CN106512632A - Folded gathering unit and agglomeration gathering device of sintering flue gas fine particles - Google Patents
Folded gathering unit and agglomeration gathering device of sintering flue gas fine particles Download PDFInfo
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- CN106512632A CN106512632A CN201611077977.9A CN201611077977A CN106512632A CN 106512632 A CN106512632 A CN 106512632A CN 201611077977 A CN201611077977 A CN 201611077977A CN 106512632 A CN106512632 A CN 106512632A
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- flue gas
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- agglomeration
- turning back
- particulate matter
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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
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
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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
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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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
- B01D2258/025—Other waste gases from metallurgy plants
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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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Abstract
The invention discloses a folded gathering unit and an agglomeration gathering device of sintering flue gas fine particles and belongs to the field of management of iron ore sintering flue gas. According to a particle agglomeration unit and the folded gathering unit, the particle agglomeration unit is internally provided with an agglomeration agent nozzle; the folded gathering unit comprises a storage part, a gas inlet bent pipe and a gas outlet bent pipe; bottoms of the gas inlet bent pipe and the gas outlet bent pipe are communicated to form a folded bent pipe; the storage part is obliquely arranged on the gas outlet bent pipe, and particles are deposited in the folded bent pipe and are stored in the storage part; the particle agglomeration unit is arranged at the upper part of the folded gathering unit; and the bottom of the agglomeration gathering unit is connected with the gas inlet bent pipe of the folded gathering unit. According to the agglomeration gathering device disclosed by the invention, the particle agglomeration unit and the folded gathering unit are arranged, so that the fine particles are firstly agglomerated, then are gathered through the folded gathering unit and are stored in the storage part, and furthermore, the removing efficiency of the flue gas particles is improved.
Description
Technical field
The present invention relates to agglomeration for iron mine gas pollution control field, more particularly, it relates to a kind of sintering flue gas fine
Grain thing is turned back capture unit and reunion capturing device.
Background technology
Agglomeration for iron mine operation is requisite link in Production Processes In Steel Industry, while and being that steel and iron industry is maximum
PM10And PM2.5Emission source, accounts for 40% of its total release or so.Dedusting method traditional at present is difficult to effective control PM2.5Row
Put, fine particle groups can be made to be polymerized to larger grain by physics or chemical action so pretreatment stage is arranged before deduster
The particle in footpath such that it is able to which being removed by traditional deduster becomes a kind of new dust collection method.
At present sintering plant is mainly using deduster come the particulate matter in purifying sintering flue gas, deduster to flue gas in thick
Grain thing removal effect is preferable, but the fine particle (PM for particle diameter less than 10 μm10And PM2.5), as its particle diameter is little,
Ratio resistance is high, charge capacity is poor.General dust collection method is difficult to effectively remove fine particle, and urgent need develops a kind of burning
The processing equipment of knot flue gas fine particulate matter, so as to be effectively treated to sintering the fine particle in flue gas.
Jing is retrieved, Chinese Patent Application No.：201620055887.9, authorized announcement date is on June 29th, 2016, invents wound
A kind of entitled flue gas dust collecting system is made, this application case discloses a kind of flue gas dust collecting system, the dust pelletizing system includes that gravity sinks
Drop room, inertia dust-removing device, cyclone dust collector and Wet type electric dust-removing device；Wherein inertia dust-removing device is arranged at gravitational settling
Smoke outlet that is indoor and being located at gravity settling chamber, the smoke outlet of gravity settling chamber are entered with the flue gas of cyclone dust collector
Mouth end is connected；Wet type electric dust-removing device is arranged at the smoke outlet of cyclone dust collector.This application case is relative to existing
Wet type electric dust-removing device improves efficiency of dust collection to a certain extent, but its be disadvantageous in that using cleaner species compared with
Many, crushing is big, and high energy consumption, equipment investment cost are higher.
In addition, Chinese Patent Application No.：201610288719.9, the applying date be on April 28th, 2016, invention and created name
For a kind of agglomeration for iron mine flue gas PM10And PM2.5Discharge-reducing method, this application case discloses Ore Sintering Process fine particle
Emission-reducing system, in Ore Sintering Process, sprays into reunion liquid in the exhaust gases passes of sintering flue gas, sinters the subparticle in flue gas
Thing is reunited in the presence of reunion liquid and is grown up, and removes the fine particle grown up of reuniting, described reunion using dust arrester
Agent includes aluminium polychloride, sodium carboxymethylcellulose, polyacrylamide and solid additive.Subject application causes to be adsorbed with fine
The reunion liquid mist of particulate matter drops in nucleation under low voltage situations, collides, grows up, the bulky grain aggregate of formation, and is filled using dedusting
Put and remove the fine particle grown up of reuniting.Fine particle reunion during this application case proposes a kind of new agglomeration for iron mine flue gas subtracts
The method of row, the agglomerating effect for improving fine particle in agglomeration for iron mine flue gas realize the reduction of discharging of fine particle, but the Shen
The trapping that particulate matter after reuniting such as please will be improved in case also needs to the more efficient capturing device of cooperation.
The content of the invention
1. invention technical problem to be solved
It is an object of the invention in overcoming prior art, Ore Sintering Process fine particle is difficult to asking for effective removal
Topic, there is provided a kind of sintering flue gas fine particulate matter is turned back capture unit and reunion capturing device, a kind of flue gas particles therein
Capture unit of turning back, the removal efficiency of flue gas particles is improve by the reservoir block being obliquely installed；A kind of iron therein
Ore deposit sinters flue gas fine particulate matter reunion capturing device so that the fine particle in flue gas first carries out reunion and grows up, then is inclined
The reservoir block trapping for tiltedly arranging, improves the removal efficiency of fine particle in flue gas.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of capture unit of turning back of flue gas particles of the present invention, including reservoir block, intake elbow and outlet bend pipe,
Described intake elbow is connected with the bottom of outlet bend pipe and constitutes bend pipe of turning back, and described reservoir block is inclined to be arranged at
On outlet bend pipe, particulate matter in bend pipe of turning back is settled and is stored in reservoir block.
Preferably, described intake elbow and outlet bend pipe are connected with flue by shaking bellows.
Preferably, described reservoir block and the inclination angle of vertical direction are 10-30 °, and reservoir block porch is arranged
There is waterfog head.
Preferably, electromagnetic shaker is provided with described capture unit of turning back.
A kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device of the present invention, including
Particle agglomeration unit, is provided with agglomerator shower nozzle in the particle agglomeration unit；
Turn back capture unit, the capture unit of turning back that capture unit is preceding claim of turning back；
Described particle agglomeration unit is arranged at the top of capture unit of turning back, and the bottom of particle agglomeration unit is caught with turning back
The intake elbow of collection unit is connected.
Preferably, described particle agglomeration unit includes agglomerator shower nozzle, turbulence columns and particle agglomeration room, described reunion
Agent shower nozzle and turbulence columns are arranged at the inside of particle agglomeration room, and agglomerator shower nozzle is located at the top of turbulence columns.
Preferably, the injection direction of described agglomerator shower nozzle is contrary with the flow direction of flue gas；Described turbulence columns
Shape of cross section is isosceles triangle.
Preferably, the bottom of described particle agglomeration room is provided with Contraction Ducts, the cross-sectional area of the Contraction Ducts along
Vertically downward direction is gradually reduced, and particle agglomeration room is connected with intake elbow by Contraction Ducts.
Preferably, also including electrostatic precipitation unit, the electrostatic precipitation unit includes corona electrode, collection electrode and power supply
Part, described corona electrode are arranged in particle agglomeration unit, and collection electrode is arranged on the outlet bend pipe of capture unit of turning back,
Described corona electrode, collection electrode are connected with the negative and positive electrode of power supply part respectively.
Preferably, described corona electrode is arranged at the bottom of turbulence columns, and described collection electrode is arranged at reservoir block
Above porch.
3. beneficial effect
The technical scheme provided using the present invention, compared with existing known technology, with following remarkable result：
(1) capture unit of turning back of a kind of flue gas particles of the invention, intake elbow are connected with the bottom of outlet bend pipe
Lead to and constitute bend pipe of turning back, reservoir block is inclined to be arranged on outlet bend pipe, and reservoir block is inclined to be arranged at outlet bend pipe
Bottom, under the collective effect of the inertia force in gravity and particle motion process, particle is deposited in the bottom of bend pipe of turning back, and
And the bottom of outlet bend pipe is mainly gathered in, and as the upper end open of reservoir block and the angle of horizontal plane are 10-30 °, particle
In the bottom infall process of outlet bend pipe, can directly by the upper end open first motion of reservoir block into reservoir block,
Directly trapped by reservoir block so as to promote particulate matter, improve the removal efficiency of flue gas particles；
(2) capture unit of turning back of a kind of flue gas particles of the invention, the flue gas at the top of intake elbow flow into end and pass through
Concussion bellows is connected with the flue on top, and the flue gas outflow end at the top of outlet bend pipe is by shaking bellows with top
Flue is connected, that is, bend pipe of turning back can make the vibrations of vertical direction relative to flue, during vibrations in flue gas
Fine particle simultaneously occurs to disturb in bend pipe of turning back with flue gas, touch in bend pipe of turning back so as to promote particulate matter
Hit, and promote fine particle to reunite and grow up, improve the removal efficiency of flue gas particles；
(3) a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device of the invention, agglomerator shower nozzle and turbulence columns
It is arranged at the inside of particle agglomeration room, agglomerator shower nozzle is located at the top of turbulence columns, the flow direction phase of injection direction and flue gas
Instead, the agglomerator droplet touch opportunity increase that fine particle is head-on sprayed with agglomerator shower nozzle in flue gas, promotes particulate matter
Quick reunion；
(4) a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device of the invention, corona electrode and power supply part
Negative pole be connected, collection electrode is connected with the positive pole of power supply part, bottom quilt of the particulate matter in flue gas in particle agglomeration unit
Negative electrical charge on load, then into electrostatic precipitation unit, locates above reservoir block porch, carries the particulate matter quilt of negative electrical charge
Collection electrode is trapped, and bend pipe of turning back can make the vibrations of vertical direction relative to particle agglomeration unit, is shaken and is produced phase
Mutual collision, increases the contact probability of particulate matter and collection electrode, so as to promote particulate matter on reservoir block porch
Square place is trapped by collection electrode, and is deposited in reservoir block.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of agglomeration for iron mine flue gas fine particulate matter reunion capturing device of the present invention；
Fig. 2 is the structural representation of the reservoir block of the present invention.
Label declaration in schematic diagram：
100th, particle agglomeration unit；101st, agglomerator shower nozzle；102nd, turbulence columns；103rd, Contraction Ducts；104th, particle agglomeration
Room；105th, expansion line；
200th, turn back capture unit；201st, shake bellows；202nd, electromagnetic shaker；210th, reservoir block；211st, dust flow-disturbing
Plate；212nd, waterfog head；213rd, unload dirt valve；214th, dust bellows；220th, intake elbow；221st, flue gas flows into end；230th, go out
Gas bend pipe；231st, flue gas outflow end；
300th, electrostatic precipitation unit；301st, corona electrode；302nd, collection electrode；303rd, power supply part.
Specific embodiment
Accompanying drawing with reference to the detailed description of the exemplary embodiment of the present invention hereafter, the accompanying drawing forms of description
Point, show enforceable exemplary embodiment of the invention in the figure as an example.Although these exemplary embodiment quilts
Fully describe in detail so that those skilled in the art can implement the present invention, it is to be understood that be capable of achieving other embodiment and
Can without departing from the spirit and scope of the present invention to the present invention various changes can be made.Hereafter to embodiments of the invention
More detailed description is not limited to required the scope of the present invention, and just to being illustrated and not limiting right
The characteristics of of the invention and the description of feature, to propose to perform the best mode of the present invention, and are sufficient so that those skilled in the art
The present invention can be implemented.Therefore, the scope of the invention is only defined by the appended claims.
Hereafter detailed description of the present invention and example embodiment can combine accompanying drawing to more fully understand, wherein the present invention
Element and feature are identified by reference.
Embodiment 1
With reference to Fig. 1, a kind of capture unit of turning back of flue gas particles of the present embodiment, including reservoir block 210, intake elbow
220 and outlet bend pipe 230, described intake elbow 220 is connected with the bottom of outlet bend pipe 230 and constitutes bend pipe of turning back, institute
The reservoir block 210 stated is inclined to be arranged on outlet bend pipe 230, and reservoir block 210 is inclined to be arranged at outlet bend pipe 230
Bottom, as shown in figure 1, reservoir block 210 is arranged at bend pipe bottom side to the right of turning back, described reservoir block 210 is set to circle
It is spherical so that fine particle after into reservoir block 210 once be difficult to be flown out by reservoir block 210, it is therefore prevented that reservoir portion
There is reentrainment of dust in the particle in part 210.
Particulate matter in bend pipe of turning back is settled and is stored in reservoir block 210, and reservoir block 210 and vertical direction
Inclination angle is δ for the inclination angle of 10-30 °, the i.e. geometric center lines of reservoir block 210 and vertical direction, δ=10-30 °, that is, is stored up
Integrate the upper end open of part 210 with the angle of horizontal plane as 10-30 °, preferably 20 ° of the present embodiment.When flue gas and particulate matter are in folding
When bending pipe is moved, under the collective effect of gravity and inertia force, the particulate matter in flue gas can be deposited in bend pipe of turning back to particulate matter,
And the bottom of outlet bend pipe 230 is mainly gathered in, as the upper end open of reservoir block 210 and the angle of horizontal plane are 10-
30 °, particle, can directly by the upper end open first motion of reservoir block 210 in the bottom infall process of outlet bend pipe 230
Into reservoir block 210.
It is worth further illustrating, the minimum position of bend pipe radius of curvature of turning back is located at the bottommost of bend pipe of turning back, and
The reservoir block 210 of the present invention is not arranged at the minimum position of bend pipe radius of curvature of turning back, but inclined is arranged at outlet
On bend pipe 230, the position is not the minimum position of radius of curvature, and reservoir block 210 is obliquely installed, has broken the formula of turning back and gathered dust
Device capturing device is arranged on turn back bend pipe curvature minimum at or vertical lowest point inertial thinking, on the contrary particulate matter is had
Preferably trap and trap effect.Its reason is probably, on the basis of the original initial velocity of the particle in flue gas, in gravity and particle
Under the collective effect of the inertia force in motion process, it is more easy to be gathered near the bottom of outlet bend pipe 230, the setting causes particle
Thing is easier in bend pipe of turning back to settle and be stored in reservoir block 210.
Above-mentioned 210 porch of reservoir block is additionally provided with waterfog head 212, and particulate matter is being stored up after water smoke moistening
Secondary agglomeration is carried out in collection part 210 so that fine particle carries out reunion and grows up, increases weight, it is to avoid be deposited in reservoir portion
The particulate matter of 210 bottom of part is flown in outlet bend pipe 230 again.And, it is provided with 210 bottom of reservoir block and unloads dirt valve 213,
After a part of particle thing has been preserved in reservoir block 210, can open and unload dirt valve 213, will accumulate in reservoir block 210
Grain thing is discharged.
Above-mentioned intake elbow 220 and outlet bend pipe 230 are connected with flue by shaking bellows 201, i.e. air inlet
Flue gas at the top of bend pipe 220 is flowed into end 221 and is connected with the flue on top by shaking bellows 201, and outlet bend pipe 230 is pushed up
The flue gas outflow end 231 in portion is connected with the flue on top by shaking bellows 201, that is, bend pipe of turning back can be relative to flue gas
Pipeline makees the vibrations of vertical direction, and the fine particle during vibrations in flue gas is sent out in bend pipe of turning back with flue gas simultaneously
Raw disturbance, collides in bend pipe of turning back so as to promote particulate matter, and promotes fine particle generation reunion to grow up, this
Rolled over bending pipe increases the complexity that particle is moved in bend pipe of turning back during vibrations simultaneously, promotes particulate matter more
Among easily entering reservoir block 210.Electromagnetic shaker 202 is provided with capture unit of turning back 200, electromagnetic shaker 202 can promote to roll over
There are vibrations in bending pipe.
Embodiment 2
A kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device of the present embodiment, including 100 He of particle agglomeration unit
Agglomerator shower nozzle 101 is provided with capture unit of turning back 200, wherein particle agglomeration unit 100；Capture unit of turning back 200 is upper
The capture unit 200 of turning back stated；Particle agglomeration unit 100 is arranged at the top of capture unit 200 of turning back, particle agglomeration unit
100 bottom is connected with the intake elbow 220 of capture unit 200 of turning back, and particulate matter is reunited in particle agglomeration unit 100 and grown up,
And capture unit 200 of being turned back is trapped, the arresting efficiency of particulate matter in flue gas is improve.
Particle agglomeration unit 100 is arranged at the top of capture unit 200 of turning back, bottom and the folding of particle agglomeration unit 100
Turn capture unit 200 intake elbow 220 be connected, particle agglomeration unit 100 include agglomerator shower nozzle 101, turbulence columns 102 and
Grain reunion room 104, described agglomerator shower nozzle 101 and turbulence columns 102 are arranged at the inside of particle agglomeration room 104, agglomerator spray
101 tops for being located at turbulence columns 102, the flow direction of injection direction and flue gas conversely, in flue gas fine particle with reunite
The agglomerator droplet touch opportunity increase that agent shower nozzle 101 head-on sprays, so as to improve agglomerating effect.
What deserves to be explained is the diameter with diameter greater than flue of particle agglomeration room 104, above particle agglomeration room 104
Pipeline is provided with an expansion line 105, and flue is connected by expansion line 105 with particle agglomeration room 104, and flue gas is in extension
Preliminary turbulent flow is produced at pipeline 105, while reducing flue gas speed.Flue gas enters particle agglomeration room 104 by the flue on top
Afterwards, flue gas flow rate slows down so that fine particle is contacted with agglomerator droplet more fully, be conducive to particulate matter in flue gas with
Agglomerator mixes；The shape of cross section of turbulence columns 102 is isosceles triangle, and triangle base is perpendicular to flow of flue gas direction, top
Angle pointing direction is relative with flow of flue gas direction, flue gas turbulization when turbulence columns 102, by rotation and mutually collision,
It is fully contacted between fine particle and agglomerator droplet and between other particles, strengthens agglomerating effect, promote fine
Particulate matter is reunited and is grown up, so as to increase particle size, beneficial to being trapped by ensuing capture unit 200 of turning back.
The bottom of particle agglomeration room 104 is provided with Contraction Ducts 103, and the cross-sectional area of the Contraction Ducts 103 is along vertical
Downwardly direction is gradually reduced, and particle agglomeration room 104 is connected with intake elbow 220 by Contraction Ducts 103, increases gas velocity
Rate so that flue gas is entered higher initial velocity in capture unit 200 of turning back, produces larger inertia force, is conducive to particulate matter
There is sedimentation in capture unit 200 of turning back.
Flue gas at the top of intake elbow 220 flows into end 221 by shaking 103 phase of Contraction Ducts of bellows 201 and top
Even, the flue gas outflow end 231 at the top of outlet bend pipe 230 is connected with the flue on top by shaking bellows 201, that is, turn back
Bend pipe can make the vibrations of vertical direction relative to particle agglomeration unit 100.
Embodiment 3
The substance of the present embodiment with embodiment 2, difference is：Also include electrostatic precipitation unit 300, electrostatic is removed
Dirt unit 300 includes corona electrode 301, collection electrode 302 and power supply part 303, and described corona electrode 301 is arranged at particle
The bottom of agglomeration unit 100, in sintering flue gas, fine particle speed after the reunion of 102 flow-disturbing of turbulence columns is reduced, therefore Jing
Cross corona electrode 301 to take longer for, it is charged more abundant, and also subparticle is in 104 top of particle agglomeration room reunion length
Greatly so that the particle that reunion is grown up can be preferably charged by corona electrode 301；Collection electrode 302 is arranged at reservoir block 210 and enters
Top at mouthful, the particulate matter of the trapping of collection electrode 302 are fallen in reservoir block 210.Corona electrode 301 in the present embodiment, gather dust
Electrode 302 is connected with the negative and positive electrode of power supply part 303 respectively, i.e., corona electrode 301 is connected with the negative pole of power supply part 303,
Collection electrode 302 is connected with the positive pole of power supply part 303.
In the case that corona electrode 301 discharges, the particulate matter in flue gas is in the bottom of particle agglomeration unit 100 by load
Negative electrical charge, then into electrostatic precipitation unit 300, locates above 210 porch of reservoir block, carries the particulate matter quilt of negative electrical charge
Collection electrode 302 is trapped, and bend pipe of turning back can make the vibrations of vertical direction relative to particle agglomeration unit 100, vibrations and
Mutual collision is produced, the contact probability of particulate matter and collection electrode 302 is increased.So as to promote particulate matter in reservoir block
210 places above porch are trapped by collection electrode 302, and the particulate matter of collection electrode 302 is deposited in storage during vibrations
In collection part 210.
Embodiment 4
The substance of the present embodiment with embodiment 2, difference is：The present embodiment is turned back in capture unit 200
Electromagnetic shaker 202 is provided with, capture unit of entirely turning back 200 can all produce vibrations, particulate matter reaches receipts above reservoir block 210
Before dirt electrode 302, vibrations and produce mutual collision, be more easy to be trapped by collection electrode 302, reach after collection electrode 302 because
Increase particulate matter and 302 contact probability of collection electrode for vibrations, collection electrode 302 is ejected in the particulate matter vibrations after neutralization, and is fallen
Enter in reservoir block 210, capture, trap more particulate matters.Intake elbow 220 and outlet bend pipe 230 are by shaking ripple
Pipe 201 is connected with flue, and, during vibrations, the particle agglomeration unit 100 on top can't for capture unit of turning back 200
Generation shakes, and reduces during capture unit 200 of turning back is trapped for 100 aggregation procedure of particle agglomeration unit affects.
Embodiment 5
As shown in Fig. 2 the substance of the present embodiment is with embodiment 2, difference is：Reservoir block 210 is by collection
Dirt bellows 214 is connected with bend pipe of turning back, it is to avoid bend pipe of turning back vibrations cause 210 airborne dust of reservoir block；Enter in reservoir block 210
Dust spoiler 211 is additionally provided with mouthful, its effect is to reduce the speed after particulate matter enters reservoir block 210, coordinates water smoke
Shower nozzle 212, makes particulate matter better through water smoke secondary agglomeration, it is to avoid 210 endoparticle thing of reservoir block is raised out.
The present invention reduction of discharging step be：
Step one, fine particle are reunited
Flue gas enters reunion capturing device, sprays into agglomerator in reunion capturing device in flue gas, fine particle with
Agglomerator is sufficiently mixed, and agglomerator droplet is sufficiently mixed with flue gas and is reunited grows up；Describe in detail as follows：
A, flue gas enter particle agglomeration room 104, spray into agglomerator droplet at the top of particle agglomeration room 104 in flue gas,
And the flow direction of the injection direction of agglomerator droplet and flue gas is conversely, flue gas is under the effect of 102 flow-disturbing of turbulence columns, subparticle
There is the motion of irregular direction in thing, the particulate matter in agglomerator droplet and flue gas is sufficiently mixed and reunites grows up；
After B, particulate matter reunion are grown up, corona electrode 301 carries out corona discharge to particulate matter, makes electricity is taken on particulate matter
Lotus, and corona electrode 301 is connected with the negative pole of power supply part 303, so that negative electrical charge on particulate matter band.
Step 2, trap particulate matter
Fine particle reunite grow up after enter reunion capturing device and turning back in bend pipe, in the steering of bend pipe bottom of turning back
The change gas flow rapidly of position flue gas, the particulate matter in flue gas are separated with flue gas in the presence of gravity and inertia force, folding
Bending pipe is inclined to arrange reservoir block 210, and particulate matter is trapped and stored by reservoir block 210；Describe in detail as follows：
Particulate matter in A, flue gas grows up Jing reuniting, capture unit 200 of turning back is entered after corona discharge, and particulate matter is with flue gas
Move along in bend pipe of turning back, particulate matter is settled under the collective effect of gravity and Particle Inertia power, is captured under bend pipe of turning back
In the reservoir block 210 in portion；
B, power supply part 303 are powered for collection electrode 302 so that collection electrode 302 takes the electric charge different with particulate matter,
The particle not settled is trapped by collection electrode 302, Jing after vibrations is stored in reservoir block 210；Wherein collection electrode 302 and power supply
The positive pole of part 303 is connected, and is adsorbed by collection electrode 302 by the particulate matter of negative electricity on 301 load of corona electrode, in vibrations
During the particulate matter that adsorbs in collection electrode 302 fall in reservoir block 210, and trapped by reservoir block 210.
The present invention is described in detail above in conjunction with specific exemplary embodiment.It is understood, however, that can not take off
Various modifications and variations are carried out in the case of the scope of the present invention being defined by the following claims.Detailed description and drawings
Should be to be considered only as it is illustrative and not restrictive, if there is any such modification and modification, then they all incite somebody to action
Fall in the scope of the present invention described here.Additionally, background technology is intended to illustrate the Development Status and meaning of this technology,
It is not intended to limit the application of the present invention or the application and the present invention.
Although more specifically, here has been described with the exemplary embodiment of the present invention, the invention is not limited in
These embodiments, but including those skilled in the art according to above detailed description it can be appreciated that it is modified, omit,
Any and whole embodiments of (such as between each embodiment) combination, adaptive change and/or replacement.In claim
Restriction can be widely explained according to the language used in claim, and is not limited in foregoing detailed description or in reality
The example described during applying this application, these examples are considered as nonexcludability.For example, in the present invention, term is " preferred
Ground " not exclusively, preferably, here it means that " but be not restricted to that ".Where method or process claims in office
In any step for the enumerating order that can perform in any order and propose in being not limited to claim.Therefore, the present invention
Scope only should be determined by claims and its legal equivalents, rather than by descriptions and examples given above come
It is determined that.
Claims (10)
1. the capture unit of turning back of a kind of flue gas particles, it is characterised in that：Including reservoir block (210), intake elbow (220)
With outlet bend pipe (230), described intake elbow (220) is connected with the bottom of outlet bend pipe (230) and constitutes bend pipe of turning back,
Described reservoir block (210) is inclined to be arranged on outlet bend pipe (230), and particulate matter in bend pipe of turning back is settled and is stored in
In reservoir block (210).
2. the capture unit of turning back of a kind of flue gas fine particulate matter according to claim 1, it is characterised in that：Described enters
Gas bend pipe (220) and outlet bend pipe (230) are connected with flue by shaking bellows (201).
3. the capture unit of turning back of a kind of flue gas fine particulate matter according to claim 2, it is characterised in that：Described storage
The inclination angle for integrating part (210) with vertical direction is as 10-30 °, and reservoir block (210) porch is provided with waterfog head
(212)。
4. the capture unit of turning back of a kind of flue gas particles according to any one of claim 1-3, it is characterised in that：It is described
Capture unit of turning back (200) on be provided with electromagnetic shaker (202).
5. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device, it is characterised in that：Including
Agglomerator shower nozzle (101) is provided with particle agglomeration unit (100), the particle agglomeration unit (100)；
Capture unit of turning back (200), turn back trapping of the capture unit of turning back (200) described in any one of claim 1-4 are single
Unit；
Described particle agglomeration unit (100) is arranged at the top of capture unit of turning back (200), particle agglomeration unit (100)
Bottom is connected with the intake elbow (220) of capture unit of turning back (200).
6. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device according to claim 5, it is characterised in that：Institute
The particle agglomeration unit (100) stated includes agglomerator shower nozzle (101), turbulence columns (102) and particle agglomeration room (104), described
Agglomerator shower nozzle (101) and turbulence columns (102) are arranged at the inside of particle agglomeration room (104), and agglomerator shower nozzle (101) is located at
The top of turbulence columns (102).
7. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device according to claim 6, it is characterised in that：Institute
The injection direction of the agglomerator shower nozzle (101) stated is contrary with the flow direction of flue gas；The cross section shape of described turbulence columns (102)
Shape is isosceles triangle.
8. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device according to claim 6 or 7, its feature exist
In：The bottom of described particle agglomeration room (104) is provided with Contraction Ducts (103), the cross-sectional area edge of the Contraction Ducts (103)
Vertically downward direction to be gradually reduced, particle agglomeration room (104) are connected with intake elbow (220) by Contraction Ducts (103).
9. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device according to claim 8, it is characterised in that：Also
Including electrostatic precipitation unit (300), the electrostatic precipitation unit (300) is including corona electrode (301), collection electrode (302) and supplies
Electric part (303), described corona electrode (301) are arranged in particle agglomeration unit (100), and collection electrode (302) is arranged at
On the outlet bend pipe (230) of capture unit of turning back (200), described corona electrode (301), collection electrode (302) respectively with confession
The negative and positive electrode of electric part (303) is connected.
10. a kind of agglomeration for iron mine flue gas fine particulate matter reunion capturing device according to claim 9, it is characterised in that：
Described corona electrode (301) is arranged at the bottom of turbulence columns (102), and described collection electrode (302) is arranged at reservoir block
(210) above porch.
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| CN201811621271.3A CN109569169B (en) | 2016-11-30 | 2016-11-30 | Device and method for capturing fine particles of sintering flue gas |
| CN201611077977.9A CN106512632B (en) | 2016-11-30 | 2016-11-30 | A kind of sintering flue gas fine particle is turned back capture unit |
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| CN201611077977.9A CN106512632B (en) | 2016-11-30 | 2016-11-30 | A kind of sintering flue gas fine particle is turned back capture unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672238A (en) * | 2020-06-11 | 2020-09-18 | 安徽天顺环保设备股份有限公司 | Nozzle anti-blocking device and method of submerged arc furnace flue gas spray dust remover |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109569169B (en) | 2023-09-19 |
| CN106512632B (en) | 2018-12-14 |
| CN109569169A (en) | 2019-04-05 |
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