CN108607312A - A kind of ash-laden gas processing method and its device - Google Patents
A kind of ash-laden gas processing method and its device Download PDFInfo
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- CN108607312A CN108607312A CN201810690756.1A CN201810690756A CN108607312A CN 108607312 A CN108607312 A CN 108607312A CN 201810690756 A CN201810690756 A CN 201810690756A CN 108607312 A CN108607312 A CN 108607312A
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- 238000003672 processing method Methods 0.000 title claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 26
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000009736 wetting Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 53
- 239000003546 flue gas Substances 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 21
- 238000012545 processing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000010802 sludge Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005200 wet scrubbing Methods 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 210000000867 larynx Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013409 condiments Nutrition 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/10—Venturi scrubbers
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a kind of ash-laden gas processing method and its devices, including full wall surface wetting overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, bridge piece and separator, the trunnion section to be provided with total travel self-locking and be adjusted in synchronism baffle；The full wall surface wetting overflow annular groove is located at Venturi scrubber entrance, converging transition beginning；The tapered pipeline section is the reducing pipe or square tube that section is gradually reduced；The trunnion section is provided with fluid injection nozzle and controllable register inside it between tapered pipeline section and flaring pipeline section, and self-locking gear shift plate regulating mechanism is provided with outside it；The flaring pipeline section is the reducing pipe or square tube that section becomes larger；The bridge piece connection washer outlet and separator inlet are tapered configuration in its outlet section；The separator is provided with tangential inlet, and its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, clean gas outlet is provided at the top of it, its bottom is provided with cleaning solution outlet.
Description
Technical field
The present invention relates to gas purifying equipment fields, more particularly to industrial smoke dust removal field, are specifically related to one kind and contain
Cloud of dust gas disposal method and apparatus.
Background technology
Important source of the flue gas as atmosphere pollution, how efficient low-consume implements gas cleaning for air contaminant treatment pole
It is important.The method that fume treatment mostly uses greatly wet scrubbing at present, wet scrubbing method are used for flue gas washing purified treatment not
It is only safe efficient, solid particulate matter, the soluble detrimental gas in flue gas can be handled simultaneously.Specific wet scrubbing side
Method can be divided into：Gravity spray washer, cyclone scrubber, scrubber, padding washing device, Venturi scrubber etc..Gravity
Spray jet scrubber is simple in structure, the pressure loss low, but can only purify 50 μm or more of particle, and use is not achieved in gas after processing
Or environmental emission standard；Cyclone scrubber is generally used in series with other washers；Scrubber and condiment washer have
The features such as pressure loss is low, to catch dust quantity big, service life is long, but plate type washing and padding washing device need periodic cleaning, no
It is suitble to long period continuous operation；Venturi scrubber is big with treating capacity, can handle grain diameter small (0.1 μm or more), consumption
The features such as water is few.
Chinese patent CN102974188 A disclose a kind of processing unit and method of high temperature flue gas containing selenium, which adopts
With dry dust collection device, equipment size is larger, processing time is longer, is not suitable for the quick processing of a large amount of flue gases；Chinese patent CN
206447823 U disclose a kind of coke oven and discharge of the coke soot processing device, this patent passes through spray deduster and scrubbing tower carries out
Flue gas ash removal, such combined method is complex, and energy consumption is higher.
Therefore it needs to optimize current technology using flexible and efficient, low energy consumption method and apparatus.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides the methods and its dress of a kind of processing of ash-laden gas
It sets, specific technical solution is as follows：
A kind of method of ash-laden gas processing, includes the following steps：
(1) ash-laden gas is entered with the speed of 18~30m/s through Venturi scrubber entrance 1, is added in tapered pipeline section 3
Speed is to 60~120m/s, while cleaning solution has full wall face wetting overflow annular groove liquid injection hole 2 to enter, and full wall surface is carried out to tapered pipeline section
Uniform wet；
(2) high-speed gas divides the cleaning solution that two-stage is injected by quick break at scale when by trunnion section 4 from trunnion section
Minimum drop is adjusted in synchronism baffle 4-4 by the total travel self-locking being arranged in trunnion pars infrasegmentalis and further speeds up, ash-laden gas
It is sufficiently mixed with cleaning solution completion, the solid grit in flue gas is captured by droplet and collected；
(3) the then gas deceleration supercharging in flaring pipeline section 5, droplet is assembled by core of grit, again to flue gas
In grit be collected；
(4) flue gas that grit is fully collected enters cyclone separator 12 after washer outlet outflow through tangential entry,
Flue gas is detached under the action of the centrifugal force with dust-containing liquid drop in cyclone separator, and dust-laden drop is thrown toward cyclone separator device
Wall, subsequent dust-containing liquid drop fall under gravity into separator bottom, and clean flue gas is discharged from separator top exit；Separator
Bottom is provided with uniformly spin-ended baffle 10 and conical vortex plate 11, and the grit for falling into bottom is prevented to be brought again into flue gas.
The invention also provides a kind of ash-laden gas processing units, including full wall surface wetting overflow annular groove, tapered pipeline section, larynx
Pipeline section, flaring pipeline section, bridge piece and separator；The trunnion section is provided with total travel self-locking and is adjusted in synchronism baffle；
The full wall surface wetting overflow annular groove is located at Venturi scrubber entrance, converging transition beginning；
The tapered pipeline section is the reducing pipe or square tube that section is gradually reduced；
The trunnion section is provided with fluid injection nozzle and adjusts and keep off inside it between tapered pipeline section and flaring pipeline section
Plate is provided with self-locking gear shift plate regulating mechanism outside it；
The flaring pipeline section is the reducing pipe or square tube that section becomes larger；
The bridge piece connection washer outlet and separator inlet are tapered design in its outlet section；
The separator is provided with tangential inlet, its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, at it
Top is provided with clean gas outlet, its bottom is provided with cleaning solution outlet.
Further, the full wall surface wetting overflow annular groove is washer entrance straight pipe and tapered connection between pipe sections, by
Straight tube end and tapered pipeline section initiating terminal and the annular groove composition overflow annular groove for connecting it, ensure cleaning solution uniform wet reducing pipe
Section.
Further, ranging from 24 °~27 ° of the taper angle of the tapered pipeline section, gas is in tapered pipeline section acceleration and pressure decrease；
Further, the trunnion gas velocity is within the scope of 60~120m/s.
Further, the flaring pipeline section flaring angle is 6 °~8 °, and gas slows down boosting in flaring pipeline section.
Further, bridge piece outlet section is tapered design, and the taper angle of the tapered design is 29 °~44 °.
The beneficial effects of the present invention are：
(1) overflow annular groove is soaked using full wall face, tapered pipeline section wall surface is soaked in normal conditions, kept tapered
The uniformly rational liquid film covering of pipeline section windward side, can greatly reduce erosive wear, corrosion etc. of the high speed dusty gas to wall surface.
(2) it uses total travel self-locking to be adjusted in synchronism baffle mechanism, can accurately adjust throat section size to adapt to difference
Operating mode ensures the operation of washer efficient stable, makes up the deficiencies in the prior art.
Description of the drawings
Fig. 1 is the apparatus structure flow diagram of embodiment 1；
Fig. 2 is full wall surface wetting overflow annular groove schematic diagram；
Fig. 3 is trunnion segment structure schematic diagram；
Fig. 4 is trunnion section fluid injection arrangement of nozzles schematic diagram；
Fig. 5 is that trunnion section baffle total travel self-locking is adjusted in synchronism schematic diagram.
Symbol description：
1 washer entrance；2 full wall surfaces soak overflow annular groove；3 tapered pipeline sections；4 trunnion sections；5 flaring pipeline sections；6 connecting bendings
Pipe；7 liquid level gauges；8 vortex breakers；9 manholes；10 spin-ended baffles；11 is conical baffled；12 cyclone separator cylinders；13 thermometer bosses；
The full wall surfaces of 2-1 soak overflow annular groove liquid injection port；The full wall surfaces of 2-2 soak overflow annular groove shell；Liquid injection pipe in 4-1 throats；4-2 throats
Lower liquid injection pipe；4-3 limiting plates；4-4 adjustable baffle plates；4-5 throats fluid injection tube inlet；4-6 throats liquid injection pipe；The upper liquid injection pipes of 4-7
Nozzle；Liquid injection pipe nozzle under 4-8；4-9 blind flanges；4-10 adjustment axis；4-11 gears；4-12 is external retarder position on axis.
Specific implementation mode
In the following, the present invention is specifically described by embodiment.It is necessarily pointed out that following embodiment is only used
In the invention will be further described, it should not be understood as limiting the scope of the invention, professional and technical personnel in the field
Some nonessential modifications and adaptations that content according to the present invention is made, still fall within protection scope of the present invention.
Embodiment 1
Present inventor has found that venturi wet scrubber is that industrial smoke is wet afterwards after extensive and in-depth study
A kind of method the most efficient in method processing procedure.Based on research, gas liquid ratio, pressure drop, temperature, gas velocity, cleaning solution note at trunnion
Entering mode etc. influences the use scope and detersive efficiency of Venturi scrubber.By rationally designing washer structure and cleaning solution
Feed postition, to improve detersive efficiency, reduce the pressure loss, saving cleaning solution dosage.
For the actual demand of certain factory's fume treatment, the present invention proposes a kind of ash-laden gas processing equipment, including full wall surface
Wetting overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, bridge piece and separator, the trunnion section are provided with full row
Cheng Zisuo is adjusted in synchronism baffle；The full wall surface wetting overflow annular groove is located at Venturi scrubber entrance, converging transition beginning；
The tapered pipeline section is the reducing pipe or square tube that section is gradually reduced；The trunnion section be located at tapered pipeline section and flaring pipeline section it
Between, it is provided with fluid injection nozzle and controllable register inside it, self-locking gear shift plate regulating mechanism is provided with outside it；The flaring
Pipeline section is the reducing pipe or square tube that section becomes larger；The bridge piece connection washer outlet and separator inlet,
Its outlet section is tapered configuration；The separator is provided with tangential inlet, and its underpart is provided with taper vortex shield and uniformly stops
Baffle is revolved, clean gas outlet is provided at the top of it, its bottom is provided with cleaning solution outlet.
The step of ash-laden gas processing method is that ash-laden gas is after the entrance of Venturi scrubber entrance, in reducing pipe
Duan Jinhang accelerates, while a small amount of cleaning solution is by being arranged the overflow annular groove in washer entrance lower part to the full wall of tapered pipeline section progress
Face uniform wet；High-speed gas divides the cleaning solution that two-stage is injected by quick break at scale when by trunnion section, from trunnion section
Minimum drop, by be arranged trunnion pars infrasegmentalis total travel self-locking be adjusted in synchronism baffle further speed up, ash-laden gas with
Cleaning solution completion is sufficiently mixed, and the solid grit in flue gas is captured by droplet and collected；Then slow down in flaring pipeline section gas and increases
Pressure, droplet are assembled by core of grit, are collected again to the grit in flue gas；The flue gas that grit is fully collected from
After washer outlet outflow, enter cyclone separator through tangential entry, flue gas drops in centrifugation with dust-containing liquid in cyclone separator
It is detached under force effect, dust-laden drop is thrown toward cyclone separator wall, and subsequent dust-containing liquid drop falls under gravity into separation
Device bottom, clean flue gas are discharged from separator top exit, and subsequent processing device or emptying are transported to via air-introduced machine；Separator
Bottom is provided with conical vortex plate and uniformly distributed spin-ended baffle, effectively prevent the grit for falling into bottom to be brought again into flue gas, raising is washed
Efficiency is washed, while sludge outlet being provided with vortex breaker and is steadily extracted out with mud after ensureing to wash.
The washer inlet gas speed is 18~30m/s, and trunnion section gas velocity is 60~120m/s, bridge piece
Muzzle velocity is 22~35m/s.The ratio between the cleaning solution volume flow and flue gas volume flow are 0.00175~0.00215.
The method is to the washing that grain size is respectively 0.1 μm or more, 0.4 μm or more, 0.6 μm or more, 0.8 μm or more, 1 μm or more grit
Efficiency is respectively 69%, 83%, 95%, 99%, 100%.
As shown in Figure 1,1 washer entrance；2 full wall surfaces soak overflow annular groove；3 tapered pipeline sections；4 trunnion sections；5 diffusers
Section；6 bridge pieces；7 liquid level gauges；8 vortex breakers；9 manholes；10 spin-ended baffles；11 is conical baffled；12 cyclone separator cylinders；13
Thermometer boss.
| Flue gas flow | 153600m3/h |
| Inlet dust loading capacity | 400kg/h |
| Wash flow quantity | 307m3/h |
| Entrance flue gas temperature | 220℃ |
| Cleaning solution temperature | 93℃ |
| Washer efficiency | 99.2% |
Nominal situation down-off is 153600m3/ h, dust loading capacity be 400kg/h flue gas by washer entrance 1 into
Entering, entrance speed is 21m/s, and by the acceleration of tapered pipeline section 3, flue gas is 120m/s reaching air velocity at trunnion 4,
The cleaning solution that the injection of the nozzle at trunnion is arranged at this time is atomized by high-speed flow preliminary shearing, and nozzle is using the shape that is staggeredly arranged
Formula, mean droplet size are reduced to about 260 μm, and subsequent flue gas flows through further when throat's total travel self-locking synchronous adjustment baffle
120m/h is accelerated to, cleaning solution drop is further atomized, and mean droplet size is about 130 μm at this time, small size drop
The trapping of small size solid particle can be improved by generating, and subsequent flue gas carries out gas solid separation, clean gas by cyclone separator
Emptying process after thering is air-introduced machine to extract out.Quantity of circulating water is 305m in present case3/ h, amount of makeup water 29m3/ h, liquid-gas ratio are less than
2L/m3, detersive efficiency 99.2%, pressure is reduced to 26.3kPa, can be implemented in efficient stable operation.
As shown in Fig. 2, being full wall surface wetting overflow annular groove schematic diagram, wherein 2-1 is that full wall surface soaks overflow annular groove fluid injection
Mouthful, 2-2 is that full wall surface soaks overflow annular groove shell；The full wall surface wetting overflow annular groove be washer entrance straight pipe with it is tapered
Connection between pipe sections by straight tube end and tapered pipeline section initiating terminal and connect its annular groove and form overflow annular groove, ensure that cleaning solution is equal
The tapered pipeline section of even wetting.Ranging from 24 °~27 ° of the taper angle of the tapered pipeline section, gas accelerate to drop in tapered pipeline section
Pressure.
As shown in figure 3, it is that washer throat cleaning solution injection pipe and total travel self-locking are adjusted in synchronism baffle schematic diagram, wherein
4-1 is liquid injection pipe in throat, and 4-2 is liquid injection pipe under throat, and 4-3 is limiting plate, and 4-4 is adjustable baffle plate；The trunnion gas
Speed is within the scope of 60~120m/s.
As shown in figure 4, being washer throat arrangement of nozzles schematic diagram, wherein 4-5 is throat's fluid injection tube inlet, and 4-6 is larynx
Portion's liquid injection pipe, 4-7 are upper liquid injection pipe nozzle；
As shown in figure 5, being that washer throat adjusts shaft assembling schematic diagram, wherein 4-9 is blind flange, and 4-10 is to adjust
Axis, 4-11 are gear, and 4-12 is external retarder position on axis.
The flaring angle of the flaring pipeline section 5 is 6 °~8 °, and gas slows down boosting in flaring pipeline section.The flaring pipeline section
Flaring angle is 6 °~8 °, and gas slows down boosting in flaring pipeline section.
The outlet section of the bridge piece 6 is tapered configuration, and the taper angle of the tapered design is 29 °~44 °.
Claims (10)
1. a kind of ash-laden gas processing unit, including full wall surface soak overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, connect
Connect bend pipe and separator, which is characterized in that the trunnion section is provided with total travel self-locking and is adjusted in synchronism baffle；
The full wall surface wetting overflow annular groove is located at Venturi scrubber entrance, converging transition beginning；
The tapered pipeline section is the reducing pipe or square tube that section is gradually reduced；
The trunnion section is provided with fluid injection nozzle and controllable register inside it between tapered pipeline section and flaring pipeline section,
Self-locking gear shift plate regulating mechanism is provided with outside it；
The flaring pipeline section is the reducing pipe or square tube that section becomes larger；
The bridge piece connection washer outlet and separator inlet are tapered configuration in its outlet section；
The separator is provided with tangential inlet, its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, at the top of it
It is provided with clean gas outlet, its bottom is provided with cleaning solution outlet.
2. ash-laden gas processing unit as described in claim 1, which is characterized in that the full wall surface wetting overflow annular groove is to wash
Wash device entrance straight pipe and tapered connection between pipe sections, by straight tube end and tapered pipeline section initiating terminal and connect its annular groove form overflow
Annular groove is flowed, ensures the tapered pipeline section of cleaning solution uniform wet.
3. ash-laden gas processing unit as described in claim 1, which is characterized in that the taper angle range of the tapered pipeline section
It it is 24 °~27 °, gas is in tapered pipeline section acceleration and pressure decrease.
4. ash-laden gas processing unit as described in claim 1, which is characterized in that the trunnion gas velocity 60~
Within the scope of 120m/s.
5. ash-laden gas processing unit as described in claim 1, which is characterized in that the flaring pipeline section flaring angle be 6 °~
8 °, gas slows down boosting in flaring pipeline section.
6. ash-laden gas processing unit as described in claim 1, which is characterized in that the bridge piece outlet section is tapered knot
The taper angle of structure, the tapered design is 29 °~44 °.
7. a kind of ash-laden gas processing method, step are, ash-laden gas is after the entrance of Venturi scrubber entrance, in reducing pipe
Duan Jinhang accelerates, while a small amount of cleaning solution is by being arranged the overflow annular groove in washer entrance lower part to the full wall of tapered pipeline section progress
Face uniform wet；High-speed gas divides the cleaning solution that two-stage is injected by quick break at scale when by trunnion section, from trunnion section
Minimum drop, by be arranged trunnion pars infrasegmentalis total travel self-locking be adjusted in synchronism baffle further speed up, ash-laden gas with
Cleaning solution completion is sufficiently mixed, and the solid grit in flue gas is captured by droplet and collected；Then slow down in flaring pipeline section gas and increases
Pressure, droplet are assembled by core of grit, are collected again to the grit in flue gas；The flue gas that grit is fully collected from
After washer outlet outflow, enter cyclone separator through tangential entry, flue gas drops in centrifugation with dust-containing liquid in cyclone separator
It is detached under force effect, dust-laden drop is thrown toward cyclone separator wall, and subsequent dust-containing liquid drop falls under gravity into separation
Device bottom, clean flue gas are discharged from separator top exit, and subsequent processing device or emptying are transported to via air-introduced machine；Separator
Bottom is provided with conical vortex plate and uniformly distributed spin-ended baffle, effectively prevent the grit for falling into bottom to be brought again into flue gas, raising is washed
Efficiency is washed, while sludge outlet being provided with vortex breaker and is steadily extracted out with mud after ensureing to wash.
8. the method for claim 7, which is characterized in that the washer inlet gas speed is 18~30m/s, trunnion
Section gas velocity is 60~120m/s, and bridge piece muzzle velocity is 22~35m/s.
9. the method for claim 7, which is characterized in that the ratio between the cleaning solution volume flow and flue gas volume flow are
0.00175~0.00215.
10. the method for claim 7, which is characterized in that the method is respectively 0.1 μm or more to grain size, 0.4 μm with
Upper, 0.6 μm or more, 0.8 μm or more, 1 μm or more grit detersive efficiency is respectively 69%, 83%, 95%, 99%, 100%.
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| CN201810690756.1A CN108607312A (en) | 2018-06-28 | 2018-06-28 | A kind of ash-laden gas processing method and its device |
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| CN201810690756.1A CN108607312A (en) | 2018-06-28 | 2018-06-28 | A kind of ash-laden gas processing method and its device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437998A (en) * | 2020-04-14 | 2020-07-24 | 中国船舶重工集团公司第七0三研究所 | Variable cross section ion wind fog droplet collection device |
| CN112924246A (en) * | 2021-01-29 | 2021-06-08 | 南京理工大学 | System and method for simultaneously capturing and sampling mercury with different valence states and provided with scaling spray pipe |
| CN114788978A (en) * | 2022-05-07 | 2022-07-26 | 长沙有色冶金设计研究院有限公司 | Novel pressure leaching process tail gas treatment device and method |
| CN115430261A (en) * | 2022-08-24 | 2022-12-06 | 河南澜溪环保科技有限公司 | Tubular spraying cyclone washing device |
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| CN208757202U (en) * | 2018-06-28 | 2019-04-19 | 上海米素环保科技有限公司 | A kind of ash-laden gas processing unit |
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| CN2444139Y (en) * | 2000-06-20 | 2001-08-22 | 盛艾尔浦环保设备(北京)有限公司 | Adjustable wet venturi dust removing and disulfurizing intigrated device |
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