CN206496366U - A kind of blower fan interacted system - Google Patents
A kind of blower fan interacted system Download PDFInfo
- Publication number
- CN206496366U CN206496366U CN201720120082.2U CN201720120082U CN206496366U CN 206496366 U CN206496366 U CN 206496366U CN 201720120082 U CN201720120082 U CN 201720120082U CN 206496366 U CN206496366 U CN 206496366U
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- China
- Prior art keywords
- air
- primary air
- stoves
- cold
- fans
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- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of blower fan interacted system, the system includes #1 stoves blower fan system and #2 stove blower fan systems；#1 stoves blower fan system includes the cold First air main pipe of #1 stoves, #1 stove heat primary air main pipes；#2 stoves blower fan system includes the cold First air main pipe of #2 stoves, #2 stove heat primary air main pipes；It is connected between the cold First air main pipe of #1 stoves and the cold First air main pipe of #2 stoves by an air channel I, cold wind insertion plate door I, cold wind regulation door and cold wind insertion plate door II has been sequentially connected in series on air channel I；It is connected between #1 stove heat primary air main pipes and #2 stove heat primary air main pipes by an air channel II, hot blast insertion plate door I, hot blast regulation door and hot blast insertion plate door II has been sequentially connected in series on air channel II.The service system it is simple and environmentally-friendly energy-conservation, technological transformation cost is low, reliable, maintenance is few, maintenance is convenient, generalization is extremely strong.
Description
Technical field
The utility model is related to a kind of interacted system, and in particular to a kind of blower fan interacted system.
Background technology
As thermal power generation unit is glided using hourage, unit load rate is substantially reduced.During performing low-load running of machine set,
Each subsidiary engine power consumption rate is raised significantly, and unit operation economy is deteriorated, and causes the net coal consumption rate of unit high.Each blower fan of boiler side is fire
Power power plant large electricity consumer, it is necessary to the method for seeking to reduce blower fan power consumption rate.For reduction unit net coal consumption rate, unit is improved in fire
Competitive advantage in power power industry, it is necessary to seek the long-term underrun measure of unit.Blower fan interconnection technique is under the new situation
Optimal selection, both can guarantee that unit operation security, unit station service power consumption rate can be reduced again.
The content of the invention
The utility model provides a kind of blower fan interacted system, its simple system, environmental protection and energy saving, technological transformation cost are low, operation can
Lean on, maintenance is few, maintenance is convenient, generalization is extremely strong.
The utility model is realized by following technical scheme：
A kind of blower fan interacted system, the system includes #1 stoves blower fan system and #2 stove blower fan systems；The #1 stoves blower fan system
System includes the cold First air main pipe of #1 stoves, #1 stove heat primary airs main pipe, #1 air preheaters and #1 primary air fans, the #1 stoves heat one
Secondary wind main pipe is connected with #1 air preheaters, the #1 air preheaters again respectively with the cold First air main pipe of #1 stoves and #1 First airs
Machine is connected；The #2 stoves blower fan system includes the cold First air main pipe of #2 stoves, #2 stove heat primary airs main pipe, #2 air preheaters and #2
Primary air fan, the #2 stoves heat primary air main pipe is connected with #2 air preheaters, the #2 air preheaters again respectively with #2 stoves
Cold First air main pipe is connected with #2 primary air fans；Pass through one between the cold First air main pipe of #1 stoves and the cold First air main pipe of #2 stoves
Individual air channel I is connected, and cold wind insertion plate door I, cold wind regulation door and cold wind insertion plate door II have been sequentially connected in series on the air channel I；Institute
State and be connected between #1 stove heat primary air main pipes and #2 stove heat primary air main pipes by an air channel II, on the air channel II according to
It is secondary to be serially connected with hot blast insertion plate door I, hot blast regulation door and hot blast insertion plate door II.
Preferably, the #1 air preheaters include #11 air preheaters and #12 air preheaters, and the #1 is once
Blower fan includes #11 primary air fans and #12 primary air fans；The #1 stoves heat primary air main pipe exports heat by #11 air preheaters
Main air intake is connected with #11 air preheaters, and the #11 air preheaters are kept off further through #11 air preheater First airs entrance
Plate is exported to a cold windshield plate, #11 primary air fan outlet dampers with #11 primary air fans and is connected respectively, the #11 primary air fans
A cold windshield plate is exported to the cold First air main pipe of #1 stoves to be connected, the #11 primary air fans outlet damper again with #11 First airs
Machine is connected；The #1 stoves heat primary air main pipe exports heat primary air door and #12 air preheater phases by #12 air preheaters
Even, the #12 air preheaters are exported to #12 primary air fans respectively further through #12 air preheater First airs inlet baffle
A cold windshield plate, #12 primary air fans outlet damper are connected, and the #12 primary air fans are exported to a cold windshield plate and #1 stoves
Cold First air main pipe is connected, and the #12 primary air fans outlet damper is connected with #12 primary air fans again.
Preferably, the #2 air preheaters include #21 air preheaters and #22 air preheaters, and the #2 is once
Blower fan includes #21 primary air fans and #22 primary air fans；The #2 stoves heat primary air main pipe exports heat by #21 air preheaters
Main air intake is connected with #21 air preheaters, and the #21 air preheaters are kept off further through #21 air preheater First airs entrance
Plate is exported to a cold windshield plate, #21 primary air fan outlet dampers with #21 primary air fans and is connected respectively, the #21 primary air fans
A cold windshield plate is exported to the cold First air main pipe of #2 stoves to be connected, the #21 primary air fans outlet damper again with #21 First airs
Machine is connected；The #2 stoves heat primary air main pipe exports heat primary air door and #22 air preheater phases by #22 air preheaters
Even, the #22 air preheaters are exported to #22 primary air fans respectively further through #22 air preheater First airs inlet baffle
A cold windshield plate, #22 primary air fans outlet damper are connected, and the #22 primary air fans are exported to a cold windshield plate and #1 stoves
Cold First air main pipe is connected, and the #22 primary air fans outlet damper is connected with #22 primary air fans again.
The utility model beneficial effect：
The interacted system can realize the boiler smoke intercommunication of two units, can be by once when a unit starting
Air channel interacted system delivers to the cold and hot First air of operating unit the cold and hot First air main pipe for starting unit.In two unit operations,
As unit load rate it is relatively low when, for two units can provide enough First airs by the cold and hot First air interacted system so that
Can be stopped transport a primary air fan operation.
Brief description of the drawings
Fig. 1 is the utility model partial enlarged drawing；
Fig. 2 is the utility model structural representation.
1st, #11 primary air fans outlet damper；2nd, #12 primary air fans outlet damper；3rd, #11 air preheaters First air entrance
Baffle plate；4th, #12 air preheaters First air inlet baffle；5th, #11 air preheaters outlet heat primary air door；6th, #12 air is pre-
Hot device outlet heat primary air door；7th, #11 primary air fans are exported to a cold windshield plate；8th, #12 primary air fans be exported to it is cold once
Windshield plate.
1 ', #21 primary air fans outlet damper；2 ', #22 primary air fans outlet damper；3 ', #21 air preheaters First air
Inlet baffle；4 ', #22 air preheaters First air inlet baffle；5 ', #21 air preheaters outlet heat primary air door；6’、#22
Air preheater outlet heat primary air door；7 ', #21 primary air fans are exported to a cold windshield plate；8 ', #22 primary air fans are exported
To a cold windshield plate.
10th, the cold First air main pipe of #1 stoves；20th, #1 stoves heat primary air main pipe；30th, #11 air preheaters；40th, #12 air is pre-
Hot device；50th, #11 primary air fans；60th, #12 primary air fans.
10 ', the cold First air main pipe of #2 stoves；20 ', #2 stoves heat primary air main pipe；30 ', #21 air preheaters；40 ', #22 is empty
Air preheater；50 ', #21 primary air fans；60 ', #22 primary air fans.
100th, cold wind insertion plate door I；200th, cold wind regulation door；300th, cold wind insertion plate door II.
100 ', hot blast insertion plate door I；200 ', hot blast regulation door；300 ', hot blast insertion plate door II.
1000th, air channel I；1000 ', air channel II.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by specific embodiment.
As shown in Figure 1 and Figure 2, a kind of blower fan interacted system, the system includes #1 stoves blower fan system and #2 stove blower fan systems.
#1 stoves blower fan system includes the cold First air main pipe 10 of #1 stoves, #1 stove heat primary airs main pipe 20, #1 air preheaters and #
1 primary air fan.
#1 air preheaters include #11 air preheaters 30 and #12 air preheaters 40, and #1 primary air fans include #11 mono-
Secondary blower fan 50 and #12 primary air fans 60.
#1 stove heat primary airs main pipe 20 exports heat primary air door 5 and the phase of #11 air preheaters 30 by #11 air preheaters
Even, #11 air preheaters 30 are exported to cold with #11 primary air fans respectively further through #11 air preheater First airs inlet baffle 3
One time windshield plate 7, #11 primary air fans outlet damper 1 are connected, and #11 primary air fans are exported to a cold windshield plate 7 and #1 stoves cold one
Secondary wind main pipe 10 is connected, and #11 primary air fans outlet damper 1 is connected with #11 primary air fans 50 again.
#1 stove heat primary airs main pipe 20 exports heat primary air door 6 and the phase of #12 air preheaters 40 by #12 air preheaters
Even, #12 air preheaters 40 are exported to cold with #12 primary air fans respectively further through #12 air preheater First airs inlet baffle 4
One time windshield plate 8, #12 primary air fans outlet damper 2 are connected, and #12 primary air fans are exported to a cold windshield plate 8 and #1 stoves cold one
Secondary wind main pipe 10 is connected, and #12 primary air fans outlet damper 2 is connected with #12 primary air fans 60 again.
#2 stoves blower fan system includes the cold First air main pipe 10 ' of #2 stoves, #2 stove heat primary airs main pipe 20 ', #2 air preheaters
With #2 primary air fans.
#2 air preheaters include #21 air preheaters 30 ' and #22 air preheaters 40 ', and #2 primary air fans include #21
Primary air fan 50 ' and #22 primary air fans 60 '.
#2 stove heat primary airs main pipe 20 ' exports heat primary air door 5 ' and #21 air preheaters by #21 air preheaters
30 ' be connected, #21 air preheaters 30 ' further through #21 air preheater First airs inlet baffle 3 ' respectively with #21 primary air fans
It is exported to a cold windshield plate 7 ', #21 primary air fans outlet damper 1 ' to be connected, #21 primary air fans are exported to a cold windshield plate
7 ' are connected with the cold First air main pipe 10 ' of #2 stoves, #21 primary air fans outlet damper 1 ' and are connected with #21 primary air fans 50 '.
#2 stove heat primary airs main pipe 20 ' exports heat primary air door 6 ' and #22 air preheaters by #22 air preheaters
40 ' be connected, #22 air preheaters 40 ' further through #22 air preheater First airs inlet baffle 4 ' respectively with #22 primary air fans
It is exported to a cold windshield plate 8 ', #22 primary air fans outlet damper 2 ' to be connected, #22 primary air fans are exported to a cold windshield plate
8 ' are connected with the cold First air main pipe 10 ' of #1 stoves, #22 primary air fans outlet damper 2 ' and are connected with #22 primary air fans 60 '.
It is connected between the cold First air main pipe 10 of #1 stoves and the cold First air main pipe 10 ' of #2 stoves by an air channel I 1000,
Cold wind insertion plate door I 100, cold wind regulation door 200 and cold wind insertion plate door II 300 have been sequentially connected in series on air channel I 1000.
It is connected between #1 stove heat primary airs main pipe 20 and #2 stove heat primary airs main pipe 20 ' by an air channel II 1000 ',
Hot blast insertion plate door I 100 ', hot blast regulation door 200 ' and hot blast insertion plate door II 300 ' have been sequentially connected in series on air channel II 1000 '.
Embodiment：
1）, two units are normally interconnected in operation.
Two units are normally in operation, and such as two unit loads are than relatively low（During as being less than 70% for a long time）, can pass through
#11 primary air fans 50, #12 primary air fans 60, #21 primary air fans 50 ', the #22 primary air fans 60 ' of two units of adjustment are exerted oneself,
Heat primary air main-piping pressure difference is kept within 0.1kPa, can distant place unlatching hot blast insertion plate door I 100 ' and hot blast insertion plate door II
300 ', it is then slow to open hot blast regulation door 200 ', until standard-sized sheet, pitch prevents the reduction of heat primary air main-piping pressure when opening.
Cold air channel interconnection is realized using same method.After pitch standard-sized sheet, suitably four primary air fans of adjustment are exerted oneself, and prevent one
Secondary air quantity is low, blower fan is entered surge area.After four primary air fans are stable, a certain is gradually reduced（Such as #21 primary air fans
50’）Blower fan is exerted oneself, until blower fan is moved（It is quiet）Leaf is fully closed, a primary air fan operation of stopping transport, and closes #21 primary air fans 50 ' and goes out
The #21 primary air fans outlet damper 1 ' of mouth, #21 air preheater First airs inlet baffle 3 ', #21 air preheaters outlet heat one
Secondary air door 5 ', #21 primary air fans are exported to a cold air door of windshield plate 7 '.The primary air fan method of operation is adjusted to 2~4 one
The coal pulverizer operation of secondary two units of blower fan band.
The method of operation can substantially reduce the station service power consumption rate and net coal consumption rate of two units, thus reduce the generating of company into
This.
2）, a unit starting when interconnect.
With #1 boiler operatiopns, exemplified by #2 boiler startups.It is slow to open hot blast insertion plate door I when #2 boiler startups need to warm up mill
100 ' are adjusted in door 200 ', opening process with hot blast insertion plate door II 300 ', slow hot blast of opening, and prevent #1 stove heat primary air main pipes
20 pressure are reduced, and ensure the slow rising of #2 stoves heat primary air pressure, until the pressure of #2 stove heat primary airs main pipe 20 ' is with #1 stoves warm one
The secondary pressure of wind main pipe 20 is identical.Cold First air main pipe is interconnected using same method.After cold and hot First air is interconnected, start
Warm mill is carried out to #2 stoves coal pulverizer, cold and hot First air is provided from operation boiler to starting trouble so as to realize.The Starting mode energy
The station service power consumption rate at unit starting initial stage is reduced, the cost of electricity-generating of company is reduced.
Although the utility model, those skilled in the art have shown and described referring particularly to its preferred embodiment
It is appreciated that the various changes that can be made in form and details are new without departing from this practicality described in appended claims
The scope of type.It is described in detail above in association with specific embodiment of the utility model, but is not to limit of the present utility model
System.It is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, still fall within this practicality
The scope of new technique scheme.
Claims (3)
1. a kind of blower fan interacted system, the system includes #1 stoves blower fan system and #2 stove blower fan systems；
The #1 stoves blower fan system includes the cold First air main pipe of #1 stoves, #1 stove heat primary airs main pipe, #1 air preheaters and #1 mono-
Secondary blower fan, the #1 stoves heat primary air main pipe is connected with #1 air preheaters, and the #1 air preheaters are again cold with #1 stoves respectively
First air main pipe is connected with #1 primary air fans；
The #2 stoves blower fan system includes the cold First air main pipe of #2 stoves, #2 stove heat primary airs main pipe, #2 air preheaters and #2 mono-
Secondary blower fan, the #2 stoves heat primary air main pipe is connected with #2 air preheaters, and the #2 air preheaters are again cold with #2 stoves respectively
First air main pipe is connected with #2 primary air fans；
It is characterized in that：
It is connected between the cold First air main pipe of #1 stoves and the cold First air main pipe of #2 stoves by an air channel I, in the air channel I
On be sequentially connected in series cold wind insertion plate door I, cold wind regulation door and cold wind insertion plate door II；
It is connected between the #1 stoves heat primary air main pipe and #2 stove heat primary air main pipes by an air channel II, in the air channel
Hot blast insertion plate door I, hot blast regulation door and hot blast insertion plate door II have been sequentially connected in series on II.
2. a kind of blower fan interacted system according to claim 1, it is characterised in that：The #1 air preheaters include #11
Air preheater and #12 air preheaters, the #1 primary air fans include #11 primary air fans and #12 primary air fans；
The #1 stoves heat primary air main pipe exports heat primary air door by #11 air preheaters and is connected with #11 air preheaters, institute
State #11 air preheaters further through #11 air preheater First airs inlet baffle be exported to respectively with #11 primary air fans it is cold once
Windshield plate, #11 primary air fans outlet damper are connected, and it is cold once with #1 stoves that the #11 primary air fans are exported to a cold windshield plate
Wind main pipe is connected, and the #11 primary air fans outlet damper is connected with #11 primary air fans again；
The #1 stoves heat primary air main pipe exports heat primary air door by #12 air preheaters and is connected with #12 air preheaters, institute
State #12 air preheaters further through #12 air preheater First airs inlet baffle be exported to respectively with #12 primary air fans it is cold once
Windshield plate, #12 primary air fans outlet damper are connected, and it is cold once with #1 stoves that the #12 primary air fans are exported to a cold windshield plate
Wind main pipe is connected, and the #12 primary air fans outlet damper is connected with #12 primary air fans again.
3. a kind of blower fan interacted system according to claim 1 or 2, it is characterised in that：The #2 air preheaters include #
21 air preheaters and #22 air preheaters, the #2 primary air fans include #21 primary air fans and #22 primary air fans；
The #2 stoves heat primary air main pipe exports heat primary air door by #21 air preheaters and is connected with #21 air preheaters, institute
State #21 air preheaters further through #21 air preheater First airs inlet baffle be exported to respectively with #21 primary air fans it is cold once
Windshield plate, #21 primary air fans outlet damper are connected, and it is cold once with #2 stoves that the #21 primary air fans are exported to a cold windshield plate
Wind main pipe is connected, and the #21 primary air fans outlet damper is connected with #21 primary air fans again；
The #2 stoves heat primary air main pipe exports heat primary air door by #22 air preheaters and is connected with #22 air preheaters, institute
State #22 air preheaters further through #22 air preheater First airs inlet baffle be exported to respectively with #22 primary air fans it is cold once
Windshield plate, #22 primary air fans outlet damper are connected, and it is cold once with #1 stoves that the #22 primary air fans are exported to a cold windshield plate
Wind main pipe is connected, and the #22 primary air fans outlet damper is connected with #22 primary air fans again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120082.2U CN206496366U (en) | 2017-02-09 | 2017-02-09 | A kind of blower fan interacted system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120082.2U CN206496366U (en) | 2017-02-09 | 2017-02-09 | A kind of blower fan interacted system |
Publications (1)
| Publication Number | Publication Date |
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| CN206496366U true CN206496366U (en) | 2017-09-15 |
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ID=59804441
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120082.2U Expired - Fee Related CN206496366U (en) | 2017-02-09 | 2017-02-09 | A kind of blower fan interacted system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206496366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793056A (en) * | 2019-11-06 | 2020-02-14 | 华北电力科学研究院有限责任公司 | Fault load reduction control system and method for primary fan auxiliary machine of power station boiler |
| CN112066409A (en) * | 2020-08-17 | 2020-12-11 | 神华国能集团有限公司 | Axial flow primary fan set and parallel method thereof |
-
2017
- 2017-02-09 CN CN201720120082.2U patent/CN206496366U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793056A (en) * | 2019-11-06 | 2020-02-14 | 华北电力科学研究院有限责任公司 | Fault load reduction control system and method for primary fan auxiliary machine of power station boiler |
| CN110793056B (en) * | 2019-11-06 | 2021-03-30 | 华北电力科学研究院有限责任公司 | Fault load reduction control system and method for primary fan auxiliary machine of power station boiler |
| CN112066409A (en) * | 2020-08-17 | 2020-12-11 | 神华国能集团有限公司 | Axial flow primary fan set and parallel method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20180209 |