CN103240181B - A kind of netted mobile dust collector pole electric cleaner and dust collection method - Google Patents
A kind of netted mobile dust collector pole electric cleaner and dust collection method Download PDFInfo
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- CN103240181B CN103240181B CN201310165888.XA CN201310165888A CN103240181B CN 103240181 B CN103240181 B CN 103240181B CN 201310165888 A CN201310165888 A CN 201310165888A CN 103240181 B CN103240181 B CN 103240181B
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Abstract
The invention discloses a kind of netted mobile dust collector pole electric cleaner and dust collection method, wherein, mobile dust collector pole electric cleaner comprises: air inlet, gas outlet, dust collecting, the first ash bucket, housing, netted dust collector pole and driving mechanism.Air inlet is placed in shell one end, and gas outlet is placed in the housing other end, is provided with the cathode line for generation of the first electric field and positive plate in housing.First ash bucket is placed in below the first electric field.Meanwhile, netted dust collector pole is placed in the first electric field rear and is fixedly connected with driving mechanism, and perpendicular with airflow direction, and can realize blocking airflow face, driving mechanism is fixedly connected with housing or gas outlet, and dust collecting is placed in bottom driving mechanism.Dust collection method provided by the invention has played its High-efficiency dust collection effect, reentrainment of dust when avoiding deashing; Effectively can not only trap the dust of escaping from the first electric field, and to control PM
2.5particle Be very effective, can meet the environmental requirement of increasingly stringent.
Description
Technical field
The invention belongs to dedusting technology field, particularly the netted mobile dust collector pole electric cleaner of one and dust collection method.
Background technology
Electric cleaner has high temperature resistant, high pressure resistant, efficient, energy-saving and environmental protection and the advantage such as operation maintenance is convenient, be widely used in the industrial circles such as electric power, metallurgy, building materials, chemical industry, be main force's cleaner that the whole world is generally acknowledged, China especially electric cleaner uses big country.But also there is following shortcoming in it: produce a large amount of dust secondary fly-ups during dust collecting pole plate vibration dust-cleaning; Dust collecting pole plate deashing is unclean, and dust specific resistance is greater than 10
11easily inverse corona is produced during Ω ㎝; The board-like dust collector pole be arranged in parallel with airflow direction, is difficult to trap PM
2.5fine dust.Along with the raising day by day of environmental requirement, the application of electric cleaner is more and more limited.The dust emission standard of present most developed country brings up to 10mg/Nm
3, the relevant criterion of China is also stricter.As: in new fossil-fuel power plant atmospheric pollutant emission standard, dust emission limit value is lower than 30mg/Nm
3; In iron and steel enterprise's atmosphere pollutants emission standards, dust emission limit value is lower than 50mg/Nm
3; " key area prevention and control of air pollution " 12 " planning " specifies, special emission limit will be carried out in " three ten groups, districts " 19 province (district, city) 47 regions such as Jing-jin-ji region, the Yangtze River Delta, Pearl River Delta and above city; Some local requirements dust emission limit value, close to the standard of the most developed country, makes the dust removing effects of domestic in-service electric cleaner substantially all cannot meet the demands, and in addition, in recent years occur serious haze weather continuously, country is soon by appearance control PM
2.5standard.Therefore, numerous active service electric cleaner is all faced with the challenge of upgrading.
At present, the typical scenario being actually used in electric cleaner renovation and improving has: electricity changes the modes such as bag, electricity+bag, electricity+traveling electrode.Wherein electricity changes bag and electric cleaner changes sack cleaner, bag complex dust collector or the alternate combined dust collector of electric bag after electricity before electricity+bag and electric cleaner change into, these two kinds of modification schemes need all to remove or the original Electric Field in ESP of major part dismounting, then completely newly assemble filter bag, change the equipment such as system fan; Electricity+traveling electrode scheme changes board-like mobile dust collector pole electric field into after being removed completely by former electric cleaner end electric field.These formula investings are large, long construction period, and operating cost is high, and restrict toward contact by the factor such as space, place in transformation process.In addition, partial fume condition is also not suitable for adopting bag-type dusting.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of netted mobile dust collector pole electric cleaner and the dust collection method that can realize high-effective dust-removing, effectively can not only trap the fine dust of escaping from the first electric field, but also to PM in flue gas
2.5particle controls to have remarkable result.
For solving the problems of the technologies described above, embodiments providing a kind of netted mobile dust collector pole electric cleaner, comprising: for the air inlet of air-flow input, the gas outlet exported for air-flow, dust collecting, the first ash bucket and housing; Described air inlet is placed in described shell one end, and described gas outlet is placed in the described housing other end, is provided with the cathode line for generation of the first electric field and positive plate in described housing; Described first ash bucket is placed in below described first electric field, and meanwhile, described first electric field rear is provided with the powder dust adsorbing device for generation of the second electric field.
