CN105999976A - Flue gas depth dedusting defogging water-saving unit and device composed thereby - Google Patents
Flue gas depth dedusting defogging water-saving unit and device composed thereby Download PDFInfo
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- CN105999976A CN105999976A CN201610625847.8A CN201610625847A CN105999976A CN 105999976 A CN105999976 A CN 105999976A CN 201610625847 A CN201610625847 A CN 201610625847A CN 105999976 A CN105999976 A CN 105999976A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
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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
- B01D53/002—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 condensation
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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
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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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
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention provides a flue gas depth dedusting defogging water-saving unit and a device composed thereby. The unit comprises: a cooling impact chamber, a throat, a coagulation chamber and a filtration chamber, and flue gas passes through the cooling impact chamber, the throat, the coagulation chamber and the filtration chamber in order. The filtration chamber is a tubular structure, one end of the filtration chamber is communicated with a big end of the coagulation chamber, in the filtration chamber, particles formed by water vapor and dust rotate to the barrel wall of the filtration chamber under the action of a centrifugal force, and are then separated and recovered. After deep purification, the flue gas is discharged. The technical scheme involved in the invention lowers the operation difficulty, greatly reduces the replacement time and work intensity, and also saves cost.
Description
Technical field
The present invention relates to smoke gas treatment field, particularly to a kind of flue gas degree of depth dedusting except mist water saving unit and
Consisting of device, be particularly suited for wet process of FGD field.
Background technology
" 12 " latter stage, along with the enforcement of the up-to-date a collection of smoke gas treatment standard of country, to smoke gas treatment
Green technology proposes higher requirement.In terms of air contaminant treatment, for the call of active response country,
Solving the environmental problem that the reality such as haze is prominent, the industry such as electric power, metallurgy proposes " minimum discharge " and " closely
Zero-emission " requirement.
In order to meet environmental requirement, current major part is all configured with smoke eliminator and carries out the purification of flue gas,
Such as desulphurization and denitration, dedusting etc., wherein, what sulfur removal technology was more common is Wet Flue Gas Desulfurization Technique, and takes off
Sulfur workshop section is the most all placed on the end of whole purification process, therefore along with the further raising of environmental requirement,
It is accomplished by the wet flue gas after desulfurization is carried out advanced treating.
The flue gas of wet desulphurization often there is problems in that 1, flue gas is saturated wet flue gas, takes out of a large amount of
Aqueous vapor, causes the waste of water resource；2, subparticle cannot be removed, and causes dust emission to meet
Minimum discharge requirement；3, containing SO in flue gas3, in the feelings that dust exceeding particularly fine dust exceeds standard
Under condition, form aerosol, cause plume to delay long, cause " landscape pollution ".
Current solution sets up Wet type electric dust-removing device after substantially using desulfurization.But wet-esp
There is problems in that 1, bulky, investment cost is high, transformation difficulty is big；2, system easily blocks,
Needing a large amount of flushing water, O&M difficulty is big.
Summary of the invention
It is an object of the invention to provide a kind of flue gas degree of depth dedusting except mist water saving unit and consisting of dress
Put, at least to solve the above-mentioned problems in the prior art.
To achieve these goals, the present invention provides following technical scheme:
A kind of flue gas degree of depth dedusting is except mist water saving unit, and described flue gas contains dust, including: cooling is clashed into
Room, venturi, coalescence room and strainer chamber, described flue gas sequentially pass through described cooling clash into room, described venturi,
Described coalescence room and described strainer chamber, wherein, described flue gas is entering process before room is clashed in described cooling
Humidification processes, and described flue gas contains steam through humidification after processing；It is hollow knot that room is clashed in described cooling
Structure, clashes into steam in room in described cooling and at dust surface aggregation and grows up；Described venturi is tubular structure,
One end that room is clashed into described cooling in one end of described venturi connects, and in this venturi, steam and dust are formed
Granule continue to grow up；Described coalescence room is cone tubular structure, the small end of described coalescence room and described venturi
Other end connection, the granule formed at this coalescence indoor steam and dust continues to grow up；Described strainer chamber
For tubular structure, one end of described strainer chamber connects with holding greatly of described coalescence room, in this filtering indoor water
Separated and recovered after the bucket wall of the effect rotation extremely described strainer chamber of the granule power by centrifugation that vapour and dust are formed,
Flue gas is discharged after deep purifying.
Further, in above-mentioned flue gas degree of depth dedusting except in mist water saving unit, it is provided with in described coalescence indoor
First atomizer, for spraying water to absorb pollutant soluble in water in flue gas.
Further, in above-mentioned flue gas degree of depth dedusting except, in mist water saving unit, described strainer chamber has centrifugal
Dehydrator, described centrifuge dehumidifier is made up of blade, outer barrel and Inner guide, the inner hollow of said tub,
Described Inner guide is arranged on the central part of said tub, and described blade is connected with described Inner guide and is placed in institute
State in outer barrel.
Further, in above-mentioned flue gas degree of depth dedusting except, in mist water saving unit, described strainer chamber is additionally provided with
Discharge outlet, described discharge outlet is arranged on barrel wall, and described discharge outlet arranges 1-6, and described discharge outlet is used
In the granule that steam and dust are formed is discharged described strainer chamber.
Further, economize on water in unit in above-mentioned flue gas degree of depth dedusting except mist, the other end of described strainer chamber
It is additionally provided with water collection device, for collecting the steam do not discharged and the granule of dust formation from described discharge outlet.
Further, in above-mentioned flue gas degree of depth dedusting except, in mist water saving unit, described strainer chamber is provided with two
Individual described centrifuge dehumidifier, described two centrifuge dehumidifiers set gradually on the path of described flue gas.
Further, in above-mentioned flue gas degree of depth dedusting except, in mist water saving unit, described flue gas is described in entrance
By the second atomizer ejection water to carry out humidification process before cooling shock room, described second atomizer
It is arranged at described cooling to clash at the 0.3m-1m in front, room.
Further, economize on water in unit in above-mentioned flue gas degree of depth dedusting except mist, the Taper Pipe shape of described coalescence room
The corner angle of the Taper Pipe of structure is 1 °-30 °.
Further, in above-mentioned flue gas degree of depth dedusting except, in mist water saving unit, described cooling clashes into room for cone
Tubular structure, the small end of described cooling shock room connects with one end of described venturi, the drift angle of described Taper Pipe
For θ, 30≤θ≤90 °.
On the other hand, present invention also offers a kind of flue gas degree of depth dedusting except mist water saving fixtures, described device
Being combined by multiple unit, described unit is that the flue gas degree of depth according to any one of claim 1-9 is removed
Dirt is except mist water saving unit.
Analyze understand, the present invention disclose a kind of flue gas degree of depth dedusting except mist economize on water unit and consisting of dress
Put, it is achieved that following technique effect:
1, there are cooling, coalescence process, have well except water smoke effect；2, design water collector, right
In flue gas, steam reclaims, and substantially can realize desulphurization system spot patch water, have powerful water-saving function；
3, configuration absorption nozzle, can absorb SO further3Deng pollutant, it is truly realized the degree of depth to flue gas
Purify；4, movement-less part, and there is self-cleaning function, can accomplish non-maintaining；5, apparatus module
Arrange, flexible arrangement.
Technical scheme reduces operation easier, replacing construction and working strength and is all greatly reduced,
Saved cost simultaneously.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, this
The schematic description and description of invention is used for explaining the present invention, is not intended that the improper limit to the present invention
Fixed.Wherein:
Fig. 1 is that flue gas degree of depth dedusting is except the schematic diagram of mist water saving unit one embodiment；
Fig. 2 is the schematic diagram of the centrifuge dehumidifier of embodiment in Fig. 1；
Fig. 3 is the connection diagram one of strainer chamber and water collection device；
Fig. 4 is the connection diagram two of strainer chamber and water collection device；
Fig. 5 is the connection diagram three of strainer chamber and water collection device；
Fig. 6 is the schematic perspective view of embodiment in Fig. 1；
Fig. 7 is that flue gas degree of depth dedusting is except the schematic diagram of mist water saving fixtures.
Description of reference numerals: room is clashed in 1 cooling；2 venturis；3 coalescence rooms；4 Inner guide；5 discharge outlet；
6 strainer chambers；7 blades；8 outer barrels；9 water collection devices；10 first atomizers；11 second atomizers；
12 centrifuge dehumidifiers；13 attachment means.
Detailed description of the invention
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.It should be noted that not
In the case of conflict, the embodiment in the application and the feature in embodiment can be mutually combined.
In describing the invention, term " longitudinally ", " laterally ", " on ", D score, "front", "rear", " left ",
Orientation or the position relationship of the instruction such as " right ", " vertically ", " level ", " top ", " end " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention rather than require that the present invention must be with specifically
Azimuth configuration and operation, be therefore not considered as limiting the invention.Term " the phase used in the present invention
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediate member, for the ordinary skill people of this area
For Yuan, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figures 1 to 6, according to embodiments of the invention, it is provided that a kind of flue gas degree of depth dedusting removes
Mist water saving unit, flue gas contains dust, including: room 1, venturi 2, coalescence room 3 and filter are clashed in cooling
Clear room 6, flue gas sequentially passes through to cool down and clashes into room 1, venturi 2, coalescence room 3 and strainer chamber 6, wherein,
Flue gas processed through humidification before room 1 is clashed in entrance cooling, and flue gas contains water through humidification after processing
Vapour；It is hollow structure that room 1 is clashed in cooling, and in room 1 is clashed in cooling, steam is in dust surface aggregation length
Greatly；Venturi 2 is tubular structure, and one end that room 1 is clashed into cooling in one end of venturi 2 connects, at this larynx
The granule that in road 2, steam and dust are formed continues to grow up；Coalescence room 3 is cone tubular structure, coalescence room 3
Small end connect with the other end of venturi 2, the granule that steam and dust are formed in this coalescence room 3 continues
Grow up；Strainer chamber 6 is tubular structure, i.e. outer barrel 8, and one end of strainer chamber 6 is held with the big of coalescence room 3
Connection, in this strainer chamber 6, the effect of the granule power by centrifugation that steam and dust are formed rotates to strainer chamber
Separated and recovered after the bucket wall of 6, flue gas is discharged after deep purifying.
Flue gas degree of depth dedusting disclosed by the invention uses advanced Aero-Space new and high technology except mist water saving unit,
The flowing of vortex theory, turbojet engine is used to blend principle (this principle that centrifuge dehumidifier 12 utilizes)
(this side that room 1, venturi 2 and coalescence room 3 utilize is clashed in cooling with Rafael nozzle wind-tunnel method for designing
Method) and combine chemical industry coalescence polymerization principle develop (first atomizer 10 and 11 second atomization
This principle that nozzle utilizes), advanced treating further to flue gas after desulfurization, reduces SO in flue gas further3
Etc. pollutant levels soluble in water, dust concentration, free water content and saturated water capacity, with relatively low
Construction cost and operating cost meet the environmental requirement of increasingly stringent.
Further, being provided with the first atomizer 10 in coalescence room 3, the first atomizer 10 is suitable
To (i.e. the direction of nozzle ejection water is identical with the flow direction of flue gas) or reverse (i.e. nozzle sprays water
Direction is contrary with the flow direction of flue gas) atomizer, ejection water is for dirt soluble in water in flue gas
Dye thing absorbs.
Further, strainer chamber 6 has centrifuge dehumidifier 12, and centrifuge dehumidifier 12 is arranged on strainer chamber
The leading portion of 6, i.e. flue gas are introduced into centrifuge dehumidifier 12 after entering strainer chamber 6.Centrifuge dehumidifier 12 by
Blade 7, outer barrel 8 and Inner guide 4 form, the inner hollow of outer barrel 8, and Inner guide 4 is arranged on outer barrel
The central part of 8, blade 7 is connected with Inner guide 4 and is placed in outer barrel.The outer barrel 8 of centrifuge dehumidifier 12
Can be a part for the tubular structure (i.e. outer barrel 8) of strainer chamber 6, it is also possible to outside with strainer chamber 6
Bucket 8 is that then the two linked together use by two individualities separated, and this is not limited by the present invention.
Strainer chamber 6 is additionally provided with discharge outlet 5, and discharge outlet 5 is arranged on the bucket wall of outer barrel 8, and opening direction is
Radially, discharge outlet 5 is preferably provided with 1-6, and multiple discharge outlet 5 set gradually along the circumference of outer barrel 8,
Discharge outlet 5 is for discharging strainer chamber 6 by the granule that steam and dust are formed.Discharge outlet 5 is preferably in outer barrel
On the bucket wall of 8 axially arranged, it can be rectangle, and now the long limit of discharge outlet is with axially in parallel, it is possible to
Effectively the current on strainer chamber 6 inwall are derived.The two of two ends distance 8 barrels of walls of outer barrel of discharge outlet 5
The distance of one end near in end is 50～200mm.It is to close that Inner guide 4 formerly contacts one end of flue gas,
I.e. flue gas can not run to the back segment of strainer chamber 6 directly through Inner guide 4, flue gas must pass through blade 7
Rotating separation after could to strainer chamber 6 back segment run.
Inner guide 4 the most formerly contacts one end of flue gas and the other end is cone structure, its central section
For horn shape (15-60 °) or parabola shaped, totally see that Inner guide 4 is in shuttle-type；In other are applied, interior
The other end of water conservancy diversion 4 may be alternatively configured plane, but if the one end first contacting flue gas is plane, gas
Know from experience and form whirlpool in this position, increase resistance.
When flue gas is by centrifuge dehumidifier 12, flue gas is forced to rotate, under the influence of centrifugal force, and cigarette
Granule (including dust, drop) in gas is thrown on the inwall of outer barrel 8 of strainer chamber 6 so that flue gas
In granule separate, the granule separated accumulates current, by discharge outlet 5 deliverying unit,
Recycle and reuse.Flue gas after deep purifying is ultimately discharged into chimney.
Blade 7 is the particular curve made according to aerodynamic principle.The quantity of blade 7 may be configured as
4～16 (according to using environment to determine, such as, 6,8,10,15 etc.).Use ring
Border includes that the arrangement space at exhaust gas volumn, available blast, the processing technique of blade 7 and scene etc. is combined
Conjunction factor determines.Blade 7 is according to requirement classification three class of processing technique: plate, screw type,
Parabola shaped.Plate be conducive to and welding processing, be suitable for a small amount of machine-shaping；Spiral type is suitable for flue gas
In the case of conventional flow velocity, with mould molding, mould is fairly simple；Parabola shaped applicable flue gas high flow rate
In the case of, with mould molding, mould is more complicated.
Further, strainer chamber 6 is provided with two centrifuge dehumidifiers 12, and two centrifuge dehumidifiers 12 exist
Set gradually on the path of flue gas, i.e. the leading portion at strainer chamber 6 be provided with a centrifuge dehumidifier 12,
Be additionally provided with another one centrifuge dehumidifier 12 in the stage casing of strainer chamber 6, two centrifuge dehumidifiers 12 can
So that flue gas is preferably purified.
Further, the other end of strainer chamber 6 i.e. back segment is additionally provided with water collection device 9, and water collection device 9 is ring
Shape structure, for collecting the steam do not discharged and the granule of dust formation from discharge outlet 5.Water collection device 9 can
With prevent from being separated to the bucket wall of outer barrel 8 and the water discharged without discharge outlet 5 and granule that dust is formed with
Flue gas is taken out of, and the granule that i.e. the bucket wall along outer barrel 8 is flowed by water collection device 9 is first collected and stops it
Move to other place.The granule that steam is formed with dust can be attached to outer barrel 8 after flue gas separates
On bucket wall, the steam on bucket wall follows the flow direction flowing of air-flow, and most steam can pass through discharge outlet 5
Discharge, have least a portion of steam to may proceed to follow the flow direction flowing of gas, for preventing this part steam by gas
Body is taken away, and the water collection device 9 arranging loop configuration at smoke outlet intercepts, and the steam under intercepting is from receiving water
Gap location between device 9 and strainer chamber 6 flows out, the gas band after making the steam on barrel wall to be cleaned
Go out.The connection of strainer chamber 6 and water collection device 9 can be selected for following three kinds of modes:
First kind of way, as it is shown on figure 3, three road arrows of centre are gas flows, the arrow of the right and left
Head is the flow direction of the granule of steam and dust formation.The granule that steam and dust are formed exports from strainer chamber 6
The scope entering water collection device 9 is subject to certain restrictions, and i.e. the outlet of strainer chamber 6 is more than the gas of water collection device 9
(comparison of above-mentioned outlet and import refers to the ratio between internal diameter and the external diameter of import of outlet in the import of body
Relatively), flue gas flow rate has change slightly.Change because of flue gas flow rate can cause the increase of pressure, thus meeting
Increase SR, so the impact that flue gas flow rate is changed by this setup is small, and then to system
The impact of resistance is little；
The second way, as shown in Figure 4, the granule that steam and dust are formed enters from strainer chamber 6 outlet
The scope of water collection device 9 almost without restriction, i.e. strainer chamber 6 outlet more than water collection device 9 gas enter
Mouth (comparison of above-mentioned outlet and import refers to the comparison between internal diameter and the external diameter of import of outlet),
The output range of grain is 360 °, and flue gas flow rate changes greatly.Because flue gas flow rate is changed by this setup
Impact small, and then the impact on SR is bigger；
The third mode, as it is shown in figure 5, the granule that steam and dust are formed enters from strainer chamber 6 outlet
The scope of water collection device 9 does not limit, owing to the bucket wall in the exit of strainer chamber 6 is provided with gradient,
The small end of the outlet of gradient part is basically identical with the size of the gas feed of water collection device 9, outlet big
More than the gas feed of water collection device 9, (comparison of above-mentioned outlet and import refers to the internal diameter that exports and enters end
Comparison between the external diameter of mouth), the output range of granule is 360 °.But the outlet due to strainer chamber 6
The bucket wall at place is provided with gradient, so flue gas flow rate is not changed in substantially, but the filtering of this kind of mode
Room 6 is unsuitable for mould processing, in addition it is also necessary to will seal between strainer chamber 6 and water collection device 9.
Further, flue gas enter cooling clash into before room 1 by the second atomizer 11 spray water with
Carrying out humidification process, the second atomizer 11 is arranged at cooling and clashes at the 0.3m-1m in front, room 1.
Flue gas is containing steam after processing through humidification, and steam is at dust surface aggregation and grows up, and is conducive to purifying
Flue gas.
Further, the corner angle of the Taper Pipe of the cone tubular structure of coalescence room 3 is 1 °-30 °, is conducive to
The granule that steam and dust are formed continues to grow up.
Further, it is cone tubular structure that room 1 is clashed in cooling, and small end and the venturi 2 of room 1 is clashed in cooling
One end connection, the drift angle of Taper Pipe is θ, 30≤θ≤90 °.Cooling simultaneously is clashed into room 1 and be may be alternatively configured tangent
And parabolic.Three kinds of modes are respectively arranged with pluses and minuses: Taper Pipe shape structural drag is moderate, and impact effects is good；
Tangent shape structural drag is little, and impact effects is bad；Parabolic shape structure inlet resistance is little, and impact effects is also
Of course, but resistance to flow output is increased dramatically.
Further, also include wastewater treatment equipment, the steam that strainer chamber 6 is reclaimed by wastewater treatment equipment
Supply the first atomizer 10 after filtration and humidification processes (the i.e. second atomizer 11) and recycles.
Invention additionally discloses a kind of flue gas degree of depth dedusting and remove mist water saving fixtures, this device is combined by multiple unit
Forming, unit is that above-mentioned flue gas degree of depth dedusting is except mist water saving unit.Multiple flue gas degree of depth dedustings are economized on water except mist
Unit combines flue gas degree of depth dedusting except mist water saving fixtures by attachment means 13.
Flue gas degree of depth dedusting removes mist water saving fixtures, is installed on the desulfurizing tower after wet desulphurization Nei or in flue,
When flue gas after desulfurization flows through this device, clash into, cool down and coagulate between drop and the dust in flue gas
And, finally separated by fine grained strainer chamber, separate liquid and carry out back after wastewater treatment equipment processes
With.
Flue gas after wet desulphurization tower desulfurization enters dedusting except mist water saving fixtures, the fine dust in flue gas
With drop and the drop generation strong collision from the second atomizer ejection, steam in room 1 is clashed in cooling
Starting at dust granules surface aggregation and grow up, when flowing through venturi 2, the space between dust and drop is entered
One step compression, increase subparticle (between dust and dust, between dust and drop, drop and liquid
Between Diing) collision probability, subparticle diameter continue increase.In coalescence room 3, velocity of flue gas drops
Low, temperature also begins to decline, pressure bottom out, and in flue gas, subparticle diameter increases further, this
Time under the effect of the first atomizer 10 (or claiming absorption nozzle) SO3Etc. pollutant soluble in water
Absorbed further.Then flue gas enters strainer chamber 6, the effect of centrifugal force, fine in flue gas
Grain (including dust, drop) is separated, and the flue gas after deep purifying is ultimately discharged into chimney.In the degree of depth
In purification process, due to the reduction of temperature, the saturated water capacity of flue gas reduces, the saturated vapor portion in flue gas
Analyzing, after being filtered by supporting wastewater treatment equipment, supply absorbs and the second atomizer 11 follows
Ring uses.
This device material selects flexibly, to use metal or nonmetal；This device is unit-modularized setting
Meter, according to processing flue gas flow, selects appropriate number of flue gas degree of depth dedusting to carry out also except mist water saving unit
The mode general assembly configuration of row arrangement, this device arrangement is flexible, can have a following arrangement: tower top
Formula, horizontal flue type, vertical outlet chimney flue type etc..
Tower top formula: be mainly applied to the desulfuration chimney situation at tower top, particularly need in transformation project
The problem of installing space to be considered.
Horizontal flue type: this mode is mainly used for flue gas after desulfurizing tower from desulfurizing tower Base top contact,
Through one section of horizontal flue subsequently into the situation of desulfuration chimney.This mode equipment independent construction, to tower
Without destroying, safety is high.
Vertical outlet chimney flue type: this mode is mainly used for flue gas after desulfurizing tower from desulfurizing tower top
Draw, through one section of flue straight down subsequently into the situation of desulfuration chimney.This mode is standby independent
Construction, to tower without destroying, safety is high, and is more beneficial for the receipts to the water in centrifuge dehumidifier 12
Collection.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, there are cooling, coalescence process, have well except water smoke effect；
2, design water collection device, reclaims steam in flue gas, substantially can realize desulphurization system spot patch water,
There is powerful water-saving function；
3, configuration absorption nozzle, can absorb SO further3Deng pollutant, it is truly realized flue gas
Deep purifying；
4, movement-less part, and there is self-cleaning function, can accomplish non-maintaining；
5, apparatus moduleization is arranged, flexible arrangement.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this area
Technical staff for, the present invention can have various modifications and variations.All in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention
Within.
Claims (10)
1. the dedusting of the flue gas degree of depth is except a mist water saving unit, and described flue gas contains dust, it is characterised in that
Including: room, venturi, coalescence room and strainer chamber are clashed in cooling, and described flue gas sequentially passes through described cooling and hits
Hit room, described venturi, described coalescence room and described strainer chamber, wherein,
Described flue gas is entering through humidification process before room is clashed in described cooling, and described flue gas is through increasing
Containing steam after wet process；
It is hollow structure that room is clashed in described cooling, and in described cooling shock room, steam is at dust surface aggregation
And grow up；
Described venturi is tubular structure, and one end that room is clashed into described cooling in one end of described venturi connects,
The granule that steam and dust are formed in this venturi continues to grow up；
Described coalescence room is cone tubular structure, and the small end of described coalescence room connects with the other end of described venturi,
The granule formed at this coalescence indoor steam and dust continues to grow up；
Described strainer chamber is tubular structure, and one end of described strainer chamber connects with holding greatly of described coalescence room,
In this strainer chamber, the effect of the granule power by centrifugation that steam and dust are formed rotates the bucket to described strainer chamber
Separated and recovered after wall, flue gas is discharged after deep purifying.
Flue gas degree of depth dedusting the most according to claim 1 is except mist water saving unit, it is characterised in that
It is provided with the first atomizer, for spraying water with to pollution soluble in water in flue gas in described coalescence indoor
Thing absorbs.
Flue gas degree of depth dedusting the most according to claim 1 is except mist water saving unit, it is characterised in that
Described strainer chamber has centrifuge dehumidifier, and described centrifuge dehumidifier is made up of blade, outer barrel and Inner guide,
The inner hollow of said tub, described Inner guide is arranged on the central part of said tub, described blade and institute
State Inner guide connection to be placed in said tub.
Flue gas degree of depth dedusting the most according to claim 3 is except mist water saving unit, it is characterised in that
Described strainer chamber is additionally provided with discharge outlet, and described discharge outlet is arranged on barrel wall, and described discharge outlet arranges 1-6
Individual, described discharge outlet is for discharging described strainer chamber by the granule that steam and dust are formed.
Flue gas degree of depth dedusting the most according to claim 4 is except mist water saving unit, it is characterised in that
The other end of described strainer chamber is additionally provided with water collection device, for collecting the steam do not discharged from described discharge outlet
The granule formed with dust.
Flue gas degree of depth dedusting the most according to claim 3 is except mist water saving unit, it is characterised in that
Described strainer chamber is provided with two described centrifuge dehumidifiers, and described two centrifuge dehumidifiers are at described flue gas
Set gradually on path.
Flue gas degree of depth dedusting the most according to claim 1 is except mist water saving unit, it is characterised in that
Described flue gas clashes into before room by the second atomizer ejection water to carry out humidification process entering described cooling,
Described second atomizer is arranged at described cooling and clashes at the 0.3m-1m in front, room.
Flue gas degree of depth dedusting the most according to claim 1 is except mist water saving unit, it is characterised in that
The corner angle of the Taper Pipe of the cone tubular structure of described coalescence room is 1 °-30 °.
Flue gas degree of depth dedusting the most according to claim 1 is except mist water saving unit, it is characterised in that
It is cone tubular structure that room is clashed in described cooling, and the small end of described cooling shock room is with one end of described venturi even
Logical, the drift angle of described Taper Pipe is θ, 30≤θ≤90 °.
10. a flue gas degree of depth dedusting is except mist water saving fixtures, it is characterised in that described device is by multiple lists
Unit combines, and described unit is that the flue gas degree of depth dedusting according to any one of claim 1-9 is except mist joint
Water unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610625847.8A CN105999976A (en) | 2016-08-02 | 2016-08-02 | Flue gas depth dedusting defogging water-saving unit and device composed thereby |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610625847.8A CN105999976A (en) | 2016-08-02 | 2016-08-02 | Flue gas depth dedusting defogging water-saving unit and device composed thereby |
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| CN105999976A true CN105999976A (en) | 2016-10-12 |
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| CN201610625847.8A Pending CN105999976A (en) | 2016-08-02 | 2016-08-02 | Flue gas depth dedusting defogging water-saving unit and device composed thereby |
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| CN107875742A (en) * | 2017-12-21 | 2018-04-06 | 青岛大学 | Cooling fiber vibratory string grating centrifugal demister in a kind of |
| CN108479270A (en) * | 2018-05-30 | 2018-09-04 | 烟台龙源电力技术股份有限公司 | A kind of flue gas condensing clarifier and condensation purification system |
| CN110523204A (en) * | 2019-10-14 | 2019-12-03 | 兰州大学 | A kind of dust-extraction unit |
| CN114100299A (en) * | 2021-11-23 | 2022-03-01 | 太原理工大学 | Dust coalescence device based on gas atomization vortex fluid generation unit group |
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| US6372019B1 (en) * | 1998-10-16 | 2002-04-16 | Translang Technologies, Ltd. | Method of and apparatus for the separation of components of gas mixtures and liquefaction of a gas |
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| CN114100299A (en) * | 2021-11-23 | 2022-03-01 | 太原理工大学 | Dust coalescence device based on gas atomization vortex fluid generation unit group |
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