CN105042595B - Intelligent natural gas, coal dust dual burner - Google Patents
Intelligent natural gas, coal dust dual burner Download PDFInfo
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- CN105042595B CN105042595B CN201510561673.9A CN201510561673A CN105042595B CN 105042595 B CN105042595 B CN 105042595B CN 201510561673 A CN201510561673 A CN 201510561673A CN 105042595 B CN105042595 B CN 105042595B
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- 239000002817 coal dust Substances 0.000 title claims abstract description 75
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003345 natural gas Substances 0.000 title claims abstract description 37
- 230000009977 dual effect Effects 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 63
- 239000003245 coal Substances 0.000 claims abstract description 52
- 238000005507 spraying Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 230000008676 import Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 241000486406 Trachea Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008844 regulatory mechanism Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
A kind of intelligent natural gas, coal dust dual burner, its burner body is made up of coal dust rifle, gas spraying device of air, ventilating duct, air quantity adjusting mechanism, coal dust rifle position is in the bluff body governor motion being provided with the center of coal burner main body, coal dust rifle before and after the coal dust gun main body of distance of the cyclone leaf for adjusting pulverized coal outlet and First air passage rear end on governor motion and coal dust rifle；Gas spraying device of air is located at the outside of pulverized coal gun, is arranged concentrically with pulverized coal gun；The pilot of coal dust rifle constitutes the inner cylinder of gas spraying device of air, and the end of gas spraying device of air is provided with jet mechanism.Coal dust rifle and gas spraying device of air are provided with same burner, the burning that natural gas and coal dust can independently be stablized, it can be switched over immediately in actual motion, the situation of blowing out because of a kind of undercharge or the failure of burning conveying equipment is avoided, the continuity, stability and reliability of burning coal power combustor is realized.
Description
Technical field
It is particularly a kind of supporting suitable for energy-efficient, environmental protection pulverized-coal fired boiler the present invention relates to a kind of burner
Intelligent natural gas, coal dust dual burner in equipment.
Background technology
With the development of economic society, the mankind increase the demand of the energy year by year, in fusion energy, solar energy, geothermal energy etc.
Before new energy use technology is ripe, the fossil fuel such as coal, oil, natural gas is still main energy sources for the survival of mankind.
Therefore make, research and develop fire coal（Powder）, fuel oil, combustion gas（Natural gas, blast furnace gas, coke-stove gas, producer gas etc.）Burning
Equipment, is still a very powerful and exceedingly arrogant industry.And for China, because natural gas and oil price are expensive, coal is in China
Occupy in energy wastage in bulk or weight more than 70% share, and energy resource structure within a considerably long period based on coal will not
Change.But as the energy is constantly nervous, the continuous aggravation of environmental pollution is energy-efficient, clear for coal-fired thermal hardware
Clean environmental protection is again as technological difficulties urgently to be resolved hurrily.
At present, China is world today's production and the big country using Industrial Boiler, and when following considerably long one section
In, coal-burned industrial boiler will be the leading products of China.But conventional coal-burning boiler can produce serious environmental pollution simultaneously
And it is poorly efficient, as energy-conserving and environment-protective require increasingly strict, it will be widelyd popularize using novel high-efficient energy-saving environment-friendly pulverized-coal fired boiler.Therefore
Using clean combustion technique it is efficient, energy-conservation, low stain Industrial Boiler by be production development trend.
In recent years, pulverized-coal fired boiler is promoted in national each province and city in plain text, coal dust as Chinese clean coal technology important composition portion
Point, by technological development in recent years, industrial experiment and commercial Demonstration Application, have shown that it has save, it is high
Many advantages such as efficiency combustor and low stain, but there are still both sides problem：One is the supply of coal dust by weather, coal
Source, the influence of road conditions etc.；Two be that complete auxiliaries are more, the link of increase influence operation rate.
And when using natural gas as fuel, equally exist both sides problem：One is that Gas Prices are expensive, is increased
Plus operating cost；Two be that natural gas is deficient, equally exists the situation of insufficient supply.
But as the generator of the energy, either heating requires the company of operating using being used in still industrial production
Continuous property, stability and reliability, can still accomplish continuous, steady again without that can accomplish thermal efficiency height, energy-conserving and environment-protective up to now
The product of the fixed, coal powder burner of reliability service comes out.
The content of the invention
The present invention, which is directed to existing burner, can not accomplish that continuous operating, stabilization and reliable deficiency are efficiently saved there is provided a kind of
Can, intelligent natural gas, the coal dust dual burner of safety and environmental protection.
Realizing the technical scheme that above-mentioned purpose is used is：
A kind of intelligent natural gas, coal dust dual burner, mainly by coal dust firing and combustion of natural gas two parts, including
Coal powder conveying system, gas conveying system, burner body, fire trough, coal powder conveying system is by connecting flexible pipe and burning
Device main body is connected, and gas conveying system is directly connected by steel pipe with burner body, and burner body is connected with fire trough,
Also include gas spraying device of air and ventilating duct；
A. described burner body is main by coal dust rifle, gas spraying device of air, ventilating duct, air quantity adjusting mechanism group
Into described coal dust rifle position is in being provided with twice adjustable mechanism on the center of coal burner main body, coal dust rifle, one is
For adjusting pulverized coal outlet and governor motion before and after the coal dust gun main body of the distance of the cyclone leaf of First air passage rear end, two are
Bluff body governor motion on coal dust rifle；The bluff body pull bar that bluff body pull bar is located at the centre of coal dust rifle is tube manufacture, for pressure
Contracting air duct, bluff body rod head sets compressed air spirt mouthful；
B. described gas spraying device of air is located at the outside of pulverized coal gun, is arranged concentrically with pulverized coal gun；Wherein, coal dust
The pilot of rifle constitutes the inner cylinder of gas spraying device of air, and the end of gas spraying device of air is provided with jet mechanism；
C. described ventilating duct is set to two, is followed successively by First air passage, secondary air channel, and First air passage is located at coal
Powder burner center, the rear end of First air passage is equipped with First air cyclone leaf；First air passage shape in coal burner main body
Into the inner cylinder of secondary air channel, the rear end of secondary air channel is provided with the Secondary Air cyclone leaf of adjustable angle.
Preferably, governor motion adjusts fixed block and three clamping screws by coal dust rifle before and after described coal dust gun main body
Composition.
Preferably, described bluff body governor motion is by being arranged on first, second, third 3 bluff body groups that coal dust is robbed
Into, wherein the second bluff body and the 3rd bluff body are adjusted before and after being carried out by screw thread, the distance between adjustment and the first bluff body, to adapt to
The emitted dose and spray angle of Coal rank.
Filled preferably, described jet mechanism is made up of natural gas jet pipe and gas spraying stomata positioned at natural gas jet
The tail end put.
Preferably, the tail end in gas spraying device of air sets three row's fumaroles, altogether 108.
Preferably, described gas spraying tracheae is set to many, the end of many gas spraying tracheaes installs steady flame additional
Cover, air jet pipe stretches out the cyclone leaf of First air passage rear end respectively.
Preferably, the inside and outside cylinder of described secondary air channel is respectively conical structure.
Using above-mentioned technical proposal, compared with prior art, the present invention be provided with same burner coal dust rifle and
Gas spraying device of air, is arranged in First air passage, the adjustable cyclone leaf of layout angle in secondary air channel；Gas spraying
Device of air is using two kinds of spray regimes, and every kind of is small spray orifice form injection, when individually burning natural gas, coal dust rifle center
Bluff body pull bar connects compressed air, and compressed air is sprayed with 60 ° of jet angles, one layer of air film is formed on the outside of coal dust rifle, to coal dust
The bluff body formation protection of rifle end, in case temperature is too high and damages；When independent combusting coal fines, because gas spraying device of air is whole
Body is arranged in First air passage, there is cold wind protection all the time, will not be because temperature is too high and damages.Company ground present invention preserves me
" coal burner " of hair（The 2288.X of patent No. ZL2012 1018）Advantage, primary and secondary air passage be pyramidal structure, once
Wind air quantity is only the 35% of total blast volume, is strong Whirl deposite tank, in coal dust concentrated phase area anoxycausis, and Secondary Air air quantity is total blast volume
65%, eddy flow adjustable angle supplies the wind needed for coal dust firing, combustion air classification supplying, can be prevented effectively from NOx generation.My god
The burning that right gas and coal dust can independently stablize, can be switched over immediately in actual motion, it is to avoid because of a kind of confession of fuel
Answer not enough or burning conveying equipment to break down and the situation of blowing out, realize continuity, the stability of burning coal power combustor
And reliability.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is burner schematic diagram.
In figure：Coal dust import 1, compressed air inlet 2, coal dust rifle regulation fixed block 3, igniter burner 4, Secondary Air cyclone leaf
Angle adjuster 5, burner body 6, fire trough 7, Imported gas 8 is seen and visits burner 9, a wind inlet 10, secondary air inlet
11, tertiary air import 12, coal dust rifle 13, bluff body pull bar 14, bluff body 1, bluff body 2 16, bluff body 3 17, gas spraying device of air
18, First air passage 19, secondary air channel 20, gas spraying tracheae 21, Secondary Air whirlwind sheet 22, natural gas stable flame cover 23, day
Right gas blowout stomata 24, First air cyclone leaf 25.
Embodiment
The present invention will be further described with example below in conjunction with the accompanying drawings.
Referring to accompanying drawing 1-2, intelligent natural gas disclosed by the invention, coal dust dual burner, including coal dust firing and day
Right gas burns two parts, by coal powder conveying system, gas conveying system, burner body, fire trough, gas spraying device of air
16 and ventilating duct etc. are constituted, and coal powder conveying system is connected by connecting flexible pipe with burner body 6, and gas conveying system is direct
It is connected by steel pipe with burner body 6, burner body 6 is connected with fire trough 7.
See in Fig. 1, the present embodiment, this intelligent natural gas, coal dust dual burner are main by burner body 6, combustion
Road 7 is burnt to constitute.Burner body 6 is used cooperatively with fire trough 7, coal powder conveying system, gas conveying system.Burner body
6 are arranged on fire trough 7 by bolt, and fire trough 7 is arranged on coal-powder boiler by bolt, burner body 6 and fire trough 7
In on same axis.Coal dust import 1 is respectively positioned on the front end of burner body 6 with Imported gas 8, and compressed air inlet 2 is located at
The front end of coal dust rifle 13.Wind inlet 10, secondary air inlet 11 is located at the lower section of burner body 6.The bottom of fire trough 7 is provided with three
Secondary wind inlet 12.The lower section of burner body 6 is additionally provided with sight and visits burner 9.
See Fig. 2, burner body 6 is tubular structure, by coal dust rifle 13, gas spraying device of air 18, a wind inlet 10,
Secondary air inlet 11, First air passage 19, secondary air channel 20, air quantity adjusting mechanism composition.Two ventilating duct 19,20 is arranged successively
Cloth is located in burner body 6, and wherein First air passage 19 is conical structure, and the rear end of First air passage 19 is equipped with First air
Cyclone leaf 25, First air passage 19 forms the inner cylinder of secondary air channel 20 in the burner body 6, secondary air channel 20 it is interior,
Outer barrel is conical structure, and the rear end of secondary air channel 20 is provided with multiple Secondary Air whirlwind sheets 22.The rear end of secondary air channel
Secondary Air cyclone leaf angle adjuster 5 is installed in the Secondary Air whirlwind sheet 22 of setting, the front end of Secondary Air whirlwind sheet 22, passes through rotation
Secondary Air cyclone leaf angle adjuster 5, to control the anglec of rotation of Secondary Air whirlwind sheet 22, Secondary Air cyclone leaf angle adjuster
5 adjustment angle is 0 ° -90 °.
The coal dust rifle 13 of burner body 6 is located at the center of burner body 6, and the front end of coal dust rifle 13 is provided with coal dust
Rifle adjusts fixed block 3, and the center of coal dust rifle 13 is bluff body pull bar 14, and the front end of bluff body pull bar 14 is provided with compressed air inlet 2.Coal
Twice adjustable mechanism is provided with powder rifle 13, one is the cyclone leaf for adjusting pulverized coal outlet and the rear end of First air passage 19
Distance coal dust gun main body before and after governor motion, two be the bluff body governor motion on coal dust rifle 13；Bluff body pull bar 14 is located at coal
The centre of powder rifle 13, bluff body pull bar 14 is tube manufacture, is compressed air channel, and the head of bluff body pull bar 14 sets compression empty
Gas import 2.
Governor motion adjusts fixed block 3 by coal dust rifle before and after coal dust gun main body and three clamping screws are constituted.
Bluff body governor motion is by being arranged on the first bluff body 15, the second bluff body 16, the 3rd bluff body 17 3 that coal dust is robbed on 13
Bluff body is constituted, wherein the second bluff body 16 and the 3rd bluff body 17 are adjusted before and after being carried out by screw thread, between adjustment and the first bluff body 15
Distance, to adapt to the emitted dose and spray angle of Coal rank.
The main body of gas spraying device of air 18 is tubular structure, and the pilot of coal dust rifle 13 constitutes gas spraying device of air 18
Inner cylinder.Gas spraying device of air 18 is located at the outside of pulverized coal gun 13, is arranged concentrically with pulverized coal gun 13.Gas spraying device of air
18 set the spray regime of two kinds of natural gases, and one is the fumarole 24 in the three row φ 8 of tail end setting of gas spraying device of air 18
108 altogether；Two are drawn in the form of gas spraying tracheae 21, and the end of gas spraying tracheae 21 installs stable flame cover 23 additional, naturally
Gas blowout tracheae 21 stretches out the cyclone leaf of the rear end of First air passage 19.Many 108 φ 8 of row of natural gas jet pipe 21 and 3 natural gas
Fumarole 2 constitutes the injection apparatus 18 of natural gas.
The operation principle of the present invention：
When independent combusting coal fines, coal dust enters coal burner main body 6, coal by coal powder conveying system coal dust import 1
Powder enters after coal burner main body 6, via the ejection of the uniformly continuous of coal dust rifle 13, and forms vortex in a short time.Due to
First air passage 19 is cone, and rear installs conical cyclone leaf 25 additional, and coning, rear adds the inner/outer tube of secondary air channel 20
Multi-disc Secondary Air whirlwind sheet 22 is filled, therefore good aerodynamic field is formd in primary and secondary air passage, makes coal dust and air suitable
When, uniform mixing, not only catch fire rapid, moreover it is possible to prevent slagging.First air of the present invention be weak rotation, Secondary Air rotation direction and by force
Degree is adjustable.By adjusting secondary air regulation mechanism, the swirl strength and air quantity of Secondary Air can be made to change.Simultaneously according to burning
Operating mode rotates secondary air duct whirlwind sheet adjusting rod, and the angle of Secondary Air whirlwind sheet 22 can be made to change from 0 ° to 90 °, accurate control
The rotation direction and swirl strength of Secondary Air.Coordinate regulation First air governor motion and secondary air regulation mechanism, make First air with it is secondary
Wind reaches optimal mixing point.The primary and secondary air of the invention has good regulation performance, can match somebody with somebody for the coal of different calorific values and help
Wind is fired, therefore is adapted to different coals.
When individually burning natural gas, natural gas enters gas spraying device of air 18 by Imported gas 8, then by two
Spray regime is planted to spray --- one is sprayed in the form of many gas spraying tracheaes 21, and the end of gas spraying tracheae 21 installs day additional
Right gas stable flame cover 23, natural gas stable flame cover 23 stretches out the cyclone leaf 25 of First air passage rear end；Two are filled by natural gas jet
Put 18 end set three row φ 8 amount to 108 gas spraying stomatas 24 spray.During such a operating mode, in order to avoid coal dust rifle
The bluff body of 13 afterbodys is damaged by hyperthermia radiation, and compressed air is passed through into compressed air inlet 2 is introduced into bluff body pull bar 14, is led to
The nozzle for crossing the afterbody of bluff body pull bar is sprayed with 60 ° of jet angles, forms the fast air film of a floor height, cooling protection is carried out to bluff body, with
Exempt from temperature too high and damage.
Either combusting coal fines still burn natural gas when, the angle of Secondary Air cyclone leaf 22 can be revolved by Secondary Air
Fan blade angle adjuster 5 carries out motorized adjustment, reaches the stove performance supporting with intelligent natural gas, coal dust dual burner
Optimal using effect.
The 35% of total air needed for First air of the present invention accounts for burning, the 65% of total air needed for Secondary Air accounts for burning.By
In with above-mentioned performance, either burning coal powder still fires natural gas, can effectively adjust exit flow angle of flare and recirculating zone
Size, make fuel at burner outlet evenly distributed, air distribution rationally, with ensure to catch fire in time, flameholding.The fire of the present invention
The existing axially injection space rate of flame, also has the tangential-velocity component of rotating-spray, and according to the difference of fuel, can also carry out
Flexible regulation.Any undisturbed switching can be carried out between two kinds of fuel, so as to reach that Industrial Stoves connect with Industrial Boiler
It is continuous, stably, the purpose of reliability service.
The bottom of burner road 7 connection tertiary air import 12, the burning waste gas of industrial furnace can be incorporated into herein, as
Tertiary air, is cooled down to fire trough 7, it is to avoid during single burning coal powder, and temperature is too high and produce the phenomenon of coking herein.Meanwhile, use
Flue gas sprays into fire trough as tertiary air, flame temperature can also be reduced, it is to avoid NOx generation, with the machinery of reasonably optimizing
Structure reaches the purpose of " nitre is controlled on source ".
Claims (3)
1. a kind of intelligent natural gas, coal dust dual burner, mainly include coal dust firing and combustion of natural gas two parts, including
Coal powder conveying system, gas conveying system, burner body, fire trough, coal powder conveying system is by connecting flexible pipe and burning
Device main body is connected, and gas conveying system is directly connected by steel pipe with burner body, and burner body is connected with fire trough,
It is characterized in that：Burner body also includes gas spraying device of air and ventilating duct；
A. described burner body is mainly made up of coal dust rifle, gas spraying device of air, ventilating duct, air quantity adjusting mechanism, institute
The coal dust rifle position stated is in being provided with twice adjustable mechanism on the center of coal burner main body, coal dust rifle, one is to be used for
Pulverized coal outlet and governor motion before and after the coal dust gun main body of the distance of the cyclone leaf of First air passage rear end are adjusted, two be coal dust
Bluff body governor motion on rifle；Bluff body pull bar positioned at coal dust rifle centre is tube manufacture, is compressed air channel, bluff body
Rod head sets compressed air inlet；Described bluff body governor motion by be arranged on coal dust rifle first, second, third 3
Individual bluff body composition, wherein the second bluff body is adjusted before and after being carried out with the 3rd bluff body by screw thread, adjust between the first bluff body away from
From to adapt to the emitted dose and spray angle of Coal rank；
B. described gas spraying device of air is located at the outside of coal dust rifle, is arranged concentrically with coal dust rifle；Wherein, the correcting of coal dust rifle
Cylinder constitutes the inner cylinder of gas spraying device of air, and the end of gas spraying device of air is provided with jet mechanism；Jet mechanism is by natural
Gas blowout tracheae and gas spraying stomata constitute and are located at the tail end of gas spraying device of air；Natural gas jet pipe is set to many, many
The end of root gas spraying tracheae adds stable flame cover, and many air jet pipes stretch out the cyclone leaf of First air passage rear end respectively；
C. three row's gas spraying stomatas are set in the tail end of gas spraying device of air；
D. described ventilating duct is set to two, is followed successively by First air passage, secondary air channel, and two ventilating ducts are arranged position successively
In in burner body, First air passage is located at coal burner center, and First air passage is conical structure, First air passage
Rear end be equipped with First air cyclone leaf；First air passage forms the inner cylinder of secondary air channel in coal burner main body, secondary
The inside and outside cylinder of wind passage is conical structure, and the rear end of secondary air channel is provided with the Secondary Air cyclone leaf of multiple adjustable angles；
Secondary Air cyclone leaf angle adjuster is installed in the front end of Secondary Air cyclone leaf, by rotating Secondary Air cyclone leaf angle adjuster,
To control the anglec of rotation of Secondary Air cyclone leaf, the adjustment angle of Secondary Air cyclone leaf angle adjuster is 0 ° -90 °.
2. intelligent natural gas according to claim 1, coal dust dual burner, it is characterised in that described coal dust rifle
Governor motion adjusts fixed block by coal dust rifle before and after main body and three clamping screws are constituted.
3. intelligent natural gas according to claim 1, coal dust dual burner, it is characterised in that in natural gas jet
The tail end of device sets 108 gas spraying stomatas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510561673.9A CN105042595B (en) | 2015-09-07 | 2015-09-07 | Intelligent natural gas, coal dust dual burner |
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|---|---|---|---|
| CN201510561673.9A CN105042595B (en) | 2015-09-07 | 2015-09-07 | Intelligent natural gas, coal dust dual burner |
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| CN105042595B true CN105042595B (en) | 2017-08-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109058978A (en) * | 2018-09-29 | 2018-12-21 | 青岛特利尔环保股份有限公司 | Double fuel boiler system |
| CN110296394A (en) * | 2019-07-19 | 2019-10-01 | 广州汇迪新能源科技有限公司 | A kind of dual burner of biological fuel gas and natural gas |
| CN115654740A (en) * | 2022-12-27 | 2023-01-31 | 江苏羚羊建材科技有限公司 | Hot blast stove equipment suitable for various fuels |
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|---|---|---|---|---|
| US4538530A (en) * | 1979-12-31 | 1985-09-03 | Whitman John E | Burner for the suspension firing of comminuted material |
| US4614159A (en) * | 1983-10-19 | 1986-09-30 | Daido Tokushuko Kabushiki Kaisha | Powdered coal burner |
| CN2534472Y (en) * | 2002-04-12 | 2003-02-05 | 姜政华 | Fine coal powder and natural gas two purpose burner |
| CN2556493Y (en) * | 2002-06-18 | 2003-06-18 | 马鞍山钢铁股份有限公司 | Adjustable pulverized-coal spray gun |
| CN102269405A (en) * | 2011-08-10 | 2011-12-07 | 大连经济技术开发区水国燃烧器有限公司 | Single-volute cyclone burner |
| CN202546753U (en) * | 2012-02-27 | 2012-11-21 | 中国计量学院 | Controllable vortex flame diffusion cone |
| CN205014368U (en) * | 2015-09-07 | 2016-02-03 | 唐山金沙燃烧热能科技有限公司 | Intelligent natural gas, dual -purpose combustor of buggy |
-
2015
- 2015-09-07 CN CN201510561673.9A patent/CN105042595B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4538530A (en) * | 1979-12-31 | 1985-09-03 | Whitman John E | Burner for the suspension firing of comminuted material |
| US4614159A (en) * | 1983-10-19 | 1986-09-30 | Daido Tokushuko Kabushiki Kaisha | Powdered coal burner |
| CN2534472Y (en) * | 2002-04-12 | 2003-02-05 | 姜政华 | Fine coal powder and natural gas two purpose burner |
| CN2556493Y (en) * | 2002-06-18 | 2003-06-18 | 马鞍山钢铁股份有限公司 | Adjustable pulverized-coal spray gun |
| CN102269405A (en) * | 2011-08-10 | 2011-12-07 | 大连经济技术开发区水国燃烧器有限公司 | Single-volute cyclone burner |
| CN202546753U (en) * | 2012-02-27 | 2012-11-21 | 中国计量学院 | Controllable vortex flame diffusion cone |
| CN205014368U (en) * | 2015-09-07 | 2016-02-03 | 唐山金沙燃烧热能科技有限公司 | Intelligent natural gas, dual -purpose combustor of buggy |
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|---|---|
| CN105042595A (en) | 2015-11-11 |
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