CN206724171U - One kind uses coke-stove gas self-preheating type radiant tube combustion device - Google Patents
One kind uses coke-stove gas self-preheating type radiant tube combustion device Download PDFInfo
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- CN206724171U CN206724171U CN201720372716.3U CN201720372716U CN206724171U CN 206724171 U CN206724171 U CN 206724171U CN 201720372716 U CN201720372716 U CN 201720372716U CN 206724171 U CN206724171 U CN 206724171U
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses one kind to use coke-stove gas self-preheating type radiant tube combustion device, contain burner, First Heat Exchanger, second heat exchanger and radiant tube, the burner is provided with gas entry and burner air entrance, described radiant tube one end is connected with burner, the other end is connected with First Heat Exchanger, first air-out of First Heat Exchanger is connected with burner air entrance, second heat exchanger is connected on First Heat Exchanger and is provided with air intake and exhanst gas outlet, the First Heat Exchanger and respective exhaust gases passes and air duct in the second heat exchanger are homogeneously intercommunicated.The flue gas enthalpy that burner is discharged can be given to a certain extent by combustion air using the utility model, the air themperature for flowing through two heat exchangers is improved to participation burning after 200 300 degree, the exhaust gas temperature of flue gas is reduced simultaneously, energy-saving effect is up to 15%, for the industrial furnace of longtime running, ample resources can be saved, while reduces energy consumption.
Description
Technical field
Field of combustion equipment is the utility model is related to, more particularly to one kind uses the combustion of coke-stove gas self-preheating type radiant tube
Burn device.
Background technology
It is domestic at present be used for industrial furnace indirectly heat, it is necessary to plus protective gas reduce the gas combustion apparatus of workpiece oxidation
Simple sleeve type structure is used mostly, and combustion gas is sprayed by the steel pipe at center, and combustion air in the sleeve pipe of periphery by rotating
The form of air-flow sprays into burner hearth, and the two burns on burner hearth inner edge mixing side.This burner technology is single using fuel type, mostly
It is higher as fuel, cost using high heating value natural gas.If there is natural gas shortage, factory is will necessarily result in because of combustion
Material problem causes the limited situation of production.Therefore, manufacturer has in terms of fuel type, considers the combustion using low heat value
Material replaces original natural gas, but fuel gas with low heat value has the problem of can not stablizing burning with normal temperature air, therefore needs a kind of energy
The novel combustion device of enough warm-up combustion-supporting airs.
Utility model content
Problem to be solved in the utility model is to provide one kind and uses coke-stove gas self-preheating type radiant tube burning dress
Put, the heat content of high-temperature flue gas of burner discharge is given to combustion air, make coke-stove gas and combustion air mixing after-combustion more
Add stabilization, while substantially reduce the flue-gas temperature of discharge, reach the effect of energy-conserving and environment-protective.
The utility model one kind uses coke-stove gas self-preheating type radiant tube combustion device, including burner, first changes
Hot device, the second heat exchanger and radiant tube；The burner is provided with gas entry, ignitor and burner air entrance；It is described
Radiant tube one end is connected with burner, and the other end is connected with First Heat Exchanger；The First Heat Exchanger includes pipe heat-transfer layer, the
One air inlet duct road, the first exhanst gas outlet；Close and between radiant tube the one end of the pipe heat-transfer layer in radiant tube
The first exhaust gases passes are formed, it is the first air-in that its other end, which sets lateral openings,；On the outside of first air-in
For the first exhanst gas outlet；First exhaust gases passes are connected with the first exhanst gas outlet；The first air inlet duct road both ends
Opening, inside pipe heat-transfer layer, the other end is the first air-out for one end, and it is empty that first is formed between its outer wall and heat transfer layer
Gas passage；First air duct is connected with the first air-in；First air-out and burner air
Connected between entrance by flexible steel in flat section tubing；Second heat exchanger includes air intake, the second air duct, the second flue gas and led to
Road, exhanst gas outlet；Second exhaust gases passes are connected with exhanst gas outlet；The air intake is connected with the second air duct
It is logical；Second heat exchanger is connected on First Heat Exchanger by flange, its second air duct and the first air-in phase
Connection, its second exhaust gases passes are connected with the first exhanst gas outlet.
Further, the flexible steel in flat section tubing is metal bellows.
Further, the gas entry is provided with control valve for coal gas.
Further, it is equipped with manograph in the first air inlet duct road and the second air duct.
Further, it is equipped with manograph in first exhaust gases passes and the second exhaust gases passes.
Further, the radiant tube material is heating resisting metal.
The utility model one kind uses coke-stove gas self-preheating type radiant tube combustion device advantage：(1) enterprise can be used
The self-produced low heat value coke-stove gas of industry, terminate to be limited by the situation of the high calorific value fuel gas such as natural gas, and save combustion gas cost；(2)
The heat content of the high-temperature flue gas of burner discharge can largely hand to combustion air by secondary heat exchanger, and being allowed to can
To improve stable to after mix with coke-stove gas after 200-300 degree burn；(3) simplified burner can be used, reduce investment；
(4) flue-gas temperature by heat exchange can reach the requirement of environmental protection, play a part of energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is upward view of the present utility model；
In figure：1. the cigarette of 2. flexible steel in flat section tubing of burner, 3. 4. second heat exchanger of First Heat Exchanger, 5. gas entry 6.
