CN216645015U - Heat exchanger structure of high-efficient heat transfer - Google Patents
Heat exchanger structure of high-efficient heat transfer Download PDFInfo
- Publication number
- CN216645015U CN216645015U CN202122607043.4U CN202122607043U CN216645015U CN 216645015 U CN216645015 U CN 216645015U CN 202122607043 U CN202122607043 U CN 202122607043U CN 216645015 U CN216645015 U CN 216645015U
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- Prior art keywords
- heat exchange
- gas
- cavity
- tube
- liquid
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- 239000007788 liquid Substances 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 52
- 239000002918 waste heat Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchanger structure for efficient heat exchange, which comprises a heat exchange box body, wherein the interior of the heat exchange box body is divided into an upper heat exchange cavity and a lower shunting cavity by a partition plate; a plurality of heat exchange tube bodies are arranged in the heat exchange cavity, each heat exchange tube body consists of an outer tube and an inner tube which are sleeved, a liquid channel is arranged between the outer tube and the inner tube, and a gas channel is arranged on the inner side of the inner tube; a gas inlet pipe, a gas outlet pipe, a liquid inlet pipe and a liquid outlet pipe are arranged outside the heat exchange box body; the inlet ends of the liquid channels are connected with the liquid inlet pipe through the lower confluence piece, and the outlet ends of the liquid channels are connected with the liquid outlet pipe through the upper confluence piece; the inlet ends of the plurality of gas channels are communicated with the flow dividing cavity, and the flow dividing cavity is communicated with the gas inlet pipe; the outlet ends of the plurality of gas channels are communicated with the heat exchange cavity, and the heat exchange cavity is communicated with the gas outlet pipe. The utility model has the advantage of high heat exchange efficiency.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a heat exchanger structure for efficient heat exchange.
Background
The industrial production discharges a large amount of waste gas and flue gas, and the waste gas and flue gas contain a large amount of waste heat, and can be used for heating water for waste heat recovery. However, the heat exchange efficiency of the traditional heat exchanger structure is not high, and the heat in the gas is difficult to be fully absorbed. In order to improve the recovery rate of gas waste heat, a heat exchanger structure for high-efficiency heat exchange is provided.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a heat exchanger structure for high-efficiency heat exchange, which has the advantage of high heat exchange efficiency.
The technical scheme is as follows: in order to achieve the purpose, the heat exchanger structure for efficient heat exchange comprises a heat exchange box body, wherein the interior of the heat exchange box body is divided into an upper heat exchange cavity and a lower shunting cavity by a partition plate; a plurality of heat exchange tube bodies are arranged in the heat exchange cavity, each heat exchange tube body consists of an outer tube and an inner tube which are sleeved, a liquid channel is arranged between the outer tube and the inner tube, and a gas channel is arranged on the inner side of the inner tube; a gas inlet pipe, a gas outlet pipe, a liquid inlet pipe and a liquid outlet pipe are arranged outside the heat exchange box body; the inlet ends of the liquid channels are connected with the liquid inlet pipe through the lower confluence piece, and the outlet ends of the liquid channels are connected with the liquid outlet pipe through the upper confluence piece; the inlet ends of the plurality of gas channels are communicated with the flow dividing cavity, and the flow dividing cavity is communicated with the gas inlet pipe; the outlet ends of the plurality of gas channels are communicated with the heat exchange cavity, and the heat exchange cavity is communicated with the gas outlet pipe.
Furthermore, the outlet end of the gas channel is positioned at the upper part in the heat exchange cavity, and the gas inlet end of the gas outlet pipe upwards sequentially penetrates through the diversion cavity and the partition plate and is communicated with the bottom of the heat exchange cavity.
Furthermore, the upper confluence piece and the lower confluence piece are both transverse U-shaped hollow pipes and are composed of two transverse pipes arranged side by side and a longitudinal pipe connected with one end of each of the two transverse pipes; the upper and lower longitudinal pipes are respectively connected with a liquid outlet pipe and a liquid inlet pipe; and the transverse pipe is provided with a gas through hole communicated with the gas channel.
Furthermore, the heat exchange tube bodies are obliquely arranged, the upper end and the lower end of each heat exchange tube body are respectively connected with two transverse tubes which are vertically staggered on the upper confluence piece and the lower confluence piece, the adjacent heat exchange tube bodies are obliquely crossed, and the heat exchange tube bodies are equidistantly spaced.
Furthermore, a plurality of annular fins are arranged on the outer pipe wall of the heat exchange pipe body.
Furthermore, the annular fin is vertically arranged, and two side surfaces of the annular fin are vertical surfaces; a plurality of annular fins on the same heat exchange tube body are arranged at equal intervals.
Has the advantages that: according to the heat exchanger structure for efficient heat exchange, the heat exchange tube body is formed by sleeving the outer tube and the inner tube, a liquid channel is formed between the outer tube and the inner tube, and a gas channel is formed inside the inner tube; the gas with the waste heat passes through the gas channel and then passes through the outer part of the outer pipe, so that the gas can exchange heat with the water in the liquid channel from the inner side and the outer side, the waste heat of the gas can be fully absorbed, and the heat exchange efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the heat exchange box;
FIG. 3 is a schematic connection diagram of the heat exchange tube body, the upper and lower headers;
FIG. 4 is a side view of an annular fin;
FIG. 5 is a perspective view showing the internal structure of the heat exchange tube body, the upper manifold and the lower manifold;
fig. 6 is a schematic view of an inner tube and an outer tube.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The heat exchanger structure for efficient heat exchange shown in fig. 1 to 6 comprises a heat exchange box body 1, and as shown in fig. 2, the inside of the heat exchange box body 1 is divided into an upper heat exchange cavity 3 and a lower flow dividing cavity 4 by a partition plate 2.
A plurality of heat exchange tube bodies 5 are arranged in the heat exchange cavity 3, the heat exchange tube bodies 5 are vertically arranged, as shown in fig. 6, each heat exchange tube body 5 is composed of an outer tube 6 and an inner tube 7 which are sleeved, a liquid channel 8 is arranged between the outer tube 6 and the inner tube 7, and a gas channel 9 is arranged on the inner side of the inner tube 7. And a gas inlet pipe 10, a gas outlet pipe 11, a liquid inlet pipe 12 and a liquid outlet pipe 13 are arranged outside the heat exchange box body 1.
The inlet ends of the plurality of fluid passages 8 are connected to the fluid inlet pipe 12 by a lower manifold 17, and the outlet ends of the plurality of fluid passages 8 are connected to the fluid outlet pipe 13 by an upper manifold 18. The inlet ends of the plurality of gas channels 9 are communicated with the flow dividing cavity 4, and the flow dividing cavity 4 is communicated with the gas inlet pipe 10. The outlet ends of the plurality of gas channels 9 are communicated with the heat exchange cavity 3, and the heat exchange cavity 3 is communicated with the gas outlet pipe 11.
The gas with the waste heat enters the heat exchange cavity 3 outside the heat exchange tube body 5 after passing through the gas channel 9 on the inner side of the heat exchange tube body 5, and exchanges heat with the water in the liquid channel 8 from the inner side and the outer side, so that the gas waste heat can be fully absorbed, and the heat exchange efficiency is high.
The outlet end of the gas channel 9 is positioned at the upper part in the heat exchange cavity 3, and the gas inlet end of the gas outlet pipe 11 sequentially penetrates through the diversion cavity 4 and the partition plate 2 upwards and is communicated with the bottom of the heat exchange cavity 3. As shown in fig. 1, after passing through the gas channel 9 from bottom to top, the gas passes through the heat exchange cavity 3 from top to bottom, so as to prolong the stroke of the gas in the heat exchange cavity 3, and enable the gas in the heat exchange cavity 3 and the water in the liquid channel 8 to fully exchange heat.
As shown in fig. 3 and 5, the upper bus bar 18 and the lower bus bar 17 are each a transverse U-shaped hollow tube, and the upper bus bar 18 and the lower bus bar 17 are respectively composed of two transverse tubes 14 arranged side by side and a longitudinal tube 15 connected to one end of the two transverse tubes 14. The upper and lower longitudinal pipes 15 are respectively connected with the liquid outlet pipe 13 and the liquid inlet pipe 12. The transverse pipe 14 is provided with a gas through hole 16 communicated with the gas channel 9, the lower end of the gas channel 9 is communicated with the diversion cavity 4 through the gas through hole 16 on the lower confluence piece 17 and the perforation 20 on the partition plate 2, and the upper end of the gas channel 9 is communicated with the heat exchange cavity 3 through the gas through hole on the upper confluence piece 18.
As shown in fig. 3 and 5, the heat exchange tube bodies 5 are obliquely arranged, the upper and lower ends of the heat exchange tube bodies 5 are respectively connected with two transverse tubes 14 which are vertically staggered on the upper and lower confluence pieces 18 and 17, the adjacent heat exchange tube bodies 5 are obliquely crossed, and the heat exchange tube bodies 5 are equidistantly spaced. Because the heat exchange tube body 5 is arranged obliquely, when gas passes through the heat exchange cavity 3 from top to bottom, the gas can be fully contacted with the outer tube wall of the heat exchange tube body 5, and therefore the heat exchange efficiency is improved.
A plurality of annular fins 19 are arranged on the wall of the outer pipe 6 of the heat exchange pipe body 5, so that the heat exchange area is increased, and the heat exchange efficiency is improved.
As shown in fig. 4, the annular fin 19 is vertically arranged, and both side surfaces of the annular fin 19 are vertical surfaces, so that wind resistance is reduced, and the negative influence of the annular fin 19 on gas flow is reduced as much as possible while the heat exchange area is increased. A plurality of annular fins 19 are arranged on the same heat exchange tube body 5 at equal intervals.
The working principle of the utility model is as follows: the chamber body enters from a liquid inlet pipe 12, sequentially passes through a lower confluence piece 17, a liquid channel 8 and an upper confluence piece 18 and is discharged from a liquid outlet pipe 13, gas with waste heat enters into the diversion cavity 4 from a gas inlet pipe 10, is shunted into each gas channel 9 through a plurality of perforations 20 on the partition plate 2, passes through the gas channels 9 from bottom to top, exchanges heat with water in the liquid channel 8 from the inner side, leaves from the upper part in the heat exchange cavity 3 and passes through the gas, then passes through the heat exchange cavity 3 from top to bottom, exchanges heat with the water in the liquid channel 8 from the outer side, and finally is discharged from the heat exchange cavity 3 from the gas outlet pipe 11. In the utility model, the gas can exchange heat with the water in the liquid channel 8 from the inner side and the outer side, and the heat exchange efficiency is high.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a heat exchanger structure of high-efficient heat transfer which characterized in that: the heat exchanger comprises a heat exchange box body (1), wherein the interior of the heat exchange box body (1) is divided into an upper heat exchange cavity (3) and a lower shunting cavity (4) by a partition plate (2); a plurality of heat exchange tube bodies (5) are arranged in the heat exchange cavity (3), each heat exchange tube body (5) consists of an outer tube (6) and an inner tube (7) which are sleeved, a liquid channel (8) is arranged between the outer tube (6) and the inner tube (7), and a gas channel (9) is arranged on the inner side of the inner tube (7); a gas inlet pipe (10), a gas outlet pipe (11), a liquid inlet pipe (12) and a liquid outlet pipe (13) are arranged outside the heat exchange box body (1);
the inlet ends of the liquid channels (8) are connected with the liquid inlet pipe (12) through a lower confluence piece (17), and the outlets of the liquid channels (8) are connected with the liquid outlet pipe (13) through an upper confluence piece (18); the inlet ends of the plurality of gas channels (9) are communicated with the flow dividing cavity (4), and the flow dividing cavity (4) is communicated with the gas inlet pipe (10); the outlet ends of the plurality of gas channels (9) are communicated with the heat exchange cavity (3), and the heat exchange cavity (3) is communicated with the gas outlet pipe (11).
2. A heat exchanger structure for high efficiency heat exchange according to claim 1, wherein: the outlet end of the gas channel (9) is positioned at the upper part in the heat exchange cavity (3), and the gas inlet end of the gas outlet pipe (11) upwards sequentially penetrates through the flow distribution cavity (4) and the partition plate (2) and is communicated with the bottom of the heat exchange cavity (3).
3. A heat exchanger structure for high efficiency heat exchange according to claim 2, wherein: the upper confluence piece (18) and the lower confluence piece (17) are both transverse U-shaped hollow tubes, and each U-shaped hollow tube consists of two transverse tubes (14) arranged side by side and a longitudinal tube (15) connected with one end of each transverse tube (14); the upper and lower longitudinal pipes (15) are respectively connected with a liquid outlet pipe (13) and a liquid inlet pipe (12); and the transverse pipe (14) is provided with a gas through hole (16) communicated with the gas channel (9).
4. A heat exchanger structure for high efficiency heat exchange according to claim 3, wherein: the heat exchange tube body (5) is obliquely arranged, the upper end and the lower end of the heat exchange tube body (5) are respectively connected with two transverse tubes (14) which are vertically staggered on the upper confluence piece (18) and the lower confluence piece (17), the adjacent heat exchange tube bodies (5) are obliquely crossed, and the heat exchange tube bodies (5) are equidistantly spaced.
5. The heat exchanger structure for high efficiency heat exchange according to claim 4, wherein: the wall of the outer pipe (6) of the heat exchange pipe body (5) is provided with a plurality of annular fins (19).
6. A heat exchanger construction for efficient heat exchange as recited in claim 5 wherein: the annular fin (19) is vertically arranged, and two side faces of the annular fin (19) are vertical faces; a plurality of annular fins (19) on the same heat exchange tube body (5) are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607043.4U CN216645015U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger structure of high-efficient heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607043.4U CN216645015U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger structure of high-efficient heat transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216645015U true CN216645015U (en) | 2022-05-31 |
Family
ID=81733179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122607043.4U Expired - Fee Related CN216645015U (en) | 2021-10-28 | 2021-10-28 | Heat exchanger structure of high-efficient heat transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216645015U (en) |
-
2021
- 2021-10-28 CN CN202122607043.4U patent/CN216645015U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |