CN209229768U - One kind zero permeates board gate of flue gas desulfurization sealing structure - Google Patents
One kind zero permeates board gate of flue gas desulfurization sealing structure Download PDFInfo
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- CN209229768U CN209229768U CN201821498304.5U CN201821498304U CN209229768U CN 209229768 U CN209229768 U CN 209229768U CN 201821498304 U CN201821498304 U CN 201821498304U CN 209229768 U CN209229768 U CN 209229768U
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- elastic slice
- gate flap
- flap piece
- flue gas
- gate
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Abstract
The utility model discloses one kind zero to permeate board gate of flue gas desulfurization sealing structure, including overhead gage gate flap piece and lower baffle plate gate flap piece, the overhead gage gate flap piece side is equipped with sealing device between side corresponding with lower baffle plate gate flap piece, the overhead gage gate flap piece other side is also equipped with sealing device between the other side corresponding with lower baffle plate gate flap piece, and the sealing device is to be fixed on overhead gage gate flap piece and lower baffle plate gate flap on piece with bolt and pressing plate；It is filled above fume side 300Pa gas in the seal chamber that the utility model uses double elastic slice designs and elastic slice forms, the sealing effect for realizing board gate of flue gas desulfurization reaches 99.99% or more, nearly close to the perfect condition of zero infiltration；Elastic slice and gasket can realize quick-replaceable simultaneously when replacing pressing plate, improve baffle door maintenance efficiency；Product Process is simple, it is low in cost, be very suitable for using in Introduction For Flue Gas Desulfarization System Of Electric Power Plant.
Description
Technical field
The utility model relates to flue gas desulfurization device field more particularly to the sealing structures of board gate of flue gas desulfurization.
Background technique
In large-scale thermal power industry, metallurgy industry, often there is a large amount of sulfur-containing smoke gas to be discharged, sulfur-containing smoke gas will cause pair
The pollution of atmosphere forms acid rain.In large-scale thermal power machine group wet method fume desulfurizing system, board gate of flue gas desulfurization is for hindering
Air-flow of giving up smoking is logical.The country mostly uses double blinds single shaft baffle doors, guarantees zero leakage rate of system by seal gas.Currently, leaf
Using overlapped between p-type face contact type seal form or blade and blade linear sealing form between piece and blade.However, P
Although type face contact type seal form sealing effect is good, price is high, (sealed material C276, price per ton are 600,000 yuan),
Manufacture craft is more complex；Although overlapped between blade, linear sealing form price is relatively inexpensive, when this seal form is due to only
One layer of sealing causes seal gas pressure when operation to rise not up, influences sealing effect.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of easily manufactured, dismounting
Simply, easy to repair, sealing effect is good, it is reasonable price it is intelligent zero infiltration board gate of flue gas desulfurization.
In order to solve the above technical problems, the utility model proposes technical solution are as follows: one kind zero permeate flue gas desulfurization baffle
Door sealing structure, including overhead gage gate flap piece and lower baffle plate gate flap piece, the overhead gage gate flap piece side and lower baffle plate gate flap piece
Sealing device is housed between corresponding side, the overhead gage gate flap piece other side other side corresponding with lower baffle plate gate flap piece it
Between be also equipped with sealing device, the sealing device is to be fixed on overhead gage gate flap piece and lower baffle plate gate flap piece with bolt and pressing plate
On, the sealing device includes the first elastic slice, the second elastic slice, third elastic slice, the 4th elastic slice, upper gasket, lower seal pad, upper pad
Block and lower cushion block, between first elastic slice root and the second elastic slice root be equipped with upper cushion block, second elastic slice, upper cushion block and
First elastic slice is subsequently attached to the pressing plate end of overhead gage gate flap on piece, between third elastic slice root and the 4th elastic slice root
Equipped with lower cushion block, the 4th elastic slice, lower cushion block and third elastic slice are subsequently attached to the pressing plate end of lower baffle plate gate flap on piece, institute
It states and is equipped with upper gasket on the outside of the second elastic slice root, be equipped with lower seal pad, first elastic slice on the outside of the 4th elastic slice root
With the second elastic slice lower seal pad, the third can be connected in the cooperation rotating down pressing of overhead gage gate flap piece and lower baffle plate gate flap piece
Elastic slice and the 4th elastic slice also can be crimped on upper gasket under the synchronous rotary of overhead gage gate flap piece and lower baffle plate gate flap piece.
Preferably, clearance space is formed between the first elastic slice elastic portion and the second elastic slice elastic portion, the interval is empty
Between minimum distance be not less than 2mm.
Preferably, clearance space is formed between the third elastic slice elastic portion and the 4th elastic slice elastic portion, the interval is empty
Between minimum distance be not less than 2mm.
Preferably, first elastic slice, the second elastic slice, third elastic slice, the 4th elastic slice elastic portion to be provided with transition curved
Curved surface.
Preferably, high pressure gas is equipped between first elastic slice and the second elastic slice, the high-pressure gas pressure is higher than zero
Permeate board gate of flue gas desulfurization flue gas lateral pressure 300Pa.
Preferably, high pressure gas is equipped between the third elastic slice and the 4th elastic slice, the high-pressure gas pressure is higher than zero
Permeate board gate of flue gas desulfurization flue gas lateral pressure 300Pa.
Preferably, the upper gasket and lower seal pad are that stainless steel or soft rubber material are made, and surface smoothness is
1.6 or 3.2.
Compared with prior art, remarkable advantage: designing the utility model using double elastic slices and the sealing of elastic slice composition
Intracavitary to be filled above fume side 300Pa gas, the sealing effect for realizing board gate of flue gas desulfurization reaches 99.99% or more, almost
Close to the perfect condition of zero infiltration；Elastic slice and gasket can realize quick-replaceable simultaneously when replacing pressing plate, improve baffle
Door maintenance efficiency；Product Process is simple, it is low in cost, be very suitable for using in Introduction For Flue Gas Desulfarization System Of Electric Power Plant.
The utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model embodiment.
Fig. 2 is the enlarged diagram of the portion J structure in Fig. 1.
Specific embodiment
As shown in Fig. 1~2, one kind zero permeates board gate of flue gas desulfurization sealing structure, including overhead gage gate flap piece 1 and lower block
Plate gate flap piece 5 is equipped with sealing device between the side corresponding with lower baffle plate gate flap piece 5 of 1 side of overhead gage gate flap piece, described
1 other side of overhead gage gate flap piece is also equipped with sealing device, the sealing device between the other side corresponding with lower baffle plate gate flap piece 5
It is to be fixed on overhead gage gate flap piece 1 and lower baffle plate gate flap piece 5 with bolt and pressing plate 3, the sealing device includes the first bullet
Piece 21, the second elastic slice 22, third elastic slice 23, the 4th elastic slice 24, upper gasket 41, lower seal pad 42, upper cushion block 61 and lower cushion block
62, upper cushion block 61, second elastic slice 22, upper cushion block 61 are equipped between 21 root of the first elastic slice and 22 root of the second elastic slice
3 end of pressing plate on overhead gage gate flap piece 1,23 root of third elastic slice and the 4th elastic slice are subsequently attached to the first elastic slice 21
Lower cushion block 62 is equipped between 24 roots, the 4th elastic slice 24, lower cushion block 62 and third elastic slice 23 are subsequently attached to lower baffle plate door
3 end of pressing plate on blade 5, is equipped with upper gasket 41 on the outside of 22 root of the second elastic slice, outside 24 root of the 4th elastic slice
Side is equipped with lower seal pad 42, and first elastic slice 21 and the second elastic slice 22 can be in overhead gage gate flap pieces 1 and lower baffle plate gate flap piece 5
Cooperation rotating down pressing be connected to lower seal pad 42, the third elastic slice 23 and the 4th elastic slice 24 also can be in overhead gage gate flap pieces 1
Upper gasket 41 is crimped on under the synchronous rotary of lower baffle plate gate flap piece 5.First elastic slice, 21 elastic portion and the second elastic slice 22
Clearance space is formed between elastic portion, the clearance space minimum distance is not less than 2mm；23 elastic portion of third elastic slice and
Clearance space is formed between four elastic slices, 24 elastic portion, the clearance space minimum distance is not less than 2mm；First elastic slice 21,
Second elastic slice 22, third elastic slice 23, the 4th elastic slice 24 elastic portion be provided with the curved curved surface of transition.First elastic slice, 21 He
High pressure gas is equipped between second elastic slice 22, the high-pressure gas pressure is higher than zero infiltration board gate of flue gas desulfurization flue gas lateral pressure
300Pa；High pressure gas is equipped between the third elastic slice 23 and the 4th elastic slice 24, the high-pressure gas pressure is higher than zero infiltration cigarette
Desulfurization baffle door flue gas lateral pressure 300Pa；The upper gasket 41 and lower seal pad 42 are that stainless steel material is made, table
Face finish is 1.6.
In the utility model embodiment, one is constituted between overhead gage gate flap piece 1, lower baffle plate gate flap piece 5 and sealing device
A sealing structure, the sealing structure show parallelogram sturcutre, and upper cushion block 61 make with the presence of lower cushion block 62 it is parallel
The each edge of quadrilateral structure is double containment state, such combination, so that being separated by inside and outside zero infiltration board gate of flue gas desulfurization
Blocking reach 8 seal forms, pass between zero infiltration two sealing devices of board gate of flue gas desulfurization or so higher than flue gas
The pressure air of side 500Pa pressure leads between two elastic slices of parallelogram sturcutre each edge higher than fume side 300Pa's
The pressure air of pressure, so that zero infiltration board gate of flue gas desulfurization forms high pressure to low pressure transition, thus shape from middle part to two sides
At efficient sealed effect；Lead to especially between two elastic slices of parallelogram sturcutre each edge higher than fume side 300Pa's
The pressure air of pressure can effectively hinder flue gas to enter the other side of first of sealing elastic slice, and transitional pressure can be effective
Slow down the active force to elastic piece structure, so that elastic slice elastic force obtains bigger performance.In the embodiment, double elastic slice designs are used
It is filled above fume side 300Pa gas in the seal chamber of elastic slice composition, the sealing effect for realizing board gate of flue gas desulfurization reaches
To 99.99% or more, nearly close to the perfect condition of zero infiltration；Elastic slice can be realized simultaneously with gasket when replacing pressing plate
Quick-replaceable improves baffle door maintenance efficiency；Product Process is simple, it is low in cost, be very suitable for Introduction For Flue Gas Desulfarization System Of Electric Power Plant
Middle use.
Claims (7)
1. one kind zero permeates board gate of flue gas desulfurization sealing structure, including overhead gage gate flap piece (1) and lower baffle plate gate flap piece (5),
Sealing device, the overhead gage are housed between the side corresponding with lower baffle plate gate flap piece (5) of the overhead gage gate flap piece (1) side
Gate flap piece (1) other side is also equipped with sealing device between the other side corresponding with lower baffle plate gate flap piece (5), and the sealing device is equal
It is to be fixed on overhead gage gate flap piece (1) and lower baffle plate gate flap piece (5) with bolt and pressing plate (3), which is characterized in that the sealing
Device include the first elastic slice (21), the second elastic slice (22), third elastic slice (23), the 4th elastic slice (24), upper gasket (41), under it is close
Packing (42), upper cushion block (61) and lower cushion block (62) are set between the first elastic slice (21) root and the second elastic slice (22) root
Have upper cushion block (61), second elastic slice (22), upper cushion block (61) and the first elastic slice (21) are subsequently attached to overhead gage gate flap piece
(1) pressing plate (3) end on is equipped with lower cushion block (62) between third elastic slice (23) root and the 4th elastic slice (24) root,
4th elastic slice (24), lower cushion block (62) and third elastic slice (23) are subsequently attached to the pressing plate (3) on lower baffle plate gate flap piece (5)
End, the second elastic slice (22) root outside are equipped with upper gasket (41), are equipped with down on the outside of the 4th elastic slice (24) root
Gasket (42), first elastic slice (21) and the second elastic slice (22) can be in overhead gage gate flap pieces (1) and lower baffle plate gate flap piece
(5) cooperation rotating down pressing is connected to lower seal pad (42), and the third elastic slice (23) and the 4th elastic slice (24) also can be in upper gears
Gasket (41) is crimped under the synchronous rotary of plate gate flap piece (1) and lower baffle plate gate flap piece (5).
2. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that described first
Clearance space is formed between elastic slice (21) elastic portion and the second elastic slice (22) elastic portion, the clearance space minimum distance is not less than
2mm。
3. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that the third
Clearance space is formed between elastic slice (23) elastic portion and the 4th elastic slice (24) elastic portion, the clearance space minimum distance is not less than
2mm。
4. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that described first
Elastic slice (21), the second elastic slice (22), third elastic slice (23), the 4th elastic slice (24) elastic portion be provided with the curved curved surface of transition.
5. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that described first
High pressure gas is equipped between elastic slice (21) and the second elastic slice (22), the high-pressure gas pressure is higher than zero infiltration flue gas desulfurization baffle
Door flue gas lateral pressure 300Pa.
6. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that the third
High pressure gas is equipped between elastic slice (23) and the 4th elastic slice (24), the high-pressure gas pressure is higher than zero infiltration flue gas desulfurization baffle
Door flue gas lateral pressure 300Pa.
7. a kind of zero infiltration board gate of flue gas desulfurization sealing structure according to claim 1, which is characterized in that described close
Packing (41) and lower seal pad (42) are that stainless steel or soft rubber material are made, and surface smoothness is 1.6 or 3.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498304.5U CN209229768U (en) | 2018-09-13 | 2018-09-13 | One kind zero permeates board gate of flue gas desulfurization sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821498304.5U CN209229768U (en) | 2018-09-13 | 2018-09-13 | One kind zero permeates board gate of flue gas desulfurization sealing structure |
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| CN209229768U true CN209229768U (en) | 2019-08-09 |
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| CN201821498304.5U Active CN209229768U (en) | 2018-09-13 | 2018-09-13 | One kind zero permeates board gate of flue gas desulfurization sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140478A (en) * | 2018-09-13 | 2019-01-04 | 江苏永昌膨胀节有限公司 | One kind zero permeates board gate of flue gas desulfurization sealing structure |
-
2018
- 2018-09-13 CN CN201821498304.5U patent/CN209229768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140478A (en) * | 2018-09-13 | 2019-01-04 | 江苏永昌膨胀节有限公司 | One kind zero permeates board gate of flue gas desulfurization sealing structure |
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