JPS60209273A - Two-stage electrical dust collector - Google Patents
Two-stage electrical dust collectorInfo
- Publication number
- JPS60209273A JPS60209273A JP59065504A JP6550484A JPS60209273A JP S60209273 A JPS60209273 A JP S60209273A JP 59065504 A JP59065504 A JP 59065504A JP 6550484 A JP6550484 A JP 6550484A JP S60209273 A JPS60209273 A JP S60209273A
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- Prior art keywords
- dust
- section
- high voltage
- charging
- discharge electrode
- Prior art date
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Abstract
Description
【発明の詳細な説明】
本発明は帯電部と集じん部よりなる二段式電気集じん装
置の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a two-stage electrostatic precipitator comprising a charging section and a dust collecting section.
従来の電気毎じん装置(以下EPという)はダスト抵抗
が高くなりその固有抵抗値が1011〜1010I20
−を越える様になると、集じん極に堆積したダスト層内
での絶縁破壊、いわゆる逆電離現象を生じるため、捕集
性が大巾に低下する欠点がある。従って石炭火力用ある
いは焼結機用EPなどの高抵抗ダストを取扱う場合には
、一般に捕集性の低下を補うためEP容量を大きくせざ
るを得ない。Conventional electric dust evaporators (hereinafter referred to as EP) have a high dust resistance and a specific resistance value of 1011 to 1010I20.
If it exceeds -, dielectric breakdown within the dust layer deposited on the dust collecting electrode, a so-called reverse ionization phenomenon, occurs, resulting in a drawback that the collection performance is greatly reduced. Therefore, when handling high-resistance dust such as EP for coal-fired power plants or sintering machines, it is generally necessary to increase the EP capacity to compensate for the decrease in collection performance.
このため、高抵抗ダスト対策として種々の改善の試みが
なされており、その1つとして空気清浄器などで広く実
用化されている2段階式EP(Two stage E
P)、すなわちダストに荷電を与える帯電部と高電界で
ダストを集しんする集じん部とに分け、高電界部で電流
を極力少なくすることにより逆電離を抑制する方法(逆
電離の始発条件はPd X id≧EdCであり、ダス
ト抵抗Pdが高くてもダスト層を流れる電流1dが少な
ければダスト層の破壊耐圧Edcを越えない。)を一般
産業用へ適用しようとする試みがある。For this reason, various attempts have been made to improve measures against high-resistance dust, one of which is two stage EP (Two stage EP), which is widely used in air purifiers.
P), that is, a method in which reverse ionization is suppressed by dividing the dust into a charging part that charges the dust and a dust collecting part that collects dust with a high electric field, and reducing the current as much as possible in the high electric field part (initiating conditions for reverse ionization). (Pd
しかしこの場合もダストの帯電部における逆電離の抑制
が難しく、現在いろいろな方式が試みられている。However, in this case as well, it is difficult to suppress reverse ionization in the charged part of the dust, and various methods are currently being tried.
例えば、パイプを電極として使用し、パイプの中に水を
流すことによシミ極を冷却し、ダストの電気抵抗を下げ
逆電離を抑制する方式、あるいはまた集じん極と放電極
の間に第3の電極を設け、逆電離時に発生する逆極性の
イオンを吸収することによシ逆電離を抑制しようとする
第3電極方式などがある。For example, a method that uses a pipe as an electrode and cools the stain electrode by flowing water through the pipe to lower the electrical resistance of dust and suppress reverse ionization, or a method that uses a pipe between the dust collection electrode and the discharge electrode. There is a third electrode method that attempts to suppress reverse ionization by providing three electrodes and absorbing ions of opposite polarity generated during reverse ionization.
また、荷電制御の工夫により、逆電離を起こすことなく
ダストに電荷のみを与えるボクサーチャージャと称する
粒子荷電装置(特許願昭和52年第106400号他)
なども提案されている。In addition, by improving charge control, we have developed a particle charging device called a boxer charger that only charges dust without causing reverse ionization (Patent Application No. 106400 of 1977, etc.).
etc. have also been proposed.
しかしこれらの方法はいずれも一般産業用の商用規模で
の実曇化が困難なため、実用化には至っていない。However, none of these methods has been put into practical use because it is difficult to achieve actual clouding on a commercial scale for general industry.
一方、荷電制御により従来の形式のEPの性能向上をは
かる試みとしてパルス荷電方式、すなわち瞬間的にパル
ス状の高電圧を印加することにより高いピーク電圧を印
加し、かつ一様な電流を得ることによシ集じん効率を高
める方法があるが、この場合もパルス電源の価格の問題
及び電力消費量の低減をいかに行なうかといつた問題点
がある。On the other hand, in an attempt to improve the performance of the conventional type of EP through charge control, a pulse charging method is used, that is, a high peak voltage is applied by instantaneously applying a pulsed high voltage, and a uniform current is obtained. There are other ways to improve the dust collection efficiency, but in this case as well, there are problems such as the price of the pulse power source and how to reduce power consumption.
ところで、第1図〜第5図に示す従来形EPでは第1図
に示す直流高電圧発生装置3a、3bより第2図及び第
3図に示す集じん極1及び放電極2に高電圧が印加され
ると第4図に示す様に、正常時には(a)の様な電流電
圧特性を示し、このため高い電流電圧が印加された条件
で運転出来るため、高い捕集性が得られるが、高抵抗ダ
ストの集じんにより逆電離発生時には(b)の様な特性
となり、運転電圧は低く、また有効な運転電流もP2で
抑えられるため(それ以上は逆電離部での無効電流とし
て消費される)、捕集性が低下する。By the way, in the conventional EP shown in FIGS. 1 to 5, high voltage is applied from the DC high voltage generators 3a and 3b shown in FIG. 1 to the dust collection electrode 1 and the discharge electrode 2 shown in FIGS. 2 and 3. When applied, as shown in Fig. 4, under normal conditions it exhibits current-voltage characteristics as shown in (a), and therefore, it can be operated under conditions where high current and voltage are applied, resulting in high collection performance. When reverse ionization occurs due to the collection of high-resistance dust, the characteristics shown in (b) occur, the operating voltage is low, and the effective operating current is suppressed by P2 (any more than that is consumed as a reactive current in the reverse ionization section). ), the collection performance decreases.
このため、第1図に示すように直流高電圧装置aa、3
bにカップリングコンデンサ9c、9dを介してパルス
高電圧装置8C,8a f追設することにより第4図に
おいて点線(h)で示すように荷電特性を変化させ、パ
ルス荷電が持つ一様な放電特性を利用してより高い運転
電流密度で運転することにより性能改善を図る方法も考
えられる。For this reason, as shown in FIG.
By adding pulse high voltage devices 8C and 8a to b via coupling capacitors 9c and 9d, the charging characteristics are changed as shown by the dotted line (h) in Fig. 4, and the uniform discharge of pulse charging is achieved. It is also possible to consider a method of improving performance by utilizing the characteristics and operating at a higher operating current density.
しかしながら従来形のEPの場合には、それぞれのフィ
ールドでダストの帯電及集じんを一緒に行なうため、あ
る程度放電特性の良い例えば第5−図の(イ)(ロ)(
ハ)に示す様なトゲ付あるいはに)(ホ)に示すような
曲率半径の小さい放電極2(d=1〜3闘0)より構成
されているため、パルス荷電を重畳してもダストの帯電
に有効な電流を増大することは出来るが、集じんに有効
な電界の増大は期待することが出来ず、大巾な改善は望
めない。However, in the case of conventional EP, dust is charged and collected at the same time in each field, so the discharge characteristics are good to some extent, such as (a), (b), and (b) in Figure 5.
Since it is composed of a discharge electrode 2 (d = 1 to 3 to 0) with spikes as shown in (c) or a small radius of curvature as shown in (e) (d = 1 to 3 to 0), even if pulse charging is superimposed, dust will not be generated. Although it is possible to increase the current effective for charging, it is not possible to expect an increase in the electric field effective for collecting dust, and no significant improvement can be expected.
また、パルス荷電をEPの全フィールドに荷電すること
により、パルス発生装置のコストが高くなること、及び
パルス電圧発生のための手段としてエネルギーを波形成
形抵抗でジュール熱として消耗させる場合には消費電力
も多くなる等多くの欠点があった。In addition, charging the entire field of the EP with pulse charges increases the cost of the pulse generator, and when energy is consumed as Joule heat by a waveform shaping resistor as a means for generating pulse voltage, power consumption is required. There were many drawbacks, such as an increase in the number of
本発明は上記従来の欠点に鑑みて提案されたもので、主
としてダストに電荷を与える帯電部と、主としてダスト
を集しんする集じん部より構成された二段式電気集じん
装置において、帯電部に均一断面を有する放電極を用い
、該放電極に直流高電圧とパルス高電圧を重畳して印加
するように構成したことを特徴とするものである。The present invention has been proposed in view of the above-mentioned drawbacks of the conventional art. The present invention is characterized in that a discharge electrode having a uniform cross section is used, and a direct current high voltage and a pulsed high voltage are applied to the discharge electrode in a superimposed manner.
すなわち本発明は、通常の直流高電圧を印加した場合に
はコロナ開始電圧が高く電流を流しにくい特性を有する
均一な断面からなる放電極と、極板表面に高い一様な電
界を構成しうる集じん極の組合せにおいて、両極間に直
流高電圧と数101s〜数100/78のパルス巾を有
するパルス高電圧を重畳することにより、高抵抗ダスト
においても高い電界強度を維持しつつ高い電流密度が得
られる性質に着目し、当該部を主としてダストの帯電部
として利用し、後続する直流高電界を印加する荷電区分
を集じん部分として利用することにより両者の組合せに
より、全体として経済的にパルス電源を利用し、かつコ
ンパクトで高性能の電気集じん装置を提供するものであ
る。In other words, the present invention has a discharge electrode with a uniform cross section that has a high corona initiation voltage and is difficult to pass current when a normal high DC voltage is applied, and a discharge electrode that can create a high uniform electric field on the surface of the electrode plate. In the combination of dust collecting electrodes, by superimposing a DC high voltage and a pulsed high voltage having a pulse width of several 101 seconds to several 100/78 seconds between the two electrodes, a high current density can be achieved while maintaining a high electric field strength even in high resistance dust. By focusing on the property of obtaining dust, this part is used mainly as a charged part for dust, and the subsequent charged section to which a high DC electric field is applied is used as a part for collecting dust.The combination of the two enables economical pulse generation as a whole. This provides a compact, high-performance electrostatic precipitator that uses a power source.
以下本発明を第6図〜第11図に示す実施例に基づいて
具体的に説明する。The present invention will be specifically explained below based on the embodiments shown in FIGS. 6 to 11.
第6図及び第7図に示すように、EPの構成は帯電部6
と集じん部7に′より構成され、それらの組合せは第9
図に示すように帯電部十集じん部あるいは帯電部十集じ
ん部十集じん部々どの組合せ例が単数あるいは複数にて
構成されている。As shown in FIGS. 6 and 7, the configuration of the EP is as follows:
and ' in the dust collection part 7, and their combination is the ninth
As shown in the figure, examples of combinations such as a charging section and a dust collecting section or a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a collecting section and a dust collecting section and a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a charging section and a dust collecting section and a charging section and a charging section and a charging section and a charging section and a charging section and a dust collecting section and a charging section and a charging section and a charging section and a charging section and a dust collecting section and a plurality of charging sections and a plurality of dust collecting sections, respectively.
なお帯電部6は第11図に示す(イ)の様に3〜10酊
の丸線あるいは(ロ)の様に4〜10朋の角線あるいは
、または、それらと類似の形状で勾さ方向に均一な断面
を有する(ハ)に)で示すような放電極4と第8図に示
すように凹凸が少なくその表面に一様な電界を構成しう
る例えば平板あるいは丸形などの集じん極1aより構成
され、両電極4−1a間には第6図に示す直流高電圧発
生装置3c及び3fにより直流高電圧が印加され、さら
にカップリングコンデンサ9a、9bを介してパルス電
圧発生装置sa、sbにより供給される数IQns〜数
100μsのパルス高電圧が重畳して印加されるように
なっている。The charging portion 6 is formed of a round wire of 3 to 10 mm as shown in (a) in FIG. The discharge electrode 4 shown in (c) has a uniform cross section, and the dust collection electrode 4, such as a flat plate or round shape, has few irregularities and can form a uniform electric field on its surface as shown in Fig. 8. 1a, a DC high voltage is applied between both electrodes 4-1a by DC high voltage generators 3c and 3f shown in FIG. 6, and pulse voltage generators sa, Pulse high voltages of several IQns to several 100 μs supplied by sb are applied in a superimposed manner.
また集じん部7については通常の従来広く用いられてい
る集じん極と放電極の組合せでも前述の帯電部6との組
合せにおいて効果があるが、より効果的な組合せとして
は第8図に示すように放電極5のガス流れ方向のピッチ
を小さくするか、あるいはまた放電極5の曲率半径(放
電極上して丸形以外の放電極を使用する場合には等価の
曲率半径)を大きくするなどして出来るだけ高い電圧を
得られる様な放電極5と集じん極1bの組合せが考えら
れる。Regarding the dust collection section 7, the conventional and widely used combination of a dust collection electrode and a discharge electrode is also effective in combination with the aforementioned charging section 6, but a more effective combination is shown in Fig. 8. Either reduce the pitch of the discharge electrodes 5 in the gas flow direction, or increase the radius of curvature of the discharge electrodes 5 (equivalent radius of curvature if a discharge electrode other than round is used on the discharge electrode). A combination of the discharge electrode 5 and the dust collecting electrode 1b can be considered so as to obtain the highest possible voltage.
本発明の電気集じん装着は上記のように構成されている
ので、通常の直流高電圧を印加した状態では第10図の
(c)または(d)に示す様に高電界形であるが電流が
流れない、あるいは非常に流れにくい特性を示す放電極
4と集じん極1aの組合せより成る帯電部6に、パルス
高電圧を重畳することにより、高抵抗ダストでも(、)
の様に高い電界強度を維持しつつ比較的高い電流密度を
得られる電流電圧特性が得られるため、ダストに高い電
荷を与えることが可能となる。Since the electrostatic precipitator of the present invention is constructed as described above, when a normal DC high voltage is applied, it is a high electric field type as shown in FIG. 10 (c) or (d), but the current By superimposing a pulsed high voltage on the charged part 6, which is made up of a combination of a discharge electrode 4 and a dust collection electrode 1a, which exhibit characteristics that do not flow or are extremely difficult to flow, even high-resistance dust (,)
Since the current-voltage characteristics that allow a relatively high current density to be obtained while maintaining a high electric field strength as shown in the figure are obtained, it becomes possible to impart a high charge to the dust.
この場合、帯電部6は主としてダストに電荷な与えるが
、勿論ある程度の集じん機能を有するため、通常の集じ
ん器間様適宜槌打等によりダストの払い落しが行なわれ
るようになっている。In this case, the charging section 6 mainly charges the dust, but of course has a dust collection function to some extent, so that the dust can be removed by hammering or the like as required in a normal dust collector.
次に電荷を与えられたダストは集じん部7で電界の力に
より集じん極に捕集される。この場合集じん部7の電極
構成として電流が殆ど流れずに高い電界強度を有する電
極組合せを上記の帯電部6と組み合せることによって高
い集じん効率が得られる。すなわち乗じん部7ではダス
トは帯電部6で予め電荷をうけているため、電流の供給
は再飛散を防止出来るだけの必要最低限でよく、このた
め逆電離を発生することなく高い電界強度を維持するこ
とが出来、高い集じん効率を得ることが可能となり、総
合的にコンパクトで高効率を達成することが出来る。Next, the charged dust is collected on a dust collection pole in the dust collection section 7 by the force of the electric field. In this case, high dust collection efficiency can be obtained by combining an electrode configuration of the dust collection section 7 with the above-mentioned charging section 6, which has a high electric field strength with almost no current flowing. In other words, in the multiplier section 7, the dust is charged in advance by the charging section 6, so the current supply only needs to be the minimum necessary to prevent re-scattering, and therefore a high electric field strength can be applied without causing reverse ionization. This makes it possible to maintain high dust collection efficiency, making it possible to achieve overall compactness and high efficiency.
また一般的な二段式EPと同様、放電極側を平板で構成
し平行平板や高電界で集じん部を構成することももちろ
ん可能である。Further, as in a general two-stage EP, it is of course possible to configure the discharge electrode side with a flat plate and configure the dust collection section with a parallel flat plate or a high electric field.
又、本発明では第11図に示す様にトゲの無い均一断面
より成る放電極4を有する小荷電区分に通常の直流高電
圧と数IQns〜数100μsのパルス高電圧を重畳印
加し、E 、Pのなかで主として帯電を行なう帯電部6
として機能させ、後段の低電流高電界の荷電区分である
集じん部7との組合せにより高い集じん性能を得るよう
にしているので、
(1)トゲの無い均一断面より成る放電極4は通常の直
流高電圧を印加しても第10図の(C)または(d)の
様に電流が殆ど流れないまま火花に移行するか、あるい
はまた非常に低電流高電圧の状態で逆電離へ移行するが
、数IQns〜数100声のパルス電圧を重畳印加する
ことによシ、第10図の(e)の様な電流電圧特性が得
られ、パルスを重畳する以前の逆電離の開始運転条件(
P3)よシも高い電流密度で逆電離を起こすことなく
(P4)で示すように運転出来るため、速やかにダスト
に電荷を与える機能を大巾に向上させることが出来る。In addition, in the present invention, as shown in FIG. 11, a normal DC high voltage and a pulsed high voltage of several IQns to several 100 μs are superimposed and applied to a small charged section having a discharge electrode 4 having a uniform cross section without thorns. A charging section 6 that mainly performs charging in P
(1) The discharge electrode 4, which has a uniform cross-section without thorns, is usually Even if a DC high voltage of However, by superimposing a pulse voltage of several IQns to several hundreds of tones, a current-voltage characteristic like that shown in FIG. (
P3) Without causing reverse ionization at high current density
Since the operation can be performed as shown in (P4), the function of quickly charging the dust can be greatly improved.
この場合、第5図に示す従来の放電極2を用いた場合、
通常荷電時で第10図の(f)、パルス荷電を重畳して
も第10図の(g)の様な電流電圧特性であるため、電
流密度は確保出来ても電圧が低いため、ダストの飽和帯
電量が低く抑えられ、そのため十分な電荷は供給出来な
い〇
(2)又、従来の知見では、本発明によシ得られる第1
0図の電流電圧特性の逆電離開始条件(P4)より電流
を上昇させても逆極性のイオンのみが増大することによ
る電流の消費及び電圧が上昇しないため、集じん効率は
増大しない。In this case, when the conventional discharge electrode 2 shown in FIG. 5 is used,
The current-voltage characteristics are as shown in Figure 10 (f) during normal charging and as shown in Figure 10 (g) even when pulse charging is applied, so even if the current density is secured, the voltage is low, so the dust The saturation charge amount is suppressed to a low level, and therefore sufficient charge cannot be supplied.〇(2) Also, according to conventional knowledge, the first
Even if the current is increased from the reverse ionization starting condition (P4) of the current-voltage characteristics shown in Figure 0, the current consumption and voltage do not increase due to an increase in only ions of opposite polarity, so the dust collection efficiency does not increase.
しかし本発明ではP4を越えて運転する場合でもダスト
の電荷量が増大するため、帯電部単独の集じん効率は向
上しないが、後段の高電界部での集じん効率が向上する
ため全体としての集じん効率を向上させることが出来る
。However, in the present invention, even when operating beyond P4, the amount of charge on the dust increases, so the dust collection efficiency of the charging section alone does not improve, but the dust collection efficiency of the high electric field section in the subsequent stage improves, so the overall Dust collection efficiency can be improved.
これは従来の荷電方法では逆電離が発生すると局部的に
電流が流れ、その部分でのみ電流が消費されるが、パル
スを重畳した場合には逆電離発生時においても一様に電
流が流れ、このため逆極性のイオンの増大はあるものの
電流を増すことによりイオンの供給量の絶対量が増加し
、ダストの荷電量が増加するものと考えられ、これは実
験によっても確認されている。This is because in conventional charging methods, when reverse ionization occurs, current flows locally and the current is consumed only in that area, but when pulses are superimposed, current flows uniformly even when reverse ionization occurs. For this reason, although there is an increase in the number of ions of opposite polarity, it is thought that by increasing the current, the absolute amount of ions supplied increases, and the amount of charge on the dust increases, and this has also been confirmed by experiments.
(3)また本発明ではEPを2段式に機能を分散させ、
主としてダストに帯電を行なわせる部分である帯電部6
の小区分のみに限定して数10nB〜数100μSのパ
ルス高電圧を重畳することにより、経済的にかつ効率良
くパルス電源を利用することが可能である。(3) Also, in the present invention, the functions of the EP are distributed in two stages,
A charging part 6 which is a part that mainly charges dust
By superimposing a pulsed high voltage of several 10 nB to several 100 μS only in a small section of , it is possible to use the pulsed power source economically and efficiently.
なお、本発明の電気集じん装置においては、例えば1ミ
クロンの粒子であれば、電流密度02mA/i、電界強
度3 KV/cmの条件での計算例では荷電時間01秒
で飽和帯電量の65チ1秒で95チの帯電量が確保出来
るため、ガス速度をl misにとれば帯電部分の長さ
は実用上数十cm〜1mもあれば十分である。ここにパ
ルス電源のコスト及消費電力は概略放電極と集じん極間
のコンデンサ容量に比例するため、帯電部のみに限定し
てパルス電源を利用することは極めて経済的である。In addition, in the electrostatic precipitator of the present invention, for example, in the case of particles of 1 micron, the saturated charge amount is 65% in a charging time of 01 seconds in a calculation example under the conditions of a current density of 02 mA/i and an electric field strength of 3 KV/cm. Since a charge amount of 95 cm can be secured in 1 second, if the gas velocity is set to l mis, the length of the charged portion of several tens of cm to 1 m is sufficient for practical purposes. Since the cost and power consumption of the pulse power source are roughly proportional to the capacitance of the capacitor between the discharge electrode and the dust collection electrode, it is extremely economical to use the pulse power source only in the charging section.
゛このように本発明はパルス電源を経済的に利用するこ
とができ、かつコンパクトで高性能の二段式電気集じん
装置を提供し得るものである。``Thus, the present invention can economically utilize a pulsed power source and provide a compact, high-performance two-stage electrostatic precipitator.
第1図は従来の電気集じん装置の構成図、第2図はその
平面図、第3図は電極部の拡大図、第4図はその電流電
圧特性図、第5図はその放電極の斜視図である。又、第
6図は本発明の1実施例を示す二段式電気集じん装置の
構成図、第7図はその平面図、第8図はその電極部の拡
大図、第9図はその帯電部と集じん部の組合せ配置図、
第10図はその帯電部の電流電圧特性図、第11図はそ
の放電極の斜視図である。
la、lb・・・集じん極、4,5・・・放電極、6・
・・帯電部、7・・・集じん部、3c 、 3f・・・
直流高電圧発生装置、8a、8b・・・パルス電圧発生
装置@10
第4M
V (電圧)
第50
b ’/
第qI
口口■[
第10
〔1iF−室部の電流
5.、、−lト
直灘高電圧V
第110
(イ) (ロ) υ(
d
) (功
手続補正書(方式)
1.事件の表示
昭和59年 特 許 願第 65504 号2発明の名
称
二段式電気集じん装置
6補正をする者
事件との関係 特許出願人
住 所 東京都千代田区丸の内二丁目5番1号名 称(
r+2o)三菱重工業株式会社4、代 理 人
住 所 東京都千代田区丸の内二丁目5喬4号三菱重工
業株式会社内(電212−3111)第4図
第10V
連ジ聚高電圧VFigure 1 is a configuration diagram of a conventional electrostatic precipitator, Figure 2 is its plan view, Figure 3 is an enlarged view of the electrode section, Figure 4 is its current-voltage characteristic diagram, and Figure 5 is its discharge electrode. FIG. Furthermore, Fig. 6 is a configuration diagram of a two-stage electrostatic precipitator showing one embodiment of the present invention, Fig. 7 is a plan view thereof, Fig. 8 is an enlarged view of its electrode section, and Fig. 9 is its charging diagram. A combination layout diagram of the part and dust collection part,
FIG. 10 is a current-voltage characteristic diagram of the charging section, and FIG. 11 is a perspective view of the discharge electrode. la, lb... Dust collection electrode, 4, 5... Discharge electrode, 6.
...Charging part, 7...Dust collection part, 3c, 3f...
DC high voltage generator, 8a, 8b...Pulse voltage generator @10 4th MV (voltage) 50th b'/ qI mouth ■[ 10th [1iF-Current in chamber 5. ,, -l To Naonada High Voltage V Article 110 (A) (B) υ (d) (Written amendment of meritorious procedure (method) 1. Indication of the case 1982 Patent Application No. 65504 2 Title of the invention 2 paragraphs Relationship with the case of the person making the amendment to type electrostatic precipitator 6 Patent applicant address 2-5-1 Marunouchi, Chiyoda-ku, Tokyo Name (
r+2o) Mitsubishi Heavy Industries, Ltd. 4, Agent Address: Mitsubishi Heavy Industries, Ltd., No. 4, 2-5-5, Marunouchi, Chiyoda-ku, Tokyo (Electricity 212-3111) Figure 4, Figure 10V Continuous high voltage V
Claims (1)
トを集しんする集じん部より構成された二段式電気集じ
ん装置において、帯電部に均一断面を有する放電極を用
い、該放電極に直流高電圧とパルス高電圧を重畳して印
加することを特徴とする二段式電気集じん装置。In a two-stage electrostatic precipitator, which consists of a charging section that mainly charges dust and a dust collection section that mainly collects dust, a discharge electrode with a uniform cross section is used in the charging section, and a high DC current is applied to the discharge electrode. A two-stage electrostatic precipitator characterized by applying voltage and pulsed high voltage in a superimposed manner.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59065504A JPS60209273A (en) | 1984-04-02 | 1984-04-02 | Two-stage electrical dust collector |
EP85730043A EP0161205B1 (en) | 1984-04-02 | 1985-03-21 | Two-stage electrostatic precipitator |
DE8585730043T DE3567386D1 (en) | 1984-04-02 | 1985-03-21 | Two-stage electrostatic precipitator |
AU40196/85A AU581647B2 (en) | 1984-04-02 | 1985-03-21 | Two-stage electrostatic precipitator |
CA000477462A CA1268429A (en) | 1984-04-02 | 1985-03-26 | Two-stage electrostatic precipitator |
ZA852264A ZA852264B (en) | 1984-04-02 | 1985-03-26 | Two-stage electrostatic precipitator |
BR8501516A BR8501516A (en) | 1984-04-02 | 1985-04-01 | TWO STAGE ELECTROSTATIC PRECIPITATOR |
KR1019850002190A KR890002205B1 (en) | 1984-04-02 | 1985-04-01 | Dust collector |
SG355/92A SG35592G (en) | 1984-04-02 | 1992-03-26 | Two-stage electrostatic precipitator |
HK390/93A HK39093A (en) | 1984-04-02 | 1993-04-22 | Two-stage electrostatic precipitator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59065504A JPS60209273A (en) | 1984-04-02 | 1984-04-02 | Two-stage electrical dust collector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60209273A true JPS60209273A (en) | 1985-10-21 |
Family
ID=13288965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59065504A Pending JPS60209273A (en) | 1984-04-02 | 1984-04-02 | Two-stage electrical dust collector |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60209273A (en) |
ZA (1) | ZA852264B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101850301A (en) * | 2010-06-18 | 2010-10-06 | 北京博电兴源节能科技有限公司 | DC superposed pulse electric precipitation method |
JP2010234187A (en) * | 2009-03-30 | 2010-10-21 | Yamatake Corp | Air cleaner |
CN103769300A (en) * | 2014-01-27 | 2014-05-07 | 无锡同春新能源科技有限公司 | Unmanned aerial vehicle used for adsorbing particulate matters in air |
CN104043532A (en) * | 2014-06-18 | 2014-09-17 | 南京师范大学 | Dual-region tubular high-temperature electrostatic dedusting device |
CN104525376A (en) * | 2014-12-22 | 2015-04-22 | 上海龙净环保科技工程有限公司 | Subarea power supply system and subarea power supply method for wet electric precipitator |
CN111632762A (en) * | 2020-06-09 | 2020-09-08 | 毛嘉豪 | Use method of electrostatic dust removal device for construction site |
-
1984
- 1984-04-02 JP JP59065504A patent/JPS60209273A/en active Pending
-
1985
- 1985-03-26 ZA ZA852264A patent/ZA852264B/en unknown
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010234187A (en) * | 2009-03-30 | 2010-10-21 | Yamatake Corp | Air cleaner |
CN101850301A (en) * | 2010-06-18 | 2010-10-06 | 北京博电兴源节能科技有限公司 | DC superposed pulse electric precipitation method |
CN103769300A (en) * | 2014-01-27 | 2014-05-07 | 无锡同春新能源科技有限公司 | Unmanned aerial vehicle used for adsorbing particulate matters in air |
CN104043532A (en) * | 2014-06-18 | 2014-09-17 | 南京师范大学 | Dual-region tubular high-temperature electrostatic dedusting device |
CN104525376A (en) * | 2014-12-22 | 2015-04-22 | 上海龙净环保科技工程有限公司 | Subarea power supply system and subarea power supply method for wet electric precipitator |
CN111632762A (en) * | 2020-06-09 | 2020-09-08 | 毛嘉豪 | Use method of electrostatic dust removal device for construction site |
CN111632762B (en) * | 2020-06-09 | 2022-04-22 | 山东一滕建设集团有限公司 | Use method of electrostatic dust removal device for construction site |
Also Published As
Publication number | Publication date |
---|---|
ZA852264B (en) | 1985-11-27 |
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