CN205299519U - Low NOx of flat flame of long fire pan discharges gas burner - Google Patents

Low NOx of flat flame of long fire pan discharges gas burner Download PDF

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Publication number
CN205299519U
CN205299519U CN201521109545.2U CN201521109545U CN205299519U CN 205299519 U CN205299519 U CN 205299519U CN 201521109545 U CN201521109545 U CN 201521109545U CN 205299519 U CN205299519 U CN 205299519U
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gun
burner
gas
barral
gas gun
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CN201521109545.2U
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Chinese (zh)
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游述怀
罗映波
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Yueyang Mapower Thermprocess & Electromagnetic Technology Co ltd
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Yueyang Mapower Thermprocess & Electromagnetic Technology Co ltd
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Abstract

The utility model provides a low NOx of flat flame of long fire pan discharges gas burner, the fire pan brick is connected with burner body, and main gas rifle subassembly sets up with altar lamp part one end burner body with in the fire pan brick, the other end and external intercommunication, the fire pan brick is kept away from wall one side and is equipped with subsidiary gas rifle subassembly, the fire pan brick is hollow structure, the first half inclines to the wall, the inside combustion air passageway that is equipped with of fire pan brick, the combustion air passageway is connected with burner body, the one side that the wall was kept away from to the fire pan brick is for spraying gas face, the gas face of injection up is radially from the root, and adjacent inclined plane angle is different, the one side that the fire pan brick is close to the wall is equipped with jet -propelled passageway, jet -propelled passageway is for trapezoidal, the opening enlarges along the wall parallel direction gradually. Main and secondary gas rifle barral of a gun gas proportion is adjusted according to the operating mode to above -mentioned combustor, does benefit to gas local concentration in the control combustor scene of a fire, realizes that low NOx discharges, the flame distribution is more even, does benefit to the coking stove and promotes output, and energy saving consumed the festival.

Description

A kind of long fire pot Flat-flame low NOx drainage gas burner
Technical field
This utility model relates to petrochemical industry coker, particularly relates to a kind of coking wall-attached burner.
Background technology
Traditional most coking wall-attached burner bad adaptability, it is easy to de-fire, flame is partially long, attached wall weak effect, and is difficult to regulate in many groups shower nozzle allocation proportion of fuel staging, is unfavorable for the suppression NOx production effect after according to Operating condition adjustment burner rating.
Additionally, traditional most of flame width of coking wall-attached burner is inadequate, causes that temperature distributing disproportionation is even on coking furnace wall with flues, ultimately results in the non-uniform temperature on Software, the easy coking in local overheating region is serious, is greatly shortened time between overhauls(TBO) and boiler tube service life.
Utility model content
Based on this, it is necessary to for tradition coking wall-attached burner bad adaptability, it is easy to de-fire, flame is partially long, the problem of attached wall weak effect and temperature distributing disproportionation, it is provided that a kind of long fire pot Flat-flame low NOx drainage gas burner.
A kind of long fire pot Flat-flame low NOx drainage gas burner, brazier brick is connected with burner body, main gas gun assembly and altar lamp parts one end are arranged in burner body and brazier brick, the other end is in communication with the outside, brazier brick is provided with described auxiliary gas gun assembly away from metope side, and main gas gun assembly and auxiliary gas gun assembly are additionally provided with adjustment ball valve;
Brazier brick is hollow structure, the first half tilts to metope, combustion air passage it is provided with inside brazier brick, combustion air passage is connected with burner body, and brazier brick is injection gas burning face away from the one side of wall, and injection gas burning face is from root up radially, and adjacent bevel surfaces angle is different, brazier brick is provided with jet channel near the one side of wall, and jet channel is inverted trapezoidal, and opening expands gradually along metope parallel direction.
Wherein in an embodiment, burner body is hollow structure, inside is provided with combustion air passage, it is being provided with main gas gun installing hole and altar lamp installing hole near metope side, it is provided with auxiliary gas gun installing hole away from metope side, it is connected with flame-observing hole in burning main body, is provided with tune wind part in burner body lower end, adjust wind part and combustion air channel connection.
Wherein in an embodiment, main gas gun assembly includes main gas gun barral of a gun, drum collecting tubule, metal hose and adjustment ball valve;
Main gas gun barral of a gun is arranged on main gas gun installing hole, and main gas gun barral of a gun is at least provided with two, and main gas gun barral of a gun end is provided with drum collecting tubule, and drum collecting tubule end is provided with metal hose, and metal hose end is provided with adjustment ball valve.
Wherein in an embodiment, auxiliary gas gun assembly includes auxiliary gas gun barral of a gun, drum collecting tubule, metal hose and adjustment ball valve;
Auxiliary gas gun barral of a gun is arranged on auxiliary gas gun installing hole, auxiliary gas gun barral of a gun is at least provided with two, and auxiliary gas gun barral of a gun end is provided with drum collecting tubule, and drum collecting tubule end regulates ball valve, regulating ball valve end and be provided with metal hose, metal hose end is connected with main gas gun assembly.
Wherein in an embodiment, altar lamp parts include altar lamp barral of a gun, drum collecting tubule, metal hose and adjustment ball valve;
Altar lamp barral of a gun is arranged on altar lamp installing hole, and altar lamp barral of a gun end is provided with metal hose, and metal hose end is provided with adjustment ball valve.
The construction features of above-mentioned a kind of long fire pot Flat-flame low NOx drainage gas burner and having the beneficial effect that:
Main for burner cavity gas gun barral of a gun and auxiliary gas gun barral of a gun are grouped. The main gas gun barral of a gun quantity of inner chamber is 2-5, arranges a drum collecting tubule, and one end of drum collecting tubule arranges one and regulates ball valve, and auxiliary rifle drum collecting tubule one end arranges 2-5 auxiliary gas gun barral of a gun; The other end of drum collecting tubule is connected with combustion gas Trunk Line by flexible pipe, combustion gas Trunk Line arranges one and regulates ball valve, be used for controlling whole burner load.
The brazier brick being arranged on hearth floor is designed longer and narrower, make fire pot adjacent between two couple together as far as possible, and turn inner air runner at fire pot and be designed, make brazier brick opening part air bigger along furnace wall direction spray angle, burner flame along brazier brick burn time flame longer and narrower, two adjacent burner flames intersect at brazier brick and melt as a piece of, and attached wall flame height is shorter, is heated uniformly by coking furnace wall with flues.
The installation site of burner is arranged on coking furnace hearth floor, brazier brick leaves certain distance near the air outlet slit outer of wall with flues side with wall with flues, negative pressure region will be produced between brazier brick and fire pot, and local produces eddy current, flame is drawn to wall with flues, makes burner flame be attached on wall with flues wall and burn; When spraying at a high speed after combustion air with the combustion gas mixing of main gas gun barral of a gun ejection, also negative pressure region can be produced at inclined-plane place, and local produces eddy current, combustion gas is sprayed onto on brazier brick along inclined-plane along air outlet slit by auxiliary gas gun barral of a gun, and combustion gas is burnt after mixing with combustion air.
The setting of long fire pot makes flame front elongated, and combustion reaction disperses, and temperature reduces and evenly, is conducive to controlling thermal NO x and generates; Fuel staging is supplied by main gas gun barral of a gun and auxiliary gas gun barral of a gun, and according to the major-minor gas gun barral of a gun gas proportion of regulating working conditions, is beneficial to combustion gas local concentration in the control burner scene of a fire, it is achieved the overrich of fuel, light burning excessively, controls ignition temperature; Main rifle burns in brazier brick air flow channel, and combustion gas that the part high-temperature flue gas of generation and auxiliary rifle are brought and burner hearth are back to the high-temperature flue gas of brazier brick mouth negative pressure region and are mixed together burning, further suppress NOx and generate.
Above-mentioned one long fire pot Flat-flame low NOx drainage gas burner, fuel staging is supplied by main gas gun barral of a gun and auxiliary gas gun barral of a gun, according to the major-minor gas gun barral of a gun gas proportion of regulating working conditions, it is beneficial to combustion gas local concentration in the control burner scene of a fire, realize the overrich of fuel, cross light burning, control ignition temperature, it is achieved low NOx drainage; Flame distribution evenly, and reduces flame height, makes the gas radiation time more abundant, radiation efficiency improves, and obtains radiation fire scene temperature evenly, it is ensured that coking boiler tube thermally equivalent, reduce boiler tube hot-spot coking risk, be beneficial to coking furnace improving yield, save energy consumption.
Accompanying drawing explanation
Fig. 1 is this utility model front view.
Fig. 2 is Fig. 1 side view.
Fig. 3 is brazier brick top view.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is described more fully. Accompanying drawing gives first-selected embodiment of the present utility model. But, this utility model can realize in many different forms, however it is not limited to embodiment described herein. On the contrary, the purpose providing these embodiments is to make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that be referred to as " settings " at another element when element, it can be direct on another element or can also there is element placed in the middle. When an element is considered as " connection " another element, it can be communicates directly to another element, or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model are generally understood that. The purpose describing specific embodiment it is intended merely to herein, it is not intended that in restriction this utility model at term used in the description of the present utility model.
