CN105879590B - A kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit and desulfurizing tower - Google Patents
A kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit and desulfurizing tower Download PDFInfo
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- CN105879590B CN105879590B CN201610385581.4A CN201610385581A CN105879590B CN 105879590 B CN105879590 B CN 105879590B CN 201610385581 A CN201610385581 A CN 201610385581A CN 105879590 B CN105879590 B CN 105879590B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/12—Fan arrangements for providing forced draft
Abstract
A kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit and desulfurizing tower, wherein spray unit includes that at least one layer of eddy flow being arranged in desulfurizing tower is bubbled coupling platform, and is arranged in desulfurizing tower, is bubbled at least one layer of spraying layer coupled above platform positioned at the eddy flow；The eddy flow is bubbled multiple rotary fluids that coupling platform includes porous support plate and is arranged on porous support plate；Multiple airflow holes are provided on the porous support plate；The rotary fluid is arranged on porous support plate and is connected with the airflow hole on porous support plate and then the space below porous support plate is made to be connected by airflow hole and rotary fluid with the space above porous support plate.The present invention can effectively remove the SO in flue gas2, while improving the collaboration efficiency of dust collection of desulfurizing tower, have the advantages that desulfuration efficiency is high, structure is simple, operation energy consumption is low, low cost may be implemented under the conditions of sulphur, dirt minimum discharge.
Description
Technical field
The invention belongs to coal-fired flue-gas pollutant sulfur dioxide control fields, especially a kind of to be arranged in spray desulfurizing tower
Desulfurization mention effect unit and equipped with this desulfurization mention effect unit desulfurizing tower.
Background technique
Current country pushes coal-burning power plant's minimum discharge energetically, it is desirable that arrives the year two thousand twenty, all fire coals to satisfy the requirements in the whole nation
Power plant strives realizing PM < 10mg/Nm3, the minimum discharge of SO2 < 35mg/Nm3, NOx < 50mg/Nm3.Response country of coal-burning power plant
It calls, realizes atmosphere dirt in power plant such as the units for using low-sulfur, low ash coal, such as Zhejiang Jiaxing power plant, Jiangsu Taizhou
Contaminate object minimum discharge.But then, China's coal differs greatly, and about 30% coal sulfur content is 2% in coal resources
More than, some areas coal mine sulfur content is even as high as 10%.In, the increasingly reduction of low-sulfur coal resource, power plant must be in face of combustion
With middle and high sulphur coal simultaneously realize dirt, sulphur, nitre minimum discharge challenge.
For in, low-sulfur coal (S < 1.5%), establishes desulfurization on the basis of conventional single column single cycle limestone-gypsum method and increase
Effect technology has been able to meet SO2Minimum discharge requirement.But it is directed to middle and high sulphur coal, existing all kinds of pH subregion Two-way Cycle technologies
Though can satisfy SO2Emission request, but equipment investment cost is high, and operation energy consumption is high, and place occupies big, constrains such desulfurization
The popularization and application of technology.At the same time, it is influenced by factors, coal-burning power plant is practical to use coal and design, checks coal
It differs greatly, SO in flue gas2Concentration will appear larger fluctuation, it is therefore desirable to which a kind of scope of application is wide in range and has self-adjusting ability
High effective desulphurization device.In addition, it is 10mg/m that coal-burning power plant's minimum discharge, which requires the emission limit of flue dust,3, and logical desulfurizing tower goes out
Particle concentration is often difficult to meet the requirements in mouth flue gas, needs to install wet electrical dust precipitator additional in desulphurization plant downstream, this will lead to
Increase equipment investment cost and operation energy consumption, therefore improve the collaboration dust collection capacity of desulfurizing tower, realizes sulphur, dirt minimum discharge, be
A kind of economically viable minimum discharge technology path.
Limestone-gypsum Wet Flue Gas Desulfurization Process is the most commonly used desulfurization technology of domestic application, accounts for Wet Flue Gas Desulfurization Technique application
95% or more, the desulfurizing tower used in Limestone-gypsum Wet Flue Gas Desulfurization Process technology is mostly spray column, due to spray column internal structure letter
List, system resistance are small, stable, are the technology schools of current coal-burning power plant's first choice.And be to meet desulfurization minimum discharge index,
Need further to be promoted the desulfuration efficiency of desulfurizing tower itself.But though the increase spray number of plies and tower height can in spray column merely
Realize SO2Minimum discharge, but engineering construction cost and day-to-day operation cost can be not only greatly improved, but also take off to further promoted
The effect of sulphur efficiency is also extremely limited, it is difficult to reach the requirement of national inexpensive minimum discharge.
Summary of the invention
The object of the present invention is to provide one kind can fast reaction, the spiral-flow type bubbling coupling that the scope of application is wide in range, inexpensive
High-efficiency desulfurization spray unit and desulfurizing tower are closed, the technical problem of middle and high sulphur flue-gas pollutant minimum discharge is solved.
To achieve the above object, the present invention adopts the following technical scheme: a kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray
Unit, it is characterised in that: at least one layer of eddy flow including being arranged in desulfurizing tower is bubbled coupling platform, and is arranged in desulfurizing tower
At least one layer of spraying layer that is interior, being bubbled positioned at the eddy flow above coupling platform；It includes porous branch that the eddy flow, which is bubbled coupling platform,
Fagging and the multiple rotary fluids being arranged on porous support plate；Multiple airflow holes are provided on the porous support plate；The eddy flow
Body is arranged on porous support plate and is connected with the airflow hole on porous support plate and then makes the sky below porous support plate
Between be connected by airflow hole and rotary fluid with the space above porous support plate.
Preferably, it further includes having washer jet that the eddy flow, which is bubbled coupling platform, and the washer jet is arranged in rotary fluid
On porous support plate between rotary fluid.
Preferably, the rotary fluid includes the swirl vane being arranged on porous support plate and is arranged on swirl vane
Upper cover plate, the swirl vane form a circle, make to be centrally formed a cavity, and the space below the porous support plate passes through air-flow
Hole is communicated with cavity, and cavity is communicated further through the runner between swirl vane with the space above porous support plate.
Preferably, the diameter ratio of the diameter of the cavity and rotary fluid is 0.20~0.80, the diameter and gas of rotary fluid
The diameter ratio of discharge orifice is 0.20~0.80, and the height of rotary fluid and the diameter ratio of rotary fluid are 0.10~0.75.
Preferably, the angle between the swirl vane and porous support plate is 1 degree~90 degree.
Preferably, the diameter ratio of the distance between adjacent two rotary fluid center and rotary fluid is 1.2~4.0.
Preferably, the end of the porous support plate is provided with support ox horn.
A kind of desulfurizing tower includes tower body, and the lower part of the tower body is equipped with smoke inlet, and the top of tower body is equipped with flue,
Demister is provided in tower body, it is characterised in that: be provided in the tower body, at the top position of the smoke inlet to
A few spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit, and it includes at least which, which is bubbled coupling high-efficiency desulfurization spray unit,
One layer of eddy flow is bubbled coupling platform and is bubbled at least one layer of spraying layer above coupling platform positioned at eddy flow；The eddy flow is bubbled coupling
Close multiple rotary fluids that platform includes porous support plate and is arranged on porous support plate；It is provided on the porous support plate multiple
Airflow hole；The rotary fluid is arranged on porous support plate and is connected with the airflow hole on porous support plate and then makes more
Space below the support plate of hole is connected by airflow hole and rotary fluid with the space above porous support plate.
Preferably, it further includes having washer jet that the eddy flow, which is bubbled coupling platform, and the washer jet is arranged in rotary fluid
On porous support plate between rotary fluid.
Preferably, the rotary fluid includes the swirl vane being arranged on porous support plate and is arranged on swirl vane
Upper cover plate, the swirl vane form a circle, make to be centrally formed a cavity, and the space below the porous support plate passes through air-flow
Hole is communicated with cavity, and cavity is communicated further through the runner between swirl vane with the space above porous support plate.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The present invention provides one kind can fast reaction, the high-efficiency desulfurization that the scope of application is wide in range, inexpensive and collaboration dedusting
Technology can effectively remove the SO in flue gas2, while the collaboration efficiency of dust collection of desulfurizing tower is improved, there is desulfuration efficiency
It is high, structure is simple, operation energy consumption is low, low cost may be implemented under the conditions of sulphur, dirt minimum discharge the advantages of.
The present invention can effectively remove the sulfur dioxide in flue gas, and being capable of flue dust in cooperation-removal flue gas.Institute
State spiral-flow type be bubbled platform cyclonic action and bubble tower can be coupled, and further with the spraying layer phase coupling in desulfurizing tower
It closes, realizes that three kinds of spray, bubbling, eddy flow effects are coupled, to effectively increase the heat and mass transfer coefficient between gas-liquid, effectively increase
Desulfurization and efficiency of dust collection in strong desulfurizing tower.
The present invention can effectively improve desulfuration efficiency, realize minimum discharge, and spray needed for reducing traditional desulfurizing tower
The number of plies, so that the liquid-gas ratio in desulfurizing tower is significantly reduced, energy consumption needed for reducing serum recycle, and spiral-flow type is bubbled on platform
Hold height of liquid layer and can be adjusted automatically according to the load of boiler, thus be effectively reduced the operation of entire desulphurization system at
This.
The configuration of the present invention is simple, by desulfurizing tower install additional eddy flow be bubbled coupling platform (or cry spiral-flow type be bubbled put down
Platform), and adjust eddy flow and hold height of liquid layer and swirl velocity, while cooperating spraying layer, it can be achieved that for different flue gas SO2Concentration
Ultralow stably desulphurizing discharge.In addition, being run by the Combinatorial Optimization that eddy flow holds liquid and hollow-spraying-tower, in the item for meeting minimum discharge
Under part, system operation energy consumption is reduced.
The principle of the present invention is that the desulfurization slurry to flow downward and rising flue gas are bubbled on platform in spiral-flow type and form stabilization
Hold liquid layer, under the guiding function of swirl vane, rise flue gas and be decomposed into rising flowing and horizontal tangential when flowing through rotary fluid
Flowing, and hold liquid layer shape with level and form an angle into holding liquid layer.Compared with traditional bubble tower, under the same conditions, eddy flow
Flue gas is conducive to improve desulfuration efficiency to hold the residence time in liquid layer longer.At the same time, eddy flow flue gas flows same at itself
When also drive eddy flow be bubbled coupling platform on hold liquid layer slurries gamut horizontal rotation, enhance the effect of mass transmitting between solution-air, increase
Strong slurries are to SO2Assimilation effect, to improve desulfuration efficiency, while strengthening collaboration dedusting function.
Spiral-flow type of the present invention is bubbled platform and is equipped with several rotary fluids, passes through the opposite work between flue gas and slurries
With, the eddy flow be bubbled coupling platform on form stable liquid layer of holding, slurries enter desulfurizing tower by the aperture below rotary fluid
The slurry pool of bottom, flue gas form eddy flow drive by rotary fluid and hold slurries integral level rotation in liquid layer, form eddy flow and be bubbled
Coupling, can be improved SO in flue gas2, particulate matter exchanged with the mass transfer held between liquid layer slurries, enhance gas-liquid between heat and mass effect,
And further from the spraying layer cooperation operation above spiral-flow type bubbling platform, it can be achieved that being directed to different flue gas SO2Concentration it is ultralow
The effect of stably desulphurizing discharge and collaboration dedusting.
Being bubbled in platform and in traditional bubbling desulfurizing tower in traditional desulfurizing tower, gas is vertically injected hold from bottom to top
Liquid layer, and liquid is then flowed downward by downspout, the two is separated.And in the present invention, air-liquid is intended to through airflow hole and eddy flow leaf
Channel between piece, the two totally remain contact.
Being bubbled in platform and in traditional bubbling desulfurizing tower in traditional desulfurizing tower, gas, which enters, holds liquid layer vertically upward
Flowing, to holding, liquid layer disturbance is smaller.And in the present invention, flue gas under swirl vane effect, hold in liquid layer helically oblique line to
Upper flowing, gas not only hold the rotation of liquid integral level, further strengthen gas-liquid mass transferring by extended residence time, more band moving platform.
Gas velocity in desulfurizing tower equipped with traditional bubbling platform is only 0.2~1.5m/s, and the gas in the present invention
Flow velocity can reach 3m/s or more.
The configuration of the present invention is simple both can be used for newly-built desulfurizing tower, also can be suitable by passing through to original spray desulfurizing tower
When transformation is to realize.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the schematic diagram that eddy flow is bubbled coupling platform.
Fig. 3 is the stereoscopic schematic diagram that rotary fluid embodiment one is arranged on porous support plate.
Fig. 4 is the schematic diagram that level is cutd open and looked down at swirl vane of rotary fluid embodiment one in Fig. 3.
Fig. 5 is schematic diagram of the rotary fluid embodiment one in Fig. 3 by the rotary fluid that looks up below airflow hole.
Fig. 6 is the stereoscopic schematic diagram that rotary fluid embodiment two is arranged on porous support plate.
Fig. 7 is the stereoscopic schematic diagram that rotary fluid embodiment three is arranged on porous support plate.
Appended drawing reference: 1- eddy flow be bubbled coupling platform, 11- rotary fluid, 111- upper cover plate, 112- swirl vane,
113- cavity, 12- washer jet, 13- support ox horn, 14- porous support plate, 141- airflow hole；
2- spraying layer；3- smoke inlet；4- demister；5- flue；6- tower body.
Specific embodiment
For embodiment referring to shown in Fig. 1, Fig. 2, this spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit, including setting de-
At least one layer of eddy flow in sulphur tower is bubbled coupling platform 1, and is arranged in desulfurizing tower, is located at eddy flow bubbling coupling platform 1
At least one layer of spraying layer 2 of top.In the present embodiment, it is that one layer of eddy flow is bubbled that spiral-flow type, which is bubbled coupling high-efficiency desulfurization spray unit,
Couple platform 1 and one layer of spraying layer 2.
The eddy flow is bubbled multiple eddy flows that coupling platform 1 includes porous support plate 14 and is arranged on porous support plate 14
Body 11.Preferably, the diameter ratio of the distance between adjacent two rotary fluid center a and rotary fluid 11 is 1.2~4.0.It is described more
The end of hole support plate 14 is additionally provided with support ox horn 13, for ensuring that porous support plate is horizontally placed on above slurry pool.
It further includes having washer jet 12 that the eddy flow, which is bubbled coupling platform 1, and the washer jet 12 is arranged in rotary fluid 11
On porous support plate 14 between rotary fluid 11, washer jet 12 can prevent desulfurization slurry (containing solid) the blocking rotation to flow downward
Flow interlobate runner (or being called).
Referring to Fig. 3-5, multiple airflow holes 141 are provided on the porous support plate 14, the rotary fluid 11 is arranged porous
It is connected in support plate and with the airflow hole on porous support plate and then the space below porous support plate is made to pass through airflow hole
141 and rotary fluid 11 be connected with the space above porous support plate.
The rotary fluid 11 includes the swirl vane 112 being arranged on porous support plate 14 and is arranged in swirl vane 112
On upper cover plate 111, the swirl vane 112 forms a circle, makes to be centrally formed a cavity 113, under the porous support plate 14
The space of side is communicated with cavity 113 by airflow hole 141, cavity 113 further through between swirl vane 112 runner and porous branch
Space above fagging communicates.Angle between the swirl vane 112 and porous support plate 14 is 1 degree~90 degree.
The diameter of the cavity 113 and the diameter ratio of rotary fluid 11 are 0.20~0.80, the diameter and gas of rotary fluid 11
The diameter ratio of discharge orifice 141 is 0.20~0.80, and the height of rotary fluid 11 and the diameter ratio of rotary fluid 11 are 0.10~0.75.
The embodiment one of the rotary fluid 11 is referring to Fig. 3-5.Preferably, in the embodiment, swirl vane 112 is curved face type
Blade.Angle between swirl vane 112 in embodiment one and porous support plate 14 is 30 degree~45 degree.Cavity 113 it is straight
The diameter ratio of diameter and rotary fluid 11 is 0.30~0.50.The bottom of rotary fluid 11 is fixed on porous support plate 14, porous branch
Airflow hole 114 is provided on fagging 14, the diameter of airflow hole 114 and the diameter ratio of rotary fluid 11 are 0.50-0.70.Rotary fluid 11
Height and the diameter ratio of rotary fluid 11 be 0.20-0.40.
The embodiment two of the rotary fluid 11 referring to Fig. 6, embodiment two and embodiment one the difference is that, rotary fluid
Swirl vane it is different, as shown in fig. 6, the horizontal cross-section of the swirl vane in embodiment two is identical with embodiment one,
But the swirl vane in embodiment two scans form using non-helical.Angle between swirl vane and porous support plate 14 is
90°。
The embodiment three of the rotary fluid 11 referring to Fig. 7, embodiment three and embodiment one the difference is that, rotary fluid
Swirl vane it is different, as shown in fig. 7, the swirl vane of embodiment three be plane formula blade, belong to in embodiment one
Swirl vane a kind of simplification.
Referring to Fig. 1, Fig. 2, the invention further relates to a kind of desulfurizing tower, which includes tower body 6, under the tower body 6
Portion is equipped with smoke inlet 3, and the top of tower body 6 is equipped with flue 3, is provided with demister 4 in tower body 6.In the tower body 6, in institute
It states and is provided at least one spiral-flow type bubbling coupling high-efficiency desulfurization spray unit, the spiral-flow type at the top position of smoke inlet 3
Coupling high-efficiency desulfurization spray unit is bubbled to be bubbled coupling platform 1 including at least one layer of eddy flow and be located at eddy flow bubbling coupling platform 1
At least one layer of spraying layer 2 of top.
Furthermore an angle is changed, it may also be said to, the installation site that the eddy flow is bubbled coupling platform 1 both may be mounted at flue gas
Between entrance 3 and spraying layer 2, spray also may be mounted at, between 2 and spraying layer 2.
Referring to Fig. 1, in the present embodiment, set that there are two spiral-flow types to be bubbled coupling high-efficiency desulfurization spray unit in the tower body 6,
It is that one layer of eddy flow is bubbled coupling platform 1 and one layer of spraying layer 2 that each spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit again.
The eddy flow is bubbled multiple eddy flows that coupling platform 1 includes porous support plate 14 and is arranged on porous support plate 14
Body 11.It further includes having washer jet 12 that the eddy flow, which is bubbled coupling platform 1, and the setting of washer jet 12 is in rotary fluid 11 and rotation
On porous support plate 14 between fluid 11.
Referring to Fig. 3-5, multiple airflow holes 141 are provided on the porous support plate 14.The rotary fluid 11 is arranged porous
It is connected in support plate and with the airflow hole on porous support plate and then the space below porous support plate is made to pass through airflow hole
141 and rotary fluid 11 be connected with the space above porous support plate.
The rotary fluid 11 includes the swirl vane 112 being arranged on porous support plate 14 and is arranged in swirl vane 112
On upper cover plate 111, the swirl vane 112 forms a circle, makes to be centrally formed a cavity 113, under the porous support plate 14
The space of side is communicated with cavity 113 by airflow hole 141, cavity 113 further through between swirl vane 112 runner and porous branch
Space above fagging communicates.
The course of work of the invention: the flue gas of rising enters from smoke inlet 3, passes through the airflow hole of each 11 lower section of rotary fluid
141 enter rotary fluid 11, and flue gas forms eddy flow under the action of swirl vane 112 of rotary fluid, screw out from rotary fluid surrounding,
It is bubbled on coupling platform 1 under the collective effect of flue gas and desulfurization slurry in eddy flow and forms stable liquid layer of holding, high velocity smoke is injected
Formed and be bubbled in desulfurization slurry, and drive around rotary fluid slurries to form violent swirling motion (flue gas risen is through eddy flow
Body is in certain inclination angle into liquid layer is held from inside to outside, is risen holding liquid layer inside turn, and held slurries is driven to rotate simultaneously), it is real
The coupling of existing eddy flow and bubbling effect improves sulfur dioxide in flue gas, flue dust to strengthen the heat and mass effect between gas-liquid
The removal effect of equal pollutants.Purified flue gas is further removed by the spraying layer 2 that eddy flow is bubbled 1 top of coupling platform
Sulfur dioxide and flue dust in flue gas, realize ultra-clean discharge, and the water in flue gas is removed finally by the demister 4 on desulfurizing tower top
Point, atmosphere is drained into through flue 5.
Above-described embodiment is not the exhaustion of specific embodiment, can also there is other embodiments, and above-described embodiment purpose exists
In illustrating the present invention, the protection scope being not intended to limit the present invention, all applications from simple change of the present invention all fall within this
In the protection scope of invention.
Claims (6)
1. a kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit, it is characterised in that: be bubbled and couple including at least one layer of eddy flow
Platform (1), and it is located at least one layer of spraying layer (2) that the eddy flow is bubbled above coupling platform (1)；
The eddy flow is bubbled multiple rotations that coupling platform (1) includes porous support plate (14) and is arranged on porous support plate (14)
Fluid (11)；
Multiple airflow holes (141) are provided on the porous support plate (14)；
The rotary fluid (11) is arranged on porous support plate and is connected with the airflow hole on porous support plate and then makes more
Space below the support plate of hole is connected by airflow hole (141) and rotary fluid (11) with the space above porous support plate；
It further includes having washer jet (12) that the eddy flow, which is bubbled coupling platform (1), and the washer jet (12) is arranged in rotary fluid
(11) on the porous support plate (14) between rotary fluid (11)；
The rotary fluid (11) includes the swirl vane (112) being arranged on porous support plate (14) and is arranged in swirl vane
(112) upper cover plate (111) on, the swirl vane (112) forms a circle, makes to be centrally formed a cavity (113), described porous
Space below support plate (14) is communicated by airflow hole (141) with cavity (113), and cavity (113) is further through swirl vane
(112) runner between is communicated with the space above porous support plate.
2. a kind of spiral-flow type according to claim 1 is bubbled coupling high-efficiency desulfurization spray unit, it is characterised in that: the sky
The diameter of chamber (113) and the diameter ratio of rotary fluid (11) are 0.20~0.80, the diameter of rotary fluid (11) and airflow hole (141)
Diameter ratio be 0.20~0.80, the diameter ratio of the height of rotary fluid (11) and rotary fluid (11) is 0.10~0.75.
3. a kind of spiral-flow type according to claim 1 is bubbled coupling high-efficiency desulfurization spray unit, it is characterised in that: the rotation
The angle flowed between blade (112) and porous support plate (14) is 1 degree~90 degree.
4. a kind of spiral-flow type according to claim 1 is bubbled coupling high-efficiency desulfurization spray unit, it is characterised in that: adjacent two
The diameter ratio of the distance between rotary fluid center (a) and rotary fluid (11) is 1.2~4.0.
5. a kind of spiral-flow type according to claim 1 is bubbled coupling high-efficiency desulfurization spray unit, it is characterised in that: described more
The end of hole support plate (14) is provided with support ox horn (13).
6. a kind of desulfurizing tower includes tower body (6), the lower part of the tower body (6) is equipped with smoke inlet (3), the top of tower body (6)
Equipped with flue (3), demister (4) are provided in tower body (6), it is characterised in that: are entered in the tower body (6), in the flue gas
It is provided at least one spiral-flow type at the top position of mouth (3) and is bubbled coupling high-efficiency desulfurization spray unit, which is bubbled coupling
High-efficiency desulfurization spray unit is closed to be bubbled coupling platform (1) including at least one layer of eddy flow and be located in eddy flow bubbling coupling platform (1)
At least one layer of spraying layer (2) of side；
The eddy flow is bubbled multiple rotations that coupling platform (1) includes porous support plate (14) and is arranged on porous support plate (14)
Fluid (11)；
Multiple airflow holes (141) are provided on the porous support plate (14)；
The rotary fluid (11) is arranged on porous support plate and is connected with the airflow hole on porous support plate and then makes more
Space below the support plate of hole is connected by airflow hole (141) and rotary fluid (11) with the space above porous support plate；
It further includes having washer jet (12) that the eddy flow, which is bubbled coupling platform (1), and the washer jet (12) is arranged in rotary fluid
(11) on the porous support plate (14) between rotary fluid (11)；
The rotary fluid (11) includes the swirl vane (112) being arranged on porous support plate (14) and is arranged in swirl vane
(112) upper cover plate (111) on, the swirl vane (112) forms a circle, makes to be centrally formed a cavity (113), described porous
Space below support plate (14) is communicated by airflow hole (141) with cavity (113), and cavity (113) is further through swirl vane
(112) runner between is communicated with the space above porous support plate.
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| CN201610385581.4A CN105879590B (en) | 2016-06-03 | 2016-06-03 | A kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit and desulfurizing tower |
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| CN201610385581.4A CN105879590B (en) | 2016-06-03 | 2016-06-03 | A kind of spiral-flow type is bubbled coupling high-efficiency desulfurization spray unit and desulfurizing tower |
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| CN106422705A (en) * | 2016-11-07 | 2017-02-22 | 大连科林能源工程技术开发有限公司 | Multi-stage fluidized washing and resourceful utilization ultra-low pollutant discharge system for sulfur-containing waste gas |
| CN106512662A (en) * | 2016-11-15 | 2017-03-22 | 中石化南京工程有限公司 | Dust removing method and device for catalytic-cracking fume |
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