CN105032085A - Wet type dust remover - Google Patents
Wet type dust remover Download PDFInfo
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- CN105032085A CN105032085A CN201510479222.0A CN201510479222A CN105032085A CN 105032085 A CN105032085 A CN 105032085A CN 201510479222 A CN201510479222 A CN 201510479222A CN 105032085 A CN105032085 A CN 105032085A
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- dust
- centrifugal blower
- dirt pocket
- vapour
- screen pack
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Abstract
The invention discloses a wet type dust remover. The dust remover comprises a dust removal chamber, a dehydration section and a settling pond. A sprayer and a gas-liquid filter screen are arranged in the dust removal chamber. The gas-liquid filter screen is disposed under the sprayer. A water accumulating area is arranged at the bottom of the dust removal chamber. The dust removal chamber is connected with the dehydration section through a second centrifugal fan. The connection portion of the dust removal chamber and the dehydration section is located below the gas-liquid filter screen. The bottom of the dehydration section is connected to the water accumulating area of the dust removal chamber through a pipeline. The water accumulating area is connected with the settling pond through a sewer. The dehydration section is further connected with a chimney. A first centrifugal fan is arranged in the chimney. A nozzle is a press type sector-shaped air atomizing nozzle, water pressure is 9.5 L/h, and air pressure is 2.5 L/min. The dust remover is good in dust treatment effect, secondary pollution is not caused, the size is small, and the dust remover occupies little space, and is easy to install, low in installation cost, low in price, easy and convenient to maintain and long in service life.
Description
Technical field
The present invention relates to non-coal mine treating flour dust field, specifically wet scrubber.
Background technology
Non-coal mine stone pit all can produce a large amount of dust in ore extraction, fragmentation, transportation, and dust is very serious to surrounding enviroment and the healthy harm of workman, and " anthraco-silicosis " comes from this mostly.China lags far behind developed country at non-coal mine treating flour dust technical elements, and existing dedusting technology equipment investment is too high, power consumption is high, volume is large and dust removing effects and practicality poor, so there is no be used widely.Non-coal mine mainly contains at present at broken, screening dedusting technology on employing atomizing de-dusting basis: mechanical collector, Washing dust remover, filtration dust catcher, electrostatic precipitator and magnetic dust collector etc., most widely used is filtration dust catcher.Filtration dust catcher mainly contains two classes:
cyclone filter effect is adopted to make dust-contained airflow enter deduster under the guiding of draught fan matching, first under the water smoke effect of dust removal by filtration section, make dust granules wherein moistening, stopped to get off at the dust through screen pack larger particles, moistening dust-contained airflow then enters eddy flow dewatering period, makes dust and air separation under High Rotation Speed centrifugal action, and the mud that dust and water are formed flows into foul water tank and discharges, cleaned air after purification is discharged, i.e. wet scrubber.
the filter bag utilizing fibrous braid to make as filter medium, i.e. sack cleaner.
Summary of the invention
The object of the present invention is to provide effective, non-secondary pollution, volume are little, do not take up space, easily installation cost the is low wet scrubber of process dust, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: wet scrubber, comprise dirt pocket, dewatering period and sedimentation basin, be provided with shower nozzle and vapour-liquid screen pack in dirt pocket, and vapour-liquid screen pack is arranged on immediately below shower nozzle; The bottom of dirt pocket is pools zone, dirt pocket connects dewatering period by the second centrifugal blower, the junction of dirt pocket and dewatering period is positioned at the below of vapour-liquid screen pack, the bottom of dewatering period connects the pools zone of dirt pocket by pipeline, pools zone connects sedimentation basin by lower aquaporin, dewatering period also connects chimney, is provided with the first centrifugal blower in chimney; Dust-contained airflow enters deduster under the guiding of blower fan, first under the effect of the high-pressure fog of shower nozzle, dirt aqueous mixtures is formed, through vapour-liquid screen pack, part dirt aqueous mixtures is blocked and flows to the pools zone bottom dirt pocket, a part of dirt aqueous mixtures enters dewatering period by the second centrifugal blower in addition, be blocked under the centrifugal action of the second centrifugal blower and flow to pools zone, the cleaned air after purification flows through the first centrifugal blower, chimney drains in air; The dust of pools zone and water enter sedimentation basin by lower aquaporin.
As the further scheme of the present invention: vapour-liquid screen pack adopts 304 stainless steels.
As the further scheme of the present invention: the first centrifugal blower, the second centrifugal blower all adopt 4-72 type centrifugal blower.
As the further scheme of the present invention: nozzle adopts the fan-shaped air atomizer spray nozzle of pressure type, and hydraulic pressure is 9.5 ls/h, and air pressure is 2.5 liters/min.
Compared with prior art, the invention has the beneficial effects as follows: process dust of the present invention effective, non-secondary pollution, volume is little, do not take up space, easy installation, and installation spent cost is low, low price, be conventional cleaners three/to 1/10th not etc., and the power consumption required for running is not 1/1 to 10/6th of conventional cleaners not etc., safeguard simple and convenient in actual moving process, within one week, safeguard once, and traditional dust catcher needs clear up once for one day, long service life, general use does not have any problem in 5 years, and traditional dust catcher declines 30% with the effect of post processing dust in 3 months.Within 1 year, decline 50% later.Disposable input, do not need again to drop into, and traditional dust catcher month needs changes a consumptive material, and cost increases.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: aquaporin, 5-dewatering period, 6-first centrifugal blower, 7-chimney, 8-second centrifugal blower, 9-vapour-liquid screen pack under 1-dirt pocket, 2-pools zone, 3-sedimentation basin, 4-.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Refer to Fig. 1, in the embodiment of the present invention, wet scrubber is made up of dirt pocket 1, de-watering section 2 and blower fan etc.Dust-contained airflow enters deduster under the guiding of blower fan, first under the effect of water smoke, dirt aqueous mixtures is formed, when through vapour-liquid screen pack 9, part dirt aqueous mixtures is blocked and flows to the pools zone 2 bottom dirt pocket 1, a part of dirt aqueous mixtures enters dewatering period 5 by the second centrifugal blower 8 in addition, be blocked under the influence of centrifugal force and flow to pools zone 2, the cleaned air after purification drains in air after flowing through the first centrifugal blower 6.The dust of pools zone 2 and water enter sedimentation basin 3 by lower aquaporin-4.
Wet scrubber, comprises dirt pocket 1, dewatering period 5 and sedimentation basin 3, be provided with shower nozzle and vapour-liquid screen pack 9, and vapour-liquid screen pack 9 is arranged on immediately below shower nozzle in dirt pocket 1.The bottom of dirt pocket 1 is pools zone 2, dirt pocket 1 connects dewatering period 5 by the second centrifugal blower 8, and the bottom of dewatering period 5 connects the pools zone 2 of dirt pocket 1 by pipeline, pools zone 2 connects sedimentation basin 3 by lower aquaporin-4, dewatering period 5 also connects chimney 7, is provided with the first centrifugal blower 6 in chimney 7.
Feature: process the effective of dust, non-secondary pollution, volume is little, do not take up space, easy installation, and installation spent cost is low, low price, be conventional cleaners three/to 1/10th not etc., and the power consumption required for running is not 1/1 to 10/6th of conventional cleaners not etc., safeguard simple and convenient in actual moving process, within one week, safeguard once, and traditional dust catcher needs clear up once for one day, long service life, general use does not have any problem in 5 years, and traditional dust catcher declines 30% with the effect of post processing dust in 3 months.Within 1 year, decline 50% later.Disposable input, do not need again to drop into, and traditional dust catcher month needs changes a consumptive material, and cost increases.
Novelty of the present invention: adopt wet filter dust collecting technique device and water under high pressure droplet to carry out the comprehensive regulation to non-coal mine dust.Advanced: High Pressure Spray for Dust Suppression is the process of water smoke grain and grit sedimentation because of condensation, and the condensation efficiency of water smoke grain and grit determines atomizing de-dusting effect.Therefore, improving water pressure is improve water mist body charge value, namely improves the important channel of water smoke charge-mass ratio, thus also improves spraying to respirable dust arresting efficiency.Deduster filtration is adopted to make dust-contained airflow enter deduster under the guiding of draught fan matching, first under the water smoke effect of dust removal by filtration section, make dust granules wherein moistening, stopped to get off at the dust through screen pack larger particles, moistening dust-contained airflow then enters eddy flow dewatering period, under High Rotation Speed centrifugal action, make dust and air separation, realize dust collection and filtration.
Difficult point of the present invention is mainly:
high-pressure fog pressure and atomizing particle diameter relation
High Pressure Spray for Dust Suppression is the process of water smoke grain and grit sedimentation because of condensation, and the condensation efficiency of water smoke grain and grit determines atomizing de-dusting effect.Therefore, improving water pressure is improve water mist body charge value, thus also improves spraying to respirable dust arresting efficiency.Determine suitable atomisation pressure and select suitable nozzle to be the key factor reaching higher dust-laying effect.Mainly through the droplet state of laboratory test different spray nozzles under each atomisation pressure, finally determine suitable nozzle and atomisation pressure.
deduster development and parameter designing
Deduster two key factors are filter efficiency and dewatering efficiency, ensure that deduster has good dewatering efficiency while reaching dust filtration efficiency requirement.By under the water smoke effect of dust removal by filtration section, make dust granules wherein moistening, stopped to get off at the dust through screen pack larger particles, moistening dust-contained airflow then enters eddy flow dewatering period, under High Rotation Speed centrifugal action, make dust and air separation, realize dust collection and filtration.
By the lab analysis to dust characteristic and granularity of dust distribution situation, determine dust wettability and size distribution situation, employing development, test nozzle type and raising atomisation pressure realize the control to spray water droplet footpath, realize flutterring collection to dust maximal efficiency, improve the dustfall efficiency of respirable dust further.By realizing the purified treatment to collecting dust to the efficiency of dust collection of wet filter dust collecting technique device and the research of dewatering efficiency, realize utilizing the secondary of sewage and mud, dust filtration efficiency reaches 99% simultaneously.After non-coal mine Comprehensive Dust Control, total dust concentration is reduced to 8mg/m
3below, respirable dust is reduced to 4mg/m
3below, Occupational Hazard Factors contact restriction requirement is reached.Project Technical Fruits popularize to other non-coal mines can greatly reduce workman's pneumoconiosis incidence, and effectively emissions reduction, to the Dust Capacity in air, for major contribution has been made in environmental protection, can improve enterprises production efficiency, increase economic benefit.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. wet scrubber, comprises dirt pocket (1), dewatering period (5) and sedimentation basin (3), it is characterized in that, be provided with shower nozzle and vapour-liquid screen pack (9), and vapour-liquid screen pack (9) is arranged on immediately below shower nozzle in dirt pocket (1); The bottom of dirt pocket (1) is pools zone (2), dirt pocket (1) connects dewatering period (5) by the second centrifugal blower (8), dirt pocket (1) is positioned at the below of vapour-liquid screen pack (9) with the junction of dewatering period (5), the bottom of dewatering period (5) connects the pools zone (2) of dirt pocket (1) by pipeline, pools zone (2) connects sedimentation basin (3) by lower aquaporin (4), dewatering period (5) also connects chimney (7), is provided with the first centrifugal blower (6) in chimney (7); Dust-contained airflow enters deduster under the guiding of blower fan, first under the effect of the high-pressure fog of shower nozzle, dirt aqueous mixtures is formed, when vapour-liquid screen pack (9), part dirt aqueous mixtures is blocked and flows to the pools zone (2) of dirt pocket (1) bottom, a part of dirt aqueous mixtures enters dewatering period (5) by the second centrifugal blower (8) in addition, be blocked under the centrifugal action of the second centrifugal blower (8) and flow to pools zone (2), the cleaned air after purification flows through the first centrifugal blower (6), chimney (7) drains in air; The dust of pools zone (2) and water enter sedimentation basin (3) by lower aquaporin (4).
2. wet scrubber according to claim 1, is characterized in that, vapour-liquid screen pack (9) adopts 304 stainless steels.
3. wet scrubber according to claim 1, is characterized in that, the first centrifugal blower (6), the second centrifugal blower (8) all adopt 4-72 type centrifugal blower.
4. wet scrubber according to claim 1, is characterized in that, nozzle adopts the fan-shaped air atomizer spray nozzle of pressure type, and hydraulic pressure is 9.5 ls/h, and air pressure is 2.5 liters/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479222.0A CN105032085A (en) | 2015-08-03 | 2015-08-03 | Wet type dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510479222.0A CN105032085A (en) | 2015-08-03 | 2015-08-03 | Wet type dust remover |
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| Publication Number | Publication Date |
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| CN105032085A true CN105032085A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510479222.0A Pending CN105032085A (en) | 2015-08-03 | 2015-08-03 | Wet type dust remover |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469541A (en) * | 2017-09-28 | 2017-12-15 | 安顺承诚科技有限公司 | Stone pit efficient nano water dust scrubber |
| CN107780961A (en) * | 2017-10-06 | 2018-03-09 | 中国水利水电科学研究院 | A kind of wet type colliery dust arrester and its application process |
| CN109107303A (en) * | 2018-09-29 | 2019-01-01 | 徐州工业职业技术学院 | A kind of packaged type welding post cleaning plant |
-
2015
- 2015-08-03 CN CN201510479222.0A patent/CN105032085A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469541A (en) * | 2017-09-28 | 2017-12-15 | 安顺承诚科技有限公司 | Stone pit efficient nano water dust scrubber |
| CN107780961A (en) * | 2017-10-06 | 2018-03-09 | 中国水利水电科学研究院 | A kind of wet type colliery dust arrester and its application process |
| CN109107303A (en) * | 2018-09-29 | 2019-01-01 | 徐州工业职业技术学院 | A kind of packaged type welding post cleaning plant |
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Application publication date: 20151111 |