CN103657310A - Wet-type efficient dedusting device for classifying dust with different particle sizes - Google Patents
Wet-type efficient dedusting device for classifying dust with different particle sizes Download PDFInfo
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- CN103657310A CN103657310A CN201310560499.7A CN201310560499A CN103657310A CN 103657310 A CN103657310 A CN 103657310A CN 201310560499 A CN201310560499 A CN 201310560499A CN 103657310 A CN103657310 A CN 103657310A
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- 239000000428 dust Substances 0.000 title claims abstract description 75
- 239000002245 particle Substances 0.000 title abstract description 7
- 239000007921 spray Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 15
- 239000003500 flue dust Substances 0.000 claims description 12
- 238000012216 screening Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 18
- 239000000779 smoke Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention discloses a wet-type efficient dedusting device for classifying dust with different particle sizes. The wet-type efficient dedusting device for classifying the dust with the different particle sizes comprises an upper rotational flow device (2), a gas collecting tank (1), a lateral rotational flow device (3) and a high-pressure jet flow ejector (4); a conical ash collecting hopper (6) is arranged at the lower part of the gas collecting tank (1); the lateral rotation flow device (3) is positioned on one side of the upper rotational flow device (2); an air outlet of the upper rotational flow device is communicated with a lateral rotational flow device air intake pipe (14); the high-pressure jet flow ejector (4) is communicated with an air outlet of the lateral rotational flow device (3) by an air pipe (10); the gas collecting tank (1) is internally provided with a core pipe (8); the upper part of the core pipe (8) is communicated with an air outlet of the high-pressure jet flow ejector (4), and the lower part of the core pipe (8) is communicated with a conical reflection separator (7); the conical surface of the reflection separator (7) is provided with a plurality of micro holes through which air flows pass; a lower exhaust opening of the reflection separator (7) is communicated with the ash collecting hopper (6). The wet-type efficient dedusting device for classifying the dust with the different particle sizes, which is provided by the invention, can be widely applied to purifying the dust contained air in places in which purification ground surface crushing, screening, transferring and the like are carried out in a concentrating mill, is excellent in dedusting performance, is low in resistance, runs stably and reliably, and has the relatively high dedusting efficiency on ultrafine dust (10micron).
Description
Technical field
The present invention relates to a kind of dust arrester, especially relate to a kind of Dual-cyclone dust arrester, can be widely used in the purification of the dust laden air in the places such as the fragmentation of metal mine ore dressing plant, screening, transhipment, also the many stage casings, multiple-limb, the Multi-working-surface series connection wind that can be used for down-hole purify, clarifying smoke after explosion (except toxic gas), downhole crushed chamber, drop shaft handling ore deposit, down-hole ore storage bin, the dirty wind that in secondary blasting level, in the extracting drift of dust laden air purification and non-pillar sublevel caving mining methods, long and medium hole drilling produces purifies.
Background technology
In recent years, along with national economy is fast-developing, mineral resources demand strengthens, and inevitably causes environmental disruption and pollution in exploitation of mineral resources, and wherein dust pollution is to Atomspheric Environmental key factor.Mine production process generation dust is multi-point and wide-ranging, and difficulty of governance is large, and being affects one of clean principal element of producing of mine highly effective and safe, and it is contaminated environment not only, to raw material itself, is also a kind of loss.Occupational hazards Yi Bei industry circle that dust in mine causes is fully realized, in particularly opencast perforation of mining, reprinting, transportation and ore dressing crushing and screening workshop, the art production process such as the conveying of material, transhipment, fragmentation, screening all can produce dust.In order to create a good working environment to workman; reduce the probability of happening of occupational disease; carry out the treating flour dust in the production process of mine; the dust that produces dirt pits is effectively controlled; not diffusion towards periphery; fundamentally eliminate dust harzard, realize exploitation of mineral resources and ecological environmental protection coordinated development.
For the improvement of dust pollution, mainly by collecting or adopting limited means to reduce airborne solid grain contamination content, realize.When required airflow reaches requirement, deduster is a critical component, and deduster effect quality directly affects the improvement of environmental quality.
Improvement for this type of dust is all to adopt bag-type dusting, electrostatic precipitation and watering dedusting etc. mostly at present.Due to mining system have Dust Capacity large, spread the features such as wide, dust characteristic is complicated, above-mentioned dust collection method bad adaptability.Therefore, study a kind of economy, the new technical equipment that easy, efficiency of dust collection is high, to improving operating space environment and protection employee occupational health is all very significant.
