CN105709929A - Turbulence strong current dust collection device - Google Patents
Turbulence strong current dust collection device Download PDFInfo
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- CN105709929A CN105709929A CN201410737561.XA CN201410737561A CN105709929A CN 105709929 A CN105709929 A CN 105709929A CN 201410737561 A CN201410737561 A CN 201410737561A CN 105709929 A CN105709929 A CN 105709929A
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- positive plate
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Abstract
The invention relates to a device used for separating dispersed particles from gas or steam through the electrostatic effect, in particular to a turbulence strong current dust collection device. The turbulence strong current dust collection device comprises a shell. Cathode corona wires and anode plates are fixed to the top of the shell through a cathode suspension system and an anode suspension system. A cathode rapping system corresponding to the cathode corona wires is arranged at the top of the shell. An anode rapping system corresponding to the anode plates is arranged at the bottom of the shell. The corona wires and the anode plates are arranged alternately. Dust hoppers are fixed to the lower portion of the shell. The anode plates are in a grating shape. An air inlet and an air outlet which correspond to the anode plates are formed in the two sides of the shell correspondingly. A gas distribution plate is arranged at the air inlet. The connecting line of the air inlet and the air outlet is perpendicular to the anode plates. According to the turbulence strong current dust collection device, conventional shielding anode plates are replaced by the through-type anode plates, and a special vortex turbulence effect is generated when gas passes through the anode plates, so that dust is further adsorbed and settled, extremely fine dust particles with the grain of PM 2.5 or below can be effectively adsorbed, and the dust capture rate of the anode plates is increased.
Description
Technical field
The present invention relates to a kind of electrostatic effect from gas or steam, separate the device of diffusing particle, be specifically related to a kind of turbulent flow forceful electric power dust arrester.
Background technology
Electric cleaner uses existing over one hundred year history from invention in 1907, its primary structure includes housing, support, air inlet, distribution grid, negative electrode, cathode rapping system, cathode suspension system, anode, anode rapping system, gas outlet, ash bucket, rain-proof cover and ash exhauster, for bearing blast, operating temperature and pressure, housing adopts all steel to make, during work, high-tension electricity is applied to negative electrode and anode, form non-uniform electric field, make to produce in electric field corona discharge, when ash-laden gas is by after electric field, collision due to corona current Yu dust granules, make dust charged, and under the effect of electric field force, tend to electrode opposite polarity with it, thus carry out dedusting.
Along with the discharge index of atmosphere pollution is improved constantly by China, some areas propose the new file that new Atmospheric particulates discharge standard is 20 milligrams/mark cubic meter, make a large amount of online electric cleaner particularly gone into operation 2～3 years used be unable to reach new discharging standards requirement.
In order to make electric cleaner up to standard, it is necessary to improve the efficiency of dust collection of electric cleaner.Current routine mainly takes following several method: 1) improve electric field intensity, namely changes power supply such as EHT supply, variable-frequency power sources, the pulse power etc..
2) increase dust-collecting area, widen lengthening electric field as increased.
3) changing the structure of cleaner unit, as improved rapping power, end electric field adds rotary electrode etc..
Above-mentioned several method, improves the limited extent of efficiency of dust collection, it is impossible to the fine dusts microgranules such as absorption PM2.5, and adds the investment of equipment, is still difficult to meet new Atmospheric particulates discharge standard.
Summary of the invention
For solving the deficiency in above-mentioned technical problem, it is an object of the invention to: provide a kind of turbulent flow forceful electric power dust arrester, it is possible to the pole fine dust particles of below active adsorption PM2.5, improve positive plate dust catch rate.
The present invention solves that the technical scheme that its technical problem adopts is:
Described turbulent flow forceful electric power dust arrester, including housing, case top is respectively through cathode suspension system and anode suspension fixed negative pole corona wire and positive plate, case top correspondence cathodic electricity hachure arranges cathode rapping system, housing bottom correspondence positive plate arranges anode rapping system, corona wire and the alternate setting of positive plate, ash bucket is fixed below housing, described positive plate is set to grill-shaped, housing both sides correspondence positive plate is respectively provided with air inlet and air outlet, the line that air inlet arranges air distribution plate, air inlet and air outlet is vertical with positive plate.
