CN105854425B - A kind of depth dedusting demister - Google Patents
A kind of depth dedusting demister Download PDFInfo
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- CN105854425B CN105854425B CN201610316811.1A CN201610316811A CN105854425B CN 105854425 B CN105854425 B CN 105854425B CN 201610316811 A CN201610316811 A CN 201610316811A CN 105854425 B CN105854425 B CN 105854425B
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- guide shell
- helical duct
- gas channel
- dedusting demister
- inwall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- Chemical Kinetics & Catalysis (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The present invention relates to a kind of depth dedusting demister, including, the guide shell being arranged in absorption tower, gas channel is provided with guide shell, it is additionally provided with above gas channel and is attached thereto logical helical duct, towards being obliquely installed, the barrel of the guide shell is higher than the outlet of helical duct for the outlet of the helical duct, and forms a volume with opening in the top of helical duct and expand chamber.The present invention in the top of gas channel by increasing helical duct, in flue gas uphill process, under the double action of centrifugal force and inertial collision, make between the water droplet in flue gas and water droplet, have the function that to absorb dust in continuous rotation, collision movement between water droplet and dust and between water droplet and conduit wall and remove drop, effectively increase demisting efficiency of dust collection, expand chamber in volume, velocity of flue gas reduces, the drop landing of separation, drop is discharged by the downward passage separated with flue gas, prevents secondary droplets.
Description
Technical field
The present invention relates to flue gas processing device, especially a kind of depth dedusting demister.
Background technology
Demister is widely used in the drop that gas is carried secretly in knockout tower, can effectively remove droplet, prevent it to be emitted into greatly
Gas, existing demister use the vane type of array arrangement more, and flue gas realizes two-dimensional deflection when by demister blade, and
Collided with demister blade, realize the separation of droplet and gas.But because the demister of this structure can only realize flue gas
Two Dimensional Rotating, therefore dedusting demisting efficiency is not high.The Chinese utility model patent of Patent No. 201420674592.0, it is open
A kind of depth dedusting demister, the saturated flue gas gas in desulfuration absorbing tower, containing a large amount of droplets is from bottom to top
Flow section on, it is characterised in that including the guide shell and n turbulent flows being arranged in guide shell, n >=1；Wherein,
Described guide shell is circular cylinder be disposed vertically, that internal face is smooth；N turbulent flow is each perpendicular to water conservancy diversion barrel
Arrangement up and down；Described turbulent flow attached bag includes the smooth blade in some surfaces and the central tube of outer smooth, some blades with
Certain angle of inclination is evenly distributed in the annular section between center drum outer wall and guide shell inwall；The central tube is outside
The circular cylinder of smooth top closure.The invention by set turbulent flow make flue gas rise while, realize three-dimensional rotation,
Be advantageous to improve demisting efficiency, but postrotational flue gas, the center portion thereof point is difficult to contact with barrel, and the partial fume may be directly
It is disposed in air.In addition, the invention does not have special drainage channel, the liquid to get off and the unordered flowing of dust are collected, is held
Easily form secondary droplets.Further, the no volume of the invention expands chamber, the process that flue gas neither one slows down, is unfavorable for drop
Sedimentation.Therefore, its defogging effect is limited, it is difficult to meets actual requirement.
Given this present invention is proposed.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of depth dedusting that can improve demisting efficiency
Demister.
In order to realize the purpose, the present invention adopts the following technical scheme that：
A kind of depth dedusting demister, including, the guide shell being arranged in absorption tower, interior be provided with of guide shell supplies flue gas stream
Logical gas channel, the helical duct being connected with gas channel, the helical duct are additionally provided with above the gas channel
Outlet-inclined impeller vane set up, the barrel of the guide shell is higher than the outlet of helical duct, and is formed in the top of helical duct
One has the cavity volume that opening and volume expand relative to helical duct.
Further, the gas channel is arranged to multiple, each gas channel one helical duct of corresponding connection, leads in air-flow
The arrival end in road is provided with eddy flow part, and the outlet of the entrance and gas channel of the helical duct is seamless connection.
Further, the center of the helical duct is provided with a through hole, and the via bottoms are connected with a drainpipe, the row
Water pipe extends downward into the lower section of gas channel, and the through hole collectively forms with drainpipe to be connected the draining of guide shell upper and lower side and lead to
Road, the flowing that the drainage channel makes the upward flowing of flue gas downward with liquid are separated into non-interference two passes, avoided
The secondary droplets of liquid.
Further, the guide shell is cylindrical shape, and the helical duct is spliced to form by multiple submodule, the submodule
For cylinder, inside is provided with the helical duct of 1/4 circle, and the end face of adjacent two submodule is bonded to each other, and the outer wall of submodule is with leading
Flow cartridge inwall coordinates for gap.
Further, the helical duct is formed by more pipes along guide shell axial screw, and the lower end of the pipe is downward
Bending is connected with gas channel, and upper end connects with cavity volume, and the end port is horizontal cut.
Further, the guide shell is cylindrical shape, and the helical duct is arranged in guide shell, in its outer wall and guide shell
Wall is bonded, and is respectively equipped with end plate in the upper and lower ends of helical duct, the end plate is provided with the opening to match with helical duct, end
The outward flange of plate is seamlessly connected with guide shell inwall, and an opening is further respectively had at the center of upper and lower ends plate, and by always
Pipe is connected, and the lower end of the straight tube is connected with drainpipe.
Further, the guide shell is cylindrical shape, and its center is provided with a support tube, ring between the guide shell and support tube
Multi-slice spiral plate is provided with shape region, the spiral plate surrounds support tube spiral, and its inner side edge connects with support pipe outer wall
Connect, outer side edges are connected with guide shell inwall, and one is collectively formed with support pipe outer wall and guide shell inwall between adjacent two spiral plate
Helical duct.
Further, the support tube is round tube, and its inner hollow forms the through hole, the bottom of support tube and drainpipe
Connection, the spiral plate are provided with Seal end plate close to one end of gas channel, and the Seal end plate is provided with opening, the opening
Gas channel is corresponded with helical duct and connected.
Further, the helical duct is cylindrical helical, and spiral number of turns are no less than half-turn.
Further, the eddy flow part includes, a fixing axle and some blades being obliquely installed around fixing axle, the fixation
Axle position is fixedly connected in the center of gas channel, and with blade, and the blade is evenly distributed between fixing axle and gas channel,
And the part edge of blade is fixedly connected with the inwall of gas channel.
Further, the guide shell is multiple, and to be arranged in parallel, multiple guide shells are full of the section on absorption tower jointly,
The blind plate for sealing is additionally provided with the edge that guide shell is connected with absorption tower.
After technical solutions according to the invention, following beneficial effect is brought：
The present invention makes flue gas be changed into by original vertical ascent on spiral by the way that eddy flow part is combined with helical duct
Rise, multidimensional rotation is changed into from original two-dimensional deflection, after flue gas enters helical duct outside guide shell, because circulation area becomes
Small, flue gas flow rate substantially increases, and improves to the liquid and the centrifugal action of solid in flue gas.And the cigarette in uphill process
Three-dimensional rotation, collision constantly occur for gas, substantially increase the speed that droplet condenses with dust, after flue gas flows out helical duct,
Flue gas in each passage will continue rotation mixing by the inertia of itself and collide, and constantly be collided with guide shell inwall,
Continue to condense in guide shell.After flue gas discharges helical duct, the cavity volume that a volume expands, flue gas are formed in guide shell
Flow velocity declines, and is advantageous to avoid the secondary droplets of the liquid and solid caught in helical duct.The setting of helical duct is not only
Increase the flow of flue gas so that the droplet in flue gas has sufficient setting time with dust, and also increases droplet and spiral shell
The area of vias inner walls contact is revolved, is advantageous to the condensation of droplet so that demisting efficiency is further enhanced.Rose in flue gas
Cheng Zhong, under the double action of centrifugal force and inertial collision, make between the water droplet in flue gas and water droplet, between water droplet and dust with
And have the function that to absorb dust in continuous rotation, collision movement between water droplet and conduit wall and remove drop, effectively carry
High demisting efficiency of dust collection.Simultaneously because realizing the separation of ascending air and downward apocenosis passage, secondary droplets are avoided.
Under the synergy of above-mentioned multiple factors, discharge dust content can be reached and be less than 5mg/Nm3, droplet content is less than 15mg/Nm3
Good dedusting defogging effect, while the resistance of flue gas is less than 300Pa in passage.
Brief description of the drawings
Fig. 1：The structural representation of the present invention；
Fig. 2：The upward view of the embodiment of the present invention one；
Fig. 3：For Fig. 2 A-A faces sectional view；
Fig. 4：The structural representation of the helical duct of the embodiment of the present invention one；
Fig. 5：The structural representation of the submodule of the embodiment of the present invention one；
Fig. 6：The upward view of the embodiment of the present invention two；
Fig. 7：For Fig. 6 B-B faces sectional view；
Fig. 8：The structural representation of the helical duct of the embodiment of the present invention two；
Fig. 9：The structural representation of single helical duct in the embodiment of the present invention two；
Figure 10：For Fig. 7 Y close-up schematic views；
Figure 11：The upward view of the embodiment of the present invention three；
Figure 12：For Figure 11 C-C faces sectional view；
Figure 13：For Figure 12 G close-up schematic views；
Figure 14：The embodiment of the present invention three removes the helical channel structure schematic diagram after the water conservancy diversion barrel of part；
Figure 15：The spiral plate structure schematic diagram of the embodiment of the present invention three；
Figure 16：Scheme of installation of the present invention in absorption tower；
Figure 17：Structural representation after present invention increase Venturi tube and drip ring；
Wherein：1st, guide shell 2, gas channel 3, eddy flow part 4, helical duct 5, cavity volume 6, through hole 7, row
Water pipe 8, submodule 9, end plate 11, chute 12, projection 13, Venturi tube 14, drip ring 31, fixing axle
32nd, blade 41, spiral plate 61, straight tube 62, support tube 63, Seal end plate.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of depth dedusting demister, including, the guide shell 1 being arranged in absorption tower, in guide shell 1
Provided with the gas channel 2 for flue gas circulation, installed in the eddy flow part 3 of the arrival end of gas channel 2, and on gas channel 2
The helical duct 4 that Fang Bingyu gas channels 2 are connected.The flue gas of droplet is carried from the arrival end of gas channel 2, by eddy flow
After part 3, entered in a manner of rotating and rising in gas channel 2, and enter helical duct 4 along gas channel 2, in helical duct 4
Interior, the inwall of droplet and helical duct 4 collides, and is condensed into after small water droplet and flows downward out guide shell 1 along vias inner walls.It is described
The outlet-inclined impeller vane of helical duct 4 is set up, and flue gas tangentially will be sent out after the outflow of helical duct 4 with the inwall of guide shell 1
Raw collision, the droplet of residual is set to improve demisting efficiency further in the condensed on inner walls of guide shell 1.The barrel of the guide shell 1 is high
In the outlet of helical duct 4, and form one in the top of helical duct 4 and expand with opening and volume relative to helical duct 4
Big cavity volume 5, flue gas from helical duct 4 outflow after continue the internal rotation of cavity volume 5 rise, droplet is mutually collided, be condensed into compared with
The bottom of cavity volume 5 is dropped to after big water droplet, clean gas is discharged into air from the opening of the top of cavity volume 5.
Embodiment one
With reference to shown in Fig. 2 and Fig. 3, the helical duct 4 is cylindrical helical, and spiral number of turns are no less than half-turn, cylinder
The front projection that shape spiral is the helix of helical duct 4 is sine curve, and floor projection is round.Because helical duct 4 leans on
The inwall of guide shell 1 is bordering on, therefore, the gas flowed out from helical duct 4 will rise along its tangent line, and in the inwall of guide shell 1
In the presence of concentrate on around the inwall of guide shell 1, spiralling annular flow band is formed, accordingly, in guide shell 1
The flue gas of the heart is less, and inwall of most of flue gas constantly with guide shell 1 in annular flow band collides, and flue gas is with spiral shell
Rotation mode rises, and flow is longer, droplet is had sufficient setting time, improves defogging effect.
The center of the helical duct 4 is provided with a through hole 6, and the through hole 6 is connected with the cavity volume 5 of guide shell 1, through hole 6
Bottom is connected with a drainpipe 7, and the drainpipe 7 extends downward into the lower section of gas channel 2, and the through hole 6 is common with drainpipe 7
With the drainage channel for forming the connection upper and lower side of guide shell 1.The water droplet condensed in cavity volume 5, falls into behind the bottom of cavity volume 5 through through hole 6
Collect and flow into drainpipe 7, and guide shell 1 is flowed out along drainpipe 7, fall into the slurry pool or sedimentation basin of the lower section of guide shell 1.
As shown in Figure 4 and Figure 5, it is spliced to form for ease of processing, the helical duct 4 by multiple submodule 8, the submodule
Block 8 is cylinder, and inside is provided with the helical duct of 1/4 circle, and the helical duct of adjacent two submodule 8 is in 90 ° of settings, in submodule
8 center is through hole 6, by by submodule 8 is assembled form complete helical duct 4 after, load to guide shell 1, and with gas
Circulation road 2 connects.As another assembly method, submodule 8 can be also sequentially loaded into guide shell 1, complete to spell in guide shell 1
Dress.
The guide shell 1 is cylindrical shape, its inner wall smooth, and is provided with chute 11, the outer wall of the submodule 8 be provided with
The projection 12 that chute 11 coordinates, positioning of the submodule 8 in guide shell 1 is realized by chute 11 and the cooperation of projection 12, it is described
Chute 11 be may also be arranged on submodule 8, and correspondingly, projection 12 is arranged on the inwall of guide shell 1.Preferably, submodule 8 is outer
Wall coordinates with the inwall of guide shell 1 for gap, to facilitate installation.
For ease of assembling, the end face of the submodule 8 is horizontal plane, and the end face of adjacent two submodule 8 is bonded to each other, and is
It is seamlessly connected, to reach preferable sealing effectiveness, avoids flue gas from entering between two submodules 8.
Preferably, the drainpipe 7 includes, interconnected straight length and U-tube section, and the upper end of the straight length is with leading to
The bottom of hole 6 connects, and lower end extends to the lower section of gas channel 2 straight down, i.e. the length of straight length is more than the length of gas channel 2
Degree.The U-tube section is located at the lower end of straight length, and its mouth of pipe is set upward, and is located at the lower section of gas channel 2, U-tube section
Bottom is used to store partially liq, fluid-tight is formed, to avoid flue gas from directly entering to the cavity volume 5 of the upper end of guide shell 1 from drainpipe 7
It is interior.The drainpipe 7 can also use the other structures with identical function, such as install one-way valve structures.
The eddy flow part 3 makes the vertical motion of flue gas from bottom to top be changed into rotation ascending motion, and eddy flow part 3 includes, and one
Fixing axle 31 and some blades 32 being obliquely installed around fixing axle 31, the fixing axle 31 are set parallel to the axis of guide shell 1
Put, and positioned at the center of gas channel 2, be fixedly connected with blade 32, the blade 32 is evenly distributed on fixing axle 31 and air-flow
Between passage 2, and the part edge of blade 32 is fixedly connected with the inwall of gas channel 2.Preferably, adjacent blades 32 are led on edge
Projection on the axis direction of flow cartridge 1, which exists, to partly overlap, so that flue gas reaches preferable rotates effe.The blade 32 is surface
Smooth laminar fan-shaped part.Fixing axle 31, blade 32 and gas channel 2 are fixed together, can use welding or
Bonding.
For rotates effe of the enhancing flue gas in gas channel 2, the eddy flow part 3 could be arranged to two layers, or multilayer.
To improve demisting efficiency, the gas channel 2 is arranged to multiple, and each gas channel 2 one spiral of corresponding connection leads to
Road 4, and the outlet of the entrance of helical duct 4 and gas channel 2 is seamless connection.The multiple gas channel 2 is with guide shell 1
Rounded array distribution centered on axis, the pitch of the multiple helical duct 4 are identical.
Gas channel 2 in the present embodiment is arranged to four, and is symmetric centered on the axis of guide shell 1, accordingly
, the quantity of helical duct 4 is also four, and uses identical pitch.
Embodiment two
The present embodiment and the difference of embodiment one are：The helical duct 4 is by more pipes along the axial screw of guide shell 1
Formed, the lower end of the pipe is bent downwardly to be connected with gas channel 2, and upper end connects with cavity volume 5, and the end port is horizontal cutting
Mouthful.The helical duct 4 is formed by the way of circular tube spiral can reduce processing capacity, reduce processing cost.
The guide shell 1 is cylindrical shape, and the helical duct 4 is arranged in guide shell 1, its outer wall and the inwall of guide shell 1
Fitting, the i.e. external diameter of helical duct 4 are slightly less than the internal diameter of guide shell 1, end plate 9 are respectively equipped with the upper and lower ends of helical duct 4,
End plate 9 is used to prevent droplet or water droplet from entering in the gap between helical duct 4 and guide shell 1, and the end plate 9 is provided with and spiral shell
Revolve the opening that passage 4 matches, the opening and the open communication of helical duct 4, outward flange and the wall seamless in guide shell 1 of end plate 9
Connection, its connected mode are preferably to weld, and an opening are further respectively had at the center of upper and lower ends plate 9, and pass through a straight tube 61
It is connected, the opening at straight tube 61 and the center of upper and lower ends plate 9 together constitutes through hole 6, lower end and the drainpipe 7 of the straight tube 61
Connection.
Embodiment three
The present embodiment and the difference of embodiment one are：The composition structure of the helical duct 4 is different, and the present embodiment is led
Flow cartridge 1 is cylindrical shape, and its center is provided with a support tube 62, and the diameter of support tube 62 is less than the internal diameter of guide shell 1, in support tube 62
Peripheral solder has the spiral plate 41 of spiral surrounding, annular region of the spiral plate 41 between guide shell 1 and support tube 62
It is interior, the annular region between guide shell 1 and support tube 62 is divided into some single passages, the spiral plate 41 is around support
The spiral of pipe 62, its inner side edge are connected with the outer wall of support tube 62, and outer side edges are connected with the inwall of guide shell 1, adjacent two spiral plate
A helical duct 4, the helical duct 4 and gas channel 2 are collectively formed between 41 with the outer wall of support tube 62 and the inwall of guide shell 1
It is connected.The quantity of spiral plate 41 is identical with the quantity of gas channel 2, so that the quantity of helical duct 4 and the phase of gas channel 2
Together.
The support tube 62 is round tube, and its inner hollow forms the through hole 6, bottom and the drainpipe 7 of support tube 62
Connection, the spiral plate 41 are provided with Seal end plate 63 close to one end of gas channel 2, and the Seal end plate 63 is annular, outside it
Side is connected with the inner wall sealing of guide shell 1, and inner side edge is tightly connected with support tube wall, and the Seal end plate 63 is provided with opening,
The opening, which corresponds gas channel 2 with helical duct 4, to be connected, i.e., every gas channel 2 passes through the opening and a spiral shell
Rotation passage 4 is connected.
As shown in figure 17, it is preferred that in above-mentioned three kinds of embodiments, the opening of the cavity volume 5 is also provided with a circle
Drip ring 14, the drip ring 14 are annular, and its outward flange is connected with the inwall of guide shell 1, flowed up for blocking with air-flow
Water.The top of the helical duct 4, and the inside of guide shell 1 is additionally provided with Venturi tube 13, the Venturi tube 13 and water conservancy diversion
Cylinder 1 is coaxially disposed, and the outer wall of Venturi tube 13 is connected with the inwall of guide shell 1.
As shown in figure 16, because the internal diameter on absorption tower is larger, therefore, the guide shell 1 is multiple, and to be arranged in parallel,
The end of adjacent guide cylinder 1 is mutually spliced by polygon flange, and multiple guide shells 1 are full of the section on absorption tower jointly, are leading
The edge that flow cartridge 1 is connected with absorption tower is additionally provided with the blind plate for sealing, and when flue gas rises in absorption tower, whole flue gases are equal
The even purpose for flowing through guide shell 1, realizing efficient demisting.
It can also be combined on the basis of the present invention with the spray equipment of existing demister, spray equipment is arranged on water conservancy diversion
The top or/and lower section of cylinder 1, to the internal spray flushing water of guide shell 1, to prevent guide shell 1, helical duct 4, gas channel
2 and blade 32 on incrustation.
The present invention operation principle be：
First, the flue gas for being mingled with droplet and dust enters gas from the arrival end of gas channel 2 through eddy flow part 3 from bottom to top
In circulation road 2, when flue gas passes through eddy flow part 3, due to the effect by blade 32, flue gas will rotate and along gas channel
2 continue to ascend into helical duct 4, and in helical duct 4, flue gas not only makes dust be combined with droplet by the rotation of itself,
And the inwall constantly with helical duct 4 is collided, dust and droplet is condensed on the inwall of helical duct 4, is formed
Big water droplet, realization and gas-liquid separation, most of droplet is intercepted with dust in helical duct 4, remaining part droplet and powder
Dirt will be entered in the cavity volume 5 of the upper end of guide shell 1 with ascending air from the outlet of helical duct 4, when droplet and dust are from spiral
During the outlet discharge of passage 4, it will be collided in the presence of self inertia with the inwall of guide shell 1, and condense, the water after condensation
Drop flows out guide shell 1 from through hole 6 and drainpipe 7, and finally, purified gas is discharged into air from the opening of the upper end of cavity volume 5.
Flue gas flow rate before into exhaust gases passes of the present invention is generally between 2-5m/s, in passage of the present invention
Within, flue gas flow rate is lifted between 10-15m/s, with the raising of flue gas flow rate, greatly improves centrifugal force and inertia touches
The efficiency hit.
Described above is embodiments of the present invention, it is noted that for the ordinary skill in the art, not
Under the premise of departing from the principle of the invention, various deformation and improvement can also be made, this should also be considered as protection scope of the present invention.
Claims (10)
1. a kind of depth dedusting demister, including, the guide shell (1) being arranged in absorption tower, interior be provided with of guide shell (1) supplies cigarette
The logical gas channel (2) of air-flow, it is characterised in that：It is additionally provided with above the gas channel (2) and is connected with gas channel (2)
Helical duct (4), the outlet-inclined impeller vane of the helical duct (4) sets up, and the barrel of the guide shell (1) leads to higher than spiral
The outlet in road (4), and a cavity volume (5) with opening is formed in the top of helical duct (4)；In the helical duct (4)
The heart is provided with a through hole (6), and through hole (6) bottom is connected with a drainpipe (7), and the drainpipe (7) extends downward into air-flow
The lower section of passage (2), through hole (6) collectively form the drainage channel for connecting guide shell (1) upper and lower side with drainpipe (7).
A kind of 2. depth dedusting demister according to claim 1, it is characterised in that：The gas channel (2) is set
To be multiple, each gas channel (2) one helical duct of corresponding connection (4), eddy flow part is installed in the arrival end of gas channel (2)
(3), the outlet of the entrance of the helical duct (4) and gas channel (2) is seamless connection.
A kind of 3. depth dedusting demister according to claim 1, it is characterised in that：The guide shell (1) is cylinder
Shape, the helical duct (4) are spliced to form by multiple submodule (8), and the submodule (8) is cylinder, and inside is provided with 1/4 circle
Helical duct, the end face of adjacent two submodule (8) is bonded to each other, and outer wall and guide shell (1) inwall of submodule (8) are gap
Coordinate.
A kind of 4. depth dedusting demister according to claim 1, it is characterised in that：The helical duct (4) is by more
Root pipe is formed along guide shell (1) axial screw, and the lower end of the pipe is bent downwardly to be connected with gas channel (2), upper end with
Cavity volume (5) connects, and the end port is horizontal cut.
A kind of 5. depth dedusting demister according to claim 4, it is characterised in that：The guide shell (1) is cylinder
Shape, the helical duct (4) are arranged in guide shell (1), and its outer wall is bonded with guide shell (1) inwall, in helical duct (4)
Upper and lower ends are respectively equipped with end plate (9), and the end plate (9) is provided with the opening to match with helical duct (4), end plate (9) it is outer
Edge is seamlessly connected with guide shell (1) inwall, and an opening is further respectively had at the center of upper and lower ends plate (9), and by always
Pipe (61) is connected, and the lower end of the straight tube (61) is connected with drainpipe (7).
A kind of 6. depth dedusting demister according to claim 1, it is characterised in that：The guide shell (1) is cylinder
Shape, its center are provided with a support tube (62), multi-disc spiral shell are provided with annular region between the guide shell (1) and support tube (62)
Rotating plate (41), the spiral plate (41) surround support tube (62) spiral, and its inner side edge is connected with support tube (62) outer wall, outside
Side is connected with guide shell (1) inwall, common with support tube (62) outer wall and guide shell (1) inwall between adjacent two spiral plate (41)
With one helical duct of composition (4).
A kind of 7. depth dedusting demister according to claim 6, it is characterised in that：The support tube (62) is circle
Pipe, its inner hollow form the through hole (6), and the bottom of support tube (62) is connected with drainpipe (7), and the spiral plate (41) is leaned on
One end of nearly gas channel (2) is provided with Seal end plate (63), and the Seal end plate (63) is provided with opening, described to be open air-flow
Passage (2) is corresponded with helical duct (4) and connected.
A kind of 8. depth dedusting demister according to claim 3 or 4 or 6, it is characterised in that：The helical duct
(4) it is cylindrical helical, and spiral number of turns are no less than half-turn.
A kind of 9. depth dedusting demister according to claim 2, it is characterised in that：The eddy flow part (3) includes, and one
Fixing axle (31) and some blades (32) being obliquely installed around fixing axle (31), the fixing axle (31) are located at gas channel
(2) center, and be fixedly connected with blade (32), the blade (32) is evenly distributed on fixing axle (31) and gas channel (2)
Between, and the part edge of blade (32) is fixedly connected with the inwall of gas channel (2).
A kind of 10. depth dedusting demister according to claim 1, it is characterised in that：The guide shell (1) is more
It is individual, and to be arranged in parallel, multiple guide shells (1) are full of the section on absorption tower jointly, on the side that guide shell (1) is connected with absorption tower
The blind plate for sealing is additionally provided with edge.
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| CN201610316811.1A CN105854425B (en) | 2016-05-16 | 2016-05-16 | A kind of depth dedusting demister |
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| CN106178703A (en) * | 2016-09-21 | 2016-12-07 | 中冶京诚工程技术有限公司 | Dewatering and dust removing device |
| CN106276329B (en) * | 2016-10-09 | 2018-11-23 | 江苏万达丰重工机械有限公司 | spiral hopper |
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| JP2013169525A (en) * | 2012-02-22 | 2013-09-02 | Fukushima South Environmental Hygiene Center | Filter element, gas-liquid separation filter, and gas treatment apparatus |
| CN104998470A (en) * | 2015-08-05 | 2015-10-28 | 上海锅炉厂有限公司 | Spiral-flow type flue gas dedusting and demisting device |
| CN205109192U (en) * | 2015-11-04 | 2016-03-30 | 山东法因数控机械股份有限公司 | Double -bladed bispin flows defroster |
| CN205672674U (en) * | 2016-05-16 | 2016-11-09 | 北京香源溪环保科技有限公司 | A kind of degree of depth dedusting demister |
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