Gas outlet 7. air intake, 8. second air duct, 9. second exhaust gases passes, 10. first air inlet duct road 11. first is empty
The burner of 12. first exhaust gases passes of gas passage, 13. 14. first air-out of radiant tube, 15. control valve for coal gas 16. is empty
The pipe heat-transfer layer of 17. first air-in of gas entrance, 18. 19. first exhanst gas outlet of ignitor 20..
Embodiment
In order to preferably explain the utility model, it is new to further elucidate this practicality with specific embodiment below in conjunction with the accompanying drawings
The content of type, but content of the present utility model is not limited only to following examples.
One kind as illustrated in fig. 1 and 2 uses coke-stove gas self-preheating type radiant tube combustion device, it is characterised in that：Bag
Include burner 1, First Heat Exchanger 3, the second heat exchanger 4 and radiant tube 13；The burner 1 is provided with gas entry 5, ignition power
Pole 18 and burner air entrance 16；Described one end of radiant tube 13 is connected with burner 1, and the other end is connected with First Heat Exchanger 3；
The First Heat Exchanger 3 includes pipe heat-transfer layer 20, the first air inlet duct road 10, the first exhanst gas outlet 19；The pipeline passes
The one end of thermosphere 20 in radiant tube 13 is closed and the first exhaust gases passes 12 is formed between radiant tube 13, and its other end is set
Lateral openings are the first air-in 17；The outside of first air-in 17 is the first exhanst gas outlet 19；Described first
Exhaust gases passes 12 are connected with the first exhanst gas outlet 19；The both ends open of first air inlet duct road 10, one end pass in pipeline
Inside thermosphere 20, the other end is the first air-out 14, and the first air duct 11 is formed between its outer wall and heat transfer layer 20；
First air duct 11 is connected with the first air-in 17；First air-out 14 enters with burner air
Connected between mouth 16 by flexible steel in flat section tubing 2；Second heat exchanger 4 includes air intake 7, the second air duct 8, the second cigarette
Gas passage 9, exhanst gas outlet 6；Second exhaust gases passes 9 are connected with exhanst gas outlet 6；The air of air intake 7 and second
Passage 8 is connected；Second heat exchanger 4 is connected on First Heat Exchanger 3 by flange, its second air duct 8 and first
Air-in 17 is connected, and its second exhaust gases passes 9 is connected with the first exhanst gas outlet 19.
The method of operation that the utility model is a kind of to use coke-stove gas self-preheating type radiant tube combustion device is as follows：Coke oven
Coal gas mixes from gas entry 5 into burner 1 with the combustion air that burner air entrance 16 enters, through 18 points of ignitor
Fire burning, pipe 13 enters the first exhaust gases passes 12 to high-temperature flue gas caused by burning via radiation, and part heat content is passed into first and changed
The the second exhaust gases passes 9 for entering two heat exchangers 4 after hot device 3, flue gas enthalpy is passed to after the second heat exchanger 4 from flue gas again
The discharge of outlet 6；Combustion air enters the second air duct 8 from the air intake 7 on the second heat exchanger 4 and absorbs flue gas enthalpy,
Then the first air duct 11 of First Heat Exchanger 3 is entered through the first air-in 17, then by absorbing flue gas transmission again
It is empty through the first air inlet duct road 10, the first air-out 14, flexible steel in flat section tubing 2 and burner successively after the heat content to come over
Gas entrance 16 enters burner 1 and participates in burning.
The utility model one kind use coke-stove gas self-preheating type radiant tube combustion device described in flexible steel in flat section tubing 2 can
To be arranged to metal bellows.The metal bellows fortune that pipeline can be made not influence burner because of pipeline thermal deformation herein
Make.
The utility model one kind uses can on gas entry 5 described in coke-stove gas self-preheating type radiant tube combustion device
With provided with control valve for coal gas 15.Set control valve for coal gas preferably to control the flow and flow rate of combustion gas as needed, make burning
Device stable operation to greatest extent.
The utility model one kind uses the first air inlet duct described in coke-stove gas self-preheating type radiant tube combustion device
Manograph can be equipped with the air duct 8 of road 10 and second.It is all provided with first air inlet duct road 10 and the second air duct 8
There is manograph, the pressure of combustion air can be controlled in real time, be easy to combustion air can shape after entering burner and coal gas mixing ignition
Into the stable flame for having rigidity, make the degree of filling of flame in the burner high.
The utility model one kind uses the first exhaust gases passes 12 described in coke-stove gas self-preheating type radiant tube combustion device
Manograph can be equipped with the second exhaust gases passes 9.Pressure measurement is equipped with first exhaust gases passes 12 and the second exhaust gases passes 9
Device, flue gas can be preferably controlled to be helped so as to which more heat contents in flue gas are passed in the residence time of two heat exchangers
Air is fired, burner more efficiently can be run.
The utility model one kind uses described in coke-stove gas self-preheating type radiant tube combustion device that the material of radiant tube 13 can
Think heating resisting metal.The material of radiant tube 13 is heating resisting metal, can more efficiently transmission heat, reduce flue gas enthalpy in the duct
Loss.
The flue gas enthalpy that burner is discharged can be given to combustion air to a certain extent using the utility model, flowed through
The air themperature of two heat exchangers participates in burning after improving to 200-300 degree, while reduces the exhaust gas temperature of flue gas, energy-conservation effect
Fruit is up to 15%, for the industrial furnace of longtime running, can save ample resources, while reduce energy consumption.
Claims (6)
1. one kind uses coke-stove gas self-preheating type radiant tube combustion device, it is characterised in that：Including burner (1), first
Heat exchanger (3), the second heat exchanger (4) and radiant tube (13)；The burner (1) is provided with gas entry (5), ignitor (18)
With burner air entrance (16)；Described radiant tube (13) one end is connected with burner (1), the other end and First Heat Exchanger (3)
Connection；The First Heat Exchanger (3) includes pipe heat-transfer layer (20), the first air inlet duct road (10), the first exhanst gas outlet
(19)；Close and form the first flue gas between radiant tube (13) in the one end of the pipe heat-transfer layer (20) in radiant tube (13)
Passage (12), it is the first air-in (17) that its other end, which sets lateral openings,；On the outside of first air-in (17)
For the first exhanst gas outlet (19)；First exhaust gases passes (12) are connected with the first exhanst gas outlet (19)；First air
Input channel (10) both ends open, one end is internal in pipe heat-transfer layer (20), and the other end is the first air-out (14), outside it
The first air duct (11) is formed between wall and heat transfer layer (20)；First air duct (11) and the first air-in
(17) it is connected；Between first air-out (14) and burner air entrance (16) by flexible steel in flat section tubing (2) even
Connect；Second heat exchanger (4) includes air intake (7), the second air duct (8), the second exhaust gases passes (9), exhanst gas outlet
(6)；Second exhaust gases passes (9) are connected with exhanst gas outlet (6)；The air intake (7) and the second air duct (8) phase
Connection；Second heat exchanger (4) is connected on First Heat Exchanger (3) by flange, and its second air duct (8) is empty with first
Gas input port (17) is connected, and its second exhaust gases passes (9) is connected with the first exhanst gas outlet (19).
2. one kind uses coke-stove gas self-preheating type radiant tube combustion device according to claim 1, its spy is：It is described
Flexible steel in flat section tubing (2) is metal bellows.
3. one kind uses coke-stove gas self-preheating type radiant tube combustion device according to claim 1, its spy is：It is described
Gas entry (5) is provided with control valve for coal gas (15).
4. one kind uses coke-stove gas self-preheating type radiant tube combustion device according to claim 1, its spy is：It is described
Manograph is equipped with first air inlet duct road (10) and the second air duct (8).
5. one kind uses coke-stove gas self-preheating type radiant tube combustion device according to claim 1, its spy is：It is described
Manograph is equipped with first exhaust gases passes (12) and the second exhaust gases passes (9).
6. one kind uses coke-stove gas self-preheating type radiant tube combustion device according to claim 1, its spy is：It is described
Radiant tube (13) material is heating resisting metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372716.3U CN206724171U (en) | 2017-04-11 | 2017-04-11 | One kind uses coke-stove gas self-preheating type radiant tube combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720372716.3U CN206724171U (en) | 2017-04-11 | 2017-04-11 | One kind uses coke-stove gas self-preheating type radiant tube combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206724171U true CN206724171U (en) | 2017-12-08 |
Family
ID=60503129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720372716.3U Active CN206724171U (en) | 2017-04-11 | 2017-04-11 | One kind uses coke-stove gas self-preheating type radiant tube combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206724171U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340748A (en) * | 2018-12-13 | 2019-02-15 | 广州威茨热能技术有限公司 | A kind of secondary preheating burner |
| CN113383194A (en) * | 2019-02-05 | 2021-09-10 | 埃萨股份公司 | Radiant tube regenerative burner assembly |
| CN114992639A (en) * | 2022-07-01 | 2022-09-02 | 北京兴达奇热工控制设备有限公司 | Air-gas heat exchanger for radiant tube |
-
2017
- 2017-04-11 CN CN201720372716.3U patent/CN206724171U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340748A (en) * | 2018-12-13 | 2019-02-15 | 广州威茨热能技术有限公司 | A kind of secondary preheating burner |
| CN113383194A (en) * | 2019-02-05 | 2021-09-10 | 埃萨股份公司 | Radiant tube regenerative burner assembly |
| CN114992639A (en) * | 2022-07-01 | 2022-09-02 | 北京兴达奇热工控制设备有限公司 | Air-gas heat exchanger for radiant tube |
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