Further, described powder dust adsorbing device comprises: netted dust collector pole and for driving the driving mechanism of described netted dust collector pole movement; Described netted dust collector pole is fixedly connected with described driving mechanism, described netted dust collector pole and airflow direction perpendicular; Described netted dust collector pole can realize blocking described airflow face; Described driving mechanism is fixedly connected with described housing or described gas outlet; Described dust collecting is placed in bottom described driving mechanism, can realize the dust collecting described netted dust collector pole absorption.
Further, described driving mechanism comprises: the first rotating shaft, the second rotating shaft, the first chain wheel set, the second chain wheel set and chain group; Described first rotating shaft through described first chain wheel set, and is fixedly connected with described first chain wheel set middle sprocket; Described second rotating shaft through described second chain wheel set, and is fixedly connected with described second chain wheel set middle sprocket; Described first chain wheel set, described second chain wheel set can realize synchronous axial system by described chain group; Described netted dust collector pole is fixedly connected with described chain group; Described first rotating shaft is connected with extraneous drive motors through described housing; Described drive motors can realize driving described first axis of rotation by connecting gear, and then drives described first chain wheel set, described chain group, described second chain wheel set to realize synchronous operation successively by described first rotating shaft.
Further, described netted dust collector pole comprises: the square fixed mount that several square steel meshes, several and described square bar mesh-shaped are suitable and several quadras; Described fixed mount is double-decker, and described steel mesh is placed between described fixed mount double-decker, and both being realized by retention mechanism, edge is fastening; Described fixed mount is horizontally arranged in described quadra successively, and is fixedly connected with described quadra; Described quadra is fixedly connected with described chain group by its edge, and each described quadra is equidistantly arranged above and below successively, and between adjacent prismatic framework, lower edges position is connected mutually; The mesh aperture of described steel mesh is 0.25 ~ 4mm.
Further, described first chain wheel set comprises: the first sprocket wheel, the second sprocket wheel; Described second chain wheel set comprises: the 3rd sprocket wheel, the 4th sprocket wheel; Described first rotating shaft successively through described first sprocket wheel, described second sprocket wheel, and is fixedly connected with described first sprocket wheel, described second sprocket wheel respectively; Described second rotating shaft successively through described 3rd sprocket wheel, described 4th sprocket wheel, and is fixedly connected with described 3rd sprocket wheel, described 4th sprocket wheel respectively; Described chain group top respectively with described first sprocket wheel, described second sprocket wheel active link; Bottom described chain group respectively with described 3rd sprocket wheel, described 4th sprocket wheel active link; Described first centre of sprocket axle, described second centre of sprocket axle, described 3rd centre of sprocket axle, described 4th centre of sprocket axle, described first rotating shaft and described second rotating shaft are all in same perpendicular, and described perpendicular and described airflow direction perpendicular.
Further, described chain group comprises: the first chain, the second chain; Described first chain top and described first sprocket wheel active link, with described 3rd sprocket wheel active link bottom described first chain; Described second chain top and described second sprocket wheel active link, with described 4th sprocket wheel active link bottom described second chain; Described fixed mount is fixedly connected with described first chain by one lateral edges position, and its opposite side edge is fixedly connected with described second chain.
Further, described dust collecting comprises: the second ash bucket, rotating ash removal brush, holder and link; Described rotating ash removal brush two ends are fixedly connected with described link respectively by described holder, and described rotating ash removal brush and described holder can realize relatively rotating; Described second rotating shaft two ends are flexibly connected with described link respectively; It is inner that described rotating ash removal brush is placed in the second ash bucket by described link; Described second ash bucket is fixedly connected with described housing bottom, and is positioned at below described second rotating shaft, and can realize collecting adsorption of dust in described netted dust collector pole by described rotating ash removal brush.
Further, described link comprises: the first support, the second support; Described first support is fixedly connected with described second support, and the two is mutually vertical; The axial position of described first support is provided with chute, and described second roller end can realize sliding up and down by described chute; Described rotating ash removal brush two ends are fixedly connected with described second support respectively by described holder.
Further, the front of described steel mesh or rear are furnished with corona wire; Described corona wire is a discharge lines, line discharge lines or face discharge lines.
Further, described powder dust adsorbing device is at least one group; Often organize described powder dust adsorbing device along described airflow direction successively in array distribution, and be provided with described dust collecting bottom described powder dust adsorbing device.
Further, the embodiment of the present invention additionally provides a kind of dust collection method based on described mobile dust collector pole electric cleaner, it is characterized in that, comprising:
Dust enters the first electric field with air-flow, and in the first electric field, dust is charged, realizes first time adsorbing powder dust;
Residue dust for the first time after adsorbing powder dust enters the second electric field with air-flow, is first caught by steel mesh windward side, realizes second time adsorbing powder dust;
Residue dust after second time adsorbing powder dust through steel mesh mesh, realizes third time adsorbing powder dust with air-flow in the process of passing;
Residue dust for the third time after adsorbing powder dust is with air-flow through steel mesh, and the vortex entering the formation of steel mesh lee face realizes the 4th adsorbing powder dust;
Steel mesh is moved to the dust collecting being positioned at non-flow area by driving mechanism, and removed by the dust that steel mesh adsorbs by the rotating ash removal brush be placed in dust collecting, the dust be eliminated directly falls into the second ash bucket.
The netted mobile dust collector pole electric cleaner of the one that the embodiment of the present invention provides and dust collection method, by adopting one or more groups netted dust collector pole of horizontally set after the first electric field, give full play to the effect that steel mesh in netted dust collector pole utilizes the multiple dust removal mechanism trapping such as inertial collision, interception, diffusion effect and Electrostatic Absorption fine dust.Its beneficial effect is as described below:
1., due to air-flow enter the dust normally subparticle entrained by the second electric field, dust is consistent with suffered electric field force direction with the direction of motion of air-flow simultaneously, and therefore dust moves to netted dust collector pole at a high speed, and part dust is caught by the windward side of steel mesh;
2., not by most fine dusts that steel mesh windward side is caught, gone out by steel mesh mesh; Because aperture is 0.25 ~ 4mm, according to Coulomb's law formula F
1,2=kq
1q
2/ R
2known, positive and negative charge q in electric field
1with q
2the less Coulomb force of distance R is larger; And the ultimate range in the present invention between grit and netted dust collector pole is that 2mm(mesh aperture is maximum is set to 4mm), namely with grit in traditional electrical deduster compared with the ultimate range 200mm of dust collecting pole plate, electric field force F
1,2in theory by increase 10000 times! Greatly play the effect of statcoulomb power.Namely, when fine dust is by mesh, can be adsorbed onto online instantaneously;
3., the disturbance of horizontal steel mesh to air-flow make to form vortex near its lee face, and under the synergy of eddy current and Coulomb force, the fine dust major part through steel mesh is trapped by steel mesh lee face;
4., the present invention can determine the group number arranging netted mobile dust collector pole, enhancing dust removing effects according to the first electric field outlet flue dust condition, electric cleaner trailing space size and final emission request;
5., by netted dust collector pole is arranged on driving mechanism, dust collecting is arranged on non-flow area, achieve netted dust collector pole Automatic continuous deashing, remain the net that gathers dust " totally ", thoroughly avoid the inverse corona problem of dust secondary fly-up and high resistivity dust, guarantee the high capture rate to fine dust;
6., the present invention is by " adsorbing powder dust net is divided into block " (adopting some steel meshes, some fixed mounts and some frameworks), be conducive to deduster to maximize, can change separately after certain block steel mesh breakage, installation and maintenance maintenance is convenient, gap between every block steel mesh can be played earial drainage and be fallen drag effect when deashing breaks down, safe and reliable to operation, maintenance cost is low;
8., the present invention in steel mesh front or after can set up corona wire according to the charged situation of dust, realize improving dust catching probability;
9., the present invention when old electric cleaner renovation and improving, can not place be increased newly, not change former electric field structure, there is the advantages such as improvement cost is low, short construction period.
Accompanying drawing explanation
The netted mobile dust collector pole electric cleaner overall structure block diagram that Fig. 1 provides for the embodiment of the present invention one.
The netted mobile dust collector pole electric cleaner overall structure block diagram that Fig. 2 provides for the embodiment of the present invention two.
The theory structure schematic diagram of powder dust adsorbing device in a kind of netted mobile dust collector pole electric cleaner that Fig. 3 provides for the embodiment of the present invention.
Powder dust adsorbing device front view in the netted mobile dust collector pole electric cleaner of one that Fig. 4 provides for the embodiment of the present invention.
The theory structure side view of powder dust adsorbing device in a kind of netted mobile dust collector pole electric cleaner that Fig. 5 provides for the embodiment of the present invention.
The theory structure front view of netted dust collector pole in a kind of netted mobile dust collector pole electric cleaner that Fig. 6 provides for the embodiment of the present invention.
The theory structure side view of netted dust collector pole in a kind of netted mobile dust collector pole electric cleaner that Fig. 7 provides for the embodiment of the present invention.
The dust collection method process chart of a kind of netted mobile dust collector pole electric cleaner that Fig. 8 provides for the embodiment of the present invention.
