CN207881179U - A kind of fresh air high-temperature heat-exchanging - Google Patents
A kind of fresh air high-temperature heat-exchanging Download PDFInfo
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- CN207881179U CN207881179U CN201820142948.4U CN201820142948U CN207881179U CN 207881179 U CN207881179 U CN 207881179U CN 201820142948 U CN201820142948 U CN 201820142948U CN 207881179 U CN207881179 U CN 207881179U
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- heat exchanger
- tube sheet
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- fresh air
- tube
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Abstract
The utility model discloses a kind of fresh air high-temperature heat-exchanging, shell is fixed on the base, and the setting of heat exchanger cylinder is inside the shell；The both ends of heat exchanger cylinder are respectively arranged with high temperature air inlet reducing mouth and high temperature outlet reducing mouth, and heat preservation expansion loop is respectively arranged on the end of high temperature inlet, outlet reducing mouth；Several heat exchanger tubes are provided in heat exchanger cylinder, heat exchanger tube is separately mounted between the cold end tube sheet being oppositely arranged and hot junction tube sheet, and cool and heat ends tube sheet is arranged in heat exchanger cylinder；The top of heat exchanger cylinder is provided with cold fresh air and enters reducing mouth and cold fresh air discharge reducing mouth；It is provided with thermal compensation bellows on the outside of cold end tube sheet, the combination of sealing gland tube sheet is provided on the outside of the tube sheet of hot junction, sealing gland tube sheet combination outside is provided with high temperature compensation tube sheet.Connection is rolled between heat exchanger tube and pedestal so that heat exchanger tube can move freely when passing through high-temperature heat expansion.And heat exchanger is sealed by high pressure air seal method, is avoided and is collaborated.
Description
Technical field
The utility model is related to a kind of heat exchanger, more particularly to a kind of fresh air high-temperature heat-exchanging belongs to industrial heat exchange device skill
Art field.
Background technology
Currently, China is faced with the severe challenge of industrial pollution control, and the exhaust gas of industrial process discharge is atmosphere pollution
One of important sources.With the reinforcement of National Environmental legistration work, governments at all levels and relevant department also increase and supervise environmental protection
The improvement of dynamics, China industrial organic exhaust gas VOC enters the stage quickly propelled, especially roller coating, tank processed, spraying, chemical industry,
The fields such as furniture, electronics.
But high-temperature flue gas, from 750 DEG C or so drop to exit 600 DEG C or so of entrance, high-temperature heat-exchanging is heated
Expansion occurs because the thermal expansion uptake of the corrugated-type expansion joint of high-temperature heat-exchanging is not enough to counteracting high-temperature heat-exchanging because of thermal expansion
Elongation, lead to occur the cracked deformation of tube brakes, tube sheet, the phenomenon that pipeline is deformed because of thermal expansion, serious hair
Heat transfer effect can not be ensured by opening up.
Utility model content
The purpose of the utility model is to provide a kind of fresh air high-temperature heat-exchanging, the heat exchanger good effect of heat exchange, and environmental protection
It is up to standard.
To achieve the above object, the technical solution adopted in the utility model is, discloses a kind of fresh air high-temperature heat-exchanging,
It is fixed on the base including pedestal, shell and heat exchanger cylinder, shell, and the setting of heat exchanger cylinder is inside the shell；The heat exchange
The both ends of device cylinder are respectively arranged with high temperature air inlet reducing mouth and high temperature outlet reducing mouth, the end of high temperature inlet, outlet reducing mouth
On be respectively arranged with heat preservation expansion loop；Several heat exchanger tubes are provided in the heat exchanger cylinder, heat exchanger tube is separately mounted to phase
Between the cold end tube sheet and hot junction tube sheet of setting, and cool and heat ends tube sheet is arranged in heat exchanger cylinder；The heat exchanger cylinder
Top be provided with cold fresh air enter reducing mouth and cold fresh air discharge reducing mouth；It is provided with thermal compensation on the outside of cold end tube sheet
Bellows, is provided with the combination of sealing gland tube sheet on the outside of the tube sheet of hot junction, and sealing gland tube sheet combination outside is provided with high temperature compensation pipe
Plate.
Preferably, the cool and heat ends tube sheet is circular slab, heat exchanger tube uniformly it is intensive be distributed in cool and heat ends tube sheet it
Between.
Preferably, since air-flow enter direction, be located at cool and heat ends tube sheet top half heat exchanger tube diameter by
Small variation is arrived greatly；Positioned at the ascending variation of diameter of the heat exchanger tube of cool and heat ends tube sheet lower half portion.It can enable air-flow
It uniformly, is effectively flowed according to design anticipation.
Preferably, the periphery of the heat exchanger cylinder is provided with heat-preservation cotton, and it is support rib between heat-preservation cotton and shell
Frame.
Preferably, the heat exchanger cylinder is welded on by fixing support rack on pedestal, cool and heat ends tube sheet passes through activity
Axis is movably connected with the base.
Preferably, the sealing gland tube sheet group, which is closed, is provided with sealing gland pipe, and before the combination of sealing gland tube sheet and hot junction tube sheet
It is sealed by tube sheet wheel flange strengthening version, and be fixed by the way that flange is clamped.
Preferably, being provided with wind shield among the heat exchanger tube.Enable air-flow uniform, effective according to design anticipation
Flowing.
The beneficial effects of the utility model：Connection is rolled between the heat exchanger tube and pedestal of this patent heat exchanger so that heat exchange
Pipe can move freely when passing through high-temperature heat expansion.And heat exchanger is sealed by high pressure air seal method so that exhaust gas and fresh air
Heat exchange, which avoids, collaborates.
Description of the drawings
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the partial enlarged view of A-A in Fig. 1；
Fig. 4 is the partial enlarged view of B-B in Fig. 1；
Fig. 5 is the partial enlarged view of I in Fig. 1；
In figure：1. pedestal, 2. shells, 3. heat exchanger cylinders, 4. high temperature air inlet reducing mouths, 5. high temperature outlet reducing mouths, 6.
Heat preservation expansion loop, 7. heat exchanger tubes, 8. cold end tube sheets, 9. hot junction tube sheets, 10. cold fresh airs enter reducing mouth, 11. cold fresh airs discharges
Reducing mouth, 12. thermal compensation bellowss, the combination of 13. sealing gland tube sheets, 14. high temperature compensation tube sheets, 15. heat-preservation cottons, 16. support frames,
17. fixing support rack, 18. movable axis, 19. sealing gland pipes, 20. tube sheet wheel flange strengthening versions, 21. clamping flanges, 22. wind shields.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with embodiment pair
Technical solution in the application is clearly and completely described.
As shown in Figures 1 to 5, it the utility model discloses a kind of fresh air high-temperature heat-exchanging, including pedestal 1, shell 2 and changes
Hot device cylinder 3, shell 2 are fixed on pedestal 1, and heat exchanger cylinder 3 is arranged in shell 2；The two of the heat exchanger cylinder 3
End is respectively arranged with high temperature air inlet reducing mouth 4 and high temperature outlet reducing mouth 5, divides on the end of high temperature inlet, outlet reducing mouth 4 and 5
It is not provided with heat preservation expansion loop 6；Several heat exchanger tubes 7 are provided in the heat exchanger cylinder 3, heat exchanger tube 7 is separately mounted to relatively
Between the cold end tube sheet 8 and hot junction tube sheet 9 of setting, and cool and heat ends tube sheet 8 and 9 is arranged in heat exchanger cylinder 3；The heat exchange
The top of device cylinder 3 is provided with cold fresh air and enters reducing mouth 10 and cold fresh air discharge reducing mouth 11；Positioned at the outside of cold end tube sheet 8
It is provided with thermal compensation bellows 12, the outside of hot junction tube sheet 9 is provided with sealing gland tube sheet combination 13, sealing gland tube sheet combines outside 13
Side is provided with high temperature compensation tube sheet 14.
The cool and heat ends tube sheet 8 and 9 is circular slab, heat exchanger tube 7 uniformly it is intensive be distributed in cool and heat ends tube sheet 8 and 9 it
Between.
Since air-flow enter direction, positioned at the diameter of cool and heat ends tube sheet 8 and the heat exchanger tube of 9 top halfs 7 by greatly to
Small variation；Positioned at the ascending variation of diameter of the heat exchanger tube 7 of cool and heat ends tube sheet 8 and 9 lower half portion.
The periphery of the heat exchanger cylinder 3 is provided with heat-preservation cotton 15, and is support frame between heat-preservation cotton 15 and shell 2
16。
The heat exchanger cylinder 3 is welded on by fixing support rack 17 on pedestal 1, and cool and heat ends tube sheet 8 and 9 passes through activity
Axis 18 is flexibly connected with pedestal 1.
Sealing gland pipe 19 is provided in the sealing gland tube sheet combination 13, and sealing gland tube sheet combination 13 is led to before hot junction tube sheet 9
It crosses tube sheet wheel flange strengthening version 20 to be sealed, and be fixed by the way that flange 21 is clamped.Gear is provided among the heat exchanger tube 7
Aerofoil 22.
Connection is rolled between the heat exchanger tube and pedestal of this patent heat exchanger so that heat exchanger tube can be certainly when passing through high-temperature heat expansion
By moving.And heat exchanger is sealed by high pressure air seal method so that exhaust gas is avoided with new air heat-exchange collaborates.
Described embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts every other with the embodiment in novel
Embodiment shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of fresh air high-temperature heat-exchanging, which is characterized in that including pedestal (1), shell (2) and heat exchanger cylinder (3), shell
(2) it is fixed on pedestal (1), and heat exchanger cylinder (3) setting is in shell (2)；Distinguish at the both ends of the heat exchanger cylinder (3)
It is provided with high temperature air inlet reducing mouth (4) and high temperature outlet reducing mouth (5), is distinguished on the end of high temperature inlet, outlet reducing mouth (4,5)
It is provided with heat preservation expansion loop (6)；Several heat exchanger tubes (7) are provided in the heat exchanger cylinder (3), heat exchanger tube (7) is pacified respectively
Between the cold end tube sheet (8) being oppositely arranged and hot junction tube sheet (9), and cool and heat ends tube sheet (8,9) is arranged in heat exchanger cylinder
(3) in；The top of the heat exchanger cylinder (3) is provided with cold fresh air and enters reducing mouth (10) and cold fresh air discharge reducing mouth
(11)；It is provided with thermal compensation bellows (12) on the outside of cold end tube sheet (8), is located on the outside of hot junction tube sheet (9) and is provided with
Sealing gland tube sheet combines (13), and high temperature compensation tube sheet (14) is provided on the outside of sealing gland tube sheet combination (13).
2. fresh air high-temperature heat-exchanging according to claim 1, which is characterized in that the cool and heat ends tube sheet (8,9) is circle
Plate, heat exchanger tube (7) is uniformly intensive to be distributed between cool and heat ends tube sheet (8,9).
3. fresh air high-temperature heat-exchanging according to claim 2, which is characterized in that since the direction that air-flow enters, be located at
The descending variation of diameter of the heat exchanger tube (7) of cool and heat ends tube sheet (8,9) top half；Under cool and heat ends tube sheet (8,9)
The ascending variation of diameter of the heat exchanger tube (7) of half part.
4. fresh air high-temperature heat-exchanging according to claim 3, which is characterized in that the periphery of the heat exchanger cylinder (3) is set
It is equipped with heat-preservation cotton (15), and is support frame (16) between heat-preservation cotton (15) and shell (2).
5. the fresh air high-temperature heat-exchanging according to any one of claim 1-4, which is characterized in that the heat exchanger cylinder
(3) it is welded on pedestal (1) by fixing support rack (17), cool and heat ends tube sheet (8,9) passes through movable axis (18) and pedestal (1)
Flexible connection.
6. fresh air high-temperature heat-exchanging according to claim 5, which is characterized in that be arranged on the sealing gland tube sheet combination (13)
There is sealing gland pipe (19), and sealing gland tube sheet combination (13) is carried out with before hot junction tube sheet (9) by tube sheet wheel flange strengthening version (20)
Sealing, and be fixed by the way that flange (21) is clamped.
7. fresh air high-temperature heat-exchanging according to claim 6, which is characterized in that be provided with gear among the heat exchanger tube (7)
Aerofoil (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142948.4U CN207881179U (en) | 2018-01-29 | 2018-01-29 | A kind of fresh air high-temperature heat-exchanging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820142948.4U CN207881179U (en) | 2018-01-29 | 2018-01-29 | A kind of fresh air high-temperature heat-exchanging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207881179U true CN207881179U (en) | 2018-09-18 |
Family
ID=63509030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820142948.4U Active CN207881179U (en) | 2018-01-29 | 2018-01-29 | A kind of fresh air high-temperature heat-exchanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207881179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594927A (en) * | 2020-11-13 | 2021-04-02 | 机械工业第九设计研究院有限公司 | Energy-saving fresh air heating device and application |
-
2018
- 2018-01-29 CN CN201820142948.4U patent/CN207881179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594927A (en) * | 2020-11-13 | 2021-04-02 | 机械工业第九设计研究院有限公司 | Energy-saving fresh air heating device and application |
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