CN214039654U - High-temperature combined heat exchanger - Google Patents
High-temperature combined heat exchanger Download PDFInfo
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- CN214039654U CN214039654U CN202022998772.2U CN202022998772U CN214039654U CN 214039654 U CN214039654 U CN 214039654U CN 202022998772 U CN202022998772 U CN 202022998772U CN 214039654 U CN214039654 U CN 214039654U
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- flue gas
- heat transfer
- gas pipe
- transfer district
- heat exchanger
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Abstract
The utility model discloses a high temperature combination heat exchanger, which comprises a housin, be provided with first heat transfer district and second heat transfer district in the casing, be provided with a plurality of finned tubes in the first heat transfer district, and the finned tube is provided with expansion section and contraction section, be provided with the flue gas pipe in the second heat transfer district, and finned tube intercommunication in flue gas pipe and the first heat transfer district, be provided with the drainage tube that communicates outside the flue gas pipe in the flue gas pipe, and still be provided with the baffle in the flue gas pipe. The utility model discloses a be provided with first heat transfer district and second heat transfer district in the casing, and the finned tube in the first heat transfer district sets up to expansion section and contraction section and sets up in turn, is provided with the drainage tube in the flue gas pipe in the second heat transfer district, can show the heat exchange efficiency who improves the high temperature flue gas, reduces the energy consumption.
Description
Technical Field
The utility model relates to a heat exchanger technical field, in particular to high temperature combination heat exchanger.
Background
A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. When being used for high-temperature flue gas heat exchange, the conventional heat exchanger has the problem of low heat exchange efficiency and cannot meet the use requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature combination heat exchanger to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature combination heat exchanger, includes the casing, be provided with first heat transfer district and second heat transfer district in the casing, be provided with a plurality of finned tubes in the first heat transfer district, and the finned tube is provided with expansion section and contraction section, be provided with the flue gas pipe in the second heat transfer district, and the finned tube intercommunication in flue gas pipe and the first heat transfer district, be provided with the drainage tube that communicates outside the flue gas pipe in the flue gas pipe, and still be provided with the baffle in the flue gas pipe.
As a further improvement to the above technical solution, one end of the first heat exchange zone is provided with a flue gas inlet, and one end of the second heat exchange zone is provided with a flue gas outlet.
As a further improvement to the technical scheme, the expansion sections and the contraction sections are alternately arranged at intervals.
As a further improvement to the technical scheme, the upper end of the shell is provided with a water inlet cavity, water inlets which enter the first heat exchange area and the second heat exchange area are respectively arranged in the water inlet cavity, the lower end of the shell is provided with a water outlet cavity, and a water outlet which is respectively communicated with the first heat exchange area and the second heat exchange area is arranged in the water outlet cavity.
As a further improvement to the above technical solution, the finned tube is provided with a helical fin.
As a further improvement to the above solution, the diameter of the expanding section is twice the diameter of the contracting section.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with first heat transfer district and second heat transfer district in the casing, and the finned tube in the first heat transfer district sets up to expansion section and contraction section and sets up in turn, is provided with the drainage tube in the flue gas pipe in the second heat transfer district, can show the heat exchange efficiency who improves the high temperature flue gas, reduces the energy consumption.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1-a shell; 2-a flue gas inlet; 3-an expansion section; 4-a contraction section; 5-finned tubes; 6-water inlet cavity; 7-a flue gas pipe; 8-a drainage tube; 9-a baffle plate; 10-a flue gas outlet; 11-water outlet chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a high temperature combination heat exchanger as shown in figure 1, which comprises a shell 1, a flue gas inlet 2 and a flue gas outlet 10, specifically, a first heat exchange area and a second heat exchange area are arranged in the shell 1, firstly, a plurality of finned tubes 5 are arranged in the first heat exchange area, the finned tubes 5 are provided with an expansion section 3 and a contraction section 4, the flow speed of flue gas can be reduced by arranging the expansion section 3 and the contraction section 4, the gas can be disturbed, the heat exchange efficiency is improved, meanwhile, a flue gas pipe 7 is arranged in the second heat exchange area, the flue gas pipe 7 is communicated with the finned tubes 5 in the first heat exchange area, high temperature flue gas is converged together through the finned tubes 5 in the first heat exchange area and enters the flue gas pipe 7 in the second heat exchange area, a drainage tube 8 communicated with the outside of the flue gas pipe 7 is arranged in the flue gas pipe 7, and a baffle 9 is also arranged in the flue gas pipe 7, set up through baffle 9 can slow down the circulation speed of flue gas in flue gas pipe 7, improve heat exchange efficiency, and drainage tube 8 communicates with flue gas pipe 7 is outer in addition, can introduce cold water to drainage tube 8 in, from flue gas pipe 7 interior heat transfer, and then further improve heat exchange efficiency.
