CN109692541A - A kind of flue gas high-efficiency dust remover - Google Patents
A kind of flue gas high-efficiency dust remover Download PDFInfo
- Publication number
- CN109692541A CN109692541A CN201910034270.7A CN201910034270A CN109692541A CN 109692541 A CN109692541 A CN 109692541A CN 201910034270 A CN201910034270 A CN 201910034270A CN 109692541 A CN109692541 A CN 109692541A
- Authority
- CN
- China
- Prior art keywords
- dust
- flue gas
- efficiency
- dust remover
- gas high
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000003546 flue gas Substances 0.000 title claims abstract description 94
- 239000000428 dust Substances 0.000 title claims abstract description 85
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 32
- 239000003595 mist Substances 0.000 claims abstract description 17
- 239000010419 fine particle Substances 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 3
- 238000000889 atomisation Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 claims 1
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- 239000000779 smoke Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Classifications
-
- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
Abstract
The invention discloses a kind of flue gas high-efficiency dust removers, include an inlet and an outlet, by being successively arranged multiple gear dewatering dust-cleaning device, super-thin spray device, efficient mist eliminator and dewatering dust-cleaning device on the entrance to the export direction in the flue gas high-efficiency dust remover；The inlet in the flue gas high-efficiency dust remover is arranged in the dewatering dust-cleaning device of gear again, and the gear dewatering dust-cleaning device again will enter the fume-dehydrating dedusting in the flue gas high-efficiency dust remover；Dust fine particle in the efficient mist eliminator impact flue gas, makes dust fine particle reunite；The super-thin spray device sprays water droplets, and the water droplets collect the dust fine particle in flue gas and form dust-laden droplet after colliding with dust fine particle, and dust-laden droplet is settled by self gravity.
Description
Technical field
The invention belongs in the field of gas cleaning, and in particular to a kind of flue gas high-efficiency dust remover.
Background technique
Currently, industrial common cleaner mainly has electrostatic precipitator, bag filter and wet scrubber.These
Equipment total efficiency of dust collection with higher, but they have a common defects, i.e., very to the removal efficiency of the biggish particle of partial size
Height, and it is very low to micron or submicron particles removal efficiency.Therefore, these cleaners are to PM10 especially PM2.5's
Arresting efficiency is very low.
In view of this, the present invention is specifically proposed.
Summary of the invention
The object of the present invention is to provide a kind of flue gas high-efficiency dust remover, it can be achieved that removal is difficult to sub-micron ultra-fine removed
Grain, thoroughly solves the problems, such as that soot emissions are exceeded.
To achieve the goals above, flue gas high-efficiency dust remover provided by the invention, includes an inlet and an outlet, in the flue gas
In high-efficiency dust remover by be successively arranged on the entrance to the export direction multiple gear dewatering dust-cleaning device, super-thin spray device,
Efficient mist eliminator and dewatering dust-cleaning device；The entrance in the flue gas high-efficiency dust remover is arranged in the dewatering dust-cleaning device of gear again
Place, the gear dewatering dust-cleaning device again will enter the fume-dehydrating dedusting in the flue gas high-efficiency dust remover；It is described efficiently to catch mist
Device impacts the dust fine particle in flue gas, and dust fine particle is made to reunite；The super-thin spray device sprays water droplets, institute
It states water droplets to collect the dust fine particle in flue gas and form dust-laden droplet after colliding with dust fine particle, contains cloud
Drop is settled by self gravity.
Further, acoustic agglomeration device is equipped in the efficient mist eliminator.
Preferably, the dewatering dust-cleaning device is silk screen dewatering dust-cleaning device, and flue gas passes through in the flue gas high-efficiency dust remover
It crosses after the super-thin spray device, tiny dust-laden particle water is by air-flow entrainment of rising, the tiny dust-laden in flue gas
After the silk screen that particle water passes through the silk screen dewatering dust-cleaning device, due to the effect of inertia of rising, so that the tiny dust-laden
Particle water and the silk screen are collided and are adhered on the surface of silk screen.
Further, flushing water is equipped between the dewatering dust-cleaning device and the outlet of the flue gas high-efficiency dust remover to fill
It sets.
Preferably, the dewatering dust-cleaning device is swirl vane dewatering dust-cleaning device, cigarette in the flue gas high-efficiency dust remover
Gas pass through the super-thin spray device after, in flue gas tiny dust-laden particle water by air-flow entrainment of rising, it is described tiny
After dust-laden particle water passes through the swirl vane dewatering dust-cleaning device, so that the tiny dust-laden particle water and the eddy flow leaf
The swirl vane of piece dewatering dust-cleaning device passes through centrifugal bump and is adhered on the surface of the swirl vane, realizes gas-liquid point
From.
Preferably, the atomizing particle diameter that the super-thin spray device sprays is less than 200 μm, the super-thin spray device spray
Atomizing particle out is inversely mixed with the flue gas for entering the flue gas high-efficiency dust remover.
Preferably, the outside of the flue gas high-efficiency dust remover is equipped with sound arrester.
Preferably, the entrance of the flue gas high-efficiency dust remover is connected with wet method dedusting system, and the high-efficiency dust remover goes out
Mouth is separately connected gas recovery system and diffusing chimney by air-introduced machine.
A kind of flue gas high-efficiency dust remover provided by the invention, has the following beneficial effects:
1, it can be transformed, can be organically combined with existing wet method dedusting system in existing mill construction, using now
There is draught fan system, does not increase resistance additionally；It is short that the period is transformed；Small investment；Equipment failure rate is reduced, it is stable；
2, gas cleaning efficiency is improved, smoke emissioning concentration is reduced, makes smoke emissioning concentration lower than 10mg/m3, is better than state
The newest discharge standard of family.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flue gas high-efficiency dust remover of embodiment 1.
Fig. 2 is the structural schematic diagram of the flue gas high-efficiency dust remover of embodiment 2.
In figure:
1. efficient 4. dewatering dust-cleaning device of mist eliminator, the 5. flushing water dress of 2. super-thin spray device of gear dewatering dust-cleaning device 3. again
It sets.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, With reference to embodiment to this hair
It is bright to be described in further detail.
Flue gas high-efficiency dust remover, including the multiple gear dewatering dust-cleaning device 1, ultra-fine by being arranged successively on entrance to export direction
Spraying device 2, efficient mist eliminator 3 and dewatering dust-cleaning device 4, dewatering dust-cleaning device 4 can choose to be filled using silk screen dehydration dedusting
It sets or swirl vane dewatering dust-cleaning device；The outside of flue gas high-efficiency dust remover is equipped with sound arrester, can be in flue gas high-effective dust-removing
The outer wall of device device is surrounded by puigging, with the noise pollution at the scene of reducing；Conventional wet lay dust pelletizing system and the flue gas high-effective dust-removing
The entrance of device connects, and the outlet of the high-efficiency dust remover is separately connected gas recovery system and diffusing chimney by air-introduced machine.Flue gas
High-efficiency dust remover can be transformed in existing mill construction, can be organically combined with existing wet method dedusting system, utilization is existing
Draught fan system does not increase resistance additionally；It is short that the period is transformed；Small investment；Equipment failure rate is reduced, it is stable；Improve flue gas
Purification efficiency reduces smoke emissioning concentration, makes smoke emissioning concentration lower than 10mg/m3。
Embodiment 1
As shown in Figure 1, flue gas leans on gravity in the lower part of flue gas high-efficiency dust remover after flue gas enters in flue gas high-efficiency dust remover
Remove a part of water and dust；It is equipped in flue gas high-efficiency dust remover in inlet and keeps off dewatering dust-cleaning device 1 again, by the flue gas of entrance
Remove a part of water and dust；Flue gas reaches at super-thin spray device 2 later, and super-thin spray device 2 sprays into particle less than 200 μm
Water droplets, collect the fine dust in flue gas using the minimum water droplets that are exceedingly fast, water droplets are touched with fine dust
Biggish dust-laden droplet is formed after hitting, efficient mist eliminator improves the effect that enhancing is reunited, in flue gas high-efficiency dust remover lower part, gas
After reduced velocity flow, biggish dust-laden water droplet is settled by self gravity, reaches dedusting purpose；It is efficiently removed to improve flue gas
The efficiency of dust collection of dirt device can increase efficient mist eliminator 3 in flue gas high-efficiency dust remover, be equipped with sound wave group in efficient mist eliminator 3
Poly- device impacts dust fine particle using acoustic agglomeration device, is allowed to touch with the water droplets that super-thin spray device 2 sprays into
It hits, forms biggish dust-laden droplet, remove dust-laden droplet by gravity in flue gas high-efficiency dust remover；Acoustic agglomeration is a kind of flue gas
Preconditioning technique is handled before flue gas enters deduster using sound wave, and fine grained therein is made to collide, reunite,
It forms bulky grain and increases the average grain diameter of aerosol to reduce fine grained quantity, finally improve its dedusting in deduster
Efficiency；The flue gas of removing part dust enters silk screen dewatering dust-cleaning device, and silk screen dewatering dust-cleaning device has large specific surface area, again
The advantages that amount is light, free volume is big, easy to use, efficiency of dust collection is up to 99% or more, and relatively fine dust-laden particle water is by gas
Stream is reunited entrainment of rising and persistently under sound wave effect, efficient by the filtering among the grid of silk screen dewatering dust-cleaning device
After silk screen, due to the effect of inertia of rising, so that particle water or mist and filament are collided and are adhered on the surface of filament, flue gas
Dedusting is further dehydrated by silk screen dewatering dust-cleaning device；It can between silk screen dewatering dust-cleaning device and the outlet of flue gas high-efficiency dust remover
To be equipped with rinse water arrangement 5, rinse water arrangement 5 is used for the silk screen of cleaning web dewatering dust-cleaning device, avoids silk screen because of dust stratification
It results in blockage.Flue gas is after the further dedusting of flue gas high-efficiency dust remover, and granular material discharged concentration can be lower than 10mg/ in flue gas
m3。
Embodiment 2
As shown in Fig. 2, flue gas leans on gravity in the lower part of flue gas high-efficiency dust remover after flue gas enters in flue gas high-efficiency dust remover
Remove a part of water and dust；It is equipped in flue gas high-efficiency dust remover in inlet and keeps off dewatering dust-cleaning device 1 again, by the flue gas of entrance
Remove a part of water and dust；Flue gas reaches at super-thin spray device 2 later, and super-thin spray device 2 sprays into particle less than 200 μm
Water droplets, collect the fine dust in flue gas using the minimum water droplets that are exceedingly fast, water droplets are touched with fine dust
Biggish dust-laden droplet is formed after hitting, in flue gas high-efficiency dust remover lower part, after gas flow rate slows down, biggish dust-laden water droplet is leaned on
Self gravity is settled, and dedusting purpose is reached；In order to improve the efficiency of dust collection of flue gas high-efficiency dust remover, in flue gas high-effective dust-removing
Efficient mist eliminator 3 can be increased in device, be equipped with acoustic agglomeration device in efficient mist eliminator 3, impact powder using acoustic agglomeration device
Dirt fine particle is allowed to collide with the water droplets that super-thin spray device 2 sprays into, biggish dust-laden droplet is formed, in flue gas height
It imitates in deduster and removes dust-laden droplet by gravity；The flue gas of removing part dust enters swirl vane dewatering dust-cleaning device, compares
Tiny dust-laden particle water is reunited entrainment of rising and persistently by air-flow under sound wave effect, so that particle water or mist and rotation
Stream blade is adhered on the surface of swirl vane by centrifugal bump, realizes gas-liquid separation, reaches refined dedusting effect, is realized high
Up to 99.9% removal rate, flue gas is further dehydrated dedusting by swirl vane dewatering dust-cleaning device；Flue gas is high by the flue gas
After imitating the further dedusting of deduster, granular material discharged concentration can be lower than 10mg/m in flue gas3。
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in the present invention
Protection scope within.
Claims (8)
1. a kind of flue gas high-efficiency dust remover, includes an inlet and an outlet, which is characterized in that by institute in the flue gas high-efficiency dust remover
It states and is successively arranged multiple gear dewatering dust-cleaning device, super-thin spray device, efficient mist eliminator and dehydration on entrance to the export direction
Dust-extraction unit；The inlet in the flue gas high-efficiency dust remover, the multiple gear dehydration is arranged in the dewatering dust-cleaning device of gear again
Dust-extraction unit will enter the fume-dehydrating dedusting in the flue gas high-efficiency dust remover；Powder in the efficient mist eliminator impact flue gas
Dirt fine particle makes dust fine particle reunite；The super-thin spray device sprays water droplets, and the water droplets collect cigarette
Dust fine particle in gas and with dust-laden droplet is formed after the collision of dust fine particle, dust-laden droplet is by self gravity progress
Sedimentation.
2. flue gas high-efficiency dust remover according to claim 1, which is characterized in that be equipped with sound wave group in the efficient mist eliminator
Poly- device.
3. flue gas high-efficiency dust remover according to claim 1, which is characterized in that the dewatering dust-cleaning device is silk screen dehydration
Dust-extraction unit, flue gas is by after the super-thin spray device in the flue gas high-efficiency dust remover, tiny dust-containing water in flue gas
Particle by air-flow entrainment of rising, after the silk screen that the tiny dust-laden particle water passes through the silk screen dewatering dust-cleaning device, by
In the effect of inertia of rising, so that the tiny dust-laden particle water and the silk screen are collided and are adhered on the surface of silk screen.
4. flue gas high-efficiency dust remover according to claim 3, which is characterized in that the dewatering dust-cleaning device and the flue gas
Rinse water arrangement is equipped between the outlet of high-efficiency dust remover.
5. flue gas high-efficiency dust remover according to claim 1, which is characterized in that the dewatering dust-cleaning device is swirl vane
Dewatering dust-cleaning device, flue gas is tiny in flue gas to contain by after the super-thin spray device in the flue gas high-efficiency dust remover
Dirt particle water by air-flow entrainment of rising, after the tiny dust-laden particle water passes through the swirl vane dewatering dust-cleaning device,
So that the swirl vane of the tiny dust-laden particle water and the swirl vane dewatering dust-cleaning device passes through centrifugal bump and glues
It is attached on the surface of the swirl vane, realizes gas-liquid separation.
6. flue gas high-efficiency dust remover according to claim 1, which is characterized in that the atomization that the super-thin spray device sprays
Particle diameter is less than 200 μm, the atomizing particle that the super-thin spray device sprays and the cigarette for entering the flue gas high-efficiency dust remover
The circulation of vital energy in the wrong direction is to mixing.
7. flue gas high-efficiency dust remover according to claim 1, which is characterized in that the outside of the flue gas high-efficiency dust remover is set
There is sound arrester.
8. flue gas high-efficiency dust remover according to claim 1-7, which is characterized in that the flue gas high-efficiency dust remover
Entrance be connected with wet method dedusting system, the outlet of the high-efficiency dust remover by air-introduced machine be separately connected gas recovery system and
Diffusing chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034270.7A CN109692541A (en) | 2019-01-15 | 2019-01-15 | A kind of flue gas high-efficiency dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034270.7A CN109692541A (en) | 2019-01-15 | 2019-01-15 | A kind of flue gas high-efficiency dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109692541A true CN109692541A (en) | 2019-04-30 |
Family
ID=66233269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034270.7A Pending CN109692541A (en) | 2019-01-15 | 2019-01-15 | A kind of flue gas high-efficiency dust remover |
Country Status (1)
| Country | Link |
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| CN (1) | CN109692541A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628982A (en) * | 2019-11-14 | 2019-12-31 | 北京博鹏中科环保科技有限公司 | LT dry dedusting system and LT dry dedusting method |
| CN111632462A (en) * | 2020-06-10 | 2020-09-08 | 北京博鹏中科环保科技有限公司 | Treatment method of water-containing flue gas of steel slag |
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-
2019
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| CN110628982A (en) * | 2019-11-14 | 2019-12-31 | 北京博鹏中科环保科技有限公司 | LT dry dedusting system and LT dry dedusting method |
| CN111632462A (en) * | 2020-06-10 | 2020-09-08 | 北京博鹏中科环保科技有限公司 | Treatment method of water-containing flue gas of steel slag |
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Address after: 101318 room 404, building 2, yard 11, Yuxi Road, Houshayu Town, Shunyi District, Beijing Applicant after: BEIJING BOPENG ZHONGKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Applicant after: Xinji Aosen iron and Steel Group Co., Ltd Address before: 101318 room 404, building 2, yard 11, Yuxi Road, houshayu, Shunyi District, Beijing Applicant before: BEIJING BOPENG ZHONGKE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Applicant before: XINJI AOSEN IRON & STEEL Co.,Ltd. |
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