CN105066126B - Pre-mixing type combustion apapratus - Google Patents
Pre-mixing type combustion apapratus Download PDFInfo
- Publication number
- CN105066126B CN105066126B CN201510504694.7A CN201510504694A CN105066126B CN 105066126 B CN105066126 B CN 105066126B CN 201510504694 A CN201510504694 A CN 201510504694A CN 105066126 B CN105066126 B CN 105066126B
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- CN
- China
- Prior art keywords
- regulating part
- mixing type
- type combustion
- combustion apapratus
- sealing plate
- 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.)
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Classifications
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- 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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
Abstract
The embodiment of the invention discloses a kind of pre-mixing type combustion apapratus, including shell (1), the sealing plate (2) being arranged in shell (1) and the multiple nozzles being arranged on sealing plate (2), regulating part (3) is provided between the outlet of sealing plate (2) and shell (1), regulating part (3) is equipped with multiple nozzles, and adjusts the angle of multiple nozzles.Pre-mixing type combustion apapratus according to the present invention can solve the problems, such as that the excessively high exhaust emission brought of combustor flame temperature is serious in the prior art.
Description
Technical field
The present invention relates to technical field of combustion equipment more particularly to a kind of pre-mixing type combustion apapratus.
Background technology
Existing premixed industrial burner mostly using the method for surface burning, is mainly heated using high-temperature flue gas, is fired
It is excessive to burn head volume, and oxygen quotient excessively is higher, there is larger loss in efficiency；Also or one-pipe mode of jet, flame temperature is high,
Thermal NO x generations are more, cause serious exhaust emission.
Invention content
An embodiment of the present invention provides a kind of pre-mixing type combustion apapratus, excessively high to solve combustor flame temperature in the prior art
The problem of exhaust emission brought is serious.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of pre-mixing type combustion apapratus, including shell, are arranged on outside
Sealing plate and the multiple nozzles being arranged on sealing plate in shell, are provided with regulating part, adjust between sealing plate and the outlet of shell
Section part is equipped with, and adjust the angle of multiple nozzles with multiple nozzles.
Optionally, multiple nozzles include intermediate noxzzle and the circumferential nozzle for being arranged on intermediate noxzzle side, regulating part setting
On intermediate noxzzle, circumferential nozzle links with regulating part, and the radially wobbling along itself under the drive of regulating part.
Optionally, intermediate noxzzle is rotatably arranged in around own torque on sealing plate.
Optionally, intermediate noxzzle is rotatably arranged in by bulb on sealing plate.
Optionally, mounting hole is provided on regulating part, circumferential nozzle is arranged in mounting hole.
Optionally, mounting hole is waist-shaped hole.
Optionally, along counterclockwise or clockwise, between the center line of waist-shaped hole and the central axis of intermediate noxzzle
Spacing gradually increases.
Optionally, otic placode is provided on regulating part, regulating part is fixedly connected on by otic placode on intermediate noxzzle.
Optionally, pre-mixing type combustion apapratus further includes cover board, and multiple nozzles are arranged on by cover board on sealing plate.
Optionally, regulating part is adjustable plate or connecting rod.
The present invention has the advantages that：
The nozzle angle for adjusting pre-mixing type combustion apapratus can be facilitated, so as to adjust the dispersion of flame and aggregation so that flame
Dispersion, peak flame temperature reduce, and the production quantity of thermal NO is greatly lowered, and disposal of pollutants is reduced so as to reach
Purpose.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will become clear.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the front view of the pre-mixing type combustion apapratus of the embodiment of the present invention；
Fig. 2 is the bottom view of the pre-mixing type combustion apapratus of the embodiment of the present invention；
Fig. 3 is the left view of the pre-mixing type combustion apapratus of the embodiment of the present invention.
Reference sign：1st, shell；2nd, sealing plate；3rd, regulating part；4th, intermediate noxzzle；5th, circumferential nozzle；6th, mounting hole；
7th, otic placode；8th, cover board；9th, cartridge；10th, mixer.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can be combined with each other.
With reference to shown in referring to Fig. 1 to Fig. 3, an embodiment of the present invention provides a kind of pre-mixing type combustion apapratus, including shell 1, set
The sealing plate 2 in shell 1 and the multiple nozzles being arranged on sealing plate 2 are put, is set between the outlet of sealing plate 2 and shell 1
There is regulating part 3, regulating part 3 is equipped with multiple nozzles, and adjusts the angle of multiple nozzles.
The pre-mixing type combustion apapratus is provided with the regulating part 3 for adjusting nozzle spray angle in shell 1, can be according to reality
Border situation facilitates the nozzle angle for adjusting pre-mixing type combustion apapratus, so as to adjust the dispersion of flame and aggregation so that flame disperses, fire
Flame temperature peak reduces, and the production quantity of thermal NO is greatly lowered, and achievees the purpose that reduce disposal of pollutants.
Multiple nozzles include intermediate noxzzle 4 and the circumferential nozzle 5 for being arranged on 4 side of intermediate noxzzle, during regulating part 3 is arranged on
Between on nozzle 4, circumferential nozzle 5 links with regulating part 3, and the radially wobbling along itself under the drive of regulating part 3.By regulating part
3 are arranged on intermediate noxzzle 4, and the weight of regulating part 3 can be made to be evenly distributed on intermediate noxzzle 4, equal 4 stress of intermediate noxzzle
Weighing apparatus, it is more convenient that regulating part 3 is adjusted, and then angular adjustment is carried out to circumferential nozzle 5.It is driven and adjusted by intermediate noxzzle 4
Section part 3 moves, and then circumferential nozzle 5 can be formed and driven, so as to reach the injection to circumferential nozzle 5 by intermediate noxzzle 4
The purpose that angle is adjusted is adjusted more convenient.
Intermediate noxzzle 4 is rotatably arranged in around own torque on sealing plate 2, can pass through the rotation band of intermediate noxzzle 4
Pivot axis of the regulating part 3 around intermediate noxzzle 4 is moved, and then achievees the purpose that adjust the spray angle of circumferential nozzle 5.
Intermediate noxzzle 4 is rotatably arranged in by bulb on sealing plate 2, and intermediate noxzzle 4 can be realized relative to sealing
The multi-faceted angle adjustment of plate 2 so that regulating part 3 can realize multi-angle adjustment with intermediate noxzzle 4, makes circumferential nozzle 5
Angle adjustment it is more flexible and convenient, the adjustment of a variety of different spray angles can be realized, so as to more easily realize
Flame disperses, and makes the temperature peak of jet flames reduce, and then the generation of thermal NO is greatly reduced, reaches energy-saving ring
The purpose of guarantor.
Mounting hole 6 is provided on regulating part 3, circumferential nozzle 5 is arranged in mounting hole 6.When regulating part 3 is with intermediate noxzzle 4
When moving together, under the drive of regulating part 3 certain fortune also occurs for the circumferential nozzle 5 in the mounting hole 6 of regulating part 3
It is dynamic, so as to change the spray angle of circumferential nozzle 5, nitrogen is reduced by flue gas recirculation and the method for reducing peak flame temperature
The discharge of oxide.
Preferably, mounting hole 6 is waist-shaped hole, when pivot axis of the regulating part 3 around intermediate noxzzle 4, servo motor
Central nozzle 4 is driven to rotate by connecting shaft, so as to which regulating part 3 be driven to rotate.Waist-shaped hole rotates with regulating part 3, due to week
Side nozzle 5 is mounted on sealing plate 2, therefore can not together be moved with waist-shaped hole, is merely able to push away in the side wall of waist-shaped hole
A degree of rotation occurs along the radial direction of itself under dynamic, so as to change the spray angle of circumferential nozzle 5.In order to ensure to periphery
The adjustment effect of the spray angle of nozzle 5, the width of waist-shaped hole should be equal to or slightly greater than circumferential nozzle 5 and match with waist-shaped hole
The maximum width of the part of conjunction.
Waist-shaped hole is arranged in a one-to-one correspondence with circumferential nozzle 5, it is ensured that regulating part 3 is accurate to the adjusting of each circumferential nozzle 5
It is really reliable.
Preferably, along counterclockwise or clockwise, between the center line of waist-shaped hole and the central axis of intermediate noxzzle 4
Spacing gradually increase, can more reasonably arrange waist-shaped hole so that the angle adjusting range of circumferential nozzle 5 is maximum, can
Preferably meet adjustment needs.
Otic placode 7 is provided on regulating part 3, regulating part 3 is fixedly connected on by otic placode 7 on intermediate noxzzle 4.Otic placode 7 can be with
It is more convenient that regulating part 3 is fixed on intermediate noxzzle 4.In the present embodiment, otic placode 7 is bolted to connection in
Between on nozzle 4.
Pre-mixing type combustion apapratus further includes cover board 8, and multiple nozzles are arranged on by cover board 8 on sealing plate 2.The lid of cover board 8 is located at
On each nozzle, so as to which each nozzle is fixed on sealing plate 2.Meanwhile cover board 8 does not form the rotation of nozzle and limits, and only prevents
Nozzle is deviate from from sealing plate 2, thereby may be ensured that regulating part 3 can effectively adjust nozzle angle.
Regulating part 3 can be adjustable plate or connecting rod.
Pre-mixing type combustion apapratus further includes the mixer 10 being arranged in shell 1, and cartridge 9 is connected on mixer 10, combustion
Material enters mixer 10, and with entering the air in mixer 10 at mixer 10 from the opening of shell 1 at cartridge 9
It is mixed, is sprayed after lighting by nozzle.
The pre-mixing type combustion apapratus of the embodiment of the present invention, combustion head is small, in the space of a relative closure, combustion gas with
Combustion air can be mixed uniformly；Multiple nozzles so that each nozzle internal combustion gas velocity rate is higher, reduce the risk of tempering, Ke Yibao
Hold constant pressure.Nozzle exit velocity is big, and nozzle angle is adjustable, can significantly roll up smoking gas, reaches interior recirculation effect
Fruit so that peak flame temperature is low, and discharged nitrous oxides are low；Flame under different operating modes can be made to keep stablizing simultaneously, can be adjusted
Flame radius and length are saved, meets various sizes of combustion chamber requirement.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of pre-mixing type combustion apapratus, which is characterized in that including shell (1), the sealing plate (2) being arranged in the shell (1)
With the multiple nozzles being arranged on the sealing plate (2), the jet port of multiple nozzles flushes setting, the sealing plate (2) and institute
It states and is provided with regulating part (3) between the outlet of shell (1), the regulating part (3) is equipped with, and adjust with the multiple nozzle
The angle of the multiple nozzle.
2. pre-mixing type combustion apapratus according to claim 1, which is characterized in that the multiple nozzle includes intermediate noxzzle (4)
With the circumferential nozzle (5) for being arranged on the intermediate noxzzle (4) side, the regulating part (3) is arranged on the intermediate noxzzle (4)
On, the circumferential nozzle (5) is linked with the regulating part (3), and is put under the drive of the regulating part (3) along the radial direction of itself
It is dynamic.
3. pre-mixing type combustion apapratus according to claim 2, which is characterized in that the intermediate noxzzle (4) can around own torque
It is rotatably arranged on the sealing plate (2).
4. pre-mixing type combustion apapratus according to claim 3, which is characterized in that the intermediate noxzzle (4) can be turned by bulb
It is arranged on dynamicly on the sealing plate (2).
5. pre-mixing type combustion apapratus according to claim 2, which is characterized in that be provided with mounting hole on the regulating part (3)
(6), the circumferential nozzle (5) is arranged in the mounting hole (6).
6. pre-mixing type combustion apapratus according to claim 5, which is characterized in that the mounting hole (6) is waist-shaped hole.
7. pre-mixing type combustion apapratus according to claim 6, which is characterized in that described along counterclockwise or clockwise direction
Spacing between the central axis of the center line of waist-shaped hole and the intermediate noxzzle (4) gradually increases.
8. pre-mixing type combustion apapratus according to claim 2, which is characterized in that be provided with otic placode on the regulating part (3)
(7), the regulating part (3) is fixedly connected on by the otic placode (7) on the intermediate noxzzle (4).
9. pre-mixing type combustion apapratus according to claim 1, which is characterized in that the pre-mixing type combustion apapratus further includes cover board
(8), the multiple nozzle is arranged on by the cover board (8) on the sealing plate (2).
10. pre-mixing type combustion apapratus according to any one of claim 1 to 9, which is characterized in that the regulating part (3) is
Adjustable plate or connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504694.7A CN105066126B (en) | 2015-08-17 | 2015-08-17 | Pre-mixing type combustion apapratus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504694.7A CN105066126B (en) | 2015-08-17 | 2015-08-17 | Pre-mixing type combustion apapratus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105066126A CN105066126A (en) | 2015-11-18 |
| CN105066126B true CN105066126B (en) | 2018-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510504694.7A Active CN105066126B (en) | 2015-08-17 | 2015-08-17 | Pre-mixing type combustion apapratus |
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| Country | Link |
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| CN (1) | CN105066126B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559883A (en) * | 2017-09-25 | 2018-01-09 | 上海泛智能源装备有限公司 | A kind of fuel nozzle and gas turbine |
| CN110146643A (en) * | 2018-02-13 | 2019-08-20 | 中国石油化工股份有限公司 | Simulate the experimental provision of hydro carbons fire |
| CN109737746A (en) * | 2018-12-20 | 2019-05-10 | 佛山市智锘机械有限公司 | A kind of high power die heating furnace body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257982A (en) * | 1998-12-18 | 2000-06-28 | Abb阿尔斯托姆燃烧动力公司 | Air chamber of burner with nozzles pointing one point through common connector |
| JP3715496B2 (en) * | 2000-02-17 | 2005-11-09 | 東京瓦斯株式会社 | Low NOx burner |
| WO2014162074A1 (en) * | 2013-04-05 | 2014-10-09 | Fives Pillard | Method for the combustion of a low nox premix gas burner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9314112D0 (en) * | 1993-07-08 | 1993-08-18 | Northern Eng Ind | Low nox air and fuel/air nozzle assembly |
| US6260491B1 (en) * | 1999-09-13 | 2001-07-17 | Foster Wheeler Corporation | Nozzle for feeding combustion providing medium into a furnace |
| CN204460209U (en) * | 2015-02-06 | 2015-07-08 | 岳阳远大热能设备有限公司 | Half premixed industrial gas burner |
| CN104728866B (en) * | 2015-03-17 | 2017-03-15 | 上海交通大学 | A kind of five jet-burner structures suitable for low-pollution burning chamber of gas turbine |
| CN204880112U (en) * | 2015-08-17 | 2015-12-16 | 罗诺克兹（北京）能源设备技术有限公司 | Pre -mixing type combustion apapratus |
-
2015
- 2015-08-17 CN CN201510504694.7A patent/CN105066126B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257982A (en) * | 1998-12-18 | 2000-06-28 | Abb阿尔斯托姆燃烧动力公司 | Air chamber of burner with nozzles pointing one point through common connector |
| JP3715496B2 (en) * | 2000-02-17 | 2005-11-09 | 東京瓦斯株式会社 | Low NOx burner |
| WO2014162074A1 (en) * | 2013-04-05 | 2014-10-09 | Fives Pillard | Method for the combustion of a low nox premix gas burner |
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| Publication number | Publication date |
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| CN105066126A (en) | 2015-11-18 |
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