CN106765287A - A kind of power plant boiler air and flue system and its start-up and shut-down control method - Google Patents
A kind of power plant boiler air and flue system and its start-up and shut-down control method Download PDFInfo
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- CN106765287A CN106765287A CN201710046248.5A CN201710046248A CN106765287A CN 106765287 A CN106765287 A CN 106765287A CN 201710046248 A CN201710046248 A CN 201710046248A CN 106765287 A CN106765287 A CN 106765287A
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- electrically operated
- operated gate
- pressure fan
- introduced machine
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 8
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/15043—Preheating combustion air by heat recovery means located in the chimney, e.g. for home heating devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention provides a kind of power plant boiler air and flue system and its start-up and shut-down control method, the system includes：First and second air preheater, first and second pressure fan, first and second air-introduced machine, pressure fan outlet main pipe communicating door and a plurality of pipeline；Pressure fan is connected by pipeline with air preheater, and inlet guide vane is provided with air blower inlet, and outlet electrically operated gate is provided with its outlet；Air preheater is connected by two-way pipeline with boiler furnace, and a pipeline is provided with air preheater outlet electrically operated gate wherein, and air preheater entrance electrically operated gate is provided with another pipeline；Air-introduced machine is arranged on air preheater and leads on the pipeline of cigarette tower, and entrance and outlet electrically operated gate are respectively arranged at two ends with air-introduced machine, and air-introduced machine inlet guide vane is additionally provided with its porch；The outlet main pipe of the first pressure fan and the outlet main pipe of the second pressure fan export main pipe communicating door and connect by pressure fan.
Description
Technical field
The present invention relates to thermal power generating technology field, more particularly to a kind of power plant boiler air and flue system and its start-up and shut-down control
Method.
Background technology
Need to ensure the efficiency of combustion that enough air inflows just can guarantee that boiler, existing boiler in the boiler of thermal power plant
In it is mostly be, to the direct setting admission line of boiler, extraneous air to be imported into combustion chamber, but due to outside air and burner hearth temperature
There is larger temperature difference in degree, import outside air and regret reducing furnace temperature, so that efficiency of combustion is reduced, if increasing individually empty
Gas heater, can increase operating cost again.Also, existing thermal power plant is under boiler air and flue system full cut-off state, it is impossible to real
The automatic of existing boiler air and flue system, also cannot realize the automatic of boiler air and flue system under boiler wind and smoke system running state
Stop, and when boiler wind and smoke startup procedure is run to a certain step, if the step sequence condition is unsatisfactory for, it is impossible to continue to start
The operation of program.The operation of i.e. existing boiler air and flue system is required to human intervention with stopping, this considerably increases workload and
Human cost, and if can not in time start or stop boiler air and flue system, unit may be influenceed normally to run.
The content of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of power plant boiler air and flue system and its start and stop control
Method processed.
On the one hand the embodiment of the present invention provides a kind of power plant boiler air and flue system, the power plant boiler air and flue system
Including：First air preheater, the second air preheater, the first pressure fan, the second pressure fan, the first air-introduced machine, the second air inducing
Machine, pressure fan outlet main pipe communicating door and a plurality of pipeline；
First pressure fan is connected by pipeline with first air preheater, is set in first air blower inlet
There is air blower inlet stator, pressure fan outlet electrically operated gate is provided with its outlet；First air preheater passes through two-way pipeline
It is connected with boiler furnace, a pipeline is provided with air preheater outlet electrically operated gate wherein, and air preheater is provided with another pipeline
Entrance electrically operated gate；First air-introduced machine is arranged on first air preheater and leads on the pipeline of cigarette tower, described first
Air-introduced machine be respectively arranged at two ends with entrance electrically operated gate and outlet electrically operated gate, be additionally provided with air inducing in the porch of first air-introduced machine
Machine inlet guide vane；
Second pressure fan is connected by pipeline with second air preheater, is set in second air blower inlet
There is air blower inlet stator, pressure fan outlet electrically operated gate is provided with its outlet；Second air preheater passes through two-way pipeline
It is connected with boiler furnace, a pipeline is provided with air preheater outlet electrically operated gate wherein, and air preheater is provided with another pipeline
Entrance electrically operated gate；Second air-introduced machine is arranged on second air preheater and leads on the pipeline of cigarette tower, described second
Air-introduced machine be respectively arranged at two ends with entrance electrically operated gate and outlet electrically operated gate, be additionally provided with air inducing in the porch of second air-introduced machine
Machine inlet guide vane；
The outlet main pipe of the outlet main pipe of first pressure fan and second pressure fan is exported by the pressure fan
Main pipe communicating door is connected.
On the other hand the embodiment of the present invention provides a kind of power plant boiler air and flue system start-up and shut-down control method, the thermoelectricity
Factory's boiler air and flue system start-up and shut-down control method includes：
Judge whether the first air preheater entrance electrically operated gate and outlet electrically operated gate, the second air preheater entrance electrically operated gate
With outlet electrically operated gate closed, and the first air-introduced machine entrance electrically operated gate and outlet electrically operated gate, the second air-introduced machine entrance electrically operated gate and
Outlet electrically operated gate has been closed, and the first pressure fan outlet electrically operated gate and the second pressure fan outlet electrically operated gate have been closed, and pressure fan
Outlet main pipe communicating door has been closed, and the first air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane have been closed, and the first air-supply
Machine inlet guide vane and the second air blower inlet stator have been closed；If not, sending the first air preheater entrance electrically operated gate of closing
With the instruction of outlet electrically operated gate, the second air preheater entrance electrically operated gate and outlet electrically operated gate, and the first air-introduced machine entrance of closing
The instruction of electrically operated gate and outlet electrically operated gate, the second air-introduced machine entrance electrically operated gate and outlet electrically operated gate, and the first pressure fan of closing goes out
Mouth electrically operated gate and the second pressure fan export the instruction of electrically operated gate, and close the instruction that pressure fan exports main pipe communicating door, and close
The instruction of the first air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane, and closing the first air blower inlet stator and second send
The instruction of fans entrance stator；
If it is, judging whether that the first air preheater and the second air preheater start；If the first air preheat
Device is not actuated and/or the second air preheater is not actuated, sends the finger for starting the first air preheater and the second air preheater
Order；
If the first air preheater and the second air preheater start, judge whether the entrance of the first air preheater
Electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second air preheater and outlet electrically operated gate have been opened；If not, sending out
Entrance electrically operated gate and outlet electrically operated gate, the entrance electrically operated gate of the second air preheater and the outlet for opening the first air preheater are electronic
The instruction of door；
If the entrance electrically operated gate of the first air preheater and outlet electrically operated gate, the entrance electrically operated gate of the second air preheater
Opened with outlet electrically operated gate, judged whether that the first air-introduced machine outlet electrically operated gate has been opened, and the second pressure fan outlet electrically operated gate is
Open, and pressure fan outlet main pipe communicating door has been opened；The instruction of electrically operated gate is exported if not, sending and opening the first air-introduced machine, and is opened
The instruction that the second pressure fan exports electrically operated gate is opened, and opens the instruction that pressure fan exports main pipe communicating door；
If the first air-introduced machine outlet electrically operated gate has been opened, and the second pressure fan outlet electrically operated gate has been opened, and pressure fan is exported
Main pipe communicating door has been opened, and judges whether that the first air-introduced machine has been turned on；If first air-introduced machine is not actuated, startup first is sent
The instruction of air-introduced machine；
If first air-introduced machine has been turned on, judge whether that the first air-introduced machine entrance electrically operated gate has been opened；If described
One air-introduced machine entrance electrically operated gate is not opened, and sends the instruction for opening the first air-introduced machine entrance electrically operated gate；
If the first air-introduced machine entrance electrically operated gate has been opened, judge whether that the first pressure fan has been turned on；If described
One pressure fan is not actuated, sends the instruction for starting first pressure fan；
If first pressure fan has been turned on, judge whether that the first pressure fan outlet electrically operated gate has been opened, and the second air-supply
Machine outlet electrically operated gate has been closed；If the first pressure fan outlet electrically operated gate is not opened, and/or second pressure fan outlet is electronic
Men Weiguan, sends and opens the instruction that the first pressure fan exports electrically operated gate, and closes the instruction that the second pressure fan exports electrically operated gate；
If the first pressure fan outlet electrically operated gate has been opened, and second pressure fan outlet electrically operated gate has been closed, and is judged
Whether the second pressure fan has been turned on；If second pressure fan is not actuated, the instruction for starting the second pressure fan is sent；
If second pressure fan has been turned on, judge whether that the second pressure fan outlet electrically operated gate has been opened；If described
Two pressure fan outlet electrically operated gate is not opened, and is sent and is opened the instruction that the second pressure fan exports electrically operated gate；
If the second pressure fan outlet electrically operated gate has been opened, judge whether that the second air-introduced machine outlet electrically operated gate has been opened；Such as
Really described second air-introduced machine outlet electrically operated gate is not opened, and is sent and is opened the instruction that second air-introduced machine exports electrically operated gate；
If the second air-introduced machine outlet electrically operated gate has been opened, judge whether that the second air-introduced machine has been turned on；If described
Two air-introduced machines are not actuated, send the instruction for starting the second air-introduced machine；
If second air-introduced machine has been turned on, judge whether that the second air-introduced machine entrance electrically operated gate has been opened, and pressure fan goes out
Mouth main pipe communicating door has been closed；If the second air-introduced machine entrance electrically operated gate is not opened, and/or pressure fan outlet main pipe contact
Men Weiguan, sends the instruction for opening the second air-introduced machine entrance electrically operated gate, and close the instruction that pressure fan exports main pipe communicating door；
If the second air-introduced machine entrance electrically operated gate has been opened, and pressure fan outlet main pipe communicating door has been closed, and is judged whether
First air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane have thrown the automatic gear of negative pressure, and the first air blower inlet stator
The automatic gear of air quantity has been thrown with the second air blower inlet stator；If not, sending the first air-introduced machine inlet guide vane and second
Air-introduced machine inlet guide vane throws the instruction of the automatic gear of negative pressure, and by the first air blower inlet stator and the second air blower inlet stator
Throw the instruction of the automatic gear of air quantity.
The beneficial effect of the embodiment of the present invention is：Power plant boiler air and flue system provided in an embodiment of the present invention and its open
Stop control method can realize the automatic of boiler air and flue system under power plant boiler air and flue system full cut-off state；In fire
Under boiler of power plant air and flue system running status, being automatically stopped for boiler air and flue system is realized；And take into account artificial judgement, Ke Yishi
The leapfrog operation of existing power plant boiler air and flue system programed logic, when the service condition of a certain step of programed logic is full
Whether foot causes step sequence when cannot carry out, artificially Rule of judgment can ignore and operate leapfrog to act, and continues program control
The operation of logic processed is finished until starting.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of embodiment of the present invention power plant boiler air and flue system；
Fig. 2 is the Booting sequence schematic diagram of embodiment of the present invention power plant boiler air and flue system；
Fig. 3 is the stopping schematic flow sheet of embodiment of the present invention power plant boiler air and flue system.
Drawing reference numeral
1. the pressure fan of the first air blower inlet stator 2. first
3. the first pressure fan exports the air blower inlet stator of electrically operated gate 4. second
5. the pressure fan of the first pressure fan 6. first exports electrically operated gate
7. the air-introduced machine inlet guide vane of the first air-introduced machine entrance electrically operated gate 8. first
9. the air-introduced machine of the first air-introduced machine 10. first exports electrically operated gate
The air-introduced machine inlet guide vane of 11. second air-introduced machine entrance electrically operated gate 12. second
The air-introduced machine of 13. second air-introduced machine 14. second exports electrically operated gate
15. first air preheaters export the air preheater entrance electrically operated gate of electrically operated gate 16. first
The air preheater of 17. second air preheater entrance electrically operated gate 18. second exports electrically operated gate
The air preheater of 19. pressure fan outlet main pipe communicating door 20. first
The muffler of 21. second air preheater 22. first
23. second mufflers
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiment of the invention provides a kind of power plant boiler air and flue system, the system mainly includes first
Air preheater 20, the second air preheater 21, the first pressure fan 2, the second pressure fan 5, the first air-introduced machine 9, the second air-introduced machine
13rd, pressure fan outlet main pipe communicating door 19 and a plurality of pipeline.
First pressure fan 2 is connected by pipeline with the first air preheater 20, and air-supply is provided with the entrance of the first pressure fan 2
Machine inlet guide vane 1, pressure fan outlet electrically operated gate 3 is provided with its outlet.First air preheater 20 passes through two-way pipeline and boiler
Burner hearth is connected, and a pipeline is provided with air preheater outlet electrically operated gate 15 wherein, and air preheater entrance is provided with another pipeline
Electrically operated gate 16.First air-introduced machine 9 is arranged on the first air preheater 20 and leads on the pipeline of cigarette tower, the two of the first air-introduced machine 9
End is respectively equipped with entrance electrically operated gate 7 and outlet electrically operated gate 10, and is additionally provided with air-introduced machine entrance in the porch of the first air-introduced machine 9
Stator 8.
Similar, the second pressure fan 5 is connected by pipeline with the second air preheater 21, in the entrance of the second pressure fan 5
Air blower inlet stator 4 is provided with, pressure fan outlet electrically operated gate 6 is provided with its outlet.Second air preheater 21 passes through two-way pipe
Road is connected with boiler furnace, and a pipeline is provided with air preheater outlet electrically operated gate 18 wherein, and sky is provided with another pipeline
Pre- device entrance electrically operated gate 17.Second air-introduced machine 13 is arranged on the second air preheater 2 and leads on the pipeline of cigarette tower, in the second air inducing
Machine 13 is respectively arranged at two ends with entrance electrically operated gate 11 and outlet electrically operated gate 14, and is additionally provided with the porch of the second air-introduced machine 13
Air-introduced machine inlet guide vane 12.
The outlet main pipe of the outlet main pipe of the first pressure fan 2 and the second pressure fan 5 exports main pipe communicating door by pressure fan
19 connections.
As shown in figure 1, being additionally provided with other necessary pipeline, valves in embodiment of the present invention power plant boiler air and flue system
And related thermal technology's measuring point etc..Above-mentioned measuring point may, for example, be pressure-measuring-pointTemperature pointAnd flow measuring point
Deng measuring point.
In embodiments of the present invention, air of the pressure fan for needed for burner hearth fuel combustion is provided；Air-introduced machine is by burner hearth
High-temperature flue gas produced by interior burning suction out burner hearth and arrange to air, while maintaining combustion chamber draft burning.When air preheater runs
It is rotation, the air needed for burning is heated using the heat of flue gas.Outside air is sent into via two pressure fan, by sky
Enter secondary air box after pre- device heating, burner is distributed to by secondary air box combustion-supporting.The high-temperature flue gas produced after burning are via sky
After air preheater reclaims heat, suctioned out by air-introduced machine and enter air.Using power plant boiler wind and smoke provided in an embodiment of the present invention
System, can provide the secondary wind field of a trouble-free burning, stable operation to boiler.
In one embodiment, outside air is incorporated into the first air preheater 20 through the first pressure fan 2, heated laggard
Enter boiler furnace, or be incorporated into the second air preheater 21 through the second pressure fan 5, it is heated after enter boiler furnace.The
One pressure fan 2 and the second pressure fan 5 can be worked simultaneously, it is also possible to standby each other, be determined on a case-by-case basis, and the present invention is not limited
System.
In one embodiment, the high-temperature flue gas for being produced after Boiler Furnace chamber inner combustion reclaim heat through the first air preheater 20
Afterwards, extracted out by the first air-introduced machine 9, or through the second air preheater 21 reclaim heat after, extracted out by the second air-introduced machine 13.First
The air-introduced machine 13 of air-introduced machine 9 and second can be worked simultaneously, it is also possible to standby each other, be determined on a case-by-case basis, and the present invention is not limited
System.
In one embodiment, above-mentioned power plant boiler air and flue system also includes the first muffler 22 and the second muffler 23,
First muffler 22 is arranged at the inlet guide vane 1 of the first pressure fan 2, and the second muffler 23 is arranged on entering for the second pressure fan 5
At mouth stator 4, to mitigate air suction and noise.
In one embodiment, above-mentioned power plant boiler air and flue system also includes：Boiler wind and smoke system program control logic is pressed
Button A1, air inducing machine negative pressure automatic button A2 and air-supply fan delivery automatic button A3.Above-mentioned button can be arranged on distributed AC servo system
On the control panel of system.
The embodiment of the present invention additionally provides a kind of start-up and shut-down control method of power plant boiler air and flue system, the start-up and shut-down control side
The executive agent of method can be computer system or dcs.As shown in Fig. 2 the start-up and shut-down control method mainly includes
Following steps：
Step S101, judge whether 1. the first air preheater entrance electrically operated gate 16 and outlet electrically operated gate 15, the second air
2. and the first air-introduced machine entrance electrically operated gate 7 and outlet electrically operated gate pre-heater inlet electrically operated gate 17 and outlet electrically operated gate 18 have been closed,
10th, the second air-introduced machine entrance electrically operated gate 11 and outlet electrically operated gate 14 closed, 3. and the first pressure fan outlet electrically operated gate 3 and second
Pressure fan outlet electrically operated gate 6 has been closed, 4. and pressure fan outlet main pipe communicating door 19 has been closed, 5. and the first air-introduced machine inlet guide vane
8 and second air-introduced machine inlet guide vane 12 closed, 6. and the first air blower inlet stator 1 and the second air blower inlet stator 4 are equal
Close.If thering is one to be unsatisfactory in above-mentioned six conditions, step S102 is carried out, send the first air preheater entrance of closing
The instruction of electrically operated gate 16 and outlet electrically operated gate 15, the second air preheater entrance electrically operated gate 17 and outlet electrically operated gate 18, and close
The finger of the first air-introduced machine entrance electrically operated gate 7 and outlet electrically operated gate 10, the second air-introduced machine entrance electrically operated gate 11 and outlet electrically operated gate 13
Order, and close the instruction that the first pressure fan outlet electrically operated gate 3 and second pressure fan exports electrically operated gate 6, and closing pressure fan outlet
The instruction of main pipe communicating door 19, and the instruction of the first air-introduced machine inlet guide vane 8 and the second air-introduced machine inlet guide vane 12 is closed, and close
Close the instruction of the first air blower inlet stator 1 and the second air blower inlet stator 4.If above-mentioned six conditions meet simultaneously, enter
Row step S103.
The purpose of step S101-S102 is a series of valves for closing boiler air and flue system, is starting trouble air and flue system
Prepare.
Step S103, judge whether that the first air preheater 20 and the second air preheater 21 start.If two skies
Air preheater have one it is not actuated or not actuated, then carry out step S104, send the first air preheater 20 of startup and the
The instruction of two air preheaters 21.If two air preheaters start, step S105 is carried out.
Step S105, the entrance electrically operated gate 16 for judging whether the first air preheater 20 and outlet electrically operated gate 15, second are empty
The entrance electrically operated gate 17 and outlet electrically operated gate 18 of air preheater 21 have been opened.If an electrically operated gate is not switched on, then walked
Rapid S106, sends the first air preheater entrance electrically operated gate of unlatching 16 and outlet electrically operated gate 15, the second air preheater entrance electricity
The instruction of dynamic door 17 and outlet electrically operated gate 18.If the first air preheater entrance electrically operated gate 16 and outlet electrically operated gate 15, second
Air preheater entrance electrically operated gate 17 and outlet electrically operated gate 18 have been opened, and carry out step S107.
Step S107, judge whether 1. the first air-introduced machine outlet electrically operated gate 10 opened, 2. and the second pressure fan outlet it is electronic
3. and pressure fan outlet main pipe communicating door 19 has been opened door 3 has been opened,.If above three condition has one to be unsatisfactory for, or multiple
Condition is unsatisfactory for, then carry out step S108, sends and opens the instruction that the first air-introduced machine exports electrically operated gate 10, and opens the second air-supply
Machine exports the instruction of electrically operated gate 3, and the instruction for opening pressure fan outlet main pipe communicating door 19.If above three condition is simultaneously full
Foot, carries out step S109.
The purpose of step S107-S108 is to open a series of valves, is prepared to start the first air-introduced machine 9.
Step S109, judge whether that the first air-introduced machine 9 has been turned on.If the first air-introduced machine 9 is not actuated, step is carried out
S110, sends the instruction for starting the first air-introduced machine 9.If the first air-introduced machine 9 has been turned on, step S111 is carried out.
Step S111, judge whether that the first air-introduced machine entrance electrically operated gate 7 has been opened.If the first air-introduced machine entrance electrically operated gate 7
Do not open, carry out step S112, send the instruction for opening the first air-introduced machine entrance electrically operated gate 7.If the first air-introduced machine entrance is electronic
Door 7 has been opened, and carries out step S113.
Step S113, judge whether that the first pressure fan 2 has been turned on.If the first pressure fan 2 is not actuated, step is carried out
S114, sends the instruction for starting the first pressure fan 2.If the first pressure fan 3 has been turned on, step S115 is carried out.
Step S115, judge whether 1. the first pressure fan outlet electrically operated gate 3 opened, 2. and the second pressure fan outlet electrically operated gate
6 have closed.If above-mentioned two condition has one to be unsatisfactory for or be both unsatisfactory for, step S116 is carried out, send unlatching first
Pressure fan exports the instruction of electrically operated gate 3, and closes the instruction that the second pressure fan exports electrically operated gate 6.If above-mentioned two condition is same
When meet, carry out step S117.
Step S117, judge whether that the second pressure fan 5 has been turned on.If the second pressure fan 5 is not actuated, step is carried out
S118, sends the instruction for starting the second pressure fan 5.If the second pressure fan 5 has been turned on, step S119 is carried out.
Step S119, judge whether the second pressure fan outlet electrically operated gate 6 opened.If the second pressure fan exports electrically operated gate 6
Do not open, then carry out step S120, send and open the instruction that the second pressure fan exports electrically operated gate 6.If the second pressure fan outlet electricity
Dynamic door has been opened, and carries out step S121.
Step S121, judge whether the second air-introduced machine outlet electrically operated gate 14 opened.If the second air-introduced machine exports electrically operated gate
14 do not open, and carry out step S122, send and open the instruction that the second air-introduced machine exports electrically operated gate 14.If the second air-introduced machine outlet electricity
Dynamic door 14 has been opened, and carries out step S123.
Step S123, judge whether that the second air-introduced machine 13 has been turned on.If the second air-introduced machine 13 is not actuated, step is carried out
S124, sends the instruction for starting the second air-introduced machine 13.If the second air-introduced machine 13 has been turned on, step S125 is carried out.
2. and pressure fan outlet main pipe contact step S125, judge whether that 1. the second air-introduced machine entrance electrically operated gate 11 has been opened,
Door 19 has been closed.If above-mentioned two condition has one to be unsatisfactory for or two conditions are all unsatisfactory for, step S126 is carried out, sent out
Open the instruction of the second air-introduced machine entrance electrically operated gate 11, and the instruction for closing pressure fan outlet main pipe communicating door 19.If second draws
Fans entrance electrically operated gate 11 has been opened, and pressure fan outlet main pipe communicating door 19 has been closed, and carries out step S127.
Step S127, to judge whether that 1. the first air-introduced machine inlet guide vane 8 and the second air-introduced machine inlet guide vane 12 have been thrown negative
2. and the first air blower inlet stator 1 and the second air blower inlet stator 4 have thrown the automatic gear of air quantity automatic gear is pressed,.Such as
Fruit above-mentioned two condition has one to be unsatisfactory for or two conditions are all unsatisfactory for, then carry out step S128, sends the first air-introduced machine
8 and second air-introduced machine inlet guide vane of inlet guide vane 12 throws the instruction of the automatic gear of negative pressure, and by the He of the first air blower inlet stator 1
Second air blower inlet stator 4 throws the instruction of the automatic gear of air quantity.
After input air-introduced machine inlet guide vane negative pressure is automatic, air-introduced machine inlet guide vane follows the change of load, automatically controls stove
Thorax negative pressure.After input air blower inlet stator air quantity is automatic, air blower inlet stator follows the change of load, automatically controls burner hearth
Air quantity.
Start-up and shut-down control method shown in Fig. 2 is used to control the startup of power plant boiler air and flue system, therefore the start and stop shown in Fig. 2
Control method can also turn into the starting step of power plant boiler air and flue system.
In one embodiment, the enabled condition of startup step sequence is：1. air preheater lubricating oil system is normal；2. pressure fan
Lubricating oil system and air-introduced machine lubricating oil system are normal.That is, it is necessary to prejudge air preheater before step S101 is carried out
Whether lubricating oil system, pressure fan lubricating oil system and air-introduced machine lubricating oil system are normal, in above three lubricating oil system just
In the case of often trouble-free, boiler air and flue system is just allowed to start.
The embodiment of the present invention also provides a kind of start-up and shut-down control method of power plant boiler air and flue system, the start-up and shut-down control method
Executive agent can be computer system or dcs.As shown in figure 3, the start-up and shut-down control method mainly include with
Lower step：
Step S2101, judge whether that the first pressure fan 2 and the second pressure fan 5 have been run to minimum air quantity.If two
There is an off-duty in pressure fan to minimum air quantity or two equal off-duties of pressure fan to minimum air quantity, then carry out step S202,
Send the instruction for closing the first air blower inlet stator 1 and the second air blower inlet stator 4.If the first pressure fan 2 and second
Pressure fan 5 has been run to minimum air quantity, carries out step S203.
2. and the first air inducing step S203, judge whether that 1. the first pressure fan 2 and the second pressure fan 5 are out of service,
The air-introduced machine 13 of machine 9 and second is out of service.If above-mentioned blower fan have one it is not out of service, or multiple blower fan do not stop
Operation, then carry out step S204, sends the instruction of the pressure fan 5 of the first pressure fan out of service 2 and second, and out of service first
The instruction of the air-introduced machine 13 of air-introduced machine 9 and second.If two pressure fan and two air-introduced machines are out of service, step is carried out
S205。
Step S205, judge whether that 1. the first air blower inlet stator 1 and the second air blower inlet stator 4 have been closed, 2.
And first air-introduced machine inlet guide vane 8 and the second air-introduced machine inlet guide vane 12 closed.If having one in above-mentioned inlet guide vane not
Close, or multiple inlet guide vanes are not closed, then carry out step S206, send the air-supply of the first air blower inlet stator of closing 1 and second
The instruction of machine inlet guide vane 4, and close the instruction of the first air-introduced machine inlet guide vane 8 and the second air-introduced machine inlet guide vane 12.If
The inlet guide vane of aforementioned four blower fan has been closed, and carries out step S207.
Step S207, judge whether that the first air preheater 20 and the entrance flue gas temperature of the second air preheater 21 are less than
Preset temperature.If the entrance flue gas temperature of the first air preheater 20 and the second air preheater 21 is less than preset temperature, enter
Row step S208.
In one embodiment, above-mentioned preset temperature takes 120 °.
2. and first step S208, judge whether that 1. the first air preheater 20 and the second air preheater 21 have stopped,
Air preheater entrance electrically operated gate 16 and outlet electrically operated gate 15, the second air preheater entrance electrically operated gate 17 and outlet electrically operated gate 18
Close.If above-mentioned condition has one to be unsatisfactory for, or two conditions are all unsatisfactory for, then carry out step S209, send stopping
The instruction of the first air preheater 20 and the second air preheater 21, and close the first air preheater entrance electrically operated gate 16 and go out
The instruction of mouth electrically operated gate 15, the second air preheater entrance electrically operated gate 17 and outlet electrically operated gate 18.
Start-up and shut-down control method shown in Fig. 3 is used to control the stopping of power plant boiler air and flue system, therefore the start-up and shut-down control of Fig. 3
Method is properly termed as the stopping step of power plant boiler air and flue system.
In one embodiment, the enabled condition of stopping step sequence is：Boiler is out of service.That is, carry out step S201 it
It is preceding, it is necessary to whether prejudge boiler out of service, in the case where boiler is out of service, just allow to stop.
Start-up and shut-down control method shown in Fig. 2 and Fig. 3 is the program control of power plant boiler air and flue system in the embodiment of the present invention
Logic processed.Following functions can be realized using the programed logic：It is real under power plant boiler air and flue system full cut-off state
The automatic of existing boiler air and flue system；Under power plant boiler air and flue system running status, realize boiler air and flue system from
It is dynamic to stop；When power plant boiler air and flue system startup program is run to a certain step, condition is unsatisfactory for, if artificially judging the condition
Can ignore that, can manually carry out the operation that leapfrog action continues startup program, finished until boiler air and flue system starts.
Each step in start-up and shut-down control method shown in Fig. 2 and Fig. 3, first judges whether feedback receives, and continues if receiving
Next step；If do not received, instruction is sent, wait to be feedback receiving.When due feedback signal is not received, programme-control is patrolled
Collecting can rest on the step, wait operative.Power plant operations staff can find the current operation step unreceived feedback signal of sequence,
Artificially judge whether unreceived feedback signal influences continuing executing with for program programed logic.If the feedback signal does not influence
Present procedure control logic proceeds, and operations staff can operate leapfrog to act the execution for continuing programed logic；If
The feedback signal influences proceeding for present procedure control logic, then operations staff can not meet according to each found
Feedback signal, targetedly go investigation problem, until receiving the feedback signal, continue executing with programed logic.
By the start-up and shut-down control method in Fig. 2 and Fig. 3, can be realized under power plant boiler air and flue system full cut-off state
The automatic of boiler air and flue system；Under power plant boiler air and flue system running status, the automatic of boiler air and flue system is realized
Stop.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the present invention can be used and wherein include the computer of computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) is produced
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Apply specific embodiment in the present invention to be set forth principle of the invention and implementation method, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art,
According to thought of the invention, will change in specific embodiments and applications, in sum, in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of power plant boiler air and flue system, it is characterised in that the power plant boiler air and flue system includes：First air is pre-
Hot device, the second air preheater, the first pressure fan, the second pressure fan, the first air-introduced machine, the second air-introduced machine, pressure fan outlet are female
Tube contact door and a plurality of pipeline；
First pressure fan is connected by pipeline with first air preheater, is provided with first air blower inlet and sent
Fans entrance stator, pressure fan outlet electrically operated gate is provided with its outlet；First air preheater passes through two-way pipeline and pot
Stove burner hearth is connected, and a pipeline is provided with air preheater outlet electrically operated gate wherein, and air preheater entrance is provided with another pipeline
Electrically operated gate；First air-introduced machine is arranged on first air preheater and leads on the pipeline of cigarette tower, in first air inducing
Machine be respectively arranged at two ends with entrance electrically operated gate and outlet electrically operated gate, be additionally provided with air-introduced machine in the porch of first air-introduced machine and enter
Mouth stator；
Second pressure fan is connected by pipeline with second air preheater, is provided with second air blower inlet and sent
Fans entrance stator, pressure fan outlet electrically operated gate is provided with its outlet；Second air preheater passes through two-way pipeline and pot
Stove burner hearth is connected, and a pipeline is provided with air preheater outlet electrically operated gate wherein, and air preheater entrance is provided with another pipeline
Electrically operated gate；Second air-introduced machine is arranged on second air preheater and leads on the pipeline of cigarette tower, in second air inducing
Machine be respectively arranged at two ends with entrance electrically operated gate and outlet electrically operated gate, be additionally provided with air-introduced machine in the porch of second air-introduced machine and enter
Mouth stator；
The outlet main pipe of the outlet main pipe of first pressure fan and second pressure fan exports main pipe by the pressure fan
Communicating door is connected.
2. power plant boiler air and flue system according to claim 1, it is characterised in that outside air is through the described first air-supply
Machine is incorporated into first air preheater, it is heated after enter boiler furnace；And/or it is incorporated into institute through second pressure fan
State the second air preheater, it is heated after enter boiler furnace.
3. power plant boiler air and flue system according to claim 1, it is characterised in that produced after Boiler Furnace chamber inner combustion
After high-temperature flue gas reclaim heat through first air preheater, extracted out by first air-introduced machine；And/or it is empty through described second
After air preheater reclaims heat, extracted out by second air-introduced machine.
4. power plant boiler air and flue system according to claim 1, it is characterised in that the power plant boiler air and flue system
Also include：First muffler and the second muffler, first muffler are arranged at the inlet guide vane of first pressure fan,
Second muffler is arranged at the inlet guide vane of second pressure fan.
5. power plant boiler air and flue system according to claim 1, it is characterised in that the power plant boiler air and flue system
Also include：Boiler wind and smoke system program control logic button, air inducing machine negative pressure automatic button and air-supply fan delivery automatic button.
6. a kind of power plant boiler air and flue system start-up and shut-down control method, it is characterised in that the power plant boiler air and flue system is opened
Stop control method includes：
Judge whether the first air preheater entrance electrically operated gate and outlet electrically operated gate, the second air preheater entrance electrically operated gate and go out
Mouth electrically operated gate has been closed, and the first air-introduced machine entrance electrically operated gate and outlet electrically operated gate, the second air-introduced machine entrance electrically operated gate and outlet
Electrically operated gate has been closed, and the first pressure fan outlet electrically operated gate and the second pressure fan outlet electrically operated gate have been closed, and pressure fan is exported
Main pipe communicating door has been closed, and the first air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane have been closed, and the first pressure fan enters
Mouth stator and the second air blower inlet stator have been closed；If not, sending the first air preheater entrance electrically operated gate of closing and going out
The instruction of mouth electrically operated gate, the second air preheater entrance electrically operated gate and outlet electrically operated gate, and the first air-introduced machine entrance of closing is electronic
The instruction of door and outlet electrically operated gate, the second air-introduced machine entrance electrically operated gate and outlet electrically operated gate, and close the first pressure fan outlet electricity
Dynamic door and the second pressure fan export the instruction of electrically operated gate, and close the instruction that pressure fan exports main pipe communicating door, and close first
The instruction of air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane, and close the first air blower inlet stator and the second pressure fan
The instruction of inlet guide vane；
If it is, judging whether that the first air preheater and the second air preheater start；If the first air preheater is not
Start and/or the second air preheater is not actuated, send the instruction for starting the first air preheater and the second air preheater；
If the first air preheater and the second air preheater start, judge whether that the entrance of the first air preheater is electronic
Door and outlet electrically operated gate, the entrance electrically operated gate of the second air preheater and outlet electrically operated gate have been opened；If not, sending unlatching
The entrance electrically operated gate of one air preheater and outlet electrically operated gate, the entrance electrically operated gate of the second air preheater and outlet electrically operated gate
Instruction；
If the entrance electrically operated gate of the first air preheater and outlet and go out electrically operated gate, the entrance electrically operated gate of the second air preheater
Mouth electrically operated gate has been opened, and judges whether that the first air-introduced machine outlet electrically operated gate has been opened, and the second pressure fan outlet electrically operated gate has been opened, and
Pressure fan outlet main pipe communicating door has been opened；If not, send opening the instruction that the first air-introduced machine exports electrically operated gate, and open second
Pressure fan exports the instruction of electrically operated gate, and opens the instruction that pressure fan exports main pipe communicating door；
If the first air-introduced machine outlet electrically operated gate has been opened, and the second pressure fan outlet electrically operated gate has been opened, and pressure fan outlet main pipe
Communicating door has been opened, and judges whether that the first air-introduced machine has been turned on；If first air-introduced machine is not actuated, the first air inducing of startup is sent
The instruction of machine；
If first air-introduced machine has been turned on, judge whether that the first air-introduced machine entrance electrically operated gate has been opened；If described first draws
Fans entrance electrically operated gate is not opened, and sends the instruction for opening the first air-introduced machine entrance electrically operated gate；
If the first air-introduced machine entrance electrically operated gate has been opened, judge whether that the first pressure fan has been turned on；If described first send
Blower fan is not actuated, sends the instruction for starting first pressure fan；
If first pressure fan has been turned on, judge whether that the first pressure fan outlet electrically operated gate has been opened, and the second pressure fan goes out
Mouth electrically operated gate has been closed；If the first pressure fan outlet electrically operated gate is not opened, and/or second pressure fan outlet electrically operated gate is not
Close, send and open the instruction that the first pressure fan exports electrically operated gate, and close the instruction that the second pressure fan exports electrically operated gate；
If the first pressure fan outlet electrically operated gate has been opened, and second pressure fan outlet electrically operated gate has been closed, and is judged whether
Second pressure fan has been turned on；If second pressure fan is not actuated, the instruction for starting the second pressure fan is sent；
If second pressure fan has been turned on, judge whether that the second pressure fan outlet electrically operated gate has been opened；If described second send
Fan outlet electrically operated gate is not opened, and is sent and is opened the instruction that the second pressure fan exports electrically operated gate；
If the second pressure fan outlet electrically operated gate has been opened, judge whether that the second air-introduced machine outlet electrically operated gate has been opened；If institute
State the second air-introduced machine outlet electrically operated gate not opening, send and open the instruction that second air-introduced machine exports electrically operated gate；
If the second air-introduced machine outlet electrically operated gate has been opened, judge whether that the second air-introduced machine has been turned on；If described second draws
Blower fan is not actuated, sends the instruction for starting the second air-introduced machine；
If second air-introduced machine has been turned on, judge whether that the second air-introduced machine entrance electrically operated gate has been opened, and pressure fan outlet is female
Tube contact door has been closed；If the second air-introduced machine entrance electrically operated gate is not opened, and/or pressure fan outlet main pipe communicating door is not
Close, send the instruction for opening the second air-introduced machine entrance electrically operated gate, and close the instruction that pressure fan exports main pipe communicating door；
If the second air-introduced machine entrance electrically operated gate has been opened, and pressure fan outlet main pipe communicating door has been closed, and judges whether first
Air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane have thrown the automatic gear of negative pressure, and the first air blower inlet stator and
Two air blower inlet stators have thrown the automatic gear of air quantity；If not, sending the first air-introduced machine inlet guide vane and the second air inducing
Machine inlet guide vane throws the instruction of the automatic gear of negative pressure, and the first air blower inlet stator and the second air blower inlet stator are thrown into wind
Measure the instruction of automatic gear.
7. power plant boiler air and flue system start-up and shut-down control method according to claim 6, it is characterised in that the thermal power plant
Boiler air and flue system start-up and shut-down control method also includes：
Judge whether that the first pressure fan and the second pressure fan have been run to minimum air quantity；If first pressure fan and/or
Second pressure fan off-duty sends the finger for closing the first air blower inlet stator and the second air blower inlet stator to minimum air quantity
Order；
If first pressure fan and the second pressure fan have been run to minimum air quantity, judge whether the first pressure fan and second
Pressure fan is out of service, and the first air-introduced machine and the second air-introduced machine are out of service；If not, sending out of service
The instruction of one pressure fan and the second pressure fan, and the first air-introduced machine out of service and the second air-introduced machine instruction；
If first pressure fan and the second pressure fan are out of service, and first air-introduced machine and the second air-introduced machine are equal
It is out of service, judge whether that the first air blower inlet stator and the second air blower inlet stator have been closed, and the first air-introduced machine
Inlet guide vane and the second air-introduced machine inlet guide vane have been closed；If not, send closing the first air blower inlet stator and second sending
The instruction of fans entrance stator, and close the instruction of the first air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane；
If the first air blower inlet stator and the second air blower inlet stator have been closed, and the first air-introduced machine entrance
Stator and the second air-introduced machine inlet guide vane have been closed, and judge whether the entrance cigarette of the first air preheater and the second air preheater
Temperature degree is less than preset temperature；
If the entrance flue gas temperature of first air preheater and the second air preheater is less than the preset temperature, judge
Whether the first air preheater and the second air preheater have stopped, and the first air preheater entrance electrically operated gate and outlet are electronic
Door, the second air preheater entrance electrically operated gate and outlet electrically operated gate have been closed；If not, sending the first air preheater of stopping and the
The instruction of two air preheaters, and close the first air preheater entrance electrically operated gate and outlet electrically operated gate, the second air preheater
The instruction of entrance electrically operated gate and outlet electrically operated gate.
8. power plant boiler air and flue system start-up and shut-down control method according to claim 6, it is characterised in that the thermal power plant
Boiler air and flue system start-up and shut-down control method also includes：
Judge whether that air preheater lubricating oil system is normal, and pressure fan lubricating oil system and air-introduced machine lubricating oil system are just
Often；
If air preheater lubricating oil system is normal, and pressure fan lubricating oil system and air-introduced machine lubricating oil system are normal, sentence
It is disconnected that whether the first air preheater entrance electrically operated gate is electronic with outlet electrically operated gate, the second air preheater entrance electrically operated gate and outlet
Men Junyi is closed, and the first air-introduced machine entrance electrically operated gate and outlet electrically operated gate, the second air-introduced machine entrance electrically operated gate and outlet electrically operated gate
Close, and the first pressure fan outlet electrically operated gate and the second pressure fan outlet electrically operated gate have been closed, and pressure fan outlet main pipe connection
Network door has been closed, and the first air-introduced machine inlet guide vane and the second air-introduced machine inlet guide vane have been closed, and the first air blower inlet stator
Closed with the second air blower inlet stator.
9. power plant boiler air and flue system start-up and shut-down control method according to claim 7, it is characterised in that the thermal power plant
Boiler air and flue system start-up and shut-down control method also includes：
Judge whether that boiler is out of service；
If boiler is out of service, judge whether that the first pressure fan and the second pressure fan have been run to minimum air quantity.
10. power plant boiler air and flue system start-up and shut-down control method according to claim 7, it is characterised in that described default
Temperature is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710046248.5A CN106765287B (en) | 2017-01-22 | 2017-01-22 | Boiler smoke system of thermal power plant and start-stop control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710046248.5A CN106765287B (en) | 2017-01-22 | 2017-01-22 | Boiler smoke system of thermal power plant and start-stop control method thereof |
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| CN106765287B CN106765287B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413639A (en) * | 2020-11-17 | 2021-02-26 | 上海呈彧智能科技有限公司 | Intelligent control method and system for combustion-supporting air volume of heating furnace group |
| WO2023124588A1 (en) * | 2021-12-27 | 2023-07-06 | 深圳能源环保股份有限公司 | Air draft system for preventing odor from escaping during furnace starting and stopping in waste incineration power plant |
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| CN112413639A (en) * | 2020-11-17 | 2021-02-26 | 上海呈彧智能科技有限公司 | Intelligent control method and system for combustion-supporting air volume of heating furnace group |
| WO2023124588A1 (en) * | 2021-12-27 | 2023-07-06 | 深圳能源环保股份有限公司 | Air draft system for preventing odor from escaping during furnace starting and stopping in waste incineration power plant |
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| CN106765287B (en) | 2023-07-11 |
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