JP2001198488A - Electric precipitator - Google Patents
Electric precipitatorInfo
- Publication number
- JP2001198488A JP2001198488A JP2000011378A JP2000011378A JP2001198488A JP 2001198488 A JP2001198488 A JP 2001198488A JP 2000011378 A JP2000011378 A JP 2000011378A JP 2000011378 A JP2000011378 A JP 2000011378A JP 2001198488 A JP2001198488 A JP 2001198488A
- Authority
- JP
- Japan
- Prior art keywords
- discharge
- electrode
- dust
- plate
- dust collecting
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- 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
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/10—Ionising electrode has multiple serrated ends or parts
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電気集塵装置に関
し、特にコロナ放電を用いて空気中の微細な塵芥集塵す
る電気集塵装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrostatic precipitator, and more particularly to an electric precipitator for collecting fine dust in the air using corona discharge.
【０００２】[0002]
【従来の技術】一般に、この種の電気集塵装置では、放
電電極と集塵電極の間に高電圧を印加してコロナ放電を
発生させて、空気中の微細な塵芥を帯電させ、これをク
ーロン力により集塵電極で吸着して集塵するものとなっ
ている。このような電気集塵装置として、図８に示すよ
うな構成が考えられる。図８は従来の電気集塵装置を示
す説明図である。2. Description of the Related Art In general, in this type of electrostatic precipitator, a high voltage is applied between a discharge electrode and a precipitating electrode to generate corona discharge, thereby charging fine dust in the air and discharging the dust. The dust is collected by the dust collecting electrode by the Coulomb force. A configuration as shown in FIG. 8 is conceivable as such an electric precipitator. FIG. 8 is an explanatory view showing a conventional electric precipitator.
【０００３】同図において、放電電極８１は、周部に突
起８１Ａを有する円板形状をなしており、複数の放電電
極８１が、シャフト８３により所定間隔を持って平行に
支持されている。これら放電電極８１の周囲には、上限
に開口した円筒形状をなす集塵電極８４が配置されてお
り、各放電電極８１と集塵電極８４との間に高電圧が印
加される。これにより、集塵電極８４の内側空間すなわ
ち集塵室８５でコロナ放電が発生する。そして、集塵室
８５に送り込まれた空気８６に含まれるオイルミストや
煤煙などの塵芥が帯電して、集塵電極８４の内壁に吸着
し集塵される。[0003] In the figure, a discharge electrode 81 has a disk shape having a projection 81A on its periphery, and a plurality of discharge electrodes 81 are supported in parallel by a shaft 83 at a predetermined interval. Around the discharge electrodes 81, there are arranged cylindrical collecting electrodes 84 which are open at the upper limit, and a high voltage is applied between each discharging electrode 81 and the collecting electrode 84. As a result, corona discharge occurs in the space inside the dust collecting electrode 84, that is, in the dust collecting chamber 85. Then, dust such as oil mist and soot contained in the air 86 sent into the dust collecting chamber 85 is charged, adsorbed on the inner wall of the dust collecting electrode 84, and collected.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の電気集塵装置では、コロナ放電の乱れに起因
して効果的に集塵できないという問題点があった。コロ
ナ放電が発生する際、その放電方向へわずかな空気流が
発生することが知られており、帯電した塵芥が集塵電極
８４の内壁へ吸着する効率が、この空気流により上昇す
ると考えられる。ここで、図８にように、放電電極８１
を並列配置した場合には、放電電極８１の突起８１Ａで
のコロナ放電が、隣接する他の放電電極８１でのコロナ
放電の影響により乱れ、吸着効率を高めるような空気流
の発生を阻害しているものと思われる。本発明はこのよ
うな課題を解決するためのものであり、効果的に集塵で
きる電気集塵装置を提供することを目的としている。However, such a conventional electric precipitator has a problem that the dust cannot be collected effectively due to the disturbance of the corona discharge. It is known that when a corona discharge occurs, a slight air flow is generated in the discharge direction, and it is considered that the efficiency with which the charged dust is adsorbed on the inner wall of the dust collection electrode 84 is increased by the air flow. Here, as shown in FIG.
Are arranged in parallel, the corona discharge at the protrusion 81A of the discharge electrode 81 is disturbed by the influence of the corona discharge at the other adjacent discharge electrode 81, thereby inhibiting the generation of an air flow that increases the adsorption efficiency. It seems to be. The present invention has been made to solve such a problem, and an object of the present invention is to provide an electric dust collecting device capable of effectively collecting dust.
【０００５】[0005]
【課題を解決するための手段】このような目的を達成す
るために、本発明による電気集塵装置は、等間隔で互い
に平行して配置された板状の複数の放電電極と、前記各
放電電極の中間位置に前記放電電極と平行して配置され
た仕切板と、前記各放電電極および仕切板の周囲を取り
囲む集塵面を有する集塵電極とを備え、前記放電電極の
縁部には、コロナ放電を発生させる複数の突起が形成さ
れ、これら突起と対向する前記集塵電極の集塵面で塵芥
を集塵するようにしたものである。各突起については、
前記各放電電極間の対応する突起先端を結ぶ直線と前記
各放電電極が並ぶ方向とが平行となるようにそれぞれ配
置するようにしてもよい。In order to achieve the above object, an electric precipitator according to the present invention comprises: a plurality of plate-like discharge electrodes arranged in parallel at equal intervals; A partition plate arranged in parallel with the discharge electrode at an intermediate position between the electrodes, and a dust collecting electrode having a dust collecting surface surrounding each of the discharge electrodes and the partition plate, and an edge of the discharge electrode In addition, a plurality of protrusions for generating corona discharge are formed, and dust is collected on a dust collecting surface of the dust collecting electrode opposed to these protrusions. For each projection,
The discharge electrodes may be arranged such that a straight line connecting the corresponding protrusion tips between the discharge electrodes and a direction in which the discharge electrodes are arranged are parallel.
【０００６】放電電極の１つとこれに隣接した仕切板の
１つを、１枚の板材によって構成してもよい。この板材
は、その縁部に放電電極として機能する複数の突起部
と、仕切板として機能する仕切部が形成されており、こ
れら突起部と仕切部は、前記板材を放電電極および仕切
板として平行配置したとき、その突起部と仕切部とが板
材の並ぶ方向で交互に位置するように配置されていれば
よい。One of the discharge electrodes and one of the partition plates adjacent to the discharge electrodes may be formed of a single plate. In this plate material, a plurality of protrusions functioning as discharge electrodes and a partition functioning as a partition plate are formed at the edge thereof, and these protrusions and the partition portion are formed by using the plate material in parallel as a discharge electrode and a partition plate. When they are arranged, it is only necessary that the projections and the partitions are arranged alternately in the direction in which the plate members are arranged.
【０００７】各放電電極および各仕切板については、シ
ャフトにより支持し、このシャフトは、シャフト上端が
絶縁部材を介して固定されており、シャフト下端が開放
されている片持支持構造で支持してもよい。集塵電極に
ついては、複数に分割し、この分割された１つを、開閉
自在に支持するようにしてもよい。Each discharge electrode and each partition plate are supported by a shaft, and the shaft is supported by a cantilever support structure in which the upper end of the shaft is fixed via an insulating member and the lower end of the shaft is open. Is also good. The dust collecting electrode may be divided into a plurality of parts, and one of the divided parts may be openably and closably supported.
【０００８】[0008]
【発明の実施の形態】次に、本発明について図面を参照
して説明する。図１は本発明の第１の実施の形態である
電気集塵装置を示す構成図である。同図において、放電
電極１は、周部に突起１Ａを有する円板形状をなしてお
り、複数の放電電極１が、シャフト３により所定間隔を
もって平行に支持されている。また、各放電電極１の中
間位置には、シャフト３により円板形状の仕切板２が放
電電極１と同電位で放電電極１と平行に支持されてい
る。Next, the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing an electric precipitator according to a first embodiment of the present invention. In FIG. 1, the discharge electrode 1 has a disk shape having a protrusion 1 </ b> A on the periphery, and a plurality of discharge electrodes 1 are supported by a shaft 3 in parallel at a predetermined interval. A disk-shaped partition plate 2 is supported by a shaft 3 at an intermediate position between the discharge electrodes 1 at the same potential as the discharge electrodes 1 and in parallel with the discharge electrodes 1.
【０００９】これら放電電極１および仕切板２の周囲に
は、上下に開口した円筒形状をなす集塵電極４が配置さ
れており、各放電電極１および仕切板２と集塵電極４と
の間に高電圧が印加される。これにより、集塵電極４の
内側空間すなわち集塵室５でコロナ放電が発生する。そ
して、集塵室５に送り込まれた空気６に含まれるオイル
ミストや煤煙などの塵芥が帯電して、突起１Ａと対向す
る集塵電極４の内壁すなわち集塵面４Ａに吸着し集塵さ
れる。[0009] Around the discharge electrode 1 and the partition plate 2, there is disposed a cylindrical dust collection electrode 4 having a vertically opened cylindrical shape, and is provided between each discharge electrode 1 and the partition plate 2 and the dust collection electrode 4. Is applied with a high voltage. As a result, corona discharge occurs in the space inside the dust collecting electrode 4, that is, in the dust collecting chamber 5. Then, dust such as oil mist and soot contained in the air 6 sent into the dust collecting chamber 5 is charged, and is adsorbed on the inner wall of the dust collecting electrode 4 facing the projection 1A, that is, the dust collecting surface 4A to be collected. .
【００１０】コロナ放電の際、図２に示すような空気流
が発生する。図２は空気流の発生状況を示す説明図であ
り、（ａ）は上面図、（ｂ）は側面断面図である。放電
電極１の突起１Ａと集塵電極４との間でコロナ放電が発
生した場合、集塵電極４の内壁すなわち突起１Ａと対向
する集塵面４Ａに向けて突起１Ａからわずかな空気流７
が発生する。At the time of corona discharge, an air flow as shown in FIG. 2 is generated. FIGS. 2A and 2B are explanatory diagrams showing the state of generation of an air flow. FIG. 2A is a top view, and FIG. 2B is a side sectional view. When corona discharge occurs between the projection 1A of the discharge electrode 1 and the dust collecting electrode 4, a slight air flow 7 from the projection 1A toward the inner wall of the dust collecting electrode 4, that is, the dust collecting surface 4A facing the projection 1A.
Occurs.
【００１１】ここで、仕切板２の周縁部は滑らかな曲線
で形成されているため、仕切板２ではコロナ放電が発生
せず、各放電電極１Ａの間に配置された仕切板２によ
り、突起１Ａからのコロナ放電が、他の放電電極１Ａで
のコロナ放電の影響を受けにくくなる。したがって、各
突起１Ａから集塵面４Ａに向けて、上下左右にほぼ均等
な空気流７が発生する。これにより、集塵室５に送り込
まれた空気６に含まれるオイルミストや煤煙などの塵芥
の吸着効率を高めることができる。Here, since the peripheral edge of the partition plate 2 is formed with a smooth curve, corona discharge does not occur in the partition plate 2 and the partition plate 2 disposed between the discharge electrodes 1A protrudes. Corona discharge from 1A becomes less susceptible to corona discharge from other discharge electrodes 1A. Therefore, substantially uniform air flows 7 are generated in the vertical and horizontal directions from each projection 1A toward the dust collecting surface 4A. Thus, the efficiency of adsorbing dust such as oil mist and soot contained in the air 6 sent into the dust collection chamber 5 can be increased.
【００１２】放電電極１の突起１Ａについては、図３に
示すように、放電電極１相互間で突起１Ａの位置を揃え
ても良い。図３は放電電極の突起配置を示す説明図であ
る。この例では、各放電電極１間で対応する突起１Ａの
先端を結ぶ直線１Ｂと、各放電電極１が並ぶ方向１Ｃと
が平行するように、各放電電極１の突起１Ａが配置され
ている。これにより、各突起１Ａから集塵面４Ａに向け
て発生する空気流の乱れが、さらに減少し、塵芥の吸着
効率をさらに高めることができる。As shown in FIG. 3, the protrusions 1A of the discharge electrodes 1 may be aligned between the discharge electrodes 1. FIG. 3 is an explanatory view showing the arrangement of protrusions of the discharge electrode. In this example, the projections 1A of the respective discharge electrodes 1 are arranged such that the straight line 1B connecting the tips of the corresponding projections 1A between the respective discharge electrodes 1 and the direction 1C in which the respective discharge electrodes 1 are arranged are parallel. Thereby, the turbulence of the air flow generated from each projection 1A toward the dust collecting surface 4A is further reduced, and the dust absorbing efficiency can be further increased.
【００１３】次に、図４を参照して、本発明の第２の実
施の形態について説明する。図４は第２の実施の形態に
よる電気集塵装置を示す構成図である。前述した第１の
実施の形態（図１参照）では、放電電極１の概略形状お
よび集塵電極４の筒断面を円形状とした場合について説
明したが、ここではこれら形状を長方形とした場合につ
いて説明する。Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 4 is a configuration diagram showing an electric precipitator according to a second embodiment. In the above-described first embodiment (see FIG. 1), the case where the schematic shape of the discharge electrode 1 and the cross section of the cylinder of the dust collecting electrode 4 are circular has been described. explain.
【００１４】図４において、ハウジング本体２１は、前
後に開口部を有する筒体から構成されており、それぞの
開口部の一端に設けられた蝶番２２を介してカバー２１
Ａ，２１Ｂが回動自在に支持されている。ハウジング本
体２１の対向する側板２１Ｃ，２１Ｄのうち、側板２１
Ｃの下部には塵芥を含んだ空気を取り込む取込口２３が
設けられている。また、側板２１Ｄの中央付近には浄化
された空気を排出する排出口２７が設けられている。In FIG. 4, a housing body 21 is formed of a cylindrical body having an opening at the front and rear, and a cover 21 is provided via a hinge 22 provided at one end of each opening.
A and 21B are rotatably supported. Of the opposed side plates 21C and 21D of the housing body 21, the side plate 21
An intake port 23 for taking in air containing dust is provided at a lower portion of C. A discharge port 27 for discharging purified air is provided near the center of the side plate 21D.
【００１５】ハウジング本体２１内側の下部には、仕切
板２４が水平に取り付けられており、この仕切板２５と
ハウジング本体２１、カバー２１Ａ，２１Ｂにより、下
部気室２５が形成されている。下部気室２５内には、仕
切板２４と平行して整流板２５Ａが取り付けられてい
る。整流板２５Ａには多数の穴が設けられており、取込
口２３から取り込んだ空気１６Ａはここで整流され、仕
切板２４に設けられた穴を介して後述の集塵室１５へ供
給される。A partition plate 24 is mounted horizontally below the inside of the housing body 21, and a lower air chamber 25 is formed by the partition plate 25, the housing body 21, and the covers 21A and 21B. In the lower air chamber 25, a rectifying plate 25A is attached in parallel with the partition plate 24. A large number of holes are provided in the current plate 25A, and the air 16A taken in from the intake port 23 is rectified here, and is supplied to the dust collection chamber 15 described later through the holes provided in the partition plate 24. .
【００１６】ハウジング本体２１内側のほぼ中央には、
仕切板２４の上面と接するようにして、集塵電極１４が
配置されている。この集塵電極１４は、上下に開口部を
有し筒断面が長方形の筒体をなしている。集塵電極１４
は、それぞれの蝶番２２に近い縦辺角部で断面Ｌ字型に
２つに分割されており、支持部材１８を介してカバー２
１Ａ，２１Ｂの内壁にそれぞれ取り付けられている。こ
の集塵電極１４に囲まれた内側空間が集塵室１５とな
る。At substantially the center inside the housing body 21,
The dust collecting electrode 14 is arranged so as to be in contact with the upper surface of the partition plate 24. The dust collecting electrode 14 has an opening at the top and bottom and has a tubular body having a rectangular section. Dust collection electrode 14
Is divided into two parts in an L-shaped cross section at the corners of the vertical sides near the hinges 22, and the cover 2 is
They are attached to the inner walls of 1A and 21B, respectively. The inner space surrounded by the dust collecting electrode 14 becomes a dust collecting chamber 15.
【００１７】集塵室１５内には、複数の放電電極１１お
よび仕切板１２が、６本のシャフト１３により、それぞ
れ等間隔で水平方向にそれぞれ支持されている。放電電
極１１および仕切板１２は、概略長方形の平板形状をな
しており、その端部にコロナ放電を発生させるための突
起が設けられている。これら放電電極１１および仕切板
１２と集塵電極１４との間に高電圧を印加することによ
りコロナ放電が発生して、空気１６Ａに含まれる塵芥が
帯電し、集塵電極１４の内壁へ吸着して空気１６Ａが浄
化される。In the dust collecting chamber 15, a plurality of discharge electrodes 11 and partition plates 12 are horizontally supported at equal intervals by six shafts 13, respectively. The discharge electrode 11 and the partition plate 12 have a substantially rectangular flat plate shape, and are provided with protrusions at their ends for generating corona discharge. When a high voltage is applied between the discharge electrode 11 and the partition plate 12 and the dust collecting electrode 14, a corona discharge is generated, and the dust contained in the air 16 </ b> A is charged and adheres to the inner wall of the dust collecting electrode 14. Thus, the air 16A is purified.
【００１８】浄化された空気１６Ｂは、集塵電極１４の
上側開口部から集塵室１５外側の上部気室２６へ排出さ
れる。上部気室２６は、集塵電極１４の外壁とハウジン
グ本体２１、カバー２１Ａ，２１Ｂ、仕切板２４，２８
から形成されている。仕切板２８はハウジング本体２１
内側であって排出口２７の上端位置に、水平に取り付け
られている。空気１６Ｂは、この上部気室２６を介して
排出口２７から装置外部へ排出される。The purified air 16B is discharged from an upper opening of the dust collecting electrode 14 to an upper air chamber 26 outside the dust collecting chamber 15. The upper air chamber 26 includes an outer wall of the dust collection electrode 14, the housing body 21, covers 21A and 21B, and partition plates 24 and 28.
Is formed from. The partition plate 28 is provided on the housing body 21.
It is mounted horizontally inside and at the upper end of the outlet 27. The air 16B is discharged from the outlet 27 to the outside of the apparatus through the upper air chamber 26.
【００１９】ハウジング本体２１内側の上部には、支持
板３０が水平方向に取り付けられており、この支持板３
０の下側面には５つの絶縁部材（ガイシ）３２を介し
て、電極支持板３１が電気的に絶縁された状態で取り付
けられている。この電極支持板３１には、放電電極１１
および仕切板１２を支持する各シャフト１３の上端が電
極絶縁部材１３Ａを介して、仕切板２９，２８を貫通し
て吊り下げられている。A support plate 30 is horizontally mounted on the upper portion inside the housing body 21.
The electrode support plate 31 is attached to the lower surface of the battery 0 through five insulating members (insulators) 32 in a state of being electrically insulated. The electrode support plate 31 has the discharge electrodes 11
The upper end of each shaft 13 supporting the partition plate 12 is suspended through the partition plates 29 and 28 via the electrode insulating member 13A.
【００２０】各シャフト１３の下端は開放されており、
各シャフト１３は片持支持構造で支持されている。仕切
板２９は、電極支持板３１と仕切板２８との間に、仕切
板２８と平行して取り付けられており、空気１６Ｂの流
入を抑制している。このようにシャフト１３の上端を電
極絶縁部材１３Ａにより片持支持するようにしたので、
オイルミストを集塵する際であっても、集塵したオイル
ミストが下方に垂れるため、絶縁不良を起こすことがな
い。The lower end of each shaft 13 is open,
Each shaft 13 is supported by a cantilever support structure. The partition plate 29 is attached between the electrode support plate 31 and the partition plate 28 in parallel with the partition plate 28, and suppresses the inflow of the air 16B. As described above, since the upper end of the shaft 13 is cantilevered by the electrode insulating member 13A,
Even when collecting the oil mist, the collected oil mist drips downward, so that insulation failure does not occur.
【００２１】図５は放電電極および仕切板を示す説明図
である。ここでは放電電極１１と仕切板１２とが、図５
（ａ）に示す１つ板材１０から構成されている。この板
材の外形は、概略長方形をなしており、その縁部に放電
電極１１として機能する突起からなる突起部１０Ａと仕
切板１２として機能する直線周縁からなる仕切部１０Ｂ
とが形成されている。これら突起部１０Ａおよび仕切部
１０Ｂは、板材１０を放電電極１１および仕切板１２と
して平行配置したとき、その突起部１０Ａおよび仕切部
１０Ｂが板材の並ぶ方向で交互に位置するように配置さ
れている。FIG. 5 is an explanatory view showing a discharge electrode and a partition plate. Here, the discharge electrode 11 and the partition plate 12 are
It is composed of one plate member 10 shown in FIG. The outer shape of the plate material is substantially rectangular, and at its edges, a projection 10A formed of a projection functioning as a discharge electrode 11 and a partition portion 10B formed of a linear peripheral edge functioning as a partition plate 12.
Are formed. When the plate material 10 is arranged in parallel as the discharge electrode 11 and the partition plate 12, the protrusions 10A and the partition portions 10B are arranged such that the protrusion portions 10A and the partition portions 10B are alternately positioned in the direction in which the plate materials are arranged. .
【００２２】板材１０を放電電極１１および仕切板１２
として用いる場合、図５（ｂ）に示すように、双方の板
材１０を１８０゜回転させて配置すればよい。このと
き、辺５１Ａ，５１Ｂ（５２Ａ，５２Ｂ）側では、放電
電極１１の突起部１０Ａでコロナ放電が発生し、その仕
切部１０Ｂにより他の放電電極１１の突起部１０Ａでの
コロナ放電の影響が抑制される。一方、辺５１Ｃ，５１
Ｄ（５２Ｃ，５２Ｄ）側では、仕切板１２の突起部１０
Ａでコロナ放電が発生し、その仕切部１０Ｂにより他の
仕切板１２の突起部１０Ａでのコロナ放電の影響が抑制
される。The plate 10 is divided into a discharge electrode 11 and a partition plate 12.
In this case, as shown in FIG. 5B, both plate members 10 may be arranged by being rotated by 180 °. At this time, on the sides 51A, 51B (52A, 52B), a corona discharge occurs at the protrusion 10A of the discharge electrode 11, and the partition 10B prevents the influence of the corona discharge at the protrusion 10A of the other discharge electrode 11. Is suppressed. On the other hand, sides 51C, 51
On the D (52C, 52D) side, the projections 10 of the partition plate 12
Corona discharge occurs at A, and the influence of the corona discharge on the projection 10A of the other partition plate 12 is suppressed by the partition portion 10B.
【００２３】このように、板材１０の縁部に突起部１０
Ａと仕切部１０Ｂとを形成することにより、１つの板材
１０を放電電極１１と仕切板１２で兼用でき、製造コス
トを削減できる。なお、前述した図１と同様に、放電電
極１１にだけ突起を設け、仕切板１２として単純な長方
形の平板を用いてもよい。As described above, the protrusion 10
By forming A and the partition portion 10B, one plate member 10 can be shared by the discharge electrode 11 and the partition plate 12, and the manufacturing cost can be reduced. Note that, similarly to FIG. 1 described above, a projection may be provided only on the discharge electrode 11, and a simple rectangular flat plate may be used as the partition plate 12.
【００２４】板材１０での突起部１０Ａの配置パターン
については、図６に示すように、放電電極１１相互間で
突起部１０Ａの位置を揃えても良い。図６は放電電極の
突起配置を示す説明図である。この例では、各放電電極
１１の突起部１０Ａの先端を結ぶ直線１０Ｃと、各放電
電極１１が並ぶ方向１１Ｃとが平行するように、各突起
部１０Ａが配置されている。これにより、前述の図３と
同様に、各突起部１０Ａから集塵電極１４へ向けて発生
する空気流の乱れが、さらに減少し、塵芥の吸着効率を
さらに高めることができる。仕切板１２の突起部１０Ａ
についても同様の作用効果が得られる。As for the arrangement pattern of the projections 10A on the plate material 10, the positions of the projections 10A may be aligned between the discharge electrodes 11 as shown in FIG. FIG. 6 is an explanatory view showing the arrangement of protrusions of the discharge electrode. In this example, the projections 10A are arranged such that a straight line 10C connecting the tips of the projections 10A of the discharge electrodes 11 and a direction 11C in which the discharge electrodes 11 are arranged are parallel. Thereby, similarly to FIG. 3 described above, the turbulence of the air flow generated from each projection 10A toward the dust collecting electrode 14 is further reduced, and the dust absorbing efficiency can be further increased. Projection 10A of partition plate 12
And the same operation and effect can be obtained.
【００２５】集塵電極１４については、図７に示すよう
に、電極１４Ａ，１４Ｂの２つに分割され、取付部材１
８を介してカバー２１Ａ，２１Ｂに取り付けられてい
る。図７は集塵電極の取り付けを示す説明図である。こ
のように、回動自在のカバー２１Ａ，２１Ｂに、集塵電
極１４を分割して取り付けることにより、集塵電極１４
の内壁すなわち集塵面に吸着した塵芥を容易に掃除する
ことができる。The dust collecting electrode 14 is divided into two electrodes 14A and 14B as shown in FIG.
8 are attached to the covers 21A and 21B. FIG. 7 is an explanatory view showing the attachment of the dust collection electrode. As described above, the dust collecting electrode 14 is divided and attached to the rotatable covers 21A and 21B, so that the dust collecting electrode 14 is formed.
The dust adsorbed on the inner wall, that is, the dust collecting surface can be easily cleaned.
【００２６】[0026]
【発明の効果】以上説明したように、本発明は、等間隔
で互いに平行して配置された板状の複数の放電電極と、
前記各放電電極の中間位置に前記放電電極と平行して配
置された仕切板と、前記各放電電極および仕切板の周囲
を取り囲む集塵面を有する集塵電極とを備え、前記放電
電極の縁部には、コロナ放電を発生させる複数の突起が
形成され、これら突起と対向する前記集塵電極の集塵面
で塵芥を集塵するようにしたので、突起からのコロナ放
電が、他の放電電極でのコロナ放電の影響を受けにくく
なり、各突起から集塵面に向けて、上下左右にほぼ均等
な空気流が発生させることができ、オイルミストや煤煙
などの塵芥の吸着効率を高めることができる。As described above, according to the present invention, a plurality of plate-like discharge electrodes arranged in parallel at equal intervals are provided.
A partition plate disposed at an intermediate position between the discharge electrodes and in parallel with the discharge electrodes; and a dust collection electrode having a dust collection surface surrounding the periphery of each of the discharge electrodes and the partition plate. A plurality of protrusions for generating corona discharge are formed in the portion, and dust is collected on the dust collecting surface of the dust collecting electrode opposed to these protrusions, so that the corona discharge from the protrusion causes another discharge. It is less susceptible to corona discharge at the electrodes, and can generate an approximately uniform airflow from top to bottom and left and right from each projection to the dust collection surface, improving the adsorption efficiency of dust such as oil mist and soot. Can be.
【図１】 本発明の第１の実施の形態による電気集塵装
置を示す構成図である。FIG. 1 is a configuration diagram showing an electric precipitator according to a first embodiment of the present invention.
【図２】 空気流の発生状況を示す説明図である。FIG. 2 is an explanatory diagram showing a state of generation of an air flow.
【図３】 放電電極の突起配置を示す説明図である。FIG. 3 is an explanatory view showing a projection arrangement of a discharge electrode.
【図４】 本発明の第２の実施の形態による電気集塵装
置を示す構成図である。FIG. 4 is a configuration diagram showing an electric precipitator according to a second embodiment of the present invention.
【図５】 放電電極および仕切板を示す説明図である。FIG. 5 is an explanatory view showing a discharge electrode and a partition plate.
【図６】 放電電極の突起配置を示す説明図である。FIG. 6 is an explanatory diagram showing a projection arrangement of a discharge electrode.
【図７】 集塵電極の取り付けを示す説明図である。FIG. 7 is an explanatory view showing attachment of a dust collecting electrode.
【図８】 従来の電気集塵装置を示す構成図である。FIG. 8 is a configuration diagram showing a conventional electric precipitator.
１，１１…放電電極、１Ａ，１１Ａ…突起、２，１２…
仕切板、３，１３…シャフト、４，１４，１４Ａ，１４
Ｂ…集塵電極、４Ａ…集塵面、５，１５…集塵室、６，
１６Ａ…空気（集塵前）、１６Ｂ…空気（集塵後）、７
…空気流、１０…板材、１０Ａ…突起部、１０Ｂ…仕切
部、１３Ａ…電極絶縁部材、１８…取付部材、２１…ハ
ウジング、２１Ａ，２１Ｂ…カバー、２１Ｃ，２１Ｄ…
側板、２２…蝶番、２３…取込口、２４…仕切板、２５
…下部気室、２５Ａ…整流板、２６…上部気室、２７…
排出口、２８，２９…仕切板、３０…支持板、３１…電
極支持板、３２…絶縁部材、５１Ａ〜５１Ｄ…辺（放電
電極）、５２Ａ〜５２Ｄ…辺（仕切板）。1,11 ... discharge electrode, 1A, 11A ... projection, 2,12 ...
Partition plate, 3,13 ... shaft, 4,14,14A, 14
B: dust collecting electrode, 4A: dust collecting surface, 5, 15: dust collecting chamber, 6,
16A: air (before dust collection), 16B: air (after dust collection), 7
... Air flow, 10 ... Plate material, 10A ... Protrusion, 10B ... Partition, 13A ... Electrode insulating member, 18 ... Mounting member, 21 ... Housing, 21A, 21B ... Cover, 21C, 21D ...
Side plate, 22: hinge, 23: intake, 24: partition, 25
... lower air chamber, 25A ... current plate, 26 ... upper air chamber, 27 ...
Discharge ports, 28, 29: partition plate, 30: support plate, 31: electrode support plate, 32: insulating member, 51A to 51D: side (discharge electrode), 52A to 52D: side (partition plate).
Claims (5)
してコロナ放電を発生させることにより空気中の微細な
塵芥を帯電させて集塵電極で吸着集塵する電気集塵装置
において、 等間隔で互いに平行して配置された板状の複数の放電電
極と、 前記各放電電極の中間位置に前記放電電極と平行して配
置された仕切板と、 前記各放電電極および仕切板の周囲を取り囲む集塵面を
有する集塵電極とを備え、 前記放電電極の縁部には、コロナ放電を発生させる複数
の突起が形成され、これら突起と対向する前記集塵電極
の集塵面で塵芥を集塵することを特徴とする電気集塵装
置。An electrostatic precipitator that applies a high voltage between a discharge electrode and a dust collection electrode to generate corona discharge to charge fine dust in the air and to adsorb and collect the dust at the dust collection electrode. A plurality of plate-shaped discharge electrodes arranged in parallel with each other at equal intervals; a partition plate arranged in parallel with the discharge electrode at an intermediate position between the discharge electrodes; and a discharge plate and a partition plate. A dust collecting electrode having a dust collecting surface surrounding the periphery, a plurality of protrusions for generating a corona discharge are formed at an edge of the discharge electrode, and the dust collecting surface of the dust collecting electrode facing the protrusions. An electric precipitator that collects dust.
結ぶ直線と前記各放電電極が並ぶ方向とが平行となるよ
うにそれぞれ配置されていることを特徴とする電気集塵
装置。2. The electrostatic precipitator according to claim 1, wherein each of the projections is such that a straight line connecting a tip of a corresponding projection between the discharge electrodes and a direction in which the discharge electrodes are arranged are parallel to each other. An electric precipitator, which is arranged.
１枚の板材によって構成され、この板材の縁部に放電電
極として機能する突起部と、仕切板として機能する仕切
部が形成されており、 これら突起部と仕切部は、前記板材を放電電極および仕
切板として平行配置したとき、その突起部と仕切部とが
板材の並ぶ方向で交互に位置するように配置されている
ことを特徴とする電気集塵装置。3. The electrostatic precipitator according to claim 1, wherein one of the discharge electrodes and one of the partition plates adjacent thereto are:
It is constituted by one plate material, and a projection functioning as a discharge electrode and a partition functioning as a partition plate are formed on an edge portion of the plate material. An electrostatic precipitator, wherein, when arranged in parallel as a partition plate, the projections and the partition portion are arranged alternately in a direction in which the plate members are arranged.
され、 このシャフトは、シャフト上端が絶縁部材を介して固定
されており、シャフト下端が開放されている片持支持構
造で支持されていることを特徴とする電気集塵装置。4. The electrostatic precipitator according to claim 1, wherein each of the discharge electrodes and each of the partition plates are supported by a shaft, wherein the upper end of the shaft is fixed via an insulating member, and the lower end of the shaft. An electrostatic precipitator characterized by being supported by a cantilevered support structure that is open.
は、開閉自在に支持されていることを特徴とする電気集
塵装置。5. The electrostatic precipitator according to claim 1, wherein the precipitating electrode is divided into a plurality of parts, and one of the divided parts is supported to be freely opened and closed. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000011378A JP4271810B2 (en) | 2000-01-20 | 2000-01-20 | Electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000011378A JP4271810B2 (en) | 2000-01-20 | 2000-01-20 | Electric dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001198488A true JP2001198488A (en) | 2001-07-24 |
| JP4271810B2 JP4271810B2 (en) | 2009-06-03 |
Family
ID=18539247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000011378A Expired - Fee Related JP4271810B2 (en) | 2000-01-20 | 2000-01-20 | Electric dust collector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4271810B2 (en) |
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| DE10244051C1 (en) * | 2002-09-21 | 2003-11-20 | Karlsruhe Forschzent | Ionizer used in an exhaust gas purification device for moist gases comprises a nozzle plate connected to an electrical reference potential, and a high voltage electrode grid connected in the flow direction |
| DE102005045010B3 (en) * | 2005-09-21 | 2006-11-16 | Forschungszentrum Karlsruhe Gmbh | Electrostatic ionization stage within a separator for aerosol particles has high-voltage electrode located downstream from gas jet inlet |
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| FR2927550A1 (en) * | 2008-02-19 | 2009-08-21 | Commissariat Energie Atomique | ELECTROSTATIC FILTRATION DEVICE USING OPTIMIZED EMISSIVE SITES. |
| BE1018620A5 (en) * | 2008-12-23 | 2011-05-03 | Genano Benelux N V | AIR PURIFICATION METHOD AND APPARATUS. |
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| US7101424B2 (en) * | 2002-09-21 | 2006-09-05 | Forschungszentrum Karlsruhe Gmbh | Ionizer and use thereof in an exhaust gas purifying system for moisture-laden gases |
| DE10244051C1 (en) * | 2002-09-21 | 2003-11-20 | Karlsruhe Forschzent | Ionizer used in an exhaust gas purification device for moist gases comprises a nozzle plate connected to an electrical reference potential, and a high voltage electrode grid connected in the flow direction |
| US7517394B2 (en) | 2005-05-21 | 2009-04-14 | Forschungszentrum Karlsruhe Gmbh | Wet electrostatic Ionising step in an electrostatic deposition device |
| WO2006125485A1 (en) * | 2005-05-21 | 2006-11-30 | Forschungszentrum Karlsruhe Gmbh | Wet electrostatic ionising step in an electrostatic deposition device |
| US7621986B2 (en) | 2005-09-21 | 2009-11-24 | Forschungszentrum Karlsruhe Gmbh | Electrostatic ionization system |
| DE102005045010B3 (en) * | 2005-09-21 | 2006-11-16 | Forschungszentrum Karlsruhe Gmbh | Electrostatic ionization stage within a separator for aerosol particles has high-voltage electrode located downstream from gas jet inlet |
| FR2927550A1 (en) * | 2008-02-19 | 2009-08-21 | Commissariat Energie Atomique | ELECTROSTATIC FILTRATION DEVICE USING OPTIMIZED EMISSIVE SITES. |
| WO2009103704A2 (en) * | 2008-02-19 | 2009-08-27 | Commissariat A L'energie Atomique | Device for electrostatic filtering using optimised emissive sites |
| WO2009103704A3 (en) * | 2008-02-19 | 2009-11-12 | Commissariat A L'energie Atomique | Device for electrostatic filtering using optimised emissive sites |
| US8518163B2 (en) | 2008-02-19 | 2013-08-27 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Electrostatic filtering device using optimized emissive sites |
| KR101178999B1 (en) | 2008-08-11 | 2012-08-31 | 강원대학교산학협력단 | Odor removal system and method using Pulsed Corona Discharge |
| BE1018620A5 (en) * | 2008-12-23 | 2011-05-03 | Genano Benelux N V | AIR PURIFICATION METHOD AND APPARATUS. |
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