Wherein, 1-housing, 2-steel mesh, 3-fixed mount, 4-framework, 5-drive motors, 6-rotating ash removal brush, 7-corona wire, 8-chute, 9-screw threads for fastening mechanism, 10-baffle plate, S0-first electric field, S01-first area electric field, S02-second area electric field, S03-the 3rd region electric field, 101-air inlet, 102-gas outlet, 201-first ash bucket, 202-second ash bucket, 301-first rotating shaft, 302-second rotating shaft, 401-first sprocket wheel, 402-second sprocket wheel, 403-the 3rd sprocket wheel, 404-the 4th sprocket wheel, 501-first chain, 502-second chain, 601-first support, 602-second support.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention provided by the invention is described in further detail.
Embodiment one
See Fig. 1,3-7, the netted mobile dust collector pole electric cleaner of the one that the embodiment of the present invention provides, comprising: for the air inlet 101 of air-flow input, the gas outlet 102 exported for air-flow, dust collecting, the first ash bucket 201 and housing 1.Wherein, air inlet 101 is placed in housing 1 one end, and gas outlet 102 is placed in housing 1 other end, is provided with the cathode line for generation of the first electric field S0 and positive plate (cathode line adds negative high voltage electricity, positive plate ground connection) in housing 1.First ash bucket 201 is placed in below the first electric field S0.Meanwhile, the first electric field S0 rear (housing 1 is in one end, gas outlet 102) is also provided with the powder dust adsorbing device for generation of the second electric field.
In the present embodiment one, powder dust adsorbing device comprises: for the netted dust collector pole of adsorption of dust and for driving the driving mechanism of netted dust collector pole movement.Wherein, netted dust collector pole is fixedly connected with driving mechanism, and is horizontally placed on housing 1 afterbody along housing 1 width, perpendicular with airflow direction (level from left to right), and netted dust collector pole can realize the circulating face blocking air-flow.Meanwhile, netted dust collector pole ground connection.Driving mechanism is fixedly connected with housing 1.Dust collecting is placed in bottom driving mechanism, can realize collecting adsorption of dust in netted dust collector pole in the course of work.
In the present embodiment one, netted dust collector pole comprises: the square fixed mount 3 that several square steel meshes 2, several and square steel mesh 2 shape are suitable and several quadras 4.Wherein, fixed mount 3 is in double-decker, and steel mesh 2 is placed between fixed mount 3 double-decker, and both being realized by screw threads for fastening mechanism 9, edge is fastening.Meanwhile, fixed mount 3 is horizontally arranged in quadra 4 successively, and is fixedly connected with it.Quadra 4 is fixedly connected with chain group by its edge, and each quadra 4 is equidistantly arranged above and below successively, and between adjacent prismatic framework 4, lower edges position is connected mutually.
Preferably, screw threads for fastening mechanism 9 is that bolt connects or screw connects.
Preferably, the mesh aperture of steel mesh 2 is 0.25 ~ 4mm.
In the present embodiment one, the first chain wheel set comprises: the first sprocket wheel 401, second sprocket wheel 402.Second chain wheel set comprises: the 3rd sprocket wheel 403, the 4th sprocket wheel 404.Wherein, the first rotating shaft 301 successively through the first sprocket wheel 401, second sprocket wheel 402, and is fixedly connected with it respectively.Second rotating shaft 302 successively through the 3rd sprocket wheel 403, the 4th sprocket wheel 404, and is fixedly connected with it respectively.Meanwhile, chain group top respectively with the first sprocket wheel 401, second sprocket wheel 402 active link.Bottom chain group respectively with the 3rd sprocket wheel 403, the 4th sprocket wheel 404 active link.
In the present embodiment one, central shaft and the rotating shaft 301-302 of sprocket wheel 401-404 are all in same perpendicular, and this perpendicular and airflow direction perpendicular.
In the present embodiment one, chain group comprises: the first chain 501, second chain 502.Wherein, the first chain 501 top and the first sprocket wheel 401 outer gear active link, with the 3rd sprocket wheel 403 outer gear active link bottom it.Second chain 502 top and the second sprocket wheel 402 outer gear active link, with the 4th sprocket wheel 404 outer gear active link bottom it.Meanwhile, quadra 4 is fixedly connected with the first chain 501 by one lateral edges position, and its opposite side edge is fixedly connected with (fixed mount 3 is mutually vertical with chain 501-502) with the second chain 502.
In the present embodiment one, dust collecting comprises: the second ash bucket 202, rotating ash removal brush 6, holder and link.Wherein, rotating ash removal brush 6 two ends are fixedly connected with link respectively by described holder, and described rotating ash removal brush 6 and described holder can realize relatively rotating.Second rotating shaft 302 two ends are flexibly connected with link respectively.It is inner that rotating ash removal brush 6 is placed in the second ash bucket 202 by link.Second ash bucket 202 is fixedly connected with described housing bottom, and is positioned at below described second rotating shaft 302, and can be realized by rotating ash removal brush 6 collecting the dust adsorbed in netted dust collector pole.
In the present embodiment one, link comprises: the first support 601, second support 602.First support 601 one end is fixedly connected with the second support 602, and the two is mutually vertical.Meanwhile, the first axial position of support 601 is provided with chute 8, and the second rotating shaft 302 end can realize sliding up and down by chute 8.And rotating ash removal brush 6 two ends are fixedly connected with the second support 602 respectively by described holder.The present embodiment one is in practical work process, when chain 501-502 generation wearing and tearing or when expanding with heat and contract with cold, second rotating shaft 302 can move up and down because of elongating or shortening of chain 501-502, and namely the first rotating shaft 302 and chain 501-502 can realize chain 501-502 by chute 8 and be in tensioning state always under self gravitation effect.
In the present embodiment one, powder dust adsorbing device is at least one group.Often organize powder dust adsorbing device along airflow direction (level from left to right) in housing 1 near one end, gas outlet 102 successively in array distribution, and bottom powder dust adsorbing device, be provided with above-mentioned dust collecting.Wherein, the group number setting of powder dust adsorbing device is determined according to the first electric field S0 outlet flue dust condition, housing 1 trailing space size and final emission request.
In the present embodiment one, the front of steel mesh 2 or rear also can arrange that corona wire 7(determines whether to set up corona wire 7 according to the charged situation of dust).Preferably, corona wire is a discharge lines (as prickle wire) or line discharge lines (as astroid) or face discharge lines (as circle line).
In the present embodiment one, also can adopt many group regions electric field in the first electric field S0 along airflow direction successively in array distribution (as first area electric field S01, second area electric field S02, the 3rd region electric field S03).Now, powder dust adsorbing device can be placed between arbitrary adjacent area electric field, and other component relations are same as described above.
In the present embodiment one, between adjacent fixed mount 3 or can reserve the gap of one fixed width between adjacent frame 4, in actual job process, when deashing breaks down, reserving gaps can play the effect that resistance falls in earial drainage, and safe and reliable to operation, maintenance cost is low.
Embodiment two
See Fig. 2-7, the present embodiment two provides another kind of netted mobile dust collector pole electric cleaner.The present embodiment two, for electric cleaner technology in embodiment one, arranging position by changing powder dust adsorbing device, namely in gas outlet 102, setting up at least one group of powder dust adsorbing device, comprising rotating shaft 301-302, sprocket wheel 401-404 and chain 501-502.And each assembly annexation is identical with embodiment one.Meanwhile, baffle plate 10 is set up in powder dust adsorbing device bottom, makes rotating ash removal brush be positioned at non-flow area.All the other arrange all identical with embodiment one.
In embodiment one provided by the invention, embodiment two, when housing 1 transverse width is excessive (a networking shape dust collector pole cannot block airflow area), two groups of (or many groups) powder dust adsorbing devices can be adopted to be set up in parallel in housing 1 transverse width direction.
See Fig. 8, present invention also offers a kind of dust collection method based on dust collector pole electric cleaner mobile in embodiment one, embodiment two, to support technical problem to be solved by this invention.Specifically comprise:
Step S1001: dust enters the first electric field S0 with air-flow, in the first electric field S0, dust is charged, realizes first time adsorbing powder dust 1001;
Step S1002: the residue dust for the first time after adsorbing powder dust enters the second electric field with air-flow, is first caught by steel mesh 2 windward side, realizes second time adsorbing powder dust 1002;
Step S1003: the residue dust after second time adsorbing powder dust through steel mesh 2 mesh, realizes third time adsorbing powder dust 1003 with air-flow in the process of passing;
Step S1004: the residue dust for the third time after adsorbing powder dust is with air-flow through steel mesh 2, and the vortex entering the formation of steel mesh 2 lee face realizes the 4th adsorbing powder dust 1004;
Step S1005: steel mesh 2 is moved to the dust collecting being positioned at non-flow area by driving mechanism, removed by the dust of absorption on steel mesh 2 by the rotating ash removal brush 6 be placed in dust collecting, the dust be eliminated directly falls into the second ash bucket 202 1005.
Wherein, step S1001 is for trapping most dust; (90% is PM to few part fine dust of escaping from the first electric field S0
10) enter the second electric field be made up of steel mesh 2; Because dust is consistent with suffered electric field force direction with the direction of motion of air-flow, therefore dust moves to netted dust collector pole at a high speed, and part is caught by the windward side of netted dust collector pole (steel mesh 2).Meanwhile, not by most fine dusts that steel mesh 2 windward side is caught in step S1002, can only be gone out by steel mesh 2 mesh (aperture is 0.25 ~ 4mm).According to Coulomb's law formula F
1,2=kq
1q
2/ R
2known, the electric field force F compared with traditional electrical deduster suffered by dust
1,2in theory by increase 10000 times.Namely, when in step S1003, dust is by mesh, a large amount of fine dust is adsorbed onto on steel mesh 2 instantaneously.In step S1004, due to the perturbation action of steel mesh 2 pairs of air-flows, make to form vortex near its lee face, under the effect of step S1003 fine dust at large at eddy current, major part is trapped by steel mesh 2 lee face.By driving mechanism, steel mesh 2 is moved to the dust collecting being positioned at non-flow area (below the second rotating shaft 302) in step S1005, by the rotating ash removal brush 6 be placed in dust collecting, the dust of absorption on steel mesh 2 is removed, the dust be eliminated directly falls into the second ash bucket 202, can realize thoroughly avoiding dust secondary fly-up and high resistivity dust inverse corona problem.
The netted mobile dust collector pole electric cleaner of one provided by the invention and dust collection method, by adopting one or more groups netted dust collector pole of (housing 1 afterbody) horizontally set after the first electric field S0, give full play to the effect that steel mesh 2 in netted dust collector pole utilizes the multiple dust removal mechanism trapping such as inertial collision, interception, diffusion effect and Electrostatic Absorption fine dust.Its beneficial effect is as described below:
1., because air-flow enters the dust normally subparticle entrained by the second electric field, dust is consistent with suffered electric field force direction with the direction of motion of air-flow simultaneously, therefore dust moves to netted dust collector pole at a high speed, and part dust can be caught by the windward side of steel mesh 2;
2., not by most fine dusts that steel mesh 2 windward side is caught, gone out by steel mesh 2 mesh; Because aperture is 0.25 ~ 4mm, according to Coulomb's law formula F
1,2=kq
1q
2/ R
2known, positive and negative charge q in electric field
1with q
2the less Coulomb force of distance R is larger; And the ultimate range in the present invention between grit and netted dust collector pole is that 2mm(mesh aperture is maximum is set to 4mm), namely with grit in traditional electrical deduster compared with the ultimate range 200mm of dust collecting pole plate, electric field force F1,2 in theory by increase 10000 times! Greatly play the effect of statcoulomb power.Namely, when fine dust is by mesh, can be adsorbed onto online instantaneously;
3., the disturbance of horizontal steel mesh 2 pairs of air-flows makes to form vortex near its lee face, and under the synergy of eddy current and Coulomb force, the fine dust major part through steel mesh 2 is trapped by steel mesh lee face;
4., the present invention can determine the group number arranging netted mobile dust collector pole, enhancing dust removing effects according to the first electric field outlet flue dust condition, electric cleaner trailing space size and final emission request;
5., by netted dust collector pole is arranged on driving mechanism, dust collecting is arranged on non-flow area, achieve netted dust collector pole Automatic continuous deashing, remain the net that gathers dust " totally ", thoroughly avoid the inverse corona problem of dust secondary fly-up and high resistivity dust, guarantee the high capture rate to fine dust;
6., the present invention is by " adsorbing powder dust net is divided into block " (adopting some steel meshes 2, some fixed mounts 3 and some frameworks 4), be conducive to deduster to maximize, can change separately after certain block steel mesh 2 breakage, installation and maintenance maintenance is convenient, gap between every block steel mesh 2 can be played earial drainage and be fallen drag effect when deashing breaks down, safe and reliable to operation, maintenance cost is low;
8., the present invention in steel mesh 2 front or after can set up corona wire 7 according to the charged situation of dust, realize improving dust catching probability;
9., the present invention when old electric cleaner renovation and improving, can not place be increased newly, not change former electric field structure, there is the advantages such as improvement cost is low, short construction period.
