CN106016322B - flue gas desulfurization device - Google Patents
flue gas desulfurization device Download PDFInfo
- Publication number
- CN106016322B CN106016322B CN201610546728.3A CN201610546728A CN106016322B CN 106016322 B CN106016322 B CN 106016322B CN 201610546728 A CN201610546728 A CN 201610546728A CN 106016322 B CN106016322 B CN 106016322B
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- China
- Prior art keywords
- air
- introduced machine
- flue
- flue gas
- outlet
- Prior art date
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Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 66
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 36
- 230000023556 desulfurization Effects 0.000 title claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 29
- 230000001939 inductive effect Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/08—Doors or covers specially adapted for smoke-boxes, flues, or chimneys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of flue gas desulfurization device, the flue gas desulfurization device includes absorption tower (10) and the first flue (11) being connected with the absorption tower (10), first air-introduced machine (12) of the outlet towards the absorption tower (10) is provided with first flue (11), the first entrance isolating door (13) positioned at the first air-introduced machine (12) inlet and the first outlet isolating door (14) positioned at the first air-introduced machine (12) exit are additionally provided with first flue (11), the first inlet scoop is provided between the outlet of first air-introduced machine (12) and the first outlet isolating door (14), first inlet scoop is connected with the aspirator of the flue gas in the exit for aspirating first air-introduced machine (12).Flue gas desulfurization device provided by the invention can solve the problems, such as air-introduced machine can not be completely isolated and in exit, there are flue gas to alter.
Description
Technical field
The present invention relates to fume treatment technology, and in particular, to a kind of flue gas desulfurization device.
Background technology
With the attention that Environmental is protected, all power plant cancel and closure desulfurization fume bypass, while cancel supercharging
Wind turbine, by the way of merging is drawn in increasing, further reduces Station Service Electrical-Energy rate.
But increase and draw under the design pattern of merging, due to needing to overcome desulfurization resistance, air-introduced machine outlet is micro-positive pressure work
Condition, and air-introduced machine exit, since flue is larger, using the isolating door of baffle-type, the isolating door of baffle-type can not be completely isolated
Flue gas, thus to air-introduced machine isolation maintenance in the case of, there are air-introduced machine exiting flue gas to alter, can not by air-introduced machine completely every
From the problem of, there are security risk.
The problem of being altered for air-introduced machine stoppage in transit there are flue gas, currently without more effective solution.It is typically employed in
Air-introduced machine outlet sets multiple tracks isolating door or the method for improving isolating door leakproofness, but effect is poor, therefore part power plant exists
In emergency circumstances, entered using personal protective measures and overhauled, there are great safety issue.
The content of the invention
The object of the present invention is to provide a kind of flue gas desulfurization device, for solve at present can not completely isolated stoppage in transit air-introduced machine
And the problem of being altered there are flue gas.
To achieve these goals, the present invention provides a kind of flue gas desulfurization device, including absorption tower and with the absorption tower
First flue of connection, first air-introduced machine of the outlet towards the absorption tower, first cigarette are provided with first flue
It is additionally provided with road positioned at the first entrance isolating door of the first air-introduced machine inlet and is exported positioned at first air-introduced machine
The first outlet isolating door at place is provided with the first suction between the outlet of first air-introduced machine and the first outlet isolating door
Air port, first inlet scoop are connected with the aspirator of the flue gas in the exit for aspirating first air-introduced machine.
Preferably, the flue gas desulfurization device further includes the second flue being connected with the absorption tower, second flue
On be provided with outlet towards the absorption tower the second air-introduced machine；
The first suction channel, the suction dress are connected between the entrance of first inlet scoop and second air-introduced machine
Put including second air-introduced machine on first suction channel and second flue.
Preferably, be additionally provided with second flue positioned at the second air-introduced machine entrance second entrance isolating door and
Second outlet isolating door positioned at second air-introduced machine outlet, the outlet of second air-introduced machine and the second outlet every
From the second inlet scoop is provided between door, the second pumping is connected between second inlet scoop and the entrance of first air-introduced machine
Suction pipe road.
Preferably, isolating door and adjusting door are respectively arranged with first suction channel and second suction channel.
Preferably, the aspirator includes the first connecting pipe of first inlet scoop connection and with described first
The sucktion fan of connecting pipe connection.
Preferably, the flue gas desulfurization device further includes the second flue being connected with the absorption tower, second flue
On be provided with second air-introduced machine of the outlet towards the absorption tower, be additionally provided with positioned at second air inducing on second flue
The second entrance isolating door of machine entrance and the second outlet isolating door positioned at second air-introduced machine outlet, in second air inducing
The second inlet scoop is provided between the outlet of machine and the second outlet isolating door, second inlet scoop is connected with the second connection
Pipeline, second connecting pipe are connected to the sucktion fan.
Preferably, the entrance of the sucktion fan is connected with total pipeline, first connecting pipe and second connection
Pipeline is all connected on the total pipeline, and isolation is respectively arranged with first connecting pipe and second connecting pipe
, it is provided with adjusting door on the total pipeline.
Preferably, the flue gas desulfurization device further includes the burner hearth of boiler, the aspirator include the burner hearth and
The connecting pipe being connected between the burner hearth and first inlet scoop.
Preferably, in the exit of first air-introduced machine, circumferentially there is the multiple and suction along first flue
The perforate of air hose connection, the position for being provided with the perforate of first flue is circumferentially around having what is connected with the perforate
Aspiration channel, first inlet scoop are the opening set on the aspiration channel.
Preferably, the supporting rack for supporting the first outlet isolating door, support frame as described above are provided with first flue
For the hollow-core construction formed with cavity, support frame as described above towards the side that first air-introduced machine exports be disposed with it is multiple with it is described
The perforate of cavity connection, first inlet scoop are the opening connected with the cavity set on support frame as described above.
Flue gas desulfurization device provided by the invention, by setting suction in first inlet scoop in the exit of the first air-introduced machine
Device, so in the first air-introduced machine failure or when needing repairing, closes first entrance isolating door and first outlet isolating door, to the
One air-introduced machine is isolated, and the flue gas in the first air-introduced machine exit is then aspirated by aspirator, can prevent the first air-introduced machine
The flue gas in exit is altered, so that solving air-introduced machine outlet exit flue gas and altering causes what air-introduced machine can not be completely isolated to ask
Topic, ensures the security of service work.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure diagram of flue gas desulfurization device in an embodiment of the invention；
Fig. 2 is the structure diagram of flue gas desulfurization device in another embodiment of the present invention.
Description of reference numerals：
10- absorption towers；The first flues of 11-；
The first air-introduced machines of 12-；13- first entrance isolating doors；
14- second entrance isolating doors；The first dedusters of 15-；
The first suction channels of 16-；The first isolating doors of 17-；
18- first adjusts door；The second flues of 21-；
The second air-introduced machines of 22-；23- second entrance isolating doors；
24- second outlet isolating doors；The second dedusters of 25-；
The second suction channels of 26-；The second isolating doors of 27-；
28- second adjusts door；The first connecting pipes of 1-；
The second connecting pipes of 2-；3- sucktion fans；
The 3rd isolating doors of 4-；5- the 3rd adjusts door；
6- total pipelines.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of flue gas desulfurization device, the flue gas desulfurization device include absorption tower 10 and with the absorption tower 10
First flue 11 of connection, first air-introduced machine 12 of the outlet towards the absorption tower 10 is provided with first flue 11, the
It is additionally provided with one flue 11 positioned at the first entrance isolating door 13 of 12 inlet of the first air-introduced machine and positioned at the first air-introduced machine 12
The first outlet isolating door 14 in exit, wherein, in the outlet of first air-introduced machine 12 and the first outlet isolating door 14
Between be provided with the first inlet scoop, first inlet scoop is connected with the cigarette in the exit for aspirating first air-introduced machine 12
The aspirator of gas.
In flue gas desulfurization device provided by the invention, by being set in first inlet scoop in the exit of the first air-introduced machine 12
Aspirator, so in 12 failure of the first air-introduced machine or when needing repairing, close first entrance isolating door 13 and first outlet every
From door 14, the first air-introduced machine 12 is isolated, the flue gas in 12 exit of the first air-introduced machine is then aspirated by aspirator, can
Prevent the flue gas in 12 exit of the first air-introduced machine from altering, so that solving air-introduced machine and exporting 12 exit flue gases and alter causes air inducing
The problem of machine can not be completely isolated, ensures the security of service work.
Flue gas desulfurization device provided by the invention is described in detail below by embodiment combination attached drawing.
In a preferred embodiment of the invention, as shown in Figure 1, the flue gas desulfurization device is above-mentioned with suction except including
Receive outside the first flue 11 that tower 10 connects, further include the second flue 21 being connected with absorption tower 10.Second flue 21 and
One flue 11 is set up in parallel, and second air-introduced machine 22 of the outlet towards the absorption tower 10 is provided with the second flue 21, is also set up
There are the second entrance isolating door 23 positioned at 22 entrance of the second air-introduced machine and the second outlet isolation positioned at the outlet of the second air-introduced machine 22
Door 24.
Since the flue gas come out from boiler enters absorption tower 10 generally after dedusting, then by air-introduced machine, therefore, such as scheme
In 1, the first air-introduced machine 12 is connected between the first deduster 15 and absorption tower 10, and the second air-introduced machine 22 is connected to the second deduster
Between 25 and absorption tower 10.
In present embodiment, the first pumping is connected between the entrance of first inlet scoop and second air-introduced machine 22
Suction pipe road 16, the aspirator for aspirating the 21 exit flue gas of the first air-introduced machine include first suction channel
16 and the second second air-introduced machine 22 on flue 21.When 12 failure of the first air-introduced machine or needs are overhauled, first enters
Mouthful isolating door 13 and first outlet isolating door 14 are closed, and running second air-introduced machine 22 is by the first suction channel 16 by the
The flue gas in one air-introduced machine, 12 exit is aspirated into the second flue 21.
Same reason, 22 failure of the second air-introduced machine or need maintenance when, to avoid 22 exit of the second air-introduced machine
Flue gas is altered, and the second inlet scoop is provided between the outlet of second air-introduced machine 22 and the second outlet isolating door 24,
The second suction channel 26 is connected between the entrance of second inlet scoop and the first air-introduced machine 12, in this way, to the second air inducing
When machine 22 carries out isolation maintenance, the first air-introduced machine 12 of operation can be by the second suction channel 26 by 22 exit of the second air-introduced machine
Flue gas be drawn into the first flue 11.
In present embodiment, isolating door and adjusting are respectively arranged with the first suction channel 16 and the second suction channel 26
Door.In Fig. 1, the first adjusting door 18 is provided with the first suction channel 16, for adjusting the flow of flue gas, is adjusted first
The both sides of door 18 are respectively arranged with the first isolating door 17.The second adjusting door 28 is provided with the second suction channel 26, second
Adjust 28 both sides of door and be respectively arranged with the second isolating door 27.
Preferably, pressure gauge can be set at the first inlet scoop and the second inlet scoop, or pressure gauge is arranged on first
On 16 and second suction channel 26 of suction channel, using the foundation as adjusting.
Under normal circumstances, 22 paired running of the first air-introduced machine 12 and the second air-introduced machine, the first suction channel 16 and second are taken out
Isolating door on suction pipe road 26 is closed, and under this state, two air-introduced machines are not interfere with each other；
In 12 failure of the first air-introduced machine or when need to overhaul, the first entrance isolating door 13 and first on the first flue 11 is closed
Isolating door 14 is exported, while opens the first isolating door 17 on the first suction channel 16, first is adjusted and adjusts door 18, it is running
Second air-introduced machine 22 aspirates the flue gas in 12 exit of the first air-introduced machine, ensures the first inlet scoop everywhere in micro-vacuum state；
In 22 failure of the second air-introduced machine or when need to overhaul, the first air-introduced machine 12 is caused to aspirate the second air inducing with same method
The flue gas in 22 exit of machine.
It should be noted that, the flue gas in 22 exit of 12 exit of the first air-introduced machine and the second air-introduced machine can be aspirated herein
Aspirator is not limited to set as described above, another embodiment as described below.
As shown in Fig. 2, in the embodiment, the aspirator is included in first air draught in 12 exit of the first air-introduced machine
Mouthful the first connecting pipe 1 of connection and the sucktion fan 3 of the first connecting pipe 1 connection, by sucktion fan 3 by the first air inducing
The flue gas in 12 exit of machine is taken away.Wherein, the outlet of sucktion fan 3 on the first flue 11 and the second flue 21 or
It is connected in absorption tower 10, as long as not by the flue gas emission of suction to air.
Likewise, in the embodiment, the flue gas desulfurization device further includes the second flue being connected with the absorption tower 10
21, second air-introduced machine 22 of the outlet towards the absorption tower 10 is provided with the second flue 21, is also set on second flue 21
It is equipped with the positioned at the second entrance isolating door 23 of 22 entrance of the second air-introduced machine and positioned at second air-introduced machine 22 outlet
Two outlet isolating doors 24, the second suction is provided between the outlet of second air-introduced machine 22 and the second outlet isolating door 24
Air port, second inlet scoop are connected with the second connecting pipe 2, and second connecting pipe 2 is also connected to the sucktion fan 3
Entrance, pass through the flue gas that sucktion fan 3 aspirates the second air-introduced machine 22 exit.
Preferably, as in Fig. 2, the entrance of the sucktion fan 3 is connected with total pipeline 6, and the first connecting pipe 1 and second connects
Adapter road 2 is all connected on total pipeline 6, is respectively arranged with isolating door in the first connecting pipe 1 and the second connecting pipe 2, institute
State and adjusting door be provided with total pipeline 3, as the 3rd isolating door 4 in Fig. 2 in the first connecting pipe 1 and the second connecting pipe 2 with
And the 3rd on total pipeline 3 adjusts door 5.
Under normal circumstances, 22 paired running of the first air-introduced machine 12 and the second air-introduced machine, the first connecting pipe 1 and the second connection
Isolating door on pipeline 2 is closed, and under this state, two air-introduced machines are not interfere with each other；
In 12 failure of the first air-introduced machine or when need to overhaul, the first entrance isolating door 13 and first on the first flue 11 is closed
Isolating door 14 is exported, while opens the 3rd isolating door 4 on the first pipeline 1, the 3rd is adjusted and adjusts door 5 so that sucktion fan 3 is taken out
The flue gas in 12 exit of the first air-introduced machine is inhaled, ensures that the first inlet scoop is in micro-vacuum state；
In 22 failure of the second air-introduced machine or when need to overhaul, sucktion fan 3 is caused to aspirate the second air-introduced machine with similar operation
The flue gas in 22 exits.
In another embodiment, the flue gas desulfurization device further includes the burner hearth of boiler, and the aspirator includes described
Burner hearth and the connecting pipe being connected between first inlet scoop and the burner hearth, be provided with connecting pipe isolating door and
Door is adjusted, the flue gas altered in 12 exit of the first air-introduced machine is aspirated by combustion chamber draft.Likewise, the second air-introduced machine 22 exports
The second inlet scoop the burner hearth of boiler can be also connected to by connecting pipe, gone out by combustion chamber draft to aspirate the second air-introduced machine 22
Flue gas at mouthful so that the outlet of the second air-introduced machine 22 keeps micro-vacuum state.
In addition, in a preferred embodiment of the invention, in the exit of the first air-introduced machine 12, along first flue 11
Circumferentially there are multiple perforates connected with the aspiration channel, the position for being provided with the perforate of the first flue 11 is circumferentially enclosed
The aspiration channel (not shown) connected with the perforate is wound with, first inlet scoop is to be arranged on opening on the aspiration channel
Mouthful.Such first inlet scoop can be by aspiration channel to being aspirated along the circumferentially disposed multiple perforates of the first flue 11, and suction effect is good.
Likewise, the second inlet scoop on the second flue 21 may also be arranged on the aspiration channel on the second flue 21.
In other preferred embodiment, the support first outlet isolating door 14 is provided with the first flue 11
Supporting rack (do not show, the first flue 11 of supporting rack both sides is connected on the supporting rack) in figure, support frame as described above be formed with
The hollow-core construction of cavity, the side of the supporting rack towards the outlet of the first air-introduced machine 12 is disposed with multiple opens with what the cavity connected
Hole, first inlet scoop are the opening for being arranged on the supporting rack and being connected with the cavity, and such first air-introduced machine 12 goes out
Flue gas at mouthful enters the cavity on supporting rack by multiple perforates, is then aspirated by the first inlet scoop, drawn to first
The flue gas suction effect in 12 exit of wind turbine is good.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of flue gas desulfurization device, including absorption tower (10) and the first flue (11) for being connected with the absorption tower (10), institute
State and first air-introduced machine (12) of the outlet towards the absorption tower (10), first flue (11) are provided with the first flue (11)
On be additionally provided with positioned at the first entrance isolating door (13) of the first air-introduced machine (12) inlet and positioned at first air inducing
The first outlet isolating door (14) in machine (12) exit, it is characterised in that in the outlet of first air-introduced machine (12) and described
The first inlet scoop is provided between first outlet isolating door (14), first inlet scoop is connected with draws for aspirating described first
The aspirator of the flue gas in the exit of wind turbine (12).
2. flue gas desulfurization device according to claim 1, it is characterised in that the flue gas desulfurization device further include with it is described
The second flue (21) of absorption tower (10) connection, outlet is provided with second flue (21) towards the absorption tower (10)
Second air-introduced machine (22)；
The first suction channel (16), the pumping are connected between the entrance of first inlet scoop and second air-introduced machine (22)
Inhaling device includes second air-introduced machine (22) on first suction channel (16) and second flue (21).
3. flue gas desulfurization device according to claim 2, it is characterised in that be additionally provided with position on second flue (21)
In the second entrance isolating door (23) of the second air-introduced machine (22) entrance and positioned at second air-introduced machine (22) outlet the
Two outlet isolating doors (24), are provided between the outlet of second air-introduced machine (22) and the second outlet isolating door (24)
The second suction channel is connected between the entrance of second inlet scoop, second inlet scoop and first air-introduced machine (12)
(26)。
4. flue gas desulfurization device according to claim 3, it is characterised in that first suction channel (16) and described
Isolating door is respectively arranged with two suction channels (26) and adjusts door.
5. flue gas desulfurization device according to claim 1, it is characterised in that the aspirator includes first air draught
The first connecting pipe (1) of mouth connection and the sucktion fan (3) being connected with first connecting pipe (1).
6. flue gas desulfurization device according to claim 5, it is characterised in that the flue gas desulfurization device further include with it is described
The second flue (21) of absorption tower (10) connection, outlet is provided with second flue (21) towards the absorption tower (10)
Second air-introduced machine (22), is additionally provided with the second entrance positioned at the second air-introduced machine (22) entrance on second flue (21)
Isolating door (23) and the second outlet isolating door (24) positioned at second air-introduced machine (22) outlet, in second air-introduced machine
(22) the second inlet scoop is provided between outlet and the second outlet isolating door (24), second inlet scoop is connected with
Two connecting pipes (2), second connecting pipe (2) are connected to the sucktion fan (3).
7. flue gas desulfurization device according to claim 6, it is characterised in that the entrance of the sucktion fan (3) is connected with
Total pipeline (6), first connecting pipe (1) and second connecting pipe (2) are all connected on the total pipeline (6), institute
State and isolating door is respectively arranged with the first connecting pipe (1) and second connecting pipe (2), set on the total pipeline (6)
There is adjusting door.
8. flue gas desulfurization device according to claim 1, it is characterised in that the flue gas desulfurization device further includes boiler
Burner hearth, the aspirator include the burner hearth and the connecting tube being connected between the burner hearth and first inlet scoop
Road.
9. according to the flue gas desulfurization device described in any one in claim 1-8, it is characterised in that in first air-introduced machine
(12), circumferentially there are multiple perforates connected with aspiration channel, first flue in exit along first flue (11)
(11) circumferentially around there is the aspiration channel that is connected with the perforate, first inlet scoop is at the position for being provided with the perforate
It is arranged on the aspiration channel upper shed.
10. according to the flue gas desulfurization device described in any one in claim 1-8, it is characterised in that first flue
(11) supporting rack for supporting the first outlet isolating door (14) is provided with, support frame as described above is the hollow knot formed with cavity
Structure, support frame as described above are disposed with multiple perforates connected with the cavity towards the side that first air-introduced machine (12) exports,
First inlet scoop is the opening connected with the cavity set on support frame as described above.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610546728.3A CN106016322B (en) | 2016-07-12 | 2016-07-12 | flue gas desulfurization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546728.3A CN106016322B (en) | 2016-07-12 | 2016-07-12 | flue gas desulfurization device |
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| CN106016322A CN106016322A (en) | 2016-10-12 |
| CN106016322B true CN106016322B (en) | 2018-05-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108443713A (en) * | 2018-04-04 | 2018-08-24 | 江苏苏亚迪炭材有限公司 | Pot type burner gas bypass valve device for preventing leakage |
| CN110360143B (en) * | 2019-06-12 | 2021-03-12 | 国家能源集团宿迁发电有限公司 | Self-suction type self-sealing double-baffle door without power source |
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| CN201344550Y (en) * | 2008-12-23 | 2009-11-11 | 国电环境保护研究院 | Damper seal air system of desulfurization flue gas pipeline |
| CN201930707U (en) * | 2011-02-10 | 2011-08-17 | 中电投远达环保工程有限公司 | Flue gas desulphurization device |
| CN102758803A (en) * | 2012-07-31 | 2012-10-31 | 中国能源建设集团广东省电力设计研究院 | Smoke cooling system for started draught fans |
| CN204438164U (en) * | 2015-01-27 | 2015-07-01 | 河北省电力勘测设计研究院 | Based on the boiler controller system flue control device of single air-introduced machine |
| CN205746939U (en) * | 2016-07-12 | 2016-11-30 | 中国神华能源股份有限公司 | Flue gas desulfurization device |
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