CN106813264A - A kind of burner with high efficiency - Google Patents
A kind of burner with high efficiency Download PDFInfo
- Publication number
- CN106813264A CN106813264A CN201710212860.5A CN201710212860A CN106813264A CN 106813264 A CN106813264 A CN 106813264A CN 201710212860 A CN201710212860 A CN 201710212860A CN 106813264 A CN106813264 A CN 106813264A
- Authority
- CN
- China
- Prior art keywords
- burner
- combustion
- fan blade
- high efficiency
- supporting fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 51
- 238000009413 insulation Methods 0.000 claims description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 235000009781 Myrtillocactus geometrizans Nutrition 0.000 abstract description 2
- 240000009125 Myrtillocactus geometrizans Species 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 14
- 239000007789 gas Substances 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000012364 Peperomia pellucida Nutrition 0.000 description 1
- 240000007711 Peperomia pellucida Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
- F23R3/44—Combustion chambers comprising a single tubular flame tube within a tubular casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/10—Air inlet arrangements for primary air
- F23R3/12—Air inlet arrangements for primary air inducing a vortex
- F23R3/14—Air inlet arrangements for primary air inducing a vortex by using swirl vanes
Abstract
A kind of burner with high efficiency, including burner and combustion-supporting fan blade, the axle center of the burner correspondence combustion-supporting fan blade are set.The flame profile that the present invention is produced is the short of uniqueness, umbrella, blue flame, ensure that temperature consistency of the heating object in different zones.This depends on effect caused by the ring installing meter of nozzle and the active swirling action of combustion-supporting air blade.
Description
Technical field
The present invention relates to a kind of burner with high efficiency, the fuel combustion for being mainly used in combustion type Stirling engine produces height
Warm field heating Stirling engine heating head, so that band piston generates electricity.
Background technology
Burner is also combustor, and oil burner, coal-fired combusting device and gas burner can be divided into according to fuel；According to
It is divided into kiln burner and boiler-burner using object；Can be divided into industrial burner, civilian burner according to application field
And special kind firing device.Wherein oil burner is divided into light oil（Such as diesel oil）And heavy oil burner, gas burner is divided into natural gas
Burner, gas burner, town gas burner, biogas burner etc..We refer to pot by usually described burner
Burner.
Industrial burner system architecture generally comprises supply air system, ignition system, monitoring system, fuel system, automatically controlled system
System.The function of supply air system is that, to the air that certain wind speed and air quantity are sent into combustion chamber, its critical piece has：Housing, wind
Machine motor, draught fan impeller, air pressure gun fire tube, air damper controller, air door plate washer, cam wheel adjustment mechanism, diffusion disc.The work(of ignition system
Can be the mixture for lighting air and fuel, its critical piece has：Ignition transformer, ignitor, electricity fire high-tension cable.Fire
Flame length, cone angle, shape can be designed by user's requirement.The function of monitoring system is the operation for ensureing that burner is safe and stable,
Its critical piece has flame monitor, pressure monitor, temperature monitoring etc..The function of fuel system is to ensure burner combustion
Fuel needed for burning.The fuel system of oil burner mainly has：Oil pipe and joint, oil pump, magnetic valve, nozzle, heavy oil preheating
Device.Gas burner mainly have filter, pressure regulator, solenoid valve block, igniter solenoid valve group so, fuel butterfly valve.Electric-control system is
The command centre and liaison centre of each system of the above, major control element is program controller, for different burners equipped with difference
Program controller.
Burner mainly application and the field, most of flame-shaped such as stove heating, heat treatment industry, heat supply on the market at present
Shape is column.Traditional burner is not strict with to heating object temperature uniformity, while to flame profile without spy
It is different to require.But for the equipment that the heat for utilizing different sources of the gas or oil firing to produce generates electricity, efficiency and temperature field have compared with
High request, is that existing ordinary burner is unappeasable, it is therefore necessary to design a kind of burner with high efficiency.
The content of the invention
It is an object of the invention to provide a kind of burner with high efficiency.
To achieve the above object, the technical scheme of present invention offer is：A kind of burner with high efficiency, including burner and combustion air
Impeller, the axle center of the burner correspondence combustion-supporting fan blade is set.
Preferred technical scheme is：Also include being covered in an insulation, the combustion air wheel rotation is supported in the insulation
Cover, the combustion-supporting fan blade and a device of rotation driving drive connection, the rotation of the burner correspondence combustion-supporting fan blade
Axle center is set.
Preferred technical scheme is：Covered in the insulation towards the burner and be provided with ignitor and flame detector.
Preferred technical scheme is：The tungsten bar of the ignitor is from combustion-supporting 3 ~ 5mm of fan blade.
Preferred technical scheme is：The combustion-supporting fan blade obtains air channel including several involute in form.
Preferred technical scheme is：In the insulation cover lower section be provided with a cylinder, the cylinder be provided with combustion air entrance and
Exhaust opening, is provided with dividing plate between the combustion air entrance and exhaust opening, recuperator is provided with the cylinder；The cocurrent flow is changed
Hot utensil has the cavity and for allowing high-temperature flue gas circulation to allow the cavity that combustion air circulates, and the high-temperature flue gas circulate
Cavity and combustion air circulation cavity independence, the cavity of combustion air circulation connects with combustion air entrance, the height
The cavity of warm flue gas circulation is connected with exhaust opening.
Preferred technical scheme is：The recuperator is made up of inner bag and outer courage, and the recuperator is provided with many
Individual heat exchange fin.
Because above-mentioned technical proposal is used, the present invention this have the advantage that compared with prior art：
1st, the flame profile that the present invention is produced is the short of uniqueness, umbrella, blue flame, ensure that heating object in different zones
Temperature consistency.This depends on effect caused by the ring installing meter of nozzle and the active swirling action of combustion-supporting air blade.
2nd, it is suitable for the application of pluralities of fuel, simply burner is slightly changed can.
3rd, small volume, power density are big, and heat higher is obtained in less combustion field；Save space, area of dissipation
Small, whole system efficiency is high with respect to other burners.
4th, recuperator heat transfer effect is high, is obtained in that the combustion air of higher temperature, so as to produce thermal-flame.Simultaneously
Temperature with high efficiency is carried out to smoke evacuation, low-temperature smoke extraction effect is obtained, contributes to system discharge index to improve.
Brief description of the drawings
Fig. 1 shows the present invention and engine components assembled state schematic diagram.
Fig. 2 shows combustion-supporting fan blade schematic cross-sectional view.
Fig. 3 shows combustion-supporting fan blade schematic diagram.
Fig. 4 shows combustion-supporting fan blade schematic perspective view.
Fig. 5 shows recuperator schematic diagram.
Fig. 6 shows that heat exchange fin constitutes heat exchanger channels schematic diagram.
In the figures above, 1, burner；2nd, combustion-supporting fan blade；3rd, flame detector；4th, covered in insulation；5th, recuperator；
6th, exhaust opening；7th, combustion air entrance；8th, connecting bottom board；9th, ignitor.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages of the invention and effect easily.
The concrete structure of the burner with high efficiency of the embodiment of the present invention is described below in conjunction with Fig. 1 to Fig. 5.Specifically, one
Burner with high efficiency, including burner 1 and combustion-supporting fan blade 2 are planted, the axle center of the burner correspondence combustion-supporting fan blade is set.
It is preferred embodiment：Also include the upper lid 4 of an insulation, the combustion air wheel rotation is supported in the insulation
Cover, the combustion-supporting fan blade and a device of rotation driving drive connection, the rotation of the burner correspondence combustion-supporting fan blade
Axle center is set.
It is preferred embodiment：Covered in the insulation towards the burner and be provided with ignitor 9 and flame detector 3.
It is preferred embodiment：The tungsten bar of the ignitor is from combustion-supporting 3 ~ 5mm of fan blade.
It is preferred embodiment：The combustion-supporting fan blade obtains air channel including several involute in form.
It is preferred embodiment：The lower section covered in the insulation is provided with a cylinder, and the cylinder is provided with the He of combustion air entrance 7
Exhaust opening 6, is provided with dividing plate between the combustion air entrance and exhaust opening, recuperator 5 is provided with the cylinder；The cocurrent flow
Heat exchanger has a cavity for allowing high-temperature flue gas circulation and one allows the cavity of combustion air circulation, and the high-temperature flue gas stream
Logical cavity and the cavity independence of combustion air circulation, the cavity of the combustion air circulation are connected with combustion air entrance, described
The cavity of high-temperature flue gas circulation is connected with exhaust opening.
It is preferred embodiment：The recuperator is made up of inner bag and outer courage, and the recuperator is provided with many
Individual heat exchange fin.
The high-temperature flue gas that the purpose of the system design is efficiently produced using burning are carried out by recuperator to combustion air
Preheating obtains high temperature combustion air, high temperature combustion air is uniformly mixed with combustion gas or fuel oil by combustion-supporting fan blade, obtains
Hemispherical section of flame, uniform heating dome shape engine heating tube, reaches efficiency power generation purpose.
1st, burner；2nd, combustion-supporting fan blade；3rd, flame detector；4th, covered in insulation；5th, recuperator；6th, exhaust opening；7、
Combustion air entrance；8th, connecting bottom board；9th, ignitor.
Isolated on the inside of welding with dividing plate between combustion air entrance 7 and exhaust opening 6 and load the formation flue gas of recuperator 5 and help
The cavity of combustion cross-ventilation heat exchange.After combustion air entrance is connected with connecting bottom board 8, then the engine cylinder-body configured with whole system
End face is connected, and engine heat absorbing heat exchanger is installed in the cavity of recuperator inner side, and the heat absorbing heat exchanger is presented hemisphere planar heat
Amount receiving surface, it is desirable to uniformly obtain heat.Recuperator top is installed by the upper lid 4 of insulation.In insulation ignitor is fixed on lid 4
9 and flame detector 3.The installation site covered in insulation is symmetric configuration.One is that another is in order to electric fire is to spark
Whether electricity fire successfully feeds back signal to engine control system, plays security monitoring effect.Installed down in the middle of being covered in insulation and burnt
Mouth 1.Welding upper combustion-supporting fan blade 2 in inner side is covered in the inner side insulation of burner 1.Combustion-supporting fan blade 2 and burner 1 are circular designs,
Require that axiality is high during assembling, combustion-supporting impeller 2 is welded to when being incubated upper 4 inner side of lid and requires continuously to weld, it is impossible to have gap.
Ignitor 9 is installed to when being covered in insulation, it is desirable to which the tungsten bar of ignitor 9 is from 3 ~ 5mm of combustion-supporting air blade mouthful.So ensure that electric fire has
Effect, success rate is high.The inswept whole flame regions of installation requirement of the tungsten bar of flame detector 3, it is desirable to which internal flame, middle flame, flame envelope are all
Can be inswept, whether successfully so design is to judge flame combustion most effective method.Being designed such that for combustion-supporting fan blade 2 adds
Hot blast after heat passes through uniformly to form vortex during combustion-supporting fan blade 2, and the combustion gas or fuel oil that burner 1 is injected into are broken up,
Uniformly mix with combustion air, lighting fuel by the electrode discharge of ignitor 9 forms the blue short fire that uniform temperature fields are distributed
Flame.Combustion-supporting fan blade 1 obtains air channel and constitutes by several involute in form, by casting or machining circular discoid bottom surface
It is upper to design and process several spiral vortex type air channels, the vortex hot blast the purpose is to obtain uniform stirring.Detailed form see accompanying drawing 2 ~
4。
In order to obtain thermal-flame temperature field, it is necessary to combustion air is preheated, preheating temperature is higher, combustion flame temperature
Higher, engine thermal efficiency is considerably improved.To one recuperator 5 of this independent design.Recuperator by inner bag and
Outer courage and the first heat exchange fin and the weldering of the second heat exchange fin group are formed.
First heat exchange fin first and the second heat exchange fin are a pair stamping forming fins.Upper bottom left is obtained by punching press
The passage of right ventilation.Man-to-man group is carried out to the first heat exchange fin and the second heat exchange fin first to weld to form a small group part.It is left
Take the continuous welding of rolling or contact weld in right both sides.It is No leakage wind between ensureing inside both sides, either under normal temperature also
It is that should not also ftracture under the conditions of hot operation.Formed a pair of of one group exchange backings according to the form of accompanying drawing 6 be assembled into inner bag and
Between outer courage, continuous No leakage welding is carried out using all contact positions.It is upper and lower to one group of heat exchange fin and another group of heat exchange fin
Closing is welded in the form of high temperature brazing in contact position, forms exhaust gases passes and combustion air passage is independently opened, by heat exchanger fin
Body separates.Specific air channel wind direction and high-temperature flue gas air draft are to being shown in accompanying drawing 3.
The method of operation of the system is as follows：
The burner gas port and combustion air entrance are separate designs.The flange that burner top is installed is connection fuel gas pipeline
Interface.Design different according to different gas families flange port size diameters, burner hole size will also be adjusted.Fuel is from burning
Nozzle aperture certain pressure value is ejected into combustion chamber.Now, in the presence of outside combustion fan, the cool air of burning is participated in
Enter the combustion air entrance 7 of recuperator 5 under the conditions of certain pressure.Combustion-supporting fan blade 2 is entered into by heat exchange fin to be formed
Eddy flow, by fuel rotation mixed combustion.Now ignitor provides pulsed electricity sparking signal, the ignited fuel combustion that will be mixed
Burn.Gaseous-pressure and air pressure, gas flow and air mass flow are adjusted obtaining most by external air-fuel ratio system
Good fired state.Can be adapted to automatically adjust, also be adapted for regulation manually.High-temperature flue gas after burning have heated engine endothermic tube
Afterwards, remaining flue gas produces heat convection by the heat exchange fin of recuperator 5 with combustion air, on the one hand by heat transfer
The combustion air for persistently entering combustion chamber is given, exhaust gas temperature is on the other hand reduced, whole system efficiency is improve.In order to need
The combustion field of higher temperature is obtained, combustion-supporting air temperature is higher, and the combustion flame temperature of acquisition is higher.Inhaled by recuperator
Combustion-supporting air temperature after heat is attained by 600 ~ 700 DEG C.And high-temperature flue gas discharge a part of heat heel row by recuperator
Temperature at mouth 6 is reduced to 200 DEG C once, the problems such as greatly improving conventional burners high fume temperature, discharge not up to standard.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (7)
1. a kind of burner with high efficiency, it is characterised in that：Including burner and combustion-supporting fan blade, the burner correspondence combustion-supporting fan blade
Axle center is set.
2. burner with high efficiency according to claim 1, it is characterised in that：Also include being covered in an insulation, the combustion-supporting fan blade
Wheel rotation is supported in the insulation on lid, the combustion-supporting fan blade and a device of rotation driving drive connection, the burner pair
The axis of rotation of the combustion-supporting fan blade is answered to set.
3. burner with high efficiency according to claim 1, it is characterised in that：Covered in the insulation towards the burner and be provided with electricity
Thermoelectricity pole and flame detector.
4. burner with high efficiency according to claim 3, it is characterised in that：The tungsten bar of the ignitor is from combustion-supporting fan blade
3~5mm。
5. burner with high efficiency according to claim 1, it is characterised in that：The combustion-supporting fan blade includes several involutes
Form obtains air channel.
6. burner with high efficiency according to claim 1, it is characterised in that：The lower section covered in the insulation is provided with a cylinder,
The cylinder is provided with combustion air entrance and exhaust opening, and dividing plate is provided between the combustion air entrance and exhaust opening, is set in the cylinder
There is recuperator；There is the recuperator cavity for allowing high-temperature flue gas circulation and to allow combustion air circulation
Cavity, and high-temperature flue gas circulation cavity and the cavity independence of combustion air circulation, the cavity of combustion air circulation
Connected with combustion air entrance, the cavity of the high-temperature flue gas circulation is connected with exhaust opening.
