CN105772220A - Multi-pole distribution combination type current inversion efficient electric precipitator - Google Patents
Multi-pole distribution combination type current inversion efficient electric precipitator Download PDFInfo
- Publication number
- CN105772220A CN105772220A CN201610308856.4A CN201610308856A CN105772220A CN 105772220 A CN105772220 A CN 105772220A CN 201610308856 A CN201610308856 A CN 201610308856A CN 105772220 A CN105772220 A CN 105772220A
- Authority
- CN
- China
- Prior art keywords
- electric field
- positive plate
- hydraulic barrier
- containing cavity
- blade
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
Abstract
The invention discloses a multi-pole distribution combination type current inversion efficient electric precipitator which comprises a shell, common electric field positive plates, common electric field negative poles, grating and blind positive plates, end electric field negative poles, front deflection baffles and rear deflection baffles. A smoke inlet is formed in the front end of the shell. A smoke outlet is formed in the rear end of the shell. The front deflection baffles are mounted at the front ends of the corresponding grating and blind positive plates. A first channel is formed behind each front deflection baffle. The front end of each first channel is sealed. The rear end of each first channel communicates with the smoke outlet. The rear deflection baffles are mounted at the rear ends of the grating and blind positive plates. A second channel is formed in front of each rear deflection baffle. The front ends of the second channels communicate with a front containing cavity. The rear ends of the second channels are sealed. According to the multi-pole distribution combination type current inversion efficient electric precipitator, by changing the air flow flowing direction and the flowing speed for multiple times, increasing the dust impact frequency and the like, the problems of back corona and reentrainment of dust are prevented effectively, superfine dust is collected more efficiently, and the dust collection efficiency is improved.
Description
Technical field
Disclosure one electric cleaner, particularly relates to a kind of end electric field airflow strikes, repeatedly break-in, the high-efficiency electric dust catcher that air-flow quadratic distribution, realization end electric field are checked on.
Background technology
The disclosed a kind of high-efficiency electric dust collector based on variable flow field of existing market and coulomb grid pole plate, it is structurally characterized in that, it is provided with the anterior electric field being made up of the anterior anode parallel with airflow direction and anterior negative electrode near the position of gas approach in housing, in housing, the position near exhanst gas outlet is provided with the rear portion electric field that can change air-flow travel path, the problem such as back corona phenomenon and bigger reentrainment of dust that easily occurs existed for solving existing electric cleaner provides certain solution, but this rearmounted electric field adopts the following current unsteady flow form with 60 ° of angles of electric field airintake direction, high resistivity dust and particle dust collision efficiency are on the low side, and gas inertia is moved, rearmounted electric field terminal pressure is bigger, cause that this rearmounted electric field treatment efficiency cannot perform to optimum condition dust removing effects requirement.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of box-like inversion high-efficiency electric dust catcher of multipole combo, by repeatedly changing air flow direction, flow velocity, improve dust collision frequency, extend the time of staying and the gap that arranges between blade effectively solves high resistance microgranule and cannot absorb and the problem of reentrainment of dust.
For achieving the above object, the present invention adopts such as purgation technical scheme:
A kind of box-like inversion high-efficiency electric dust catcher of multipole combo, includes housing, common electric field positive plate, common electric field negative electrode, grid shutter positive plate, end electric field negative electrode, front hydraulic barrier and rear hydraulic barrier；The front end of this housing has gas approach, the rear end of housing has exhanst gas outlet, there is in housing the front containing cavity and rear containing cavity that communicate with each other, this front containing cavity connection gas approach, this rear containing cavity connection this common electric field positive plate of exhanst gas outlet and common electric field negative electrode may be contained within front containing cavity, common electric field positive plate is spaced parallel arrangement, and each common electric field positive plate all front and back extend, and common electric field negative electrode is distributed between the common electric field positive plate of adjacent two；Described grid shutter positive plate and end electric field negative electrode are arranged in rear containing cavity, the spaced and parallel arrangement of grid shutter positive plate, and each grid shutter positive plate all front and back extend, and end electric field negative electrode is distributed between two adjacent grid shutter positive plates；This front hydraulic barrier is separately mounted to the front end of grid shutter positive plate, and the rear of each front hydraulic barrier is formed with first passage, and the front end of this first passage is closed, the rear end connection exhanst gas outlet of first passage；Described rear hydraulic barrier is respectively arranged in the rear end of grid shutter positive plate, and the front of each rear hydraulic barrier is formed with second channel, containing cavity before the front end connection of this second channel, the back-end closure of second channel.
As a kind of preferred version: described front hydraulic barrier is triangle hydraulic barrier.
As a kind of preferred version: described rear hydraulic barrier is circular arc hydraulic barrier or is umbrella shape hydraulic barrier.
As a kind of preferred version: described grid shutter positive plate is made up of upper junction plate, blade, square tube, round steel and lower connecting plate, this upper junction plate is linked together by square tube and lower connecting plate, form a fixed support, blade upper end is fixing with upper junction plate to be connected, blade lower end is fixing with lower connecting plate to be connected, and round steel is connected through blade is fixing with the square tube on both sides；The gap of the inlet end of this grid shutter positive plate is narrowed from the width to horn outlet direction successively by loudspeaker import.
As a kind of preferred version: described vane inlet end adopts uneven distribution, impeller clearance passage and outlet employing to be evenly arranged, and blade is S type or splayed configuration blade.
The present invention compared with prior art has clear advantage and beneficial effect, specifically, as shown from the above technical solution:
By arranging front hydraulic barrier and rear hydraulic barrier in rear containing cavity, air-flow is redistributed, flow velocity bust, dust has the more time of staying in multipole distribution field, the repeatedly change airflow direction of blade, improve effective contact frequency of high resistivity dust and blade, do not produce because flow velocity is extremely low to wash away, overcome the reentrainment of dust of rapping, cathode and anode spacing will not due to dust concentration size, dust collector pole dust stratification thickness and affect heteropole from change, fine grit is fully caught foot, not by the impact of dust specific resistance, effectively prevent inverse corona, Efficient Collection high resistivity dust and ultra tiny dust, improve efficiency of dust collection, ensure outlet drain concentration≤30mg/Nm reliably and with long-term3, adopt high frequency electric source or three phase mains to combine concentration of emission≤20mg/Nm steady in a long-term3；Adopt S type or splayed configuration blade simultaneously, in the confined space, add specific dust collection area, improve blade strength simultaneously, it is prevented that the accident that blade is deformed by rapping for a long time；Current engineering actual motion effect, compared with original coulomb of electric field down current arrangement and original grid pole plate down current arrangement, modified model multipole joins inversion distribution, and cleaner unit is effective improves 15-20% efficiency, and the last electric field dust removing effects after improvement is equivalent to 2-3 times of common electric field.
For more clearly setting forth architectural feature and effect of the present invention, below in conjunction with accompanying drawing, the present invention is described in detail with specific embodiment.
Accompanying drawing explanation
Fig. 1 is the sectional view of bowing of first preferred embodiment of the present invention；
Fig. 2 be the present invention the first preferred embodiment in the top view of grid shutter positive plate；
Fig. 3 be the present invention the first preferred embodiment in the side view of grid shutter positive plate；
Fig. 4 be the present invention the first preferred embodiment in before the side view of hydraulic barrier；
Fig. 5 be the present invention the first preferred embodiment in before the top view of hydraulic barrier；
Fig. 6 be the present invention the first preferred embodiment in after the side view of hydraulic barrier；
Fig. 7 be the present invention the first preferred embodiment in after the top view of hydraulic barrier；
Fig. 8 is the air flow method schematic diagram of first preferred embodiment of the present invention；
Fig. 9 is the sectional view of bowing of second preferred embodiment of the present invention；
Figure 10 be the present invention the second preferred embodiment in the side view of grid shutter positive plate；
Figure 11 is the air flow method schematic diagram of second preferred embodiment of the present invention.
Accompanying drawing identifier declaration:
10, housing 101, first passage
102, second channel 11, gas approach
12, exhanst gas outlet 13, front containing cavity
14, rear containing cavity 20, common electric field positive plate
30, common electric field minus plate 40, grid shutter positive plate
41, upper junction plate 42, blade
43, square tube 44, round steel
45, lower connecting plate 50, end electric field minus plate
60, front hydraulic barrier 70, rear hydraulic barrier.
Detailed description of the invention
Refer to shown in Fig. 1, that show the concrete structure of first preferred embodiment of the present invention, include housing 10, multiple common electric field positive plate 20, multiple common electric field negative electrode 30, multiple grid shutter positive plate 40, multiple ends electric field negative electrode 50, multiple front hydraulic barrier 60 and multiple rear hydraulic barrier 70.
The front end of this housing 10 has gas approach 11, and the rear end of housing 10 has exhanst gas outlet 12, has the front containing cavity 13 and rear containing cavity 14 that communicate with each other in housing 10, and this front containing cavity 13 connects gas approach 11, and this rear containing cavity 14 connects exhanst gas outlet 12.
The plurality of common electric field positive plate 20 and multiple common electric field negative electrode 30 may be contained within front containing cavity 13, multiple common electric field positive plates 20 are spaced parallel arrangement, each common electric field positive plate 20 all front and back extend, and multiple common electric field negative electrodes 30 are distributed between the common electric field positive plate 20 of adjacent two.
The plurality of grid shutter positive plate 40 and multiple ends electric field negative electrode 50 are arranged in rear containing cavity 14, the spaced and parallel arrangement of multiple grid shutter positive plate 40, each grid shutter positive plate 40 all front and back extend, and the plurality of end electric field negative electrode 50 is distributed between two adjacent grid shutter positive plates 40；The plurality of front hydraulic barrier 60 is separately mounted to the front end of grid shutter positive plate 40, and the rear of each front hydraulic barrier 60 is formed with first passage 101, and the front end of first passage 101 is closed, the rear end connection exhanst gas outlet 12 of first passage 101；Multiple rear hydraulic barriers 70 are respectively arranged in the rear end of grid shutter positive plate 40, and the front of each rear hydraulic barrier 70 is formed with second channel 102, containing cavity 13 before the front end connection of this second channel 102, the back-end closure of second channel 102.
As shown in Figures 2 and 3, this grid shutter positive plate 40 is made up of upper junction plate 41, blade 42, square tube 43, round steel 44 and lower connecting plate 45, this upper junction plate 41 is linked together by square tube 43 and lower connecting plate 45, form a fixed support, blade 42 upper end is fixing with upper junction plate 41 to be connected, blade 42 lower end is fixing with lower connecting plate 45 to be connected, and round steel 44 is connected through blade 42 is fixing with the square tube 43 on both sides；Described blade 42 entrance point adopts uneven distribution, blade 42 clearance channel and outlet employing are evenly arranged, air-flow is made to have bust, extend the air-flow time of staying, blade 42 is splayed configuration blade, air-flow can repeatedly change air-flow through out-of-date so that high resistivity dust improves with the effective contact probability of blade 42；The gap of the inlet end of this grid shutter positive plate 40 is narrowed from the width to horn outlet direction successively by loudspeaker import, carries out air-flow quadratic distribution, reduces the stream pressure of end electric field end.
As shown in Figure 4 and Figure 5, this front hydraulic barrier 60 is triangle hydraulic barrier；As shown in Figure 6 and Figure 7, this rear hydraulic barrier 70 is circular arc hydraulic barrier or is umbrella shape hydraulic barrier.
When the air-flow with dust enters front containing cavity 13 through gas approach 11, under common electric field positive plate 20 and common electric field negative electrode 30 act on, concentration is high, coarse size, less than resistance, the dust being prone to collect is removed, containing cavity 14 after residue high specific resistance and particle dust entrance, air-flow first passes through front hydraulic barrier 60 and carries out water conservancy diversion, air-flow is made to lead to second channel 102, after clashing into after the air-flow elder generation following current of second channel 102, hydraulic barrier 70 forms adverse current, flow in both sides grid shutter positive plate 40, now, residue high specific resistance and particle dust are absorbed under the effect of grid shutter positive plate 40 and end electric field negative electrode 50, air-flow after dedusting is entering first passage, discharge through exhanst gas outlet 12, one complete dust removal process completes.
As shown in Fig. 9 to Figure 10, for the concrete structure of second preferred embodiment of the present invention, the concrete structure of the present embodiment is essentially identical with the concrete structure of aforementioned first preferred embodiment, its institute the difference is that:
In the present embodiment, this blade 42 is S type (as shown in Figure 10), with the intensity of reinforced blade 42, it is prevented that blade 42 is deformed by rapping for a long time.
The operation principle of the present embodiment is identical with the operation principle of aforementioned first preferred embodiments, at this, operation principle of the present embodiment is not done detailed narration.
The present invention focuses on:
By arranging front hydraulic barrier and rear hydraulic barrier in rear containing cavity, air-flow is redistributed, flow velocity bust, dust has the more time of staying in multipole distribution field, the repeatedly change airflow direction of blade, improve effective contact frequency of high resistivity dust and blade, do not produce because flow velocity is extremely low to wash away, overcome the reentrainment of dust of rapping, cathode and anode spacing will not due to dust concentration size, dust collector pole dust stratification thickness and affect heteropole from change, fine grit is fully caught foot, not by the impact of dust specific resistance, effectively prevent inverse corona, Efficient Collection high resistivity dust and ultra tiny dust, improve efficiency of dust collection, ensure outlet drain concentration≤30mg/Nm reliably and with long-term3, adopt high frequency electric source or three phase mains to combine concentration of emission≤20mg/Nm steady in a long-term3；Adopt S type or splayed configuration blade simultaneously, in the confined space, add specific dust collection area, improve blade strength simultaneously, it is prevented that the accident that blade is deformed by rapping for a long time；Current engineering actual motion effect, compared with original coulomb of electric field down current arrangement and original grid pole plate down current arrangement, modified model multipole joins inversion distribution, and cleaner unit is effective improves 15～20% efficiency, and the last electric field dust removing effects after improvement is equivalent to 2～3 times of common electric field.
The above, a kind of box-like inversion high-efficiency electric dust catcher of multipole combo is only merely this engineering test preferably case study on implementation, not the structure of the present invention is done pro forma restriction, every on this basis, implement any simple modification, equivalent variations and modification, and pole plate is replaced with in the category that other form still falls within technical scheme.
Claims (5)
1. the box-like inversion high-efficiency electric dust catcher of multipole combo, it is characterised in that: include housing, common electric field positive plate, common electric field negative electrode, grid shutter positive plate, end electric field negative electrode, front hydraulic barrier and rear hydraulic barrier；The front end of this housing has gas approach, the rear end of housing has exhanst gas outlet, there is in housing the front containing cavity and rear containing cavity that communicate with each other, this front containing cavity connection gas approach, this rear containing cavity connection this common electric field positive plate of exhanst gas outlet and common electric field negative electrode may be contained within front containing cavity, common electric field positive plate is spaced parallel arrangement, and each common electric field positive plate all front and back extend, and common electric field negative electrode is distributed between the common electric field positive plate of adjacent two；Described grid shutter positive plate and end electric field negative electrode are arranged in rear containing cavity, the spaced and parallel arrangement of grid shutter positive plate, and each grid shutter positive plate all front and back extend, and end electric field negative electrode is distributed between two adjacent grid shutter positive plates；This front hydraulic barrier is separately mounted to the front end of grid shutter positive plate, and the rear of each front hydraulic barrier is formed with first passage, and the front end of this first passage is closed, the rear end connection exhanst gas outlet of first passage；Described rear hydraulic barrier is respectively arranged in the rear end of grid shutter positive plate, and the front of each rear hydraulic barrier is formed with second channel, containing cavity before the front end connection of this second channel, the back-end closure of second channel.
2. a kind of box-like inversion high-efficiency electric dust catcher of multipole combo according to claim 1, it is characterised in that: described front hydraulic barrier is triangle hydraulic barrier.
3. a kind of box-like inversion high-efficiency electric dust catcher of multipole combo according to claim 1, it is characterised in that: described rear hydraulic barrier is circular arc hydraulic barrier or is umbrella shape hydraulic barrier.
4. a kind of box-like inversion high-efficiency electric dust catcher of multipole combo according to claim 1, it is characterized in that: described grid shutter positive plate is made up of upper junction plate, blade, square tube, round steel and lower connecting plate, this upper junction plate is linked together by square tube and lower connecting plate, form a fixed support, blade upper end is fixing with upper junction plate to be connected, blade lower end is fixing with lower connecting plate to be connected, and round steel is connected through blade is fixing with the square tube on both sides；The gap of the inlet end of this grid shutter positive plate is narrowed from the width to horn outlet direction successively by loudspeaker import.
5. a kind of box-like inversion high-efficiency electric dust catcher of multipole combo according to claim 4, it is characterised in that: described vane inlet end adopts uneven distribution, impeller clearance passage and outlet employing to be evenly arranged, and blade is S type or splayed configuration blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308856.4A CN105772220A (en) | 2016-05-11 | 2016-05-11 | Multi-pole distribution combination type current inversion efficient electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308856.4A CN105772220A (en) | 2016-05-11 | 2016-05-11 | Multi-pole distribution combination type current inversion efficient electric precipitator |
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| Publication Number | Publication Date |
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| CN105772220A true CN105772220A (en) | 2016-07-20 |
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| CN201610308856.4A Pending CN105772220A (en) | 2016-05-11 | 2016-05-11 | Multi-pole distribution combination type current inversion efficient electric precipitator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583045A (en) * | 2017-01-04 | 2017-04-26 | 安徽意义环保设备有限公司 | Filtration type electric dust remover |
| CN107115970A (en) * | 2017-07-13 | 2017-09-01 | 福建欣隆环保股份有限公司 | Subregion multipole matches somebody with somebody combined type high-efficiency dust remover before and after a kind of last electric field |
| CN107282304A (en) * | 2017-07-13 | 2017-10-24 | 福建欣隆环保股份有限公司 | A kind of horizontal asymmetrical subregion inversion high-efficiency wet electric cleaner |
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| CN205815924U (en) * | 2016-05-11 | 2016-12-21 | 福建欣隆环保有限公司 | A kind of multipole combo box-like inversion high-efficiency electric dust catcher |
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| JP2008023412A (en) * | 2006-07-18 | 2008-02-07 | Fuji Electric Systems Co Ltd | Electric dust collector |
| CN101837322A (en) * | 2010-02-11 | 2010-09-22 | 金华大维电子科技有限公司 | Electrostatic electrostatic precipitator |
| CN101804384A (en) * | 2010-03-09 | 2010-08-18 | 聊城市鲁西化工工程设计有限责任公司 | Grid type transverse air-intake turbulent flow type electric dust remover |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583045A (en) * | 2017-01-04 | 2017-04-26 | 安徽意义环保设备有限公司 | Filtration type electric dust remover |
| CN107115970A (en) * | 2017-07-13 | 2017-09-01 | 福建欣隆环保股份有限公司 | Subregion multipole matches somebody with somebody combined type high-efficiency dust remover before and after a kind of last electric field |
| CN107282304A (en) * | 2017-07-13 | 2017-10-24 | 福建欣隆环保股份有限公司 | A kind of horizontal asymmetrical subregion inversion high-efficiency wet electric cleaner |
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| CB03 | Change of inventor or designer information |
Inventor after: Li Liangfang Inventor after: Wu Guoxin Inventor after: Wang Yanyuan Inventor after: Li Chunxiang Inventor before: Li Liangfang Inventor before: Wu Guoxin Inventor before: Xu Xiaolong Inventor before: Wang Yanyuan Inventor before: Li Chunxiang |
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Application publication date: 20160720 |
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| RJ01 | Rejection of invention patent application after publication |