CN110397949A - A kind of establishment method of power boiler burning intelligence air distribution model - Google Patents
A kind of establishment method of power boiler burning intelligence air distribution model Download PDFInfo
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- CN110397949A CN110397949A CN201910673824.8A CN201910673824A CN110397949A CN 110397949 A CN110397949 A CN 110397949A CN 201910673824 A CN201910673824 A CN 201910673824A CN 110397949 A CN110397949 A CN 110397949A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of establishment methods of power boiler burning intelligence air distribution model, the following steps are included: S1: for burning boiler, it mainly include First air and Secondary Air into the air in furnace, First air carries coal dust and enters burner hearth from fuel nozzle, Secondary Air is entered in furnace through controllable register from air nozzle by bellows, one time wind flow is determined by the coal-supplying amount of coal pulverizer, and First air flow resistance is provided by primary air fan；The secondary air flow being sent into furnace from air nozzle is decided by the pressure of bellows and the baffle opening of the nozzle, and Secondary Air flow resistance is provided by air supply device；S2: determining objective for implementation is furnished with 5 medium-speed pulverizers；The present invention, by establishing air distribution model, so that boiler wind speed adjustment is reasonable, it can be effectively reduced heat loss due to exhaust gas so that burning is more stable by reasonably adjusting wind powder ratio, unburned carbon in flue dust is reduced, the machinery of coal dust and the heat loss of chemically incomplete combustion are reduced, improves boiler efficiency.
Description
Technical field
The present invention relates to boiler plant field, specially a kind of establishment method of power boiler burning intelligence air distribution model.
Background technique
In recent years, with the raising of environmental requirement, large-scale low nitrogen nitride combustion technology has been carried out to station boiler and has been changed
It makes, burner reconstruction causes the concern of production technician to the influence of boiler operating parameter；Wherein, emitting nitride amount is not up to
It is more universal problem to design value；And the major influence factors of nitride combustion technology are to change furnace air and dyestuff
Distribution；It usually requires to carry out reasonable wind distribution, air distribution model in the prior art, operation difficulty is big, and there are large errors, in air distribution
During, if wind speed is uneven, same product burned flame center deflection will be caused, cause furnace internal heating surface temperature uneven
Weighing apparatus, seriously affects boiler efficiency and system operational safety, therefore, designs a kind of establishment of power boiler burning intelligence air distribution model
Method is necessary.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of establishment method of power boiler burning intelligence air distribution model
The problem of being proposed in background technique.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of establishment method of power boiler burning intelligence air distribution model, comprising the following steps:
S1: mainly including First air and Secondary Air into the air in furnace for burning boiler, First air carries coal dust from fuel
Nozzle enters burner hearth, and Secondary Air is entered in furnace through controllable register from air nozzle by bellows, wind flow giving by coal pulverizer
Coal amount determines that First air flow resistance is provided by primary air fan；The secondary air flow being sent into furnace from air nozzle is decided by wind
The baffle opening of case pressure and the nozzle, Secondary Air flow resistance are provided by air supply device；
S2: determining objective for implementation is furnished with 5 medium-speed pulverizers, and for every coal pulverizer to 4 burner powder supplies of same layer, the furnace is shared
5 layers of coal nozzle, are successively denoted as A, B, C, D, E from bottom to up, are wherein also equipped with plasma igniter in A layers of coal nozzle, empty
Totally 19 layers of gas jets, 4 every layer, for 76 air nozzles, the flow of overfire air jet is controlled by 15 secondary air dampers；
S3: by the specifications and models of coal pulverizer and boiler, determine and establish coal pulverizer coal input quantity and ventilation quantity, hair wind-warm syndrome,
The data such as wind pressure, meanwhile, according to coal supply situation, the elemental composition data of coal are established, and count to data；
S4: by carrying out aperture experiment to secondary air damper, different load breakpoint is taken, maintains the same of steady load in the load point
When, secondary air damper is gradually turned down, the aperture of the additional ventilation flap of each coal pulverizer and the variation feelings of unit DS NOx Est amount are observed
Condition establishes secondary air damper aperture data；
S5: it carries out calculating the wind speed for solving overfire air jet, input ginseng on 6.0 platform of Microsoft Visual Basic
Number is the data such as coal pulverizer coal input quantity and ventilation quantity, the elemental composition of coal, hair wind-warm syndrome, wind pressure and secondary air damper aperture, meter
Calculation obtains nozzle wind velocity, different location excess air coefficient in flow and furnace, to realize the inspection of wind powder distribution in furnace
It surveys；
S6: by realizing the detection to wind powder distribution in furnace, so as to establish power boiler burning intelligence air distribution model,
By reasonably adjusting wind powder ratio, after the resistance leveling in air piping system, the flow velocity size in each primary air piping can be succinct
Reflect the size of coal powder density in outlet pipe；Air volume can adjust wind speed according to load lifting, coal quality situation at any time, make boiler
Burning run under more economical operating condition always.
As a further solution of the present invention: in the step S2,19 layers of air nozzle are respectively: 1) SOFA nozzle, altogether
4 layers, be SOFA1, SOFA2, SOFA3 and SOFA4 respectively；2) secondary air nozzle: totally 3 layers, be CD, DE and EE layer two respectively
Secondary wind；3) oil gun overfire air jet: totally 2 layers, be AB, BC layers of oil gun Secondary Air respectively；4) the surrounding air nozzle of coal nozzle: altogether
5 layers, be A surrounding air, B surrounding air, C surrounding air, D surrounding air, E surrounding air respectively;5) adherent wind nozzle: totally 4 layers, it is respectively
BC, DE, EE and FF layers of adherent wind；6) bottom AA Secondary Air.
As a further solution of the present invention: in the step S4, the closing of secondary air damper with 10% for one grade gradually
It turns down.
As a further solution of the present invention: in the step S5, the wind speed measured being connect with alarm system, works as wind speed
When occurring abnormal, system should issue warning, and trapezoidal boiler operatiopn personnel take corresponding measure, prevent the disconnected powder phenomenon of plugging
Occur.
As a further solution of the present invention: in the step S1, air supply device include cabinet, cover board, pressure fan ontology,
Discharge pipe, the first reticular lamina, Buffer Unit, connecting tube, trash extraction box, activated charcoal strainer, sulfide filter screen, sandstone filtering
Net, the second reticular lamina, blast pipe, mounting bracket, rubber slab, mounting flange, location hole, outlet air attachment base, electric-controlled plate, installation bottom
Plate and installation pedestal, the bottom surrounding of the mounting base is by being installed by welding with installation pedestal, the top of the mounting base
Portion center is equipped with cabinet by bolt, and the inside bottom of the cabinet is equipped with mounting bracket, and mounting bracket by screw
Underfill have rubber slab, the top side of the mounting bracket is equipped with pressure fan ontology, the pressure fan by bolt
The side of ontology is equipped with discharge pipe by bolt, and the side of discharge pipe is equipped with the first reticular lamina, the pressure fan ontology
The other side be connected and installed with connecting tube, and one end of connecting tube is provided with trash extraction box, and the inside of the trash extraction box is fixed respectively
Activated charcoal strainer, sulfide filter screen and sandstone filter screen are installed, the other side of the trash extraction box is equipped with by bolt
Blast pipe, and one end of blast pipe is fixedly installed with the second reticular lamina, the blast pipe is connect by the second reticular lamina with the external world,
The external side of the cabinet is equipped with mounting flange by bolt, and mounting flange offers several location holes, the peace
The outside of flange is filled by being installed by welding with outlet air attachment base, and discharge pipe is connect by the first reticular lamina with outlet air attachment base,
The other side of the cabinet is equipped with electric-controlled plate by screw, and the top of the cabinet is equipped with cover board by bolt.
As a further solution of the present invention: Buffer Unit, the buffering group are provided at the top of the pressure fan ontology
Part includes vibration damper plate, partition and damping spring, and the partition is mounted on the inside top of cabinet by screw, the vibration damper plate
Bottom is fitted and connected with pressure fan ontology, and there are two damping springs for the partition and vibration damper plate fixed installation.
Beneficial effects of the present invention: the present invention, so that boiler wind speed adjustment is reasonable, is led to by establishing the intelligent air distribution model that burns
Reasonably adjustment wind powder ratio is crossed, so that burning is more stable, heat loss due to exhaust gas is can be effectively reduced, reduces unburned carbon in flue dust,
The machinery of coal dust and the heat loss of chemically incomplete combustion are reduced, boiler efficiency is improved；Meanwhile during being blown,
By air supply device, the impurity in air effectively can be filtered removing, then by filtered air delivery into boiler,
Burning quality can be effectively improved, avoids the impurity in air in burning, influences the efficiency of combustion of coal dust；And pass through buffering
Component can have good protecting effect to air supply device, be conducive to extend service life.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the overall structure diagram of air supply device of the present invention；
Fig. 2 is the cross-sectional view of cabinet of the present invention；
Fig. 3 is the cross-sectional view of Buffer Unit of the present invention；
In figure: 1, cabinet；2, cover board；3, pressure fan ontology；4, discharge pipe；5, the first reticular lamina；6, Buffer Unit；7, damping
Plate；8, partition；9, damping spring；10, connecting tube；11, trash extraction box；12, activated charcoal strainer；13, sulfide filter screen；14,
Sandstone filter screen；15, the second reticular lamina；16, blast pipe；17, mounting bracket；18, rubber slab；19, mounting flange；20, it positions
Hole；21, outlet air attachment base；22, electric-controlled plate；23, mounting base；24, installation pedestal.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
As shown in Figure 1-3, a kind of establishment method of power boiler burning intelligence air distribution model, comprising the following steps:
S1: mainly including First air and Secondary Air into the air in furnace for burning boiler, First air carries coal dust from fuel
Nozzle enters burner hearth, and Secondary Air is entered in furnace through controllable register from air nozzle by bellows, wind flow giving by coal pulverizer
Coal amount determines that First air flow resistance is provided by primary air fan；The secondary air flow being sent into furnace from air nozzle is decided by wind
The baffle opening of case pressure and the nozzle, Secondary Air flow resistance are provided by air supply device；
Wherein, air supply device includes cabinet 1, cover board 2, pressure fan ontology 3, discharge pipe 4, the first reticular lamina 5, Buffer Unit 6, connects
Adapter tube 10, trash extraction box 11, activated charcoal strainer 12, sulfide filter screen 13, sandstone filter screen 14, the second reticular lamina 15, air inlet
Pipe 16, mounting bracket 17, rubber slab 18, mounting flange 19, location hole 20, outlet air attachment base 21, electric-controlled plate 22, mounting base 23
With installation pedestal 24, the bottom surrounding of mounting base 23 is by being installed by welding with installation pedestal 24, the top of mounting base 23
Center is equipped with cabinet 1 by bolt, and the inside bottom of cabinet 1 is equipped with mounting bracket 17, and mounting bracket 17 by screw
Underfill have rubber slab 18, the top side of mounting bracket 17 is equipped with pressure fan ontology 3, pressure fan ontology by bolt
3 side is equipped with discharge pipe 4 by bolt, and the side of discharge pipe 4 is equipped with the first reticular lamina 5, pressure fan ontology 3 it is another
Side is connected and installed with connecting tube 10, and one end of connecting tube 10 is provided with trash extraction box 11, and the inside of trash extraction box 11 is fixed respectively
Activated charcoal strainer 12, sulfide filter screen 13 and sandstone filter screen 14 are installed, the other side of trash extraction box 11 is pacified by bolt
One end equipped with blast pipe 16, and blast pipe 16 is fixedly installed with the second reticular lamina 15, and blast pipe 16 passes through the second reticular lamina 15
It is connect with the external world, the top of pressure fan ontology 3 is provided with Buffer Unit 6, and Buffer Unit 6 includes vibration damper plate 7, partition 8 and damping
Spring 9, partition 8 are mounted on the inside top of cabinet 1 by screw, and bottom and the pressure fan ontology 3 of vibration damper plate 7 are fitted and connected,
Partition 8 and vibration damper plate 7 are fixedly mounted there are two damping spring 9, have good buffering effect；The external side of cabinet 1 passes through
Bolt is equipped with mounting flange 19, and mounting flange 19 offers several location holes 20, and the outside of mounting flange 19 passes through weldering
It connects and outlet air attachment base 21 is installed, and discharge pipe 4 is connect by the first reticular lamina 5 with outlet air attachment base 21, the other side of cabinet 1
Electric-controlled plate 22 is installed by screw, the top of cabinet 1 is equipped with cover board 2 by bolt；
In use, mounting base 23 is supported by installation pedestal 24, the air supply duct connecting with boiler is passed through into installation
After location hole 20 on flange 19 is fixedly connected with outlet air attachment base 21, sending for 17 top of mounting bracket is made by electric-controlled plate 22
Fan body 3 works, and pressure fan ontology 3 generates suction when working, and is inhaled outside air through the second net loading board by blast pipe 16
After entering, after the large granular impurity in air is blocked by the filtering of the second reticular lamina 15, air enters the inside of trash extraction box 11, by sand
Little particle sandstone is filtered by stone filter screen 14, filters sulfide through persulfide filter screen 13, then passes through active carbon mistake
Strainer 12 absorbs and filter the fine impurities in air, and filtered air carries out the inside of pressure fan ontology 3 through connecting tube 10,
It is transported in outlet air attachment base 21 through discharge pipe 4 and the first reticular lamina 5 again, boiler internal is transported to by boiler air supply duct；
When shaking, the rubber slab 18 inside cabinet 1 can be avoided vibration and cause to impact to the bottom of pressure fan ontology 3, pass through
Buffer Unit 6 is avoided so that vibration damper plate 7 causes to squeeze to the damping spring 9 of 8 side of partition by damping spring 9
Vibration causes to impact to the top of pressure fan ontology 3；In routine use, can be convenient for dismantling cabinet 1 by cover board 2；The
One reticular lamina 5 can be avoided the inside that extraneous large granular impurity enters pressure fan ontology 3 in outlet air attachment base 21；
S2: determining objective for implementation is furnished with 5 medium-speed pulverizers, and for every coal pulverizer to 4 burner powder supplies of same layer, the furnace is shared
5 layers of coal nozzle, are successively denoted as A, B, C, D, E from bottom to up, are wherein also equipped with plasma igniter in A layers of coal nozzle, empty
Totally 19 layers of gas jets, 4 every layer, for 76 air nozzles, the flow of overfire air jet is controlled by 15 secondary air dampers；19 layers
Air nozzle is respectively: 1) SOFA nozzle, and totally 4 layers, be SOFA1, SOFA2, SOFA3 and SOFA4 respectively；2) secondary air sprays
Mouth: totally 3 layers, be CD, DE and EE layers of Secondary Air respectively；3) oil gun overfire air jet: totally 2 layers, be that AB, BC layers of oil gun are secondary respectively
Wind；4) the surrounding air nozzle of coal nozzle: totally 5 layers, be A surrounding air, B surrounding air, C surrounding air, D surrounding air, E circumference respectively
Wind;5) adherent wind nozzle: totally 4 layers, be BC, DE, EE and FF layers of adherent wind respectively；6) bottom AA Secondary Air；
S3: by the specifications and models of coal pulverizer and boiler, determine and establish coal pulverizer coal input quantity and ventilation quantity, hair wind-warm syndrome,
The data such as wind pressure, meanwhile, according to coal supply situation, the elemental composition data of coal are established, and count to data；
S4: by carrying out aperture experiment to secondary air damper, different load breakpoint is taken, maintains the same of steady load in the load point
When, secondary air damper is gradually turned down, the closing of secondary air damper is gradually turned down with 10% for one grade；Observe the auxiliary of each coal pulverizer
The aperture of air door and the situation of change of unit DS NOx Est amount are helped, secondary air damper aperture data are established；
S5: it carries out calculating the wind speed for solving overfire air jet, input ginseng on 6.0 platform of Microsoft Visual Basic
Number is the data such as coal pulverizer coal input quantity and ventilation quantity, the elemental composition of coal, hair wind-warm syndrome, wind pressure and secondary air damper aperture, meter
Calculation obtains nozzle wind velocity, different location excess air coefficient in flow and furnace, and the wind speed measured is connect with alarm system, works as wind
When speed occurs abnormal, system should issue warning, and trapezoidal boiler operatiopn personnel take corresponding measure, prevent the disconnected powder phenomenon of plugging
Generation；To realize the detection of wind powder distribution in furnace；
S6: by realizing the detection to wind powder distribution in furnace, so as to establish power boiler burning intelligence air distribution model,
By reasonably adjusting wind powder ratio, after the resistance leveling in air piping system, the flow velocity size in each primary air piping can be succinct
Reflect the size of coal powder density in outlet pipe；Air volume can adjust wind speed according to load lifting, coal quality situation at any time, make boiler
Burning run under more economical operating condition always.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of establishment method of power boiler burning intelligence air distribution model, which comprises the following steps:
S1: mainly including First air and Secondary Air into the air in furnace for burning boiler, First air carries coal dust from fuel
Nozzle enters burner hearth, and Secondary Air is entered in furnace through controllable register from air nozzle by bellows, wind flow giving by coal pulverizer
Coal amount determines that First air flow resistance is provided by primary air fan；The secondary air flow being sent into furnace from air nozzle is decided by wind
The baffle opening of case pressure and the nozzle, Secondary Air flow resistance are provided by air supply device；
S2: determining objective for implementation is furnished with 5 medium-speed pulverizers, and for every coal pulverizer to 4 burner powder supplies of same layer, the furnace is shared
5 layers of coal nozzle, are successively denoted as A, B, C, D, E from bottom to up, are wherein also equipped with plasma igniter in A layers of coal nozzle, empty
Totally 19 layers of gas jets, 4 every layer, for 76 air nozzles, the flow of overfire air jet is controlled by 15 secondary air dampers；
S3: by the specifications and models of coal pulverizer and boiler, determine and establish coal pulverizer coal input quantity and ventilation quantity, hair wind-warm syndrome,
The data such as wind pressure, meanwhile, according to coal supply situation, the elemental composition data of coal are established, and count to data；
S4: by carrying out aperture experiment to secondary air damper, different load breakpoint is taken, maintains the same of steady load in the load point
When, secondary air damper is gradually turned down, the aperture of the additional ventilation flap of each coal pulverizer and the variation feelings of unit DS NOx Est amount are observed
Condition establishes secondary air damper aperture data；
S5: it carries out calculating the wind speed for solving overfire air jet, input ginseng on 6.0 platform of Microsoft Visual Basic
Number is the data such as coal pulverizer coal input quantity and ventilation quantity, the elemental composition of coal, hair wind-warm syndrome, wind pressure and secondary air damper aperture, meter
Calculation obtains nozzle wind velocity, different location excess air coefficient in flow and furnace, to realize the inspection of wind powder distribution in furnace
It surveys；
S6: by realizing the detection to wind powder distribution in furnace, so as to establish power boiler burning intelligence air distribution model,
By reasonably adjusting wind powder ratio, after the resistance leveling in air piping system, the flow velocity size in each primary air piping can be succinct
Reflect the size of coal powder density in outlet pipe；Air volume can adjust wind speed according to load lifting, coal quality situation at any time, make boiler
Burning run under more economical operating condition always.
2. a kind of establishment method of power boiler burning intelligence air distribution model according to claim 1, which is characterized in that institute
State in step S2,19 layers of air nozzle are respectively: 1) SOFA nozzle, totally 4 layers, be respectively SOFA1, SOFA2, SOFA3 and
SOFA4；2) secondary air nozzle: totally 3 layers, be CD, DE and EE layers of Secondary Air respectively；3) oil gun overfire air jet: totally 2 layers,
It is AB, BC layers of oil gun Secondary Air respectively；4) the surrounding air nozzle of coal nozzle: totally 5 layers, be A surrounding air, B surrounding air, C respectively
Surrounding air, D surrounding air, E surrounding air;5) adherent wind nozzle: totally 4 layers, be BC, DE, EE and FF layers of adherent wind respectively；6) bottom
AA Secondary Air.
3. a kind of establishment method of power boiler burning intelligence air distribution model according to claim 1, which is characterized in that institute
It states in step S4, the closing of secondary air damper is gradually turned down with 10% for one grade.
4. a kind of establishment method of power boiler burning intelligence air distribution model according to claim 1, which is characterized in that institute
It states in step S5, the wind speed measured is connect with alarm system, when wind speed occurs abnormal, system should issue warning, trapezoidal pot
Furnace operations staff takes corresponding measure, prevents the generation of the disconnected powder phenomenon of plugging.
5. a kind of establishment method of power boiler burning intelligence air distribution model according to claim 1, which is characterized in that institute
State in step S1, air supply device include cabinet (1), cover board (2), pressure fan ontology (3), discharge pipe (4), the first reticular lamina (5),
Buffer Unit (6), connecting tube (10), trash extraction box (11), activated charcoal strainer (12), sulfide filter screen (13), sandstone filtering
Net (14), the second reticular lamina (15), blast pipe (16), mounting bracket (17), rubber slab (18), mounting flange (19), location hole
(20), outlet air attachment base (21), electric-controlled plate (22), mounting base (23) and installation pedestal (24), the mounting base (23)
By being installed by welding with installation pedestal (24), the center of top of the mounting base (23) is equipped with bottom surrounding by bolt
The inside bottom of cabinet (1), the cabinet (1) is equipped with mounting bracket (17) by screw, and the bottom of mounting bracket (17)
Filled with rubber slab (18), the top side of the mounting bracket (17) is equipped with pressure fan ontology (3) by bolt, described to send
The side of fan body (3) is equipped with discharge pipe (4) by bolt, and the side of discharge pipe (4) is equipped with the first reticular lamina
(5), the other side of the pressure fan ontology (3) is connected and installed with connecting tube (10), and one end of connecting tube (10) is provided with and removes
Miscellaneous case (11), the inside of the trash extraction box (11) are fixedly installed with activated charcoal strainer (12), sulfide filter screen (13) respectively
It is equipped with blast pipe (16) with the other side of sandstone filter screen (14), the trash extraction box (11) by bolt, and blast pipe (16)
One end be fixedly installed with the second reticular lamina (15), the blast pipe (16) is connect by the second reticular lamina (15) with extraneous, institute
The external side for stating cabinet (1) is equipped with mounting flange (19) by bolt, and mounting flange (19) offers several positioning
Hole (20), the outside of the mounting flange (19) is by being installed by welding with outlet air attachment base (21), and discharge pipe (4) passes through first
Reticular lamina (5) is connect with outlet air attachment base (21), and the other side of the cabinet (1) is equipped with electric-controlled plate (22), institute by screw
The top for stating cabinet (1) is equipped with cover board (2) by bolt.
6. a kind of establishment method of power boiler burning intelligence air distribution model according to claim 5, which is characterized in that institute
State and be provided at the top of pressure fan ontology (3) Buffer Unit (6), the Buffer Unit (6) include vibration damper plate (7), partition (8) and
Damping spring (9), the partition (8) are mounted on the inside top of cabinet (1) by screw, the bottom of the vibration damper plate (7) with
Pressure fan ontology (3) is fitted and connected, and there are two damping spring (9) for the partition (8) and vibration damper plate (7) fixed installation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112800572A (en) * | 2019-11-14 | 2021-05-14 | 上海明华电力科技有限公司 | Primary air and pulverized coal distribution optimization method based on numerical simulation set resistance |
| CN115193570A (en) * | 2022-06-30 | 2022-10-18 | 国家能源集团谏壁发电厂 | Air distribution control method and device, storage medium and equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2481617A1 (en) * | 2003-09-16 | 2005-03-16 | Praxair Technology, Inc. | Low nox combustion using cogenerated oxygen and nitrogen streams |
| CN102032590A (en) * | 2010-12-31 | 2011-04-27 | 北京华电天仁电力控制技术有限公司 | Boiler combustion optimizing control system and optimizing control method based on accurate measurement system |
| CN105160158A (en) * | 2015-08-12 | 2015-12-16 | 山东电力研究院 | Boiler secondary air damper characteristic test data processing method |
| CN105783025A (en) * | 2016-03-11 | 2016-07-20 | 国网山东省电力公司电力科学研究院 | Method for monitoring distribution of pulverized coal in low-NOx tangential coal-fired boiler |
| CN106895434A (en) * | 2017-02-06 | 2017-06-27 | 中国国电集团公司谏壁发电厂 | Low nitrogen burning autocontrol method under tower-type furnace Researched of Air Staging Combustion Burning Pulverized Coal mode |
| CN207960989U (en) * | 2018-03-04 | 2018-10-12 | 天津市志捷科技股份有限公司 | A kind of new coal powder boiler ventilating device |
| CN108800191A (en) * | 2018-06-29 | 2018-11-13 | 国网山东省电力公司电力科学研究院 | A kind of Dynamic Optimum method of tangential firing boiler Secondary Air air distribution |
-
2019
- 2019-07-24 CN CN201910673824.8A patent/CN110397949A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2481617A1 (en) * | 2003-09-16 | 2005-03-16 | Praxair Technology, Inc. | Low nox combustion using cogenerated oxygen and nitrogen streams |
| CN102032590A (en) * | 2010-12-31 | 2011-04-27 | 北京华电天仁电力控制技术有限公司 | Boiler combustion optimizing control system and optimizing control method based on accurate measurement system |
| CN105160158A (en) * | 2015-08-12 | 2015-12-16 | 山东电力研究院 | Boiler secondary air damper characteristic test data processing method |
| CN105783025A (en) * | 2016-03-11 | 2016-07-20 | 国网山东省电力公司电力科学研究院 | Method for monitoring distribution of pulverized coal in low-NOx tangential coal-fired boiler |
| CN106895434A (en) * | 2017-02-06 | 2017-06-27 | 中国国电集团公司谏壁发电厂 | Low nitrogen burning autocontrol method under tower-type furnace Researched of Air Staging Combustion Burning Pulverized Coal mode |
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| CN108800191A (en) * | 2018-06-29 | 2018-11-13 | 国网山东省电力公司电力科学研究院 | A kind of Dynamic Optimum method of tangential firing boiler Secondary Air air distribution |
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| CN115193570A (en) * | 2022-06-30 | 2022-10-18 | 国家能源集团谏壁发电厂 | Air distribution control method and device, storage medium and equipment |
| CN115193570B (en) * | 2022-06-30 | 2024-02-02 | 国家能源集团谏壁发电厂 | Air distribution control method, device, storage medium and equipment |
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Application publication date: 20191101 |