WO2016067554A1 - Electrostatic precipitator - Google Patents
Electrostatic precipitator Download PDFInfo
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- WO2016067554A1 WO2016067554A1 PCT/JP2015/005270 JP2015005270W WO2016067554A1 WO 2016067554 A1 WO2016067554 A1 WO 2016067554A1 JP 2015005270 W JP2015005270 W JP 2015005270W WO 2016067554 A1 WO2016067554 A1 WO 2016067554A1
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- WIPO (PCT)
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- electrode plate
- charging unit
- dust
- charging
- electrostatic precipitator
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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
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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
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
-
- 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
- B03C3/41—Ionising-electrodes
Definitions
- the present invention relates to an electrostatic precipitator that charges and collects dust in a gas.
- a conventional electrostatic precipitator has a charging part and a dust collecting part.
- the charging unit applies a DC high voltage to the discharge electrode of the charging unit, generates a positive corona or a negative corona, and charges the dust passing through the charging unit with a positive or negative charge.
- the dust collecting unit collects the charged dust with a load electrode to which a direct high voltage is applied and a ground electrode plate connected to the ground.
- FIG. 14 is a configuration diagram showing a configuration of a charging unit and a dust collection unit of a conventional electric dust collector.
- the conventional electrostatic precipitator includes a charging unit 104 and a dust collecting unit 105.
- the direction in which the gas sucked into the conventional electrostatic precipitator flows is the direction from the charging unit 104 toward the dust collecting unit 105 (from left to right in FIG. 14).
- a DC high voltage of +11 kV is supplied to the charging unit 104 and +8.3 kV is supplied to the dust collecting unit 105 from a DC high voltage power source 109.
- the charging unit 104 includes a discharge wire type discharge electrode 104A and a ground electrode plate 104B.
- Such an electrostatic precipitator has a problem that the charging unit 104 consumes a large amount of power due to corona discharge.
- the present invention provides an electric dust collector that reduces power consumption at the charging unit and consumes less power.
- the electric dust collector of the present invention is a casing having a gas inflow portion and a gas outflow portion, a charging portion that is provided inside the casing and charges dust in the gas flowing between the gas inflow portion and the gas outflow portion, Is provided.
- the charging unit has a load electrode plate and a ground electrode plate, and dust is deposited on each end of the load electrode plate and the ground electrode plate by a gradient force generated by applying a high voltage to the load electrode plate. To charge the dust.
- FIG. 1 is a perspective view of the inside of a tunnel ventilation facility using the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram of a section 2-2 in FIG.
- FIG. 3 is a configuration diagram of a section 3-3 in FIG.
- FIG. 4 is a configuration diagram of the interior of the tunnel ventilation facility using the electrostatic precipitator according to Embodiment 1 of the present invention as seen through from above.
- FIG. 5 is a configuration diagram of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 6 is a conceptual diagram showing the arrangement of the electrode plates of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 1 is a perspective view of the inside of a tunnel ventilation facility using the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram of a section 2-2 in FIG.
- FIG. 3 is a configuration diagram of a section 3-3 in FIG.
- FIG. 7 is a conceptual diagram showing the arrangement of the electrode plates of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 8 is a conceptual diagram showing the electric field region of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 9A is a conceptual diagram illustrating the movement of dust in the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 9B is a conceptual diagram illustrating the movement of dust in the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 10 is a conceptual diagram showing the movement of dust in the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 11 is a side view showing the shape of the electrode plate of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 12 is an assembled perspective view showing the configuration of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 13 is an assembled perspective view showing the configuration of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 14 is a configuration diagram showing a configuration of a charging unit and a dust collection unit of a conventional electric dust collector.
- FIG. 1 is a perspective view of the inside of a tunnel ventilation facility using the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram of a section 2-2 in FIG.
- FIG. 3 is a configuration diagram of a section 3-3 in FIG.
- FIG. 4 is a configuration diagram of the interior of the tunnel ventilation facility using the electrostatic precipitator according to Embodiment 1 of the present invention as seen through from above.
- the electrostatic precipitator 3 is provided in the upper part of the tunnel main line 1 and inside the ventilation air passage 4 that connects the ventilation suction port 2 and the ventilation discharge port 6.
- a ventilation fan 5 is installed on the downstream side of the ventilation air passage 4.
- an electrostatic precipitator 7 On the side of the electrostatic precipitator 3, an electrostatic precipitator 7, a high pressure generating panel 8 for operating the electrostatic precipitator 3 and the electrostatic precipitator 7, and a control panel 9 are installed.
- the ventilation discharge port 6 is a discharge port that combines three systems.
- the wind direction shown in FIG. 5 shows the direction through which the inhaled gas flows.
- FIG. 5 is a configuration diagram of the electrostatic precipitator according to Embodiment 1 of the present invention.
- the electrostatic precipitator 3 includes a casing 10, a dust collecting unit 11 having a charging unit 12 and a dust collecting unit 13, a damper 31, a cleaning pipe 32, and a wiring terminal box 33. .
- the casing 10 is provided with a gas inflow portion 41 and a gas outflow portion 42.
- the gas inflow portion 41 is provided on the upstream side of the dust collection unit 11 and the sucked gas flows in.
- the gas outflow portion 42 is provided on the downstream side of the dust collection unit 11 and the sucked gas flows out.
- a plurality of dust collection units 11 are provided between the gas inflow portion 41 and the gas outflow portion 42 in the casing 10.
- the charging unit 12 is disposed on the gas inflow portion 41 side
- the dust collection unit 13 is disposed on the gas outflow portion 42 side.
- the damper 31 is provided on the upstream side of the dust collection unit 11.
- the damper 31 is closed when, for example, an electrode plate such as the charging unit grounding electrode plate 14 is washed with water, and prevents the water from scattering to the outside of the casing 10.
- the cleaning pipe 32 is provided in the upper part on the downstream side of the dust collection unit 11.
- the cleaning pipe 32 is formed inside the casing 10 and is a pipe for cleaning, for example, an electrode plate such as the charging unit grounding electrode plate 14 and the insulator 24 (see FIG. 12).
- the material of the cleaning pipe 32 is preferably stainless steel or resin, for example, but is not particularly limited as long as the strength can be maintained.
- the wiring terminal box 33 is provided in the lower part downstream of the dust collection unit 11.
- the wiring terminal box 33 is a box that temporarily receives the wiring from the high voltage generating board 8 (see FIG. 1), and is wired from the terminal of the wiring terminal box 33 to the charging unit 12 and the dust collecting unit 13. A high voltage is applied to the load electrode plate 15 and the dust collecting portion load electrode plate 17.
- FIG. 6 is a conceptual diagram showing the arrangement of the electrode plates of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 7 is a conceptual diagram showing the arrangement of the electrode plates of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- parallel does not mean perfect parallel, but includes substantially parallel inclined by several degrees.
- the dust collection unit 11 includes a charging unit 12 provided on the upstream side, a dust collection unit 13 provided on the downstream side, a charging unit high-voltage power source 18, and a dust-collecting unit high-voltage power source 19.
- the charging unit 12 includes a charging unit ground electrode plate 14 as an example of a ground electrode plate and a charging unit load electrode plate 15 as an example of a load electrode plate, and the charging unit ground electrode plate 14 and the charging unit load electrode plate. 15 are alternately arranged in parallel with the flow direction of the sucked gas and in a staggered manner.
- the charging unit grounding electrode plate 14 has a wind upper end portion 43 formed on the upstream side and a wind lower end portion 44 formed on the downstream side.
- the charging part load electrode plate 15 has a wind upper end part 45 formed on the upstream side and a wind lower end part 46 formed on the downstream side.
- the dust collecting unit 13 arranges the dust collecting unit ground electrode plate 16 and the dust collecting unit load electrode plate 17 in parallel to the flowing direction of the sucked gas.
- the material of the charging unit ground electrode plate 14, the charging unit load electrode plate 15, the dust collection unit ground electrode plate 16, and the dust collection unit load electrode plate 17 may be any material having conductivity, such as SUS304. 0.4 to 0.5 mm is preferable.
- the charging unit high-voltage power supply 18 charges the charging unit load electrode plate 15.
- the dust collector high-voltage power supply 19 charges the dust collector load electrode plate 17.
- FIG. 7 is a conceptual diagram showing the electrode plate arrangement of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- the depth (length) G of the charging portion ground electrode plate 14 and the depth (length) E of the charging portion load electrode plate 15 are 45 mm, respectively.
- the end portion interval g of the charging portion ground electrode plate 14 and the end portion interval e of the charging portion load electrode plate 15 are each 25 mm.
- the length L of the overlapping portion overlapping in the gas flow direction in the side view of the charging portion grounding electrode plate 14 and the charging portion load electrode plate 15 is 10 mm.
- the electrode gap D between the charging portion ground electrode plate 14 and the charging portion load electrode plate 15 is 10 mm.
- contaminated air outside the tunnel ventilation facility is sucked from the ventilation suction port 2 by the ventilation fan 5 and is discharged from the gas inlet 41 of the electrostatic dust collector 3. 3 is blown into.
- the air collected in the electrostatic precipitator 3 is discharged from the gas outflow portion 42 of the electrostatic precipitator 3 through the ventilation air passage 4 to the ventilation outlet 6.
- the electrostatic precipitator 3 charges the dust in the contaminated air sucked from the ventilation suction port 2 by the charging unit 12 of the dust collecting unit 11. Then, the charged dust is attached to the dust collector grounding electrode plate 16 and the dust collector load electrode plate 17 of the dust collector 13 to remove the dust from the contaminated air.
- the charging unit high-voltage power supply 18 is used, but corona discharge is not generated, dust is attached to the charging unit ground electrode plate 14 and the charging unit load electrode plate 15 by a gradient force and induction charging, This charges the dust. This operation will be described below with reference to FIGS.
- FIG. 8 is a conceptual diagram showing the electric field region of the charging part of the electrostatic precipitator according to Embodiment 1 of the present invention, and is an enlarged view of part A in FIG.
- FIG. 9A is a conceptual diagram illustrating the movement of dust in the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 9B is a conceptual diagram illustrating the movement of dust in the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 10 is a conceptual diagram showing the movement of dust in the electrostatic precipitator according to Embodiment 1 of the present invention.
- the gradient force refers to the force that the dielectric receives to move in the direction of a stronger electric field in an unequal electric field.
- both ends of the charging unit grounding electrode plate 14 where the electric lines of force are dense wind upper end 43 and wind lower end 44
- both ends of the charging unit load electrode plate 15 wind upper end 45
- Dust that has not been attracted to the windward upper end 45 of the charging part load electrode plate 15 passes through the region of the first unequal electric field, is attracted to the wind lower end 44 of the charging part grounding electrode plate 14, and is accumulated.
- Dust that has not been attracted to the windward lower end 44 of the charging unit grounding electrode plate 14 passes through the region of the second unequal electric field and reaches the windward upper end 43 of the second charging unit grounding electrode plate 14 from the upstream side. Attracted and deposited.
- the dust that has not been attracted to the wind upper end 43 of the second charging unit grounding electrode plate 14 from the upstream side is attracted to the wind lower end 46 of the charging unit load electrode plate 15 and accumulated.
- the charging unit ground electrode plate 14 and the charging unit load electrode plate 15 are in the vicinity of both ends (the wind upper end portion 43, the wind lower end portion 44, the wind lower end portion, except for the wind upper end portion 47 of the most upstream charging unit ground electrode plate 14).
- the electric field lines become a dense strong electric field at the upper end 45 and the lower wind end 46).
- the charging unit grounding electrode plate 14 and the charging unit load electrode plate 15 form an unequal electric field, attracting and depositing the flying dust.
- the dust deposited on both ends of the charging unit ground electrode plate 14 and the charging unit load electrode plate 15 is peeled off when a large amount of dust is deposited. At this time, it is charged to the same electrical polarity as the electrode plate attached (this charging is performed). It will be scattered again after induction charging).
- the dust accumulated on the charging portion ground electrode plate 14 is charged with a negative polarity
- the dust accumulated on the charging portion load electrode plate 15 is charged with a positive polarity and again. Scatter.
- the particles that have been charged and scattered again are collected by the electrostatic force on the surface of the charging portion ground electrode plate 14 or the charging portion load electrode plate 15.
- the dust that has passed through the charging unit 12 is respectively applied to the dust collecting unit ground electrode plate 16 and the dust collecting unit load electrode plate 17 of the dust collecting unit 13 provided on the downstream side of the charging unit 12. Attracted and collected by electrostatic force.
- the charging unit grounding electrode plate 14 and the charging unit load electrode plate 15 are alternately arranged in parallel and in a staggered manner with respect to the flowing direction of the sucked gas, thereby efficiently charging the dust by induction charging. be able to.
- the respective end portions (the wind upper end portion 43 and the wind lower end portion 44) of the charging portion ground electrode plate 14 and the charging portion load electrode plate 15 are used.
- the wind upper end 45 and the wind lower end 46) attract and deposit dust.
- the charged portion grounding electrode plate 14 or the charged portion load electrode plate 15 is charged by induction charging to the same polarity.
- the charged dust is collected on the charged part load electrode plate 15 or the charged part ground electrode plate 14 of different polarities, and the dust collecting part ground electrode plate 16 or the dust collecting part load electrode plate 17 of different polarities.
- the amount of electricity cost reduction will be estimated below using specific figures.
- the power consumption per air volume in a standard specification electrostatic precipitator using corona discharge is 110 W / (m 3 / s).
- a standard specification electrostatic precipitator using corona discharge consumes 27.5 kW / h.
- a positive high voltage is applied to the charging portion load electrode plate 15 by the charging portion high-voltage power supply 18.
- the charging unit high-voltage power supply 18 is necessary to form an electric field by a high voltage, but since it is not discharged like conventional corona discharge, no current flows and little power is consumed.
- the charging portion ground electrode plate 14 and the charging portion load electrode plate 15 forming the overlapping portion separately form an unequal electric field at each end.
- the length L of the overlapping portion is preferably equal to or greater than the electrode plate interval D between the charging portion ground electrode plate 14 and the charging portion load electrode plate 15.
- the length L of the overlapping portion is determined so that particles charged by induction charging adhere to the opposing electrode plates by electrostatic force when dust is scattered, the mobility of the charged particles in the electric field, the electrode plate spacing D, and the passage. It is calculated from the wind speed.
- the electrode gap D is 10 mm and the applied voltage is +10 kV
- the electric field strength is 1000 V / mm.
- the moving speed of the particles calculated from the mobility of the charged particles in the electric field is 10 m / s or more.
- the length L of the overlapping portion may be 10 mm which is the same as the electrode plate interval D.
- the length L of the overlapping portion is preferably equal to or greater than the electrode plate interval D between the charging portion ground electrode plate 14 and the charging portion load electrode plate 15.
- FIG. 11 is a side view showing the shape of the electrode plate of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 12 is an assembled perspective view showing the configuration of the charging unit of the electrostatic precipitator according to Embodiment 1 of the present invention.
- FIG. 13 is an assembled perspective view showing the configuration of the electrostatic precipitator according to Embodiment 1 of the present invention.
- the plurality of charged portion grounding electrode plates 14 and the plurality of charged portion load electrode plates 15 are each formed of a single metal plate. That is, a plurality of long rectangular holes 20 are provided in one metal plate, and the plurality of charging portion ground electrode plates 14 and the plurality of charging portion load electrode plates 15 are arranged at the predetermined intervals described above. ing.
- the plurality of charging portion ground electrode plates 14 and the plurality of charging portion load electrode plates 15 are connected to each other by an electrode plate interval holding tube 22 described later. For this reason, the charging portion grounding electrode plate 14 is required to be grounded only at one place, and the connection for applying a high voltage to the charging portion load electrode plate 15 is required only at one place.
- a plurality of charging unit grounding electrode plates 14 and a plurality of charging unit load electrode plates 15 are arranged while maintaining a constant interval by an electrode plate interval holding tube 22.
- a plurality of electrode plate holding rods 23 pass through each electrode plate, and are fixed in parallel between the charging unit frames 21 arranged on both sides of the charging unit 12.
- the charging unit frame 21 is provided with a lever 24.
- the insulator 24 supports the voltage application component including the charging portion load electrode plate 15 and is electrically insulated from the grounding component including the charging portion grounding electrode plate 14.
- the number of charging unit grounding electrode plates 14 and dust collecting unit grounding electrode plates 16 and the number of charging unit loading electrode plates 15 and dust collecting unit loading electrode plates 17 are approximately the same. It is arranged in parallel with. That is, in FIG. 6, four charging unit grounding electrode plates 14 and four dust collecting unit grounding electrode plates 16 are arranged, and three charging unit loading electrode plates 15 and three dust collecting unit loading electrode plates 17 are arranged. However, the charging unit ground electrode plate 14, the charging unit load electrode plate 15, the dust collecting unit ground electrode plate 16, and the dust collecting unit load electrode plate 17 may be arranged one by one. Thereby, the installation number of each electrode plate can be reduced.
- the dust collection unit 13 includes a plurality of dust collection unit grounding electrode plates 16 and a plurality of dust collection unit load electrode plates 17 fixed by an electrode plate interval holding tube 22. Arranged while keeping a distance.
- four electrode plate holding bars 23 pass through each electrode plate, and are fixed in parallel between the dust collecting unit frames 25 arranged on both sides of the dust collecting unit 13.
- the charging unit 12 and the dust collecting unit 13 are provided.
- the dust collecting unit 13 may not be provided and only the charging unit 12 may be configured. That is, in the present embodiment, the charging unit 12 and the dust collecting unit 13 are provided separately, but the charging unit 12 and the dust collecting unit 13 may be integrated into the dust collecting unit 11.
- the dust collecting unit 11 has a charging function on the upstream side, and has a dust collecting function on the downstream side of the portion having the charging function.
- sharp protrusions are further provided on the charging portion load electrode plate 15 and the charging portion grounding electrode plate 14 facing each other, and the corona discharge is used to supplement the dust. It may be configured to promote charging.
- the grounding electrode plate and the load electrode plate of the charging unit 12 and the dust collecting unit 13 are flat plate plates.
- fiber or rod plate plates may be used.
- a plurality of load electrode plates and a plurality of ground electrode plates are alternately arranged in parallel between the gas inflow portion and the gas outflow portion in a zigzag manner in the direction in which the sucked gas flows.
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Abstract
Description
まず、本発明の電気集塵装置の一例として、トンネル換気設備に使用される電気集塵装置を図1~図4を用いて説明する。 (Embodiment 1)
First, as an example of the electrostatic precipitator of the present invention, an electrostatic precipitator used in a tunnel ventilation facility will be described with reference to FIGS.
2 換気吸込口
3 電気集塵装置
4 換気風路
5 換気ファン
6 換気吐出口
7 電気集塵補機
8 高圧発生盤
9 制御盤
10 ケーシング
11 集塵ユニット
12 帯電部
13 集塵部
14 帯電部接地極板
15 帯電部荷電極板
16 集塵部接地極板
17 集塵部荷電極板
18 帯電部高圧電源
19 集塵部高圧電源
20 長四角孔
21 帯電部フレーム
22 極板間隔保持管
23 極板保持棒
24 碍子
25 集塵部フレーム
31 ダンパ
32 洗浄配管
33 配線端子箱
41 気体流入部
42 気体流出部
43,45,47 風上端部
44,46 風下端部 DESCRIPTION OF
Claims (6)
- 気体流入部および気体流出部を有するケーシングと、
前記ケーシングの内部に設けられ、前記気体流入部と前記気体流出部の間に流れる気体中の粉塵を帯電させる帯電部と、を備え、
前記帯電部は、荷電極板と接地極板とを有し、前記荷電極板に高電圧を印加することで発生するグラディエント力により前記荷電極板および前記接地極板のそれぞれの端部に前記粉塵を堆積させることで前記粉塵を帯電させる電気集塵装置。 A casing having a gas inlet and a gas outlet;
A charging unit that is provided inside the casing and charges dust in the gas flowing between the gas inflow portion and the gas outflow portion;
The charging unit includes a load electrode plate and a ground electrode plate, and the gradient electrode force generated by applying a high voltage to the load electrode plate causes the load electrode plate and the ground electrode plate to each end. An electric dust collector that charges the dust by accumulating the dust. - 前記荷電極板と前記接地極板は、前記気体の流れる方向に対して平行に配置されている請求項1に記載の電気集塵装置。 The electrostatic precipitator according to claim 1, wherein the load electrode plate and the ground electrode plate are arranged in parallel to a direction in which the gas flows.
- 前記帯電部は、前記荷電極板と前記接地極板とを複数枚有し、
複数の前記荷電極板と複数の前記接地極板は、交互に配置されている請求項2に記載の電気集塵装置。 The charging unit has a plurality of the load electrode plate and the ground electrode plate,
The electrostatic precipitator according to claim 2, wherein the plurality of load electrode plates and the plurality of ground electrode plates are alternately arranged. - 前記帯電部は、前記荷電極板と前記接地極板とを複数枚有し、
複数の前記荷電極板と複数の前記接地極板は、千鳥状に配置されている請求項1~3のいずれか1項に記載の電気集塵装置。 The charging unit has a plurality of the load electrode plate and the ground electrode plate,
The electrostatic precipitator according to any one of claims 1 to 3, wherein the plurality of load electrode plates and the plurality of ground electrode plates are arranged in a staggered manner. - 前記荷電極板と前記接地極板は、前記気体の流れる方向において重なる重なり部を有する請求項4に記載の電気集塵装置。 The electrostatic precipitator according to claim 4, wherein the load electrode plate and the ground electrode plate have an overlapping portion that overlaps in a direction in which the gas flows.
- 前記重なり部の長さは、前記荷電極板と前記接地極板の間隔より長い請求項5に記載の電気集塵装置。 The electrostatic precipitator according to claim 5, wherein a length of the overlapping portion is longer than a distance between the load electrode plate and the ground electrode plate.
Priority Applications (2)
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KR1020177010149A KR20170077123A (en) | 2014-10-29 | 2015-10-20 | Electrostatic precipitator |
JP2016556199A JP6684986B2 (en) | 2014-10-29 | 2015-10-20 | Electric dust collector |
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JP2014-220130 | 2014-10-29 | ||
JP2014220130 | 2014-10-29 |
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Cited By (1)
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WO2019087997A1 (en) * | 2017-10-30 | 2019-05-09 | パナソニックIpマネジメント株式会社 | Electrostatic precipitator |
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- 2015-10-20 KR KR1020177010149A patent/KR20170077123A/en unknown
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WO2006009187A1 (en) * | 2004-07-23 | 2006-01-26 | Matsushita Electric Industrial Co., Ltd. | Electrostatic precipitator and electrostatic precipitation systm |
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JP2014087734A (en) * | 2012-10-30 | 2014-05-15 | Panasonic Corp | Electric dust collector |
Cited By (1)
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WO2019087997A1 (en) * | 2017-10-30 | 2019-05-09 | パナソニックIpマネジメント株式会社 | Electrostatic precipitator |
Also Published As
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JPWO2016067554A1 (en) | 2017-08-10 |
JP6684986B2 (en) | 2020-04-22 |
KR20170077123A (en) | 2017-07-05 |
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