In the above embodiment, it should be further explained that the expansion sections 3 and the contraction sections 4 are alternately arranged at intervals, so as to improve the heat exchange efficiency; in addition, the upper end of the shell 1 is provided with a water inlet cavity 6, water inlets which enter the first heat exchange area and the second heat exchange area are respectively arranged in the water inlet cavity 6, the lower end of the shell 1 is provided with a water outlet cavity 11, and water outlets which are respectively communicated with the first heat exchange area and the second heat exchange area are arranged in the water outlet cavity 11.
Finally, the finned tube 5 is provided with spiral fins to improve the heat exchange efficiency of the finned tube 5, and the diameter of the expansion section 3 is two times of that of the contraction section 4 to improve the efficiency of flue gas disturbance.
The utility model discloses during the use, the finned tube in the first heat transfer area is got into from the flue gas import earlier to the high temperature flue gas, through first heat transfer area heat transfer back, and the flue gas assembles from the finned tube and gets into the flue gas pipe in the second heat transfer area together, carries out the second time heat transfer back through the flue gas pipe, discharges from the exhanst gas outlet, can show improvement flue gas heat exchange efficiency.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A high temperature combination heat exchanger, includes casing (1), its characterized in that: be provided with first heat transfer district and second heat transfer district in casing (1), be provided with a plurality of finned tubes (5) in the first heat transfer district, and finned tube (5) are provided with expansion section (3) and shrinkage section (4), be provided with flue gas pipe (7) in the second heat transfer district, and finned tube (5) intercommunication in flue gas pipe (7) and the first heat transfer district, be provided with in flue gas pipe (7) with the outer drainage tube (8) of intercommunication of flue gas pipe (7), and still be provided with baffle (9) in flue gas pipe (7).
2. A high temperature combination heat exchanger as set forth in claim 1, wherein: one end of the first heat exchange area is provided with a flue gas inlet (2), and one end of the second heat exchange area is provided with a flue gas outlet (10).
3. A high temperature combination heat exchanger as set forth in claim 1, wherein: the expansion sections (3) and the contraction sections (4) are alternately arranged at intervals.
4. A high temperature combination heat exchanger as set forth in claim 1, wherein: the heat exchanger is characterized in that a water inlet cavity (6) is arranged at the upper end of the shell (1), water inlets entering the first heat exchange area and the second heat exchange area are respectively arranged in the water inlet cavity (6), a water outlet cavity (11) is arranged at the lower end of the shell (1), and water outlets respectively communicated with the first heat exchange area and the second heat exchange area are arranged in the water outlet cavity (11).
5. A high temperature combination heat exchanger as set forth in claim 1, wherein: the finned tube (5) is provided with spiral fins.
6. A high temperature combination heat exchanger as set forth in claim 1, wherein: the diameter of the expanding section (3) is twice that of the contracting section (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998772.2U CN214039654U (en) | 2020-12-15 | 2020-12-15 | High-temperature combined heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022998772.2U CN214039654U (en) | 2020-12-15 | 2020-12-15 | High-temperature combined heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214039654U true CN214039654U (en) | 2021-08-24 |
Family
ID=77336806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022998772.2U Active CN214039654U (en) | 2020-12-15 | 2020-12-15 | High-temperature combined heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214039654U (en) |
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2020
- 2020-12-15 CN CN202022998772.2U patent/CN214039654U/en active Active
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