CN207486823U - A kind of more quality gas burners under high negative pressure environment - Google Patents
A kind of more quality gas burners under high negative pressure environment Download PDFInfo
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- CN207486823U CN207486823U CN201721648852.7U CN201721648852U CN207486823U CN 207486823 U CN207486823 U CN 207486823U CN 201721648852 U CN201721648852 U CN 201721648852U CN 207486823 U CN207486823 U CN 207486823U
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- burner
- air gun
- negative pressure
- combustion
- gas
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Abstract
The utility model discloses more quality gas burners under a kind of high negative pressure environment, including burner shell, the burner assembly of supplied gas flowing is installed in the burner casing body, the burner assembly includes center air gun and the multiple circumference air guns being circumferentially provided on the air gun circumference of center, combuster is connected in the port of export of burner assembly, input end is communicated with expansion box, the center air gun and circumference air gun realize separately or simultaneously air supplying operation by expansion box, it is big to solve coalification different kinds of process flow periodic off-gases calorific value difference, a variety of quality fuel gas burings adjust Adaptive Technology problem.
Description
Technical field
The utility model is related to gas burner technical field, more quality combustion gas combustion under specially a kind of high negative pressure environment
Burner.
Background technology
Rich coal resources in China, and petroleum resources are deficient determines that coal is the main primary energy in China, during coal burning
It can generate outside a large amount of CO2 greenhouse gases, can also generate dust pollution, nitrogen oxides, SO2 etc..It is fast with national economy
Speed development, the raising of living standards of the people, the requirement for quality of life increasingly improve, and environmental quality issues becomes international community
The focus of attention, country promulgates increasingly strict environment protectment protection in succession, and coal-fired thermal power generation unit is reaches newest ring
It protects definitely, is respectively mounted desulphurization and denitration facility and highly efficient cleaner.
SCR flue gas denitrification systems, the extensive use on coal-fired power station boiler due to its denitration rate height, SCR denitrating flue gas are urged
Agent is divided to two kinds of high temperature and low temperature, and in China, low temperature catalyst is still immature, substantially based on high temperature catalyst.By macroeconomic
Situation influences, and network load is low and state compulsion requires to use the policy guidance of generation of electricity by new energy, thermal power generation unit quilt as possible
Compel more performance peak regulating functions, thermal power generation unit coal-fired so usually needs underrun, and boiler controller system load is less than
During 50% rated load, SCR equipment for denitrifying flue gas inlet flue gas temperature can be less than the minimum temperature of its requirement, make its denitration efficiency significantly
It reduces, and the NOx emission concentration of minimum discharge standard restriction can not be met；In boiler cold-state igniting start-up course, SCR flue gases take off
Nitre device portal smoke temperature can also be significantly less than the minimum temperature of its requirement.
China's metallurgical industry is in large scale, and metallurgical production process can generate the metallurgical gases based on CO；Disappear in metallurgical process
Consume a large amount of coke, coke is major product after coal gasification, byproduct coke-stove gas.
The domestic main big province of producing coal, has a considerable amount of coal chemical enterprises, can be generated in coalification production process calorific value 8~
The various periodic off-gases of 36MJ/Nm3, under the conditions of certain thermal power, more quality calorific value fuel gas consumption, it is therefore desirable to solve high negative pressure
Flame holding technical barrier and solve that coalification different kinds of process flow periodic off-gases calorific value difference is big, a variety of quality combustion gas under environment
Burning adjusts Adaptive Technology problem.
Utility model content
In order to overcome the shortcomings of prior art, the utility model provides more quality combustion gas under a kind of high negative pressure environment
Burner, under high negative pressure environment, flame combustion is more stablized, and effectively reduces different kinds of process flow periodic off-gases calorific value difference, solves
A variety of quality fuel gas burings of having determined adjust the technical barrier of adaptability, can effectively solve the problem that the problem of background technology proposes.
Technical solution is used by the utility model solves its technical problem：A kind of more qualities combustion under high negative pressure environment
Air burner including burner shell, installs the burner assembly of supplied gas flowing, the burning in the burner casing body
Device assembly includes center air gun and the multiple circumference air guns being circumferentially provided on the air gun circumference of center, in going out for burner assembly
Mouth end connection combuster, input end are communicated with expansion box, the center air gun and circumference air gun and are realized independently by expansion box
Or air supplying operation simultaneously.
As a kind of preferred technical solution of the utility model, burner casing described in one end retraction of the burner assembly
The inside of body simultaneously connects with the combustion chamber, and the other end stretches out burner casing in vitro and connects with expansion box；The center air gun
The one end side that is pierced by outside expansion box of central gas gun barrel body be connected with center air gun fuel gas inlet pipe, the side of the expansion box
Circumference air gun fuel gas inlet pipe is connected with, the center air gun internal sleeve is connected to igniting altar lamp component, the burner assembly
Side be equipped with combustion air inlet.
As a kind of preferred technical solution of the utility model, the igniting altar lamp component includes centrally disposed air gun
High-energy firing gun at inner axes line, the end face of described high-energy firing gun one end are equipped with ignition coal air gun spray orifice, side peace
Equipped with blade flame holder, the other end stretching central gas gun barrel of the high-energy firing gun is external, and the side of external part is connected with
Gas for ignition inlet tube, gas for ignition combustion air inlet pipe and ionic flame detection components.
As a kind of preferred technical solution of the utility model, the port of export of the burner assembly is supported by bearing rod
Burner shell center is fixed on, input end is fixedly welded on by ring flange on burner shell, and burner assembly is worn
Go out outside ring flange.
As a kind of preferred technical solution of the utility model, the port of export of the combustion chamber is equipped with high temperature flue,
The high temperature flue both sides cooperate with fire clay.
As a kind of preferred technical solution of the utility model, the side installation combustion gas fire inspection component of the burner shell
With image flame observation assembly.
As a kind of preferred technical solution of the utility model, the blade flame holder is axial more blade structures or expansion
Cone structure.
As a kind of preferred technical solution of the utility model, the port of export of the igniting altar lamp component is necking section,
And necking section connects with combustion chamber.
As a kind of preferred technical solution of the utility model, the burner assembly outer wall and burner shell inner wall it
Between radial spacing >=50mm, and with fire clay along burner assembly it is axially extending cast form combustion chamber.
As a kind of preferred technical solution of the utility model, the outlet of the high temperature flue is provided with according to boiler
The vacuum magnitude of flue adjusts the regulating mechanism that flue gas flows through resistance.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model is lighted a fire by altar lamp component of lighting a fire, while is carried out by ionic flame detection components
Igniting observation convenient for getting information about ignition conditions, while is observed the whole burning of chamber progress by image/video and is observed；
(2) the utility model is lighted a fire in a manner that center air gun and circumference air gun cooperate, and improves igniting
Convenient degree, conflagration can be carried out for the combustion gas of different qualities, it is adaptable, and pass through burner assembly and point
The mutual cooperation of fiery altar lamp component effectively solves the problems, such as that coalification different kinds of process flow periodic off-gases calorific value difference is big.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
In figure：1st, igniting altar lamp component；2nd, burner assembly；3rd, burner shell；4th, combustion chamber；5th, high-temperature flue gas leads to
Road；6th, combustion gas fire inspection component；7th, image/video observation assembly；8th, fire clay；
1-1, ionic flame detection components；1-2, high-energy firing gun；1-3, gas for ignition inlet tube；1-4, gas for ignition combustion
Burn air inlet duct；1-5, blade flame holder；1-6, ignition coal air gun spray orifice；1-7, necking section；
2-1, central gas gun barrel body；2-2, center air gun fuel gas inlet pipe；2-3, expansion box；2-4, the combustion gas of circumference air gun into
Mouth pipe；2-5, circumference air gun；2-6, total combustion air inlet tube；2-7, center air gun；2-8, burner tube body；
5-1, circumference circulation high temperature flue structure；5-2, middle flow high temperature flue structure；5-3, interstitial hole
Plate circulation high temperature flue structure
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides more quality gas burners under a kind of high negative pressure environment, including burning
Device housing 3, the burner assembly 2 of installation supplied gas flowing, burner assembly 2 include center air gun 2-7 in burner shell 3
And multiple circumference air gun 2-5 on the air gun 2-7 circumference of center are circumferentially provided on, it is connected in the port of export of burner assembly 2
Combustion chamber 4, input end are communicated with expansion box 2-3, center air gun 2-7 and circumference air gun 2-5 by expansion box 2-3 realize it is independent or
Air supplying operation simultaneously；The inside of one end retraction burner shell 3 of burner assembly 2 simultaneously connects with combustion chamber 4, and the other end stretches out
Burner shell 3 is outer and connects with expansion box 2-3；The central gas gun barrel body 2-1 of center air gun 2-7 is pierced by outside expansion box 2-3
The side that one end side is connected with center air gun fuel gas inlet pipe 2-2, expansion box 2-3 is connected with circumference air gun fuel gas inlet pipe 2-
Igniting altar lamp component 1 is socketed with inside 4, center air gun 2-7, the side of burner assembly 2 is equipped with combustion air inlet 2-6.
The gas (referring mainly to combustion gas and air here) of the needs of burner assembly 2 is inputted by expansion box 2-3, and opens combustion
Burner component 2, by lighting a fire, altar lamp component 1 is struck sparks, and after striking sparks successfully, gas is mixed and burned in combustion chamber 4, then basis
The heating power of burner assembly 2, selectivity individually launches center air gun 2-7 or circumference air gun 2-5, in can also putting into operation simultaneously
Motive rifle 2-7 and circumference air gun 2-5, center air gun 2-7 referred herein and circumference air gun 2-5 are specially high pressure air rifle, each
The front end of root circumference air gun 2-5 is single hole or porous structure, and wherein circumference air gun 2-5 can also use tracheae；Specifically put into operation
Mode is as follows：
When combustion gas quality calorific value is close to lower bound, while the center air gun 2-7 and circumference air gun 2-5 that puts into operation, and pass through combustion gas
Pressure, which is adjusted, adapts to thermal power variation.
When combustion gas quality calorific value is near mean value, individually put into operation center air gun 2-7 or circumference air gun 2-5, and leads to
It crosses gas pressure regulation and adapts to thermal power variation.
When combustion gas quality calorific value is prescribed a time limit close to height, preferentially put into operation center air gun 2-7, and adapts to heat by gas pressure regulation
Changed power.
Using the design method of above-mentioned center air gun 2-7 and circumference air gun 2-5, coalification different kinds of process flow periodic off-gases are solved
Calorific value difference is big, a variety of quality fuel gas burings adjust Adaptive Technology problem.
Altar lamp component 1 of lighting a fire includes the high-energy firing gun 1-2 at centrally disposed air gun 2-7 inner axes lines, wherein high
Can burning torch 1-2 can also be adjacent in the central gas gun barrel body 2-1 outer circumferences of centrally disposed air gun 2-7 position, high energy
The end face of burning torch 1-2 one end is equipped with ignition coal air gun spray orifice 1-6, and side is equipped with blade flame holder 1-5, the steady flame of blade
Device 1-5 is axial more blade structures or expands cone structure, and the structure of the shape can both facilitate support positioning high-energy burning torch
1-2 can be also solved in engineering background under high negative pressure environment, flame holding technical barrier, the other end of high-energy firing gun 1-2
It stretches out outside central gas gun barrel body 2-1, the side of external part is connected with to input the gas for ignition inlet tube 1-3 of coal gas, use
In the gas for ignition combustion air inlet pipe 1-4 of input air and ionic flame detection components 1-1, altar lamp component 1 of lighting a fire
The port of export is necking section 1-7, and necking section 1-7 connects with combustion chamber 4, necking section 1-7 its be substantially its inner wall for necking
Shape easily collects Flame.
Wherein ionic flame detection components 1-1 is for detecting whether high-energy firing gun 1-2 sparkings succeed, in defined delay
In period, fire has such as been detected, then success of lighting a fire needs the center air gun 2-7 that can individually put into operation further according to heating power later
Or circumference air gun 2-5, it can also put into operation simultaneously.
The port of export of burner assembly 2 is supported and fixed on 3 center of burner shell by bearing rod, and input end passes through flange
Disk is fixedly welded on burner shell 3, and burner assembly 2 is pierced by outside ring flange, and the export structure of center air gun 2-7 is
The swirl channel or the outlet that multiple blades are formed play multiple combustions by being covered in the ellipse of central gas gun barrel body 2-1
Gas blowout perforation is formed；The side installation combustion gas fire inspection component 6 and image flame observation assembly 7 of burner shell 3, wherein combustion gas fire
What inspection component 6 utilized is existing fiery inspection technology, and combustion gas fire inspection component 6 and image flame observation assembly 7 can adopt respectively
With the structure of the body of rod and cavity, inside is pierced into outside burner shell 3, and towards between igniting altar lamp component 1 and combustion chamber 4
The position that flame generates.
Radial spacing >=50mm between 3 inner wall of 2 outer wall of burner assembly and burner shell, and with fire clay 8 along combustion
The axially extending cast of burner component 2 forms combustion chamber 4；The port of export of combustion chamber 4 is equipped with high temperature flue 5, and high-temperature flue gas leads to
5 both sides of road cooperate with fire clay 8.
The outlet of high temperature flue is provided with the adjusting for adjusting flue gas according to the vacuum magnitude of boiler flue and flowing through resistance
Mechanism, the regulating mechanism boiler flue negative pressure about~500Pa or so when, using middle flow high temperature flue structure 5-
2；Negative pressure about~1000Pa or so when, using circumference circulation high temperature flue structure 5-1；Negative pressure about~1500Pa or so
When, using interstitial hole plate circulation high temperature flue structure 5-3.
The cross section of above-mentioned all components for circle, ellipse, rectangle or all can produce it is close-shaped, with circle
It is preferred with rectangular section, and the port of export for altar lamp component 1 of lighting a fire is circular hole or the line of rabbet joint easy to process.
To sum up, the utility model is mainly characterized by：
(1) the utility model is lighted a fire by altar lamp component of lighting a fire, while is carried out by ionic flame detection components
Igniting observation convenient for getting information about ignition conditions, while is observed the whole burning of chamber progress by image/video and is observed；Together
Shi Zhongxin air guns 207 or circumference air gun 205 can be used alone, and can also use simultaneously, so as to complete combustion gas difference quality, stream
Amount is different, the identical constantly high-efficiency cleaning burning task of thermal power.
(2) the utility model is lighted a fire in a manner that center air gun and circumference air gun cooperate, and improves igniting
Convenient degree, conflagration can be carried out for the combustion gas of different qualities, it is adaptable, and pass through burner assembly and point
The mutual cooperation of fiery altar lamp component effectively solves the problems, such as that coalification different kinds of process flow periodic off-gases calorific value difference is big.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (10)
1. a kind of more quality gas burners under high negative pressure environment, including burner shell (3), in the burner shell
(3) burner assembly (2) of installation supplied gas flowing in, it is characterised in that：The burner assembly (2) includes center air gun
(2-7) and the multiple circumference air guns (2-5) being circumferentially provided on center air gun (2-7) circumference, in going out for burner assembly (2)
Mouth end connection combuster (4), input end are communicated with expansion box (2-3), the center air gun (2-7) and circumference air gun (2-5)
Separately or simultaneously air supplying operation is realized by expansion box (2-3).
2. more quality gas burners under a kind of high negative pressure environment according to claim 1, which is characterized in that the combustion
The inside of burner shell (3) described in one end retraction of burner component (2) simultaneously connects with the combustion chamber (4), and the other end stretches out
Burner shell (3) connects outside and with expansion box (2-3)；The central gas gun barrel body (2-1) of the center air gun (2-7) is pierced by storage
The one end side of gas tank (2-3) outside is connected with center air gun fuel gas inlet pipe (2-2), the side connection of the expansion box (2-3)
There is circumference air gun fuel gas inlet pipe (2-4), igniting altar lamp component (1), the combustion are socketed with inside the center air gun (2-7)
The side of burner component (2) is equipped with combustion air inlet (2-6).
3. more quality gas burners under a kind of high negative pressure environment according to claim 2, which is characterized in that the point
Fiery altar lamp component (1) includes the high-energy firing gun (1-2) at centrally disposed air gun (2-7) inner axes line, the high energy point
The end face of firelock (1-2) one end is equipped with ignition coal air gun spray orifice (1-6), and side is equipped with blade flame holder (1-5), described
The other end of high-energy firing gun (1-2) stretches out central gas gun barrel body (2-1) outside, and the side of external part is connected with gas for ignition and enters
Mouth pipe (1-3), gas for ignition combustion air inlet pipe (1-4) and ionic flame detection components (1-1).
4. more quality gas burners under a kind of high negative pressure environment according to claim 1, which is characterized in that the combustion
The port of export of burner component (2) is supported and fixed on burner shell (3) center by bearing rod, and input end is fixed by ring flange
It is welded on burner shell (3), and burner assembly (2) is pierced by outside ring flange.
5. more quality gas burners under a kind of high negative pressure environment according to claim 4, which is characterized in that the combustion
The port of export for burning room (4) is equipped with high temperature flue (5), high temperature flue (5) both sides and fire clay (8) phase interworking
It closes.
6. more quality gas burners under a kind of high negative pressure environment according to claim 1, which is characterized in that the combustion
The side installation combustion gas fire inspection component (6) and image flame observation assembly (7) of burner housing (3).
7. more quality gas burners under a kind of high negative pressure environment according to claim 3, which is characterized in that the rotation
Piece flame holder (1-5) is axial more blade structures or expands cone structure.
8. more quality gas burners under a kind of high negative pressure environment according to claim 2, which is characterized in that the point
The port of export of fiery altar lamp component (1) is necking section (1-7), and necking section (1-7) connects with combustion chamber (4).
9. more quality gas burners under a kind of high negative pressure environment according to claim 1, which is characterized in that the combustion
Radial spacing >=50mm between burner component (2) outer wall and burner shell (3) inner wall, and with fire clay (8) along burner
The axially extending cast of component (2) forms combustion chamber (4).
10. more quality gas burners under a kind of high negative pressure environment according to claim 5, which is characterized in that described
The outlet of high temperature flue is provided with the regulating mechanism for adjusting flue gas according to the vacuum magnitude of boiler flue and flowing through resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648852.7U CN207486823U (en) | 2017-12-01 | 2017-12-01 | A kind of more quality gas burners under high negative pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648852.7U CN207486823U (en) | 2017-12-01 | 2017-12-01 | A kind of more quality gas burners under high negative pressure environment |
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| Publication Number | Publication Date |
|---|---|
| CN207486823U true CN207486823U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648852.7U Active CN207486823U (en) | 2017-12-01 | 2017-12-01 | A kind of more quality gas burners under high negative pressure environment |
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| CN (1) | CN207486823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649343A (en) * | 2020-06-22 | 2020-09-11 | 四川铭能科技开发有限公司 | Efficient low-nitrogen VOC waste gas incinerator and incineration method |
-
2017
- 2017-12-01 CN CN201721648852.7U patent/CN207486823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649343A (en) * | 2020-06-22 | 2020-09-11 | 四川铭能科技开发有限公司 | Efficient low-nitrogen VOC waste gas incinerator and incineration method |
| CN111649343B (en) * | 2020-06-22 | 2022-05-24 | 四川铭能科技开发有限公司 | Efficient low-nitrogen VOC waste gas incinerator and incineration method |
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