CN206033686U - Powder coal gasification makes up nozzle - Google Patents
Powder coal gasification makes up nozzle Download PDFInfo
- Publication number
- CN206033686U CN206033686U CN201620916160.5U CN201620916160U CN206033686U CN 206033686 U CN206033686 U CN 206033686U CN 201620916160 U CN201620916160 U CN 201620916160U CN 206033686 U CN206033686 U CN 206033686U
- Authority
- CN
- China
- Prior art keywords
- oxidant
- sleeve pipe
- coal dust
- coal
- outlet
- 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.)
- Active
Links
Abstract
The utility model provides a powder coal gasification makes up nozzle, include: the center tube, the intake side of center tube is provided with ignition gas entry, and the outside of center tube is overlapped in proper order and is equipped with light a fire empty air jacket pipe, a cooling jacket pipe, oxidant sleeve pipe, the 2nd cooling jacket pipe, buggy sleeve pipe, the 3rd cooling jacket pipe, the export that the empty air jacket that ignites managed is outwards extended for the export of center tube to prescribe a limit to first confounding in advance, be used for mixing ignition gas and ignition air, the export of buggy sheathed tube is outside for the export of oxidant sheathed tube extends to inject second confounding in advance, be used for mixed oxidization agent and buggy, the one end aperture that the oxidant sleeve pipe is close to the export diminishes gradually, and the inner wall in oxidant sheathed tube exit is provided with the spinning disk along circumference. The utility model discloses a powder coal gasification makes up nozzle has realized that the even gas -solid of oxidant and buggy mixes to make the pulverized coal combustion among the coal powder gasifier stable, efficiency of carbon con version is high.
Description
Technical field
This utility model is related to bed pulverized coal gasification technology, more particularly to a kind of coal gasification assembled nozzle.
Background technology
With Energy situation increasingly serious and environmental problem it is outstanding day by day, cleanly and efficiently using China's rich reserves
Coal resources become the important topic of current energy field.Coal gasification is the important means of Coal Clean efficient utilization, Gao Pin
The coal gas of matter can be used as industrial clean gas or generate the downstream product of high added value for Coal Chemical Industry.
Dry coal powder gasification technology is one of existing main Coal Gasification Technology, and dry coal powder gasification technology is using high-pressure gasified
(pressure >=4.0MPa), and it is high-pressure gasified there is a problem of equipment investment cost it is high with waste compression power consumption, therefore be directed to fuel
Gas user and middle-size and small-size Coal Chemical Engineering Project, normal low-pressure air current bed gasification furnace have obvious advantage.Burner is normal low pressure gas fluidized bed
The nucleus equipment of gasification furnace, its continuous high-efficient stable operation are the key factors for ensureing gasification furnace economy.And traditional fine coal
Gasification burner tip has that insufficient gas-solid mixing, combustion instability, efficiency of carbon con version are low.
Utility model content
This utility model provides a kind of coal gasification assembled nozzle, to overcome what coal gasification burner in prior art was present
Gas-solid mixing is insufficient, the problem that combustion instability, efficiency of carbon con version are low.
This utility model provides a kind of coal gasification assembled nozzle, including：
Central canal, the inlet side of the central canal are provided with igniting fuel gas inlet；
The outside of the central canal be arranged with successively igniting casing air, the first cooling water pipe, oxidant sleeve pipe, second
Cooling water pipe, coal dust sleeve pipe, the 3rd cooling water pipe；
The outlet of the igniting casing air stretches out relative to the outlet of the central canal, to limit the first premix
Area, for mixed firing combustion gas and igniting air；The outlet of the coal dust sleeve pipe relative to the oxidant sleeve pipe outlet to
Outer extension, to limit the second pre-mix zone, for hybrid oxidant and coal dust；
The oxidant sleeve pipe is tapered near one end aperture of outlet, and the exit of the oxidant sleeve pipe is interior
Wall is circumferentially arranged the first spinning disk.
Coal gasification assembled nozzle as above, is provided with least one coal dust solenoid, institute in the coal dust sleeve pipe
State coal dust solenoid and one end of outlet is provided with multiple pod apertures.
Described coal gasification assembled nozzle, the plurality of pod apertures are solenoidal axially arranged along the coal dust, and institute
State multiple pod apertures to arrange around the coal dust solenoid.
Coal gasification assembled nozzle as above, the runner line style of the oxidant sleeve pipe is Wei Duoxinsi base curves.
Coal gasification assembled nozzle as above, the igniting casing air gradually become near one end aperture of outlet
Little, the inwall in the exit of the igniting casing air is circumferentially arranged the second spinning disk.
Coal gasification assembled nozzle as above, is provided with high-energy igniter in the central canal, the central canal
Exit arranges Flow restrictions.
Coal gasification assembled nozzle as above, the current-limiting apparatus are frustum structure, the first of the current-limiting apparatus
End face is provided with centre bore, and the centre bore is used for supporting the high-energy igniter, and the half of the first end face of the current-limiting apparatus
Radius of the footpath less than the second end face of the current-limiting apparatus.
Coal gasification assembled nozzle as above, the current-limiting apparatus are provided with extension on the side wall of second end face
Ear, the hangers are welded to connect with the central canal.
Coal gasification assembled nozzle as above, the coal dust sleeve pipe are provided with protective gas on the side wall of entrance
Entrance.
The coal gasification assembled nozzle of the present embodiment, including central canal, the inlet side of central canal is provided with igniting combustion gas and enters
Mouthful, the outside of central canal is arranged with igniting casing air, the first cooling water pipe, oxidant sleeve pipe, the second cooling jacket successively
Pipe, coal dust sleeve pipe, the 3rd cooling water pipe, the outlet of casing air of lighting a fire stretch out relative to the outlet of central canal, to limit
The first pre-mix zone is made, the outlet of coal dust sleeve pipe stretches out relative to the outlet of oxidant sleeve pipe, to limit the second premix
Area, oxidant sleeve pipe are tapered near one end aperture of outlet, and the inwall in the exit of oxidant sleeve pipe is circumferentially arranged
There is spinning disk, realize the uniform gas-solid mixing of oxidant and coal dust, so that coal dust firing is stable in pulverized coal gasification furnace, carbon turns
Rate is high.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative labor
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Generalized sections of the Fig. 1 for the coal gasification assembled nozzle of this utility model embodiment；
Current-limiting apparatus structural representations of the Fig. 2 for the central canal of the coal gasification assembled nozzle of this utility model embodiment；
Coal dust solenoid schematic diagrams of the Fig. 3 for the coal gasification assembled nozzle of this utility model embodiment.
Specific embodiment
It is for making purpose, technical scheme and the advantage of this utility model embodiment clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the enforcement in this utility model
Example, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art are belonged to
The scope of this utility model protection.
Generalized sections of the Fig. 1 for the coal gasification assembled nozzle of this utility model embodiment, Fig. 2 are this utility model reality
Apply the current-limiting apparatus structural representation of the central canal of the coal gasification assembled nozzle of example, powder of the Fig. 3 for this utility model embodiment
The coal dust solenoid schematic diagram of coal gasification assembled nozzle.Referring to Fig. 1～Fig. 3, the coal gasification of this utility model embodiment is combined
Burner, can include：
Central canal 101, the inlet side of central canal 101 are provided with igniting fuel gas inlet 102；
The outside of central canal 101 is arranged with igniting casing air 103, the first cooling water pipe 104, oxidant sleeve pipe successively
105th, the second cooling water pipe 106, coal dust sleeve pipe 107, the 3rd cooling water pipe 108；
The outlet of igniting casing air 103 stretches out relative to the outlet of central canal 101, to limit the first pre-mix zone
109, for mixed firing combustion gas and igniting air；The outlet of coal dust sleeve pipe 107 is outside relative to the outlet of oxidant sleeve pipe 105
Extend, to limit the second pre-mix zone 110, for hybrid oxidant and coal dust；
Oxidant sleeve pipe 105 is tapered near one end aperture of outlet, and the inwall edge in the exit of oxidant sleeve pipe
It is circumferentially provided with the first spinning disk 111.
The coal gasification assembled nozzle of the present embodiment, mainly includes the first pre-mix zone and the second pre-mix zone.In specific work
During work, pass first into igniting air and enter the first pre-mix zone, then starting ignition device be passed through igniting combustion gas, igniting combustion
Gas enters gasification furnace in the first pre-mix zone ignition after producing flame, flame closes igniting after tending towards stability in gasification furnace
Device；Oxidant and coal dust is then passed to, both enter gasification furnace after mixing in the second pre-mix zone, by gasification furnace flame point
Coal gasification process is opened in combustion, stops being passed through igniting air and igniter fuel gas after coal dust firing is stable, and gasification furnace enters normal
Running status.
Detailed embodiment is adopted below, illustrates the mixing of mixed process in the first pre-mix zone and the second pre-mix zone
Process.
Central canal 101 in the present embodiment limits igniting with the igniting casing air 103 being set in outside central canal 101
Air duct, it is empty that igniting air intlet 112 of the air from igniting casing air 103 on the side wall of entrance of lighting a fire enters igniting
Gas passage, enters the first pre-mix zone 109 after flowing through igniting air duct；Passage of the central canal 101 for igniting combustion gas, combustion gas of lighting a fire
Enter from the igniting fuel gas inlet 102 of 101 inlet side of central canal, flow through central canal 101, and enter from the outlet of central canal 101
In first pre-mix zone 109；Igniting combustion gas and igniting air mix in the first pre-mix zone 109, enter gasification furnace after producing flame.
Alternatively, the igniting combustion gas in the present embodiment can be for oil liquefied gas, natural gas, periodic off-gases or other are alternative
Oxidant in fuel gas, this enforcement can be oxygen or oxygen-enriched.
Oxidant sleeve pipe 105 and the first cooling water pipe 104 limit oxidant channel, and oxidant is from oxidant sleeve pipe
105 oxidant inlets 115 on the side wall of entrance are entered, and flow through oxidant channel into the second pre-mix zone 110；Coal dust set
Pipe 107 and the second cooling water pipe 106 limit coal dust channel, and coal dust enters coal dust sleeve pipe 107, enters after flowing through coal dust channel
Second pre-mix zone 110, oxidant and coal dust mix in the second pre-mix zone 110, subsequently into gasification furnace.Due to oxidant sleeve pipe
105 taper near one end apertures of outlet, and the inwall in the exit of oxidant sleeve pipe circumferentially arranged has the first eddy flow
Piece 111 so that oxidant is flowed through and accelerates expansion eddy flow, carries the coal dust on the outside of which and spins fortune
It is dynamic, the uniform mixing of oxidant and coal dust is realized, so that coal dust flameholding in gasification furnace, improves efficiency of carbon con version.
Further, as coal dust gasification assembled nozzle can produce substantial amounts of heat in the course of the work, therefore, coal dust gas
Changing assembled nozzle also includes cooling system.Below the cooling system is illustrated.
First cooling water pipe 104 and igniting casing air 103 limit the first cooling-water duct, and cooling water is cold from first
But the first cooling water inlet 117 of aquaporin porch is entered, and is back to the first cooling jacket after flowing through the first cooling-water duct
In pipe 104, finally flow out from the first cooling water pipe 104 near the first coolant outlet 118 on the side wall of outlet.
Second cooling water pipe 106 and oxidant sleeve pipe 105 limit the second cooling-water duct, and cooling water is from the second cooling
Second cooling water inlet 119 of aquaporin entrance side is entered, and is back to the second cooling water pipe after flowing through the second cooling-water duct
In 106, finally flow out from the second cooling water pipe 106 near the second coolant outlet 120 on the side wall of outlet.
3rd cooling water pipe 108 and coal dust sleeve pipe 107 limit the 3rd cooling-water duct, and cooling water is from the 3rd cooling water
3rd cooling water inlet 121 of feeder connection side is entered, and is back to the 3rd cooling water pipe 108 after flowing through the 3rd cooling-water duct
In, finally flow out from the 3rd cooling water pipe 108 near the 3rd coolant outlet 122 on the side wall of outlet.
Above-mentioned cooling system can reduce the temperature in the coal dust gasification assembled nozzle course of work, improve coal dust gasification combination
The service life of burner.
The coal gasification assembled nozzle of the present embodiment, including central canal, the inlet side of central canal is provided with igniting combustion gas and enters
Mouthful, the outside of central canal is arranged with igniting casing air, the first cooling water pipe, oxidant sleeve pipe, the second cooling jacket successively
Pipe, coal dust sleeve pipe, the 3rd cooling water pipe, the outlet of casing air of lighting a fire stretch out relative to the outlet of central canal, to limit
The first pre-mix zone is made, the outlet of coal dust sleeve pipe stretches out relative to the outlet of oxidant sleeve pipe, to limit the second premix
Area, oxidant sleeve pipe are tapered near one end aperture of outlet, and the inwall in the exit of oxidant sleeve pipe is circumferentially arranged
There is spinning disk, realize the uniform gas-solid mixing of oxidant and coal dust, so that the coal dust firing in pulverized coal gasification furnace is stable, carbon
High conversion rate.
Phenomenon burn partially in order to avoid coal dust is produced in gasification furnace, on the basis of above-described embodiment, coal dust gasification combination
At least one coal dust solenoid 123 is provided with the coal dust sleeve pipe of burner, and coal dust solenoid 123 is provided near one end of outlet
Multiple pod apertures 124；Multiple pod apertures 124 are axially arranged along coal dust solenoid 123, and multiple pod apertures 124 are around coal dust
Solenoid 123 is arranged.
Specifically, the quantity of coal dust solenoid 123 is determined according to seam number, can be one, or many.Seam
Number refers to the number from coal dust storage warehouse pulverized coal conveying to the pipeline of coal dust gasification assembled nozzle, and above-mentioned pipeline enters coal dust gasification
Assembled nozzle rear screw bends, in the present embodiment referred to as coal dust solenoid.
Coal dust enters coal dust sleeve pipe 107 and second from coal dust storage warehouse pulverized coal conveying to the pipeline of coal dust gasification assembled nozzle
After the coal dust channel that cooling water pipe 106 is limited, make helical flow in coal dust solenoid 123, then Jing is circumferentially positioned at
Pod apertures 124 on coal dust solenoid 123 flow out, as pod apertures 124 are circumferentially positioned on coal dust solenoid 123, therefore,
Coal dust is evenly distributed in coal dust channel Jing after the outflow of pod apertures 124, it is to avoid the inclined burning phenomenon occurred in follow-up gasification furnace.
Coal dust gasification assembled nozzle in the present embodiment realizes coal dust by arranging the coal dust solenoid with pod apertures
It is evenly distributed in coal dust channel, it is to avoid the inclined burning phenomenon occurred in follow-up gasification furnace.
Further, in order to prevent the coal gas produced in gasification furnace from blowing back in coal dust gasification assembled nozzle, in above-mentioned reality
On the basis of applying example, coal dust sleeve pipe 107 is provided with gas atmosphere inlet 125 on the side wall of entrance.
Specifically, when coal dust gasification assembled nozzle works, protective gas enters coal dust channel from gas atmosphere inlet 125
It is interior.In the present embodiment, protective gas can be the noble gases such as nitrogen, argon.
In order to improve the service behaviour of coal gasification assembled nozzle, this enforcement is to the central canal 101 in above-described embodiment, point
Fiery casing air 103 and oxidant sleeve pipe 105 have made further improvement.
First the central canal 101 in this enforcement is further described.
High-energy igniter 126 is provided with the central canal 101 of coal gasification assembled nozzle in the present embodiment, central canal 101
Exit arranges Flow restrictions 127；High-energy igniter 126 is used for lighting igniting combustion gas；Current-limiting apparatus 127 are frustum structure,
The first end face of current-limiting apparatus is provided with centre bore 128, and centre bore 128 is used for supporting high-energy igniter, and the of current-limiting apparatus 127
Radius of the radius of end face less than the second end face of current-limiting apparatus 127；Current-limiting apparatus 127 are set on the side wall of second end face
Hangers 129 is equipped with, hangers 129 is welded to connect with central canal 101.
Specifically, light a fire after combustion gas flows through central canal and enter Jing after the current limliting of current-limiting apparatus 127 in first pre-mix zone 109,
Current-limiting apparatus 127 make igniting combustion gas obtain an expansion component velocity radially so that igniting combustion gas is with igniting air first
109 interior energy of pre-mix zone preferably mixes.
Optionally, the hangers of current-limiting apparatus can have 4.
It will be understood by those skilled in the art that the current-limiting apparatus in the present embodiment are not limited to above-mentioned structure, may be used also
With using other structures, as long as can play making igniting combustion gas obtain an expansion component velocity radially.
Secondly, the igniting casing air 103 in this enforcement is further described.
In the present embodiment, the igniting casing air 103 of coal gasification assembled nozzle is tapered near one end aperture of outlet,
The inwall in the exit of igniting casing air 103 is circumferentially arranged the second spinning disk 130.
Specifically, after air stream of lighting a fire igniting air duct, the outlet of Jing igniting casing airs 103 enters the first pre-mix zone
109, due to lighting a fire, casing air 103 is tapered near one end aperture of outlet so that flow through the igniting of igniting air duct
Air obtains a radially contracted component velocity, and the igniting combustion gas that can be sprayed with central canal is premixed first after colliding
Mix homogeneously in area 109.
The second spinning disk 130 that the inwall in the exit of igniting casing air 103 is circumferentially arranged can enter to central canal 101
Row is supported.
Further, the second circumferentially arranged spinning disk 130 of the inwall in the exit of igniting casing air 103 and oxidation
The eddy flow direction of the first circumferentially arranged spinning disk 111 of the inwall in the exit of agent sleeve pipe is consistent.
Then oxidant sleeve pipe 105 is further described.
In the present embodiment, the runner line style of the oxidant sleeve pipe 105 of the coal gasification assembled nozzle of coal gasification assembled nozzle is
Wei Duoxinsi base curves.
In the present embodiment, the runner of the Wei Duoxinsi base curves of oxidant sleeve pipe 105 can be substantially reduced the flowing of oxidant
Resistance, reduces conveying equipment energy consumption, and oxidant is uniformly distributed in radial flow speed.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of coal gasification assembled nozzle, it is characterised in that include：
Central canal, the inlet side of the central canal are provided with igniting fuel gas inlet；
The outside of the central canal is arranged with igniting casing air, the first cooling water pipe, oxidant sleeve pipe, the second cooling successively
Jacket pipe, coal dust sleeve pipe, the 3rd cooling water pipe；
The outlet of the igniting casing air stretches out relative to the outlet of the central canal, to limit the first pre-mix zone,
For mixed firing combustion gas and igniting air；The outlet of the coal dust sleeve pipe relative to the oxidant sleeve pipe outlet to extension
Stretch, to limit the second pre-mix zone, for hybrid oxidant and coal dust；
The oxidant sleeve pipe is tapered near one end aperture of outlet, and the inwall edge in the exit of the oxidant sleeve pipe
It is circumferentially provided with the first spinning disk.
2. coal gasification assembled nozzle according to claim 1, it is characterised in that be provided with least in the coal dust sleeve pipe
A piece coal dust solenoid, the coal dust solenoid are provided with multiple pod apertures near one end of outlet.
3. coal gasification assembled nozzle according to claim 2, it is characterised in that the plurality of pod apertures are along the coal dust
It is solenoidal axially arranged, and the plurality of pod apertures are around coal dust solenoid setting.
4. coal gasification assembled nozzle according to claim 1, it is characterised in that the runner line style of the oxidant sleeve pipe
For Wei Duoxinsi base curves.
5. coal gasification assembled nozzle according to claim 1, it is characterised in that the igniting casing air is near outlet
One end aperture taper into, the inwall in the exit of the igniting casing air circumferentially arranged has the second spinning disk.
6. coal gasification assembled nozzle according to claim 1, it is characterised in that be provided with high energy point in the central canal
Firearm, the exit of the central canal arrange Flow restrictions.
7. coal gasification assembled nozzle according to claim 6, it is characterised in that the current-limiting apparatus are frustum structure,
The first end face of the current-limiting apparatus is provided with centre bore, and the centre bore is used for supporting the high-energy igniter, the current limliting
Radius of the radius of the first end face of device less than the second end face of the current-limiting apparatus.
8. coal gasification assembled nozzle according to claim 7, it is characterised in that the current-limiting apparatus are near second end face
Side wall on be provided with hangers, the hangers is welded to connect with the central canal.
9. the coal gasification assembled nozzle according to any one of claim 1～8, it is characterised in that the coal dust sleeve pipe is leaned on
Gas atmosphere inlet is provided with the side wall of nearly entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916160.5U CN206033686U (en) | 2016-08-22 | 2016-08-22 | Powder coal gasification makes up nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916160.5U CN206033686U (en) | 2016-08-22 | 2016-08-22 | Powder coal gasification makes up nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206033686U true CN206033686U (en) | 2017-03-22 |
Family
ID=58305616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620916160.5U Active CN206033686U (en) | 2016-08-22 | 2016-08-22 | Powder coal gasification makes up nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206033686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107886A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | A kind of straw burning machine |
| CN110118353A (en) * | 2019-06-14 | 2019-08-13 | 郴州华峰能源科技有限公司 | The nozzles of straw burning machine |
-
2016
- 2016-08-22 CN CN201620916160.5U patent/CN206033686U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107886A (en) * | 2019-06-14 | 2019-08-09 | 郴州华峰能源科技有限公司 | A kind of straw burning machine |
| CN110118353A (en) * | 2019-06-14 | 2019-08-13 | 郴州华峰能源科技有限公司 | The nozzles of straw burning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103615717A (en) | Novel oxygen enrichment tiny-oil ignition and ultralow load stable-combustion combustor | |
| CN201327020Y (en) | Combined multi-nozzle burner | |
| CN104613473B (en) | A kind of porous gas jet burner | |
| CN111396873A (en) | Heat storage premixed biomass gas burner and use method thereof | |
| CN204786394U (en) | Effectively utilize low heat value gaseous fuel's multichannel combustor | |
| CN110793195B (en) | Hot-blast furnace equipment suitable for low-heating-value fuel low-oxygen combustion | |
| CN103017160B (en) | A kind of start-up burner of pure oxygen combustion-supporting | |
| CN206033686U (en) | Powder coal gasification makes up nozzle | |
| CN106118751A (en) | Coal gasification assembled nozzle | |
| CN108730978B (en) | Self-circulation low-nitrogen gas burner with adjustable flue gas in furnace | |
| CN102424910B (en) | Combustion nozzle for whole hydrogen bell-type annealing furnace, and waste hydrogen introduction and combustion method adopting the same | |
| CN104154533A (en) | Reverse flow pre-mixing type pulverized coal low-nitrogen combustor and combustion method thereof | |
| CN104595927B (en) | Low heat value of gas turbine fuel combustion chamber | |
| CN204987008U (en) | Bispin STREAMING low heat value gas combustion ware | |
| CN206109325U (en) | Powder coal gasification makes up nozzle | |
| CN208418734U (en) | A kind of low-NOx combustor for natural gas and coal dust | |
| CN204554805U (en) | A kind of micro-oily oxygen enriched powdered coal burner | |
| CN203464270U (en) | Novel two-cyclone oxygen-rich micro-oil ignition stable combustion coal powder combustor | |
| CN102384473A (en) | Flameless trapped vortex burner for gas turbine | |
| CN108397774A (en) | It is a kind of to be used for natural gas and the coal dust individually burner of burning or multifuel combustion | |
| CN202024323U (en) | Powder fuel combustor | |
| CN201875703U (en) | Pulverized coal burner and pulverized coal boiler | |
| CN101603683B (en) | Inferior coal micro-oil ignition combustor | |
| CN109973994B (en) | Low-nitrogen burner | |
| CN106398777A (en) | Pulverized coal gasification combined burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |