CN210568560U - Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas - Google Patents
Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas Download PDFInfo
- Publication number
- CN210568560U CN210568560U CN201921022932.0U CN201921022932U CN210568560U CN 210568560 U CN210568560 U CN 210568560U CN 201921022932 U CN201921022932 U CN 201921022932U CN 210568560 U CN210568560 U CN 210568560U
- Authority
- CN
- China
- Prior art keywords
- coal
- gas
- boiler
- semicoke
- powder
- 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
Images
Abstract
The utility model provides a device for cooperatively controlling the load of a coal-fired boiler by coupling coal and gas, which comprises a boiler, a conveying pipeline and a conventional coal pulverizing system with a raw coal pulverizer, wherein the pulverized coal output by the raw coal pulverizer is conveyed to the boiler through the conveying pipeline, and the device also comprises a coal gas making system and a semicoke milling coal pulverizing system; the coal gas making system mainly comprises a coal gasification reactor, a gas-solid separator, a gas burner of a boiler, a primary air-powder pipeline and a gas conveying pipeline; the coal gas produced by the coal gasification reactor is conveyed to a gas burner of a boiler for combustion through a gas-solid separator; solid products separated by the gas-solid separator enter a semi-coke bin; the semicoke milling and pulverizing system mainly comprises a semicoke bin, a semicoke coal mill, a semicoke separator, a semicoke fine powder bin, a powder feeder and a powder discharge fan; the device can be continuously put into operation and stably burn under ultralow load, the lowest stable burning load of the boiler can be reduced to 25 percent of BMCR, and the requirements of deep peak regulation and rapid load lifting can be completely met.
Description
The technical field is as follows:
the utility model relates to an utilize device of coal and gas coupling cooperative control coal fired boiler load belongs to electric control technical field.
Background art:
at present, in order to encourage the development of clean energy, the new energy generating capacity is preferentially received, the thermal power load is compressed, and the peak regulation effect of the thermal power generating unit is further enhanced. In order to improve the flexibility of operation of the thermal power generating unit, the thermal power generating unit has deep peak regulation capability, and further increase the load response rate, and partial thermal power generating units need to have the capability of quickly starting and stopping peak regulation.
The method realizes deep peak regulation, improves the operation flexibility of the unit, and becomes a necessary condition of thermal power enterprises. In order to realize the deep peak shaving of the unit, firstly, the safe and stable operation of the unit under low load or even ultra-low load is ensured, and the unit has the capability of quickly lifting the load, the lowest stable combustion load of a conventional boiler system is generally 35-40% of BMCR, the speed is slow when the load is reduced, and the requirements of low load or even ultra-low load stable combustion and quick load lifting required by the deep peak shaving cannot be met at present.
The invention content is as follows:
in order to solve the problems existing in the prior art, the utility model provides an utilize coal and gas coupling cooperative control coal fired boiler load's device, the device has increased coal gas system and semicoke system of milling on conventional powder process system's basis.
The utility model discloses a concrete technical scheme as follows:
the utility model provides an utilize coal and gas coupling cooperative control coal fired boiler load's device, includes boiler, pipeline, has the powder process system of raw coal pulverizer, the buggy of raw coal pulverizer output carries the boiler through pipeline, its characterized in that: the system also comprises a coal gas making system and a semicoke milling and pulverizing system;
the coal gas production system mainly comprises a coal gasification reactor (2), a gas-solid separator (3), a gas burner (12) of a boiler, a primary air-powder pipeline and a gas conveying pipeline; the coal gas produced by the coal gasification reactor is conveyed to a gas burner of a boiler for combustion through a gas-solid separator; solid products separated by the gas-solid separator enter a semi-coke bin;
the semicoke milling and pulverizing system mainly comprises a semicoke bin (4), a semicoke coal mill (5), a semicoke separator (6), a semicoke fine powder bin (9), a powder feeder (10) and a powder discharge fan (7);
solid products in the semi-coke bin (4) are stored to be quantitative and then discharged into a semi-coke coal mill (5) for milling, the milled semi-coke air-powder mixture is separated by a semi-coke separator (6), qualified semi-coke fine powder falls into a semi-coke fine powder bin (9), exhaust gas enters an inlet of a raw coal mill (8) through a powder discharge fan (7) and replaces part of primary air to enter the coal mill; the semicoke fine powder falling into the semicoke fine powder bin (9) is sent into a coal powder burner of a boiler together with fine powder from a raw coal pulverizer through a powder feeder (10) for combustion.
Preferably, the original fuel of the pulverizing system is raw coal, and pulverized coal is produced by a raw coal pulverizer (8); the coal gas system fuel is coal powder generated by a coal pulverizing system, and coal gas and solid products are generated by a coal gasification reactor (2); the raw fuel of the semicoke milling and pulverizing system is a solid product produced by a coal gas making system, and semicoke fine powder is produced by a semicoke coal mill (5).
Preferably, the inlets of the raw coal mill (8) and the semicoke mill (5) are also provided with flow and temperature measuring devices for displaying the inlet temperature and the flow of the raw coal mill and the semicoke mill; and cold and hot air quantity adjusting baffles are respectively arranged on cold air and hot air pipelines at inlets of the raw coal mill (8) and the semicoke coal mill (5) and used for adjusting the inlet temperature and the inlet flow of the raw coal mill and the semicoke coal mill.
Preferably, a gas transmission check valve (31) is installed on the coal gas transmission pipeline to prevent high-temperature flue gas from entering the gas transmission pipeline due to deflagration in the coal gasification reactor (2) in operation.
Preferably, the boiler is a tangential firing boiler or a opposed firing boiler;
for a tangential firing boiler, at least six layers of pulverized coal burners are arranged, and at least three lower layers of burners are provided with a stable firing device; the gas burner is at least provided with four layers, and a high-energy ignition device and a fire detection device are configured;
for the opposed firing boiler, the pulverized coal burner is at least three layers, and the pulverized coal burner at the middle and lower layers is provided with a stable firing device; the gas burner is at least arranged in two layers and is provided with a high-energy ignition device and a fire detection device.
Preferably, for a tangential firing boiler, the gas burners are arranged in the middle of four walls of the boiler, and four layers are arranged, the height of each gas burner is the same as that of the primary air nozzles on the lower four layers, the jet direction of gas flow is the same as that of tangential circles in the boiler, the gas flow jets to the fire-facing side of the primary air in the downwind direction, and the jet angle of the gas flow is the same as the deflection angle of the primary air.
Preferably, for the opposed firing boiler, the gas burners are arranged on the front and rear walls and the side walls, and are arranged at the middle height of the upper and lower pulverized coal burners, and the side wall gas burners are at the same level as the front and rear walls.
Preferably, the combustion stabilizing device comprises one or two of an oil gun, micro-oil, plasma, oxygen-rich gas and the like.
By utilizing the device and adopting the method for cooperatively controlling the load of the coal-fired boiler by coal and gas,
when the normal load operation is carried out, the coal gas making system is standby, and the coal pulverizing system and the semicoke milling coal pulverizing system are synchronously operated;
and under the deep peak regulation working condition, the coal pulverizing system and the coal gas making system synchronously operate.
Preferably, when the load is reduced, opening a gasification furnace inlet air-powder mixture flow adjusting baffle (17) on a primary air pipeline from an outlet of a raw coal pulverizer (8) to an inlet of a coal gasification reactor (2), so as to realize synchronous operation of a coal gas making system and a coal pulverizing system;
when the load rises, the adjusting baffle (17) is closed, the semi-coke fine powder is put into use and stopped using through the switch of the semi-coke lower powder pipe shutoff door (11) at the outlet of the semi-coke fine powder bin (9), and the coal gas making system and the semi-coke milling and pulverizing system can be switched rapidly.
Compared with the prior art, the utility model have following beneficial effect:
the utility model provides an utilize coal and gas coupling cooperative control coal fired boiler load's device, the device has increased coal gas system and semicoke system of milling on powder process system's basis.
The device can be used for continuous operation and stable combustion under the ultra-low load, the lowest stable combustion load of the boiler can be reduced to 25 percent of BMCR (minimum body mass control) or even lower by the cooperation of gas and pulverized coal, and the requirements of deep peak regulation and rapid load lifting can be met.
Description of the drawings:
FIG. 1 is a schematic diagram of the arrangement of the device of the present invention (also shown as an abstract drawing);
FIG. 2 is a side view of the tangential firing boiler gas burner arrangement of the present invention;
FIG. 3 is a front view of the tangential firing boiler gas burner arrangement of the present invention;
3 FIG. 34 3 is 3 a 3 schematic 3 view 3 of 3 a 3 tangential 3 firing 3 boiler 3 A 3- 3 A 3 cross 3- 3 sectional 3 burner 3 arrangement 3 according 3 to 3 the 3 present 3 invention 3; 3
FIG. 5 is a schematic view of a tangential firing boiler with burners in the B-B cross section according to the present invention;
FIG. 6 is a side view of the arrangement of the gas burners of the opposed firing boiler of the present invention;
FIG. 7 is an elevational view of the arrangement of the gas burners of the opposed firing boiler of the present invention;
FIG. 8 is a simplified gas burner tube layout according to the present invention;
in the figure: 1-hearth, 2-coal gasification reactor, 3-gas-solid separator, 4-semicoke bin, 5-semicoke coal mill, 6-semicoke separator, 7-powder discharge fan, 8-raw coal mill, 9-semicoke fine powder bin, 10-powder feeder, 11-semicoke lower powder pipe shutoff door, 12-gas burner, 13-burner without stable coal powder, 14-gasifier inlet temperature measuring device, 15-gasifier inlet flow measuring device, 16-gasifier inlet hot air quantity regulating baffle, 17-gasifier inlet air-powder mixture flow regulating baffle, 18-semicoke coal mill inlet cold air quantity regulating baffle, 19-semicoke coal mill inlet flow measuring device, 20-semicoke coal mill inlet temperature measuring device, 21-semicoke coal mill inlet hot air quantity regulating baffle, 22-raw coal pulverizer inlet hot air quantity regulating baffle, 23-raw coal pulverizer inlet cold air quantity regulating baffle, 24-raw coal pulverizer inlet flow measuring device, 25-raw coal pulverizer inlet temperature measuring device, 26-gas-solid separator isolating valve, 27-semicoke downcomer isolating valve, 28-hot primary air, 29-cold primary air, 30-gas burner cooling air regulating valve, 31-gas transmission pipeline check valve, 32-over-fire air nozzle, 33-secondary air nozzle, 34-stable coal-fired burner and 35-gas burner branch pipe electric shutoff valve.
The specific implementation mode is as follows:
the first embodiment is as follows:
as shown in FIG. 1, the utility model provides an utilize coal and gas coupling cooperative control coal fired boiler load's device, including boiler, pipeline, the powder process system that has raw coal pulverizer, coal system gas system and the semicoke powder process system that mills.
The coal powder produced by the raw coal pulverizer is conveyed to a boiler through a conveying pipeline, and the raw coal pulverizer is connected with hot air and cold air and used for conveying the produced coal powder.
The coal gas system mainly comprises a coal gasification reactor 2, a gas-solid separator 3, a gas burner 12 of a boiler, a primary air-powder pipeline and a gas conveying pipeline; the coal gas produced by the coal gasification reactor is conveyed to a gas burner of a boiler for combustion through a gas-solid separator; and the solid product separated by the gas-solid separator enters a semi-coke bin.
The semicoke milling and pulverizing system mainly comprises a semicoke bin 4, a semicoke coal mill 5, a semicoke separator 6, a semicoke fine powder bin 9, a powder feeder 10 and a powder discharge fan 7, wherein the semicoke coal mill is connected with hot air and cold air and is used for conveying produced semicoke fine powder; storing the solid product in the semi-coke bin 4 to a certain amount, discharging the solid product into a semi-coke coal mill 5 for milling, separating a milled semi-coke air-powder mixture through a semi-coke separator 6, allowing qualified semi-coke fine powder to fall into a semi-coke fine powder bin 9, allowing exhaust gas to enter an inlet of a raw coal mill 8 through a powder discharge fan 7, and substituting part of primary air to enter the coal mill; the semicoke fine powder falling into the semicoke fine powder bin 9 is sent into a coal powder burner of a boiler together with fine powder from a raw coal pulverizer through a powder feeder 10 for combustion.
The pulverizing system comprises a raw coal pulverizer 8, a burner 13 and a burner 34. The raw fuel of the powder preparation system is raw coal, the raw coal is ground into coal powder through a raw coal pulverizer 8, the raw coal pulverizer 8 is connected with primary hot air 28 and primary cold air 29 through pipelines, and the coal powder is conveyed to a coal powder burner 13 for burning by utilizing the primary hot air 28 and the primary cold air 28.
The fuel of the coal gas production system is pulverized coal produced by a coal pulverizing system, a flow adjusting baffle 17 for a gasification furnace inlet air-powder mixture is arranged at an outlet of a raw coal pulverizer, the baffle is opened, the pulverized coal can enter a coal gasification reactor 2, pulverized coal particles in the reactor are instantly heated, when the temperature is 900-1200K, volatile substances are released from the pulverized coal particles in an explosion mode to produce coal gas, namely CO and H2、CH4And CO2And the coal gas enters the gas combustor 12 through the gas-solid separator 3 to be combusted.
The semicoke milling and pulverizing system is characterized in that fuel of the semicoke milling and pulverizing system is residual solid products of a coal gasification system, the solid products enter a semicoke bin 4 through a gas-solid separator 3 to be stored, when the solid products are stored to a fixed quantity, the solid products enter a semicoke coal mill 5 to be ground into semicoke fine powder, the semicoke coal mill 5 is also connected with primary hot air 28 and primary cold air 29 through pipelines, the semicoke fine powder is conveyed to a semicoke fine powder bin 9 to be stored by utilizing the primary hot air 28 and the primary cold air 29, exhaust gas enters an inlet of a raw coal mill 8 through a powder exhaust fan 7 to replace part of primary air to enter the coal mill, and the functions of heat recovery.
And a gas burner branch pipe electric shutoff valve 35 is arranged between the coal gas conveying branch pipe and the gas burner 12, the gas of the single gas burner 12 can be independently controlled to be put into operation or shut off, and all the gas burner branch pipe electric shutoff valves 35 are kept fully open, as shown in figure 8.
Under normal load, the air-powder mixture flow adjusting baffle 17 at the inlet of the gasification furnace is closed, the semi-coke fine powder is put into use and stopped using through the switch of the semi-coke lower powder pipe shutoff door 11 at the outlet of the semi-coke fine powder bin 9, the pulverized coal generated by the boiler combustion powder making system and the semi-coke fine powder generated by the semi-coke grinding powder making system are mainly pulverized coal, and the residual solid products of the coal gas are ground into the semi-coke fine powder, so that ignition and burnout of the semi-coke fine powder can be ensured.
When the load is high and the gas fuel is cut off, the gas burner cooling air adjusting door 30 of the gas burner 12 for supplying the cold primary air 29 to the gas pipeline is opened, so that the gas burner 12 can be cooled and prevented from being burnt.
Under the working condition of deep peak regulation, a flow regulating baffle 17 of air-powder mixture at the inlet of a gasification furnace on a primary air pipeline from the outlet of a raw coal pulverizer 8 to the inlet of a coal gasification reactor 2 is opened to realize synchronous operation of a coal gas making system and a coal powder making system, pulverized coal generated by a boiler combustion powder making system and coal gas generated by the coal gas making system are mainly pulverized coal, the temperature of the coal gas is about 600 ℃, the heat accounts for 10-30% of the heat of the boiler (the lower the load is, the higher the ratio is), the characteristics of high heat value and easy ignition of the coal gas are utilized, combustion of the pulverized coal is supported and stabilized, the effects of low-load stable combustion and rapid load lifting are achieved, the lowest stable combustion load of the boiler can be reduced to 25% BMCR or even lower load, and simultaneously reducing gases (CO and H) in2、CH4Etc.) are favorable for reducing the emission of NOx and protecting the environment.
The device can be continuously put into operation and stably combusted under ultralow load, and can meet the requirements of deep peak regulation and rapid load lifting through the cooperation of gas and pulverized coal.
Example two:
the embodiment can be optionally designed in such a way that the inlet of the raw coal pulverizer 8 is provided with a raw coal pulverizer inlet flow measuring device 24 and a raw coal pulverizer inlet temperature measuring device, and the inlet of the semicoke pulverizer 5 is provided with a semicoke pulverizer inlet flow measuring device 19 and a semicoke pulverizer inlet temperature measuring device 20 for adjusting and displaying the inlet temperatures and the inlet flows of the raw coal pulverizer and the semicoke pulverizer; and a raw coal mill inlet cold air quantity adjusting baffle 23 and a raw coal mill inlet hot air quantity adjusting baffle 22 are respectively arranged on the raw coal mill 8 inlet cold air and hot air pipeline, and a semicoke coal mill inlet cold air quantity adjusting baffle 18 and a semicoke coal mill inlet hot air quantity adjusting baffle 21 are respectively arranged on the semicoke coal mill 5 inlet cold air and hot air pipeline and used for adjusting the raw coal mill and the semicoke coal mill inlet air temperature.
Example three:
the embodiment can be optionally designed to install the gas transmission check valve 31 on the coal gas transmission pipeline, so as to prevent the high-temperature flue gas from entering the gas transmission pipeline caused by deflagration in the coal gasification reactor 2 during operation.
Example four:
the embodiment can be designed alternatively, as shown in fig. 2-5, the boiler is a tangential firing boiler, and the pulverized coal burners are arranged in 6 layers, wherein the lower 3 layers have stable pulverized coal burners 34, and the upper 3 layers do not have stable pulverized coal burners; the gas burner 12 is arranged in 4 layers, and is provided with a high-energy ignition device and a fire detection device.
The gas burner 12 is arranged in the middle of four walls of the boiler, four layers are arranged, the gas burner 12 is provided with a high-energy ignition device and a fire detection device, the nozzle of the gas burner and the nozzle of the primary air at the lower four layers have the same elevation, the injection direction of the gas flow is the same as the tangential circle of the boiler, the gas flows to the fire side of the primary air at the downwind direction, and the injection angle of the gas flow is alpha which is the same as the deflection angle of the primary air and is generally 0-5 degrees. Wherein the stable combustion device comprises one or two of a large oil gun, micro oil, plasma, oxygen-rich gas and the like.
Example five:
the embodiment is designed to be an alternative boiler, as shown in fig. 6 and 7, the boiler is a counter-flow combustion boiler, the pulverized coal burner is 3 layers, the middle-lower layer is a stabilized pulverized coal burner 34, the gas burner 12 is arranged in 2 layers, and a high-energy ignition device and a fire detection device are configured.
The gas burners 12 are arranged on the front and rear walls and the side walls and at the intermediate height between the upper and lower pulverized coal burners, the side wall gas burners 12 are at the same level as the front and rear walls, and the middle and lower pulverized coal burners are stabilized pulverized coal burners 34. Wherein the stable combustion device comprises one or two of a large oil gun, micro oil, plasma, oxygen-rich gas and the like.
