CN205579612U - System for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan - Google Patents
System for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan Download PDFInfo
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- CN205579612U CN205579612U CN201620233159.2U CN201620233159U CN205579612U CN 205579612 U CN205579612 U CN 205579612U CN 201620233159 U CN201620233159 U CN 201620233159U CN 205579612 U CN205579612 U CN 205579612U
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Abstract
The utility model discloses a system for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan, including economizer, denitrification facility, air heater, electrostatic precipitator, draught fan, desulphurization unit and dilution fan, the economizer is linked together with power boiler's export, desulphurization unit and chimney be linked together, denitrification facility, air heater, electrostatic precipitator, draught fan setting between economizer and desulphurization unit, be connected on the flue still dilutent tuber pipe way of collateral branch between economizer and denitrification facility, the system is in the export of draught fan with add dilutent fan entry between the entry of dilution fan and diluted wind with draught fan export communicating pipe, the ammonia that spouts of doing the hot flue gas retrieval and utilization of draught fan exhaust dilutent fan. Useless cold wind incorporation and draught fan power consumption, the former denitration reactor of improvement that this system not only can effectively reduce the power boiler system locate the flue -gas temperature, can also reduce each item pollutant emission volume.
Description
Technical field
This utility model relates to power station denitration device, specifically refers to take wind side for optimizing denitration device of power plant dilution air
The system of formula.
Background technology
Nitrogen oxides (NO, the NO produced by fire coal2And N2O) it is one of the important sources of current environmental pollution, these nitrogen oxygen
Compound can result in the series of problems such as photochemical fog, acid rain, ozone layer depletion, greenhouse effect.More and more tighter in order to adapt to
The emission request of lattice, domestic and international power plant starts to install and use denitrification apparatus the most successively.And in numerous method of denitration, selectivity is urged
Change reduction (SCR) method to be widely applied with technical matters and the stable denitration efficiency of its maturation.
The principle of SCR technology is (such as NH by reducing agent3), at moderate temperatures, and have under catalyst existence condition,
NOx conversion is nitrogen (N2) and water (H2O).By SCR denitration reaction temperature requirement, SCR denitration device need to be arranged on boiler
Economizer exit between the flue of air preheater entrance, the denitrification apparatus running temperature at this typically require be 300 DEG C～
400 DEG C, and dustiness is big.
SCR system typically by the stocking system of ammonia, ammonia preparation system, ammonia and air mixing systems, ammonia spray into system,
Benitration reactor system, detecting and controlling system etc. form.Wherein the equipment of ammonia and air mixing systems mainly by dilution air and
Blender forms, and enters ammonia for the ammonia conveying of ammonia preparation system come after air mixed diluting by a certain percentage
Spray into system, enter back into Benitration reactor system.
Common is a kind of that be positioned at boiler of power plant exit, and denitration device of power plant dilution air takes the cloth of the system of wind mode
Put structural representation as it is shown in figure 1, include economizer 2, denitrification apparatus 3, air preheater 4, electrostatic precipitator 5, air-introduced machine 6,
Desulfurizer 7 and dilution air 9, economizer 2 is connected with the outlet of boiler of power plant 1, and desulfurizer 7 is connected with chimney 8, de-
Nitre device 3, air preheater 4, electrostatic precipitator 5, air-introduced machine 6 are arranged between economizer 2 and desulfurizer 7, and along certainly
Economizer 2 is sequentially connected logical to the direction of desulfurizer 7 by flue, the connection flue between economizer 2 and denitrification apparatus 3
Upper also collateral branch one dilution wind pipeline 16, dilution wind pipeline 16 is connected with the outlet of dilution air 9, on dilution wind pipeline 16 also
Being provided with blender 11, and blender 11 is also connected with for ammonia pipeline 12, dilution air 9 sucks air by entrance, comes
Realize the dilution to the ammonia confessing ammonia pipeline 12.
Above-mentioned denitrification apparatus 3, air preheater 4, electrostatic precipitator 5, air-introduced machine 6 are for being set up in parallel and structure is identical
Two sets, dilution wind pipeline 16 is two, is respectively communicated with on the flue between two set denitrification apparatus 3 and economizer 2, dilution air
9 is two, is connected with a dilution wind pipeline 16 respectively.
Another kind of more common of that be positioned at boiler of power plant exit, what denitration device of power plant dilution air took wind mode is
System arrangement schematic diagram as in figure 2 it is shown, and the system shown in Fig. 1 unlike, the dilution air 9 in this system is four
Platform, is divided into two groups, and often group is two dilution airs being arranged side by side 9, and the exit of each dilution air 9 is provided with dilution
Fan outlet door 14.
At present, the dilution air in ammonia and air mixing systems takes wind source, power plant commonly used for air, it excellent
Point is for taking wind, low to dilution air property indices requirement on the spot, but shortcoming is dilution air takes elegance outside air,
This air themperature, well below the boiler smoke temperature in Benitration reactor system (denitrification apparatus), thereby results in boiler heat
Lose, and the incorporation of air adds steam generator system exhaust gas volumn, adds burden to follow-up each operation equipment, therefore, dilute wind
The dilution elegance air of machine had both been unfavorable for energy-conservation for whole machine set system, was also unfavorable for reducing discharging.
For these reasons, if utilize the heat smoke in existing flue gas system as the dilution wind of dilution air, the most both
Can reduce boiler heat loss, improve boiler efficiency, can reduce again the operating pressure of denitrification apparatus follow-up equipment, synchronization realizes energy-conservation
The purpose reduced discharging.
Utility model content
The purpose of this utility model is to provide the desulphurization denitration taking wind mode for optimizing denitration device of power plant dilution air
System, this system is not only able to effectively reduce the useless cold wind incorporation of boiler of power plant system and air-introduced machine power consumption, improve former taking off
Flue-gas temperature at nitre reactor, additionally it is possible to because of the reduction of whole system exhaust gas volumn, the pollutant improving each environmental emission reduction facility take off
Removing solid capacity, and then reduce every pollutant discharge amount.
This purpose of the present utility model realizes by the following technical solutions: be used for optimizing denitration device of power plant dilute
Release blower fan and take the system of wind mode, including economizer, denitrification apparatus, air preheater, electrostatic precipitator, air-introduced machine, desulfurization dress
Putting and dilution air, described economizer is connected with the outlet of boiler of power plant, and described desulfurizer is connected with chimney, described
Denitrification apparatus, air preheater, electrostatic precipitator, air-introduced machine be arranged between economizer and desulfurizer, and along examining oneself
Coal device is sequentially connected logical to the direction of desulfurizer by flue, the most other on the connection flue between economizer and denitrification apparatus
Propping up a dilution wind pipeline, dilution wind pipeline is connected with the outlet of dilution air, described dilution wind pipeline is additionally provided with mixed
Clutch, and described blender is also connected with for ammonia pipeline, it is characterised in that: described system described air-introduced machine outlet with
Having additional dilution air entrance and air-introduced machine outlet pipeline between the entrance of described dilution air, described dilution air enters
Mouth is connected with the outlet of air-introduced machine and the entrance of dilution air respectively with air-introduced machine outlet pipeline, is discharged by air-introduced machine
Thermal flue gas back be used as dilution air spray ammonia dilution wind.
System of the present utility model has additional dilution between outlet and the entrance of described dilution air of described air-introduced machine
Fans entrance and air-introduced machine outlet pipeline, both can realize denitrification apparatus dilution wind reuse heat smoke, and reduce the external world and enter
The cold blast rate of unit flue gas system, improves boiler efficiency, can improve again running temperature at Benitration reactor, and reduce denitration dress
Postpone continuous each system and run exhaust gas volumn, thus finally realize the double effects of energy-conserving and environment-protective, modification measures economically feasible, transformation effect
Fruit is substantially.
This utility model can do following improvement: described dilution air entrance also sets up on air-introduced machine outlet pipeline
Flue gas flow is had to regulate door, for regulating the air quantity entering dilution air, it is ensured that dilution air quantity meets denitrification apparatus spray ammonia and runs
The purpose required.
This utility model can also do following improvement: described dilution air is additionally provided with frequency-variable controller, by frequency conversion control
Rotation speed of fan processed, it is achieved ensure under unit difference service condition that dilution air entrance dilution air quantity meets denitrification apparatus spray ammonia and runs
The purpose required.
In this utility model, described denitrification apparatus, air preheater, electrostatic precipitator, air-introduced machine for being set up in parallel and
Two sets that structure is identical.
Dilution air entrance of the present utility model and air-introduced machine outlet pipeline can be arranged to various structures, the dilutest
Release fans entrance and be connected to the pipeline of air-introduced machine rear pass, each after air-introduced machine can being arranged on the junction point of air-introduced machine rear pass
On the by-pass flue of respective side, it is also possible to be arranged on the merging flue after air-introduced machine.
Merging on flue after air-introduced machine is arranged on air-introduced machine rear pass junction point for dilution air inlet duct
Machine set system, connecting pipe is before the dilution air entrance entering different denitrification apparatus, before a pipeline can be used as branch
Female pipeline, before entering different dilution air, more female pipeline is carried out branch, forms the lateral that whereabouts is different.
Meanwhile, at dilution air inlet duct, corresponding the same side denitrification apparatus is provided with two and above quantity dilution air
The machine set system of (being provided with standby fan), the different dilution air inlet ducts of the same side are connected to be branched off into dividing of this side side by side
On branch pipe(tube).Every dilution air exit is provided with baffle plate, prevents from not running at the dilution air of (standby) and occurs that flue gas circulates
Phenomenon.
Above-mentioned dilution air entrance and air-introduced machine outlet pipeline arrange according to dilution air different, can use
Following four kinds of structures:
Structure one: described dilution wind pipeline is two, is respectively communicated with the cigarette between two set denitrification apparatus and economizer
On road, described dilution air is two, is connected with a dilution wind pipeline respectively, described dilution air entrance and air inducing
Machine outlet pipeline is two, each dilution air entrance and air-introduced machine outlet pipeline all with the going out an of air-introduced machine
The entrance of mouth and a dilution air is connected.
Structure two: described dilution wind pipeline is two, is respectively communicated with the cigarette between two set denitrification apparatus and economizer
On road, described dilution air is two, is connected with a dilution wind pipeline respectively, described dilution air entrance and air inducing
The group that machine outlet pipeline is the female pipeline of thermal flue gas back and two dilution air branch pipe(tube)s being set up in parallel are constituted
Closing pipeline, wherein, female import of pipeline is connected with the outlet of two air-introduced machines, and the import of two dilution air branch pipe(tube)s is incorporated to
The outlet of described female pipeline, the outlet of two dilution air branch pipe(tube)s entrance with two dilution airs respectively is connected.
Structure three: described dilution tunnel is two, is respectively communicated with the flue between two set denitrification apparatus and economizer
On, described dilution air is four, is divided into two groups, and often group is two dilution airs being arranged side by side, each group of dilution air
Being connected with a dilution wind pipeline respectively, described dilution air entrance and air-introduced machine outlet pipeline are two, each
Bar dilution air entrance and air-introduced machine outlet pipeline all with outlet and the entrance of one group of dilution air of an air-introduced machine
It is connected.
Structure four: described dilution wind pipeline is two, is respectively communicated with the cigarette between two set denitrification apparatus and economizer
On road, described dilution air is four, is divided into two groups, and often group is two dilution airs being arranged side by side, each group of dilution wind
Machine is connected with a dilution wind pipeline respectively, and described dilution air entrance and air-introduced machine outlet pipeline are a hot cigarette
The combined pipe that gas reuse mother's pipeline and two the dilution air branch pipe(tube)s being set up in parallel are constituted, wherein, the import of female pipeline
Outlet with two air-introduced machines is connected, and the import of two dilution air branch pipe(tube)s is incorporated to the other end of described female pipeline, two
The outlet of dilution air branch pipe(tube) is connected with the entrance often organizing dilution air respectively.
The exit of each dilution air is provided with dilution air outlet portal.
Compared with prior art, this utility model sets up connection dilution air entrance and air-introduced machine on dilution air entrance
The pipeline of exhaust pass, by the reasonable adjusting to each dilution air inlet flue gas Flow-rate adjustment door, makes dilution air go out one's intention as revealed in what one says
Amount is stable in the range of service requirement value, it is achieved to heat smoke as the reuse of dilution wind, finally meet the design of denitrification apparatus
Spray ammonia air quantity requirement；When dilution air uses VFC, described flue gas flow regulation door can be cancelled, and only passes through dilution air
Rotating speed control realization dilution air quantity meet denitrification apparatus spray ammonia service requirement purpose.Standby dilution air it is provided with in the same side
Time, each dilution air entrance connecting pipe is connected on corresponding side branch connecting pipe side by side, and every side lateral finally connects
On the air-introduced machine exhaust pass of respective side, or every side lateral be merged into a pipeline after be connected to two air-introduced machines and go out
On the merging flue of mouth.The dilution elegance of the dilution air transformation of reuse air-introduced machine outlet heat smoke, it is possible to reduce the external world is entered
Enter the cold blast rate of unit flue gas system, improve boiler efficiency, meanwhile, under conditions of relatively using air as dilution wind, also profit
In improving running temperature at denitrification apparatus, and reduce system exhaust gas volumn.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is a kind of boiler of power plant exit that is positioned in prior art, and denitration device of power plant dilution air takes wind mode
The arrangement schematic diagram of system；
Fig. 2 is that in prior art, another kind is positioned at boiler of power plant exit, and denitration device of power plant dilution air takes wind side
The arrangement schematic diagram of the system of formula；
Fig. 3 is that this utility model is positioned at boiler of power plant exit, is used for optimizing denitration device of power plant dilution air and takes wind
The arrangement schematic diagram of the system embodiment one of mode；
Fig. 4 is that this utility model is positioned at boiler of power plant exit, is used for optimizing denitration device of power plant dilution air and takes wind
The arrangement schematic diagram of the system embodiment two of mode；
Fig. 5 is that this utility model is positioned at boiler of power plant exit, is used for optimizing denitration device of power plant dilution air and takes wind
The arrangement schematic diagram of the system embodiment three of mode；
Fig. 6 is that this utility model is positioned at boiler of power plant exit, is used for optimizing denitration device of power plant dilution air and takes wind
The arrangement schematic diagram of the system embodiment four of mode.
Description of reference numerals
1, boiler；2, economizer；3, denitrification apparatus；4, air preheater；5, electrostatic precipitator；
6, air-introduced machine；7, desulfurizer；8 chimneys；9, dilution air；
10, dilution air entrance and air-introduced machine outlet pipeline；11, blender；12, for ammonia pipeline；
13, flue gas flow regulation door；14, dilution air outlet portal；15, frequency-variable controller；
16, dilution wind pipeline.
Detailed description of the invention
Embodiment one
This utility model is positioned at boiler of power plant exit, takes wind mode for optimizing denitration device of power plant dilution air
The embodiment one of system is as it is shown on figure 3, include economizer 2, denitrification apparatus 3, air preheater 4, electrostatic precipitator 5, air-introduced machine
6, desulfurizer 7 and dilution air 9, economizer 2 is connected with the outlet of boiler of power plant 1, and desulfurizer 7 is connected with chimney 8,
Denitrification apparatus 3, air preheater 4, electrostatic precipitator 5, air-introduced machine 6 are arranged between economizer 2 and desulfurizer 7, and edge
It is sequentially connected logical from economizer 2 by flue to the direction of desulfurizer 7, the connection cigarette between economizer 2 and denitrification apparatus 3
On road, also collateral branch one dilutes wind pipeline 16, and dilution wind pipeline 16 is connected with the outlet of dilution air 9, on dilution wind pipeline 16
It is additionally provided with blender 11, and blender 11 is also connected with for ammonia pipeline 12.
This system has additional dilution air entrance and air-introduced machine between the outlet and the entrance of dilution air 9 of air-introduced machine 6
Outlet pipeline 10, dilution air entrance and air-introduced machine outlet pipeline 10 respectively with outlet and the dilution of air-introduced machine 6
The entrance of blower fan 9 is connected, and the thermal flue gas back that air-introduced machine 6 is discharged is used as the spray ammonia dilution wind of dilution air 9, this dilution air
It is additionally provided with flue gas flow regulation door 13 on entrance and air-introduced machine outlet pipeline 10, enters dilution air 9 for regulating
Air quantity, it is ensured that dilution air quantity meets denitrification apparatus 3 and sprays the purpose of ammonia service requirement.
Denitrification apparatus 3 in the present embodiment, air preheater 4, electrostatic precipitator 5, air-introduced machine 6 are for being set up in parallel and structure
Two identical sets, dilution wind pipeline 16 is two, is respectively communicated with on the flue between two set denitrification apparatus 3 and economizer 2, dilute
Releasing blower fan 9 is two, is connected with a dilution wind pipeline 16 respectively, dilution air entrance and air-introduced machine outlet pipeline 10
Be two, each dilution air entrance and air-introduced machine outlet pipeline 10 all with the outlet of an air-introduced machine 6 and one
The entrance of dilution air 9 is connected.
In the present embodiment, dilution air entrance can entering not homonymy dilution air 9 with air-introduced machine outlet pipeline 10
Mouthful, it is directly communicates with dilution air 9 entrance and the exhaust pass of air-introduced machine 6 respectively according to respective side denitrification apparatus 3 and air-introduced machine 6
On.
Use the scheme of embodiment one, through being calculated, the coal unit that certain specified installed capacity is 300MW at load
Under conditions of 300MW, compared with the system before transformation, improved system, exhaust gas volumn reduces 0.85%, Benitration reactor
Place's flue-gas temperature improves more than 1.3 DEG C, and boiler efficiency improves more than 0.95%, and every air-introduced machine power consumption can reduce about 2A.
Embodiment two
This utility model is for optimizing the embodiment two such as Fig. 4 institute that denitration device of power plant dilution air takes the system of wind mode
Show, and unlike embodiment one, the dilution air entrance in the present embodiment and air-introduced machine outlet pipeline 10 are for for one
The combined pipe that the female pipeline of thermal flue gas back and two the dilution air branch pipe(tube)s being set up in parallel are constituted, wherein, female pipeline
Import is connected with the outlet of two air-introduced machines 6, and the import of two dilution air branch pipe(tube)s is incorporated to the outlet of female pipeline, and two dilute
Release the outlet of the blower fan branch pipe(tube) entrance respectively with two dilution airs 9 to be connected.
In the present embodiment, dilution air entrance and air-introduced machine outlet pipeline 10 are at whereabouts not homonymy denitrification apparatus 3
Before at dilution air 9, a female pipe can be used, be connected on the exhaust pass of air-introduced machine 6, at whereabouts not homonymy denitrification apparatus 3
Dilution air 9 time, then be branched off into the branch pipe(tube) of different whereabouts.
Embodiment three
This utility model is for optimizing the embodiment three such as Fig. 5 institute that denitration device of power plant dilution air takes the system of wind mode
Showing, and unlike embodiment one, the dilution air 9 in the present embodiment is four, is divided into two groups, often group is two and is arranged side by side
Dilution air 9, the exit of each dilution air 9 is provided with dilution air outlet portal 14, each group of dilution air 9 points
Not being connected with a dilution wind pipeline 16, dilution air entrance and air-introduced machine outlet pipeline 10 are two, and each dilute
Release fans entrance and air-introduced machine outlet pipeline 10 all with outlet and the entrance of one group of dilution air 9 of an air-introduced machine 6
It is connected.
Embodiment four
This utility model is for optimizing the embodiment four such as Fig. 6 institute that denitration device of power plant dilution air takes the system of wind mode
Show, and unlike embodiment three, the dilution air 9 in the present embodiment is additionally provided with frequency-variable controller 15, passes through VFC
Rotation speed of fan, it is achieved ensure under unit difference service condition that dilution air 9 entrance dilution air quantity meets denitrification apparatus 3 and sprays ammonia operation
The purpose required.
In the present embodiment, dilution air 9 arranges frequency-variable controller 15 and can also be applied to above-described embodiment one to embodiment three
In.
In this utility model, flue gas flow regulation door 13 be can control flue gas flow, can the fully closed or electricity of standard-sized sheet
Dynamic or pneumatic regulation door.
In this utility model, dilution air entrance and air-introduced machine outlet pipeline 10 can be by not homonymy dilution airs 9
Entrance, is directly communicates with the outlet cigarette of dilution air 9 entrance and air-introduced machine 6 respectively according to respective side denitrification apparatus 3 and air-introduced machine 6
On road.
In this utility model, dilution air entrance and air-introduced machine outlet pipeline 10 are at whereabouts not homonymy denitrification apparatus 3
Dilution air 9 at before, a female pipe can be used, be connected on the exhaust pass of air-introduced machine 6, at whereabouts not homonymy denitrification apparatus
3 dilution air 9 time, then be branched off into the branch pipe(tube) of different whereabouts.
In this utility model, for arranging the machine set system of standby dilution air 9, the difference of same denitrification apparatus 3 side is dilute
Release blower fan 9 entrance, be directly parallel on dilution air entrance and the air-introduced machine outlet pipeline 10 of this side branch.
In this utility model, each dilution air 9 can use the mode of frequency-variable controller 15 to realize variable frequency adjustment rotating speed control
System.
In this utility model, when each dilution air 9 uses frequency-variable controller 15 to carry out the control of variable frequency adjustment rotating speed, can cancel
Dilution air entrance and the flue gas flow regulation door 13 on air-introduced machine outlet pipeline 10.
System of the present utility model carries out connecting on former dilution air and unit flue gas system and flue gas flow regulation changes
Making, dilution air entrance and air-introduced machine outlet pipeline 10 realize the unit heat smoke spray ammonia dilution wind as denitrification apparatus 3,
By being arranged on dilution air entrance and the flue gas flow regulation door 13 on air-introduced machine outlet pipeline 10, regulate dilution air
The entrance air quantity of 9, makes this air quantity disclosure satisfy that the spray ammonia service requirement of denitrification apparatus 3.When each dilution air 9 uses VFC
When the mode of device 15 realizes the control of variable frequency adjustment rotating speed, each flue gas flow regulation door 13 can be cancelled, in the outlet pressure of air-introduced machine 6
When power and air quantity change, by the VFC of frequency-variable controller 15, it is achieved dilution air 9 outlet dilution air quantity keep stable or
Meet the purpose of the spray ammonia service requirement of denitrification apparatus 3.
Utilize this utility model both can realize denitrification apparatus dilution wind reuse heat smoke, reduce external world's entrance unit flue gas
The cold blast rate of system, raising boiler efficiency, can improve again running temperature at Benitration reactor, and it is follow-up respectively to reduce denitrification apparatus
System running pressure, thus finally realize the double effects of energy-conserving and environment-protective.
Above-described embodiment of the present utility model is not the restriction to this utility model protection domain, reality of the present utility model
The mode of executing is not limited to this, and all this kind is according to foregoing of the present utility model, according to the ordinary technical knowledge of this area and used
By means, without departing under this utility model above-mentioned basic fundamental thought premise, this utility model said structure is made its
The amendment of its various ways, replace or change, all should fall within protection domain of the present utility model.
Claims (6)
1. it is used for optimizing denitration device of power plant dilution air and takes the system of wind mode, including economizer (2), denitrification apparatus (3), sky
Air preheater (4), electrostatic precipitator (5), air-introduced machine (6), desulfurizer (7) and dilution air (9), described economizer (2) with
The outlet of boiler of power plant (1) is connected, and described desulfurizer (7) is connected with chimney (8), described denitrification apparatus (3), empty
Air preheater (4), electrostatic precipitator (5), air-introduced machine (6) are arranged between economizer (2) and desulfurizer (7), and along certainly
Economizer (2) is sequentially connected logical to the direction of desulfurizer (7) by flue, between economizer (2) and denitrification apparatus (3)
Connecting also collateral branch one on flue and dilute wind pipeline (16), dilution wind pipeline (16) is connected with the outlet of dilution air (9), institute
State and in dilution wind pipeline (16), be additionally provided with blender (11), and described blender (11) is also connected with for ammonia pipeline (12)
It is logical, it is characterised in that: described system has additional between the outlet and the entrance of described dilution air (9) of described air-introduced machine (6)
Dilution air entrance and air-introduced machine outlet pipeline (10), described dilution air entrance and air-introduced machine outlet pipeline
(10) it is connected with the outlet of air-introduced machine (6) and the entrance of dilution air (9) respectively, the heat smoke that air-introduced machine (6) is discharged
The spray ammonia dilution wind of dilution air (9) is done in reuse.
The system taking wind mode for optimizing denitration device of power plant dilution air the most according to claim 1, its feature exists
In: described denitrification apparatus (3), air preheater (4), electrostatic precipitator (5), air-introduced machine (6) are for being set up in parallel and structure phase
Two same sets.
The system taking wind mode for optimizing denitration device of power plant dilution air the most according to claim 2, its feature exists
In: described dilution wind pipeline (16) is two, is respectively communicated with the flue between two sets denitrification apparatus (3) and economizer (2)
On, described dilution air (9) is two, is connected with a dilution tunnel (16) respectively, described dilution air entrance with
Air-introduced machine outlet pipeline (10) is two, and each dilution air entrance and air-introduced machine outlet pipeline (10) are all with one
The outlet of platform air-introduced machine (6) and the entrance of a dilution air (9) are connected.
The system taking wind mode for optimizing denitration device of power plant dilution air the most according to claim 2, its feature exists
In: described dilution wind pipeline (16) is two, is respectively communicated with the flue between two sets denitrification apparatus (3) and economizer (2)
On, described dilution air (9) is two, is connected with a dilution tunnel (16) respectively, described dilution air entrance with
Air-introduced machine outlet pipeline (10) is the female pipeline of a thermal flue gas back and two the dilution air branch pipe(tube)s being set up in parallel
The combined pipe constituted, wherein, female import of pipeline is connected with the outlet of two air-introduced machines (6), two dilution air arms
The import in road is incorporated to the outlet of described female pipeline, the outlet of two dilution air branch pipe(tube)s respectively with two dilution airs (9)
Entrance is connected.
The system taking wind mode for optimizing denitration device of power plant dilution air the most according to claim 2, its feature exists
In: described dilution wind pipeline (16) is two, is respectively communicated with the flue between two sets denitrification apparatus (3) and economizer (2)
On, described dilution air (9) is four, is divided into two groups, and often group is two dilution airs being arranged side by side (9), and each group is dilute
Release blower fan (9) to be connected with a dilution tunnel (16) respectively, described dilution air entrance and air-introduced machine outlet pipeline
(10) be two, each dilution air entrance and air-introduced machine outlet pipeline (10) all with the outlet of an air-introduced machine (6)
And the entrance of one group of dilution air (9) is connected.
The system taking wind mode for optimizing denitration device of power plant dilution air the most according to claim 5, its feature exists
In: the exit of each dilution air (9) is provided with dilution air outlet portal (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233159.2U CN205579612U (en) | 2016-03-24 | 2016-03-24 | System for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233159.2U CN205579612U (en) | 2016-03-24 | 2016-03-24 | System for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan |
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| Publication Number | Publication Date |
|---|---|
| CN205579612U true CN205579612U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620233159.2U Active CN205579612U (en) | 2016-03-24 | 2016-03-24 | System for it gets wind mode to be used for optimizing denitrification facility of power plant dilution fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716102A (en) * | 2016-03-24 | 2016-06-29 | 佛山市顺德五沙热电有限公司 | System for optimizing air taking manner of dilution fans of power plant denitration devices |
-
2016
- 2016-03-24 CN CN201620233159.2U patent/CN205579612U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716102A (en) * | 2016-03-24 | 2016-06-29 | 佛山市顺德五沙热电有限公司 | System for optimizing air taking manner of dilution fans of power plant denitration devices |
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