CN204227418U - Micro-gas igniting combustion supporting burner and micro-gas ignition system - Google Patents
Micro-gas igniting combustion supporting burner and micro-gas ignition system Download PDFInfo
- Publication number
- CN204227418U CN204227418U CN201420680161.5U CN201420680161U CN204227418U CN 204227418 U CN204227418 U CN 204227418U CN 201420680161 U CN201420680161 U CN 201420680161U CN 204227418 U CN204227418 U CN 204227418U
- Authority
- CN
- China
- Prior art keywords
- gas
- micro
- combustion
- socket
- air
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 91
- 239000002817 coal dust Substances 0.000 claims abstract description 21
- 238000010304 firing Methods 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 114
- 239000002737 fuel gas Substances 0.000 claims description 20
- 239000000446 fuel Substances 0.000 abstract description 14
- 238000010438 heat treatment Methods 0.000 abstract description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 18
- 239000003345 natural gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Combustion Of Fluid Fuel (AREA)
Abstract
The utility model discloses a kind of micro-gas igniting combustion supporting burner and micro-gas ignition system, described micro-gas igniting combustion supporting burner comprises the coal burner (1) of the spout (12) of the port of export having First air pipeline (11) and be positioned at this First air pipeline (11), described First air pipeline (11) is provided with the igniter for firing coal-dust.The igniter of micro-gas igniting combustion supporting burner of the present utility model does not need heating furnace, combustion flame directly heats and lights the ducted coal dust of First air, mode of heating is direct and heat is concentrated, and heating efficiency is high, dramatically saves on the fuel consumption for firing coal-dust.
Description
Technical field
The utility model relates to boiler combustion technology, particularly, relates to a kind of micro-gas igniting combustion supporting burner and applies micro-gas ignition system of this micro-gas igniting combustion supporting burner.
Background technology
In prior art, most of coal burning boiler of power station adopts fuel ignition combustion-supporting, and the oil-firing system of boiler is complicated, and operation maintenance amount is large; Incomplete combustion in ignition process, works the mischief to equipment such as denitrating catalyst, air preheater, electric cleaner, desulfurization.A kind of new technical scheme adopts natural gas fired combustion-supporting, in this technical scheme, natural gas fired system is independently arranged, the flame of combustion of natural gas directly sprays into heating furnace in burner hearth thus firing coal-dust, this technical scheme structure is simple, operation maintenance amount is little, boiler upstream device is safe from harm, but but there is the large shortcoming of gas consumption in this technical scheme, be such as in the station boiler of 300MW unit an installed capacity, the metered flow of every platform natural gas fired air gun is 2900 cubes ms/h.Along with the day of natural gas resource is becoming tight, need more energy-conservation and economic technical scheme.
Utility model content
The purpose of this utility model is to provide a kind of burner, and this burner can reduce the consumption of combustion gas in ignition of the boiler process.
To achieve these goals, the utility model provides a kind of micro-gas igniting combustion supporting burner, described micro-gas igniting combustion supporting burner comprises the coal burner of the spout of the port of export having First air pipeline and be positioned at this First air pipeline, described First air pipeline is provided with the igniter for firing coal-dust.
Preferably, described igniter is micro-gas device for igniting, described micro-gas device for igniting comprises socket, for inputting the Gas Pipe of fuel gas and the igniter for lighting described fuel gas, one end of described socket to be inserted in described First air pipeline and is communicated with this First air pipeline, described socket is also provided with the combustion air interface for inputting combustion air, and described Gas Pipe and igniter insert in described socket respectively.
Preferably, the location interval of the described socket position and described spout of inserting described First air pipeline is arranged.
Preferably, be arranged with urceolus in described one end of described socket, between described urceolus and described socket, there is annular gap, described urceolus is provided with the urceolus communicated with this annular gap and gives a dinner for a visitor from afar mouth.
Preferably, the multiple splitters for making the wind of giving a dinner for a visitor from afar mouth input from described urceolus evenly circulate along described annular gap are provided with between described urceolus and described socket.
Preferably, the end wall of the other end of described socket is provided with watch window.
Preferably, described combustion air interface is arranged on the sidewall of the described socket other end.
Preferably, described one end of described socket tilts to insert described First air pipeline towards described spout, and the angle α of the axis of the axis of described socket and described First air pipeline is 15 ° ~ 45 °.
Preferably, described First air pipeline is provided with detector unit in the position of inserting described socket.
Pass through technique scheme, micro-gas igniting combustion supporting burner of the present utility model is provided with the igniter for firing coal-dust in the First air pipeline of coal burner, ignited fuel after-combustion flame in igniter directly heats the ducted coal dust of First air, because the flame of igniter does not need heating furnace, mode of heating is direct and heat is concentrated, heating efficiency is high, only need to consume less fuel and get final product firing coal-dust, dramatically saves on the fuel consumption for firing coal-dust.
The utility model also provides a kind of micro-gas ignition system, described micro-gas ignition system comprises for providing the combustion-supporting wind system of combustion air, for the multiple micro-gas igniting combustion supporting burner providing the gas burning system of fuel gas and arrange around burner hearth, described micro-gas igniting combustion supporting burner is above-described micro-gas igniting combustion supporting burner, described combustion air interface is connected with described combustion-supporting wind system by combustion air air inlet pipe, and the entrance of described Gas Pipe is connected with described gas burning system by gas inlet pipe.
Preferably, the first control valve for controlling gas circulation is provided with in described gas inlet pipe.
Preferably, the part of described gas inlet pipe between described first control valve and the entrance of described Gas Pipe is also provided with the second control valve, the part of described gas inlet pipe between described first control valve and described second control valve is connected with the blast pipe of branch, is provided with the 3rd control valve in described blast pipe.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of preferred embodiment of the utility model micro-gas igniting combustion supporting burner.
Fig. 2 is the sectional view that micro-gas device for igniting inserts one end of First air pipeline.
Fig. 3 is the schematic diagram that micro-gas device for igniting is observed from the end of the other end.
Fig. 4 is the system architecture schematic diagram of micro-gas ignition system.
Description of reference numerals
The micro-gas device for igniting of 1 coal burner 2
3 burner hearth 4 combustion-supporting wind systems
5 gas burning system 11 First air pipelines
12 spout 21 sockets
22 Gas Pipe 23 igniters
24 flame detector 25 watch windows
41 combustion air air inlet pipe 51 gas inlet pipes
52 first control valve 53 second control valves
54 the 3rd control valve 55 blast pipes
100 micro-gas igniting combustion supporting burner 211 combustion air interfaces
212 urceolus 213 urceolus are given a dinner for a visitor from afar mouth
214 splitter 215 end walls
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use is as inside and outside in " inside and outside " refers to relative to each parts own profile.
Micro-gas igniting combustion supporting burner that the utility model provides comprises the coal burner 1 with First air pipeline 11 and spout 12, and spout 12 is positioned at the port of export of this First air pipeline 11, described First air pipeline 11 is provided with the igniter for firing coal-dust.The First air pipeline 11 of coal burner 1 is for carrying the First air carrying coal dust, and First air enters burner hearth through spout 12 ejection, and First air carries coal dust and burns in burner hearth.Igniter can adopt fuel oil to be fuel, such as by fuel-oil atmozation after-combustion, or adopts fuel gas to be fuel, such as natural gas or liquefied gas.
Because igniter is arranged on the First air pipeline of coal burner, the volume of the volumetric ratio burner hearth of First air pipeline is much smaller, ignited fuel after-combustion flame in igniter directly heats the ducted coal dust of First air and does not need heating furnace in advance, this mode of heating is direct and heat is concentrated, heating efficiency is high, only need to consume less fuel and get final product firing coal-dust, burn away and heating furnace after the coal dust of First air pipeline mid point combustion enters burner hearth, ensure follow-up coal dust smooth combustion.The technical solution of the utility model dramatically saves on the fuel consumed for firing coal-dust compared with existing technical scheme.
Described igniter can be various suitable structure, if can combustion ignition fuel and by coal dust in the ignited fuel First air pipeline 11 of this burning.As shown in Figure 1, preferably, described igniter is micro-gas device for igniting 2, described micro-gas device for igniting 2 comprises socket 21, for inputting the Gas Pipe 22 of fuel gas and the igniter 23 for lighting described fuel gas, one end of described socket 21 to be inserted in described First air pipeline 11 and is communicated with this First air pipeline 11, described socket 21 is also provided with the combustion air interface 211 for inputting combustion air, and described Gas Pipe 22 and igniter 23 insert in described socket 21 respectively.
Above-mentioned micro-gas device for igniting 2 for burning combustible gas, such as natural gas, liquefied gas etc.Gas Pipe 22 stretches in socket 21 to input fuel gas, Gas Pipe 22 preferably extend into socket 21 and extend near the end of First air pipeline 11 one end, combustion air interface 211 inputs combustion air such as compressed air in socket 21, igniter 23 can be high-energy igniter, the spark ignition fuel gas produced by electrion, the combustion flame of fuel gas sprays into First air pipeline interior heating and lights the coal dust in First air pipeline.Micro-gas device for igniting 2 of this structure take fuel gas as fuel, less on the impact of upstream device after burning, and structure is simple, and easily, cost is low in igniting.
In said structure, the location interval of position and described spout 12 that preferred described socket 21 inserts described First air pipeline 11 is arranged.Spaced benefit is the distance that the combustion flame that can extend micro-air burner 2 passes through in First air pipeline 11, avoids combustion flame to enter burner hearth soon, makes full use of the heat of combustion flame.
In said structure, be preferably arranged with urceolus 212 in described one end of described socket 21, between described urceolus 212 and described socket 21, there is annular gap, described urceolus 212 is provided with the urceolus communicated with this annular gap and gives a dinner for a visitor from afar mouth 213.Described urceolus mouth 213 of giving a dinner for a visitor from afar connects cold combustion air such as compressed air, this cold combustion air is used for cooling and isolation cylindrical shell 21, the part that coal burner is directly connected with urceolus is made to be unlikely to overheated and to damage, this cold combustion air also cools socket 21 to a certain extent, makes the temperature of socket 21 other end be unlikely to too high.Another free-revving engine of above-mentioned setting is the annular wind barrier that the combustion air sprayed from described annular gap can form around combustion flame, and this annular wind barrier can protect combustion flame in First air pipeline, avoids combustion flame to be blown out by First air.
As shown in Figure 2, further preferably, between described urceolus 212 and described socket 21, be provided with multiple splitter 214, described splitter 214 for make from described urceolus give a dinner for a visitor from afar mouth 213 input wind evenly circulate along described annular gap.Urceolus is given a dinner for a visitor from afar after wind that mouth 213 inputs enters described annular gap, and under the stop of multiple splitter, annularly the ring section in gap is uniformly distributed gradually, avoids the wind inputted directly to flow out from urceolus mouth 213 of giving a dinner for a visitor from afar to exit.Described splitter can be the sheet of inclination or spiral, is distributed in discontinuously in described annular gap.
Preferably, as shown in Figure 3, the end wall 215 of the other end of described socket 21 is provided with watch window 25.Whether watch window 25 can be made for transparent glass, lighted for directly observing fuel gas in micro-gas device for igniting.Micro-gas device for igniting 2 can also arrange flame detector 24, flame detector 24 also can be arranged on the end wall 215 of socket 21, whether flame detector 24 exists flame and judges whether fuel gas is lighted by detecting, flame detector 24 can be purple light detector, and the information of detection will be imported into corresponding control device.As shown in Figure 3, Gas Pipe 22, igniter 23 also can insert in socket 21 through end wall 215.
Described combustion air interface 211 also can be arranged on the end wall 215 of the other end of socket 21.Preferably described combustion air interface 211 is arranged on the sidewall of described socket 21 other end.The sidewall of socket 21 arranges combustion air interface 211 can make the bore of combustion air interface 211 open larger, is conducive to air-supply.
Described one end of preferred described socket 21 tilts to insert described First air pipeline 11 towards described spout 12, and the angle α of the axis of socket 21 and the axis of described First air pipeline 11 is 15 ° ~ 45 °.The flow direction of the combustion flame adopting this set can make to enter First air pipeline 11 and First air substantially always, is convenient to First air and is circulated.
Preferred described First air pipeline 11 is provided with detector unit in the position of inserting described socket 21.Because the temperature of the combustion flame of micro-gas device for igniting 2 is very high, the position entering First air pipeline at combustion flame may make the tube wall temperature of First air pipeline too high, set temperature detecting unit can detect the temperature at this position, can take measures to avoid First air Pipeline damage time necessary.Temperature detector can be such as thermocouple, can be such as two or more, be arranged on the insertion near sites that socket 21 is inserted into First air pipeline.
As shown in Figure 4, micro-gas ignition system of the present utility model comprises for providing the combustion-supporting wind system 4 of combustion air, for the multiple micro-gas igniting combustion supporting burner 100 providing the gas burning system 5 of fuel gas and arrange around burner hearth, described micro-gas igniting combustion supporting burner 100 is above-described micro-gas igniting combustion supporting burner, described combustion air interface 211 is connected with described combustion-supporting wind system 4 by combustion air air inlet pipe 41, and the entrance of described Gas Pipe 22 is connected with described gas burning system 5 by gas inlet pipe 51.Combustion-supporting wind system 4 can provide compressed air as combustion air by gas gas-distributing fan, gas gas-distributing fan can select frequency modulation blower fan, gas air distribution speed is maintained at 6 ~ 10m/s during operation, after gas gas-distributing fan starts, combustion air is transported to the main pipe rail of combustion-supporting wind system, enters micro-gas igniting combustion supporting burner 100 by combustion air air inlet pipe 41.Gas burning system 5 is for providing the fuel gas of steady pressure, gas burning system 5 can comprise a Self-pressure stabilizing valve, natural gas or liquefied gas enter gas burning system main pipe rail after this pressure maintaining valve, keep stable pressure, enter micro-gas igniting combustion supporting burner 100 by gas inlet pipe 51.Described micro-gas igniting combustion supporting burner 100 can arrange multiple according to the structure of burner hearth 3 and size, is such as arranged on four bights of burner hearth 3 around burner hearth 3.
Preferably, the first control valve 52 for controlling gas circulation is provided with in described gas inlet pipe 51.Further preferably, the part of described gas inlet pipe 51 between described first control valve 52 and the entrance of described Gas Pipe 22 is also provided with the second control valve 53, the part of described gas inlet pipe 51 between described first control valve 52 and described second control valve 53 is connected with the blast pipe 55 of branch, is provided with the 3rd control valve 54 in described blast pipe 55.Above first control valve 52, second control valve 53 and the 3rd control valve 54 can be controlled by the control unit of outside, and can with flame detector 24 with the use of.Such as when lighting a fire, first control valve and the second control valve are opened, 3rd control valve is closed, now fuel gas enters micro-gas igniting combustion supporting burner 100 from gas burning system 5, the igniter 23 of micro-gas igniting combustion supporting burner 100 is lighted a fire, fuel gas is lighted, thus for lighting the coal dust in First air pipeline 11; If the unsuccessful ignited flammable gas of igniter 23 (detected by flame detector 24 or observed by watch window 23), then need to stop igniting, now close the first control valve 52 and the second control valve 53, open the 3rd control valve 54, ducted fuel gas is discharged, to ensure safety from blast pipe 55.
Micro-gas igniting combustion supporting burner of the present utility model and micro-gas ignition system can save the fuel of igniting significantly, such as same is in the station boiler of 300MW unit an installed capacity, the metered flow of every platform micro-gas igniting combustion supporting burner of the present utility model is 300 cubes ms/h, is only 1/10th of natural gas fired air gun metered flow in prior art.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (12)
1. a micro-gas igniting combustion supporting burner, described micro-gas igniting combustion supporting burner comprises the coal burner (1) of the spout (12) of the port of export having First air pipeline (11) and be positioned at this First air pipeline (11), it is characterized in that, described First air pipeline (11) is provided with the igniter for firing coal-dust.
2. micro-gas igniting combustion supporting burner according to claim 1, it is characterized in that, described igniter is micro-gas device for igniting (2), described micro-gas device for igniting (2) comprises socket (21), for inputting the Gas Pipe (22) of fuel gas and the igniter (23) for lighting described fuel gas, one end of described socket (21) to be inserted in described First air pipeline (11) and is communicated with this First air pipeline (11), described socket (21) is also provided with the combustion air interface (211) for inputting combustion air, described Gas Pipe (22) and igniter (23) insert in described socket (21) respectively.
3. micro-gas igniting combustion supporting burner according to claim 2, is characterized in that, the location interval of position and described spout (12) that described socket (21) inserts described First air pipeline (11) is arranged.
4. micro-gas igniting combustion supporting burner according to claim 2, it is characterized in that, urceolus (212) is arranged with in described one end of described socket (21), between described urceolus (212) and described socket (21), there is annular gap, described urceolus (212) is provided with the urceolus communicated with this annular gap and gives a dinner for a visitor from afar mouth (213).
5. micro-gas igniting combustion supporting burner according to claim 4, it is characterized in that, be provided with between described urceolus (212) and described socket (21) and give a dinner for a visitor from afar multiple splitters (214) that wind that mouth (213) inputs evenly circulates along described annular gap from described urceolus for making.
6. micro-gas igniting combustion supporting burner according to claim 2, is characterized in that, the end wall (215) of the other end of described socket (21) is provided with watch window (25).
7. micro-gas igniting combustion supporting burner according to claim 2, is characterized in that, described combustion air interface (211) is arranged on the sidewall of described socket (21) other end.
8. micro-gas igniting combustion supporting burner according to claim 2, it is characterized in that, described one end of described socket (21) tilts to insert described First air pipeline (11) towards described spout (12), and the angle α of the axis of described socket (21) and the axis of described First air pipeline (11) is 15 ° ~ 45 °.
9. micro-gas igniting combustion supporting burner according to claim 2, is characterized in that, described First air pipeline (11) is provided with detector unit in the position of inserting described socket (21).
10. a micro-gas ignition system, it is characterized in that, described micro-gas ignition system comprises the combustion-supporting wind system (4) for providing combustion air, for the multiple micro-gas igniting combustion supporting burner (100) providing the gas burning system of fuel gas (5) and arrange around burner hearth, described micro-gas igniting combustion supporting burner (100) is for according to the micro-gas igniting combustion supporting burner in claim 2-9 described in any one, described combustion air interface (211) is connected with described combustion-supporting wind system (4) by combustion air air inlet pipe (41), the entrance of described Gas Pipe (22) is connected with described gas burning system (5) by gas inlet pipe (51).
11. micro-gas ignition systems according to claim 10, is characterized in that, are provided with the first control valve (52) for controlling gas circulation in described gas inlet pipe (51).
12. micro-gas ignition systems according to claim 11, it is characterized in that, the part of described gas inlet pipe (51) between described first control valve (52) and the entrance of described Gas Pipe (22) is also provided with the second control valve (53), the part of described gas inlet pipe (51) between described first control valve (52) and described second control valve (53) is connected with the blast pipe (55) of branch, is provided with the 3rd control valve (54) in described blast pipe (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680161.5U CN204227418U (en) | 2014-11-10 | 2014-11-10 | Micro-gas igniting combustion supporting burner and micro-gas ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680161.5U CN204227418U (en) | 2014-11-10 | 2014-11-10 | Micro-gas igniting combustion supporting burner and micro-gas ignition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204227418U true CN204227418U (en) | 2015-03-25 |
Family
ID=52925506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680161.5U Active CN204227418U (en) | 2014-11-10 | 2014-11-10 | Micro-gas igniting combustion supporting burner and micro-gas ignition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204227418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676586A (en) * | 2014-11-10 | 2015-06-03 | 中国神华能源股份有限公司 | Micro-gas ignition and combustion-supporting combustor and micro-gas ignition system |
-
2014
- 2014-11-10 CN CN201420680161.5U patent/CN204227418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676586A (en) * | 2014-11-10 | 2015-06-03 | 中国神华能源股份有限公司 | Micro-gas ignition and combustion-supporting combustor and micro-gas ignition system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104141952B (en) | Extremely low concentration coal mine gas combustion device and method | |
| CN103742907A (en) | Self-preheating burner for low-calorific-value converter gas | |
| CN104676586A (en) | Micro-gas ignition and combustion-supporting combustor and micro-gas ignition system | |
| CN102607022A (en) | Energy-saving and environment-friendly regenerative high-temperature air combustor | |
| CN204227418U (en) | Micro-gas igniting combustion supporting burner and micro-gas ignition system | |
| CN103868068A (en) | High temperature oxygen direct ignition and combustion stabilization system | |
| CN105202575A (en) | Ignition method and device through high-temperature high oxygen torch generated by coal powder or crushed coal combustion | |
| CN105333422B (en) | The pulverized coal staging combustion device fired again for heat source so that inert component water power is added to vent one's spleen | |
| CN101532661B (en) | Gas combustion system with eternal flame | |
| CN104946833B (en) | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower | |
| CN203744377U (en) | Gas heater | |
| CN106032907B (en) | Blast furnace gas burner igniter | |
| CN202938289U (en) | Fuel-saving ignition device of circulating fluidized bed boiler | |
| CN206037117U (en) | Gaseous fuel ignition system suitable for industrial pulverized coal boiler combustor | |
| CN202813377U (en) | Gas heat accumulating type burner structure with igniter | |
| RU2518759C1 (en) | Oil-gas burner | |
| CN202757119U (en) | Ignition device for fan-grinder milling boiler | |
| CN104990406A (en) | Biomass forging heating furnace | |
| CN201628381U (en) | Straw pallet burning hot blast furnace | |
| CN204786411U (en) | Biography fire system of gas electric fan heater | |
| CN204358716U (en) | A kind of igniter | |
| CN204026669U (en) | Long flame burner | |
| RU93939U1 (en) | SOLID FUEL PREPARATION SYSTEM FOR COMBUSTION | |
| CN201680369U (en) | Combustor for heat energy circulating system of coating production line | |
| CN210511670U (en) | Novel self-cooling injection type combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |