CN205746939U - Flue gas desulfurization device - Google Patents

Flue gas desulfurization device Download PDF

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Publication number
CN205746939U
CN205746939U CN201620731017.9U CN201620731017U CN205746939U CN 205746939 U CN205746939 U CN 205746939U CN 201620731017 U CN201620731017 U CN 201620731017U CN 205746939 U CN205746939 U CN 205746939U
Authority
CN
China
Prior art keywords
air
introduced machine
flue
flue gas
desulfurization device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620731017.9U
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Chinese (zh)
Inventor
林邦春
吕智嘉
郭为
吴公宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenhua (fuzhou) Hong Kong Electric Co Ltd In Luoyuan Bay
China Shenhua Energy Co Ltd
Shenhua Fujian Energy Co Ltd
Original Assignee
Shenhua (fuzhou) Hong Kong Electric Co Ltd In Luoyuan Bay
China Shenhua Energy Co Ltd
Shenhua Fujian Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenhua (fuzhou) Hong Kong Electric Co Ltd In Luoyuan Bay, China Shenhua Energy Co Ltd, Shenhua Fujian Energy Co Ltd filed Critical Shenhua (fuzhou) Hong Kong Electric Co Ltd In Luoyuan Bay
Priority to CN201620731017.9U priority Critical patent/CN205746939U/en
Application granted granted Critical
Publication of CN205746939U publication Critical patent/CN205746939U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of flue gas desulfurization device, this flue gas desulfurization device includes absorption tower (10) and the first flue (11) being connected with described absorption tower (10), the first air-introduced machine (12) exported towards described absorption tower (10) it is provided with on described first flue (11), the first suction isolating valve (13) being positioned at described first air-introduced machine (12) porch and the first outlet isolating door (14) being positioned at described first air-introduced machine (12) exit it is additionally provided with on described first flue (11), it is provided with the first inlet scoop between the outlet and described first outlet isolating door (14) of described first air-introduced machine (12), described first inlet scoop connects the aspirator of the flue gas having the exit for aspirating described first air-introduced machine (12).The flue gas desulfurization device that this utility model provides can solve the problem that air-introduced machine cannot be completely isolated and there is the problem that flue gas is altered in exit.

Description

Flue gas desulfurization device
Technical field
This utility model relates to fume treatment technology, in particular it relates to a kind of flue gas desulfurization device.
Background technology
Along with the attention of Environmental protection, all power plant cancel and closure desulfurization fume bypass, cancel supercharging simultaneously Blower fan, uses and increases the mode drawing merging, reduces Station Service Electrical-Energy rate further.
But, increase under the design pattern drawing merging, owing to needs overcome desulfurization resistance, air-introduced machine outlet to be pressure-fired work Condition, and air-introduced machine exit is relatively big due to flue, all uses the isolating door of baffle-type, the isolating door of baffle-type cannot be completely isolated Flue gas, therefore to air-introduced machine isolation maintenance in the case of, there is air-introduced machine exiting flue gas and alter, it is impossible to by air-introduced machine completely every From problem, there is potential safety hazard.
Air-introduced machine is stopped transport and there is the problem that flue gas is altered, currently without more effective solution.It is typically employed in Air-introduced machine outlet arranges multiple tracks isolating door or the method improving isolating door sealing, but effect is poor, and therefore part power plant exists In emergency circumstances, use personal protective measures to enter maintenance, there is great safety issue.
Utility model content
The purpose of this utility model is to provide a kind of flue gas desulfurization device, is used for solving cannot completely isolated stoppage in transit to draw at present Blower fan and there is the problem that flue gas is altered.
To achieve these goals, this utility model provides a kind of flue gas desulfurization device, including absorption tower and with described suction Receive the first flue that tower connects, described first flue is provided with and exports towards first air-introduced machine on described absorption tower, described the It is additionally provided with on one flue and is positioned at the first suction isolating valve of described first air-introduced machine porch and is positioned at described first air-introduced machine The first outlet isolating door in exit is provided with the between the outlet and described first outlet isolating door of described first air-introduced machine One inlet scoop, described first inlet scoop connects the aspirator of the flue gas having the exit for aspirating described first air-introduced machine.
Preferably, described flue gas desulfurization device also includes the second flue being connected with described absorption tower, described second flue On be provided with and export towards second air-introduced machine on described absorption tower;
Connecting between the entrance of described first inlet scoop and described second air-introduced machine and have the first suction channel, described suction fills Put described second air-introduced machine included on described first suction channel and described second flue.
Preferably, described second flue is additionally provided be positioned at described second air-introduced machine entrance the second suction isolating valve and Be positioned at described second air-introduced machine outlet second outlet isolating door, described second air-introduced machine outlet and described second outlet every Being provided with the second inlet scoop between door, connecting between the entrance of described second inlet scoop and described first air-introduced machine has second to take out Suction pipe road.
Preferably, described first suction channel and described second suction channel are respectively arranged with isolating door and regulation door.
Preferably, described aspirator includes the first connection pipeline of described first inlet scoop connection and with described first Connect the sucktion fan that pipeline connects.
Preferably, described flue gas desulfurization device also includes the second flue being connected with described absorption tower, described second flue On be provided with and export towards second air-introduced machine on described absorption tower, described second flue is additionally provided with and is positioned at described second air inducing Second suction isolating valve of machine entrance and be positioned at the second outlet isolating door of described second air-introduced machine outlet, at described second air inducing Being provided with the second inlet scoop between outlet and the described second outlet isolating door of machine, described second inlet scoop connects the second connection Pipeline, described second connects pipeline is connected to described sucktion fan.
Preferably, the entrance of described sucktion fan connects total pipeline, and described first connects pipeline and described second connects Pipeline is all connected on described total pipeline, and described first connection pipeline and described second connection pipeline are respectively arranged with isolation Door, described total pipeline is provided with regulation door.
Preferably, described flue gas desulfurization device also include the burner hearth of boiler, described aspirator include described burner hearth and It is connected to the connection pipeline between described burner hearth and described first inlet scoop.
Preferably, in the exit of described first air-introduced machine, circumferentially there is multiple and described suction along described first flue The perforate of airduct connection, the position being provided with described perforate of described first flue connects with described perforate circumferentially around having Aspiration channel, described first inlet scoop is the opening arranged on described aspiration channel.
Preferably, described first flue is provided with the bracing frame supporting described first outlet isolating door, support frame as described above For being formed with the hollow-core construction of cavity, support frame as described above is disposed with multiple and described towards the side of described first air-introduced machine outlet The perforate of cavity connection, described first inlet scoop is the opening connected with described cavity arranged on support frame as described above.
The flue gas desulfurization device that this utility model provides, is arranged by first inlet scoop in the exit at the first air-introduced machine Aspirator, so in the first air-introduced machine fault or when needing repairing, cuts out the first suction isolating valve and the first outlet isolating door, First air-introduced machine is isolated, is then aspirated the flue gas in the first air-introduced machine exit by aspirator, first can be prevented to draw Flue gas at fan outlet is altered, thus solves air-introduced machine outlet exit flue gas and alter and cause the air-introduced machine cannot be completely isolated Problem, it is ensured that the safety of service work.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of flue gas desulfurization device in an embodiment of the present utility model;
Fig. 2 is the structural representation of flue gas desulfurization device in another embodiment of the present utility model.
Description of reference numerals:
10-absorption tower;11-the first flue;
12-the first air-introduced machine;13-the first suction isolating valve;
14-the second suction isolating valve;15-the first cleaner unit;
16-the first suction channel;17-the first isolating door;
18-first regulates door;21-the second flue;
22-the second air-introduced machine;23-the second suction isolating valve;
24-second exports isolating door;25-the second cleaner unit;
26-the second suction channel;27-the second isolating door;
28-second regulates door;1-first connects pipeline;
2-second connects pipeline;3-sucktion fan;
4-the 3rd isolating door;5-the 3rd regulates door;
6-total pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
This utility model provides a kind of flue gas desulfurization device, this flue gas desulfurization device include absorption tower 10 and with described absorption The first flue 11 that tower 10 connects, described first flue 11 is provided with the first air-introduced machine exported towards described absorption tower 10 12, the first flue 11 is additionally provided with and is positioned at the first suction isolating valve 13 of the first air-introduced machine 12 porch and is positioned at the first air inducing The first outlet isolating door 14 in machine 12 exit, wherein, in outlet and the described first outlet isolation of described first air-introduced machine 12 Being provided with the first inlet scoop between door 14, described first inlet scoop connects the exit for aspirating described first air-introduced machine 12 The aspirator of flue gas.
In the flue gas desulfurization device that this utility model provides, by first inlet scoop in the exit at the first air-introduced machine 12 Aspirator is set, so in the first air-introduced machine 12 fault or when needing repairing, closes the first suction isolating valve 13 and first and go out Mouth isolating door 14, is isolated the first air-introduced machine 12, is then aspirated the cigarette in the first air-introduced machine 12 exit by aspirator Gas, can prevent the flue gas in the first air-introduced machine 12 exit from altering, thus solves air-introduced machine and export 12 exit flue gases and alter and lead Cause the problem that air-introduced machine cannot be completely isolated, it is ensured that the safety of service work.
The flue gas desulfurization device that combining accompanying drawing below by detailed description of the invention provides this utility model is carried out specifically Bright.
In preferred implementation of the present utility model, as it is shown in figure 1, described flue gas desulfurization device is above-mentioned except including Outside the first flue 11 being connected with absorption tower 10, also include the second flue 21 being connected with absorption tower 10.Described second flue 21 It is set up in parallel with the first flue 11, the second flue 21 is provided with the second air-introduced machine 22 exported towards described absorption tower 10, also It is provided with the second suction isolating valve 23 being positioned at the second air-introduced machine 22 entrance and the second outlet being positioned at the second air-introduced machine 22 outlet Isolating door 24.
Due to from boiler flue gas out typically after dedusting, then enter absorption tower 10 by air-introduced machine, therefore, such as figure In 1, the first air-introduced machine 12 is connected between the first cleaner unit 15 and absorption tower 10, and the second air-introduced machine 22 is connected to the second cleaner unit Between 25 and absorption tower 10.
In present embodiment, connect between the entrance of described first inlet scoop and described second air-introduced machine 22 and have first to take out Suction pipe road 16, includes described first suction channel for aspirating the described aspirator of described first air-introduced machine 21 exit flue gas 16 and second described second air-introduced machines 22 on flue 21.When the first air-introduced machine 12 fault or needs are overhauled, first enters Mouthful isolating door 13 and the first outlet isolating door 14 are closed, operating second air-introduced machine 22 by the first suction channel 16 by the The flue gas in one air-introduced machine 12 exit aspirates in the second flue 21.
Same reason, the second air-introduced machine 22 fault or need maintenance time, for avoiding the second air-introduced machine 22 exit Flue gas is altered, and is provided with the second inlet scoop between the outlet and described second outlet isolating door 24 of described second air-introduced machine 22, Connect between the entrance of described second inlet scoop and the first air-introduced machine 12 and have the second suction channel 26, so, 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 the second air-introduced machine 22 exit Flue gas be drawn in the first flue 11.
In present embodiment, the first suction channel 16 and the second suction channel 26 are respectively arranged with isolating door and regulation Door.In Fig. 1, the first suction channel 16 is provided with the first regulation door 18, for regulating the flow of flue gas, in the first regulation The both sides of door 18 are respectively arranged with the first isolating door 17.Second suction channel 26 is provided with the second regulation door 28, second Regulation door 28 both sides are 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 suction channel 16 and the second suction channel 26, using the foundation as regulation.
Under normal circumstances, the first air-introduced machine 12 and the second air-introduced machine 22 paired running, the first suction channel 16 and second is taken out Isolating door on suction pipe road 26 is closed, and under this state, two air-introduced machines do not interfere with each other;
When the first air-introduced machine 12 fault maybe needs maintenance, close the first suction isolating valve 13 and first on the first flue 11 Outlet isolating door 14, opens the first isolating door 17 on the first suction channel 16 simultaneously, and regulation first regulates door 18, operating Second air-introduced machine 22 aspirates the flue gas in the first air-introduced machine 12 exit, it is ensured that be in micro-vacuum state at the first inlet scoop;
When the second air-introduced machine 22 fault maybe needs maintenance, the first air-introduced machine 12 is made to aspirate the second air inducing by same method The flue gas in machine 22 exit.
The flue gas that it is possible to aspirate the first air-introduced machine 12 exit and the second air-introduced machine 22 exit is it should be noted that at this Aspirator is not limited to arrange as above, another embodiment as described below.
As in figure 2 it is shown, in this embodiment, described aspirator is included in first air draught in the first air-introduced machine 12 exit The first connection pipeline 1 and first that mouth connects connects the sucktion fan 3 that pipeline 1 connects, by sucktion fan 3 by the first air inducing The flue gas in machine 12 exit is taken away.Wherein, the outlet of sucktion fan 3 be connectable on the first flue 11 and the second flue 21 or It is connected in absorption tower 10, as long as not by the fume emission of suction to air.
Same, in this embodiment, described flue gas desulfurization device also includes the second flue being connected with described absorption tower 10 21, the second flue 21 is provided with the second air-introduced machine 22 exported towards described absorption tower 10, described second flue 21 also sets It is equipped with and is positioned at the second suction isolating valve 23 of described second air-introduced machine 22 entrance and is positioned at the of described second air-introduced machine 22 outlet Two outlet isolating doors 24, are provided with the second suction between the outlet and described second outlet isolating door 24 of described second air-introduced machine 22 Air port, described second inlet scoop connects the second connection pipeline 2, and described second connects pipeline 2 is also connected to described sucktion fan 3 Entrance, aspirated the flue gas in the second air-introduced machine 22 exit by sucktion fan 3.
Preferably, in Fig. 2, the entrance of described sucktion fan 3 connects total pipeline 6, and first connects pipeline 1 and second connects Adapter road 2 is all connected on total pipeline 6, connects first and is respectively arranged with isolating door on pipeline 1 and the second connection pipeline 2, institute State and on total pipeline 3, be provided with regulation door, as in Fig. 2 first connect the 3rd isolating door 4 that pipeline 1 and second connects on pipeline 2 with And the 3rd regulation door 5 on total pipeline 3.
Under normal circumstances, the first air-introduced machine 12 and the second air-introduced machine 22 paired running, first connects pipeline 1 and second connects Isolating door on pipeline 2 is closed, and under this state, two air-introduced machines do not interfere with each other;
When the first air-introduced machine 12 fault maybe needs maintenance, close the first suction isolating valve 13 and first on the first flue 11 Outlet isolating door 14, opens the 3rd isolating door 4 on the first pipeline 1, regulation the 3rd regulation door 5 so that sucktion fan 3 is taken out simultaneously Inhale the flue gas in the first air-introduced machine 12 exit, it is ensured that the first inlet scoop is in micro-vacuum state;
When the second air-introduced machine 22 fault maybe needs maintenance, sucktion fan 3 is made to aspirate the second air-introduced machine with similar operation The flue gas in 22 exits.
In another embodiment, it is described that described flue gas desulfurization device also includes that the burner hearth of boiler, described aspirator include Burner hearth and be connected to the connection pipeline between described first inlet scoop and described burner hearth, connect be provided with on pipeline isolating door and Regulation door, aspirates the flue gas altered in the first air-introduced machine 12 exit by combustion chamber draft.Same, the second air-introduced machine 22 exports The second inlet scoop also can be connected to the burner hearth of boiler by connecting pipeline, aspirate the second air-introduced machine 22 by combustion chamber draft and go out Flue gas at Kou so that the second air-introduced machine 22 outlet keeps micro-vacuum state.
Additionally, in preferred implementation of the present utility model, in the exit of the first air-introduced machine 12, along described first cigarette Circumferentially there is the perforate that multiple and described aspiration channel connects in road 11, and the position being provided with described perforate of the first flue 11 is along week To being surrounded with the aspiration channel (not shown) that connects with described perforate, described first inlet scoop is for being arranged on described aspiration channel Opening.The multiple perforates circumferentially disposed along the first flue 11 can be aspirated by such first inlet scoop by aspiration channel, suction effect The best.Same, 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 implementation, the first flue 11 is provided with and supports described first outlet isolating door 14 Bracing frame (does not shows in figure, the first flue 11 of bracing frame both sides is connected on this bracing frame), and support frame as described above is for being formed The hollow-core construction of cavity, what this bracing frame was disposed with towards the side that the first air-introduced machine 12 exports that multiple and described cavity connects opens Hole, described first inlet scoop is the opening being arranged on this bracing frame and connecting with described cavity, and such first air-introduced machine 12 goes out Flue gas at Kou enters the cavity on bracing frame by multiple perforates, is then aspirated by the first inlet scoop, draws first The flue gas suction effect in blower fan 12 exit is good.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to respectively Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a flue gas desulfurization device, including absorption tower (10) and the first flue (11) of being connected with described absorption tower (10), institute State and on the first flue (11), be provided with the first air-introduced machine (12) exported towards described absorption tower (10), described first flue (11) On be additionally provided with and be positioned at first suction isolating valve (13) of described first air-introduced machine (12) porch and be positioned at described first air inducing First outlet isolating door (14) in machine (12) exit, it is characterised in that in the outlet of described first air-introduced machine (12) and described Being provided with the first inlet scoop between first outlet isolating door (14), described first inlet scoop connects to have and draws for aspirating described first The aspirator of the flue gas in the exit of blower fan (12).
Flue gas desulfurization device the most according to claim 1, it is characterised in that described flue gas desulfurization device also includes with described The second flue (21) that absorption tower (10) connects, described second flue (21) is provided with and exports towards described absorption tower (10) Second air-introduced machine (22);
Between the entrance of described first inlet scoop and described second air-introduced machine (22) connect have the first suction channel (16), described in take out Inhale device and include described second air-introduced machine (22) on described first suction channel (16) and described second flue (21).
Flue gas desulfurization device the most according to claim 2, it is characterised in that be additionally provided with position on described second flue (21) In second suction isolating valve (23) of described second air-introduced machine (22) entrance and be positioned at that described second air-introduced machine (22) exports Two outlets isolating door (24), are provided with between the outlet and described second outlet isolating door (24) of described second air-introduced machine (22) Second inlet scoop, connects between the entrance of described second inlet scoop and described first air-introduced machine (12) and has the second suction channel (26)。
Flue gas desulfurization device the most according to claim 3, it is characterised in that described first suction channel (16) and described Isolating door and regulation door it is respectively arranged with on two suction channels (26).
Flue gas desulfurization device the most according to claim 1, it is characterised in that described aspirator includes that described first inhales The first of air port connection connects pipeline (1) and is connected the sucktion fan (3) that pipeline (1) connects with described first.
Flue gas desulfurization device the most according to claim 5, it is characterised in that described flue gas desulfurization device also includes with described The second flue (21) that absorption tower (10) connects, described second flue (21) is provided with and exports towards described absorption tower (10) Second air-introduced machine (22), described second flue (21) is additionally provided with the second entrance being positioned at described second air-introduced machine (22) entrance Isolating door (23) and be positioned at the second outlet isolating door (24) that described second air-introduced machine (22) exports, at described second air-introduced machine (22) being provided with the second inlet scoop between outlet and described second outlet isolating door (24), described second inlet scoop connects the Two connect pipeline (2), and described second connects pipeline (2) is connected to described sucktion fan (3).
Flue gas desulfurization device the most according to claim 6, it is characterised in that the entrance of described sucktion fan (3) connects to be had Total pipeline (6), described first connection pipeline (1) and described second connects pipeline (2) and is all connected on described total pipeline (6), institute Stating and be respectively arranged with isolating door in the first connection pipeline (1) and described second connection pipeline (2), described total pipeline (6) is upper to be arranged There is regulation door.
Flue gas desulfurization device the most according to claim 1, it is characterised in that described flue gas desulfurization device also includes boiler Burner hearth, described aspirator includes described burner hearth and is connected to the connecting tube between described burner hearth and described 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 at described first air-introduced machine (12), circumferentially there is, along described first flue (11), a perforate that multiple and described aspiration channel connects in exit, and described first The position being provided with described perforate of flue (11) circumferentially around there being the aspiration channel connected with described perforate, described first air draught Mouth is for being arranged on described 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 described first flue (11) being provided with the bracing frame supporting described first outlet isolating door (14) on, support frame as described above is the hollow knot being formed with cavity Structure, the side that support frame as described above exports towards described first air-introduced machine (12) is disposed with the perforate that multiple and described cavity connects, Described first inlet scoop is the opening connected with described cavity arranged on support frame as described above.
CN201620731017.9U 2016-07-12 2016-07-12 Flue gas desulfurization device Withdrawn - After Issue CN205746939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620731017.9U CN205746939U (en) 2016-07-12 2016-07-12 Flue gas desulfurization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620731017.9U CN205746939U (en) 2016-07-12 2016-07-12 Flue gas desulfurization device

Publications (1)

Publication Number Publication Date
CN205746939U true CN205746939U (en) 2016-11-30

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CN201620731017.9U Withdrawn - After Issue CN205746939U (en) 2016-07-12 2016-07-12 Flue gas desulfurization device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016322A (en) * 2016-07-12 2016-10-12 中国神华能源股份有限公司 Flue gas desulfurization equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016322A (en) * 2016-07-12 2016-10-12 中国神华能源股份有限公司 Flue gas desulfurization equipment
CN106016322B (en) * 2016-07-12 2018-05-15 中国神华能源股份有限公司 flue gas desulfurization device

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