7. burner with high efficiency according to claim 1, it is characterised in that：The recuperator is by inner bag and outer courage structure
Into the recuperator is provided with multiple heat exchange fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212860.5A CN106813264A (en) | 2017-04-01 | 2017-04-01 | A kind of burner with high efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212860.5A CN106813264A (en) | 2017-04-01 | 2017-04-01 | A kind of burner with high efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106813264A true CN106813264A (en) | 2017-06-09 |
Family
ID=59116633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710212860.5A Pending CN106813264A (en) | 2017-04-01 | 2017-04-01 | A kind of burner with high efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106813264A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007125777A (en) * | 2004-12-08 | 2009-01-20 | Вольво Аэро Корпорейшн (Se) | RUNNING WHEEL OF A ROTARY FLOWING MACHINE |
| US8006500B1 (en) * | 2008-01-29 | 2011-08-30 | Florida Turbine Technologies, Inc. | Swirl combustor with counter swirl fuel slinger |
| CN102725229A (en) * | 2010-01-18 | 2012-10-10 | 赢创德固赛有限公司 | Flow tube reactor for converting silicon tetrachloride to trichlorosilane |
| CN102878554A (en) * | 2012-10-12 | 2013-01-16 | 浙江大学 | Combustor special for coal water slurry combustion type cracking furnace |
| CN102913903A (en) * | 2012-11-08 | 2013-02-06 | 北京科技大学 | High-concentration pulverized coal burner |
| CN202902273U (en) * | 2012-11-08 | 2013-04-24 | 北京科技大学 | High-condensation pulverized coal burner |
| CN104235849A (en) * | 2014-10-09 | 2014-12-24 | 中冶南方(武汉)威仕工业炉有限公司 | Grading oxygen-enriched flameless combustion gas burner and control method thereof |
| CN204213928U (en) * | 2014-10-28 | 2015-03-18 | 江苏凤谷节能科技有限公司 | A kind of helical structure self-preheating type burner |
| CN207162600U (en) * | 2017-04-01 | 2018-03-30 | 东方宏海新能源科技发展有限公司 | A kind of burner with high efficiency |
-
2017
- 2017-04-01 CN CN201710212860.5A patent/CN106813264A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007125777A (en) * | 2004-12-08 | 2009-01-20 | Вольво Аэро Корпорейшн (Se) | RUNNING WHEEL OF A ROTARY FLOWING MACHINE |
| US8006500B1 (en) * | 2008-01-29 | 2011-08-30 | Florida Turbine Technologies, Inc. | Swirl combustor with counter swirl fuel slinger |
| CN102725229A (en) * | 2010-01-18 | 2012-10-10 | 赢创德固赛有限公司 | Flow tube reactor for converting silicon tetrachloride to trichlorosilane |
| CN102878554A (en) * | 2012-10-12 | 2013-01-16 | 浙江大学 | Combustor special for coal water slurry combustion type cracking furnace |
| CN102913903A (en) * | 2012-11-08 | 2013-02-06 | 北京科技大学 | High-concentration pulverized coal burner |
| CN202902273U (en) * | 2012-11-08 | 2013-04-24 | 北京科技大学 | High-condensation pulverized coal burner |
| CN104235849A (en) * | 2014-10-09 | 2014-12-24 | 中冶南方(武汉)威仕工业炉有限公司 | Grading oxygen-enriched flameless combustion gas burner and control method thereof |
| CN204213928U (en) * | 2014-10-28 | 2015-03-18 | 江苏凤谷节能科技有限公司 | A kind of helical structure self-preheating type burner |
| CN207162600U (en) * | 2017-04-01 | 2018-03-30 | 东方宏海新能源科技发展有限公司 | A kind of burner with high efficiency |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |