CN203448182U - Electric dust remover - Google Patents

Electric dust remover Download PDF

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Publication number
CN203448182U
CN203448182U CN201320455754.7U CN201320455754U CN203448182U CN 203448182 U CN203448182 U CN 203448182U CN 201320455754 U CN201320455754 U CN 201320455754U CN 203448182 U CN203448182 U CN 203448182U
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China
Prior art keywords
exhaust gases
gases passes
dust
odd
electrode
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CN201320455754.7U
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Chinese (zh)
Inventor
李军
张会君
王飞
别攀
明平洋
李宁
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WUHAN LONGKING ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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WUHAN LONGKING ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

The utility model discloses an electric dust remover. The electric dust remover comprises a shell (6) internally provided with a dust removal cavity (3), wherein the dust removal cavity (3) is internally provided with multiple layers of grounded dust collection poles (2), the dust removal cavity (3) is divided into multiple smoke channels (10) which are distributed in parallel by virtue of the dust collection poles (2), an electrode is arranged inside each smoke channel (10), the electrodes in the two adjacent smoke channels (10) are respectively a positive electrode (11) electrically connected with a positive power supply (4) and a negative electrode (12) electrically connected with a negative power supply (5), wind blocking plates (9) used for blocking the end parts of the smoke channels (10) are respectively arranged at the two ends of multiple smoke channels (10) arranged in parallel at intervals, and the wind blocking plates (9) at the two ends of multiple smoke channels (10) are arranged in a staggered manner. The electric dust remover is low in cost, long in service life and easy to maintain, has the high temperature resistance and overcomes the defects that the dust removal performance of an existing electric dust remover is greatly influenced by physical properties and chemical properties of dust in the prior art, the dust is difficult to remove from an electric field and the recombination efficiency of the dust is relatively low.

Description

Electric cleaner
Technical field
The utility model relates to a kind of cleaner, a kind of electric cleaner specifically, comprise that inside is provided with the housing of dedusting cavity, one side of housing communicates with inlet duct, opposite side communicates with exhaust apparatus, is provided with the dust collector pole of multilayer ground connection in described dedusting cavity, and described dedusting cavity is divided into a plurality of exhaust gases passes that are arranged in parallel by dust collector pole, described exhaust gases passes one end is corresponding with inlet duct, and the other end is corresponding with exhaust apparatus
Background technology
At present, the main cleaner of the flue gas that contains dust being administered is electric cleaner, sack cleaner, electric bag compound type dust remover.
Electric cleaner is, in the dedusting cavity of housing, high-tension electricity place is set, and this high-tension electricity place is divided into some exhaust gases passes that are arranged in parallel by dust collector pole, and the centre of each exhaust gases passes is provided with the corona discharge electrode being electrically connected to high voltage source.The flue gas that contains dust is by the process of electric field region, and dust can be by charged, Charged under the effect of electric field force to dust collector pole drive into, finally become trapped on pole plate.In the prior art, the dust collector pole of ground connection is also referred to as positive plate, and corona discharge electrode is also referred to as minus plate.Corona discharge electrode in dedusting cavity or be the positive electrode being electrically connected to positive supply, or be the negative supply being electrically connected to negative supply.
Although it is high that existing electric cleaner has efficiency, running resistance is low, simple operation and other advantages.But in the prior art, all dust in dedusting cavity are all lotus positive electricity or all bear electricity in high-tension electricity place, this just make the fine particle that diameter is very little (as PM2.5) to dust collector pole, become into process in, can in dedusting cavity, there is not coalescence, because electric cleaner is not good to the treatment effect in fine particle, thus the problem that makes existing electric cleaner exist a large amount of subparticles to escape.Meanwhile, the dust removal performance of existing electric cleaner is subject to dust physics and chemistry properties influence larger, especially undesirable for effects such as high resistivity dust, fine solid particle and high viscosity dust.
It is high that sack cleaner has efficiency of dust collection, and dust removing effects is not subject to the advantage of dust properties influence.But sack cleaner running resistance is large, requirement is large with the air-introduced machine power that sack cleaner matches, thereby makes sack cleaner operating cost higher; Meanwhile, the life-span of the filter bag on sack cleaner is limited, changes the required expense of filter bag high; Finally, sack cleaner is poor to high-temperature flue gas tolerance, stricter to the requirement of the moisture in flue gas and oiliness content.
Electricity sack cleaner generally adopts in China at present, but finds in practice, once dust leaves after electric field, the recombination velocity of dust can be very fast, and dust does not just produce the active factor of electrostatic effect in filter bag district.
Summary of the invention
The purpose of this utility model is to provide a kind of electric cleaner, its cost is low, long service life, easy to maintenance, there is good high temperature tolerance, customer service the dust removal performance of existing electric cleaner be subject to dust physical characteristic and chemical characteristic to affect larger shortcoming, not only dust is difficult for departing from electric field, and the combined efficiency of dust is slower.
To achieve these goals, the technical solution of the utility model is: electric cleaner, comprise that inside is provided with the housing of dedusting cavity, one side of housing communicates with inlet duct, opposite side communicates with exhaust apparatus, in described dedusting cavity, be provided with the dust collector pole of multilayer ground connection, described dedusting cavity is divided into a plurality of exhaust gases passes that are arranged in parallel by dust collector pole, described exhaust gases passes one end is corresponding with inlet duct, the other end is corresponding with exhaust apparatus, it is characterized in that: in described each exhaust gases passes, be provided with electrode, electrode in adjacent two exhaust gases passes is respectively the positive electrode being electrically connected to positive supply and the negative electrode being electrically connected to negative supply, the two ends of described a plurality of exhaust gases passes that are arranged in parallel respectively interval are furnished with the deep bead that exhaust gases passes end is blocked, the deep bead at described a plurality of exhaust gases passes two ends that are arranged in parallel is interlaced arrangement.
In technique scheme, the very public corresponding utmost point of ionization of positive electrode and negative electrode that gathers dust, positive electrode and negative electrode are respectively and between dust collector pole, form a forceful electric power electric field.
The utility model cost is low, long service life, easy to maintenance, there is good high temperature tolerance, the dust removal performance that has overcome existing electric cleaner is subject to dust physical characteristic and chemical characteristic to affect larger shortcoming, not only dust is difficult for departing from electric field, and the combined efficiency of dust is slower.
Further, described exhaust gases passes is comprised of the odd number exhaust gases passes of alternately arranging and even number exhaust gases passes, and the air inlet of described odd number exhaust gases passes is connected with deep bead, and the gas outlet of described even number exhaust gases passes is connected with deep bead; In described each odd number exhaust gases passes, be provided with positive electrode, in described each even number exhaust gases passes, be provided with negative electrode.
Further, described exhaust gases passes is comprised of the odd number exhaust gases passes of alternately arranging and even number exhaust gases passes; The air inlet of described odd number exhaust gases passes is connected with deep bead, and the gas outlet of described even number exhaust gases passes is connected with deep bead; In described each odd number exhaust gases passes, be provided with negative electrode, in described each even number exhaust gases passes, be provided with positive electrode.
Further, described exhaust gases passes is comprised of the odd number exhaust gases passes of alternately arranging and even number exhaust gases passes, and the gas outlet of described odd number exhaust gases passes is connected with deep bead, and the air inlet of described even number exhaust gases passes is connected with deep bead; In described each odd number exhaust gases passes, be provided with negative electrode, in described each even number exhaust gases passes, be provided with positive electrode.
Further, described exhaust gases passes is comprised of the odd number exhaust gases passes of alternately arranging and even number exhaust gases passes, and the gas outlet of described odd number exhaust gases passes is connected with deep bead, and the air inlet of described even number exhaust gases passes is connected with deep bead; In described each odd number exhaust gases passes, be provided with negative electrode, in described each even number exhaust gases passes, be provided with positive electrode.
Technique scheme is four kinds of embodiment of the present utility model, and gas enters from the air inlet of the exhaust gases passes of deduster, from the gas outlet of exhaust gases passes out.
Further, described positive electrode, negative electrode and dust collector pole are and are arranged in parallel.In technique scheme, after positive electrode, negative electrode and dust collector pole are and are arranged in parallel, the efficiency of dust collection of electric cleaner described in the utility model can be higher.
Further, described in, gather dust very with porous plate or the spaced apart lath in hole.The percent opening of described porous plate is 30%~40%.The spacing of described lath is 40mm~150mm.
In technique scheme, when gathering dust very with the porous plate in hole or spaced apart lath, the range of movement of flue gas in dedusting mechanism will be larger, will have more different attribute Charged and bump, thereby make efficiency of dust collection of the present utility model higher.
Further, described positive electrode and negative electrode are respectively plate type electrode, and the electrode surface being arranged in each exhaust gases passes has the passage passing for air-flow.The above-mentioned passage passing for air-flow can make the flue gas of more crossing enter adjacent exhaust gases passes from one of them exhaust gases passes, thereby makes Charged have more chance to be combined into bulky grain, and then improves the efficiency of dust collection of electric cleaner.
Operation principle of the present utility model is: when the flue gas with dust enters after the exhaust gases passes in housing by flue gas inlet duct, flue gas will the positive and negative electrode region of discharge in housing in, under the effect of region of discharge high voltage electric field, flue gas is ionized.After dust in flue gas is charged, different by the charged polarity of institute separately under the effect of electric field force, to contrary electrode, move and be gathered on electrode.Simultaneously, because being connected with, the two ends of exhaust gases passes intersect the deep bead that dislocation arranges, when flue gas is in one of them exhaust gases passes moves to adjacent exhaust gases passes, dust with different attribute electric charge can bump, and then condense into bulky grain, this just makes dust not only be difficult for departing from electric field, even and if after a small amount of dust disengaging electric field, the combined efficiency of dust also can be slower.
To sum up, compared with prior art, it has following beneficial effect to the utility model:
1, the utility model has adopted bipolarity discharging structure, and at the two ends of exhaust gases passes, be connected with and intersect the deep bead that dislocation arranges, flue gas is when entering into adjacent exhaust gases passes by one of them exhaust gases passes, lotus is the dust collision mutually of like charges not, condense into bulky grain, and then fall in ash bucket, to facilitate the utility model to carry out dedusting.Its cost is low, long service life, easy to maintenance, there is good high temperature tolerance, customer service the dust removal performance of existing electric cleaner be subject to dust physical characteristic and chemical characteristic to affect larger shortcoming.
2, the utility model is combined into a procedure by the coalescence gathering dust with minuteness particle dust, in the process of gathering dust, make dust produce coalescence, in the process of coalescence, gather dust simultaneously, not only increased substantially dust-collecting efficiency, and operation is more simple, has further reduced production cost.
3, the utility model has changed traditional single electrode (negative electrode) power supply, founded the precedent of bipolar electrode power supply, and for the charged difficulty of PM2.5, the difficult concrete condition trapping, utilize dexterously bipolar charge, mixing, trap again, the step such as mixing again, make fine dust coalescence become larger particles, significantly reduce the discharge of PM2.5.
4. the utility model is applicable to the fields such as station boiler dedusting, cement plant kiln head and tail dedusting, metallurgy, chemical industry dedusting.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is the axonometric drawing of the utility model while not comprising the auxiliary equipment such as inlet duct, exhaust apparatus and ash bucket.
Fig. 3 is the top view of the housing in the utility model, and wherein, arrow represents that flue gas is after entering housing, the movement locus of flue gas and the direction of motion thereof.
Fig. 4 is the structural representation of lath of the present utility model.
Fig. 5 is the structural representation of porous plate of the present utility model.
Fig. 6 is the front view of Fig. 2.
1-inlet duct in figure, 2-dust collector pole, 2.1-porous plate, 2.2-lath, cavity in 3-housing, 4-positive supply, 5-negative supply, 6-housing, 7-exhaust apparatus, 8-ash bucket, 9-deep bead, 10-exhaust gases passes, 11-positive electrode, 12-negative electrode, 13-odd number exhaust gases passes, the air inlet of 13.1--odd number exhaust gases passes, the gas outlet of 13.2-odd number exhaust gases passes, 14-even number exhaust gases passes, the air inlet of 14.1-even number exhaust gases passes, the gas outlet of 14.2-even number exhaust gases passes.
