CN107270290A - A kind of nozzle structure and super oxygen-poor burner - Google Patents
A kind of nozzle structure and super oxygen-poor burner Download PDFInfo
- Publication number
- CN107270290A CN107270290A CN201710682315.2A CN201710682315A CN107270290A CN 107270290 A CN107270290 A CN 107270290A CN 201710682315 A CN201710682315 A CN 201710682315A CN 107270290 A CN107270290 A CN 107270290A
- Authority
- CN
- China
- Prior art keywords
- bellows
- burner
- gas
- combustion
- poor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007789 gas Substances 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000002737 fuel gas Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 19
- 239000001301 oxygen Substances 0.000 abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 abstract description 19
- 238000000034 method Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 241000707825 Argyrosomus regius Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a kind of nozzle structure and super oxygen-poor burner, including bellows, the bellows top sets the burner block with its insertion;The bellows exit is provided with spinning disk;The bellows are provided centrally with the nozzle structure;Multiple combustion guns are set in the bellows;The pipette tips of the combustion gun extend to the inside of burner block;The bottom of each gas gun extends to bellows bottom outside, and is connected with entrance adpting flange;The bellows side sets combustion-supporting gas entrance.The heart sets a small-sized nozzle structure to the program in the burner, the overall oxygen that ensure that in combustion gas and air can be sufficiently mixed, oxygen content is enabled to reach the amount of oxygen under conventional sense, the burning solved under super oxygen-poor gaseity is not abundant enough, the technical problem that flame is not sufficiently stable.
Description
Technical field
The present invention relates to industrial furnace burner technical field, more particularly to a kind of nozzle structure and super oxygen-poor burner.
Background technology
At present, known industrial furnace burner is made up of bellows, fuel-firing gas-firing rifle and altar lamp etc., and burner outlet is provided with
Burner block, for stablizing flame, the fuel that fuel-firing gas-firing rifle sprays in burner block with combustion air mixed combustion;But it is this
Burner stable under the extreme condition of super oxygen-poor can not sufficiently be burnt, it is impossible to which the engineering met under oxygen lean conditions is actually subjected to
Ask, the flame ejected due to oxygen content not enough and oxygen and combustion gas mixing is insufficient causes flame instability.
The content of the invention
It is an object of the invention to provide a kind of nozzle structure and super oxygen-poor burner, fuel under the conditions of super oxygen-poor is solved
Combustion instability the problem of, the technique effect with the stable burning for ensureing fuel under the operating mode of super oxygen-poor.
In order to solve the above technical problems, the invention provides following technical scheme:
A kind of nozzle structure, including air duct and the center blast tube that is arranged in air duct;The air leads to
Road top sets the burner communicated therewith;The gas mixer connected with blast tube is set in the air channel outlet;Institute
State air duct bottom and air intake flange is set;The blast tube bottom sets fuel gas inlet flange.
A kind of super oxygen-poor burner, including bellows, the bellows top set the burner block with its insertion;The bellows go out
Spinning disk is provided with mouthful;The bellows are provided centrally with the nozzle structure;Multiple combustion guns are set in the bellows;It is described
The pipette tips of combustion gun extend to the inside of burner block;The bottom of each gas gun extends to bellows bottom outside, and
It is connected with entrance adpting flange;The bellows side sets combustion-supporting gas entrance.
Further, the burner block is circumferentially provided with fixing rib;Journey venturi tubulose inside the burner block.
Further, the height of the burner is higher than the height of gas gun pipette tips relative to bellows surface.
The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages:
A kind of nozzle structure provided in the embodiment of the present invention, including air duct and the center that is arranged in air duct
Blast tube;The air duct top sets the burner communicated therewith;Set and blast tube in the air channel outlet
The gas mixer of connection;The air duct bottom sets air intake flange;The blast tube bottom sets combustion gas to enter
Mouth flange.The nozzle structure may be disposed at burner wind-box center and be connected with burner block, can make two strands of process gas in burner
It is sufficiently mixed in the gas mixer of structure, it is ensured that the flame stabilization that the burner of nozzle structure sprays is reliable, then coordinates air to lead to
Multiple gas guns and combustion-supporting gas on the outside of road in bellows make it that oxygen and combustion gas are sufficiently mixed, so as to ensure ultra-poor
The flame and flame concentrations that can be stablized under oxygen condition;Scientific structure design, flame stabilization is reliable.
A kind of super oxygen-poor burner provided in the embodiment of the present invention, including bellows, the bellows top set and passed through with it
Logical burner block;The bellows exit is provided with spinning disk;The bellows are provided centrally with the nozzle structure;The bellows
It is interior that multiple combustion guns are set;The pipette tips of the combustion gun extend to the inside of burner block;Prolong the bottom of each gas gun
Bellows bottom outside is extended, and is connected with entrance adpting flange;The bellows side sets combustion-supporting gas entrance.The program exists
Burner centre sets a small-sized nozzle structure, and the nozzle structure is made up of the air duct in center blast tube and its outside,
Gas mixer is set inside burner head, two strands of process gas is fully mixed at nozzle structure upper gas blender
Close, it is ensured that the flame stabilization that the burner sprays is reliable;Arrange in multiple gas guns, gas gun to be blast tube on the outside of burner,
Gas gun and nozzle structure are arranged on the bellows of super oxygen-poor burner, and super oxygen-poor combustion-supporting gas enters from bellows side;Super
The outlet of combustion with meagre oxygen device sets burner block, and burner block outlet sets a certain distance with gas gun pipette tips and burner head, can
Ensure certain residence time.Be disposed with before gas gun with the super oxygen-poor combustion-supporting gas spinning disk in bellows, for strengthen combustion
The combustion gas that air gun sprays is sufficiently mixed with super oxygen-poor combustion-supporting gas, and the overall oxygen that ensure that in combustion gas and air can fill
Point mixing so that oxygen content can reach the amount of oxygen under conventional sense, solve burning under super oxygen-poor gaseity not
It is enough abundant, the technical problem that flame is not sufficiently stable.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present application.
Embodiment
It is an object of the invention to provide a kind of nozzle structure and super oxygen-poor burner, fuel under the conditions of super oxygen-poor is solved
Combustion instability the problem of, the technique effect with the stable burning for ensureing fuel under the operating mode of super oxygen-poor.
In order to solve the above technical problems, general thought of the embodiment of the present invention is as follows:
A kind of nozzle structure, including air duct and the center blast tube that is arranged in air duct;The air leads to
Road top sets the burner communicated therewith;The gas mixer connected with blast tube is set in the air channel outlet;Institute
State air duct bottom and air intake flange is set;The blast tube bottom sets fuel gas inlet flange.
Embodiment 1
Refer to the attached drawing 1 is described there is provided a kind of nozzle structure, including air duct 8 and the center that is arranged in air duct 8
Blast tube 7;The top of air duct 8 sets the burner 2 communicated therewith;The air duct 8 exports interior setting and combustion gas
The gas mixer 5 that passage 7 is connected;The bottom of air duct 8 sets air intake flange 19;The bottom of blast tube 7
Fuel gas inlet flange 11 is set.
The nozzle structure may be disposed at burner wind-box center and be connected with burner block, can make two strands of process gas in burner
It is sufficiently mixed in the gas mixer of structure, it is ensured that the flame stabilization that the burner of nozzle structure sprays is reliable, then coordinates air to lead to
Multiple gas guns and combustion-supporting gas on the outside of road in bellows make it that oxygen and combustion gas are sufficiently mixed, so as to ensure ultra-poor
The flame and flame concentrations that can be stablized under oxygen condition;Scientific structure design, flame stabilization is reliable.
Embodiment 2
Refer to the attached drawing 1 is described, and there is provided a kind of super oxygen-poor burner, including bellows 3, the wind on the basis of embodiment 1
The top of case 3 sets the burner block 1 with its insertion;The exit of bellows 3 is provided with spinning disk 4;The bellows 3 are provided centrally with
The nozzle structure;The nozzle structure includes air duct 8 and the center blast tube 7 being arranged in air duct 8;It is described
The top of air duct 8 sets the burner 2 communicated therewith;The air duct 8 exports the interior gas for setting and being connected with blast tube 7
Blender 5;The bottom of air duct 8 sets air intake flange 19;The bottom of blast tube 7 sets fuel gas inlet flange
11;Multiple combustion guns 6 are set in the bellows 3;The pipette tips of the combustion gun 6 extend to the inside of burner block 1;It is described each
The bottom of gas gun 6 extends to the bottom outside of bellows 3, and is connected with entrance adpting flange 9;The side of bellows 3 sets and helped
Fire gas access 12.
Further, the burner block 1 is circumferentially provided with fixing rib;The inside journey venturi tubulose of burner block 1.
Further, the height of the burner 2 is higher than the height of the pipette tips of gas gun 6 relative to the surface of bellows 3.
The nozzle structure is made up of the air duct in center blast tube and its outside, and gas is set inside burner head
Blender, makes two strands of process gas be sufficiently mixed at nozzle structure upper gas blender, it is ensured that the flame that the burner sprays
It is reliable and stable;Arrange in multiple gas guns, gas gun to be blast tube on the outside of burner, gas gun and nozzle structure are arranged on super
On the bellows of combustion with meagre oxygen device, super oxygen-poor combustion-supporting gas enters from bellows side;In super oxygen-poor burner outlet, burner block is set,
Burner block is exported sets a certain distance with gas gun pipette tips and burner head, ensure that certain residence time.In combustion gas
It is disposed with before rifle with the super oxygen-poor combustion-supporting gas spinning disk in bellows, combustion gas and ultra-poor oxygen and aiding combustion for strengthening gas gun ejection
Gas is sufficiently mixed, and the overall oxygen that ensure that in combustion gas and air can be sufficiently mixed so that oxygen content can reach
Amount of oxygen under to conventional sense, the burning solved under super oxygen-poor gaseity is not abundant enough, the technology that flame is not sufficiently stable
Problem.
It should be noted last that, above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover
Among scope of the presently claimed invention.
Claims (4)
1. a kind of nozzle structure, it is characterised in that including air duct and the center blast tube being arranged in air duct;Institute
State air duct top and the burner communicated therewith is set;The gas connected with blast tube is set to mix in the air channel outlet
Clutch;The air duct bottom sets air intake flange;The blast tube bottom sets fuel gas inlet flange.
2. one kind includes super oxygen-poor burner as claimed in claim 1, it is characterised in that including bellows, the bellows top
Burner block with its insertion is set;The bellows exit is provided with spinning disk;The bellows are provided centrally with the burner knot
Structure;Multiple combustion guns are set in the bellows;The pipette tips of the combustion gun extend to the inside of burner block;Each described combustion gas
The bottom of rifle extends to bellows bottom outside, and is connected with entrance adpting flange;The bellows side sets combustion-supporting gas to enter
Mouthful.
3. ultra-poor burner as claimed in claim 2, it is characterised in that the burner block is circumferentially provided with fixing rib;It is described
Journey venturi tubulose inside burner block.
4. ultra-poor burner as claimed in claim 2 or claim 3, it is characterised in that the height of the burner is relative to bellows surface
Higher than the height of gas gun pipette tips.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710682315.2A CN107270290A (en) | 2017-08-10 | 2017-08-10 | A kind of nozzle structure and super oxygen-poor burner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710682315.2A CN107270290A (en) | 2017-08-10 | 2017-08-10 | A kind of nozzle structure and super oxygen-poor burner |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107270290A true CN107270290A (en) | 2017-10-20 |
Family
ID=60079805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710682315.2A Pending CN107270290A (en) | 2017-08-10 | 2017-08-10 | A kind of nozzle structure and super oxygen-poor burner |
Country Status (1)
Country | Link |
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CN (1) | CN107270290A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109028064A (en) * | 2018-08-10 | 2018-12-18 | 山东盛阳金属科技股份有限公司 | A kind of heating furnace single channel coal gas and natural gas convertible burner and its application method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143117A (en) * | 1966-10-14 | 1969-02-19 | Gas Council | Improvements relating to gas burners |
JPH10169929A (en) * | 1996-12-05 | 1998-06-26 | Tokyo Gas Co Ltd | Oxygen enriched combustion burner |
CN103398379A (en) * | 2013-07-24 | 2013-11-20 | 中冶华天工程技术有限公司 | Oxygen-enriched burner |
CN106958814A (en) * | 2017-04-19 | 2017-07-18 | 安德森热能科技(苏州)有限责任公司 | A kind of burner block and the air classification flat-flame burner including the burner block |
CN107023827A (en) * | 2017-03-16 | 2017-08-08 | 广东正鹏生物质能源科技有限公司 | A kind of biomass gas burner |
-
2017
- 2017-08-10 CN CN201710682315.2A patent/CN107270290A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143117A (en) * | 1966-10-14 | 1969-02-19 | Gas Council | Improvements relating to gas burners |
JPH10169929A (en) * | 1996-12-05 | 1998-06-26 | Tokyo Gas Co Ltd | Oxygen enriched combustion burner |
CN103398379A (en) * | 2013-07-24 | 2013-11-20 | 中冶华天工程技术有限公司 | Oxygen-enriched burner |
CN107023827A (en) * | 2017-03-16 | 2017-08-08 | 广东正鹏生物质能源科技有限公司 | A kind of biomass gas burner |
CN106958814A (en) * | 2017-04-19 | 2017-07-18 | 安德森热能科技(苏州)有限责任公司 | A kind of burner block and the air classification flat-flame burner including the burner block |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109028064A (en) * | 2018-08-10 | 2018-12-18 | 山东盛阳金属科技股份有限公司 | A kind of heating furnace single channel coal gas and natural gas convertible burner and its application method |
CN109028064B (en) * | 2018-08-10 | 2019-11-22 | 山东盛阳金属科技股份有限公司 | A kind of heating furnace single channel coal gas and natural gas convertible burner and its application method |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |