JPH11216328A - Device for removing nitrogen oxide of low concentration - Google Patents
Device for removing nitrogen oxide of low concentrationInfo
- Publication number
- JPH11216328A JPH11216328A JP10018571A JP1857198A JPH11216328A JP H11216328 A JPH11216328 A JP H11216328A JP 10018571 A JP10018571 A JP 10018571A JP 1857198 A JP1857198 A JP 1857198A JP H11216328 A JPH11216328 A JP H11216328A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- main body
- blower
- filter
- power supply
- 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
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車用道路の交
差点・沿道などに設置し、これらの空間に滞留する自動
車からの排気ガス中のＮＯ2を浄化する装置に関する。The present invention relates has established such an intersection, roadside automobile road, a device for purifying the NO 2 in the exhaust gas from vehicles staying in these spaces.
【０００２】[0002]
【従来の技術】近年、大都市部の自動車用道路の交差点
・沿道では自動車からの排気ガスのために、ＮＯ2濃度
が環境基準値を上回ってしまう区域が少なからず存在し
ている。そしてこのような大気開放空間における空気浄
化の必要性に対応すべく、自動車排気ガス浄化装置の開
発も進められているが、従来、この種のものは大型であ
って広大な設置面積を要し、既存の交差点・沿道に設置
することは容易でなく、最近では小型のものも考えられ
ており、特開平７−２９９３２５号公報や特開平９−３
８４６１号公報に記載されたものが知られている。2. Description of the Related Art In recent years, at the intersections and roadsides of automobile roads in large cities, there are not a few areas where the NO 2 concentration exceeds an environmental standard value due to exhaust gas from automobiles. In order to respond to the necessity of purifying air in such open-to-atmosphere, the development of automobile exhaust gas purifiers is also being promoted, but this type has conventionally been large and requires a large installation area. However, it is not easy to install them at existing intersections and roadsides, and recently, small ones have been considered, and Japanese Patent Application Laid-Open Nos. 7-299325 and 9-3
The one described in JP 8461 is known.
【０００３】すなわち、排気ガス中の浮遊粉じんを有機
吸着材層で吸着し、窒素酸化物を分解するバクテリア生
息土層で排気ガスを浄化するものである。また、ＮＯX
の吸収材を塗布したフィルターを用いたものをガードレ
ールに固定し設置するものである。[0003] That is, floating dust in exhaust gas is adsorbed by an organic adsorbent layer, and the exhaust gas is purified by a bacterial habitat layer that decomposes nitrogen oxides. NO X
A filter using a filter coated with an absorbent is fixed to a guardrail and installed.
【０００４】[0004]
【発明が解決しようとする課題】このような従来の自動
車排気ガス浄化装置では、バクテリア生息土層中のバク
テリアを活性化させておくための保全に多大の費用を要
するという課題があり、装置の保守保全を簡素にするこ
とが要求されている。In such a conventional vehicle exhaust gas purifying apparatus, there is a problem that a large amount of cost is required for maintenance for activating the bacteria in the bacterial inhabiting soil layer. There is a need to simplify maintenance.
【０００５】また、従来のように排気ガス中のＮＯXを
構成するＮＯとＮＯ2の双方を除去し、ＮＯX全体の濃度
を低減しようとしたために、設備費および維持費共に多
大の金額を要するという課題があり、ＮＯXの成分の中
でも特に環境基準により規制されているＮＯ2を重点的
に除去することに着目されている。[0005] Further, since both NO and NO 2 constituting NO X in the exhaust gas are conventionally removed to reduce the concentration of NO X as a whole, a large amount of equipment and maintenance costs are required. There is a problem that it is necessary, and attention has been paid to the intensive removal of NO 2 , which is regulated by environmental standards, among the components of NO X.
【０００６】本発明は、このような従来の課題を解決す
るものであり、保全を簡便にすることができ、また、環
境基準による規制有害物質のＮＯ2を重点的に除去する
ことのできる低濃度窒素酸化物除去装置を提供すること
を目的としている。[0006] The present invention solves the above-mentioned conventional problems, can simplify the maintenance, and can reduce NO 2 as a harmful substance regulated by environmental standards. It is an object of the present invention to provide an apparatus for removing nitrogen oxides having a high concentration.
【０００７】[0007]
【課題を解決するための手段】本発明の低濃度窒素酸化
物除去装置は上記目的を達成するために、アルカリ性の
フィルターを備えたものである。The low-concentration nitrogen oxide removing apparatus of the present invention is provided with an alkaline filter in order to achieve the above object.
【０００８】本発明によれば、環境基準値により規制さ
れている排気ガス中のＮＯ2を、化学反応により重点的
に吸収除去することができ、かつ保全が簡便である低濃
度窒素酸化物除去装置が得られる。According to the present invention, NO 2 in exhaust gas regulated by environmental standard values can be mainly absorbed and removed by a chemical reaction and low-concentration nitrogen oxide removal which is easy to maintain. A device is obtained.
【０００９】[0009]
【発明の実施の形態】本発明は、吸気口と排気口を有す
る本体内に、吸気口側から、粉じん捕集のろ過集じん用
フィルター、酸性ガスを化学反応により吸収除去するア
ルカリ性フィルターおよび送風機を備え、送風機によっ
て吸気口から道路付近の空気を吸い込み、まず、ろ過集
じん用フィルターで浮遊粉じんを捕集する。空気中の排
気ガスで有害性の大きい成分であるＮＯ2はアルカリ性
フィルターで化学反応により吸収除去されるという作用
を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention provides a filter for collecting dust, a filter for absorbing and removing an acidic gas by a chemical reaction, and a blower in a main body having an intake port and an exhaust port from the intake port side. The air near the road is sucked from the intake port by a blower, and first, the suspended dust is collected by a filter for filtering and collecting dust. NO 2, which is a highly harmful component in exhaust gas in the air, has the effect of being absorbed and removed by a chemical reaction in an alkaline filter.
【００１０】また、本体の排気口は下向きとしたもので
あり、屋外に設置されても格別な構造にすることなく雨
水や異物が本体内へ侵入することが防げると共に歩行者
の耳での騒音レベルを低減させることもできる。Further, the exhaust port of the main body is directed downward, so that it is possible to prevent rainwater and foreign substances from entering the main body without having a special structure even when installed outdoors, and to make noise at the ear of a pedestrian. The level can also be reduced.
【００１１】また、送風機の電源配線と分岐電源接続部
からの配線を外部電源接続部に電気的に接続した配線構
造としたものであり、設置場所の環境の変化によって本
体を増設する場合でも電源ケーブルの増設工事をしない
ですることができる。Further, the power supply wiring of the blower and the wiring from the branch power supply connection portion are electrically connected to the external power supply connection portion, so that the power supply can be provided even when the main body is added due to a change in the environment of the installation location. This can be done without adding cables.
【００１２】また、Ｕ字形の切欠部を有する伸縮可能な
本体取付板を設けたものであり、ガードレールの支持円
柱の間へ装置本体を固定することができる。In addition, an extendable main body mounting plate having a U-shaped notch is provided so that the main body of the apparatus can be fixed between the supporting columns of the guard rail.
【００１３】また、送風機の吹出口と本体の排気口を連
結する排気路に他の本体の排気路を接続する接続口を有
するものであり、複数の本体を隣接して設けた場合の集
中排気を簡単にすることができる。An exhaust passage connecting an air outlet of the blower and an exhaust outlet of the main body has a connection port for connecting an exhaust passage of another main body, and a centralized exhaust when a plurality of main bodies are provided adjacent to each other. Can be simplified.
【００１４】以下、本発明の実施例について図面を参照
しながら説明する。Hereinafter, embodiments of the present invention will be described with reference to the drawings.
【００１５】[0015]
【実施例】（実施例１）図１および図２に示すように、
除去装置本体１は鋼板で箱形に形成され、通常道路側に
対面する正面が吸込口２としてほぼ全面が開口し、雨水
や紙屑、また通行車輌によって弾かれた小石等の侵入を
防止するためガラリ３が取付けられている。その内側に
はろ過集じん用フィルター４が設けられ不織布等の繊維
網によって粉じんを捕集する。次にアルカリ性フィルタ
ー５が設けられており所要面積を有するフィルター枠体
６に所定の大きさに形成されたハニカム状の吸収材７が
所要量はめ込まれている。そしてその下流側に前記の吸
込口２から外気を吸込む遠心型の送風機８が設けられ、
装置本体１の上面に排気口９が開口するように構成さ
れ、この排気口９には異物や雨水の侵入を防止するため
の金属網１０と排気口カバー１１が設けられている。(Embodiment 1) As shown in FIGS. 1 and 2,
The removal device body 1 is formed in a box shape from a steel plate, and the front surface facing the road side is generally open almost entirely as a suction port 2 to prevent intrusion of rainwater, paper debris, and pebbles flipped by a passing vehicle. The gallery 3 is attached. A filter 4 for filtering and collecting dust is provided on the inside of the filter, and the dust is collected by a fiber net such as a nonwoven fabric. Next, a required amount of honeycomb-shaped absorber 7 formed in a predetermined size is fitted in a filter frame 6 having an alkaline filter 5 and having a required area. A centrifugal blower 8 for sucking outside air from the suction port 2 is provided downstream thereof,
An exhaust port 9 is configured to open on the upper surface of the apparatus main body 1, and the exhaust port 9 is provided with a metal net 10 and an exhaust port cover 11 for preventing intrusion of foreign matters and rainwater.
【００１６】上記構成において、送風機８を運転すると
通行する自動車からの排気ガスを含む空気は吸込口２か
ら吸込まれ、まずろ過集じん用フィルター４で粉じんが
取り除かれ、次にアルカリ性フィルター５を通過すると
きＮＯ2やＳＯ2の酸性ガスが吸収材７に含まれるアルカ
リと中和反応を起こし、塩として常温・常圧で吸収除去
され送風機８を通って排気口９から放出されることとな
る。In the above configuration, when the blower 8 is operated, the air containing exhaust gas from the passing automobile is sucked through the suction port 2, the dust is first removed by the filter 4, and then passes through the alkaline filter 5. At this time, the acidic gas of NO 2 or SO 2 causes a neutralization reaction with the alkali contained in the absorbent 7, is absorbed and removed as a salt at normal temperature and normal pressure, and is discharged from the exhaust port 9 through the blower 8. .
【００１７】このようにＮＯ2やＳＯ2の酸性ガスを化学
反応によって吸収除去するため一度吸収したものは再放
出されず、除去装置本体１が設置された空間のＮＯ2濃
度を低下させることができる。As described above, since the acidic gas such as NO 2 or SO 2 is absorbed and removed by the chemical reaction, the once absorbed gas is not re-emitted, and the NO 2 concentration in the space where the removing device main body 1 is installed can be reduced. it can.
【００１８】図３ないし図５は本発明による除去装置本
体１の設置状態を示す。なお、アルカリ性フィルター５
に替えて活性炭素系の還元触媒を用いてＮＯ2をＮＯに
還元することで除去装置本体１が設置された空間のＮＯ
2濃度を低下させるという同様の効果が得られるもので
ある。FIGS. 3 to 5 show the installation state of the removal apparatus main body 1 according to the present invention. The alkaline filter 5
Instead of reducing NO 2 to NO using an activated carbon-based reduction catalyst, NO in the space where the removal device main body 1 is installed is reduced.
(2 ) A similar effect of lowering the concentration can be obtained.
【００１９】なお、ろ過集じん用フィルター４に替えて
慣性衝突集じん用フィルターを使用するとその構造上、
ガラリ３を不要とすることができる。なおまた、ろ過集
じん用フィルター４を電気集じん機としてもその作用効
果に差異を生じない。When an inertial collision dust filter is used in place of the filter 4 for filtering and collecting dust,
The gallery 3 can be made unnecessary. Further, even if the filter 4 for filtering and collecting electricity is used as an electric dust collector, there is no difference in the operation and effect.
【００２０】（実施例２）図６は排気口１３を下方に設
けた除去装置本体１２を示し、送風機８の吹出口１５を
下向きに取付け下方に排気口１３を設けることにより、
排気口１３から内部への雨水や異物等の侵入防止と、送
風機８の運転騒音の発生源と装置付近の歩行者の耳まで
の距離を遠くすることで、歩行者の耳での騒音レベルを
低減させることが格別の配慮なくできるものである。(Embodiment 2) FIG. 6 shows a removing apparatus main body 12 having an exhaust port 13 provided below. The blower outlet 8 of the blower 8 is attached downward and the exhaust port 13 is provided below.
Preventing rainwater and foreign matter from entering the inside from the exhaust port 13 and increasing the distance between the source of the operating noise of the blower 8 and the pedestrian's ear near the device, thereby reducing the noise level at the pedestrian's ear. It can be reduced without special consideration.
【００２１】図７は、送風機８の吹出口１５は上向き
に、排気口１７は下方とした除去装置本体１４を示し、
送風機８の吹出口１５と接続された排気路１６を引き回
し、下方へ排気口１７を設けることで運転騒音の発生源
から歩行者の耳までの距離を遠くすることができ、歩行
者の耳での騒音レベルを低減させることができるもので
ある。FIG. 7 shows the removing device body 14 with the blower outlet 15 of the blower 8 facing upward and the exhaust port 17 facing downward.
By drawing the exhaust path 16 connected to the outlet 15 of the blower 8 and providing the exhaust port 17 downward, the distance from the source of the driving noise to the ear of the pedestrian can be increased, and Noise level can be reduced.
【００２２】（実施例３）図８および図９は送風機８の
吹出方向と排気路１６の関係を示し、図８において遠心
型の送風機８の吹出口１５は除去装置本体１４内の上向
きに配置され、吹出口１５と接続された排気路１６を引
き回し、下方へ排気口１７が設けられている。そして吹
出口１５からの排気の吹出方向を、鉛直上向き方向から
排気路１６の水平部分における気流方向へ、所定角度θ
傾けて取付けるよう構成されているので、吹出口１５か
らの排気は排気路１６に直角に流入しないので、吹出口
１５からの排気と排気路１６の壁面との衝突による圧力
損失を減少できる。(Embodiment 3) FIGS. 8 and 9 show the relationship between the blowing direction of the blower 8 and the exhaust path 16. In FIG. 8, the outlet 15 of the centrifugal blower 8 is arranged upward in the removing device body 14. An exhaust path 16 connected to the outlet 15 is routed, and an exhaust port 17 is provided below. The direction in which the exhaust gas is blown out from the outlet 15 is changed from a vertically upward direction to an airflow direction in a horizontal portion of the exhaust path 16 by a predetermined angle θ.
The exhaust from the outlet 15 does not flow at a right angle into the exhaust path 16 because it is configured to be mounted at an angle, so that the pressure loss due to the collision between the exhaust from the outlet 15 and the wall of the exhaust path 16 can be reduced.
【００２３】図９は２台の送風機を有し処理風量が大き
くなる場合を示す。除去装置本体１９は２台の送風機８
を回転軸が平行な状態に設けたもので、上記送風機８の
吐出方向の傾きを異なる所定角度θ1，θ2に設定するこ
とで、除去装置本体１９内に設置された送風機８の排気
経路における圧力損失を極力均等にすることで、２台の
送風機８がほぼ同等の性能を出すことができる。したが
って除去装置本体１９内の内部気流をほぼ均一にするこ
とができるので、除去装置本体１９内に設置されたアル
カリ性フィルター５の除去性能を一様にすることができ
ることとなる。FIG. 9 shows a case where two blowers are provided and the processing air volume is large. The removal device main body 19 includes two blowers 8.
Are set in a state where the rotation axes are parallel to each other. By setting the inclination of the discharge direction of the blower 8 to different predetermined angles θ 1 and θ 2 , the exhaust path of the blower 8 installed in the removal device main body 19 is set. , The two blowers 8 can exhibit substantially the same performance. Therefore, since the internal air flow in the removing device main body 19 can be made substantially uniform, the removal performance of the alkaline filter 5 installed in the removing device main body 19 can be made uniform.
【００２４】また、２台以上の複数台の送風機を除去装
置本体内に設けるときにおいても、各送風機の吐出方向
の傾きを異なる所定角度に設定することで、同様の効果
が得られる。Even when two or more blowers are provided in the removing device main body, the same effect can be obtained by setting the inclination of the discharge direction of each blower to a different predetermined angle.
【００２５】（実施例４）図１０は除去装置を複数台隣
接して設置する場合の電源接続を示し、配電盤２０から
の電源は最初の除去装置本体１Ａの内部に設けられる外
部電源接続部２１へ接続され送風機８のモーターおよび
別途設けられる分岐電源接続部２２へ並列に接続され
る。そして２台目の除去装置本体１Ｂを増設するに際し
ては、増設する側の外部電源接続部２１を既設側の分岐
電源接続部２２へ接続することで電源が得られることと
なり、除去装置を増設するに際して特別な電気配線工事
が不要となる。なお、電源接続部はコネクタ接続構造と
することで更に簡便とすることができる。(Embodiment 4) FIG. 10 shows a power supply connection when a plurality of removal devices are installed adjacent to each other. A power supply from a switchboard 20 is connected to an external power supply connection portion 21 provided inside the first removal device main body 1A. And connected in parallel to a motor of the blower 8 and a separately provided branch power supply connection unit 22. When the second removal device main body 1B is added, power is obtained by connecting the external power supply connection portion 21 on the extension side to the branch power supply connection portion 22 on the existing side, and the removal device is added. In this case, no special electrical wiring work is required. Note that the power supply connection portion can be further simplified by adopting a connector connection structure.
【００２６】図１１ないし図１４は電源接続コードの接
続口を示し、図において除去装置本体１の一方の側面に
設けた接続口凸部２３は、中央を開口し外周にフランジ
２４を有する突出部である。そしてこの接続口凸部２３
の丁度対面位置となる他面に、中央部が接続口凸部２３
の突出部を挿入する開口を有するフランジ２４Ａが所定
寸法離れて設けられた接続口凹部２５が構成され、前記
の電源接続コードを隣接する本体と接続して後に本体を
寄せて接続口凹凸部２５，２３を接続する。このとき双
方のフランジ２４，２４Ａが接触するので、このフラン
ジの上下をはさむようにＵ溝片２６を２本平行に固定し
た固定金具２７を除去装置本体１にねじ止めすることで
通電部分は安全に保護されることとなる。FIGS. 11 to 14 show the connection port of the power supply connection cord. In the figures, the connection port projection 23 provided on one side of the removing device main body 1 has a projection opening at the center and having a flange 24 on the outer periphery. It is. And this connection port convex portion 23
On the other surface which is just the facing position, the central portion is the connection port convex portion 23.
Is formed with a flange 24A having an opening for inserting the projection of the power supply connection cord at a predetermined distance, and the power supply connection cord is connected to an adjacent main body, and then the main body is brought closer to form the connection opening concave / convex portion 25. , 23 are connected. At this time, since both flanges 24 and 24A are in contact with each other, a fixing metal fitting 27 having two U-groove pieces 26 fixed in parallel so as to sandwich the upper and lower sides of this flange is screwed to the removing device body 1 so that the energized portion is safe. Will be protected.
【００２７】（実施例５）図１５ないし図１７は除去装
置本体を道路のガードレールに取付ける状態を示す。(Embodiment 5) FIGS. 15 to 17 show a state in which the removing device main body is mounted on a road guardrail.
【００２８】図において本体取付金具２８はＬ形の金具
で鉛直面を除去装置本体１の両側面にねじ止めする。他
方の水平面には長孔２９が２箇所平行して設けられてい
る。そしてＵ形の切欠部３０を設けた係止片３１が長孔
２９にねじ止めされる構成であり、ガードレールのポー
ル部３２にＵ形の切欠部３０が合うように取付けること
で本体はガードレールに係止されることとなる。In the figure, a main body mounting bracket 28 is an L-shaped bracket, and a vertical plane is screwed to both side surfaces of the removing apparatus main body 1. On the other horizontal surface, two long holes 29 are provided in parallel. The locking piece 31 provided with the U-shaped notch 30 is screwed into the elongated hole 29. The main body is attached to the guard rail by attaching the U-shaped notch 30 to the guard rail pole 32. It will be locked.
【００２９】（実施例６）図１８および図１９は除去装
置本体１４，１９において複数台を隣接して設置し、か
つ排気をまとめて放出する場合の各排気路１６の接続構
造を示し、図１８において排気路１６の水平部分の両端
に該当する本体の上面Ｘ、側面Ｙおよび背面Ｚの角部に
排気接続開口３３を設け、本体を単独排気で設置の場合
は排気接続開口３３にカバー３４，３５をねじ止めし塞
いでおくものである。(Embodiment 6) FIGS. 18 and 19 show the connection structure of each exhaust passage 16 when a plurality of removal units are installed adjacent to each other in the removal apparatus main bodies 14 and 19 and exhaust gas is discharged collectively. In FIG. 18, exhaust connection openings 33 are provided at the corners of the upper surface X, the side surface Y, and the back surface Z corresponding to both ends of the horizontal portion of the exhaust passage 16. , 35 are screwed and closed.
【００３０】そして排気路１６を接続するときは、隣合
う除去装置本体１４，１９両方に跨っている排気接続開
口３３を排気接続カバー３７でねじ止めして塞ぐ。この
排気接続カバー３７は、折り曲げ板に角状の管材が取付
けられ、管材の開口部は気流が通るようになっている。
除去装置本体１４，１９両方に跨っている排気接続開口
３３に挿入することで、鉛直方向の排気路１６の開口部
３６を塞ぎつつ、除去装置本体１４の排気路１６と除去
装置本体１９の排気路１６を接続できる。When the exhaust passage 16 is connected, the exhaust connection opening 33 extending over both of the adjacent removal device main bodies 14 and 19 is screwed and closed with the exhaust connection cover 37. The exhaust connection cover 37 is configured such that a square pipe is attached to a bent plate, and an air flow passes through an opening of the pipe.
By being inserted into the exhaust connection opening 33 straddling both the removal device main bodies 14 and 19, the exhaust passage 16 of the removal device main body 14 and the exhaust of the removal device main body 19 are closed while closing the opening 36 of the vertical exhaust passage 16. Road 16 can be connected.
【００３１】上記構成において、複数台の除去装置の排
気を集合させるとき、除去装置本体の排気路の接続を接
続部における圧力損失を増加させることなく簡単に行う
ことができる。また複数の除去装置の排気を集合させる
ことで、交差点等多人数が滞留するような場所へ浄化空
気を集中排気することも簡単にできることとなる。In the above configuration, when the exhaust gas from the plurality of removal devices is collected, the exhaust path of the removal device body can be easily connected without increasing the pressure loss at the connection portion. In addition, by collecting the exhaust gas from the plurality of removal devices, it is possible to easily exhaust the purified air to a place where a large number of people stay, such as an intersection.
【００３２】また隣合う除去装置本体が接していなくて
も、接続排気カバーを必要に応じた長さにすることで、
同様の効果が得られる。Even if the adjacent removal device bodies are not in contact with each other, the connection exhaust cover can be made as long as necessary,
Similar effects can be obtained.
【００３３】[0033]
【発明の効果】以上の実施例から明らかなように本発明
によれば、道路近辺における浮遊粉じんおよび排気ガス
中のＮＯ2等の酸性ガスを重点的に除去する自立型の装
置であるから、空気汚染度の高い道路交差点・沿道付近
などへ、その必要規模に応じて簡便に設置でき、比較的
有害性の大きいＮＯ2を効率よく重点的に除去できると
いう効果のある低濃度窒素酸化物除去装置を提供でき
る。As is apparent from the above embodiments, according to the present invention, since the present invention is a self-standing type device for mainly removing an airborne gas near a road and an acidic gas such as NO 2 in exhaust gas, to such a high road intersections, roadside near the air pollution level, the need can easily installed in accordance with the scale, relatively a hazard for large NO 2 is effective that can be efficiently focused remove low concentrations of nitrogen oxides removed Equipment can be provided.
【００３４】また、処理空気の排気口を下向きとするこ
とで格別な構造にすることなく外部から異物等の侵入を
防止し、不特定多人数が往来する場所へ設置しても安全
性が高いという効果のある低濃度窒素酸化物除去装置を
提供できる。Further, since the exhaust port of the processing air is directed downward, it is possible to prevent foreign matter and the like from entering from outside without having a special structure, and high safety is ensured even when the apparatus is installed in a place where an unspecified number of people come and go. It is possible to provide an apparatus for removing low-concentration nitrogen oxides, which has the above effect.
【００３５】また、内蔵される送風機の吹出方向を排気
路の気流方向へ傾けることにより、排気の気流の乱れを
抑え圧力損失を減少でき、効率よく省エネルギー効果の
ある低濃度窒素酸化物除去装置を提供できる。Also, by inclining the blow-out direction of the built-in blower in the direction of the airflow in the exhaust passage, it is possible to suppress the turbulence of the exhaust airflow and reduce the pressure loss, and to efficiently provide a low-concentration nitrogen oxide removing apparatus having an energy-saving effect. Can be provided.
【００３６】また、外部電源の接続を隣接する複数台が
相互に連結できることで必要に応じて増設する場合でも
電源工事が簡便であるという効果のある低濃度窒素酸化
物除去装置を提供できる。In addition, since a plurality of adjacent power supplies can be connected to each other, a low-concentration nitrogen oxide removing apparatus can be provided which has an effect of simplifying power supply work even when the power supply is expanded as required.
【００３７】また、道路付近に通常設置されているガー
ドレール空間部に挿入することで簡便に設置でき、かつ
通行の障害にならないという効果のある低濃度窒素酸化
物除去装置を提供できる。Further, it is possible to provide a low-concentration nitrogen oxide removing apparatus which can be easily installed by being inserted into a guardrail space normally installed near a road and which does not obstruct traffic.
【００３８】また、複数台の低濃度窒素酸化物除去装置
の排気を集合させるとき、排気路の接続が簡単にでき、
複数台にわたる浄化処理済の排気空気を集合して排気す
ることにより、交差点等多人数が停滞する場所へ浄化空
気を集中して大量に放出し環境浄化の効果を有用できる
低濃度窒素酸化物除去装置を提供できる。Further, when collecting the exhaust gas of a plurality of low-concentration nitrogen oxide removing apparatuses, the exhaust path can be easily connected.
Collecting and exhausting exhaust air that has been subjected to purification treatment over multiple units removes low-concentration nitrogen oxides, which can be used to concentrate and release large amounts of purified air to places where many people are stagnant, such as at intersections, and to use environmental purification effects. Equipment can be provided.
【図１】本発明の実施例１の装置本体を示す側断面図FIG. 1 is a side sectional view showing an apparatus main body according to a first embodiment of the present invention.
【図２】同外観斜視図FIG. 2 is an external perspective view of the same.
【図３】本発明の装置の交差点への設置図FIG. 3 is a view showing installation of the device of the present invention at an intersection.
【図４】同自動車道路沿いでの設置図Fig. 4 Installation diagram along the motorway
【図５】同自動車道路上方への設置図Fig. 5 Installation diagram above the motorway
【図６】本発明の実施例２の下向き送風機を示す要部破
断斜視図FIG. 6 is a cutaway perspective view of a main part showing a downward blower according to a second embodiment of the present invention.
【図７】同上向き送風機を示す要部破断斜視図FIG. 7 is a cutaway perspective view of a main part showing the upward blower.
【図８】本発明の実施例３の単数送風機での要部破断斜
視図FIG. 8 is a fragmentary perspective view of a single blower according to a third embodiment of the present invention.
【図９】同複数送風機での要部破断斜視図FIG. 9 is an exploded perspective view of a main part of the multiple blower.
【図１０】本発明の実施例４の電源接続図FIG. 10 is a power supply connection diagram according to a fourth embodiment of the present invention.
【図１１】同電源接続用開口部の外観斜視図FIG. 11 is an external perspective view of the power supply connection opening.
【図１２】同側断面図FIG. 12 is a sectional side view of the same.
【図１３】同接続状態を示す斜視図FIG. 13 is a perspective view showing the connection state.
【図１４】同固定金具の外観図FIG. 14 is an external view of the fixing bracket.
【図１５】本発明の実施例５の本体取付金具の分解斜視
図FIG. 15 is an exploded perspective view of a main body mounting bracket according to a fifth embodiment of the present invention.
【図１６】同取付状態図FIG. 16 is a mounting state diagram of the same.
【図１７】同設置状態図FIG. 17 is an installation state diagram of the same.
【図１８】本発明の実施例６の排気路接続構造を示す斜
視図FIG. 18 is a perspective view showing an exhaust passage connection structure according to a sixth embodiment of the present invention.
【図１９】同排気路接続状態斜視図FIG. 19 is a perspective view of the same exhaust path connection state.
１ 除去装置本体 ２ 吸込口 ３ ガラリ ４ ろ過集じん用フィルター ５ アルカリ性フィルター ６ フィルター枠体 ７ 吸収材 ８ 送風機 ９ 排気口 １０ 金属網 １１ 排気口カバー １２ 除去装置本体 １３ 排気口 １４ 除去装置本体 １５ 吹出口 １６ 排気路 １７ 排気口 １８ 羽根車 １９ 除去装置本体 ２０ 配電盤 ２１ 外部電源接続部 ２２ 分岐電源接続部 ２３ 接続口凸部 ２４ フランジ ２５ 接続口凹部 ２６ Ｕ溝片 ２７ 固定金具 ２８ 本体取付金具 ２９ 長孔 ３０ 切欠部 ３１ 係止片 ３２ ポール部 ３３ 排気接続開口 ３４ カバー ３５ カバー ３６ 開口部 ３７ 排気接続カバー Ｘ 上面 Ｙ 側面 Ｚ 背面 DESCRIPTION OF SYMBOLS 1 Removal apparatus main body 2 Suction port 3 Gutter 4 Filter for filtering and collecting dust 5 Alkaline filter 6 Filter frame 7 Absorber 8 Blower 9 Exhaust port 10 Metal net 11 Exhaust port cover 12 Removal apparatus main body 13 Exhaust port 14 Removal apparatus main body 15 Blow Outlet 16 Exhaust path 17 Exhaust port 18 Impeller 19 Removal device main body 20 Switchboard 21 External power supply connection part 22 Branch power supply connection part 23 Connection port convex part 24 Flange 25 Connection port concave part 26 U groove piece 27 Fixing fitting 28 Main body mounting bracket 29 Length Hole 30 Notch 31 Locking piece 32 Pole 33 Exhaust connection opening 34 Cover 35 Cover 36 Opening 37 Exhaust connection cover X Top surface Y Side surface Z Back surface
─────────────────────────────────────────────────────
────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成１１年１月１４日[Submission date] January 14, 1999
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】特許請求の範囲[Correction target item name] Claims
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【特許請求の範囲】[Claims]
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、自動車用道路の交
差点・沿道などに設置し、これらの空間に滞留する自動
車からの排気ガス中のＮＯ2を浄化する装置に関する。The present invention relates has established such an intersection, roadside automobile road, a device for purifying the NO 2 in the exhaust gas from vehicles staying in these spaces.
【０００２】[0002]
【従来の技術】近年、大都市部の自動車用道路の交差点
・沿道では自動車からの排気ガスのために、ＮＯ2濃度
が環境基準値を上回ってしまう区域が少なからず存在し
ている。そしてこのような大気開放空間における空気浄
化の必要性に対応すべく、自動車排気ガス浄化装置の開
発も進められているが、従来、この種のものは大型であ
って広大な設置面積を要し、既存の交差点・沿道に設置
することは容易でなく、最近では小型のものも考えられ
ており、特開平７−２９９３２５号公報や特開平９−３
８４６１号公報に記載されたものが知られている。2. Description of the Related Art In recent years, at the intersections and roadsides of automobile roads in large cities, there are not a few areas where the NO 2 concentration exceeds an environmental standard value due to exhaust gas from automobiles. In order to respond to the necessity of purifying air in such open-to-atmosphere, the development of automobile exhaust gas purifiers is also being promoted, but this type has conventionally been large and requires a large installation area. However, it is not easy to install them at existing intersections and roadsides, and recently, small ones have been considered, and Japanese Patent Application Laid-Open Nos. 7-299325 and 9-3
The one described in JP 8461 is known.
【０００３】すなわち、排気ガス中の浮遊粉じんを有機
吸着材層で吸着し、窒素酸化物を分解するバクテリア生
息土層で排気ガスを浄化するものである。また、ＮＯX
の吸収材を塗布したフィルターを用いたものをガードレ
ールに固定し設置するものである。[0003] That is, floating dust in exhaust gas is adsorbed by an organic adsorbent layer, and the exhaust gas is purified by a bacterial habitat layer that decomposes nitrogen oxides. NO X
A filter using a filter coated with an absorbent is fixed to a guardrail and installed.
【０００４】[0004]
【発明が解決しようとする課題】このような従来の自動
車排気ガス浄化装置では、バクテリア生息土層中のバク
テリアを活性化させておくための保全に多大の費用を要
するという課題があり、装置の保守保全を簡素にするこ
とが要求されている。However, such a conventional automobile exhaust gas purifying apparatus has a problem that a large amount of maintenance is required for activating the bacteria in the bacterial inhabiting soil layer. There is a need to simplify maintenance.
【０００５】また、従来のように排気ガス中のＮＯXを
構成するＮＯとＮＯ2の双方を除去し、ＮＯX全体の濃度
を低減しようとしたために、設備費および維持費共に多
大の金額を要するという課題があり、ＮＯXの成分の中
でも特に環境基準により規制されているＮＯ2を重点的
に除去することに着目されている。[0005] Further, since both NO and NO 2 constituting NO X in the exhaust gas are conventionally removed to reduce the concentration of NO X as a whole, a large amount of equipment and maintenance costs are required. There is a problem that it is necessary, and attention has been paid to the intensive removal of NO 2 , which is regulated by environmental standards, among the components of NO X.
【０００６】本発明は、このような従来の課題を解決す
るものであり、保全を簡便にすることができ、また、環
境基準による規制有害物質のＮＯ2を重点的に除去する
ことのできる低濃度窒素酸化物除去装置を提供すること
を目的としている。[0006] The present invention solves the above-mentioned conventional problems, can simplify the maintenance, and can reduce NO 2 as a harmful substance regulated by environmental standards. It is an object of the present invention to provide an apparatus for removing nitrogen oxides having a high concentration.
【０００７】[0007]
【課題を解決するための手段】本発明の低濃度窒素酸化
物除去装置は上記目的を達成するために、アルカリ性の
フィルターを備えたものである。The low-concentration nitrogen oxide removing apparatus of the present invention is provided with an alkaline filter in order to achieve the above object.
【０００８】本発明によれば、環境基準値により規制さ
れている排気ガス中のＮＯ2を、化学反応により重点的
に吸収除去することができ、かつ保全が簡便である低濃
度窒素酸化物除去装置が得られる。According to the present invention, NO 2 in exhaust gas regulated by environmental standard values can be mainly absorbed and removed by a chemical reaction and low-concentration nitrogen oxide removal which is easy to maintain. A device is obtained.
【０００９】[0009]
【発明の実施の形態】本発明は、一面に吸気口と他の一
面に排気口を有する本体内に、吸気口側から、粉じん捕
集のろ過集じん用フィルター、酸性ガスを化学反応によ
り吸収除去するアルカリ性フィルターおよび送風機を備
え、送風機によって吸気口から道路付近の空気を吸い込
み、まず、ろ過集じん用フィルターで浮遊粉じんを捕集
する。空気中の排気ガスで有害性の大きい成分であるＮ
Ｏ2はアルカリ性フィルターで化学反応により吸収除去
されるという作用を有する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention has an air inlet and an air inlet on one side.
Inside the body with an exhaust port on the surface, a filter for dust collection and filtration, an alkaline filter that absorbs and removes acidic gas by a chemical reaction and a blower are provided from the intake port side, and the air near the road from the intake port by the blower First, the suspended dust is collected by a filter for filtering and collecting dust. N, which is a highly harmful component in exhaust gas in air
O 2 has an action of being absorbed and removed by a chemical reaction in an alkaline filter.
【００１０】また、本体の排気口は下向きとしたもので
あり、屋外に設置されても格別な構造にすることなく雨
水や異物が本体内へ侵入することが防げると共に歩行者
の耳での騒音レベルを低減させることもできる。Further, the exhaust port of the main body is directed downward, so that it is possible to prevent rainwater and foreign substances from entering the main body without having a special structure even when installed outdoors, and to make noise at the ear of a pedestrian. The level can also be reduced.
【００１１】また、送風機の吹出口からの排気を排気路
の壁面との衝突による圧力損失を減少できる構造とした
ものであり、本体の高さ方向を低くすることができ、車
道および歩道からの視界を確保できる。 [0011] Further , exhaust air from the blower outlet is exhausted to an exhaust path.
Structure to reduce pressure loss due to collision with the wall
It is possible to lower the height of the body,
The view from the road and the sidewalk can be secured.
【００１２】また、送風機の電源が隣接する本体の外部
電源接続部と分岐電源接続部を隣接設置用の電線で電気
的に接続することで電源が得られ、かつ通電部を安全に
保護できる構造としたものであり、設置場所の環境の変
化によって本体を増設する場合でも隣接設置の電線の増
設工事をしないですることができる。Also, the power supply of the blower is connected to the outside of the adjacent main body.
Electrical connection between power supply connection and branch power supply connection using electric wires for adjacent installation
Power supply is obtained by connecting
It is a structure that can be protected, and even if the main body is added due to a change in the environment of the installation location, it is possible to do without adding wires for the adjacent installation .
【００１３】また、本体側面の片側面、もしくは両側面
に転倒防止用のＵ形の切欠部を有する伸縮可能な本体取
付板を設けたものであり、ガードレールの支持円柱の間
へ装置本体を固定することができる。[0013] One or both sides of the body side
Is provided with an extendable body mounting plate having a U-shaped notch for preventing overturning , so that the apparatus body can be fixed between the supporting columns of the guardrail.
【００１４】また、送風機の吹出口と本体の排気口を連
結する排気路に他の本体の排気路を接続する隣接設置用
排気接続口を有するものであり、複数の本体を隣接して
設置、もしくは増設した場合の集中排気を簡単にするこ
とができる。[0014] Further, an adjacent installation for connecting an exhaust passage of another main body to an exhaust passage connecting an air outlet of the blower and an exhaust outlet of the main body .
It has an exhaust connection port , and a plurality of main bodies are
Centralized exhaust when installation or expansion is simplified.
【００１５】以下、本発明の実施例について図面を参照
しながら説明する。Hereinafter, embodiments of the present invention will be described with reference to the drawings.
【００１６】[0016]
【実施例】（実施例１）図１および図２に示すように、
除去装置本体１は鋼板で箱形に形成され、通常道路側に
対面する正面が吸込口２としてほぼ全面が開口し、雨水
や紙屑、また通行車輌によって弾かれた小石等の侵入を
防止するためガラリ３が取付けられている。その内側に
はろ過集じん用フィルター４が設けられ不織布等の繊維
網によって粉じんを捕集する。次にアルカリ性フィルタ
ー５が設けられており所要面積を有するフィルター枠体
６に所定の大きさに形成されたハニカム状の吸収材７が
所要量はめ込まれている。そしてその下流側に前記の吸
込口２から外気を吸込む遠心型の送風機８が設けられ、
除去装置本体１の上面に排気口９が開口するように構成
され、この排気口９には異物や雨水の侵入を防止するた
めの金属網１０と排気口カバー１１が設けられている。(Embodiment 1) As shown in FIGS. 1 and 2,
The removal device body 1 is formed in a box shape from a steel plate, and the front surface facing the road side is generally open almost entirely as a suction port 2 to prevent intrusion of rainwater, paper debris, and pebbles flipped by a passing vehicle. The gallery 3 is attached. A filter 4 for filtering and collecting dust is provided on the inside of the filter, and the dust is collected by a fiber net such as a nonwoven fabric. Next, a required amount of honeycomb-shaped absorber 7 formed in a predetermined size is fitted in a filter frame 6 having an alkaline filter 5 and having a required area. A centrifugal blower 8 for sucking outside air from the suction port 2 is provided downstream thereof,
An exhaust port 9 is configured to open on the upper surface of the removing device body 1, and the exhaust port 9 is provided with a metal net 10 and an exhaust port cover 11 for preventing intrusion of foreign matter and rainwater.
【００１７】上記構成において、送風機８を運転すると
通行する自動車からの排気ガスを含む空気は吸込口２か
ら吸込まれ、まずろ過集じん用フィルター４で粉じんが
取り除かれ、次にアルカリ性フィルター５を通過すると
きＮＯ2やＳＯ2の酸性ガスが吸収材７に含まれるアルカ
リと中和反応を起こし、塩として常温・常圧で吸収除去
され送風機８を通って排気口９から放出されることとな
る。In the above configuration, when the blower 8 is operated, air containing exhaust gas from a passing vehicle is sucked through the suction port 2, firstly, dust is removed by the filter 4 for dust collection and then passed through the alkaline filter 5. At this time, the acidic gas of NO 2 or SO 2 causes a neutralization reaction with the alkali contained in the absorbent 7, is absorbed and removed as a salt at normal temperature and normal pressure, and is discharged from the exhaust port 9 through the blower 8. .
【００１８】このようにＮＯ2やＳＯ2の酸性ガスを化学
反応によって吸収除去するため一度吸収したものは再放
出されず、除去装置本体１が設置された空間のＮＯ2濃
度を低下させることができる。As described above, since the acidic gas such as NO 2 or SO 2 is absorbed and removed by the chemical reaction, the once absorbed gas is not re-emitted, and the NO 2 concentration in the space where the removing device main body 1 is installed can be reduced. it can.
【００１９】また、道路側に対面する正面が吸込口２と
してほぼ全面を開口とすることで、大気開放空間におけ
る道路付近の空気を除去装置本体１内に効率よく取り込
むこごができる。 The front facing the road side is the suction port 2.
By opening almost the entire surface, the
Efficiently take air near the road into the removal device body 1
Mukogo can be.
【００２０】図３ないし図５は本発明による除去装置本
体１の設置状態を示す。なお、アルカリ性フィルター５
に替えて活性炭素系の還元触媒を用いてＮＯ2をＮＯに
還元することで除去装置本体１が設置された空間のＮＯ
2濃度を低下させるという同様の効果が得られるもので
ある。FIGS. 3 to 5 show the installation state of the removal apparatus main body 1 according to the present invention. The alkaline filter 5
Instead of reducing NO 2 to NO using an activated carbon-based reduction catalyst, NO in the space where the removal device main body 1 is installed is reduced.
(2 ) A similar effect of lowering the concentration can be obtained.
【００２１】なお、ろ過集じん用フィルター４に替えて
慣性衝突集じん用フィルターを使用するとその構成上、
ガラリ３を不要とすることができる。なおまた、ろ過集
じん用フィルター４を電気集じん機としてもその作用効
果に差異を生じない。When an inertial collision dust collection filter is used instead of the filtration dust collection filter 4,
The gallery 3 can be made unnecessary. Further, even if the filter 4 for filtering and collecting electricity is used as an electric dust collector, there is no difference in the operation and effect.
【００２２】（実施例２）図６は排気口１３を下方に設
けた除去装置本体１２を示し、送風機８の吹出口１５を
下向きに取付け下方に排気口１３を設けることにより、
排気口１３から内部への雨水や異物等の侵入防止と、送
風機８の運転騒音の発生源と装置付近の歩行者の耳まで
の距離を遠くすることで、歩行者の耳での騒音レベルを
低減させることが格別の配慮なくできるものである。(Embodiment 2) FIG. 6 shows a removing device main body 12 provided with an exhaust port 13 below, and an exhaust port 13 of a blower 8 is attached downward to provide an exhaust port 13 below.
Preventing rainwater and foreign matter from entering the inside from the exhaust port 13 and increasing the distance between the source of the operating noise of the blower 8 and the pedestrian's ear near the device, thereby reducing the noise level at the pedestrian's ear. It can be reduced without special consideration.
【００２３】図７は、送風機８の吹出口１５は上向き
に、排気口１７は下方とした除去装置本体１４を示し、
送風機８の吹出口１５と接続された排気路１６を引き回
し、下方へ排気口１７を設けることで運転騒音の発生源
から歩行者の耳までの距離を遠くすることができ、歩行
者の耳での騒音レベルを低減させることができるもので
ある。FIG. 7 shows the removal device main body 14 with the blower outlet 15 of the blower 8 facing upward and the exhaust port 17 facing downward.
By drawing the exhaust path 16 connected to the outlet 15 of the blower 8 and providing the exhaust port 17 downward, the distance from the source of the driving noise to the ear of the pedestrian can be increased, and Noise level can be reduced.
【００２４】（実施例３）図８および図９は送風機８の
吹出方向と排気路１６の関係を示し、図８において遠心
型の送風機８の吹出口１５は除去装置本体１４内の上向
きに配置され、吹出口１５と接続された排気路１６を引
き回し、下方へ排気口１７が設けられている。そして吹
出口１５からの排気の吹出方向を、送風機８の回転軸と
直交する面上で鉛直上向き方向から排気路１６の水平部
分における気流方向へ、所定角度θ傾けて取付けるよう
構成されているので、吹出口１５からの排気は排気路１
６に直角に流入しないので、吹出口１５からの排気と排
気路１６の壁面との衝突による圧力損失を減少できる。(Embodiment 3) FIGS. 8 and 9 show the relationship between the blowing direction of the blower 8 and the exhaust path 16. In FIG. 8, the outlet 15 of the centrifugal blower 8 is arranged upward in the removing device main body 14. An exhaust path 16 connected to the outlet 15 is routed, and an exhaust port 17 is provided below. Then, the direction of the exhaust air from the outlet 15 is defined as the rotation axis of the blower 8.
It is configured to be attached at a predetermined angle θ from a vertically upward direction on a plane orthogonal to the airflow direction in the horizontal portion of the exhaust path 16, so that exhaust from the outlet 15 is exhausted from the exhaust path 1.
6 does not flow at a right angle, the pressure loss due to the collision between the exhaust from the outlet 15 and the wall of the exhaust path 16 can be reduced.
【００２５】図９は２台の送風機を有し処理風量が大き
くなる場合を示す。除去装置本体１９は２台の送風機８
を回転軸が平行な状態に設けたもので、上記送風機８の
吐出方向の傾きを異なる所定角度θ1、θ2に設定するこ
とで、除去装置本体１９内に設置された送風機８の排気
経路における圧力損失を極力均等にすることで、２台の
送風機８がほぼ同等の性能を出すことができる。したが
って除去装置本体１９内の内部気流をほぼ均一にするこ
とができるので、除去装置本体１９内に設置されたアル
カリ性フィルター５の除去性能を一様にすることができ
ることとなる。FIG. 9 shows a case in which two blowers are provided and the processing air volume is large. The removal device main body 19 includes two blowers 8.
Are set in a state where the rotation axes are parallel to each other, and the inclination of the discharge direction of the blower 8 is set to different predetermined angles θ 1 and θ 2 , whereby the exhaust path of the blower 8 installed in the removal device main body 19 is set. , The two blowers 8 can exhibit substantially the same performance. Therefore, since the internal air flow in the removing device main body 19 can be made substantially uniform, the removal performance of the alkaline filter 5 installed in the removing device main body 19 can be made uniform.
【００２６】また、２台以上の複数台の送風機を除去装
置本体内に設けるときにおいても、各送風機の吐出方向
の傾きを異なる所定角度に設定することで、同様の効果
が得られる。Even when two or more blowers are provided in the removing device main body, the same effect can be obtained by setting the inclination of the discharge direction of each blower to a different predetermined angle.
【００２７】（実施例４）図１０は除去装置を複数台隣
接して設置する場合の電源接続を示し、配電盤２０から
の電源は最初の除去装置本体１Ａの内部に設けられる外
部電源接続部２１へ接続され送風機８のモーターおよび
別途設けられる分岐電源接続部２２へ並列に電気的に接
続される。そして２台目の除去装置本体１Ｂを設置、も
しくは増設するに際しては、設置、もしくは増設する側
の外部電源接続部２１に付属されている隣接設置用の電
線３８を既設側の分岐電源接続部２２へ電気的に接続す
ることで電源が得られることとなり、複数台隣接して除
去装置を設置、もしくは増設するに際して特別な電気配
線工事が不要となる。なお、電源接続部はコネクタ接続
構造とすることで更に簡便とすることができる。(Embodiment 4) FIG. 10 shows a power supply connection when a plurality of removal devices are installed adjacent to each other. A power supply from a switchboard 20 is connected to an external power supply connection portion 21 provided inside the first removal device main body 1A. electrically contact <br/> is continued in parallel to the motor and the branch power connection 22 separately provided in the attached blower 8 to. Then, the second removal device main body 1B is installed,
When installing or adding an external power supply to the external power supply connection unit 21 attached to the
Power is obtained by electrically connecting the line 38 to the existing branch power supply connection portion 22, and a special electric wiring work is required when installing or adding a plurality of removal devices adjacent to a plurality of devices. Becomes unnecessary. Note that the power supply connection portion can be further simplified by adopting a connector connection structure.
【００２８】図１１ないし図１４は隣接設置用の電線３
８の接続口を示し、図において除去装置本体１の一方の
側面に設けた隣接設置用接続口凸部２３は、中央を開口
し外周にフランジ２４を有する突出部である。そしてこ
の隣接設置用接続口凸部２３の丁度対面位置となる他面
に、中央部が隣接設置用接続口凸部２３の突出部を挿入
する開口を有するフランジ２４Ａが所定寸法離れて設け
られた隣接設置用接続口凹部２５が構成され、前記の隣
接設置用の電線３８を隣接する本体と接続して後に本体
を寄せて隣接設置用接続口凹凸部２５、２３を接続す
る。このとき双方のフランジ２４、２４Ａが接触するの
で、このフランジの上下をはさむようにＵ溝片２６を２
本平行に固定した固定金具２７を除去装置本体１にねじ
止めをすることで通電部分は安全に保護されるこことな
る。FIGS. 11 to 14 show electric wires 3 for adjacent installation .
The adjacent installation connection projection 23 provided on one side surface of the removal device main body 1 in the figure is a projection having an opening at the center and having a flange 24 on the outer periphery. And on the other surface to be exactly opposite the position of the installed adjacent connection opening protrusion 23, a flange 24A having an opening center portion is inserted into the protruding portion of the adjacent installation connection opening protrusion 23 is provided apart a predetermined dimension installed adjacent connection opening recess 25 is formed, the next
The connection installation wire 38 is connected to the adjacent main body, and then the main body is brought closer to connect the adjacent installation connection concave / convex portions 25 and 23. At this time, the two flanges 24 and 24A come into contact with each other.
The current-carrying part is safely protected by screwing the parallel fixing fixture 27 to the removing device main body 1.
【００２９】（実施例５）図１５ないし図１７は除去装
置本体を道路のガードレールに取付ける状態を示す。(Embodiment 5) FIGS. 15 to 17 show a state in which the main body of the removing device is mounted on a guardrail of a road.
【００３０】図において本体取付金具２８はＬ形の金具
で鉛直面を除去装置本体１の片側面、もしくは両側面に
ねじ止めする。他方の水平面には長孔２９が２箇所平行
して設けられている。そして転倒防止用のＵ形の切欠部
３０を設けた係止片３１が長孔２９にねじ止めされる構
成であり、ガードレールのポール部３２に転倒防止用の
Ｕ形の切欠部３０が合うように取付けることで本体はガ
ードレールに係止されることとなる。In the figure, a main body mounting bracket 28 is an L-shaped bracket, and a vertical surface is screwed to one side surface or both side surfaces of the removing device main body 1. On the other horizontal surface, two long holes 29 are provided in parallel. A locking piece 31 provided with a U-shaped notch 30 for preventing falling is screwed into the long hole 29 so that the U-shaped notch 30 for preventing falling is fitted to the pole 32 of the guardrail. The main body is locked to the guardrail by attaching to the guardrail.
【００３１】（実施例６）図１８および図１９は除去装
置本体１４、１９において複数台を隣接して設置、もし
くは増設し、かつ排気をまとめて放出する場合の各排気
路１６の接続構造を示し、図１８において排気路１６の
水平部分の両端に該当する本体の上面Ｘ、側面Ｙおよび
背面Ｚの角部に隣接設置用排気接続開口３３を設け、本
体を単独排気で、すなわち排気を分散して設置、もしく
は増設する場合は、隣接設置用排気接続開口３３にカバ
ー３４、３５をねじ止めし塞いでおくものである。[0031] (Embodiment 6) FIGS. 18 and 19 positioned adjacent a plurality in the removing apparatus main body 14 and 19, if
FIG. 18 shows a connection structure of each exhaust passage 16 when the exhaust passage 16 is additionally provided and exhaust is collectively discharged. In FIG. 18, corners of the upper surface X, the side surface Y, and the rear surface Z of the main body corresponding to both ends of the horizontal portion of the exhaust passage 16 The portion is provided with an exhaust connection opening 33 for adjacent installation , and the main body is installed with a single exhaust, that is, the exhaust is dispersed and installed.
In the case of expansion, covers 34 and 35 are screwed and closed in the exhaust connection opening 33 for adjacent installation .
【００３２】そして集合して排気するために排気路１６
を接続するときは、隣合う除去装置本体１４、１９両方
に跨っている隣接設置用排気接続開口３３を排気接続カ
バー３７でねじ止めして塞ぐ。この排気接続カバー３７
は、折り曲げ板に角状の管材が取付けられ、管材の開口
部は気流が通るようになっている。除去装置本体１４、
１９両方に跨っている隣接設置用排気接続開口３３に挿
入することで、鉛直方向の排気路１６の開口部３６を塞
ぎつつ、除去装置本体１４の排気路１６と除去装置本体
１９の排気路１６を接続できる。In order to collectively exhaust the exhaust gas, an exhaust passage 16 is provided.
Is connected, the exhaust connection opening 33 for adjacent installation straddling both the adjacent removal device main bodies 14 and 19 is closed by screwing with the exhaust connection cover 37. This exhaust connection cover 37
In the (2), a square tube is attached to a bent plate, and an opening of the tube allows air flow to pass therethrough. Removal device body 14,
By inserting the installed adjacent exhaust connection opening 33 which extends over 19 both while closing the opening 36 in the vertical direction of the exhaust passage 16, an exhaust passage 16 of the exhaust passage 16 and removing apparatus main body 19 of the removing apparatus main body 14 Can be connected.
【００３３】上記構成において、複数台の除去装置を隣
接して設置、もしくは増設するとき、各除去装置の排気
を分散させる排気方法を集合させる排気方法のいずれ
か、もしくはその組合わせた排気方法を、除去装置の設
置環境に応じて自在に選択及び変更することができる。
また複数台の除去装置の排気を集合させるとき、除去装
置本体の排気路の接続を接続部における圧力損失を増加
させることなく簡単に行うことができる。また複数の除
去装置の排気を集合させることで、交差点等多人数が滞
留するような場所へ浄化空気を集中排気することも簡単
にできることとなる。In the above configuration, a plurality of removal devices are located adjacent to each other.
Exhaust of each removal device when installing or expanding in contact with
Any of the exhaust methods to collect the exhaust method to disperse
Or the exhaust method combined with it,
It can be freely selected and changed according to the installation environment.
Further, when collecting the exhaust gas from a plurality of removal devices, the exhaust path of the removal device body can be easily connected without increasing the pressure loss at the connection portion. In addition, by collecting the exhaust gas from the plurality of removal devices, it is possible to easily exhaust the purified air to a place where a large number of people stay, such as an intersection.
【００３４】また隣合う除去装置本体が接していなくて
も、接続排気カバーを必要に応じた長さにすることで、
同様の効果が得られる。Even if the adjacent removal device bodies are not in contact with each other, the connection exhaust cover can be made as long as necessary.
Similar effects can be obtained.
【００３５】[0035]
【発明の効果】以上の実施例から明らかなように本発明
によれば、道路近辺における浮遊粉じんおよび排気ガス
中のＮＯ2等の酸性ガスを重点的に除去する自立型の装
置であるから、空気汚染度の高い道路交差点・沿道付近
などへ、その必要規模に応じて簡便に、かつＮＯ2等の
酸性ガスの濃度分布状況に応じた配置で設置でき、また
大気開放空間における比較的有害性の大きいＮＯ2を効
率よく重点的に除去できるという効果のある低濃度窒素
酸化物除去装置を提供できる。As is apparent from the above embodiments, according to the present invention, since the present invention is a self-standing type device for mainly removing an airborne gas near a road and an acidic gas such as NO 2 in exhaust gas, to such a high road intersections, roadside near the air pollution level, easily and such NO 2 according to the required scale
It can be installed according to the concentration distribution of acid gas,
It is possible to provide a low-concentration nitrogen oxide removing apparatus having an effect of efficiently and selectively removing relatively harmful NO 2 in an open space to the atmosphere .
【００３６】また、処理空気の排気口を下向きにするこ
とで格別な構造にすることなく外部から異物等の侵入を
防止し、不特定多人数が往来する場所へ設置しても安全
性が高いという効果のある低濃度窒素酸化物除去装置を
提供できる。Further, since the exhaust port of the processing air is directed downward, foreign matter and the like can be prevented from entering from outside without having a special structure, and the safety is high even when the apparatus is installed in a place where an unspecified number of people come and go. It is possible to provide an apparatus for removing low-concentration nitrogen oxides, which has the above effect.
【００３７】また、内蔵される送風機の吹出方向を排気
路の気流方向へ傾けることにより、送風機の吹出口から
の排気と排気路の壁面との衝突による圧力損失を減少で
き、車道および歩道相互の視界を遮ぎらない高さの低濃
度窒素酸化物除去装置を提供できる。Further, by inclining the blowing direction of the blower is built into the air flow direction of the exhaust passage, through the outlet of the blower
The pressure loss due to the collision between the exhaust gas and the wall of the exhaust path can be reduced, and a low-concentration nitrogen oxides removing device having a height that does not obstruct the view between the road and the sidewalk can be provided.
【００３８】また、外部電源の接続を隣接する複数台が
相互に連結できることで必要に応じて設置、もしくは増
設する場合でも電気工事および通電部の保護が簡便であ
るという効果のある低濃度窒素酸化物除去装置を提供で
きる。Also, since the connection of the external power supply can be mutually connected by a plurality of adjacent units, the electric construction and the protection of the current-carrying part can be easily performed even when the external power supply is installed or added as necessary. An apparatus for removing low-concentration nitrogen oxides can be provided.
【００３９】また、道路付近に通常設置されているガー
ドレール空間部に挿入することで設置場所に固定できな
くても簡便に安定性のある設置でき、かつ通行の障害に
ならないという効果のある低濃度窒素酸化物除去装置を
提供できる。Further, it cannot be fixed to the installation place by inserting it into the guardrail space normally installed near the road.
It is possible to provide a low-concentration nitrogen oxides removing apparatus which can be easily and stably installed even if not so, and has an effect of not obstructing traffic.
【００４０】また、複数台の低濃度窒素酸化物除去装置
の排気方法において、分散させる排気方法と集合させる
排気方法を設置環境に応じて自在に選択および変更する
ことができ、また排気を集合させるときには、排気路の
接続が簡単にでき、複数台にわたる浄化処理済の排気空
気を集合して排気することにより、交差点等多人数が停
滞する場所へ浄化空気を集中して大量に放出し環境浄化
の効果を有用できる低濃度窒素酸化物除去装置を提供で
きる。Also, in the exhaust method of the plurality of low-concentration nitrogen oxide removing apparatuses, the exhaust method to be dispersed is combined with the exhaust method.
Freely select and change the exhaust method according to the installation environment
It can, also when to set the exhaust can easily connect the exhaust passage, by evacuating collectively exhaust air purification processed across multiple purification to where the intersection or the like multiplayer stagnates It is possible to provide a low-concentration nitrogen oxide removing apparatus that can release air in a large amount by concentrating air and thereby use an effect of environmental purification.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の実施例１の装置本体を示す側断面図FIG. 1 is a side sectional view showing an apparatus main body according to a first embodiment of the present invention.
【図２】同外観斜視図FIG. 2 is an external perspective view of the same.
【図３】本発明の装置の交差点への設置図FIG. 3 is a view showing installation of the device of the present invention at an intersection.
【図４】同自動車道路沿いでの設置図Fig. 4 Installation diagram along the motorway
【図５】同自動車道路上方への設置図Fig. 5 Installation diagram above the motorway
【図６】本発明の実施例２の下向き送風機を示す要部破
断斜視図FIG. 6 is a cutaway perspective view of a main part showing a downward blower according to a second embodiment of the present invention.
【図７】同上向き送風機を示す要部破断斜視図FIG. 7 is a cutaway perspective view of a main part showing the upward blower.
【図８】本発明の実施例３の単数送風機での要部破断斜
視図FIG. 8 is a fragmentary perspective view of a single blower according to a third embodiment of the present invention.
【図９】同複数送風機での要部破断斜視図FIG. 9 is an exploded perspective view of a main part of the multiple blower.
【図１０】本発明の実施例４の電源接続図FIG. 10 is a power supply connection diagram according to a fourth embodiment of the present invention.
【図１１】同電源接続用開口部の外観斜視図FIG. 11 is an external perspective view of the power supply connection opening.
【図１２】同側断面図FIG. 12 is a sectional side view of the same.
【図１３】同接続状態を示す斜視図FIG. 13 is a perspective view showing the connection state.
【図１４】同固定金具の外観図FIG. 14 is an external view of the fixing bracket.
【図１５】本発明の実施例５の本体取付金具の分解斜視
図FIG. 15 is an exploded perspective view of a main body mounting bracket according to a fifth embodiment of the present invention.
【図１６】同取付状態図FIG. 16 is a mounting state diagram of the same.
【図１７】同設置状態図FIG. 17 is an installation state diagram of the same.
【図１８】本発明の実施例６の排気路接続構造を示す斜
視図FIG. 18 is a perspective view showing an exhaust passage connection structure according to a sixth embodiment of the present invention.
【図１９】同排気路接続状態斜視図FIG. 19 is a perspective view of the same exhaust path connection state.
【符号の説明】 １ 除去装置本体 ２ 吸込口 ３ ガラリ ４ ろ過集じん用フィルター ５ アルカリ性フィルター ６ フィルター枠体 ７ 吸収材 ８ 送風機 ９ 排気口 １０ 金属網 １１ 排気口カバー １２ 除去装置本体 １３ 排気口 １４ 除去装置本体 １５ 吹出口 １６ 排気路 １７ 排気口 １８ 羽根車 １９ 除去装置本体 ２０ 配電盤 ２１ 外部電源接続部 ２２ 分岐電源接続部 ２３ 隣接設置用接続口凸部 ２４ フランジ ２５ 隣接設置用接続口凹部 ２６ Ｕ溝片 ２７ 固定金具 ２８ 本体取付金具 ２９ 長孔 ３０ 切欠部 ３１ 係止片 ３２ ポール部 ３３ 隣接設置用排気接続開口 ３４ カバー ３５ カバー ３６ 開口部 ３７ 排気接続カバー ３８ 電線 Ｘ 上面 Ｙ 側面 Ｚ 背面[Description of Signs] 1 Removal device main body 2 Suction port 3 Gutter 4 Filtration / dust collection filter 5 Alkaline filter 6 Filter frame 7 Absorbent material 8 Blower 9 Exhaust port 10 Metal net 11 Exhaust port cover 12 Removal device body 13 Exhaust port 14 Removal device main body 15 Air outlet 16 Exhaust path 17 Exhaust port 18 Impeller 19 Removal device main body 20 Switchboard 21 External power supply connection portion 22 Branch power supply connection portion 23 Adjacent installation connection protrusion 24 Flange 25 Adjacent installation connection recess 26 U Groove piece 27 Fixing bracket 28 Body mounting bracket 29 Slot 30 Notch 31 Locking piece 32 Pole 33 Exhaust connection opening for adjacent installation 34 Cover 35 Cover 36 Opening 37 Exhaust connection cover 38 Electric wire X Top surface Y Side Z Back surface
【手続補正２】[Procedure amendment 2]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図１０[Correction target item name] FIG.
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図１０】 FIG. 10
Claims (6)
んのろ過集じん用フィルター、排気ガス中の酸性ガスを
化学反応により吸収除去するアルカリ性フィルターおよ
び送風機を備え、道路近辺の浮遊粉じんおよび排気ガス
中の窒素酸化物を除去できる低濃度窒素酸化物除去装
置。1. A main body having an intake port and an exhaust port, a filter for filtering and collecting dust, an alkaline filter for absorbing and removing acidic gas in exhaust gas by a chemical reaction, and a blower. A low-concentration nitrogen oxides removal device that can remove nitrogen oxides in exhaust gas.
濃度窒素酸化物除去装置。2. The low-concentration nitrogen oxide removing apparatus according to claim 1, wherein the exhaust port faces downward.
吹出口に接続された排気路の気流方向に向けて傾けた請
求項１または２記載の低濃度窒素酸化物除去装置。3. The low-concentration nitrogen oxide removing apparatus according to claim 1, wherein the blowout direction of the blower outlet is inclined toward the airflow direction of an exhaust passage connected to the blower outlet.
気的に接続され、かつ分岐電源接続部からの配線が外部
電源接続部に電気的に接続された配線構造を設けた請求
項１、２または３記載の低濃度窒素酸化物除去装置。4. A wiring structure in which a power supply wiring of the blower is electrically connected to an external power supply connection part, and a wiring from the branch power supply connection part is electrically connected to the external power supply connection part. 4. The low-concentration nitrogen oxide removing apparatus according to 2 or 3.
縮可能に設けた低濃度窒素酸化物除去装置。5. A low-concentration nitrogen oxide removing apparatus comprising a main body mounting plate having a U-shaped cut-out portion provided so as to be extendable and contractible.
る排気路に他の本体の通気路と連結する接続口を設けた
請求項１、２、３、４および５記載の低濃度窒素酸化物
除去装置。6. The low-concentration nitrogen according to claim 1, wherein a connection port for connecting to an air passage of another main body is provided in an exhaust path connecting the air outlet of the blower and the exhaust port of the main body. Oxide removal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10018571A JP3045992B2 (en) | 1998-01-30 | 1998-01-30 | Low concentration nitrogen oxide removal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10018571A JP3045992B2 (en) | 1998-01-30 | 1998-01-30 | Low concentration nitrogen oxide removal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11216328A true JPH11216328A (en) | 1999-08-10 |
| JP3045992B2 JP3045992B2 (en) | 2000-05-29 |
Family
ID=11975320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10018571A Expired - Lifetime JP3045992B2 (en) | 1998-01-30 | 1998-01-30 | Low concentration nitrogen oxide removal equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3045992B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006175404A (en) * | 2004-12-24 | 2006-07-06 | Toshi Jumoku Saisei Center:Kk | Apparatus for cleaning air |
| CN105780687A (en) * | 2016-03-23 | 2016-07-20 | 李云祥 | Solar road haze purification and isolation belt |
| EP3246636A1 (en) * | 2016-05-20 | 2017-11-22 | ebm-papst Mulfingen GmbH & Co. KG | Device for cleaning of ambient air |
| KR102106241B1 (en) * | 2019-08-21 | 2020-04-29 | 이해숙 | Smart guard rail with fine dust absorption |
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| JPS52102894A (en) * | 1976-02-25 | 1977-08-29 | Matsushita Electric Ind Co Ltd | Air purifier |
| JPS56133332U (en) * | 1981-02-25 | 1981-10-09 | ||
| JPS57115632U (en) * | 1981-12-23 | 1982-07-17 | ||
| JPS6164313A (en) * | 1984-09-07 | 1986-04-02 | Toyo Netsu Kogyo Kk | Fan filter unit |
| JPS6369527A (en) * | 1986-09-10 | 1988-03-29 | Sumitomo Heavy Ind Ltd | Waste heat recovering method in carbon dioxide removing method by ion exchange resin |
| JPH06410A (en) * | 1992-02-12 | 1994-01-11 | Takeda Chem Ind Ltd | Gas treatment apparatus |
| JPH0938461A (en) * | 1995-07-28 | 1997-02-10 | Hideo Wada | Device for removing fine-grained solid, nox and sox of exhaust gas of automobile |
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1998
- 1998-01-30 JP JP10018571A patent/JP3045992B2/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52102894A (en) * | 1976-02-25 | 1977-08-29 | Matsushita Electric Ind Co Ltd | Air purifier |
| JPS56133332U (en) * | 1981-02-25 | 1981-10-09 | ||
| JPS57115632U (en) * | 1981-12-23 | 1982-07-17 | ||
| JPS6164313A (en) * | 1984-09-07 | 1986-04-02 | Toyo Netsu Kogyo Kk | Fan filter unit |
| JPS6369527A (en) * | 1986-09-10 | 1988-03-29 | Sumitomo Heavy Ind Ltd | Waste heat recovering method in carbon dioxide removing method by ion exchange resin |
| JPH06410A (en) * | 1992-02-12 | 1994-01-11 | Takeda Chem Ind Ltd | Gas treatment apparatus |
| JPH0938461A (en) * | 1995-07-28 | 1997-02-10 | Hideo Wada | Device for removing fine-grained solid, nox and sox of exhaust gas of automobile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006175404A (en) * | 2004-12-24 | 2006-07-06 | Toshi Jumoku Saisei Center:Kk | Apparatus for cleaning air |
| CN105780687A (en) * | 2016-03-23 | 2016-07-20 | 李云祥 | Solar road haze purification and isolation belt |
| EP3246636A1 (en) * | 2016-05-20 | 2017-11-22 | ebm-papst Mulfingen GmbH & Co. KG | Device for cleaning of ambient air |
| DE102016109301A1 (en) * | 2016-05-20 | 2017-11-23 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Apparatus for reducing a number of solid particles from the ambient air |
| KR102106241B1 (en) * | 2019-08-21 | 2020-04-29 | 이해숙 | Smart guard rail with fine dust absorption |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3045992B2 (en) | 2000-05-29 |
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