The specific embodiment
Below in conjunction with accompanying drawing, describe performance of the present utility model in detail, but they do not form to restriction of the present utility model, only for example.Meanwhile, by explanation, make advantage of the present utility model, make the utility model become more clear and easily understand.
In order to narrate conveniently, the utility model first be take the embodiment shown in Fig. 1 to Fig. 6 and is described the utility model in detail as example:
Known with reference to accompanying drawing: electric cleaner, comprise that inside is provided with the housing 6 of dedusting cavity 3, one side of housing 6 communicates with inlet duct 1, opposite side communicates with exhaust apparatus 7, in described dedusting cavity 3, be provided with the dust collector pole 2 of multilayer ground connection, described dedusting cavity 3 is divided into a plurality of exhaust gases passes that are arranged in parallel 10 by dust collector pole 2, described exhaust gases passes 10 one end are corresponding with inlet duct 1, the other end is corresponding with exhaust apparatus 7, it is characterized in that: in described each exhaust gases passes 10, be provided with electrode, electrode in adjacent two exhaust gases passes 10 is respectively the positive electrode 11 being electrically connected to positive supply 4 and the negative electrode 12 being electrically connected to negative supply 5, the two ends of described a plurality of exhaust gases passes that are arranged in parallel 10 respectively interval are furnished with the deep bead 9 that exhaust gases passes 10 ends are blocked, the deep bead 9 at described a plurality of exhaust gases passes that are arranged in parallel 10 two ends is interlaced arrangement.
Electric cleaner described in the utility model also comprises the inlet duct 1 of energy inspiration flue gas, can discharge the exhaust apparatus 7 of clean air.The lower end of housing 6 is also provided with for receiving the ash bucket 8 of dust.In the high voltage electric field of housing 6, dispose two cover insulation and rapping apparatus.Wherein, dust collector pole 2 is also referred to as positive plate in the prior art, and positive electrode 11 and negative electrode 12 are equivalent to minus plate described in the prior art.
As described in Figure 3, described exhaust gases passes 10 is comprised of the odd number exhaust gases passes 13 of alternately arranging and even number exhaust gases passes 14, the gas outlet 13.2 of described odd number exhaust gases passes 13 is connected with deep bead 9, and the air inlet 14.1 of described even number exhaust gases passes 14 is connected with deep bead 9; In described each odd number exhaust gases passes 10, be provided with positive electrode 11, in described each even number exhaust gases passes 14, be provided with negative electrode 12.Arrow in Fig. 3 represents that flue gas is after entering housing, the movement locus of flue gas and the direction of motion thereof.
In practical work process, the utility model can also adopt following structure:
A. described exhaust gases passes 10 is comprised of the odd number exhaust gases passes 13 of alternately arranging and even number exhaust gases passes 14, and the air inlet 13.1 of described odd number exhaust gases passes 13 is connected with deep bead 9, and the gas outlet 14.1 of described even number exhaust gases passes 14 is connected with deep bead 9; In described each odd number exhaust gases passes 10, be provided with positive electrode 11, in described each even number exhaust gases passes 14, be provided with negative electrode 12.
B. described exhaust gases passes 10 is comprised of the odd number exhaust gases passes 13 of alternately arranging and even number exhaust gases passes 14; The air inlet 13.1 of described odd number exhaust gases passes 13 is connected with deep bead 9, and the gas outlet 14.2 of described even number exhaust gases passes 14 is connected with deep bead 9; In described each odd number exhaust gases passes 10, be provided with negative electrode 12, in described each even number exhaust gases passes 14, be provided with positive electrode 11.
C. described exhaust gases passes 10 is comprised of the odd number exhaust gases passes 13 of alternately arranging and even number exhaust gases passes 14, and the gas outlet 13.2 of described odd number exhaust gases passes 13 is connected with deep bead 9, and the air inlet 14.1 of described even number exhaust gases passes 14 is connected with deep bead 9; In described each odd number exhaust gases passes 10, be provided with negative electrode 12, in described each even number exhaust gases passes 14, be provided with positive electrode 11.
Described positive electrode 11, negative electrode 12 and dust collector pole 2 are and are arranged in parallel.Described dust collector pole 2 is with porose porous plate 2.1 or spaced apart lath 2.2.The percent opening of described porous plate 2.1 is 30% ~ 40%.The spacing of described lath 2.2 is 40mm~150mm.Described positive electrode 11 and negative electrode 12 are respectively plate type electrode, and the electrode surface being arranged in each exhaust gases passes 10 has the passage passing for air-flow.
When the one end at exhaust gases passes 10 arranges after deep bead 9, by having more flue gas, from one of them exhaust gases passes, enter in adjacent exhaust gases passes, thereby make exhaust gases passes 10 internal loadings not the dust of like charges be more easily combined into bulky grain, so that dust collector pole 2 catches, and then makes the operating efficiency of electric cleaner higher.
Operation principle of the present utility model is: when the flue gas with dust enters after the exhaust gases passes in housing by inlet duct 1, in the positive and negative electrode region of discharge of flue gas in housing, under the effect of region of discharge high voltage electric field, flue gas is ionized.After dust in flue gas is charged, different by the charged polarity of institute separately under the effect of electric field force, to contrary electrode, move and be gathered on electrode.Simultaneously; because being connected with, the two ends of exhaust gases passes 10 intersect the deep bead 9 that dislocation arranges; when flue gas is in one of them exhaust gases passes moves to adjacent exhaust gases passes; dust with different attribute electric charge can bump; and then condense into bulky grain; so just make dust not only be difficult for departing from electric field, even and if after a small amount of dust disengaging electric field, the combined efficiency of dust also can be very slow.
In practical work process, positive electrode 11 and negative electrode 12 not only can gather dust equally, and can be combined with Charged and produce coalescence, can effectively reduce the content of PM2.5.Positive electrode 11 and negative electrode 12 are alternately in adjacent exhaust gases passes 10 to be arranged, the dust entering in electric field collides mutually, and cohesion, knot grain, improved dust-collecting efficiency significantly.
Electric cleaner described in the utility model adopts positive and negative bipolar electric discharge, electric field space has filled the air the Charged of opposed polarity, collision mutually in flowing, the rapid coacervating large particle of the plus-minus electric dust of lotus, overcome the problem that in conventional electrostatic deduster, a large amount of subparticles are escaped, the more important thing is that, to after the coacervating large particle of fine dust, conventional electric precipitation also can efficiently trap the fine dust of PM2.5.
The utility model comprises a set of high pressure positive supply 4 and a set of high pressure negative supply 5, and the positive electrode 11 of alternative arrangement and negative electrode 12.Flue gas enters after dedusting air chamber, deep bead 9 changes flue gas flow direction, guiding flue dust is first by negative electrode 12 or positive electrode 11 region of discharges, dust-contained airflow is by after positive negative electric field, and most of dust is removed, and the fine dust not trapped by electric field enters adjacent exhaust gases passes, the grit contrary with charge crosses, the dust of the lotus charges of different polarity rapid coalescence that attracts each other becomes bulky grain, more easily by Coulomb force, is trapped, for lotus charges of different polarity mix dust, coalescence, create conditions.
The utility model is efficient, compact, can significantly reduce the discharge of the minuteness particle of trapping PM2.5, and efficiency is high, and investment cost is few, and easy to maintenance.Being applicable to the newly-built of electric cleaner or transformation, is the novel deduster that Future Development has great potential.
Other unspecified part all belongs to prior art.

Claims (10)

1. electric cleaner, comprise that inside is provided with the housing of dedusting cavity (3) (6), one side of housing (6) communicates with inlet duct (1), opposite side communicates with exhaust apparatus (7), in described dedusting cavity (3), be provided with the dust collector pole (2) of multilayer ground connection, described dedusting cavity (3) is divided into a plurality of exhaust gases passes that are arranged in parallel (10) by dust collector pole (2), described exhaust gases passes (10) one end is corresponding with inlet duct (1), the other end is corresponding with exhaust apparatus (7), it is characterized in that: in described each exhaust gases passes (10), be provided with electrode, electrode in adjacent two exhaust gases passes (10) is respectively the positive electrode (11) being electrically connected to positive supply (4) and the negative electrode (12) being electrically connected to negative supply (5), the two ends of described a plurality of exhaust gases passes that are arranged in parallel (10) respectively interval are furnished with the deep bead (9) that exhaust gases passes (10) end is blocked, the deep bead (9) at described a plurality of exhaust gases passes that are arranged in parallel (10) two ends is interlaced arrangement.
2. electric cleaner according to claim 1, it is characterized in that: described exhaust gases passes (10) is comprised of the odd number exhaust gases passes (13) of alternately arranging and even number exhaust gases passes (14), the air inlet (13.1) of described odd number exhaust gases passes (13) is connected with deep bead (9), and the gas outlet (14.1) of described even number exhaust gases passes (14) is connected with deep bead (9); In described each odd number exhaust gases passes (10), be provided with positive electrode (11), in described each even number exhaust gases passes (14), be provided with negative electrode (12).
3. electric cleaner according to claim 1, is characterized in that: described exhaust gases passes (10) is comprised of the odd number exhaust gases passes (13) of alternately arranging and even number exhaust gases passes (14); The air inlet (13.1) of described odd number exhaust gases passes (13) is connected with deep bead (9), and the gas outlet (14.2) of described even number exhaust gases passes (14) is connected with deep bead (9); In described each odd number exhaust gases passes (10), be provided with negative electrode (12), in described each even number exhaust gases passes (14), be provided with positive electrode (11).
4. electric cleaner according to claim 1, it is characterized in that: described exhaust gases passes (10) is comprised of the odd number exhaust gases passes (13) of alternately arranging and even number exhaust gases passes (14), the gas outlet (13.2) of described odd number exhaust gases passes (13) is connected with deep bead (9), and the air inlet (14.1) of described even number exhaust gases passes (14) is connected with deep bead (9); In described each odd number exhaust gases passes (10), be provided with positive electrode (11), in described each even number exhaust gases passes (14), be provided with negative electrode (12).
5. electric cleaner according to claim 1, it is characterized in that: described exhaust gases passes (10) is comprised of the odd number exhaust gases passes (13) of alternately arranging and even number exhaust gases passes (14), the gas outlet (13.2) of described odd number exhaust gases passes (13) is connected with deep bead (9), and the air inlet (14.1) of described even number exhaust gases passes (14) is connected with deep bead (9); In described each odd number exhaust gases passes (10), be provided with negative electrode (12), in described each even number exhaust gases passes (14), be provided with positive electrode (11).
6. according to the electric cleaner described in any one claim in claim 1 to 5, it is characterized in that: described positive electrode (11), negative electrode (12) and dust collector pole (2) are and are arranged in parallel.
7. according to the electric cleaner described in any one claim in claim 1 to 5, it is characterized in that: described dust collector pole (2) is with porose porous plate (2.1) or spaced apart lath (2.2).
8. electric cleaner according to claim 7, is characterized in that: the percent opening of described porous plate (2.1) is 30%~40%.
9. electric cleaner according to claim 7, is characterized in that: the spacing of described lath (2.2) is 40mm~150mm.
10. according to the electric cleaner described in any one claim in claim 1 to 5, it is characterized in that: described positive electrode (11) and negative electrode (12) are respectively plate type electrode, the electrode surface being arranged in each exhaust gases passes (10) has the passage passing for air-flow.
CN201320455754.7U 2013-07-29 2013-07-29 Electric dust remover Active CN203448182U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103447153A (en) * 2013-07-29 2013-12-18 武汉龙净环保科技有限公司 Electronic dust remover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103447153A (en) * 2013-07-29 2013-12-18 武汉龙净环保科技有限公司 Electronic dust remover

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