Conventional " shield type positive plate " is improved to " through positive plate " by the present invention, dusty gas within cleaner unit is flowed to consistent with the direction that Charged particle moves to positive plate, Charged particle is directly blowed to positive plate by dusty gas, is caught absorption by positive plate；Additionally, dust is consistent to the moving direction of positive plate with wind direction in electric field, make its drive dust to anode movement make a concerted effort increased, improve the migration velocity that dust is caught by electric cleaner, caught by positive plate so that the wind direction of dusty gas does not only harm dust, greatly facilitate the positive plate seizure to dust on the contrary.
On the other hand, due to special anode plate structure so that the lock-on range of dust is foreshortened to 15mm by original 200mm, further it is greatly improved positive plate and catches the efficiency of dust；The more important thing is, special anode plate structure makes gas produce special vortex turbulence effect through positive plate so that dust is adsorbed, sedimentation further, and especially the efficiency of dust collection of the superfine little dust granules of below PM2.5 is greatly improved.
Wherein, it is preferable that scheme is:
Described ash bucket is surrounded by four pieces of trapezoidal wallboards, gusset it is provided with outside wallboard, one of wallboard is provided with manhole, spoiler fixed by ash bucket, the dust granules of positive plate absorption is reclaimed by ash bucket after anode rapping system shoots down, ash bucket connects ash discharging mechanism, and dust can be transported by ash discharging mechanism in time.
Described anode rapping system adopts lateral rotating machinery vibrated system, rapping power transmission is uniform, rapping intensity is big, operating is stable, easily realize stepping rapping mode, it is contemplated that the peculiar structure of through positive plate, the tangentially rapping of in the past shielding precipitation pole plate is changed into present along normal direction rapping, according to experiments show that both at home and abroad, the transmission merit along normal direction rapping is 7～10 times of the merit of tangentially rapping transmission.
Described anode rapping system is arranged on housing centre position, lateral rotating machinery vibrated system includes middle rapping and bottom rapping two ways, rationally can selecting according to actual process situation and stepping electric cleaner sectional area size, generally based on middle rapping, bottom rapping is auxiliary.
Described cathode suspension system includes supports insulative, suspention beam, suspension rod and anti-sway insulator, suspention beam two ends are supported by supports insulative, suspension rod one end is fixed on suspention beam, the other end connects negative electrode fixed frame top, in negative electrode fixed frame, fixing corona wire, arranges anti-sway insulator bottom negative electrode fixed frame.
Described corona wire adopts RS prickle wire, electric field requires that corona wire to have certain mechanical strength, in order to prevent the fracture of corona wire and affect field operation, adopt RS prickle wire, electric field requires that corona discharge electrode to have good power strength simultaneously, RS prickle wire is for other corona wire, and its strength of discharge tops the list, and electric current density wants big many compared with other shape discharge electrode.
Described positive plate arranges 20 pieces, horizontal 20 positive plates, the chance that dust is often just once captured through a positive plate, so dust has 20 chances that are captured, in rapping process, the previous dust just kicked up at the positive plate of rapping is not had the positive plate of rapping to catch absorption by latter one, the rest may be inferred, unless last positive plate rapping, but airborne dust now is original 0.05, and reentrainment of dust greatly reduces.
Described positive plate thickness is 55-65mm, and non-deformability is greatly enhanced.
Described air distribution plate adopts scale type air distribution plate, air distribution plate has two effects in cleaner unit, the first carries out thick dedusting, it two is when the pipeline air intake of 15m/s enters after cleaner unit, immediately drop to 0.5m/s～0.8m/s, now by scale type air distribution plate, it must be carried out uniform wind speed effect, to reach dust collecting process requirement.
Compared with prior art, the method have the advantages that
1) conventional shield type positive plate is improved to through positive plate, dusty gas within cleaner unit is flowed to consistent with the direction that Charged particle moves to positive plate, Charged particle is directly blowed to positive plate by dusty gas, absorption is caught by positive plate, caught by positive plate so that the wind direction of dusty gas does not only harm dust, greatly facilitate the positive plate seizure to dust on the contrary；
2) migration velocity is big, in housing, dust is consistent with wind direction in electric field to the moving direction of positive plate, make its drive dust to anode movement make a concerted effort increased, its aggregate velocity more than tradition electric cleaner, so the migration velocity of Novel electrical dust collector be far longer than tradition electric cleaner；
3) closely catch, due to special anode plate structure so that the lock-on range of dust is foreshortened to 15mm by original 200mm, be further greatly improved positive plate and catch the efficiency of dust；
4) turbulence effect, special anode plate structure makes gas produce special vortex turbulence effect through positive plate so that dust is adsorbed, sedimentation further, and especially the efficiency of dust collection of the superfine little dust granules of below PM2.5 is greatly improved；
5) the dust chance that is captured is many, and horizontal 20 positive plates, the chance that dust is often just once captured through a positive plate, so dust has 20 chances that are captured；
6) ramping effect is good, and positive plate adopts normal direction vibrated system, and the transmission merit along normal direction rapping is 7～10 times of the merit of tangentially rapping transmission；
7) reentrainment of dust is little, due to the horizontal structure of anode, in rapping process, the previous dust just kicked up at the positive plate of rapping is not had the positive plate of rapping to catch absorption by latter one, the rest may be inferred, unless last positive plate rapping, but airborne dust now is original 0.05；
8) negative electrode hypertrophy and back corona phenomenon are overcome, owing to reentrainment of dust is little, it is possible to suitably strengthen rapping dynamics, improve rapping merit, maintain the cleannes of corona discharge electrode, receiving electrode.
9) interior flow field is stable, and dusty gas, often through a through positive plate, all can carry out once all wind effects to flowing through air-flow, add upper air inlet spoiler effect, and cleaner unit is accumulative carries out more than 20 all wind effects to dusty gas, and its interior flow field is highly stable；
10) positive plate high temperature deformation resistance ability is strong, and positive plate is 55-65mm thick " through positive plate ", and relatively thick for 1.2mm～2.0mm shield type positive plate, non-deformability is greatly enhanced.
Accompanying drawing explanation
Fig. 1 present configuration schematic diagram.
Fig. 2 embodiment 1 cathodic electricity hachure and positive plate location diagram.
Fig. 3 embodiment 1 ash bucket structural representation.
Fig. 4 embodiment 1 scale type air distribution plate structural representation.
Rapping mode structure chart in the middle of Fig. 5 embodiment 1 positive plate.
Fig. 6 embodiment 1 cathode suspension system structure schematic diagram.
In figure: 1, housing；2, cathode suspension system 3, anode suspension；4, corona wire；5, positive plate；6, cathode rapping system；7, anode rapping system；8, ash bucket；9, air inlet；10, air outlet；11, air distribution plate；12, wallboard；13, gusset；14, manhole；15, supports insulative；16, suspention beam；17, suspension rod.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is described further:
Embodiment 1:
As shown in Figure 1-2, described turbulent flow forceful electric power dust arrester, including housing 1, housing 1 top is respectively through cathode suspension system 2 and anode suspension 3 fixed negative pole corona wire 4 and positive plate 5, housing 1 top correspondence cathodic electricity hachure 4 arranges cathode rapping system 6, bottom housing 1, corresponding positive plate 5 arranges anode rapping system 7, corona wire 4 and the alternate setting of positive plate 5, ash bucket 8 is fixed below housing 1, described positive plate 5 is set to grill-shaped, housing 1 both sides correspondence positive plate is respectively provided with air inlet 9 and air outlet 10, air inlet 9 place arranges air distribution plate 11, the line of air inlet 9 and air outlet 10 is vertical with positive plate 5.
Wherein, as shown in Figure 3, ash bucket 8 is surrounded by four pieces of trapezoidal wallboards 12, gusset 13 it is provided with outside wallboard 12, one of wallboard 12 is provided with manhole 14, and spoiler fixed by ash bucket 8, and the dust granules of positive plate 5 absorption is reclaimed by ash bucket 8 after anode rapping system 7 shoots down, ash bucket 8 connects ash discharging mechanism, and dust can be transported by ash discharging mechanism in time；
Anode rapping system 7 adopts lateral rotating machinery vibrated system, rapping power transmission is uniform, rapping intensity is big, operating is stable, easily realize stepping rapping mode, it is contemplated that the peculiar structure of through positive plate 5, the tangentially rapping of in the past shielding precipitation pole plate is changed into present along normal direction rapping, according to experiments show that both at home and abroad, the transmission merit along normal direction rapping is 7～10 times of the merit of tangentially rapping transmission；
As shown in Figure 5, anode rapping system 7 is arranged on housing 1 centre position, lateral rotating machinery vibrated system includes middle rapping and bottom rapping two ways, rationally can select according to actual process situation and stepping electric cleaner sectional area size, general based on middle rapping, bottom rapping is auxiliary, therefore, and rapping in the middle of adopting in the present embodiment；
As shown in Figure 6, cathode suspension system 3 includes supports insulative 15, suspention beam 16, suspension rod 17 and anti-sway insulator, suspention beam 16 two ends are supported by supports insulative 15, suspension rod 17 one end is fixed on suspention beam 16, the other end connects negative electrode fixed frame top, in negative electrode fixed frame, fixing corona wire 4, arranges anti-sway insulator bottom negative electrode fixed frame；
Corona wire 4 adopts RS prickle wire, electric field requires that corona wire to have certain mechanical strength, in order to prevent the fracture of corona wire 4 and affect field operation, adopt RS prickle wire, electric field requires that corona discharge electrode to have good power strength simultaneously, RS prickle wire is for other corona wire, and its strength of discharge tops the list, and electric current density wants big many compared with other shape discharge electrode；
Positive plate 5 arranges 20 pieces, horizontal 20 positive plates 5, the chance that dust is often just once captured through a positive plate 5, so dust has 20 chances that are captured, in rapping process, the previous dust just kicked up at the positive plate 5 of rapping is not had the positive plate 5 of rapping to catch absorption by latter one, the rest may be inferred, unless last positive plate 5 rapping, but airborne dust now is original 0.05, and reentrainment of dust greatly reduces；
Positive plate 5 thickness is 55-65mm, and non-deformability is greatly enhanced；
As shown in Figure 4, air distribution plate 11 adopts scale type air distribution plate, air distribution plate 11 has two effects in cleaner unit, the first carries out thick dedusting, it two is when the pipeline air intake of 15m/s enters after cleaner unit, immediately drop to 0.5m/s～0.8m/s, now by scale type air distribution plate 11, it must be carried out uniform wind speed effect, to reach dust collecting process requirement.
Conventional " shield type positive plate " is improved to " through positive plate " by the present invention, dusty gas within cleaner unit is flowed to consistent with the direction that Charged particle moves to positive plate 5, Charged particle is directly blowed to positive plate 5 by dusty gas, is caught absorption by positive plate 5；Additionally, dust is consistent to the moving direction of positive plate 5 with wind direction in electric field, make its drive dust to anode movement make a concerted effort increased, improve the migration velocity that dust is caught by electric cleaner, caught by positive plate 5 so that the wind direction of dusty gas does not only harm dust, greatly facilitate the positive plate 5 seizure to dust on the contrary.
On the other hand, due to special positive plate 5 structure so that the lock-on range of dust is foreshortened to 15mm by original 200mm, further it is greatly improved positive plate 5 and catches the efficiency of dust；The more important thing is, special positive plate 5 structure makes gas produce special vortex turbulence effect when through positive plate 5 so that dust is adsorbed, sedimentation further, and especially the efficiency of dust collection of the superfine little dust granules of below PM2.5 is greatly improved.
Claims (9)
1. a turbulent flow forceful electric power dust arrester, including housing (1), housing (1) top is respectively through cathode suspension system (2) and anode suspension (3) fixed negative pole corona wire (4) and positive plate (5), housing (1) top correspondence cathodic electricity hachure (4) arranges cathode rapping system (6), the corresponding positive plate (5) in housing (1) bottom arranges anode rapping system (7), corona wire (4) and positive plate (5) alternate setting, the fixing ash bucket (8) in housing (1) lower section, it is characterized in that, described positive plate (5) is set to grill-shaped, housing (1) both sides correspondence positive plate (5) are respectively provided with air inlet (9) and air outlet (10), air inlet (9) place arranges air distribution plate (11), the line of air inlet (9) and air outlet (10) is vertical with positive plate (5).
2. turbulent flow forceful electric power dust arrester according to claim 1, it is characterized in that, described ash bucket (8) is surrounded by four pieces of trapezoidal wallboards (12), wallboard (12) outside is provided with gusset (13), and one of wallboard (13) is provided with manhole (14).
3. turbulent flow forceful electric power dust arrester according to claim 1, it is characterised in that described anode rapping system (7) adopts lateral rotating machinery vibrated system.
4. the turbulent flow forceful electric power dust arrester according to claim 1 or 3, it is characterised in that described anode rapping system (7) is arranged on housing (1) centre position.
5. turbulent flow forceful electric power dust arrester according to claim 1, it is characterized in that, described cathode suspension system (2) includes supports insulative (15), suspention beam (16), suspension rod (17) and anti-sway insulator, suspention beam (16) two ends are supported by supports insulative (15), suspension rod (17) one end is fixed in suspention beam (16), the other end connects negative electrode fixed frame top, in negative electrode fixed frame, fixing corona wire, arranges anti-sway insulator bottom negative electrode fixed frame.
6. turbulent flow forceful electric power dust arrester according to claim 1 or 5, it is characterised in that described corona wire (4) adopts RS prickle wire.
7. turbulent flow forceful electric power dust arrester according to claim 1, it is characterised in that described positive plate (5) arranges 20 pieces.
8. the turbulent flow forceful electric power dust arrester according to claim 1 or 7, it is characterised in that described positive plate (5) thickness is 55-65mm.
9. turbulent flow forceful electric power dust arrester according to claim 1, it is characterised in that described air distribution plate (11) adopts scale type air distribution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737561.XA CN105709929A (en) | 2014-12-05 | 2014-12-05 | Turbulence strong current dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410737561.XA CN105709929A (en) | 2014-12-05 | 2014-12-05 | Turbulence strong current dust collection device |
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| Publication Number | Publication Date |
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| CN105709929A true CN105709929A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410737561.XA Withdrawn CN105709929A (en) | 2014-12-05 | 2014-12-05 | Turbulence strong current dust collection device |
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| CN (1) | CN105709929A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102406A (en) * | 2019-04-02 | 2019-08-09 | 华北电力大学（保定） | It is a kind of for reuniting and trapping the cold electrode electric dust-removing process of condensable particulate matter |
| CN110841799A (en) * | 2019-11-26 | 2020-02-28 | 武汉武安环保科技有限公司 | Electrostatic particle flow high-efficiency dust remover |
-
2014
- 2014-12-05 CN CN201410737561.XA patent/CN105709929A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102406A (en) * | 2019-04-02 | 2019-08-09 | 华北电力大学（保定） | It is a kind of for reuniting and trapping the cold electrode electric dust-removing process of condensable particulate matter |
| CN110102406B (en) * | 2019-04-02 | 2024-05-03 | 华北电力大学（保定） | Cold electrode electric dust removal process for agglomerating and capturing condensable particles |
| CN110841799A (en) * | 2019-11-26 | 2020-02-28 | 武汉武安环保科技有限公司 | Electrostatic particle flow high-efficiency dust remover |
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Application publication date: 20160629 |
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| WW01 | Invention patent application withdrawn after publication |