JP3827243B1 - Cyclone air purifier - Google Patents

Cyclone air purifier Download PDF

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JP3827243B1
JP3827243B1 JP2005147525A JP2005147525A JP3827243B1 JP 3827243 B1 JP3827243 B1 JP 3827243B1 JP 2005147525 A JP2005147525 A JP 2005147525A JP 2005147525 A JP2005147525 A JP 2005147525A JP 3827243 B1 JP3827243 B1 JP 3827243B1
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cyclone
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liquid contact
water droplets
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優章 荒井
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優章 荒井
株式会社ミッシェルリン
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    • 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

Abstract

【課題】 サイクロン式空気浄化装置の浮遊物質の浄化効率を向上させる。
【解決手段】 サイクロンに空気を導入する直前部分となる導入部２、或いは、サイクロン上部に気液接触用霧噴射部を設ける。気液接触用霧噴射部には配管から、例えば水を供給し、気液接触用霧噴射部からは霧が噴射するように構成する。気液接触用霧噴射部からの霧の噴射により、十分に空気中の浮遊物質と微粒水滴とを接触させる。サイクロンの内筒の外周にはスパイラル状フィンを固着することにより、ショートカット気流をなくす。サイクロン上部で一体となった浮遊物質と微粒水滴とは、螺旋状降下気流により十分な回転をして遠心力を受けることにより、サイクロン内壁面に付着する。
【選択図】 図１
PROBLEM TO BE SOLVED To improve the purification efficiency of floating substances of a cyclone type air purification device.
SOLUTION: An introduction portion 2 that is a portion immediately before introducing air into a cyclone, or a gas-liquid contact mist injection portion is provided at an upper portion of the cyclone. For example, water is supplied from the pipe to the gas-liquid contact mist injection unit, and the mist is injected from the gas-liquid contact mist injection unit. Suspended matter in the air and fine water droplets are sufficiently brought into contact with each other by spraying the mist from the gas-liquid contact mist spraying unit. Short-cut airflow is eliminated by attaching spiral fins to the outer periphery of the inner cylinder of the cyclone. Suspended matter and fine water droplets integrated in the upper part of the cyclone adhere to the inner wall surface of the cyclone by being sufficiently rotated by the spiral descending airflow and receiving centrifugal force.
[Selection] Figure 1

Description

本発明は、空気中に浮遊する物質を除去するサイクロン式空気浄化装置に関する。   The present invention relates to a cyclonic air purifier that removes substances floating in the air.

空気中には、屋外、屋内において工場や焼却炉等から排出される排煙、車から排出される排気ガス、植物の花粉、部屋の中で発生する粉塵（ハウスダスト）、ダニ、ペット動物の***物、また、病院内における雑菌等、様々な有害物質が含まれる。そこで、環境汚染対策、日常の生活環境における健康の維持を目的として、このような空気中の様々な浮遊物質を除去するための装置が提案されている。   In the air, smoke emitted from factories and incinerators outdoors, indoors, exhaust gas discharged from cars, plant pollen, house dust, mites, pet animals It contains various harmful substances such as excrement and various germs in the hospital. Therefore, an apparatus for removing various suspended substances in the air has been proposed for the purpose of measures against environmental pollution and maintenance of health in the daily living environment.

このような装置のうちサイクロンを利用したものが知られている。従来のこのような装置を図４に示す。図において、１０は装置本体であり、１１はファン、１２は導入管であり、１３はサイクロンである。サイクロン下部には、水１４が張られておりその水中には超音波発信素子１６が設けられている。１５は浄化された空気を排出する排出部である。   Among such devices, those utilizing a cyclone are known. Such a conventional device is shown in FIG. In the figure, 10 is an apparatus main body, 11 is a fan, 12 is an introduction pipe, and 13 is a cyclone. Water 14 is stretched under the cyclone, and an ultrasonic transmission element 16 is provided in the water. Reference numeral 15 denotes a discharge unit for discharging the purified air.

このような装置の原理を説明する。このような装置は、浮遊物質を含む空気がファン１１により導入管１２からサイクロン中に吹き込まれる構成となっている。サイクロン下部に配された水中に設けられた超音波振動素子１６による振動により霧化された微粒水滴がサイクロン中に充満される。この微粒水滴の中には空気中に含まれる浮遊物質に接触し付着するものも現れる。微粒水滴はサイクロンの中に吹き込まれた空気の螺旋状降下気流による影響を受けて、空気と同じ流れ現象を呈するが、この際、浮遊物質に微粒水滴が付着していると、その粒度が比較的大きくなり、浮遊物質は微粒水滴とともに遠心力によってサイクロン内壁に付着する。サイクロン内壁にたまった浮遊物質はサイクロン下端開口に向けて流下する。サイクロン中で浮遊物質が除去され浄化された空気は排出部１５から排気される。
特開平６−１５４３２９号公報 The principle of such an apparatus will be described. Such an apparatus is configured such that air containing suspended solids is blown from the introduction pipe 12 into the cyclone by the fan 11. The fine water droplets atomized by the vibration by the ultrasonic vibration element 16 provided in the water disposed under the cyclone are filled in the cyclone. Some of these fine water droplets come into contact with and adhere to suspended solids contained in the air. Fine water droplets are affected by the spiral downdraft of air blown into the cyclone, and exhibit the same flow phenomenon as air, but at this time, if fine water droplets are attached to suspended solids, the particle size is compared The suspended matter adheres to the inner wall of the cyclone by centrifugal force along with fine water droplets. Suspended matter accumulated on the inner wall of the cyclone flows down toward the lower end of the cyclone. Air purified by removing suspended solids in the cyclone is exhausted from the discharge unit 15.
JP-A-6-154329

しかしながら、従来のサイクロンを利用した空気浄化装置では、以下のようないくつかの問題点が見受けられた。
（１）図５は空気がサイクロンに導入される前から排出されるまでを説明したものである。理想的には、空気は矢印２０で示されるようにサイクロンに導入され、次に矢印２１で示すような螺旋状降下気流となり、最終的には矢印２２で示されるような上昇気流となり、矢印２３に示されるようにサイクロン外部に排出される。ところが、サイクロンに導入された空気は全てこのように示される気流とはならず、一部、矢印２４で示されるようなショートカットした気流となる。このようなショートカット気流に乗った浮遊物質は、微粒水滴が付着して粒度が大きくなったとしても、十分な螺旋状降下気流に乗れないため、サイクロン内壁面に付着するのに十分な遠心力を得る程度の回転をする前に排出口から排出されてしまう。したがって、ショートカット気流が多発するような場合は、十分な空気の浄化を行うことができないという問題点。
（２）サイクロンに導入された空気のうち浮遊物質は微粒水滴と接触し一体となり、遠心力を受けてサイクロン内壁に付着するが、そのためには微粒水滴と空気中の浮遊物質とが接触する機会を十分に設けてやらなくてはならない。しかしながら、水を超音波素子による超音波振動で霧化する方式では、全ての浮遊物質に付着させるほど十分な微粒水滴が得られないという問題点。
（３）サイクロンによる空気中の浮遊物質の捕捉のメカニズムは、まず、浮遊物質が微粒水滴と接触して一体となり、その後、一体となった浮遊物質と微粒水滴とが遠心力を受けてサイクロン内壁面に付着するという２段階のプロセスからなっている。より効率的に２段階のプロセスを経るためには、浮遊物質と微粒水滴とが接触するスペース、浮遊物質と微粒水滴とが遠心力を受けるスペースは、それぞれ独立していた方が良いが、図3に示される従来の空気浄化装置ではこれらのスペースはサイクロン１３中で共用されており、２つのプロセスが同時並行的に行われているために、浮遊物質の捕捉の効率が悪くなるという問題点。 However, in the conventional air purification device using a cyclone, the following problems have been observed.
(1) FIG. 5 illustrates the process from before air is introduced into the cyclone until it is exhausted. Ideally, air is introduced into the cyclone as shown by arrow 20 and then becomes a spiral downdraft as shown by arrow 21 and eventually becomes an updraft as shown by arrow 22 and arrow 23 As shown in the figure, it is discharged outside the cyclone. However, all of the air introduced into the cyclone does not become the airflow shown in this way, but partly becomes a shortcut airflow as shown by the arrow 24. Suspended matter riding in such a shortcut airflow cannot get onto a sufficient spiral downdraft even if the particle size increases due to the adhering of fine water droplets.Therefore, centrifugal force sufficient to adhere to the inner wall of the cyclone is applied. It will be discharged from the outlet before rotating as much as possible. Therefore, there is a problem in that sufficient air purification cannot be performed when shortcut airflow frequently occurs.
(2) Of the air introduced into the cyclone, suspended solids come into contact with the fine water droplets and become united, and receive centrifugal force to adhere to the inner wall of the cyclone. For this purpose, the fine water droplets and the suspended solids in the air come into contact with each other. It is necessary to provide enough. However, in the method of atomizing water by ultrasonic vibration by an ultrasonic element, there is a problem that sufficient fine water droplets cannot be obtained to adhere to all suspended substances.
(3) The mechanism of trapping suspended matter in the air by the cyclone is that the suspended matter first comes into contact with the fine water droplets and becomes integrated, and then the integrated suspended matter and fine water droplets are subjected to centrifugal force in the cyclone. It consists of a two-stage process that adheres to the wall. In order to go through the two-stage process more efficiently, it is better that the space where suspended solids and fine water droplets contact and the space where suspended solids and fine water droplets receive centrifugal force should be independent of each other. In the conventional air purification apparatus shown in Fig. 3, these spaces are shared in the cyclone 13, and the two processes are performed in parallel. .

この発明は、上記のような課題を解決するものであって、サイクロン式空気浄化装置の浮遊物質を浄化する効率をより高めるためのものである。   The present invention solves the above-described problems and is intended to further increase the efficiency of purifying suspended substances in a cyclone air purification device.

そのために本願請求項１に係る発明は、浮遊物質を含む浄化すべき空気を吸入しサイクロンに向けて送出する空気吸入送出手段と、前記空気吸入送出手段から送出された空気をサイクロンに導入する導入部と、内筒及び外筒を備えるサイクロンとから成るサイクロン式空気浄化装置において、前記導入部及びサイクロン上部には気液接触用霧噴射部が配置されており、前記内筒にはスパイラル状フィンが固着され、前記スパイラル状フィンの外周部と前記外筒内壁との間には、それぞれが接触しないように間隙が設けられ、サイクロン上部の空気導入部付近には乱気流発生用の網目状構造物が設けられ、サイクロンの下部には、液溜が設けられ、気液接触用のスペースとしてサイクロン略上半分は該スパイラル状フィンが設けられないようにすると共に、気液接触した浮遊物質に遠心力を付与するスペースとしてサイクロン略下半分は該スパイラル状フィンが設けられるような配置とすることを特徴とする。 For this purpose, the invention according to claim 1 of the present application introduces air intake / delivery means for inhaling air to be purified containing suspended solids and delivering it to the cyclone, and introducing air sent from the air intake / delivery means into the cyclone. And a cyclone air purifying device comprising a cyclone having an inner cylinder and an outer cylinder, and a gas-liquid contact mist injection part is disposed above the introduction part and the cyclone, and the inner cylinder has a spiral fin Is fixed, and a gap is provided between the outer peripheral portion of the spiral fin and the inner wall of the outer cylinder so that they do not come into contact with each other, and a network structure for generating turbulence near the air introduction portion at the top of the cyclone. A liquid reservoir is provided in the lower part of the cyclone, and the upper half of the cyclone as a space for gas-liquid contact is not provided with the spiral fins. Rutotomoni, under cyclone substantially half as a space for imparting centrifugal force to the floating substances gas-liquid contact, characterized in that arranged as the spiral fin is provided.

本発明によれば、導入部及びサイクロン上部のそれぞれに気液接触用霧噴射部が設けられた構成となっているので、従来のものに比べて、空気中の浮遊物質が微粒水滴と接触する機会が十分に与えられるので、浄化効率を高めることができる。また、気液撹拌用乱気流発生手段を設けることにより、サイクロン上部に導入された空気は、乱気流となり、この乱気流によって浮遊物質と微粒水滴との接触機会をさらに増加させることができる。また、サイクロン内筒にはスパイラル状フィンが形成されているため、サイクロンの中でショートカット気流をなくすことができ、浮遊物質は、本来の螺旋状降下気流により、十分な遠心力を得てサイクロン外筒内壁面に捕捉される。また、スパイラル状フィンの幅やスパイラルのピッチを調整することで、螺旋状降下気流を自由にコントロールすることができるようになった。さらに、導入部及びサイクロン上部は、主に浮遊物質と微粒水滴とが接触するスペースとして、またスパイラル状フィンが設けられたサイクロン下部は浮遊物質と微粒水滴とが遠心力を受けるスペースとして供されるため、浮遊物質が微粒水滴と接触して一体となり、その後、一体となった浮遊物質と微粒水滴とが遠心力を受けてサイクロン内壁面に付着するという２段階の浮遊物質捕捉プロセスが効率的に行われるようになった。   According to the present invention, since the gas-liquid contact mist injection part is provided in each of the introduction part and the upper part of the cyclone, the suspended substances in the air are in contact with the fine water droplets as compared with the conventional one. Since sufficient opportunities are given, the purification efficiency can be increased. Moreover, by providing the turbulent airflow generating means for gas-liquid stirring, the air introduced into the upper part of the cyclone becomes a turbulent airflow, and this turbulent airflow can further increase the chance of contact between the suspended matter and the fine water droplets. In addition, since the spiral fin is formed in the cyclone inner cylinder, the shortcut air flow can be eliminated in the cyclone, and the suspended solids can obtain sufficient centrifugal force by the original spiral descending air to obtain the outside of the cyclone. It is captured by the cylinder inner wall surface. In addition, the spiral descending airflow can be freely controlled by adjusting the width of the spiral fin and the pitch of the spiral. Further, the introduction part and the upper part of the cyclone are mainly used as a space where the suspended substance and the fine water droplets are in contact, and the lower part of the cyclone provided with the spiral fin is provided as a space where the suspended substance and the fine water droplets are subjected to centrifugal force. Therefore, the two-stage suspended matter trapping process in which suspended solids come into contact with fine water droplets and become integrated, and then the integrated suspended solids and fine water droplets receive centrifugal force and adhere to the inner wall of the cyclone efficiently. Came to be done.

以下、本発明の実施の形態を、図面を参照しつつ説明する。図1は本発明に係るサイクロン式空気浄化装置の要部概念図であり、点線で示された矢印は空気の流れを示している。１は、ブロア、ファン、ポンプ等の清浄化する空気を吸入し、サイクロンに向けて送風する空気吸入送出手段である。２は、サイクロンに空気を導入する直前部分となる導入部である。２の導入部の上部には、気液接触用霧噴射部７が設けられている。気液接触用霧噴射部７には図示しない配管から液体が供給され、気液接触用霧噴射部７からこの液体の霧が噴射される構成となっている。３はサイクロン本体であり、サイクロン本体３は、主に外筒４及び内筒５により形成されている。外筒内壁には浮遊物質が遠心力により付着する構成となっており、内筒は浄化された空気が排出される排出部を兼ねている。サイクロン下部は液溜１０となっており、微粒水滴とともに浮遊物質がそこに流下される構成となっている。また、６はサイクロン上部に設けられた気液接触用霧噴射部であり、気液接触用霧噴射部６にも図示しない配管から液体が供給され、気液接触用霧噴射部６からもこの液体の霧が噴射される構成となっている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a conceptual diagram of a main part of a cyclone type air purification apparatus according to the present invention, and arrows shown by dotted lines indicate the flow of air. Reference numeral 1 denotes air suction and sending means for sucking air to be cleaned, such as a blower, a fan, and a pump, and blowing the air toward the cyclone. Reference numeral 2 denotes an introduction portion that is a portion immediately before air is introduced into the cyclone. A gas-liquid contact mist injection unit 7 is provided on the upper portion of the second introduction unit. The liquid is supplied to the gas / liquid contact mist injection unit 7 from a pipe (not shown), and the mist of the liquid is injected from the gas / liquid contact mist injection unit 7. Reference numeral 3 denotes a cyclone main body, and the cyclone main body 3 is mainly formed by an outer cylinder 4 and an inner cylinder 5. The inner cylinder has a configuration in which suspended substances adhere to the inner wall of the outer cylinder by centrifugal force, and the inner cylinder also serves as a discharge part for discharging purified air. The cyclone lower part becomes the liquid reservoir 10, and it becomes the structure by which suspended solids flow down there with a fine water droplet. Reference numeral 6 denotes a gas-liquid contact mist injection unit provided in the upper part of the cyclone. Liquid is also supplied to the gas-liquid contact mist injection unit 6 from a pipe (not shown). The liquid mist is jetted.

図1では、サイクロンに導入される直前部分の導入部２及びサイクロン上部の両方に気液接触用霧噴射部を設ける構成を示したが、これに限らず、サイクロンに導入される直前部分の導入部２或いはサイクロン上部のどちらか一方に気液接触用霧噴射部を設ける構成としても良い。以下の説明では、気液接触用霧噴射部が２つある構成について特化して説明する。   In FIG. 1, the configuration in which the gas-liquid contact mist injection part is provided in both the introduction part 2 and the upper part of the cyclone immediately before being introduced to the cyclone is shown, but not limited to this, the introduction of the immediately preceding part to be introduced to the cyclone is shown. It is good also as a structure which provides the mist injection part for gas-liquid contacts in either one of the part 2 or a cyclone upper part. In the following description, a configuration having two gas-liquid contact mist injection units will be specifically described.

なお、気液接触用霧噴射部６、７から霧として噴射される液体は水のみに限らず、アルカリ性の液体或いは酸性の液体の場合もあり得る。清浄化すべき汚染空気が酸性の場合は、気液接触用霧噴射部６、７から噴射する液体をアルカリ性とし、清浄化すべき汚染空気がアルカリ性の場合は、気液接触用霧噴射部６、７から噴射する液体を酸性とする。以下の説明では、簡単のためにこの液体を水として想定している。   Note that the liquid ejected as mist from the gas-liquid contact mist ejecting units 6 and 7 is not limited to water, but may be an alkaline liquid or an acidic liquid. When the contaminated air to be cleaned is acidic, the liquid sprayed from the gas-liquid contact mist spraying units 6 and 7 is made alkaline. When the contaminated air to be cleaned is alkaline, the gas-liquid contact mist spraying units 6 and 7 are used. The liquid to be ejected from is made acidic. In the following description, this liquid is assumed to be water for simplicity.

８はスパイラル状フィンであり、その内周は内筒側に固着されている。スパイラル状フィンの外周と外筒の内壁との間には所定の隙間が設けられている。これは、サイクロン外筒の内壁に付着した微粒水滴と浮遊物質を効率よく流下させるためのものである。   8 is a spiral fin, and its inner periphery is fixed to the inner cylinder side. A predetermined gap is provided between the outer periphery of the spiral fin and the inner wall of the outer cylinder. This is for efficiently flowing down the fine water droplets and suspended solids adhering to the inner wall of the cyclone outer cylinder.

上記のように構成されたサイクロン式空気浄化装置の空気浄化の原理を説明する。まず、清浄化すべき空気を空気吸入送出手段１により吸入し、サイクロンに向けて送風する。送風された空気はサイクロンに導入される直前部分の導入部２の上面に設けられた気液接触用霧噴射部７から噴射される霧と混合される。この段階で、空気中の浮遊物質と微粒水滴との接触機会を設ける。さらにこの空気はサイクロンに導入され、サイクロン上部に設けられた気液接触用霧噴射部６からも霧が噴射されるためにサイクロン内部においても浮遊物質と微粒水滴との接触機会を設けることができる。   The principle of air purification of the cyclone type air purification apparatus configured as described above will be described. First, the air to be cleaned is sucked by the air suction / delivery means 1 and blown toward the cyclone. The blown air is mixed with the mist sprayed from the gas-liquid contact mist spraying portion 7 provided on the upper surface of the introduction portion 2 immediately before being introduced into the cyclone. At this stage, an opportunity for contact between airborne suspended solids and fine water droplets is provided. Furthermore, since this air is introduced into the cyclone, and the mist is also ejected from the gas-liquid contact mist injection unit 6 provided at the upper part of the cyclone, it is possible to provide an opportunity for contact between the suspended matter and the fine water droplets in the cyclone. .

サイクロン内部には、螺旋状降下気流を誘導しやすいスパイラル状フィン８が設けられているために、螺旋状降下気流以外のショートカット気流は、スパイラル状フィンがないものに比べて起こりにくくなっている。ショートカット気流が起こらない分、浮遊物質に微粒水滴が付着して粒度が大きくなれば、浮遊物質はサイクロン内壁面に付着するのに十分な遠心力を得る程度の回転をすることができる。   Since the spiral fins 8 that easily induce the spiral descending airflow are provided inside the cyclone, shortcut airflows other than the spiral descending airflow are less likely to occur than those without spiral fins. As long as the shortcut airflow does not occur and fine water droplets adhere to the suspended matter and the particle size increases, the suspended matter can rotate to obtain sufficient centrifugal force to adhere to the inner wall surface of the cyclone.

このように、サイクロン導入部、サイクロン上部においては、浮遊物質と微粒水滴とが接触するスペースとして、また、サイクロンのスパイラル状フィンが設けられた部分は、浮遊物質と微粒水滴とが遠心力を受けるスペースとして供されるため、浮遊物質が微粒水滴と接触して一体となり、その後、一体となった浮遊物質と微粒水滴とが遠心力を受けてサイクロン内壁面に付着するという２段階の浮遊物質捕捉プロセスがそれぞれ分離されてより効率的に行われるようになっている。   As described above, in the cyclone introduction part and the upper part of the cyclone, the space where the suspended matter and the fine water droplets contact each other, and the portion where the cyclonic spiral fin is provided receives the centrifugal force of the suspended matter and the fine water droplets. Because it is provided as a space, suspended solids come into contact with fine water droplets and become integrated, and then the integrated suspended solids and fine water droplets receive centrifugal force and adhere to the inner wall of the cyclone. Each process is separated and performed more efficiently.

また、スパイラル状フィンの幅やスパイラルのピッチを調整することで、螺旋状降下気流を自由にコントロールすることができるようになっている。   Further, the spiral descending airflow can be freely controlled by adjusting the width of the spiral fin and the pitch of the spiral.

上記の構成により十分な遠心力を得て、サイクロン外筒内壁面に付着した浮遊物質と微粒水滴は、最終的には重力により内壁面下方へと流下し、液溜に溜まる構造となっている。   Sufficient centrifugal force is obtained by the above configuration, and suspended matter and fine water droplets attached to the inner wall surface of the cyclone outer cylinder finally flow down to the lower inner wall surface due to gravity and accumulate in the liquid reservoir. .

図２は本発明に係るサイクロン式空気浄化装置の他の実施の形態を示す図である。図１に係るサイクロン式空気浄化装置からの変更点は、サイクロン上部の導入部２付近に気液撹拌用乱気流発生手段９が設けられている点である。図3（a）には、気液撹拌用乱気流発生手段９が設けられたサイクロン上部断面図を示す。この図にみられるように、気液撹拌用乱気流発生手段９は、サイクロン上部の周上の一部に設ければ良いが、必要に応じて、図3（ｂ）に示すようにサイクロン上部周上の複数箇所に設けても良い。   FIG. 2 is a view showing another embodiment of the cyclonic air purifying apparatus according to the present invention. A change from the cyclone type air purifying apparatus according to FIG. 1 is that a turbulent air flow generating means 9 for gas-liquid stirring is provided in the vicinity of the introduction part 2 in the upper part of the cyclone. FIG. 3 (a) is a cross-sectional view of the upper part of the cyclone provided with the turbulence generating means 9 for gas-liquid stirring. As shown in this figure, the gas-liquid stirring turbulence generating means 9 may be provided in a part of the circumference of the upper part of the cyclone, but if necessary, as shown in FIG. It may be provided at a plurality of locations above.

この気液撹拌用乱気流発生手段９には、例として、多孔質物質やスクラバーなどの網目状の構造物が用いられる。この実施の形態では、サイクロン上部に導入された空気は、気液撹拌用乱気流発生手段に当たることにより、乱気流となり、この乱気流によって浮遊物質と微粒水滴との接触機会を、気液撹拌用乱気流発生手段がないものに比べてより増加させることができる。   As the gas-liquid stirring turbulence generating means 9, for example, a network-like structure such as a porous material or a scrubber is used. In this embodiment, the air introduced into the upper part of the cyclone becomes a turbulent airflow by hitting the turbulent airflow generating means for gas-liquid stirring. It can be increased more than those without.

なお、スペース上の制約がなければ、サイクロンを多段式にしてもよい。多段式のサイクロンとはサイクロンを複数設けたものであり、例えば２段式のものを例にとると、第1段目のサイクロンの導入部は、今まで説明したとおりのものであるが、第1段目のサイクロンの内筒から排出された空気は第2段目のサイクロンの導入部に導入される構造とし、第2段目のサイクロンの内筒から排出された空気が最終的に浄化された空気として利用される構造とする。   If there is no space limitation, the cyclone may be multistage. A multi-stage cyclone is provided with a plurality of cyclones. For example, taking a two-stage cyclone as an example, the introduction part of the first-stage cyclone is as described above. Air discharged from the inner cylinder of the first-stage cyclone is introduced into the introduction part of the second-stage cyclone, and the air discharged from the inner cylinder of the second-stage cyclone is finally purified. A structure that can be used as air.

このような多段式のサイクロンを用いる場合、第1段目のサイクロンには、気液接触用霧噴射部と気液撹拌用乱気流発生手段とを設け、第1段目のサイクロンは浮遊物質と微粒水滴との接触を促す機会を十分に与えるためのスペースとし、第2段目のサイクロンには、気液接触用霧噴射部と気液撹拌用乱気流発生手段とは設けず、第2段目のサイクロンは、浮遊物質と微粒水滴とが十分な遠心力を受けるためだけのスペースとして構成する。このように構成することにより、浮遊物質が微粒水滴と接触して一体となり、その後、一体となった浮遊物質と微粒水滴とが遠心力を受けてサイクロン内壁面に付着するという２段階の浮遊物質捕捉プロセスをそれぞれ別のサイクロンに分離させて行わせることができ、より効率的に浮遊物質の捕捉が可能となる。   When such a multi-stage cyclone is used, the first-stage cyclone is provided with a gas-liquid contact mist injection section and a gas-liquid agitation turbulence generating means, and the first-stage cyclone has suspended substances and fine particles. A space is provided to give sufficient opportunity to promote contact with water droplets, and the second stage cyclone is not provided with a gas-liquid contact mist jetting unit and a gas-liquid stirring turbulence generating means. The cyclone is configured as a space only for suspended matter and fine water droplets to receive a sufficient centrifugal force. With this configuration, the suspended matter comes into contact with the fine water droplets to become one, and then the two-stage suspended matter in which the suspended matter and fine water droplets adhere to the cyclone inner wall surface under centrifugal force. The trapping process can be performed separately in separate cyclones, and trapped substances can be trapped more efficiently.

本発明に係るサイクロン式空気浄化装置の実施の形態を示す図である。It is a figure which shows embodiment of the cyclone type air purification apparatus which concerns on this invention. 本発明に係るサイクロン式空気浄化装置の他の実施の形態を示す図である。It is a figure which shows other embodiment of the cyclone type air purification apparatus which concerns on this invention. 本発明の他の実施の形態におけるサイクロン上部断面を示す図である。It is a figure which shows the cyclone upper section in other embodiment of this invention. 従来のサイクロン式空気浄化装置を示す図である。It is a figure which shows the conventional cyclone type air purification apparatus. 従来のサイクロン式空気浄化装置のサイクロン中の気流を説明する図である。It is a figure explaining the airflow in the cyclone of the conventional cyclone type air purification apparatus.

符号の説明Explanation of symbols

１・・・空気吸入送出手段、２・・・導入部、３３はサイクロン、４・・・外筒、５・・・内筒、６，７・・・気液接触用霧噴射部、８・・・スパイラル状フィン、１１・・・ファン、１２・・・導入管、１３・・・サイクロン、１５・・・排出部、１６・・・超音波発信素子
DESCRIPTION OF SYMBOLS 1 ... Air suction | inhalation delivery means, 2 ... Introduction part, 33 is a cyclone, 4 ... Outer cylinder, 5 ... Inner cylinder, 6, 7 ... Mist injection part for gas-liquid contact, 8, ..Spiral fins, 11 ... fans, 12 ... introducing pipes, 13 ... cyclones, 15 ... discharge sections, 16 ... ultrasonic transmission elements

Claims (1)

浮遊物質を含む浄化すべき空気を吸入しサイクロンに向けて送出する空気吸入送出手段と、
前記空気吸入送出手段から送出された空気をサイクロンに導入する導入部と、
内筒及び外筒を備えるサイクロンとから成るサイクロン式空気浄化装置において、
前記導入部及びサイクロン上部には気液接触用霧噴射部が配置されており、
前記内筒にはスパイラル状フィンが固着され、
前記スパイラル状フィンの外周部と前記外筒内壁との間には、それぞれが接触しないように間隙が設けられ、
サイクロン上部の空気導入部付近には乱気流発生用の網目状構造物が設けられ、
サイクロンの下部には、液溜が設けられ、
気液接触用のスペースとしてサイクロン略上半分は該スパイラル状フィンが設けられないようにすると共に、気液接触した浮遊物質に遠心力を付与するスペースとしてサイクロン略下半分は該スパイラル状フィンが設けられるような配置とすることを特徴とするサイクロン式空気浄化装置。 An air intake / delivery means for inhaling air to be purified containing suspended solids and delivering it to the cyclone;
An introduction part for introducing the air delivered from the air intake and delivery means into a cyclone;
In a cyclonic air purifying device comprising a cyclone having an inner cylinder and an outer cylinder,
The introduction part and the cyclone upper part are arranged a gas-liquid contact mist injection part,
A spiral fin is fixed to the inner cylinder,
A gap is provided between the outer peripheral portion of the spiral fin and the inner wall of the outer cylinder so as not to contact each other,
A network structure for generating turbulence is provided near the air inlet at the top of the cyclone,
A liquid reservoir is provided at the bottom of the cyclone,
The spiral fin is not provided in the upper half of the cyclone as a space for gas-liquid contact, and the spiral fin is provided in the lower half of the cyclone as a space for imparting centrifugal force to the suspended matter in gas-liquid contact. The cyclone type air purifying device characterized by being arranged as described above .
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