CN205192294U - Modified radiant tube heat transfer device - Google Patents
Modified radiant tube heat transfer device Download PDFInfo
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- CN205192294U CN205192294U CN201520915720.0U CN201520915720U CN205192294U CN 205192294 U CN205192294 U CN 205192294U CN 201520915720 U CN201520915720 U CN 201520915720U CN 205192294 U CN205192294 U CN 205192294U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model belongs to the heat exchange device field relates to a modified radiant tube heat transfer device, and the specially adapted uses petrochemical industry fuel to carry out thermal treatment's trade. This radiant tube heat transfer device includes first order heat exchange tube and second level heat exchange tube, interior inner tube, finned tube and the outer tube outwards arranged is in proper order followed to heat exchange tubes at different levels, and two outer tubes interconnect, and the open end of two outer tubes is flue gas inlet (1) and exhanst gas outlet (6) respectively, air intlet (10) and air outlet (5) that get into the inner tube are opened respectively in near link of two outer tubes, accomplish and treat the flow of turning back of a lot of of heat transfer air inside the heat exchange tube. The utility model discloses a doublestage or multipolar heat transfer can improve the heat exchange efficiency of traditional radiant tube heat exchanger, reduce the energy consumption and practice thrift space and cost simultaneously.
Description
Technical field
The utility model belongs to heat-exchange device field, relates to a kind of radiant tube heat-exchanger rig of improvement, is specially adapted to the industry using fossil fuel to heat-treat, realizes flue gas waste heat recovery.
Background technology
Utilize gas fired radiant tubes to heat-treat in the market comparatively general, for energy-saving and cost-reducing consideration, the flue gas produced after mostly utilizing own combustion by radiant tube heat exchanger to combustion air through row preheating.Traditional radiant tube heat exchanger is single-stage heat exchange, and such as, Chinese invention patent application No.201210197143.8 provides one ' heat exchanger for air swirl injection radiant tube '.This kind of single-stage heat exchange structure heat exchange area is less, and heat exchange efficiency is limited, and the flue gas of general 1050 DEG C is after radiant tube heat exchanger, and after preheating, air themperature is at most to about 350 DEG C, and after heat exchange, flue-gas temperature is then many at about 680 DEG C.Along with the development in market, conventional radiation heat exchange of heat pipe can not meet power conservation requirement gradually, and insufficient utilization of fume afterheat can cause energy consumption, cost remains high, and improves the emphasis that heat exchange efficiency is the research and development of Novel radiation heat exchange of heat pipe.
Summary of the invention
The purpose of this utility model is to provide a kind of radiant tube heat-exchanger rig of improvement, adopts twin-stage or multipole heat exchange, can improve the heat exchange efficiency of conventional radiation heat exchange of heat pipe, saves space and cost simultaneously.
To achieve these goals, the utility model provides following technical scheme:
The utility model provides a kind of radiant tube heat-exchanger rig of improvement, and this radiant tube heat-exchanger rig has comprised first order heat exchanger tube and the second level heat exchanger tube of two-stage heat exchange;
Heat exchanger tube at different levels is from inside to outside furnished with interior pipe, finned tube and outer tube successively, and two outer tubes are connected to each other, and the openend of two outer tubes is respectively gas approach 1 and exhanst gas outlet 6; Have the air intlet 10 and air outlet slit 5 that enter interior pipe near the link of two outer tubes, complete repeatedly the turn back flowing of hot-air to be changed in heat exchanger tube inside.
In this device, the flow direction of flue gas is followed successively by: the first exhaust gases passes a → the second exhaust gases passes b; The flow direction of air is followed successively by: first air duct c → the second air duct d → the 3rd air duct e → the 4th air duct f.
Described first order heat exchanger tube comprises pipe 4 and air outlet slit 5 in gas approach 1, first outer tube 2, first finned tube 3, first; The openend of the first outer tube 2 is provided with gas approach 1; One end of first finned tube 3 is sealed end, and the other end is link; In first, one end of pipe 4 is openend, and the other end is provided with air outlet slit 5, and air outlet slit 5 is successively through the first finned tube 3, first outer tube 2;
Described second level heat exchanger tube comprises pipe 9 and air intlet 10 in exhanst gas outlet 6, second outer tube 7, second finned tube 8, second; One end of second outer tube 7 is provided with exhanst gas outlet 6, and the other end is link and is tightly connected with the link of the first outer tube 2; One end of second finned tube 8 is sealed end, and the other end is link and is tightly connected with the link of the first finned tube 3; In second, one end of pipe 9 is openend, and the other end is provided with air intlet 10, and air intlet 10 is successively through the second finned tube 8, second outer tube 7.
Described gas approach 1 connects radiant tube K; Exhanst gas outlet 6 connects smoke discharging pipe L; Air intlet 10 connects air duct M; Air outlet slit 5 connects burner tubes N.
Angle α between described first order heat exchanger tube and second level heat exchanger tube is 45 ~ 180 degree.
Preferably, described first order heat exchanger tube is connected with second level heat exchanger tube is vertical.
Described gas approach 1, exhanst gas outlet 6, air intlet 10 and air outlet slit 5 all can take different orientation and interface shape according to the difference of external equipment.
Air intlet 10 and air outlet slit 5 can be separately positioned on side or the end of different outer tube or same outer tube.
The first exhaust gases passes a is formed between described first finned tube 3 and radiant tube K, the first outer tube 2; The second exhaust gases passes b is formed between second finned tube 8 and the second outer tube 7; Gas channel in second in pipe 9 is the first air duct c; The second air duct d is formed between pipe 9 in second finned tube 8 and second; The 3rd air duct e is formed between pipe 4 in first finned tube 3 and first; Gas channel in first in pipe 4 is the 4th air duct f; Wherein, the first exhaust gases passes a is communicated with the second exhaust gases passes b; First air duct c is communicated with the second air duct d, and the second air duct d is communicated with the 3rd air duct e, and the 3rd air duct e is communicated with the 4th air duct f; Not connected between air duct and exhaust gases passes.
This device described comprises third level heat exchanger tube or more level heat exchanger tube further.
Compared with prior art, the beneficial effects of the utility model are:
The utility model takes multi-stage heat exchanger to increase heat exchange area, improves the heat exchange efficiency of radiant tube heat exchanger, flexible design strong adaptability, saves space, reduces energy consumption, reduces costs, reduce the impact of flue gas on environment, improve the competitiveness of product.The flue gas of 1050 DEG C is after the utility model heat exchange, and after preheating, air themperature can reach about 580 DEG C, and after heat exchange, flue-gas temperature can to about 350 DEG C.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model heat-exchanger rig;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is that the B-B of Fig. 1 is to sectional view;
Fig. 5 is that the C-C of Fig. 1 is to sectional view;
Fig. 6 is the utility model embodiment 2 air ports adjustment schematic diagram;
Fig. 7 is the utility model embodiment 3 smoke entrance adjustment schematic diagram;
Fig. 8 is the structural representation of the utility model embodiment 4, and its first order heat exchanger tube is linearly connected with second level heat exchanger tube.
Reference numeral is wherein:
1 gas approach 2 first outer tube
Pipe in 3 first finned tubes 4 first
5 air outlet slit 6 exhanst gas outlets
7 second outer tube 8 second finned tubes
Pipe 10 air intlet in 9 second
A first exhaust gases passes b second exhaust gases passes
C first air duct d second air duct
E the 3rd air duct f the 4th air duct
K radiant tube L smoke discharging pipe
M air duct N burner tubes
Angle between α first order heat exchanger tube and second level heat exchanger tube
Note:
First exhaust gases passes a is the gas channel between the first finned tube and radiant tube, the first outer tube;
Second exhaust gases passes b is the gas channel between the second finned tube and the second outer tube;
First air duct c is the gas channel in second in pipe;
Second air duct d is the gas channel in the second finned tube and second between pipe;
3rd air duct e is the gas channel in the first finned tube and first between pipe;
4th air duct f is the gas channel in first in pipe.
Detailed description of the invention
The utility model provides a kind of radiant tube heat-exchanger rig of improvement, and as Figure 1-3, this radiant tube heat-exchanger rig comprises first order heat exchanger tube and second level heat exchanger tube;
As shown in Figure 4, first order heat exchanger tube comprises pipe 4 and air outlet slit 5 in gas approach 1, first outer tube 2, first finned tube 3, first;
One end of first outer tube 2 is provided with gas approach 1, and the other end is link, and the first outer tube 2 is placed on the outside of the first finned tube 3; One end of first finned tube 3 is sealed end, and the other end is link, and the first finned tube 3 is placed on the outside of pipe 4 in first; In first, one end of pipe 4 is openend, and the other end is provided with air outlet slit 5, and successively through the first finned tube 3, first outer tube 2;
As shown in Figure 5, second level heat exchanger tube comprises pipe 9 and air intlet 10 in exhanst gas outlet 6, second outer tube 7, second finned tube 8, second;
One end of second outer tube 7 is provided with exhanst gas outlet 6, and the other end is link and is tightly connected with the link of the first outer tube 2, and the second outer tube 7 is placed on the outside of the second finned tube 8; One end of second finned tube 8 is sealed end, and the other end is link and is tightly connected with the link of the first finned tube 3, and the second finned tube 8 is placed on the outside of pipe 9 in second; In second, one end of pipe 9 is openend, and the other end is provided with air intlet 10, and successively through the second finned tube 8, second outer tube 7.
Gas approach 1 meets radiant tube K; Exhanst gas outlet 6 runs in smoke pipeline L; Air intlet 10 meets air duct M; Air outlet slit 5 meets burner tubes N.
Angle α between first order heat exchanger tube and second level heat exchanger tube is 45 ~ 180 degree.
Preferably, first order heat exchanger tube is connected with second level heat exchanger tube is vertical.
Gas approach 1, exhanst gas outlet 6, air intlet 10 and air outlet slit 5 all can take different orientation and interface shape according to the difference of external equipment.
The flue gas of 1050 DEG C after this radiant tube heat exchanger heat exchange, flue-gas temperature≤350 DEG C, air themperature >=580 DEG C after preheating.
The first exhaust gases passes a is formed between first finned tube 3 and radiant tube K, the first outer tube 2; The second exhaust gases passes b is formed between second finned tube 8 and the second outer tube 7; Gas channel in second in pipe 9 is the first air duct c; The second air duct d is formed between pipe 9 in second finned tube 8 and second; The 3rd air duct e is formed between pipe 4 in first finned tube 3 and first; Gas channel in first in pipe 4 is the 4th air duct f; Wherein, the first exhaust gases passes a is communicated with the second exhaust gases passes b; First air duct c is communicated with the second air duct d, and the second air duct d is communicated with the 3rd air duct e, and the 3rd air duct e is communicated with the 4th air duct f; Not connected between air duct and exhaust gases passes.Enter flue gas in this radiant tube heat exchanger and air does not interfere with each other, take their own roads.
This device comprises third level heat exchanger tube further or comprises multi-stage heat exchanger pipe.
The course of work of the present utility model is:
The cold air of being come by air duct M enters pipe 9 in second by air intlet 10, and enter the second air duct d after being commutated by the first air duct c, in the process of circulation, air and flue gas carry out heat exchange by the second finned tube 8 and complete one-level heat exchange; The 3rd air duct e is entered after air commutation, again enter pipe 4 in first after commutation, flow out from air outlet slit 5 via after the 4th air duct f, in the process of circulation, air and flue gas carry out heat exchange by the first finned tube 3 and complete secondary heat exchange, and after final heat exchange, hot-air participates in ignition by the burner tubes N that air outlet slit 5 is external.
The high-temperature flue gas of being come by radiant tube K enters the first outer tube 2 by gas approach 1, flows through the first exhaust gases passes a, and in the process of circulation, flue gas and air carry out heat exchange by the first finned tube 3 and complete one-level heat exchange; Enter the second exhaust gases passes b after flue gas turns to, in the process of circulation, flue gas and air carry out heat exchange by the second finned tube 8 and complete secondary heat exchange, and after final heat exchange, flue gas accesses smoke discharging pipe L by exhanst gas outlet 6.
Below in conjunction with embodiment, the utility model is further described.
Embodiment 1
See Fig. 1 ~ 5, the Novel radiation pipe heat-exchanger rig that the present embodiment provides, first order heat exchanger tube is connected with the basic vertical of second level heat exchanger tube, gas approach 1 connects the first outer tube 2, exhanst gas outlet 6 connects the second outer tube 6, air intlet 10 and air outlet slit 5 and lays respectively near two outer tube links, air intlet 10 is opened in the second outside pipe side, and air outlet slit 5 is opened in the first outside pipe side.
Embodiment 2
See Fig. 6, the set-up mode of embodiment 2 pairs of air intlets 10 and air outlet slit 5 adjusts: import, outlet one are positioned at outer tube side, and one is positioned at outer tube end.
Embodiment 3
See Fig. 7, in embodiment 3, add tube connector at exhanst gas outlet 6 port of export, the equipment of different azimuth and mode can be mated.
Embodiment 4
See Fig. 8, in embodiment 4, the connection angle of first order heat exchanger tube and second level heat exchanger tube can adjust as required, is linearly connect here.
Claims (10)
1. the radiant tube heat-exchanger rig improved, is characterized in that: this radiant tube heat-exchanger rig has comprised first order heat exchanger tube and the second level heat exchanger tube of two-stage heat exchange;
Heat exchanger tube at different levels is from inside to outside furnished with interior pipe, finned tube and outer tube successively, and two outer tubes are connected to each other, and the openend of two outer tubes is respectively gas approach (1) and exhanst gas outlet (6); Have the air intlet (10) and air outlet slit (5) that enter interior pipe near the link of two outer tubes, complete repeatedly the turn back flowing of hot-air to be changed in heat exchanger tube inside.
2. the radiant tube heat-exchanger rig of improvement according to claim 1, it is characterized in that: in this device, the flow direction of flue gas is followed successively by: the first exhaust gases passes (a) → the second exhaust gases passes (b); The flow direction of air is followed successively by: the first air duct (c) → the second air duct (d) → the 3rd air duct (e) → the 4th air duct (f).
3. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: described first order heat exchanger tube comprises pipe (4) and air outlet slit (5) in gas approach (1), the first outer tube (2), the first finned tube (3), first; The openend of the first outer tube (2) is provided with gas approach (1); One end of first finned tube (3) is sealed end, and the other end is link; In first, one end of pipe (4) is openend, and the other end is provided with air outlet slit (5), and air outlet slit (5) is successively through the first finned tube (3), the first outer tube (2);
Described second level heat exchanger tube comprises pipe (9) and air intlet (10) in exhanst gas outlet (6), the second outer tube (7), the second finned tube (8), second; One end of second outer tube (7) is provided with exhanst gas outlet (6), and the other end is link and is tightly connected with the link of the first outer tube (2); One end of second finned tube (8) is sealed end, and the other end is link and is tightly connected with the link of the first finned tube (3); In second, one end of pipe (9) is openend, and the other end is provided with air intlet (10), and air intlet (10) is successively through the second finned tube (8), the second outer tube (7).
4. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: described gas approach (1) connects radiant tube (K); Exhanst gas outlet (6) connects smoke discharging pipe (L); Air intlet (10) connects air duct (M); Air outlet slit (5) connects burner tubes (N).
5. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: the angle α between described first order heat exchanger tube and second level heat exchanger tube is 45 ~ 180 degree.
6. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: described first order heat exchanger tube is connected with second level heat exchanger tube is vertical.
7. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: described gas approach (1), exhanst gas outlet (6), air intlet (10) and air outlet slit (5) all can take different orientation and interface shape according to the difference of external equipment.
8. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: air intlet (10) and air outlet slit (5) can be separately positioned on side or the end of different outer tube or same outer tube.
9. the radiant tube heat-exchanger rig of improvement according to claim 3, is characterized in that: the first finned tube (3) and radiant tube (K), the first outer tube form the first exhaust gases passes (a) between (2); The second exhaust gases passes (b) is formed between second finned tube (8) and the second outer tube (7); Gas channel in second in pipe (9) is the first air duct (c); Manage between (9) in second finned tube (8) and second and form the second air duct (d); Manage between (4) in first finned tube (3) and first and form the 3rd air duct (e); Gas channel in first in pipe (4) is the 4th air duct (f); Wherein, the first exhaust gases passes (a) is communicated with the second exhaust gases passes (b); First air duct (c) is communicated with the second air duct (d), second air duct (d) is communicated with the 3rd air duct (e), and the 3rd air duct (e) is communicated with the 4th air duct (f); Not connected between air duct and exhaust gases passes.
10. the radiant tube heat-exchanger rig of improvement according to claim 1, is characterized in that: this device comprises third level heat exchanger tube or more level heat exchanger tube further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520915720.0U CN205192294U (en) | 2015-11-17 | 2015-11-17 | Modified radiant tube heat transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520915720.0U CN205192294U (en) | 2015-11-17 | 2015-11-17 | Modified radiant tube heat transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN205192294U true CN205192294U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520915720.0U Active CN205192294U (en) | 2015-11-17 | 2015-11-17 | Modified radiant tube heat transfer device |
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| CN (1) | CN205192294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225006A (en) * | 2016-08-31 | 2016-12-14 | 江苏华冶科技股份有限公司 | A kind of radial canal double heat exchanger |
| CN107388852A (en) * | 2017-07-26 | 2017-11-24 | 西安交通大学 | A kind of gas gas high-temperature heat-exchanging |
-
2015
- 2015-11-17 CN CN201520915720.0U patent/CN205192294U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225006A (en) * | 2016-08-31 | 2016-12-14 | 江苏华冶科技股份有限公司 | A kind of radial canal double heat exchanger |
| CN107388852A (en) * | 2017-07-26 | 2017-11-24 | 西安交通大学 | A kind of gas gas high-temperature heat-exchanging |
| CN107388852B (en) * | 2017-07-26 | 2018-12-14 | 西安交通大学 | A kind of gas gas high-temperature heat-exchanging |
| WO2019019205A1 (en) * | 2017-07-26 | 2019-01-31 | 西安交通大学 | Gas-gas high-temperature heat exchanger |
| US11287194B2 (en) | 2017-07-26 | 2022-03-29 | Xi'an Jiaotong University | Gas-gas high-temperature heat exchanger |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170116 Address after: 100081 Beijing city Haidian District Daliushu Village No. 19 South Institute of Technology Building 801-810 Patentee after: BEIJING IRON & STEEL RESEARCH XINZHI ENGINEERING TECHNOLOGY CENTER CO.,LTD. Address before: 100081 Haidian District Institute of South Road, Beijing, No. 76 Patentee before: China Iron & Steel Research Institute Group Patentee before: Xinye High Technology Group Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191206 Address after: 100081 Beijing Institute of technology, Haidian District Road, No. 76, 8-01-15 Patentee after: BEIJING GANGYAN NEW METALLURGY ENGINEERING DESIGN CO.,LTD. Address before: 100081 Beijing city Haidian District Daliushu Village No. 19 South Institute of Technology Building 801-810 Patentee before: BEIJING IRON & STEEL RESEARCH XINZHI ENGINEERING TECHNOLOGY CENTER CO.,LTD. |
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| TR01 | Transfer of patent right |