CN209355249U - A kind of furnace secondary preheating formula air is from preheating burner - Google Patents
A kind of furnace secondary preheating formula air is from preheating burner Download PDFInfo
- Publication number
- CN209355249U CN209355249U CN201820875641.5U CN201820875641U CN209355249U CN 209355249 U CN209355249 U CN 209355249U CN 201820875641 U CN201820875641 U CN 201820875641U CN 209355249 U CN209355249 U CN 209355249U
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- China
- Prior art keywords
- heat exchanger
- combustion air
- preheating
- burner
- air
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 14
- 239000000567 combustion gas Substances 0.000 claims abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003345 natural gas Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Gas Burners (AREA)
- Air Supply (AREA)
Abstract
The utility model relates to a kind of furnace secondary preheating formula air from burner is preheated, and belong to metallurgical industrial furnace field.Including wing formula self preheating burner, the wing formula self preheating burner includes combustion air casing, combustion gas core pipe, and the front end of combustion air casing is equipped with fin heat exchanger, second preheating of the fin heat exchanger as flue gas to combustion air；The back segment of the combustion air casing is arranged with pipe heat exchanger, the shell of the pipe heat exchanger is equipped with inlet of cold air and exhanst gas outlet, the outer casing inner wall of the pipe heat exchanger and the outer wall of combustion air casing surround the Heat Room of annular, the Heat Room inner cavity is equipped with several heat exchanger tubes, the Heat Room is respectively communicated with inlet of cold air and combustion air casing, and several heat exchanger tubes are connected to exhanst gas outlet.Preheated air temperature can be improved from burner is preheated in a kind of furnace secondary preheating formula air, reduces flue-gas temperature, energy saving, increases economic and social benefit.
Description
Technical field
The utility model relates to a kind of furnace secondary preheating formula air from burner is preheated, and belong to the work of metallurgy and machinery industry
Industry furnace field.
Background technique
Finned heat exchanger formula self-preheating burner, it is main including gas pipeline and the air hose being set in outside gas pipeline
Road after combustion air and combustion gas mixing burning, generates wherein being equipped with multi-disc fin on the outer tube wall of air pipeline in burner hearth
High-temperature flue gas will be flowed out from the periphery of air pipeline, the combustion air in flue gas and air pipeline outside air pipeline be changed
Heat, at this point, fin can increase the heat exchange area of air pipeline outer tube wall, thus make high-temperature flue gas under the action of fin with air
Combustion air in pipeline further exchanges heat.But the finned heat exchanger formula self-preheating burner is limited by space and manufacturing process
System, finned limited efficacy, therefore its heat exchange efficiency is lower, exhaust gas temperature is still higher, is unable to get and makes full use of.Therefore, having must
A kind of self-preheating burner that new heat exchange efficiency is high is provided, to overcome drawbacks described above.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of furnace secondary preheating formula for the above-mentioned prior art
Air can be further improved air preheating temperature from burner is preheated, and reduce flue-gas temperature, energy saving, increase economy and society
It can benefit.
A kind of the technical scheme in the invention for solving the above technical problem are as follows: furnace secondary preheating formula air preheating certainly
Burner, including wing formula self preheating burner, the wing formula self preheating burner include combustion air casing, combustion gas core pipe,
The front end of combustion air casing is equipped with fin heat exchanger, and the fin heat exchanger is as flue gas to the pre- for the second time of combustion air
Heat.
The back segment of the combustion air casing is arranged with pipe heat exchanger, and the shell of the pipe heat exchanger is equipped with cold sky
Gas import and exhanst gas outlet, the outer casing inner wall of the pipe heat exchanger and the outer wall of combustion air casing surround the heat exchange of annular
Room.
The Heat Room inner cavity is equipped with several heat exchanger tubes, and the Heat Room is respectively communicated with inlet of cold air and combustion air set
Pipe, several heat exchanger tubes are connected to exhanst gas outlet.
In Heat Room, flow through the flue gases of several heat exchanger tubes to entered from inlet of cold air the combustion air of Heat Room into
Row preheats for the first time, and the combustion air after preheating for the first time enters combustion air casing from Heat Room again.
The first unhurried current plate and the second unhurried current plate are provided in the Heat Room, the first unhurried current plate and the second unhurried current plate will
Heat Room is divided into the spiral heat exchanger channels of guidance combustion air helical flow.
The rear end of the combustion gas core pipe is as natural gas inlet end.
The wing formula self preheating burner is arranged in furnace, outside pipe heat exchanger arrangement and furnace.
Compared with the prior art, the advantages of the utility model are: a kind of furnace secondary preheating formula air preheats burner certainly,
Preheated air temperature can be improved, reduce flue-gas temperature, it is energy saving, increase economic and social benefit.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the furnace secondary preheating formula air of the utility model embodiment from preheating burner；
Fig. 2 is a kind of cross-sectional view of the furnace secondary preheating formula air of the utility model embodiment from preheating burner；
1 wing formula self preheating burner, 101 combustion air casings, 102 combustion gas core pipes, 103 fin heat exchangers, 2 pipes in figure
Formula heat exchanger, 3 first unhurried current plates, 4 second unhurried current plates, 5 heat exchanger tubes, 6 inlet of cold airs, 7 exhanst gas outlets.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1, one of the present embodiment furnace secondary preheating formula air is from preheating burner, including wing formula itself is pre-
Hot type burner 1, the wing formula self preheating burner 1 include combustion air casing 101 and combustion gas core pipe 102, the combustion-supporting sky
The leading portion of gas bushing 101 is arranged with fin heat exchanger 103, and the fin heat exchanger 103 is as flue gas to the second of combustion air
Secondary preheating.
101 back segment of combustion air casing is arranged with pipe heat exchanger 2, and pipe heat exchanger 2 is equipped with inlet of cold air 6 and cigarette
Gas outlet 7, the outer casing inner wall of pipe heat exchanger 2 and the outer wall of combustion air casing 101 surround the Heat Room of annular.
Several heat exchanger tubes 5 are equipped in Heat Room, Heat Room is respectively communicated with inlet of cold air 6 and combustion air casing 101, institute
It states several heat exchanger tubes 5 and is connected to exhanst gas outlet.
In Heat Room, flow through the flue gases of several heat exchanger tubes to entered from inlet of cold air the combustion air of Heat Room into
Row preheats for the first time, and the combustion air after preheating for the first time enters combustion air casing from Heat Room again.
The first unhurried current plate 3 and the second unhurried current plate 4 are equipped in Heat Room, the first unhurried current plate 3 and the second unhurried current plate 4 will exchange heat
Room is divided into the spiral heat exchanger channels of guidance combustion air helical flow.
The rear end of above-mentioned combustion gas core pipe 103 is as natural gas inlet end.
The leading portion of wing formula self preheating burner 1 is placed on furnace from burner is preheated by a kind of furnace secondary preheating formula air
Interior, combustion air enters in Heat Room by inlet of cold air 6, carries out first time heat exchange with the flue gas for entering heat exchanger tube 5, combustion-supporting
Air is flowed by the first unhurried current plate 3 and the second unhurried current plate 4 in Heat Room inside spin, keeps combustion air in Heat Room to the greatest extent
Time more than possible, then sufficiently second of heat exchange is carried out to combustion air by 103 sections of fin heat exchanger of flue gas, improve burner
Energy-saving efficiency reduces fuel consumption, increases economic and social benefit.
High-temperature flue gas first passes through 103 sections of finned heat exchanger, first time heat exchange is carried out with combustion air, since metal fin is adopted
With heat resisting steel material, therefore this section can bear relatively high temperature, and pass through 103 sections of finned heat exchanger of flue-gas temperature
800 DEG C are down to hereinafter, passing through the heat exchanger tube 5 of stainless steel seamless pipe production, indoor combustion air carries out for the second time with exchanging heat
Flue-gas temperature can be reduced to 300 DEG C or so or even hereinafter, reduce smog discharge temperature by cooling.
Since combustion air passes through Heat Room, the temperature of 2 shell of pipe heat exchanger can be reduced, reduces thermal loss, is improved
Shopwork environment.
The burner still uses the core arrangement of high combustion rate burner, and flame has the features such as rigidity is strong, and spray speed is fast, and flame is straight, energy
Enough effects for playing fuel to greatest extent, obtain optimal combustion efficiency.
In addition to the implementation, the utility model further includes having other embodiments, all to use equivalents or equivalent
The technical solution that alternative is formed, should all fall within the protection scope of the utility model claims.
Claims (4)
1. a kind of furnace secondary preheating formula air preheats burner, including wing formula self preheating burner (1), the wing formula itself certainly
Pre-heated burner (1) includes combustion air casing (101), combustion gas core pipe (102), and the front end of combustion air casing (101) is equipped with
Fin heat exchanger (103), second preheating of the fin heat exchanger (103) as flue gas to combustion air；It is characterized by:
The back segment of the combustion air casing (101) is arranged with pipe heat exchanger (2), on the shell of the pipe heat exchanger (2)
Equipped with inlet of cold air (6) and exhanst gas outlet (7), the outer casing inner wall and combustion air casing (101) of the pipe heat exchanger (2)
Outer wall surround annular Heat Room,
The Heat Room inner cavity is equipped with several heat exchanger tubes (5), and the Heat Room is respectively communicated with inlet of cold air (6) and combustion air
Casing (101), several heat exchanger tube connections exhanst gas outlet (7),
In Heat Room, the flue gas of several heat exchanger tubes (5) is flowed through to the combustion air for entering Heat Room from inlet of cold air (6)
First time preheating is carried out, the combustion air after preheating for the first time enters combustion air casing (101) from Heat Room again.
2. furnace secondary preheating formula air according to claim 1 preheats burner certainly, it is characterised in that: in the Heat Room
Be provided with the first unhurried current plate (3) and second unhurried current plate (4), it is described first unhurried current plate (3) and second flow slowly plate (4) by Heat Room every
At the spiral heat exchanger channels of guidance combustion air helical flow.
3. furnace secondary preheating formula air according to claim 1 preheats burner certainly, it is characterised in that: the combustion gas core pipe
(102) rear end is as natural gas inlet end.
4. a kind of furnace secondary preheating formula air according to claim 1 preheats burner certainly, it is characterised in that: the wing formula
Self preheating burner (1) is arranged in furnace, outside pipe heat exchanger arrangement and furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875641.5U CN209355249U (en) | 2018-06-06 | 2018-06-06 | A kind of furnace secondary preheating formula air is from preheating burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875641.5U CN209355249U (en) | 2018-06-06 | 2018-06-06 | A kind of furnace secondary preheating formula air is from preheating burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209355249U true CN209355249U (en) | 2019-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820875641.5U Active CN209355249U (en) | 2018-06-06 | 2018-06-06 | A kind of furnace secondary preheating formula air is from preheating burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209355249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322889A (en) * | 2020-03-25 | 2020-06-23 | 四川铭能科技开发有限公司 | Tube bundle type heat exchange tube, self-preheating burner and heat exchange method |
-
2018
- 2018-06-06 CN CN201820875641.5U patent/CN209355249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322889A (en) * | 2020-03-25 | 2020-06-23 | 四川铭能科技开发有限公司 | Tube bundle type heat exchange tube, self-preheating burner and heat exchange method |
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