The netted mobile dust collector pole electric cleaner of one provided by the invention and dust collection method, combine the many merits such as transverse electrode technology, screen cloth electrostatic precipitation technology, traveling electrode technology, possessed PM
10following fine dust efficiency of dust collection is high, system cloud gray model low resistance and other advantages.Meanwhile, the present invention is used for the renovation and improving of traditional electrical deduster, can reduce traditional electrical house outlet dust emission concentration more than 40%, ensures to meet qualified discharge requirement; And do not change former electric field structure after transformation, not newly-increased place, not newly-increased running resistance, greatly shorten the transformation cycle, reduce improvement cost, effectively can solve the various problems run in current numerous industry electric precipitation transformation process, also overcome the obstacle that the industries such as current steel mill, metallurgy, power station, building materials, chemical industry have the further energy-saving and emission-reduction of cleaner, meet the environmental requirement of increasingly stringent, achieve real low concentration (<10mg/Nm
3) discharge.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a netted mobile dust collector pole electric cleaner, comprising: for the air inlet (101) of air-flow input, the gas outlet (102) exported for air-flow, dust collecting, the first ash bucket (201) and housing (1); Described air inlet (101) is placed in described housing (1) one end, described gas outlet (102) is placed in described housing (1) other end, is provided with the cathode line for generation of the first electric field (S0) and positive plate in described housing (1); Described first ash bucket (201) is placed in described first electric field (S0) below; It is characterized in that: described first electric field (S0) rear is provided with the powder dust adsorbing device for generation of the second electric field;
Described powder dust adsorbing device comprises: netted dust collector pole and for driving the driving mechanism of described netted dust collector pole movement;
Described netted dust collector pole is fixedly connected with described driving mechanism, described netted dust collector pole and airflow direction perpendicular; Described netted dust collector pole can realize the circulating face blocking described air-flow;
Described driving mechanism is fixedly connected with described housing (1) or described gas outlet (102);
Described dust collecting is placed in bottom described driving mechanism, can realize the dust collecting described netted dust collector pole absorption;
Described driving mechanism comprises: the first rotating shaft (301), the second rotating shaft (302), the first chain wheel set, the second chain wheel set and chain group;
Described first rotating shaft (301) through described first chain wheel set, and is fixedly connected with described first chain wheel set middle sprocket;
Described second rotating shaft (302) through described second chain wheel set, and is fixedly connected with described second chain wheel set middle sprocket;
Described first chain wheel set, described second chain wheel set can realize synchronous axial system by described chain group;
Described netted dust collector pole is fixedly connected with described chain group;
Described first rotating shaft (301) is connected with drive motors (5) through described housing (1);
Described drive motors (5) can realize driving the rotation of described first rotating shaft (301) by connecting gear, and then drives described first chain wheel set, described chain group, described second chain wheel set to realize synchronous operation successively by described first rotating shaft (301);
Described netted dust collector pole comprises: the square fixed mount (3) that several square steel meshes (2), several and described square steel mesh (2) shape are suitable and several quadras (4);
Described fixed mount (3) is in double-decker, and described steel mesh (2) is placed between described fixed mount (3) double-decker, and both being realized by retention mechanism (9), edge is fastening;
Described fixed mount (3) is horizontally arranged in described quadra (4) successively, and is fixedly connected with described quadra;
Described quadra (4) is fixedly connected with described chain group by its edge, and each described quadra (4) is equidistantly arranged above and below successively;
The mesh aperture of described steel mesh (2) is 0.25 ~ 4mm.
2. netted mobile dust collector pole electric cleaner according to claim 1, is characterized in that:
Described first chain wheel set comprises: the first sprocket wheel (401), the second sprocket wheel (402);
Described second chain wheel set comprises: the 3rd sprocket wheel (403), the 4th sprocket wheel (404);
Described first rotating shaft (301) successively through described first sprocket wheel (401), described second sprocket wheel (402), and is fixedly connected with described first sprocket wheel (401), described second sprocket wheel (402) respectively;
Described second rotating shaft (302) successively through described 3rd sprocket wheel (403), described 4th sprocket wheel (404), and is fixedly connected with described 3rd sprocket wheel (403), described 4th sprocket wheel (404) respectively;
Described chain group top respectively with described first sprocket wheel (401), described second sprocket wheel (402) active link;
Bottom described chain group respectively with described 3rd sprocket wheel (403), described 4th sprocket wheel (404) active link;
Described first sprocket wheel (401) central shaft, described second sprocket wheel (402) central shaft, described 3rd sprocket wheel (403) central shaft, described 4th sprocket wheel (404) central shaft, described first rotating shaft (301) and described second rotating shaft (302) are all in same perpendicular, and described perpendicular and described airflow direction perpendicular.
3. netted mobile dust collector pole electric cleaner according to claim 2, is characterized in that:
Described chain group comprises: the first chain (501), the second chain (502);
Described first chain (501) top and described first sprocket wheel (401) active link, described first chain (501) bottom and described 3rd sprocket wheel (403) active link;
Described second chain (502) top and described second sprocket wheel (402) active link, described second chain (502) bottom and described 4th sprocket wheel (404) active link;
Described quadra (4) is fixedly connected with described first chain (501) by one lateral edges position, and described quadra (4) opposite side edge is fixedly connected with described second chain (502).
4. the netted mobile dust collector pole electric cleaner according to any one of claim 2-3, is characterized in that:
Described dust collecting comprises: the second ash bucket (202), rotating ash removal brush (6), holder and link;
Described rotating ash removal brush (6) two ends are fixedly connected with described link respectively by described holder, and described rotating ash removal brush (6) and described holder can realize relatively rotating, and then realize the dust removing the absorption of netted dust collector pole;
Described second rotating shaft (302) two ends are flexibly connected with described link respectively;
Described rotating ash removal brush (6) is placed in described second ash bucket (202) inside by described link;
Described second ash bucket (202) is fixedly connected with described housing bottom, and is positioned at described second rotating shaft (302) below.
5. netted mobile dust collector pole electric cleaner according to claim 4, is characterized in that:
Described link comprises: the first support (601), the second support (602);
Described first support (601) is fixedly connected with described second support (602), and the two is mutually vertical;
The axial position of described first support (601) is provided with chute (8), and described second rotating shaft (302) end can realize sliding up and down by described chute (8);
Described rotating ash removal brush (6) two ends are fixedly connected with described second support (602) respectively by described holder.
6. netted mobile dust collector pole electric cleaner according to claim 5, is characterized in that:
The front of described steel mesh (2) or rear are furnished with corona wire (7);
Described corona wire (7) is a discharge lines, line discharge lines or face discharge lines.
7. netted mobile dust collector pole electric cleaner according to claim 1, is characterized in that:
Described powder dust adsorbing device is at least one group;
Often organize described powder dust adsorbing device along described airflow direction successively in array distribution, and be provided with described dust collecting bottom described powder dust adsorbing device.
8., based on a dust collection method for mobile dust collector pole electric cleaner netted described in claim 1, it is characterized in that, comprising:
Dust enters the first electric field (S0) with air-flow, and in the first electric field (S0), dust is charged, realizes first time adsorbing powder dust;
Residue dust for the first time after adsorbing powder dust enters the second electric field with air-flow, is first caught by steel mesh (2) windward side, realizes second time adsorbing powder dust;
Residue dust after second time adsorbing powder dust is with air-flow through steel mesh (2) mesh, and in realizing third time adsorbing powder dust through in process, wherein, the aperture of described steel mesh mesh is 0.25 ~ 4mm;
Residue dust for the third time after adsorbing powder dust is with air-flow through steel mesh (2), and the vortex entering the formation of steel mesh (2) lee face realizes the 4th adsorbing powder dust;
Steel mesh (2) is moved to the dust collecting being positioned at non-flow area by driving mechanism, removed by the dust of the rotating ash removal brush (6) be placed in dust collecting by upper for steel mesh (2) absorption, the dust be eliminated directly falls into the second ash bucket (202).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165888.XA CN103240181B (en) | 2013-05-08 | 2013-05-08 | A kind of netted mobile dust collector pole electric cleaner and dust collection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165888.XA CN103240181B (en) | 2013-05-08 | 2013-05-08 | A kind of netted mobile dust collector pole electric cleaner and dust collection method |
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| CN103240181A CN103240181A (en) | 2013-08-14 |
| CN103240181B true CN103240181B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108031556A (en) * | 2018-01-10 | 2018-05-15 | 厦门绿洋环境技术股份有限公司 | One kind rotation pole plate electric dust collector and electric precipitator |
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| JPH04150961A (en) * | 1990-10-09 | 1992-05-25 | Hitachi Plant Eng & Constr Co Ltd | Moving dust collecting electrode of electrical precipitator |
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| CN102357414A (en) * | 2011-08-12 | 2012-02-22 | 杭州天明环保工程有限公司 | Electrostatic precipitator |
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| JPH04150961A (en) * | 1990-10-09 | 1992-05-25 | Hitachi Plant Eng & Constr Co Ltd | Moving dust collecting electrode of electrical precipitator |
| CN2106002U (en) * | 1991-11-21 | 1992-06-03 | 清华大学 | Chain net transmission type electric dust remover |
| CN2805940Y (en) * | 2005-07-29 | 2006-08-16 | 周益平 | Highly-efficient electric dust collector employed mobile dust-collection |
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| CN103240181A (en) | 2013-08-14 |
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Address after: 430000 room 01, 13 / F, unit 7, skirt building, phase II R & D building, No. 3, Guanggu Avenue, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN JINGHONG ECOLOGICAL ENVIRONMENT Co.,Ltd. Address before: 430061 floor 15, building a, 2008 New Changjiang Plaza, No. 2, Youyi Avenue, Wuchang District, Wuhan City, Hubei Province Patentee before: KINGHOME ENVIRONMENTAL TECHNOLOGIES Co.,Ltd. |