Claims (8)
1. The utility model provides an utilize coal and gas coupling cooperative control coal fired boiler load's device, includes boiler, pipeline, has the powder process system of raw coal pulverizer, the buggy of raw coal pulverizer output carries the boiler through pipeline, its characterized in that: the system also comprises a coal gas making system and a semicoke milling and pulverizing system;
the coal gas making system mainly comprises a coal gasification reactor (2), a gas-solid separator (3) and a gas burner (12) of a boiler; the coal gas produced by the coal gasification reactor is conveyed to a gas burner of a boiler for combustion through a gas-solid separator; solid products separated by the gas-solid separator enter a semi-coke bin;
the semicoke milling and pulverizing system mainly comprises a semicoke bin (4), a semicoke coal mill (5), a semicoke separator (6), a semicoke fine powder bin (9), a powder feeder (10) and a powder discharge fan (7);
solid products in the semi-coke bin (4) are stored to be quantitative and then discharged into a semi-coke coal mill (5) for milling, the milled semi-coke air-powder mixture is separated by a semi-coke separator (6), qualified semi-coke fine powder falls into a semi-coke fine powder bin (9), exhaust gas enters an inlet of a raw coal mill (8) through a powder discharge fan (7) and replaces part of primary air to enter the coal mill; the semicoke fine powder falling into the semicoke fine powder bin (9) is sent into a coal powder burner of a boiler together with fine powder from a raw coal pulverizer through a powder feeder (10) for combustion.
2. The apparatus for cooperative control of load on a coal-fired boiler using coal-gas coupling according to claim 1, wherein: the original fuel of the powder preparation system is raw coal, and pulverized coal is produced by a raw coal pulverizer (8); the coal gas system fuel is coal powder generated by a coal pulverizing system, and coal gas and solid products are generated by a coal gasification reactor (2); the raw fuel of the semicoke milling and pulverizing system is a solid product produced by a coal gas making system, and semicoke fine powder is produced by a semicoke coal mill (5).
3. The apparatus for cooperative control of load on a coal-fired boiler using coal-gas coupling according to claim 1, wherein: the inlets of the raw coal mill (8) and the semicoke mill (5) are also provided with a flow measuring device and a temperature measuring device for displaying the inlet temperature and the inlet flow of the raw coal mill and the semicoke mill; and cold and hot air quantity adjusting baffles are respectively arranged on cold air and hot air pipelines at inlets of the raw coal mill (8) and the semicoke coal mill (5) and used for adjusting the inlet temperature and the inlet flow of the raw coal mill and the semicoke coal mill.
4. The apparatus for cooperative control of load on a coal-fired boiler using coal-gas coupling according to claim 1, wherein: the gas transmission check valve (31) is installed on the coal gas transmission pipeline, so that high-temperature flue gas is prevented from entering the gas transmission pipeline due to deflagration in the coal gasification reactor (2) in the operation process.
5. The apparatus for controlling the load of a coal-fired boiler using coal-gas coupling according to any one of claims 1 to 4, wherein: the boiler is a tangential firing boiler or a hedging firing boiler;
for a tangential firing boiler, at least six layers of pulverized coal burners are arranged, and at least three lower layers of burners are provided with a stable firing device; the gas burner is at least provided with four layers, and a high-energy ignition device and a fire detection device are configured;
for the opposed firing boiler, the pulverized coal burner is at least three layers, and the pulverized coal burner at the middle and lower layers is provided with a stable firing device; the gas burner is at least arranged in two layers and is provided with a high-energy ignition device and a fire detection device.
6. The apparatus for controlling load of coal-fired boiler using coal-gas coupling cooperation according to claim 5, wherein: for a tangential firing boiler, gas burners are arranged in the middle of four wall bodies of the boiler, four layers are arranged, the height of each gas burner is the same as that of the primary air nozzles of the lower four layers, the jet direction of gas flow is the same as that of tangential firing in the boiler, the gas flow jets to the fire-facing side of the primary air of the downwind direction, and the jet angle of the gas flow is the same as the deflection angle of the primary air.
7. The apparatus for controlling load of coal-fired boiler using coal-gas coupling cooperation according to claim 5, wherein: for the opposed firing boiler, the gas burners are arranged on the front wall, the rear wall and the side walls, and are arranged at the middle height of the upper coal powder burner and the lower coal powder burner, and the side wall gas burners and the front wall and the rear wall have the same elevation.
8. The apparatus for controlling load of coal-fired boiler using coal-gas coupling cooperation according to claim 5, wherein: the combustion stabilizing device comprises one or two of a large oil gun, micro oil, plasma and oxygen enrichment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022932.0U CN210568560U (en) | 2019-07-03 | 2019-07-03 | Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022932.0U CN210568560U (en) | 2019-07-03 | 2019-07-03 | Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210568560U true CN210568560U (en) | 2020-05-19 |
Family
ID=70631350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022932.0U Active CN210568560U (en) | 2019-07-03 | 2019-07-03 | Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210568560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220211A (en) * | 2019-07-03 | 2019-09-10 | 国电南京电力试验研究有限公司 | A kind of device and method coupling Collaborative Control coal-burning boiler load with gas using coal |
-
2019
- 2019-07-03 CN CN201921022932.0U patent/CN210568560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220211A (en) * | 2019-07-03 | 2019-09-10 | 国电南京电力试验研究有限公司 | A kind of device and method coupling Collaborative Control coal-burning boiler load with gas using coal |
| CN110220211B (en) * | 2019-07-03 | 2024-04-02 | 国能南京电力试验研究有限公司 | Device and method for cooperatively controlling load of coal-fired boiler by utilizing coupling of coal and gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102252324B (en) | Method for combusting fuel reburning low-nitrogen oxide | |
| CN101865451A (en) | Biomass high-temperature flue gas gasification combination coal burning boiler and low-pollution combustion method thereof | |
| CN101532678B (en) | Brown gas (oxyhydrogen gas) ignition system of coal burning boiler of power plant | |
| CN209495349U (en) | A kind of biomass molding fuel and coal direct-coupling pulverized coal preparation system | |
| CN105987379B (en) | Boiler controller system | |
| CN105783025A (en) | Method for monitoring distribution of pulverized coal in low-NOx tangential coal-fired boiler | |
| CN101886816A (en) | Improved plasma ignition nozzle of coal dust gasifier and mode | |
| CN203258673U (en) | Cross-coal type separate grinding blending combustion device of W-shaped flame boiler | |
| CN110220211B (en) | Device and method for cooperatively controlling load of coal-fired boiler by utilizing coupling of coal and gas | |
| CN100516651C (en) | W flame boiler primary air waste-steam replacement method and apparatus for | |
| CN210568560U (en) | Device for cooperatively controlling load of coal-fired boiler by coupling coal and gas | |
| CN100532937C (en) | Turbulent burner for little oil quantity gasification and burning, lateral-igniting and central coal powder-feeding | |
| CN206739283U (en) | A kind of depth peak regulation preheats low-load combustion-stabilizing combustion system with heat smoke | |
| CN103836620B (en) | Oxygen-enriched micro-oil staged combustion device | |
| CN105202575A (en) | Ignition method and device through high-temperature high oxygen torch generated by coal powder or crushed coal combustion | |
| CN102330973A (en) | Blending gas-solid mixed fuel technology of CFB (circulating fluid bed) boiler | |
| CN212869743U (en) | Double-fuel boiler capable of burning pure gas | |
| CN202024323U (en) | Powder fuel combustor | |
| CN100585276C (en) | Side direction multilevel open type igniting center powder feeding vortex combustor of small oil mass gasification combustion | |
| CN113503562A (en) | Combustion and powder-making system of fan coal mill | |
| CN209355293U (en) | A kind of biomass burner | |
| CN202024324U (en) | Powder fuel combustor | |
| CN217635590U (en) | Circle-cutting combustion system with double combustion areas | |
| CN210979906U (en) | Oxygen-enriched burnout grate system for improving efficiency of wood fiber lignite-burning boiler | |
| CN217503635U (en) | Bottom air supporting system of opposed combustion boiler and opposed combustion boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210046 fairyland Road, Qixia District, Nanjing, Jiangsu Province, No. 10 Patentee after: Guoneng Nanjing Electric Power Test Research Co.,Ltd. Address before: 210046 fairyland Road, Qixia District, Nanjing, Jiangsu Province, No. 10 Patentee before: GUODIAN NANJING ELECTRIC POWER TEST RESEARCH Co.,Ltd. |