CN206809915U - A kind of pneumatic combined demisting separator of flat board - Google Patents
A kind of pneumatic combined demisting separator of flat board Download PDFInfo
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- CN206809915U CN206809915U CN201720712750.0U CN201720712750U CN206809915U CN 206809915 U CN206809915 U CN 206809915U CN 201720712750 U CN201720712750 U CN 201720712750U CN 206809915 U CN206809915 U CN 206809915U
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Abstract
A kind of pneumatic combined demisting separator of flat board is the utility model is related to, belongs to wet process of FGD demister field.The pneumatic combined demisting separator of flat board, including cylinder, the first demister and the second demister；The cylinder includes top cylindrical cylinder and bottom square cylinder, the top cylindrical cylinder and bottom square cylinder communicate, and the cross section of the bottom square cylinder is square, first demister is arranged in inside the square cylinder of bottom, and second demister is arranged in top cylindrical inner barrel.First demister includes blade fixture and several sinusoidal pattern demisting blades.Second demister includes blade positioning tube, blind plate and several plate swirl vanes.The pneumatic combined demisting separator of flat board described in the utility model has simple and practical, and easy to operate, cost is cheap, the advantages that being easy to popularize.
Description
Technical field
A kind of pneumatic combined demisting separator of flat board is the utility model is related to, belongs to wet process of FGD demister
Field.
Background technology
Lime stone-gypsum wet flue gas desulfurizing technology be current China be used for administer coal-burning power plant discharge contain a large amount of two
The technical measures of the smoke pollution of sulfur oxide, the technology are domestic and international most ripe, widely used desulfurization technologies, at home
Using reaching more than 95%.Lime stone-gypsum wet flue gas desulfurizing technology is contained using limestone desulfurizer spray-absorption
There is the fire coal boiler fume of sulfur dioxide pernicious gas, reached by desulfurizer slurry and smoke contacts reactive absorption pernicious gas
To the purpose of purifying smoke.
Also remaining has more droplet and dust in flue gas after spray-absorption is cleaned, and wherein droplet includes water
Mist, the sulfur trioxide not being removed meet the sulfuric acid droplet of water generation, the calcium sulfate and calcium sulfite drop of desulphurization reaction generation
Deng, flue gas demister must be used to remove the droplet in flue gas before desulfurizing tower discharge, to prevent highly acid mist contained in flue gas
The follow-up equipment such as drop and the droplet erosion flue such as calcium sulfite and cause equipment surface fouling.
At present in domestic desulfurizing item, the form of demister generally has flat and two kinds of ridge type, and two kinds of patterns are all
There is wide application.Wherein ridge type demister efficiency high, but the ridge type demister pressure loss is big, demister system energy consumption
Greatly, ridge type demister is highly generally 2.6m or so, and investment is higher；Flat defroster is relatively inefficient, design is simple,
Crushing is low, and height is generally 3.2~3.4m, and investment is relatively low.To improve demisting efficiency, in general combined defroster device
Individual layer or double-deck ridge type deflection plate demister are generally added using flat tubular demister.But because of flue gas stream in system
It is fast high, substantial amounts of large-size particles thing is entrained with flue gas, flat tubular demister can produce local stoppages phenomenon and cause cigarette
Gas velocity skewness, influence the using effect of downstream ridge type demister, so as to cause demister defogging effect be deteriorated and
It is unable to reach national requirements for environmental protection.Also, because surface tension factors cause to rinse uneven moisture film covering, drop and plate generation bullet
Property collision back-mixing enters flue gas again, be one of the key reason for causing demisting efficiency decline.
Utility model content
To overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of demisting efficiency height, resistance
Power is low, installing space is small, the pneumatic combined demisting separator of the high-efficient flat-plate of stable and reliable operation.
The purpose of this utility model is achieved through the following technical solutions：
A kind of pneumatic combined demisting separator of flat board, including cylinder, the first demister and the second demister；Institute
Stating cylinder includes top cylindrical cylinder and bottom square cylinder, and the top cylindrical cylinder and bottom square cylinder communicate, and institute
State the cross section of bottom square cylinder to be arranged in inside the square cylinder of bottom for square, first demister, described the
Two demisters are arranged in top cylindrical inner barrel；Wherein,
The outline of first demister is the square body corresponding with the bottom square cylinder；Described first removes
Mist device includes blade fixture and several sinusoidal pattern demisting blades, and the blade fixture is horizontally disposed, and several sinusoidal patterns remove
Mist blade is vertically installed on the blade fixture at equal intervals；
Second demister includes blade positioning tube, blind plate and several plate swirl vanes；The blade is determined
Position cylinder is cylindrical, and its external diameter is corresponding with the internal diameter of the top cylindrical cylinder；The blind plate is in cylinder, and it is along the leaf
The central shaft of piece positioning tube is set；Circumferencial direction of the plate swirl vane along blind plate is evenly arranged in blade positioning tube
Portion.
Further, the top surface of first demister is disposed with one or more blade fixtures, the blade fixture
For long axis frame, several mounting holes are provided with along the long axis frame, for installing the sinusoidal pattern demisting blade.
Further, the sinusoidal pattern demisting blade includes the flat part and central arch part of its both sides, the sinusoidal pattern
The side flat part of demisting blade is arranged on the blade fixture of the first demister top surface, and its clipping room is away from for 25mm.
Further, the sole arrangement of first demister has one or more blade fixtures, and described first removes
The blade fixture that the top surface of mist device or bottom surface are arranged is no more than 4.
Further, the opposite side flat part of the sinusoidal pattern demisting blade is arranged on the blade of the first demister bottom surface
On fixture.
Further, first demister by the both ends buckle of the blade fixture, be bonded or be welded on bottom
On square cylinder inwall, or by the both ends of sinusoidal pattern demisting blade it is bonded or is welded on the square cylinder inwall of bottom.
Further, the quantity of the plate swirl vane is 16~24, and it is tiltedly mounted on blind plate successively, institute
The angle for stating plate swirl vane and horizontal plane is 20~45 degree.
Further, the pneumatic combined demisting separator of the flat board is arranged on the spraying layer in desulfuration absorbing tower
Side, wherein the longitudinal pitch between first demister and the second demister is 100~800mm.
Further, neck is provided with outside the blade positioning tube, second demister is fixed by the neck
In top cylindrical inner barrel.
Further, the plate swirl vane is internally provided with one or more layers in blade positioning tube, every layer of flat board
Longitudinal pitch between type swirl vane is 300~800mm.
Further, described plate swirl vane one end is fixed on blind plate, and the other end is fixed on blade positioning tube
On inwall.
The beneficial effects of the utility model are：
The pneumatic combined demisting separator of flat board described in the utility model is removed by the first demister and second respectively
Mist device constitutes in cylinder vertical direction to be collectively forming by what sinusoidal pattern demisting blade and plate swirl vane were arranged
Novel flue gas demisting passage.First demister and the second demister can be dismantled flexibly, convenient cleaning and maintenance.Passing through
After crossing anti-corrosion treatment, by sinusoidal pattern demisting blade and the flue gas demisting passage being collectively forming of plate swirl vane arrangement
Structural strength, cost of manufacture and maintenance convenience can be taken into account on the premise of defogging effect is optimal, is overcome completely old
There is demister in structural strength, defogging effect, production cost and safeguard the defects of aspect of convenience four can not be taken into account.In addition, should
The pneumatic combined demisting separator of flat board also have it is simple and practical, easy to operate, cost is cheap, is easy to popularize
Advantage.
Brief description of the drawings
Fig. 1 is the sectional view of the pneumatic combined demisting separator of flat board described in the utility model；
Fig. 2 is the top view of the pneumatic combined demisting separator of flat board described in the utility model；
Fig. 3 is the structural representation of the first demister described in the utility model；
Wherein, the plate swirl vanes of 2-, 3- blade positioning tubes, 4- blind plates, 5- blade fixtures, 6- sinusoidal pattern demisting leaves
Piece, 7- bottoms square cylinder, 8- top cylindrical cylinders.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
As shown in figure 1, a kind of pneumatic combined demisting separator of flat board, including cylinder 1, the first demister and second
Demister；The cylinder includes top cylindrical cylinder 8 and bottom square cylinder 7, and the top cylindrical cylinder 8 and bottom are square
Cylinder 7 communicates, and the cross section of the bottom square cylinder 7 is square, and it is square that first demister is arranged in bottom
Inside cylinder 7, second demister is arranged in inside top cylindrical cylinder 8.
As shown in figure 3, the outline of first demister is corresponding with the bottom square cylinder 7 square
Body；First demister includes blade fixture 5 and several sinusoidal pattern demisting blades 6, the 5 horizontal cloth of blade fixture
Put, several sinusoidal pattern demisting blades 6 are vertically installed on the blade fixture 5 at equal intervals.
The top surface of first demister is disposed with one or more blade fixtures 5, it is preferred that the first demisting dress
The sole arrangement put has one or more blade fixtures 5, and the blade that the top surface of first demister or bottom surface are arranged
Fixture 5 is no more than 4.The blade fixture 5 is long axis frame, is provided with several mounting holes along the long axis frame, is used for
The sinusoidal pattern demisting blade 6 is installed.
The sinusoidal pattern demisting blade 6 includes the flat part and central arch part of its both sides, the sinusoidal pattern demisting blade 6
Side flat part be arranged on the blade fixture 5 of the first demister top surface, its clipping room is away from for 25mm.
The opposite side flat part of the sinusoidal pattern demisting blade 6 is arranged on the blade fixture 5 of the first demister bottom surface.
First demister by the both ends buckle of the blade fixture 5, be bonded or be welded on bottom square cylinder 7
On inwall, or by the both ends of sinusoidal pattern demisting blade 6 it is bonded or is welded on the inwall of bottom square cylinder 7.
As shown in Fig. 2 second demister includes blade positioning tube 3, blind plate 4 and several plate swirl vanes
2；The blade positioning tube 3 is cylindrical, and its external diameter is corresponding with the internal diameter of the top cylindrical cylinder 8；The blind plate 4 is in circle
Cylindricality, its central shaft along the blade positioning tube 3 are set；Circumferencial direction of the plate swirl vane 2 along blind plate 4 is uniform
It is arranged in inside blade positioning tube 3.
The quantity of the plate swirl vane 2 is 16~24, and it is tiltedly mounted on blind plate 4 successively, the flat board
Type swirl vane 2 is internally provided with 1~3 layer in blade positioning tube 3, the longitudinal pitch of every layer of plate swirl vane 2 for 300~
800mm.The angle of the plate swirl vane 2 and horizontal plane is 20~45 degree.Described one end of plate swirl vane 2 is fixed
On blind plate 4, the other end is fixed on the inwall of blade positioning tube 3.
The outside of blade positioning tube 3 is provided with neck, and second demister is fixed on top circle by the neck
Inside column casing body 8.
The pneumatic combined demisting separator of flat board is arranged on above the spraying layer in desulfuration absorbing tower, wherein described
Longitudinal pitch between first demister and the second demister is 100~800mm.
Operation principle：According to the needs of specific operating mode, the pneumatic combined demisting separator of the flat board is placed in wet method cigarette
In desulfurization system, also remaining has a more droplet in the flue gas after spray-absorption is cleaned, wherein droplet include water smoke,
The sulfur trioxide not being removed meets the sulfuric acid droplet of water generation, the calcium sulfate of desulphurization reaction generation and calcium sulfite drop etc.,
Flue gas enters the pneumatic combined demisting separator of the flat board through conveyance conduit, first flows through in the first demister by sine
The sinusoidal waveform demisting runner that type demisting blade is formed, due to the deviation of streamline, gas-liquid is realized using the inertial collision of drop
Separation, remove most larger drop in flue gas.Now, the flue gas continuation with residual droplet flows to second along cylinder and removed
Mist device, when flowing through the spiral shape demisting runner formed in the second demister by plate swirl vane, in centrifugal force
In the presence of realize gas-liquid separation, further remove the droplet that remains in flue gas.Plate swirl vane non-distorted design effect
Fruit is good, reduces the possibility of blade fouling, can prevent the advantages of blade blockage, at the same flue gas from spiral shape demisting runner when cigarette speed
It is high thus demisting efficiency it is high.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of pneumatic combined demisting separator of flat board, it is characterised in that including cylinder (1), the first demister and
Two demisters；The cylinder includes top cylindrical cylinder (8) and bottom square cylinder (7), the top cylindrical cylinder (8) and
Bottom square cylinder (7) communicates, and the cross section of the bottom square cylinder (7) is square, the first demister cloth
Put in bottom square cylinder (7) inside, it is internal that second demister is arranged in top cylindrical cylinder (8)；Wherein,
The outline of first demister is the square body corresponding with the bottom square cylinder (7)；Described first removes
Mist device includes blade fixture (5) and several sinusoidal pattern demisting blades (6), and the blade fixture (5) is horizontally disposed, several
Sinusoidal pattern demisting blade (6) is vertically installed on the blade fixture (5) at equal intervals；
Second demister includes blade positioning tube (3), blind plate (4) and several plate swirl vanes (2)；The leaf
Piece positioning tube (3) is cylindrical, and its external diameter is corresponding with the internal diameter of the top cylindrical cylinder (8)；The blind plate (4) is in cylinder
Shape, its central shaft along the blade positioning tube (3) are set；Circumferencial direction of the plate swirl vane (2) along blind plate (4)
It is internal to be evenly arranged in blade positioning tube (3).
2. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that the first demisting dress
The top surface put is disposed with one or more blade fixtures (5), and the blade fixture (5) is long axis frame, along the long axis frame
Provided with several mounting holes, for installing the sinusoidal pattern demisting blade (6).
3. the pneumatic combined demisting separator of flat board according to claim 2, it is characterised in that the sinusoidal pattern demisting
Blade (6) includes the flat part and central arch part of its both sides, and the side flat part of the sinusoidal pattern demisting blade (6) is arranged on
On the blade fixture (5) of first demister top surface, its clipping room is away from for 25mm.
4. the pneumatic combined demisting separator of flat board according to claim 2, it is characterised in that the first demisting dress
The sole arrangement put has one or more blade fixtures (5), and the leaf that the top surface of first demister or bottom surface are arranged
Plate clamp (5) is no more than 4.
5. the pneumatic combined demisting separator of flat board according to claim 3 or 4, it is characterised in that the sinusoidal pattern
The opposite side flat part of demisting blade (6) is arranged on the blade fixture (5) of the first demister bottom surface.
6. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that the first demisting dress
The both ends buckle by the blade fixture (5) is put, is bonded or is welded on bottom square cylinder (7) inwall, or passes through sine
The both ends bonding of type demisting blade (6) is welded on bottom square cylinder (7) inwall.
7. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that the plate eddy flow
The quantity of blade (2) is 16~24, and it is tiltedly mounted on blind plate (4) successively, the plate swirl vane (2) and level
The angle in face is 20~45 degree.
8. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that pneumatic group of the flat board
Box-like demisting separator is arranged on above the spraying layer in desulfuration absorbing tower, wherein first demister and the second demisting
Longitudinal pitch between device is 100~800mm.
9. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that the blade positioning tube
(3) outside to be provided with neck, second demister is fixed on top cylindrical cylinder (8) inside by the neck.
10. the pneumatic combined demisting separator of flat board according to claim 1, it is characterised in that the plate rotation
Stream blade (2) is internally provided with one or more layers in blade positioning tube (3), the longitudinal direction between every layer of plate swirl vane (2)
Spacing is 300~800mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712750.0U CN206809915U (en) | 2017-06-19 | 2017-06-19 | A kind of pneumatic combined demisting separator of flat board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720712750.0U CN206809915U (en) | 2017-06-19 | 2017-06-19 | A kind of pneumatic combined demisting separator of flat board |
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| Publication Number | Publication Date |
|---|---|
| CN206809915U true CN206809915U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720712750.0U Active CN206809915U (en) | 2017-06-19 | 2017-06-19 | A kind of pneumatic combined demisting separator of flat board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008063A (en) * | 2017-06-19 | 2017-08-04 | 大唐环境产业集团股份有限公司 | A kind of pneumatic combined demisting separator of flat board |
| CN112354291A (en) * | 2020-11-17 | 2021-02-12 | 庄伙金 | Industrial waste gas high-temperature purification equipment |
-
2017
- 2017-06-19 CN CN201720712750.0U patent/CN206809915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107008063A (en) * | 2017-06-19 | 2017-08-04 | 大唐环境产业集团股份有限公司 | A kind of pneumatic combined demisting separator of flat board |
| CN112354291A (en) * | 2020-11-17 | 2021-02-12 | 庄伙金 | Industrial waste gas high-temperature purification equipment |
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