JPS61174954A - Air purifier - Google Patents

Abstract

PURPOSE:To obtain an air purifier which is compact in size and easy in the maintenance control wherein the efficient washing is performed by making the sponge having the electrical conductivity and the adsorbability an electrode and impressing high voltage thereon. CONSTITUTION:The sponges 1 are a perforated network body and the electrically-plated foamed plastic material and the plastic material which is mixed uniformly with both of foaming agent and small pieces, grains or fiber of an electrically-conductive member are used. The sponge electrode 1 is conducted with electricity from the positive pole of a high voltage DC power source 7 via a circuit 8 and the other sponge electrode 1 is conducted with electricity to the negative pole of the power source 7 via a circuit 6. Thereby the corona discharge is caused on a surface of the sponge 1 and gas is ionized and transferred in the electrostatic field, adsorbed and collected on the other sponge electrode. By such a way, the safe purification can be stably performed without the danger such as a short circuit and air is purified excellently and compactly in combination with the action of the mesh filter.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は空気浄化装置の改良に関する。本発明の空気浄
化装置はコロナ放電により空気中の微粒子を帯電電荷を
大ならしめ、また細菌などの空気中浮瀞物をも同様に荷
電し静電力作用により吸着捕集して除去すると同時にコ
ロナ放電によって殺菌効果を増大し発生したオゾンを除
去するようにしたものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to improvements in air purification devices. The air purification device of the present invention uses corona discharge to increase the electrical charge of fine particles in the air, and also charges airborne particles such as bacteria and removes them by adsorption and collection using electrostatic force. The discharge increases the sterilizing effect and removes generated ozone.

〔従来の技術〕[Conventional technology]

空気清浄化に用いる装置としては、対向して備えた網状
、針状の放電電極と集塵電極の間に直流高電圧を加えて
放電電極面に負コロナ放電を発生させ空気中の微粒子、
細菌および浮遊物を負に帯電せしめて、正極集塵電極に
吸着させるように移動させて集塵し捕集するものが使用
されている。As a device used for air purification, a high DC voltage is applied between a net-shaped or needle-shaped discharge electrode and a dust collection electrode, which are arranged facing each other, to generate a negative corona discharge on the surface of the discharge electrode, thereby removing fine particles in the air.
Bacteria and suspended matter are negatively charged and moved to be adsorbed to a positive dust collection electrode to collect and collect the dust.

電気集塵ではないが空気を送風または吸出をし流涙にｐ
週休を設けて通風圧を減少する損失はあるがヂ週体を所
要の性能をもつものを選定して使用し捕集する除塵装置
も使用されている。また、この除塵装置とコロナ放電を
行う静電集塵装置とを組合せたものも用いられてきた。Although it is not an electrostatic precipitator, it blows or sucks out air, causing lacrimation.
Although there is a loss in reducing the ventilation pressure by providing weekly holidays, dust removal equipment is also used that uses a weekly body selected to have the required performance and collects the dust. Also, a combination of this dust removal device and an electrostatic precipitator that performs corona discharge has been used.

これらが普及されるに伴って、コロナ放電時に発生する
オゾンを除去するためのデ過層が提案され、その提案の
中には活性炭を利用して設けた気体流路が採用され、さ
らに磁界を作用させて帯電粒子を捕集するものが併用さ
れ、デ週体の耐用期間を長期化する浄化装置が提案され
、活性炭の活性化についての改良として球状炭素の利用
をする提案がなされた。その間に空気流路の流れ方向に
複数個の所定間隔をもって設けたメツシュ金網状電極を
正負に帯電させた組合せをし直流電源と連結した改良電
極ｔ−有する空気浄化装置が提供されるように改良され
た。As these technologies became more widespread, desuperlayers were proposed to remove ozone generated during corona discharge, and some of these proposals included gas flow channels created using activated carbon, and furthermore, magnetic fields were A purification device was proposed that would extend the useful life of the dew body by using a device that acts to collect charged particles, and a proposal was made to use spherical carbon as an improvement on the activation of activated carbon. An improved air purifying device is provided which has a combination of positively and negatively charged mesh wire mesh electrodes provided at predetermined intervals in the flow direction of the air flow path and connected to a DC power source. It was done.

さらに電極の形状を改良しまたはＦ材の改良をし、磁界
もしくは電界の適用の改良をし、また、これら前記のも
のを組合せて得たものが提供され使用されてきた。Furthermore, the shape of the electrode or the F material has been improved, the application of the magnetic field or electric field has been improved, and products obtained by combining the above-mentioned items have been provided and used.

〔在来技術の問題点〕[Problems with conventional technology]

空気清浄器の用途は、病室、自動車室内、特殊作業室、
さらに家庭用とか集会室など適用範囲が増加するにつれ
、コンパクトであって保全管理が容易で維持コストが低
く清浄作用が効率良くなされるものが求められるように
なった。しかし従来のように電極に金網とか針状のもの
を用いて設置空間の小さいところに適用させるためにコ
ンパクトに形成すると集塵が堆積して短絡する危険があ
シ、保全管理が容易ではなかった。Air purifiers are used in hospital rooms, car interiors, special work rooms,
Furthermore, as the range of applications for household use and meeting rooms has increased, there has been a demand for products that are compact, easy to maintain, have low maintenance costs, and have efficient cleaning effects. However, if the electrode is made compact so that it can be applied to a small installation space by using wire mesh or needle-shaped electrodes as in the past, there is a risk of dust accumulation and short circuit, and maintenance management is not easy. .

〔問題点を解決しようとする手段〕[Means to try to solve problems]

前記の現状と問題点の存在にかんがみ、本発明は、電極
、高電圧の印加、電気風の利用、吸着の改良などの各部
品の改良をしたものを使用して組合せた装置を提供し問
題点を解決する。放電及び集塵電極にはスポンジネット
状の構造のものを組合せて形成し、導電化をきわめて良
好になるものとしてメッキなどによる金属化スポンジネ
ットを使用し、あるいはグラファイト粒、金属粒、金属
ウィスカー、カーボンファイバー等を混入して導電化し
、全体として１０３〜１０６Ω鋸程度の比抵抗をもたせ
たものにして用いる。またスポンジネット中に活性炭と
ゼオライトの適量を均一に分布混在させ放電時に発生す
るオゾンなど気体の吸着をさせる。用途に応じ、電極ス
ポンジネットに針状電極を埋めこんで用いる。In view of the above-mentioned current situation and the existence of problems, the present invention provides a combined device using improved parts such as electrodes, high voltage application, use of electric wind, and improved suction. Solve the points. The discharge and dust collection electrodes are formed by combining materials with a sponge net-like structure, and metallized sponge nets such as plating are used to achieve extremely good conductivity, or graphite grains, metal grains, metal whiskers, It is made conductive by mixing carbon fiber or the like, and is used after having a specific resistance of approximately 10 3 to 10 6 Ω as a whole. In addition, appropriate amounts of activated carbon and zeolite are uniformly distributed and mixed in the sponge net to adsorb gases such as ozone generated during discharge. Depending on the application, needle-shaped electrodes are embedded in an electrode sponge net.

〔実施例〕〔Example〕

本発明について一実施例について図面に基づいて説明す
る。第１Ａ図と第１Ｂ図は一例示説明図、第２図はスポ
ンジ部材の一部拡大断面図。第３図は一応用実施例の説
明図、第４図は一応用実施例の一部拡大断面図。An embodiment of the present invention will be described based on the drawings. FIG. 1A and FIG. 1B are explanatory views of one example, and FIG. 2 is a partially enlarged sectional view of a sponge member. FIG. 3 is an explanatory diagram of one applied embodiment, and FIG. 4 is a partially enlarged sectional view of one applied embodiment.

第１Ａ図に示す本発明の一実施例は、高電圧直流電源７
の正極に連結するための回路８でスポンジ電極１に通電
する。電源７の負極は回路６でスポンジ電極１に通電す
る。被清浄化気体は図中左右方向にスポンジを通る気体
流路３を流通する。One embodiment of the present invention shown in FIG. 1A is a high voltage DC power supply 7
The sponge electrode 1 is energized by a circuit 8 for connecting it to the positive electrode of the sponge electrode 1. The negative electrode of the power source 7 energizes the sponge electrode 1 through a circuit 6. The gas to be cleaned flows through the gas flow path 3 passing through the sponge in the left-right direction in the figure.

２は流路を形成する壁である。気体は流路３に入ると負
極側スポンジ１の表面に発生するコロナ放電によって気
中微粒子が荷電し正極スポンジ１に吸着され捕集される
。スポンジ１はネット状多孔体であるから空気の流通は
極めて良好である。また、スポンジ１は第２図に示すよ
うな発泡などによりネット状多孔体であって導電性を与
えたものを用いる。プラスチック発泡体に導電性メッキ
をしたもの、プラスチック材料に発泡剤と導電部材の細
片・粒子・繊維等を均一に混合して製造したもの、カー
ボンもしくは金属の繊維を合成樹脂強化をしたものと合
成樹脂発泡体との層をラミネートしたものなどが用いら
れる。発泡体を更に引張って多孔性を増加しネット状に
したもの、また不織布、織布、綿、フェルト状のもの等
が利用でき、以下、これをスポンジと呼ぶ。混入する導
電性付与細片粒子としては、グラファイト、導電性金属
粒細片、カーボンもしくは金属のウィスカー、カーボン
繊維の細片、金属繊維の細片などの中から用途に適する
ものを選定して所要の形状寸法に形成したものが好適で
ある。2 is a wall forming a flow path. When the gas enters the flow path 3, airborne particles are charged by corona discharge generated on the surface of the negative electrode sponge 1, and are adsorbed and collected by the positive electrode sponge 1. Since the sponge 1 is a net-like porous body, air circulation is extremely good. The sponge 1 is made of a net-like porous material which has been made conductive by foaming or the like as shown in FIG. Plastic foam with conductive plating, plastic material made by uniformly mixing a foaming agent and conductive material strips, particles, fibers, etc., carbon or metal fibers reinforced with synthetic resin. A layer laminated with a synthetic resin foam is used. The foam may be further stretched to increase its porosity to form a net shape, or may be made of nonwoven fabric, woven fabric, cotton, felt, etc., and hereinafter referred to as a sponge. The conductivity-imparting fine particles to be mixed are selected from among graphite, conductive metal particles, carbon or metal whiskers, carbon fiber pieces, metal fiber pieces, etc., and are suitable for the application. It is preferable that the shape and dimensions are as follows.

さらに、第４図に示したスポンジが、用途に応じて好適
である。前記第２図に示し前記説明をした導電性スポン
ジの中に、活性炭粒子４ｔ−分散させたもの、さらに第
１Ｂ図に示し第４図に応用実施例を示したような針状も
しくは釘状を呈した多数の電極５を所要の間隔で備えた
ものまたはこれらの組合せをしたものを用いる。この針
状などの形体をした針状電極５は、スポンジ電極１の放
電を易放電化し、同時に放電方向を揃えて電気風を発生
させる。なお、金網電極をスポンジの表面に接着するこ
ともできる。また活性炭の混合によって放電時に発生す
るオゾンのような気体を電極スポンジ１に吸着捕集する
。Furthermore, the sponge shown in FIG. 4 is suitable depending on the application. In the conductive sponge shown in FIG. 2 and explained above, 4 tons of activated carbon particles were dispersed, and in addition, needle-shaped or nail-shaped particles as shown in FIG. 1B and an applied example shown in FIG. A device equipped with a large number of electrodes 5 as described above at required intervals or a combination thereof is used. The needle-like electrode 5 having a needle-like shape or the like makes the discharge of the sponge electrode 1 easier, and at the same time aligns the discharge direction to generate electric wind. Note that the wire mesh electrode can also be adhered to the surface of the sponge. Further, by mixing activated carbon, gas such as ozone generated during discharge is adsorbed and collected on the electrode sponge 1.

第１Ｂ図には、第１Ａ図に示した実施例に針状電極５の
多数個を備えたものを示した。第３図に示した１応用実
施例では、スポンジ電極１を多段に設けた場合を示した
。なおスポンジには導電粒子と、活性炭粒子のほかに、
吸着剤として、ゼオライトを混入して用いる。FIG. 1B shows the embodiment shown in FIG. 1A in which a large number of needle electrodes 5 are provided. In one application example shown in FIG. 3, the sponge electrode 1 is provided in multiple stages. In addition to conductive particles and activated carbon particles, the sponge also contains
Zeolite is used as an adsorbent.

〔効果〕〔effect〕

すでに説明したように、本発明は被浄化気体を導電化し
たスポンジ電極の静電集塵装置を流通させ、スポンジ１
には高圧電源７を接続し、表面にコロナ放電を生せしめ
、気体をイオン化し、静電界中を移動させ他極のスポン
ジ電極に吸着捕集するようにしたものであり、導電性ス
ポンジｌは、導電性物質を合成樹脂スポンジの中に分散
させたものであるから、放電はスポンジ表面の毛、突起
等により容易に安定して発生し、且つ短絡等の危険なく
安定して安全な浄化ができ、気流はスポンジのネット状
多孔質を通して容易に流通し、大きな粒子もスポンジの
フィルタ作用によりＦ遇され、スポンジは電気集塵電極
とメツシュフィルタ作用を兼用し、浄化性能を高め、且
つコンパクトに装置全体を構成できる。また必要に応じ
スポンジ中に活性炭粒子を混入分散させて除去すべき気
体を吸着捕集することによって放電によるオゾン等を容
易に除去できる。また用途に応じスポンジ電極面に多数
の針状などの突起を形成させコロナ放電を助勢し電気風
を発生させ吸着捕集を助けることもできる。そしてスポ
ンジｌには用途に応じゼオライトを混入しゼオライトに
よる吸着を利用することができる。As already explained, the present invention circulates an electrostatic precipitator using sponge electrodes that conductive gas to be purified, and
A high-voltage power supply 7 is connected to the conductive sponge l to generate a corona discharge on the surface, ionize the gas, move it in an electrostatic field, and collect it on the other sponge electrode. Since the conductive material is dispersed in a synthetic resin sponge, discharge is easily and stably generated by the hairs and protrusions on the sponge surface, and stable and safe purification is possible without the risk of short circuits. The airflow easily flows through the net-like porous structure of the sponge, and large particles are also filtered out by the filtering action of the sponge.The sponge functions as both an electrostatic precipitator and a mesh filter, improving purification performance and making it compact. The entire device can be configured as follows. Further, if necessary, activated carbon particles are mixed and dispersed in the sponge to adsorb and collect the gas to be removed, thereby making it possible to easily remove ozone and the like caused by discharge. Depending on the application, a large number of needle-like protrusions may be formed on the surface of the sponge electrode to assist corona discharge and generate electric wind to assist in adsorption and collection. Depending on the application, zeolite can be mixed into the sponge l to utilize adsorption by the zeolite.

本発明のものは、高電圧を印加したスポンジ電極を用い
、スポンジを導電化し、吸着性を助勢する混入物を用い
、用途に応じて針状電極を用いてコロナ放電によるイオ
ン化を助勢し電気風を生じさせ、イオンを吸着捕集する
効果が大であると同時に全く安全であって且つコンパク
ト、に構成できる効果がある。The device of the present invention uses a sponge electrode to which a high voltage is applied, makes the sponge conductive, uses a contaminant to promote adsorption, and depending on the application, uses a needle-shaped electrode to assist in ionization by corona discharge. It is highly effective in adsorbing and collecting ions, and at the same time, it is completely safe and can be constructed compactly.

【図面の簡単な説明】[Brief explanation of the drawing]

第１Ａ図、第１Ｂ図および第３図は本発明の一実施例の
説明図。第２図および第４図は電極スポンジの一部拡大
断面図。FIG. 1A, FIG. 1B, and FIG. 3 are explanatory diagrams of one embodiment of the present invention. FIGS. 2 and 4 are partially enlarged sectional views of the electrode sponge.

Claims (1)

【特許請求の範囲】 １　被浄化気体流路に導電物質の粒子、細片、繊維等の
混入もしくはメッキ等により導電性を与えた多化質のス
ポンジを設け、該スポンジを電極として高電圧を通電す
る電源を設け、前記スポンジに静電集塵するようにした
ことを特徴とする空気浄化装置。 ２　活性炭、ゼオライトのような気体吸着物質を混入含
有したスポンジを用いた特許請求の範囲第１項に記載の
空気浄化装置。 ３　金網、針等を組合せたスポンジを用いた特許請求の
範囲第１項に記載の空気浄化装置。[Claims] 1. A multi-organic sponge made conductive by mixing conductive material particles, pieces, fibers, etc. or by plating, etc. is provided in the gas flow path to be purified, and a high voltage is applied using the sponge as an electrode. An air purifying device characterized in that a power supply is provided to conduct electricity so that dust is electrostatically collected on the sponge. 2. The air purification device according to claim 1, which uses a sponge mixed with a gas adsorbing substance such as activated carbon or zeolite. 3. The air purifying device according to claim 1, which uses a sponge combined with a wire mesh, needles, etc.