematic view of the present invention.
In the figure: 1. a pipe body; 11. an outer tube; 12. an inner tube; 2. a compressed air inlet; 3. a compressed air outlet; 4. a steam inlet; 5. a steam outlet; 6. a heat dissipation spacer; 7. an air inlet connecting pipe; 8. and (4) an expansion section.
Detailed Description
The present invention will be further explained below.
Example 1: referring to fig. 1, 2 and 3, a compressed air steam circulation heating device comprises a pipe body 1, wherein the pipe body 1 is composed of an inner pipe 12 and an outer pipe 11, a closed space is formed between the inner pipe 12 and the outer pipe 11 as a compressed air circulation channel, the inner pipe 12 is internally provided with a heated steam heating circulation channel, the outer wall of the inner pipe 12 is provided with a spiral heat dissipation spacer 6, the heat dissipation spacer 6 is spirally arranged along the length direction of the inner pipe 12, a spiral gap between the heat dissipation spacers 6 is used as a compressed air circulation channel, the entering compressed air spirally advances, the outer wall of the outer pipe 11 is provided with a compressed air inlet 2 and a compressed air outlet 3, the compressed air inlet 2 and the compressed air outlet 3 are respectively positioned at the left end and the right end of the compressed air circulation channel and are communicated with the compressed air circulation channel, the two ends of the pipe body 1 are provided with a steam inlet 4 and a steam outlet 5 which are communicated with, steam inlet 4 and steam outlet 5's position interchangeable, it is better with compressed air flow to opposite heat transfer effect, heat dissipation spacer 6 is located between inner tube 12 and outer tube 11, the interval of heat dissipation spacer 6 and outer tube 11 inner wall is less than 0.5mm, reserves the inflation space for heat dissipation spacer 6, avoids the inflation to cause the fracture, and the during operation can realize airtight effect, makes most compressed air advance along helical passage, makes it obtain abundant heat transfer, and the gas seal is real-time when pressure is too big, and this clearance can regard as the pressure release passageway, reduces 6 horizontal atress of heat dissipation spacer, avoids equipment to damage.
Workflow, the circulation passageway of spiral interval as compressed air between the heat dissipation spacer 6, compressed air follow the compressed air import 2 entering back of 11 one ends of outer tube, advances along the intermittent type spiral between the heat dissipation spacer 6, carries out the heat transfer through the high temperature steam in heat dissipation spacer 6 and the inner tube 12 to this high pressure air rapid heating, compressed air after the heating is discharged from the compressed air export 3 of the 11 other ends of outer tube.
The heat dissipation spacer 6 is made of copper sheets with excellent heat conductivity and corrosion resistance, the spiral distance of the heat dissipation spacer 6 is 3mm +/-0.5, the thickness of the heat dissipation spacer 6 is 3mm +/-0.2, the width of the heat dissipation spacer 6 is 8.5mm, and the heat dissipation spacer can resist 4mpa of compressed air.
The pipe diameter of the inner pipe 12 is larger than that of the steam gas pipe to be connected at two ends, and the inner pipe 12 is designed into an expanded pipe shape so as to increase the heat exchange area of heating steam and improve the heat exchange effect. And two ends of the inner pipe 12 are respectively provided with a two-stage expanded air inlet pipe structure and a two-stage contracted air outlet pipe structure, the air inlet pipe structure and the air outlet pipe structure are the same, and the air inlet and outlet directions are opposite. Intake-tube structure comprises air inlet connection pipe 7, expansion section 8, air inlet connection pipe 7 communicates through expansion section 8 and inner tube 12, the pipe diameter of air inlet connection pipe 7, expansion section 8, inner tube 12 increases step by step respectively, gets into the back from air inlet connection pipe 7 and passes through 8 one-level expansions of expansion section, rethread inner tube 12 second grade expansions to this increases heat transfer area. The air outlet pipe structure is composed of an air outlet connecting pipe and a contraction section, the inner pipe 12 is communicated with the air outlet connecting pipe through the contraction section, and the pipe diameters of the inner pipe 12, the contraction section and the air outlet connecting pipe are respectively reduced step by step. The two-stage expansion and contraction is adopted to avoid uneven heating at the corner parts in the inner tube due to the sudden increase of the tube diameter of the inner tube 12.
The above description is made in detail for the compressed air steam circulation heating device provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A compressed air steam circulation heating device is characterized in that: the steam-cooling water pipe comprises a pipe body, the pipe body comprises inner tube and outer tube, be equipped with spiral helicine heat dissipation spacer on the outer wall of inner tube, heat dissipation spacer sets up along inner tube length direction spiral, compressed air inlet and compressed air export have been seted up on the outer wall of outer tube, the both ends of pipe body are equipped with steam inlet and the steam outlet with the inner tube intercommunication.
2. A compressed air vapor cycle heating apparatus as set forth in claim 1, wherein: the heat dissipation spacer is located between the inner pipe and the outer pipe, and the interval between the heat dissipation spacer and the inner wall of the outer pipe is smaller than 0.5 mm.
3. A compressed air vapor cycle heating apparatus as set forth in claim 1, wherein: the spiral space of the heat dissipation spacer is 3mm +/-0.5.
4. A compressed air vapor cycle heating apparatus as set forth in claim 1, wherein: the thickness of heat dissipation spacer is 3mm 0.2, and its width is 8.5 mm.
5. A compressed air vapor cycle heating apparatus as set forth in claim 1, wherein: the inner tube is a steam expansion section, and two ends of the inner tube are respectively provided with a two-stage expansion air inlet tube structure and a two-stage contraction air outlet tube structure.
6. A compressed air steam cycle heating apparatus as set forth in claim 5, wherein: the intake pipe structure comprises air inlet connection pipe, expansion section, the air inlet connection pipe passes through expansion section and inner tube intercommunication, the pipe diameter of air inlet connection pipe, expansion section, inner tube increases step by step respectively.
7. A compressed air steam cycle heating apparatus as set forth in claim 5, wherein: the air outlet pipe structure is composed of an air outlet connecting pipe and a contraction section, the inner pipe is communicated with the air outlet connecting pipe through the contraction section, and the pipe diameters of the inner pipe, the contraction section and the air outlet connecting pipe are respectively reduced step by step.
8. A compressed air vapor cycle heating apparatus as set forth in claim 1, wherein: the heat dissipation spacer on the inner tube is of a segmented structure and is formed by connecting multiple sections of spiral heat dissipation spacers end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939685.4U CN210426194U (en) | 2019-06-21 | 2019-06-21 | Compressed air steam circulation heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920939685.4U CN210426194U (en) | 2019-06-21 | 2019-06-21 | Compressed air steam circulation heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210426194U true CN210426194U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920939685.4U Active CN210426194U (en) | 2019-06-21 | 2019-06-21 | Compressed air steam circulation heating device |
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| Country | Link |
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| CN (1) | CN210426194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279202A (en) * | 2021-12-15 | 2022-04-05 | 河北白沙烟草有限责任公司保定卷烟厂 | Device for improving steam dryness |
-
2019
- 2019-06-21 CN CN201920939685.4U patent/CN210426194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279202A (en) * | 2021-12-15 | 2022-04-05 | 河北白沙烟草有限责任公司保定卷烟厂 | Device for improving steam dryness |
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