Chinese patent application 86205845 discloses a kind of Horizontal two-stage whirlwind ash separater, and dusty gas first concentrates through the willy-willy of core pipe is housed, and core pipe two ends are that enclosed shape covers, and there is the venetian blind type blade of curve shape centre.Triangle import and long cone ox horn bend that gas after concentrated enters whirly through guide vane are made cyclonic separation for the second time.Through whirly purified gas and the Purge gas after core pipe is separated, converge and enter air-introduced machine discharge, the dust of separating is removed through dust inlet.But this two-stage whirlwind ash separater can not adapt to the dust of different-grain diameter and particularly contain fine dust (<10 μ m) and effectively process.
Summary of the invention
Object of the present invention is exactly the problems referred to above that exist in existing dedusting technology device, and provide a kind of have efficiency of dust collection is high, energy consumption is low, be not subject to dust characteristic impact, working service easy, to containing the good Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing of fine dust (<10 μ m) treatment effect.
For realizing above-mentioned purpose of the present invention, a kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing of the present invention by the following technical solutions:
The present invention is a kind of carries out to the dust of different-grain diameter blast pipe, the plenum chamber that the Wet-type high-efficient dust arrester of classification processing contains forward spin flow device, is connected with forward spin flow device side direction, the bottom of plenum chamber is taper flue-dust retainer, on plenum chamber, be also provided with the discharge pipe that cleaned air is discharged, complete machine is loaded in frame, and it also contains side cyclone, high-pressure spray injector.Described side cyclone is positioned at a side of forward spin flow device, and the air outlet of forward spin flow device communicates with side cyclone Gas inlet tube, and described high-pressure spray injector communicates with the air outlet of side cyclone by airduct; In described plenum chamber, be provided with core barrel, the top of core barrel communicates with the air outlet of high-pressure spray injector, the bottom of core barrel and taper reflection separator are connected, and the conical surface of reflection separator is provided with the micropore that a plurality of air feed stream passes through, and the lower row mouthful of reflection separator communicates with flue-dust retainer.Described high-pressure spray injector consists of Gas inlet tube, feed pipe, trunnion, the flap that is arranged in trunnion, and the water side of feed pipe is provided with shower nozzle and is positioned at the middle part of Gas inlet tube corresponding with trunnion; Described shower nozzle is comprised of rotatable core body and housing two parts, and housing is threaded onto on core body, and the nozzle of shower nozzle adopts Venturi nozzle.
The lower row mouth of described side cyclone is provided with air-lock device, the lower row mouthful of flue-dust retainer, is provided with water seal arrangement.
Described high-pressure spray injector is to adopt pressure-air to impact the flap-air distributor in trunnion, makes air, water smoke, the abundant mixed collection of fine dust.
Described forward spin flow device, side cyclone are the particles that utilizes centrifugal action separation relatively large.
Described reflection separator is to utilize Action of Gravity Field, collects the bulky grain of cohesion and the dust of water smoke trapping, stops that water smoke enters plenum chamber.
Described air-lock device is star-like flapper.
A kind of operation principle that the dust of different-grain diameter is carried out to the Wet-type high-efficient dust arrester of classification processing of the present invention is: first dusty gas enters forward spin flow device by blast pipe, separated bulky grain thing under centrifugal action, the direct approaching side cyclone of big dust particle is collected discharge, after purifying, side cyclone passes through high-pressure spray injector, after mixing with primary purifying gas, by core barrel and reflection separator, further purify discharge, the aqueous particulate thing that secondary is collected directly enters flue-dust retainer discharge.For the Efficiency Decreasing that prevents that gas leakage from bringing, row's mouthful employing air-lock device sealing deadweight ash discharge under side cyclone; Side cyclone outlet air, containing atomic fine particle, fully contacts trapping by dust, water smoke with air by high-pressure spray, reaches the object of removing fine dust, collects moisture dust and discharges by water seal arrangement.
A kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing of the present invention adopts after technique scheme, has the following advantages:
1. multimachine reason dedusting, processes the dust classification of different-grain diameter, by 3-stage dust-removal, realizes high efficiency, to dust particularly fine dust (<10 μ m) have higher efficiency of dust collection.
2. water consumption is low, and the nozzle of shower nozzle adopts Venturi nozzle, and high-speed gas atomization is effective, and nozzle does not stop up.
3. without fluid level control device, operating maintenance is simple.
4. dust removal performance is excellent, and resistance is low.Running resistance 1300Pa is a kind of desirable update technical equipment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation that the dust of different-grain diameter is carried out to the Wet-type high-efficient dust arrester of classification processing of the present invention;
Fig. 2 be in Fig. 1 A to view;
Fig. 3 is the structural representation of the high pressrue jet apparatus that adopts of the present invention;
Fig. 4 is a kind of Wet-type high-efficient dust arrester airflow direction flow chart that the dust of different-grain diameter is carried out to classification processing of the present invention.
Reference numeral is: 1-plenum chamber; 2-forward spin flow device; 3-side cyclone; 4-high-pressure spray injector; 5-air-lock device; 6-flue-dust retainer; 7-reflects separator; 8-core barrel; 9-support; 10-airduct; 11-water seal arrangement; 12-blast pipe; 13-discharge pipe; 14-side cyclone Gas inlet tube; 15-Gas inlet tube; 16-feed pipe; 17-flap; 18-shower nozzle; 19-trunnion.
The specific embodiment
For further describing the present invention, below in conjunction with drawings and Examples, a kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing of the present invention is described in further details.
The present invention is as shown in Figure 1 a kind of the dust of different-grain diameter is carried out classification processing Wet-type high-efficient dust arrester structural representation and in conjunction with Fig. 2, find out, a kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing of the present invention is constituted by plenum chamber 1, forward spin flow device 2, side cyclone 3, high-pressure spray injector 4, air-lock device 5, flue-dust retainer 6, reflection separator 7, core barrel 8, support 9, airduct 10, water seal arrangement 11, Gas inlet tube 12, discharge pipe 13, and complete machine is loaded in frame 9.Described side cyclone 3 is positioned at a side of forward spin flow device 2, and the air outlet of forward spin flow device 2 communicates with side cyclone Gas inlet tube 14, and described high-pressure spray injector 4 communicates with the air outlet of side cyclone 3 by airduct 10; Core barrel 8 is positioned at plenum chamber 1, the top of core barrel 8 communicates with the air outlet of high-pressure spray injector 4, the bottom of core barrel 8 and taper reflection separator 7 are connected, and the conical surface of reflection separator 7 is provided with the micropore that a plurality of air feed stream passes through, and the lower row mouthful of reflection separator 7 communicates with flue-dust retainer 6.Air-lock device 5 is arranged on the lower row mouthful of side cyclone 3, and water seal arrangement 11 is positioned at the lower row mouthful of flue-dust retainer 6.
The structural representation of the high pressrue jet apparatus that the present invention as shown in Figure 3 adopts is also found out in conjunction with Fig. 1, described high-pressure spray injector 4 consists of Gas inlet tube 15, feed pipe 16, trunnion 19, the flap 17 that is arranged in trunnion 19, and the water side of feed pipe 16 is provided with shower nozzle 18 and is positioned at the middle part of Gas inlet tube 15 corresponding with trunnion 19.Described shower nozzle 18 is comprised of rotatable core body and housing two parts, and housing is threaded onto on core body, size that can adjustable spraying angle by rotation.Flap 17 changes airflow direction, accelerates air velocity and changes, and improves dust and water smoke collision contact probability, improves aggregation efficiency.
The present invention is as shown in Figure 4 a kind of to be carried out the Wet-type high-efficient dust arrester airflow direction flow chart of classification processing and finds out in conjunction with Fig. 1, Fig. 2 the dust of different-grain diameter, first dusty gas enters forward spin flow device 2 by blast pipe 12 and removes most of big dust particle approaching side cyclone 3, under centrifugal action, trap, enter ash bucket, dry type is discharged; The concentrated high-pressure spray injector 4 that enters of air (accounting for total air 40%) that contains fine dust after purification, dust laden air mixes trapping with water, enter core barrel 8, gas mixed collection in core barrel 8 with 2 discharges of forward spin flow device, after reflection separator 7, dust-laden waste water is discharged by flue-dust retainer 6 and water seal arrangement 11, and after purifying, cleaned air is through reflection separator 7, and the discharge pipe 13 that enters plenum chamber 1 is discharged.
Claims (3)
1. a Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing, the blast pipe (12), the plenum chamber (1) that contain forward spin flow device (2), are connected with forward spin flow device (2) side direction, the bottom of plenum chamber (1) is taper flue-dust retainer (6), on plenum chamber (1), be also provided with the discharge pipe (13) that cleaned air is discharged, it is upper that complete machine is loaded on frame (9), it is characterized in that: it also contains side cyclone (3), high-pressure spray injector (4); Described side cyclone (3) is positioned at a side of forward spin flow device (2), the air outlet of forward spin flow device (2) communicates with side cyclone Gas inlet tube (14), and described high-pressure spray injector (4) communicates with the air outlet of side cyclone (3) by airduct (10); In described plenum chamber (1), be provided with core barrel (8), the top of core barrel (8) communicates with the air outlet of high-pressure spray injector (4), the bottom of core barrel (8) and taper reflection separator (7) are connected, the conical surface of reflection separator (7) is provided with the micropore that a plurality of air feed stream passes through, and the lower row mouthful of reflection separator (7) communicates with flue-dust retainer (6); Described high-pressure spray injector (4) by Gas inlet tube (15), feed pipe (16), trunnion (19), be arranged on flap (17) in trunnion (19) and form, the water side of feed pipe (16) is provided with shower nozzle (18) and is positioned at the middle part of Gas inlet tube (15) corresponding with trunnion (19); The nozzle of described shower nozzle (18) adopts Venturi nozzle.
2. a kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing as claimed in claim 1, is characterized in that: described shower nozzle (18) is comprised of rotatable core body and housing two parts, and housing is threaded onto on core body.
3. a kind of Wet-type high-efficient dust arrester that the dust of different-grain diameter is carried out to classification processing as claimed in claim 1 or 2, it is characterized in that: the lower row mouth of described side cyclone (3) is provided with air-lock device (5), the lower row mouthful of flue-dust retainer (6), be provided with water seal arrangement (11); Described air-lock device (5) is star-like flapper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560499.7A CN103657310B (en) | 2013-11-12 | 2013-11-12 | A kind of dust to different-grain diameter carries out the Wet-type high-efficient dust arrester of classification process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560499.7A CN103657310B (en) | 2013-11-12 | 2013-11-12 | A kind of dust to different-grain diameter carries out the Wet-type high-efficient dust arrester of classification process |
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| Publication Number | Publication Date |
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| CN103657310A true CN103657310A (en) | 2014-03-26 |
| CN103657310B CN103657310B (en) | 2015-07-29 |
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| CN201310560499.7A Active CN103657310B (en) | 2013-11-12 | 2013-11-12 | A kind of dust to different-grain diameter carries out the Wet-type high-efficient dust arrester of classification process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774652A (en) * | 2016-08-31 | 2018-03-09 | 天津市弘亚润滑粉制造有限公司 | A kind of powdered lubricant crushes cleaner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD404327S (en) * | 1998-02-04 | 1999-01-19 | Tai Chany Enterprises Company Limited | Sound module |
| CN2394720Y (en) * | 1999-10-18 | 2000-09-06 | 郭长柱 | Jet flux dust collector |
| CN101539026A (en) * | 2009-04-10 | 2009-09-23 | 煤炭科学研究总院西安研究院 | Multi-stage non-powered orifice dust remover |
| CN201500496U (en) * | 2009-09-10 | 2010-06-09 | 李永吉 | Dust removing device for mining |
| CN201598031U (en) * | 2009-12-29 | 2010-10-06 | 鄂尔多斯市乌兰煤炭集团有限责任公司 | Coal mine conveying belt transferring point dust removing device |
-
2013
- 2013-11-12 CN CN201310560499.7A patent/CN103657310B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD404327S (en) * | 1998-02-04 | 1999-01-19 | Tai Chany Enterprises Company Limited | Sound module |
| CN2394720Y (en) * | 1999-10-18 | 2000-09-06 | 郭长柱 | Jet flux dust collector |
| CN101539026A (en) * | 2009-04-10 | 2009-09-23 | 煤炭科学研究总院西安研究院 | Multi-stage non-powered orifice dust remover |
| CN201500496U (en) * | 2009-09-10 | 2010-06-09 | 李永吉 | Dust removing device for mining |
| CN201598031U (en) * | 2009-12-29 | 2010-10-06 | 鄂尔多斯市乌兰煤炭集团有限责任公司 | Coal mine conveying belt transferring point dust removing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774652A (en) * | 2016-08-31 | 2018-03-09 | 天津市弘亚润滑粉制造有限公司 | A kind of powdered lubricant crushes cleaner |
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| CN103657310B (en) | 2015-07-29 |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |