JPH07256144A - Electrostatic precipitator - Google Patents
Electrostatic precipitatorInfo
- Publication number
- JPH07256144A JPH07256144A JP5147694A JP5147694A JPH07256144A JP H07256144 A JPH07256144 A JP H07256144A JP 5147694 A JP5147694 A JP 5147694A JP 5147694 A JP5147694 A JP 5147694A JP H07256144 A JPH07256144 A JP H07256144A
- Authority
- JP
- Japan
- Prior art keywords
- dust collecting
- bus bar
- power supply
- electrostatic precipitator
- bushing
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Electrostatic Separation (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば自動車道路のト
ンネル内空気の浄化に使用する電気集じん装置、特にそ
の高電圧給電回路の組立構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrostatic precipitator used, for example, for cleaning air in a tunnel of an automobile road, and more particularly to an assembly structure of a high voltage power supply circuit thereof.
【０００２】[0002]
【従来の技術】頭記したトンネル用の電気集じん機が、
例えば特開平４−２４４２４９号公報に開示されて公知
である。図４はかかる電気集じん機（水洗浄方式）の構
成概要図であり、電気集じん機はトンネルの迂回ずい道
内に設置されており、集じん機本体は、ユニットケース
１の集じん室内に帯電部２，集じん部３，水洗浄ノズル
４，入口ダンパ５，出口ダンパ６などを組み込んで構成
されている。ここで、帯電部２，集じん部３は機外の高
電圧電源７から給電される。また、水洗浄ノズル４は給
水配管４ａ，送水ポンプ８を介して洗浄水源に接続され
ており、定期的に給電を停止し、かつ入口，出口ダンパ
５，６を閉じた上で水洗浄ノズル４より帯電部２，集じ
ん部３に洗浄水を吹付けて電極板に堆積している煤じん
を洗い落とすようにしている。なお、９は水洗浄により
生じた煤じんドレンの回収，処理装置である。2. Description of the Related Art The electric dust collector for tunnels mentioned above
For example, it is disclosed and disclosed in JP-A-4-244249. Fig. 4 is a schematic diagram of the configuration of such an electric dust collector (water washing method). The electric dust collector is installed inside the bypass road of the tunnel, and the dust collector body is inside the dust chamber of the unit case 1. The charging unit 2, the dust collecting unit 3, the water cleaning nozzle 4, the inlet damper 5, the outlet damper 6 and the like are incorporated. Here, the charging unit 2 and the dust collecting unit 3 are fed from a high voltage power source 7 outside the machine. Further, the water washing nozzle 4 is connected to a washing water source via a water supply pipe 4a and a water feed pump 8, stops power supply at regular intervals, and closes the inlet and outlet dampers 5 and 6 and then the water washing nozzle 4 Further, cleaning water is sprayed on the charging section 2 and the dust collecting section 3 to wash off the soot and dust accumulated on the electrode plate. Reference numeral 9 is a device for collecting and treating soot and dust drain generated by washing with water.
【０００３】次に、前記構成の電気集じん機で、外部の
高電圧電源７と機内の帯電部２，集じん部３との間に配
線した高電圧給電回路の従来構造を図５に示す。図にお
いて、１０は前記帯電部２，集じん部３と個々に対応し
て電気集じん機の機内に分散して組み込んだ密閉形の給
電端子箱であり、該端子箱１０には機外の高電圧電源７
に接続した給電ケーブル１１の端末部１１ａを引き込
み、この端子箱内で貫通ブッシング１２と給電ケーブル
１１との間を接続し、さらに、ブッシング１２の他端に
接続した分岐ブスバー１３を介して帯電部２，集じん部
３の電極に給電（帯電部の給電電圧：１１ＫＶ，集じん
部の給電電圧：5.５ＫＶ）を行うようにしている。な
お、１４は機内の別な箇所に配置した端子箱との間に配
線した渡り接続用の給電ケーブルである。Next, FIG. 5 shows a conventional structure of a high voltage power supply circuit which is wired between the external high voltage power source 7 and the charging section 2 and dust collecting section 3 in the machine in the electric dust collector of the above construction. . In the figure, 10 is a sealed type power supply terminal box which is dispersedly incorporated into the inside of the electric dust collector corresponding to the charging unit 2 and the dust collecting unit 3, respectively. High voltage power supply 7
The terminal portion 11a of the power supply cable 11 connected to the power supply cable 11 is pulled in, the through bushing 12 and the power supply cable 11 are connected in the terminal box, and the charging portion is connected via the branch bus bar 13 connected to the other end of the bushing 12. 2. Power is supplied to the electrodes of the dust collecting portion 3 (feeding voltage of the charging portion: 11 KV, feeding voltage of the dust collecting portion: 5.5 KV). Reference numeral 14 is a power supply cable for a transitional connection, which is wired between a terminal box arranged at another place inside the machine.
【０００４】[0004]
【発明が解決しようとする課題】ところで、前記した従
来構造の給電回路を水洗浄式電気集じん機に採用した場
合には、次記のような問題が派生する。すなわち、集じ
ん部３で捕集した煤塵を水洗浄する場合には、集じん室
内には洗浄水が飛沫となって飛散し、かつ室内雰囲気の
湿度も１００％の状態になる。このために、機内に組み
込んだ給電端子箱１０を密閉構造で構成しても、完全に
水分，湿気の侵入を阻止することができず、長期稼働の
間には給電ケーブル１１の端末部分が湿気を帯び、これ
が引金となって給電ケーブル１１の絶縁劣化，短絡焼損
事故う引き起こすおそれがある。By the way, when the above-mentioned conventional power feeding circuit is adopted in the water-cleaning type electrostatic precipitator, the following problems arise. That is, when the dust collected in the dust collecting part 3 is washed with water, the washing water is splashed and scattered in the dust collecting chamber, and the humidity of the indoor atmosphere becomes 100%. For this reason, even if the power supply terminal box 10 incorporated in the machine is constructed in a sealed structure, it is not possible to completely prevent the ingress of moisture and humidity, and the terminal portion of the power supply cable 11 becomes damp during long-term operation. This may cause a deterioration of insulation of the power supply cable 11 and a short circuit burn accident.
【０００５】本発明は上記の点にかんがみなされたもの
であり、その目的は前記課題を解決し、水洗浄方式に十
分耐える信頼性の高い電気集じん装置、特にその高電圧
給電回路の組立構造を提供することにある。The present invention has been made in view of the above points, and an object thereof is to solve the above problems and to provide a highly reliable electrostatic precipitator that can sufficiently withstand a water washing method, particularly, an assembling structure of its high voltage power supply circuit. To provide.
【０００６】[0006]
【課題を解決するための手段】前記目的を達成するため
に、本発明の電気集じん装置においては、帯電部，集じ
ん部を収容したユニットケースの集じん室内に給電用ブ
スバーを引回し配線し、かつ該ブスバーを磁器碍子を介
してフレームに絶縁支持するとともに、前記集じん室と
隔離してユニットケースのベース内に仕切った配線スペ
ースに外部の高電圧源に接続した給電ケーブルを引き込
み、該給電ケーブルと集じん室内に配線した前記の給電
用ブスバーとの間を、ベース上に据付けた貫通ブッシン
グ，およびベース内に布設したブスバーを介して相互接
続するものとする。In order to achieve the above object, in the electrostatic precipitator of the present invention, a power supply bus bar is routed in a dust collecting chamber of a unit case accommodating the charging section and the dust collecting section. In addition, the bus bar is insulated and supported by the frame through a porcelain insulator, and a power supply cable connected to an external high voltage source is drawn into a wiring space separated from the dust collection chamber and partitioned in the base of the unit case, The power supply cable and the power supply bus bar wired in the dust collection chamber are interconnected via a through bushing installed on the base and a bus bar installed in the base.
【０００７】また、前記構成は、次記のような具体的な
構造で実施することができる。 （１）集じん室内に引回し配線した給電用ブスバーを不
燃性絶縁材で被覆する。 （２）集じん室内に配置した磁器碍子，および貫通ブッ
シングに対して、その近傍に洗浄水配管から分岐した水
洗浄ノズルを対向配備する。Further, the above structure can be implemented by a concrete structure as described below. (1) The non-combustible insulating material covers the power supply bus bar that is laid out and wired in the dust collecting chamber. (2) For the porcelain insulator and the through bushing arranged in the dust collecting chamber, a water washing nozzle branched from the washing water pipe is provided in the vicinity of the porcelain insulator and the through bushing.
【０００８】（３）ベース上に据付けた貫通ブッシング
を包囲して集じん室内に接地電位の感電防止用金属遮へ
い体を設置する。(3) A metal shield for preventing electric shock of ground potential is installed in the dust collecting chamber by surrounding the through bushing installed on the base.
【０００９】[0009]
【作用】上記構成において、帯電部，集じん部への給電
は、給電ケーブル，貫通ブッシング，給電用ブスバーを
経て行われる。ここで、給電ケーブルは集じん室から隔
離したユニットケースのベース内で貫通ブッシングに接
続されているので、水洗浄に伴う水飛沫，湿気の影響を
受けて絶縁劣化などの支障う来すおそれが全くない。さ
らに、集じん室内には給電端子箱が必要なく、集じん室
内に引回して布設したブスバーを介して帯電部，集じん
部の電極に直接配線が行えるので配線の施工が簡単とな
る。In the above structure, power is supplied to the charging section and the dust collecting section through the power supply cable, the through bushing and the power supply bus bar. Here, since the power supply cable is connected to the through bushing in the base of the unit case that is isolated from the dust collection room, there is a risk that it will be affected by water splashes and moisture associated with water cleaning, which may cause insulation deterioration. Not at all. Further, since a power supply terminal box is not required in the dust collecting chamber, and wiring can be performed directly to the electrodes of the charging unit and the dust collecting unit via the bus bar that is laid inside the dust collecting chamber and installed, the wiring construction becomes simple.
【００１０】また、集じん室内に布設したブスバーを不
燃性絶縁材で被覆することにより、ブスバーと機内の構
築物（アース電位）との間が接近しても十分な絶縁耐力
を確保できるので、それだけ配線ルート上での制約が緩
和されるほか、万一の火災に対しても高い安全性が確保
できる。さらに、塵埃濃度の高い集じん室内に設置した
磁器碍子，ブッシングに水洗浄ノズルを対向配備し、定
期的に碍子，ブッシングを水洗浄することで絶縁低下を
防止できる。Further, by covering the bus bar laid in the dust collecting chamber with a non-combustible insulating material, sufficient dielectric strength can be secured even if the bus bar and the structure (ground potential) inside the machine are close to each other. In addition to relaxing the restrictions on the wiring route, it is possible to secure high safety in case of a fire. Further, a water washing nozzle is provided opposite to the porcelain insulator and bushing installed in the dust collecting chamber having a high dust concentration, and the insulator and bushing can be regularly washed with water to prevent insulation deterioration.
【００１１】[0011]
【実施例】以下、本発明の実施例を図１ないし図３に基
づいて説明する。なお、実施例の図中で図４，図５に対
応する同一部材には同じ符号が付してある。まず、図１
において、ユニットケース１の集じん室１ａには帯電部
２，集じん部３が複数基ずつ組み込まれており、またユ
ニットケース１のベース１ｂの後部には集じん室１ａと
隔離して仕切られた配線スペース１ｃが画成され、その
前方が水洗浄のドレン受け部１ｄして使われている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. In the drawings of the embodiments, the same members corresponding to FIGS. 4 and 5 are designated by the same reference numerals. First, Fig. 1
In the dust collecting chamber 1a of the unit case 1, a plurality of charging units 2 and dust collecting units 3 are incorporated, and the rear of the base 1b of the unit case 1 is separated from the dust collecting chamber 1a. A wiring space 1c is defined, and the front part thereof is used as a drain receiving portion 1d for washing with water.
【００１２】ここで、前記したベース内の配線スペース
１ｃに対して、ベース１ｂの上板には帯電部２，集じん
部３にそれぞれ対応する２本の貫通ブッシング（耐圧１
１ＫＶ，5.５ＫＶ）１５が設置されており、かつ配線ス
ペース１ｃの内部にて前記貫通ブッシング１５と外部の
高電圧電源７より配線スペース内に引き込んだ給電ケー
ブル７（１１ＫＶ用と5.５ＫＶ用の２本のケーブル）と
の間が磁器碍子１６で支持したブスバー１７を介して接
続されている。さらに、集じん室１ａには、前記貫通ブ
ッシング１５に一端を接続した給電用ブスバー１８が図
示のような配線ルートに引回し配線して各帯電部２，集
じん部３の電極と接触金具（図示せず）を介して接続さ
れており、かつ該給電用ブスバー１８は配線ルート上の
要所で磁器碍子１９を介して支持フレーム２０に絶縁支
持されている。そして、ブスバー１８は、図２（ａ),
（ｂ）で示すように磁器碍子１９の先端に取付けた接続
金具１９ａにねじ止めされている。また、図２（ｃ）は
裸導体１８ａの周面に例えばアルミナなどのセラミック
系の不燃性絶縁被覆１８ｂを被着させたブスバー１８を
構造を示す。Here, with respect to the wiring space 1c in the base described above, two through bushings (withstand voltage 1) corresponding to the charging portion 2 and the dust collecting portion 3 are provided on the upper plate of the base 1b.
1KV, 5.5KV) 15 is installed, and the power supply cable 7 (for 11KV and 5.5KV) drawn into the wiring space from the through bushing 15 and the external high voltage power source 7 inside the wiring space 1c. Are connected to each other via a bus bar 17 supported by a porcelain insulator 16. Further, in the dust collecting chamber 1a, a power feeding bus bar 18 having one end connected to the through bushing 15 is routed and wired to a wiring route as shown in the drawing, and the electrodes of each charging unit 2 and dust collecting unit 3 and contact metal fittings ( (Not shown), and the power supply bus bar 18 is insulated and supported by a support frame 20 via a porcelain insulator 19 at a point on the wiring route. The bus bar 18 is shown in FIG.
As shown in (b), the porcelain insulator 19 is screwed to a connecting fitting 19a attached to the tip thereof. Further, FIG. 2C shows a structure of a bus bar 18 in which a ceramic-based nonflammable insulating coating 18b such as alumina is adhered to the peripheral surface of the bare conductor 18a.
【００１３】また、帯電部２，集じん部３の水洗浄用配
管とは別に、集じん室内には図示のようなルートで給水
配管２１が引回し配管されおり、かつ該給水配管２１に
は先記した磁器碍子１９，貫通ブッシング１５に対向す
る水洗浄ノズル２２が設けてある。なお、２３は帯電部
２，集じん部３に組み込まれた電極支持用碍子（図示せ
ず）に向けて洗浄水を吹付けるノズルである。In addition to the water cleaning pipes of the charging unit 2 and the dust collecting unit 3, a water supply pipe 21 is routed in the dust collecting chamber by a route as shown in the drawing, and the water supply pipe 21 is connected to the water supply pipe 21. A water washing nozzle 22 facing the above-mentioned porcelain insulator 19 and through bushing 15 is provided. Reference numeral 23 is a nozzle for spraying cleaning water toward an electrode supporting insulator (not shown) incorporated in the charging unit 2 and the dust collecting unit 3.
【００１４】さらに、保守，点検などで集じん室内に入
った保守員の感電事故を防止するために、前記した貫通
ブッシング１５，および該ブッシングから立ち上がる給
電用ブスバー１８を取り囲んで、集じん室内には金網で
構成した接地電位の金属遮へい体２４が設置されてい
る。なお、図３は金属遮へい体２５の設置状態を表す外
観図である。Further, in order to prevent an electric shock accident of a maintenance person who enters the dust collecting chamber for maintenance, inspection, etc., it is surrounded by the through bushing 15 and the power supply bus bar 18 rising from the bushing and is placed in the dust collecting chamber. Is provided with a metal shield 24 of a ground potential constituted by a wire mesh. Note that FIG. 3 is an external view showing the installation state of the metal shield 25.
【００１５】前記構成において、帯電部２，集じん部３
への高電圧の給電は、高電圧電源７より給電ケーブル１
１，貫通ブッシング１５，給電用ブスバー１８を経て行
われる。また、塵埃濃度の高い集じん室内に配置されて
いる貫通ブッシング１５，磁器碍子１９に対しては、給
水配管２１，水洗浄ノズル２２を通じて定期的に洗浄水
を吹付け、ブッシング，碍子表面を洗い流して塵埃など
の汚染による絶縁低下を防ぐようにする。この場合に、
ベース１ｂの中に仕切った配線スペース１ｃは集じん室
１ａと隔離した密閉構造となっているので、水洗浄に伴
って集じん室内に飛散する水滴，ないしは集じん室内に
充満した湿気が水が配線スペース１ｃの中に侵入して給
電ケーブル１１の端末を濡らすおそれはなく、これによ
り給電ケーブル１１の湿気による絶縁劣化，焼損事故を
回避できる。なお、洗浄水の排水ドレンは帯電部，集じ
ん部に堆積したダストの水洗浄と同様に、集じん室１ａ
からベース１ｂのドレン受け部１ｄを経て外部に排水さ
れた後、適宜に処理される。In the above structure, the charging section 2 and the dust collecting section 3
High-voltage power supply to the high-voltage power supply 7 from the power supply cable 1
1, through bushing 15, and power supply bus bar 18. Further, for the through bushing 15 and the porcelain insulator 19 arranged in the dust collecting chamber having a high dust concentration, cleaning water is regularly sprayed through the water supply pipe 21 and the water cleaning nozzle 22 to rinse the bushing and the insulator surface. To prevent deterioration of insulation due to contamination such as dust. In this case,
The wiring space 1c partitioned in the base 1b has a closed structure that is isolated from the dust collection chamber 1a, so that water droplets scattered in the dust collection chamber due to water cleaning, or the moisture filled in the dust collection chamber is not covered by water. There is no possibility that it will enter the wiring space 1c and wet the end of the power supply cable 11, so that insulation deterioration and burnout accidents due to moisture of the power supply cable 11 can be avoided. The drainage of the cleaning water is the same as in the case of cleaning the dust accumulated on the charging section and the dust collecting section with water.
After being drained to the outside through the drain receiving portion 1d of the base 1b, it is appropriately treated.
【００１６】[0016]
【発明の効果】以上述べたように、本発明の構成によれ
ば、従来の電気集じん機における高電圧給電回路の配線
構造で問題となっていた、水洗浄に伴う給電ケーブルの
絶縁劣化，短絡焼損事故を防止して信頼性の向上が図れ
るほか、集じん室内における給電回路配線作業の施工が
簡単になるなどの実益が得られる。As described above, according to the configuration of the present invention, the insulation deterioration of the power supply cable due to the water washing, which has been a problem in the wiring structure of the high voltage power supply circuit in the conventional electrostatic precipitator, In addition to preventing short-circuit burnout accidents and improving reliability, there are practical benefits such as simplifying the construction of the power supply circuit wiring work in the dust collection room.
【００１７】また、集じん室内に布設したブスバーを不
燃性絶縁材で被覆することにより、ブスバーと機内の構
築物（アース電位）との間が接近しても十分な絶縁耐力
を確保できるので、それだけ配線ルート上での制約が緩
和されるほか、万一の火災に対しても高い安全性が確保
できる。さらに、塵埃濃度の高い集じん室内に設置した
磁器碍子，ブッシングに水洗浄ノズルを対向配備し、定
期的に碍子，ブッシングを水洗浄することで塵埃などの
汚染による碍子の絶縁低下を防止できる。Further, by covering the bus bar laid in the dust collecting chamber with a non-combustible insulating material, sufficient dielectric strength can be secured even if the bus bar and the structure (ground potential) inside the machine are close to each other. In addition to relaxing the restrictions on the wiring route, it is possible to secure high safety in case of a fire. Further, by arranging the water washing nozzle opposite to the porcelain insulator and bushing installed in the dust collecting chamber having a high dust concentration and periodically washing the insulator and bushing with water, it is possible to prevent the insulator from lowering its insulation due to contamination with dust or the like.
【図１】本発明の実施例による電気集じん装置内での高
電圧給電回路の構成配置図FIG. 1 is a structural layout diagram of a high-voltage power supply circuit in an electrostatic precipitator according to an embodiment of the present invention.
【図２】図１における給電用ブスバーの絶縁支持構造を
示す図であり、（ａ）は側面図、（ｂ）は正面図、
（ｃ）は絶縁被覆を施したブスバーの拡大断面図2A and 2B are views showing an insulating support structure of the power supply bus bar in FIG. 1, in which FIG. 2A is a side view, FIG.
(C) is an enlarged cross-sectional view of a bus bar with an insulation coating.
【図３】図１における金属遮へい体の配置状態を示す外
観図FIG. 3 is an external view showing an arrangement state of the metal shield in FIG.
【図４】トンネル用電気集じん機の構成概要図[Fig. 4] Schematic diagram of the configuration of an electric dust collector for a tunnel
【図５】図４における高電圧給電回路の従来構造図5 is a conventional structural diagram of the high-voltage power supply circuit in FIG.
１ ユニットケース １ａ 集じん室 １ｂ ベース １ｃ 配線スペース ２ 帯電部 ３ 集じん部 ７ 高電圧電源 １１ 給電ケーブル １５ 貫通ブッシング １８ 給電用ブスバー １８ｂ 不燃性絶縁被覆 １９ 磁器碍子 ２０ フレーム ２１ 給水配管 ２２ 水洗浄ノズル ２４ 金属遮へい体 1 Unit Case 1a Dust Collection Room 1b Base 1c Wiring Space 2 Charging Part 3 Dust Collection Part 7 High Voltage Power Supply 11 Power Supply Cable 15 Through Bushing 18 Power Supply Busbar 18b Non-flammable Insulation Coating 19 Porcelain Insulator 20 Frame 21 Water Supply Piping 22 Water Cleaning Nozzle 24 Metal shield
Claims (4)
スの集じん室内に給電用ブスバーを引回し配線し、かつ
該ブスバーを磁器碍子を介してフレームに絶縁支持する
とともに、前記集じん室と隔離してユニットケースのベ
ース内に仕切った配線スペースに外部の高電圧源に接続
した給電ケーブルを引き込み、該給電ケーブルと集じん
室内に配線した前記の給電用ブスバーとの間を、ベース
上に据付けた貫通ブッシングを介して接続したことを特
徴とする電気集じん装置。1. A dust collecting chamber of a unit case accommodating a charging section and a dust collecting section, a power supply bus bar is laid around and wired, and the bus bar is insulated and supported by a frame via a porcelain insulator, and the dust collecting room is also provided. The power supply cable connected to an external high-voltage source is drawn into the wiring space that is separated from the power supply cable and is connected to the power supply busbar that is wired in the dust collection room on the base. An electrostatic precipitator characterized by being connected through a through bushing installed on the.
集じん室内に引回し配線した給電用ブスバーを不燃性絶
縁材で被覆したことを特徴とする電気集じん装置。2. The electrostatic precipitator according to claim 1,
An electrostatic precipitator in which a bus bar for power supply, which is laid out and wired in a dust collecting room, is covered with a nonflammable insulating material.
集じん室内に配置した磁器碍子，および貫通ブッシング
に対して、その近傍に水洗浄ノズルを対向配備したこと
を特徴とする電気集じん装置。3. The electrostatic precipitator according to claim 1,
An electrostatic precipitator which is characterized in that a water washing nozzle is provided in the vicinity of a porcelain insulator and a through bushing arranged in a dust collecting chamber in the vicinity thereof.
ベース上に据付けた貫通ブッシングを包囲して集じん室
内に接地電位の感電防止用金属遮へい体を設置したこと
を特徴とする電気集じん装置。4. The electrostatic precipitator according to claim 1,
An electrostatic precipitator comprising a through-hole bushing installed on a base and a metal shield for preventing electric shock at ground potential installed inside the dust collecting room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5147694A JP3214215B2 (en) | 1994-03-23 | 1994-03-23 | Electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5147694A JP3214215B2 (en) | 1994-03-23 | 1994-03-23 | Electric dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07256144A true JPH07256144A (en) | 1995-10-09 |
| JP3214215B2 JP3214215B2 (en) | 2001-10-02 |
Family
ID=12888012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5147694A Expired - Lifetime JP3214215B2 (en) | 1994-03-23 | 1994-03-23 | Electric dust collector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3214215B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017164695A (en) * | 2016-03-16 | 2017-09-21 | 富士電機株式会社 | Electric dust collector |
| JP2021028055A (en) * | 2019-08-09 | 2021-02-25 | 住友金属鉱山エンジニアリング株式会社 | Bus-bar, power supply structure, and electrostatic precipitator |
-
1994
- 1994-03-23 JP JP5147694A patent/JP3214215B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017164695A (en) * | 2016-03-16 | 2017-09-21 | 富士電機株式会社 | Electric dust collector |
| JP2021028055A (en) * | 2019-08-09 | 2021-02-25 | 住友金属鉱山エンジニアリング株式会社 | Bus-bar, power supply structure, and electrostatic precipitator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3214215B2 (en) | 2001-10-02 |
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