A kind of long fire pot Flat-flame low NOx drainage gas burner, brazier brick 1 is connected with burner body 5, main gas gun assembly and altar lamp parts one end are arranged in burner body 5 and brazier brick 1, the other end is in communication with the outside, brazier brick 1 is provided with auxiliary gas gun assembly away from metope side, and main gas gun assembly and auxiliary gas gun assembly are additionally provided with adjustment ball valve 33 and regulate ball valve 23;
Brazier brick 1 is hollow structure, the first half tilts to metope, brazier brick 1 is internal is provided with combustion air passage 13, combustion air passage 13 is connected with burner body 5, and brazier brick 1 is injection gas burning face 11 away from the one side of wall, and injection gas burning face 11 is from root up radially, and adjacent bevel surfaces angle is different, brazier brick 1 is provided with jet channel 12 near the one side of wall, and jet channel 12 is inverted trapezoidal, and opening expands gradually along metope parallel direction.
Preferably, burner body 5 is hollow structure, inside is provided with combustion air passage 51, it is being provided with main gas gun installing hole and altar lamp installing hole near metope side, it is provided with auxiliary gas gun installing hole away from metope side, it is connected with flame-observing hole 7 in burning main body, is provided with tune wind part 6 in burner body lower end, adjust wind part 6 to connect with combustion air passage 51.
Preferably, main gas gun assembly includes main gas gun barral of a gun 32, drum collecting tubule 31 and metal hose 34;
Main gas gun barral of a gun 32 is arranged on main gas gun installing hole, main gas gun barral of a gun 32 is at least provided with two, main gas gun barral of a gun 32 end is provided with drum collecting tubule 31, and drum collecting tubule 31 end is provided with metal hose 34, and metal hose 34 end is provided with adjustment ball valve 33.
Preferably, auxiliary gas gun assembly includes auxiliary gas gun barral of a gun 22, drum collecting tubule 21 and metal hose 24;
Auxiliary gas gun barral of a gun 22 is arranged on auxiliary gas gun installing hole, auxiliary gas gun barral of a gun 22 is at least provided with two, auxiliary gas gun barral of a gun 22 end is provided with drum collecting tubule 21, drum collecting tubule 21 end regulates ball valve 23, regulating ball valve 23 end and be provided with metal hose 24, metal hose 24 end is connected with main gas gun assembly.
Preferably, altar lamp parts include altar lamp barral of a gun 82, drum collecting tubule 81, metal hose 84 and regulate ball valve 83;
Altar lamp barral of a gun 82 is arranged on altar lamp installing hole, and altar lamp barral of a gun 82 end is provided with metal hose 84, and metal hose 84 end is provided with adjustment ball valve 83.
Embodiment 1
A kind of " long fire pot Flat-flame low NOx drainage gas burner " is main to be made up of brazier brick 1, auxiliary gas gun assembly, tune wind part 6, flame-observing hole 7, main gas gun assembly, altar lamp parts, burner body 5.
Wherein burner body 5 is mainly made up of parts such as mounting flange plate, refractory fibre filling, urceolus, noise reduction porous plate inner cores; Assisted gas rifle assembly mainly dry 22 by drum collecting tubule 21, auxiliary gas gun rifle, regulate ball valve 23, metal hose 24, auxiliary rifle burner nozzle form; Wind part 6 is adjusted mainly to be made up of baffle blades, linkage, tune wind handle etc.; Main gas gun assembly is mainly made up of drum collecting tubule 31, main gas gun barral of a gun 32, adjustment ball valve 33, metal hose 34, main rifle burner nozzle.
When the present invention is applied to petrochemical industry coking furnace, burner body 5 is linked and packed by mounting flange plate and coking furnace drop-bottom, it is generally adopted bolt to connect or welded and installed, burner body 5 is hollow structure, inside is combustion air passage 51, and as the assembly of critical piece, it is respectively arranged with main gas gun barral of a gun installing hole, auxiliary gas gun barral of a gun installing hole, altar lamp installing hole, flame-observing hole 7(welding), adjust wind part 6 to be arranged on the combustion air passage 51 of burner body 5. For the purpose of insulation, noise reduction, between urceolus and the noise reduction porous plate inner core of burner body 5, fill refractory fibrous material.
Brazier brick 1 is arranged on the drop-bottom within coking furnace burner hearth. Be primarily due to from great and be easy to manufacture, install reason, brazier brick 1 is divided into upper and lower two parts, and brazier brick 1 is hollow structure, and inside is combustion air passage 13, and mounted brazier brick 1 combustion air passage 13 is corresponding with burner body 5.
The injection gas burning face 11 of the corresponding auxiliary gas gun barral of a gun 22 of brazier brick 1 is ramp structure, each inclined-plane spreads along fuel gas injection, the inclined-plane of design up presents radial from root, adjacent bevel surfaces angle is different, it is beneficial to the backflow flue gas differentiation making fuel gas injection and carrying, local carries out flow-disturbing, makes fuel distribution and flame temperature more disperse, lowers NOx and produce.
Brazier brick 1 length in burner hearth is longer, and in order to make combustion air be evenly dispersed to brazier brick 1 mouthful, the feeder connection in the middle of brazier brick 1 is rectangle, up then expands gradually along furnace wall parallel direction. The combustion air passage 13 of brazier brick 1 tilts certain angle to furnace wall one side, is beneficial to combustion gas and flame is attached on wall with flues.
Auxiliary gas gun assembly is mainly made up of drum collecting tubule 21, auxiliary gas gun barral of a gun 22, adjustment ball valve 23, metal hose 24 and auxiliary rifle burner nozzle, the auxiliary rifle burner nozzle of this assembly adopts welding or threaded mode to be arranged on auxiliary gas gun barral of a gun 22, and auxiliary gas gun barral of a gun 22 is welded on drum collecting tubule 21.During installation, auxiliary gas gun barral of a gun 22, through the default installing hole of burner body 5 parts, gos deep in burner hearth, is inserted in the corresponding groove of brazier brick 1. The quantity of auxiliary gas gun barral of a gun 22 and auxiliary rifle burner nozzle designs according to number of burners, is generally 2-5 and props up.
Drum collecting tubule 21 one end of auxiliary gas gun assembly is closed, one end is provided with adjustment ball valve 23, drum collecting tubule 31 again through metal hose 24 with main gas gun assembly is connected, and regulates ball valve 23 and can regulate the combustion gas allocation proportion of main rifle and auxiliary rifle easily, it is achieved reduces NOx emission optimum efficiency.
Combustion gas is multi-stage jet by the spray orifice on burner nozzle to brazier brick 1 inclined-plane and overhead, it is achieved the deep or light area distribution difference of combustion zone fuel, it is suppressed that the generation of NOx. Fuel gas injection injection and upper edge hole place, brazier brick 1 inclined-plane form low-pressure area, promote burner hearth smoke backflow, with the mixed combustion again of combustion gas, combustion air, the further generation of suppression NOx.
Main gas gun assembly is mainly made up of drum collecting tubule 31, main gas gun barral of a gun 32, adjustment ball valve 33, metal hose 34 and main rifle burner nozzle. The main rifle burner nozzle of this assembly adopts welding or threaded mode to be arranged on main gas gun barral of a gun 32, and main gas gun barral of a gun 32 is welded on drum collecting tubule 31.
During installation, main gas gun barral of a gun 32, through the default installing hole bottom burner body 5, gos deep into the inside of brazier brick 1. The quantity of auxiliary gas gun barral of a gun and auxiliary rifle burner nozzle designs according to number of burners, is generally 2-4 and props up.
By metal hose 34, (drum collecting tubule 21 is connected, and one end is connected with metal hose 34 by metal hose 24, adjustment ball valve 23 with auxiliary gas gun assembly in drum collecting tubule 31 one end of main gas gun assembly. Regulate ball valve 33 and can regulate the gas quantity of whole burner, control the combustion power of burner.
Main gas gun burner in brazier brick 1, the combustion gas of ejection and combustion air mixing after-combustion. Herein, air relative surplus is relatively big, and during burning, temperature is not high, is conducive to suppressing the generation of NOx, and the oxygen deprivation flue gas after single-stage combustion, in the combustion gas mixing at brazier brick 1 mouthful place with the injection of auxiliary rifle fuel burner nozzle, enters secondary firing, further suppresses the generation of NOx.
Altar lamp parts are arranged on burner body 5 bottom preset installing hole, go deep into burner internal, and its head arrives brazier brick 1 centre position, and the fuel gas of altar lamp is carried supply by altar lamp metal hose 84.
Above-mentioned one long fire pot Flat-flame low NOx drainage gas burner, fuel staging is supplied by main gas gun barral of a gun 32 and auxiliary gas gun barral of a gun 22, according to the major-minor gas gun barral of a gun gas proportion of regulating working conditions, it is beneficial to combustion gas local concentration in the control burner scene of a fire, realize the overrich of fuel, cross light burning, control ignition temperature, it is achieved low NOx drainage; Flame distribution evenly, and reduces flame height, makes the gas radiation time more abundant, radiation efficiency improves, and obtains radiation fire scene temperature evenly, it is ensured that coking boiler tube thermally equivalent, reduce boiler tube hot-spot coking risk, be beneficial to coking furnace improving yield, save energy consumption.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims. It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (5)

1. one kind long fire pot Flat-flame low NOx drainage gas burner, it is characterized in that, brazier brick is connected with burner body, main gas gun assembly and altar lamp parts one end are arranged in described burner body and described brazier brick, the other end is in communication with the outside, described brazier brick is provided with auxiliary gas gun assembly away from metope side, and described main gas gun assembly and described auxiliary gas gun assembly are additionally provided with adjustment ball valve;
Described brazier brick is hollow structure, the first half tilts to metope, combustion air passage it is provided with inside described brazier brick, described combustion air passage is connected with described burner body, and described brazier brick is injection gas burning face away from the one side of wall, and described injection gas burning face is from root up radially, and adjacent bevel surfaces angle is different, described brazier brick is provided with jet channel near the one side of wall, and described jet channel is inverted trapezoidal, and opening expands gradually along metope parallel direction.
2. one according to claim 1 long fire pot Flat-flame low NOx drainage gas burner, it is characterized in that, described burner body is hollow structure, inside is provided with combustion air passage, being provided with main gas gun installing hole and altar lamp installing hole near metope side, it is provided with auxiliary gas gun installing hole away from metope side, is connected with flame-observing hole in described burning main body, tune wind part, described tune wind part and combustion air channel connection it is provided with in described burner body lower end.
3. one according to claim 2 long fire pot Flat-flame low NOx drainage gas burner, it is characterised in that described main gas gun assembly includes main gas gun barral of a gun, drum collecting tubule and metal hose;
Described main gas gun barral of a gun is arranged on described main gas gun installing hole, described main gas gun barral of a gun is at least provided with two, described main gas gun barral of a gun end is provided with described drum collecting tubule, described drum collecting tubule end is provided with described metal hose, and described metal hose end is provided with described adjustment ball valve.
4. one according to claim 2 long fire pot Flat-flame low NOx drainage gas burner, it is characterised in that described auxiliary gas gun assembly includes auxiliary gas gun barral of a gun, drum collecting tubule and metal hose;
Described auxiliary gas gun barral of a gun is arranged on described auxiliary gas gun installing hole, described auxiliary gas gun barral of a gun is at least provided with two, described auxiliary gas gun barral of a gun end is provided with described drum collecting tubule, ball valve is regulated described in described drum collecting tubule end, described adjustment ball valve end is provided with described metal hose, and described metal hose end is connected with main gas gun assembly.
5. one according to claim 2 long fire pot Flat-flame low NOx drainage gas burner, it is characterised in that described altar lamp parts include altar lamp barral of a gun, drum collecting tubule, metal hose and adjustment ball valve;
Described altar lamp barral of a gun is arranged on described altar lamp installing hole, and described altar lamp barral of a gun end is provided with described metal hose, and described metal hose end is provided with described adjustment ball valve.
CN201521109545.2U 2015-12-29 2015-12-29 Low NOx of flat flame of long fire pan discharges gas burner Active CN205299519U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051763A (en) * 2016-06-24 2016-10-26 洛阳乐邦石化设备有限公司 Enhanced low nox burner
CN106382629A (en) * 2016-11-18 2017-02-08 岳阳钟鼎热工电磁科技有限公司 Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission
CN106594722A (en) * 2016-11-04 2017-04-26 北京航天石化技术装备工程有限公司 Bottom low nitrogen oxide gas burner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106051763A (en) * 2016-06-24 2016-10-26 洛阳乐邦石化设备有限公司 Enhanced low nox burner
CN106051763B (en) * 2016-06-24 2018-08-14 洛阳乐邦石化设备有限公司 Enhanced low NOxBurner
CN106594722A (en) * 2016-11-04 2017-04-26 北京航天石化技术装备工程有限公司 Bottom low nitrogen oxide gas burner
CN106382629A (en) * 2016-11-18 2017-02-08 岳阳钟鼎热工电磁科技有限公司 Oil and gas combustor capable of realizing combustion of high-purity hydrogen fuel gas, flat flame and ultra-low NOx emission

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