JPH09141041A - Gas-liquid mixer - Google Patents
Gas-liquid mixerInfo
- Publication number
- JPH09141041A JPH09141041A JP7322189A JP32218995A JPH09141041A JP H09141041 A JPH09141041 A JP H09141041A JP 7322189 A JP7322189 A JP 7322189A JP 32218995 A JP32218995 A JP 32218995A JP H09141041 A JPH09141041 A JP H09141041A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- liquid
- cylindrical body
- flue gas
- nozzle
- 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
Landscapes
- Gas Separation By Absorption (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、排煙中に含まれ
る例えば煤塵或いは二酸化イオウや窒素酸化物などの有
害成分を霧状の吸収液と気液混合接触させてその化学反
応などを利用して除去する技術に係り、特に、有害成分
を含有する排煙と霧状の吸収液との気液混合接触を充分
に図って、その反応効率を高めて有害成分の除去効率を
高める気液混合器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention utilizes a chemical reaction or the like by bringing a harmful component such as soot dust or sulfur dioxide or nitrogen oxide contained in flue gas into contact with an atomized absorbing liquid in a gas-liquid mixture. In particular, it relates to the technology for removing the harmful components, and in particular, the gas-liquid mixture that enhances the reaction efficiency by increasing the reaction efficiency of the exhaust gas containing the harmful components and the mist-like absorbing liquid in a gas-liquid mixing contact. It is related to vessels.
【0002】[0002]
【従来の技術】従来、排煙中に含まれる例えば煤塵或い
は二酸化イオウや窒素酸化物などの有害成分を除去する
手段として、排気ダクトの途中に取付けられ、有害成分
を霧状の吸収液と気液混合接触させてその化学反応など
を利用して除去する気液混合器が知られている。2. Description of the Related Art Conventionally, as a means for removing harmful components such as soot dust, sulfur dioxide, and nitrogen oxides contained in flue gas, the harmful components are installed in the middle of an exhaust duct to remove the harmful components from a mist-like absorbing liquid and vapor. There is known a gas-liquid mixer which is brought into contact with a liquid mixture and removed by utilizing its chemical reaction or the like.
【0003】従来の気液混合器は、円筒状の混合器の内
部に螺旋状に翼が設けられ、又吸収液を霧状に噴霧する
ノズルが内部に設けられていて、螺旋状翼を利用して有
害成分を含む排煙と霧状の吸収液とを旋回させ、その旋
回中に排煙と吸収液との気液混合接触を行って、その化
学反応などによって排煙中の有害成分を除去する構造に
なっている。In a conventional gas-liquid mixer, a spiral blade is provided inside a cylindrical mixer, and a nozzle for spraying the absorbing liquid in a mist state is provided inside, so that the spiral blade is used. Then, the flue gas containing the harmful components and the mist-like absorbing liquid are swirled, and during the swirling, the smoke-exhaust liquid and the absorbing liquid are brought into contact with each other in a gas-liquid mixture, and the harmful components in the flue gas are removed by the chemical reaction. It has a structure to be removed.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、従来の
気液混合器においては、有害成分を含有する排煙が螺旋
状翼に沿って旋回しながら流下中に、排煙にはその旋回
によって遠心力が作用して、その遠心力によって排煙は
円筒状の混合器内の内壁面側に分散させられ、混合器内
の中央部側での排煙と霧状の吸収液との気液混合接触が
充分に図られず、その気液混合接触効率が低下する欠点
があった。However, in the conventional gas-liquid mixer, the flue gas containing harmful components is swirling along the spiral blade while flowing down, and the flue gas is swirled by the centrifugal force. The flue gas is dispersed by the centrifugal force on the inner wall surface side in the cylindrical mixer, and the flue gas and the mist-like absorbing liquid come into contact with each other in the central part of the mixer. However, there is a drawback that the gas-liquid mixing contact efficiency is lowered.
【0005】また、遠心力の作用によって円筒状の混合
器内の内壁面側に分散させられた排煙は、螺旋状翼に沿
って流下し、混合器内に余り長く滞留することなく外部
に排出されるため、吸収液との接触時間を長くとること
ができず、その気液混合接触効率を高めることができな
かった。Further, the flue gas dispersed on the inner wall surface side in the cylindrical mixer due to the action of centrifugal force flows down along the spiral blades, and does not stay in the mixer for a long time to the outside. Since it was discharged, the contact time with the absorbing liquid could not be extended and the gas-liquid mixing contact efficiency could not be increased.
【0006】更に、ノズルから噴霧された霧状の吸収液
は、螺旋状翼に沿って流下する間に逐次集積されて水滴
化が図られて、排煙との接触表面積が減少するため、そ
の反応効率が低下するという欠点があった。Further, the mist-like absorbing liquid sprayed from the nozzle is successively accumulated while flowing down along the spiral blades to form water droplets, and the contact surface area with the smoke is reduced. There is a drawback that the reaction efficiency is lowered.
【0007】更にまた、従来の気液混合器は上述のよう
な理由で排煙と吸収液との反応効率が悪く除去効率が低
いので、その効率を高めるために、気液混合器が大型に
なるという欠点もあった。Furthermore, since the conventional gas-liquid mixer has a poor reaction efficiency between the smoke and the absorbing liquid and a low removal efficiency for the above-mentioned reason, the gas-liquid mixer has a large size in order to increase its efficiency. There was also a drawback that
【0008】この発明は、上記のような課題に鑑み、そ
の課題を解決すべく創案されたものであって、その目的
とするところは、筒体内の全域で万遍なく気液混合接触
を図り、しかも、排煙の滞留時間を長くし、更に、吸収
液の排煙との接触表面積が減少するのを防いで、有害成
分を含有する排煙と霧状の吸収液との気液混合接触を充
分に図って、その反応効率を高めて有害成分の除去効率
を高めることのできる気液混合器を提供することにあ
る。The present invention has been made in view of the above problems and was devised to solve the problems. The purpose of the present invention is to achieve uniform gas-liquid mixing contact throughout the entire cylinder. Moreover, the retention time of flue gas is lengthened, and further, the contact surface area of the absorbing liquid with the flue gas is prevented from decreasing, and the flue gas containing harmful components and the gas-liquid mixture contact with the mist-like absorbing liquid. The present invention aims to provide a gas-liquid mixer capable of sufficiently enhancing the reaction efficiency and enhancing the efficiency of removing harmful components.
【0009】[0009]
【課題を解決するための手段】以上の目的を達成するた
めに、この発明は、上下方向に設置される筒体の上端に
気体流入口を形成し、筒体の下端に気体排出口を形成
し、筒体の内部中央の上部に液体を霧状に噴霧するノズ
ルを下向きに設け、該ノズルの下方の円筒状筒体の内部
中央に螺旋状の副翼を上下方向に配置し、該螺旋状副翼
の周囲の円周方向に間隔をあけて多孔板からなる複数の
主翼を円周方向に対して同一方向に傾斜させ且つ内部中
央方向下向きに僅かに傾斜させて円筒状筒体の内壁面に
密着させて配置し、円周方向に間隔を開けて配置された
複数の主翼を上記螺旋状副翼の上下範囲にわたってその
周囲に上下方向に千鳥状に複数段配置すると共に、上下
の各主翼の円周方向の傾斜方向を各段交互に逆向きにし
て設けた手段よりなる。In order to achieve the above object, the present invention forms a gas inlet at the upper end of a vertically installed cylinder and a gas discharge port at the lower end of the cylinder. Then, a nozzle for spraying the liquid in a mist state is provided downward on the upper part of the inner center of the cylindrical body, and a spiral auxiliary wing is vertically arranged at the inner center of the cylindrical cylindrical body below the nozzle. Inside the cylindrical tubular body by inclining a plurality of main blades made of perforated plates in the same direction with respect to the circumferential direction and slightly inclining downward toward the inner center A plurality of main wings, which are arranged in close contact with the wall surface and are arranged at intervals in the circumferential direction, are arranged in a zigzag pattern in the vertical direction around the upper and lower ranges of the above spiral auxiliary wings, and each of the upper and lower It consists of a means in which the inclination direction of the main wing in the circumferential direction is alternately reversed at each stage. .
【0010】[0010]
【発明の実施の形態】以下、図面に記載の発明の実施の
形態に基づいて、この発明をより具体的に説明する。こ
こで、図1は気液混合器の要部斜視図、図2は気液混合
器の要部平面図、図3は気液混合器の要部側面図、図4
は気液混合器の配置図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically based on embodiments of the invention shown in the drawings. Here, FIG. 1 is a perspective view of an essential part of the gas-liquid mixer, FIG. 2 is a plan view of an essential part of the gas-liquid mixer, FIG. 3 is a side view of the essential part of the gas-liquid mixer, and FIG.
FIG. 4 is a layout view of a gas-liquid mixer.
【0011】図において、気液混合器1は排煙中に含ま
れる例えば煤塵或いは二酸化イオウや窒素酸化物などの
有害成分を霧状の吸収液と気液混合接触させて、その化
学反応などを起こさせる機器で、煙突aに通じる排気ダ
クトbの途中に設けられており、この気液混合器1で有
害成分が除去されて無害化された排煙は煙突aから大気
中に放出される。In the figure, a gas-liquid mixer 1 causes harmful components such as soot dust or sulfur dioxide and nitrogen oxides contained in flue gas to come into gas-liquid mixing contact with a mist-like absorbing liquid to cause chemical reaction or the like. It is a device to be awakened and is provided in the middle of an exhaust duct b leading to the chimney a. The flue gas which is detoxified by removing harmful components by the gas-liquid mixer 1 is released from the chimney a into the atmosphere.
【0012】気液混合器1は排気ダクトbの途中に上下
方向に設置されており、気液混合器1は、上下方向に設
置された内部が中空な筒体2、該筒体2内に内装され吸
収液を霧状に噴霧するノズル3、内部中央に螺旋状に配
置された副翼4、副翼4の周囲に複数段配置された主翼
5などから構成されている。The gas-liquid mixer 1 is installed vertically in the middle of the exhaust duct b. The gas-liquid mixer 1 is installed in the vertical direction and has a hollow inside body 2 and inside the cylinder 2. The nozzle 3 is provided to spray the absorbing liquid in a mist state, the auxiliary wing 4 spirally arranged in the center of the inside, the main wing 5 arranged in multiple stages around the auxiliary wing 4, and the like.
【0013】気液混合器1の筒体2は排気ダクトbの途
中に上下方向に設置され、副翼4及び主翼5が配置され
る中間部分は少なくとも円筒体になっている。中間部分
以外の上下両端側は円筒形の形状でもよく、或いは角形
の形状でもよい。The cylinder body 2 of the gas-liquid mixer 1 is installed vertically in the middle of the exhaust duct b, and at least the intermediate portion in which the auxiliary blade 4 and the main blade 5 are arranged is a cylindrical body. The upper and lower end sides other than the intermediate portion may have a cylindrical shape or a rectangular shape.
【0014】筒体2の上端には有害成分を含有する気体
としての排煙が流入する気体流入口2aが形成されてお
り、又筒体2の下端には有害成分が除去された気体とし
ての排煙を排出する気体排出口2bが形成されている。
これらの気体流入口2a及び気体排出口2bは排気ダク
トbの途中に各々接続されている。A gas inlet 2a into which flue gas as a gas containing a harmful component flows is formed at the upper end of the cylindrical body 2, and a lower part of the cylindrical body 2 serves as a gas from which the harmful component is removed. A gas discharge port 2b for discharging smoke is formed.
The gas inlet 2a and the gas outlet 2b are connected in the middle of the exhaust duct b.
【0015】筒体2の内部中央の上部には液体の吸収液
を霧状に噴霧するノズル3が下向きに設けられている。
即ち、ノズル3は筒体2の上部側面から内部中央に延設
され、その先端側は下向きに折曲されている。ノズル3
から霧状に噴霧される吸収液は、筒体2の内部の全域に
均等に噴霧できるように調整されている。A nozzle 3 for spraying a liquid absorbing liquid in a mist state is provided downward at the upper part of the center of the inside of the cylindrical body 2.
That is, the nozzle 3 extends from the upper side surface of the tubular body 2 to the center of the inside, and the tip side thereof is bent downward. Nozzle 3
The absorbing liquid sprayed in a mist form is adjusted so as to be uniformly sprayed over the entire area inside the cylindrical body 2.
【0016】ノズル3の基端側は図示しない吸収液を貯
留するタンクに接続されていて、このタンクから必要な
吸収液が図示しないポンプなどの圧送手段によってノズ
ル3側に圧送供給されて、該ノズル3から筒体2の内部
に霧状に噴霧される構造になっている。The base end side of the nozzle 3 is connected to a tank (not shown) for storing the absorbing liquid, and the necessary absorbing liquid is pressure-fed and supplied to the nozzle 3 side by a pressure feeding means (not shown) such as a pump. It has a structure in which it is atomized into the inside of the cylindrical body 2 from the nozzle 3.
【0017】上記ノズル3の下方の円筒体になっている
筒体2の内部中央には、副翼4が上下方向に螺旋状に配
置されている。この発明の実施の形態においては、中心
に上下方向に心棒4aが設けられ、その心棒4aの周囲
に螺旋状に副翼4が配置されている。At the center of the inside of the cylindrical body 2 which is a cylindrical body below the nozzle 3, a sub-wing 4 is vertically arranged in a spiral shape. In the embodiment of the present invention, the mandrel 4a is provided at the center in the vertical direction, and the auxiliary wing 4 is spirally arranged around the mandrel 4a.
【0018】従来のこの種の気液混合器にもその内部に
螺旋状翼が上下方向に配置されているが、この発明に係
る螺旋状の副翼4が従来の螺旋状翼と異なるのは副翼4
を上からみたときその翼の長さが短い。これに対して従
来の螺旋状翼はその先端側が円筒体の内周壁面まで延び
ていて、円筒体の内部の半径方向の全域まで形成されて
いる。この螺旋状の副翼4とその周囲に配置された主翼
5の筒体2の半径方向に対する突出幅は例えば1:3程
度になっている。The conventional gas-liquid mixer of this type also has a spiral blade vertically arranged therein, but the spiral auxiliary blade 4 according to the present invention is different from the conventional spiral blade. Vice wing 4
The wings are short when viewed from above. On the other hand, in the conventional spiral blade, the tip end side extends to the inner peripheral wall surface of the cylindrical body and is formed to the entire area in the radial direction inside the cylindrical body. The protruding width of the spiral auxiliary wing 4 and the main wing 5 arranged around the auxiliary wing 4 in the radial direction of the cylindrical body 2 is, for example, about 1: 3.
【0019】螺旋状の副翼4は、従来の螺旋状翼と同様
な機能、つまり、筒体2内に流入させた排煙を螺旋状を
利用して流下中に旋回させて、霧状の吸収液との気液混
合接触を高める働きを有する。副翼4の螺旋は少なくと
も1回つまり360度以上になっている。螺旋状の副翼
4は、この実施の形態では複数の翼片を螺旋状に繋いで
形成されているが、連続したものを使用してもよい。ま
た、副翼4には多孔板を使用してもよい。The spiral auxiliary blade 4 has the same function as that of the conventional spiral blade, that is, the smoke exhausted into the cylindrical body 2 is swirled in the downward direction by utilizing the spiral shape, and is formed into a mist. It has a function of enhancing gas-liquid mixed contact with the absorbing liquid. The spiral of the auxiliary wing 4 is at least once, that is, 360 degrees or more. The spiral auxiliary blade 4 is formed by spirally connecting a plurality of blade pieces in this embodiment, but a continuous one may be used. Further, a perforated plate may be used for the auxiliary blade 4.
【0020】上記螺旋状の副翼4の周囲には円筒状の筒
体2のその円周方向に間隔をあけて複数の主翼5が円筒
状の筒体2の内周壁面に密着させて配置されている。上
記螺旋状の副翼4の周囲に配置された各主翼5は、螺旋
状の副翼4に沿って流下して旋回する排煙には遠心力が
作用してその周囲に分散させられるが、その周囲に分散
させられる排煙を乱流の状態にする機能を果たして、筒
体2の内部での気液混合接触を高める働きを有してい
る。Around the spiral auxiliary blade 4, a plurality of main blades 5 are arranged in close contact with the inner peripheral wall surface of the cylindrical tubular body 2 at intervals in the circumferential direction of the cylindrical tubular body 2. Has been done. Each main wing 5 arranged around the spiral auxiliary wing 4 has a centrifugal force acting on the flue gas flowing down and swirling along the spiral auxiliary wing 4 to be dispersed around it. It has a function of making the flue gas dispersed around it into a turbulent state, and has a function of enhancing gas-liquid mixing contact inside the cylindrical body 2.
【0021】各主翼5には多孔板が使用されており、主
翼5の表面には多数の小さな孔5aが形成されている。
孔5aは霧状の吸収液が主翼5の表面に沿って流下する
ときにその流れを妨げ、流下中に霧状の吸収液が集積し
て水滴化するのを防ぐ機能を果たす。孔5aの面積は主
翼5の表面積の例えば40%〜60%が好ましい。A perforated plate is used for each main wing 5, and a large number of small holes 5a are formed on the surface of the main wing 5.
The holes 5a have a function of hindering the flow of the mist-like absorbing liquid when the mist-like absorbing liquid flows down along the surface of the main wing 5 and preventing the mist-like absorbing liquid from accumulating into water droplets during the flowing down. The area of the holes 5a is preferably, for example, 40% to 60% of the surface area of the main wing 5.
【0022】円筒状の筒体2のその円周方向に間隔をあ
けて配置された複数の各主翼5は、円筒状の筒体2の円
周方向に対して同一方向に傾斜させて形成されている。
つまり、同一の円周方向内にある複数の各主翼5の全て
は例えば時計回り方向に斜め上向きになっている。この
傾斜は排煙の乱流を生起させるためであり、後述するよ
うに上下の各主翼5は上下でその傾斜方向は異なるよう
に配置されている。A plurality of main wings 5 arranged at intervals in the circumferential direction of the cylindrical tubular body 2 are formed so as to be inclined in the same direction with respect to the circumferential direction of the cylindrical tubular body 2. ing.
That is, all of the plurality of main wings 5 in the same circumferential direction are, for example, clockwise and obliquely upward. This inclination is for causing a turbulent flow of smoke exhaust, and as will be described later, the upper and lower main wings 5 are arranged so that the upper and lower main wings 5 have different inclination directions.
【0023】また円周方向に傾斜する各主翼5は、筒体
2の内部中央方向下向きに僅かに傾斜させて形成されて
いる。これは、遠心力によって筒体2の内周壁面側に分
散された霧状の吸収液を中央側に流下させて、霧状の吸
収液が筒体2の内周壁面に沿って流下中に集積して水滴
化するのを防ぐためである。各主翼5の傾斜角度は水平
に対して例えば20度程度が好ましい。Further, each main wing 5 which is inclined in the circumferential direction is formed to be slightly inclined downward toward the center of the inside of the cylindrical body 2. This is because the atomized absorption liquid dispersed on the inner peripheral wall surface side of the cylindrical body 2 is caused to flow down to the center side by the centrifugal force, and the mist absorption liquid is flowing down along the inner peripheral wall surface of the cylindrical body 2. This is to prevent accumulation and water droplets. The inclination angle of each main wing 5 is preferably about 20 degrees with respect to the horizontal.
【0024】円筒状の筒体2の円周方向に間隔をあけて
配置された複数の主翼5は、螺旋状の副翼4の上下方向
の範囲にわたって筒体2の上下方向に複数段配置されて
いる。この実施の形態では上下方向に4段配置されてい
る。また、上側の各主翼5の間隔をあけた部分の下側に
下段の主翼5が配置されていて、間隔をあけた部分は上
下で交互に主翼5が配置されていて、つまり各主翼5は
上下方向に千鳥状に配置されている。A plurality of main blades 5 arranged at intervals in the circumferential direction of the cylindrical tubular body 2 are arranged in a plurality of stages in the vertical direction of the tubular body 2 over the vertical range of the spiral auxiliary blade 4. ing. In this embodiment, four stages are arranged in the vertical direction. Further, the lower main wing 5 is arranged below the spaced apart portion of each upper wing 5, and the main wing 5 is arranged alternately above and below the spaced portion, that is, each main wing 5 is They are arranged in a staggered pattern in the vertical direction.
【0025】また、上下に配置された各主翼5は、上下
で各主翼5の円周方向の傾斜方向を交互に逆向きになっ
ている。つまり、例えば上側の各主翼5が時計回り方向
に斜め上向きに傾斜している場合には、下側の各主翼5
は反時計回り方向に斜め上向きに傾斜して設けられてい
る。このように、上下で各主翼5の傾斜方向が異なるこ
とによって、排煙を乱流状態にする働きを有している。The upper and lower main wings 5 are arranged so that the upper and lower main wings 5 are alternately inclined in the circumferential direction of the main wings 5. That is, for example, when the upper main wings 5 are inclined obliquely upward in the clockwise direction, the lower main wings 5 are
Is provided so as to be inclined obliquely upward in the counterclockwise direction. In this way, the upper and lower main wings 5 have different inclination directions, thereby having a function of making the flue gas turbulent.
【0026】次に、上記発明の実施の形態の構成に基づ
く作用について以下説明する。有害成分を含有した排煙
は排気ダクトbを通って、気液混合器1の筒体2の上端
の気体流入口2aから筒体2の内部に流入する。また、
これに合わせて、筒体2の内部中央に下向きに設けられ
たノズル3からは、排煙中に含まれる有害成分を化学反
応などによって除去する吸収液が霧状に噴霧される。Next, the operation based on the configuration of the embodiment of the present invention will be described below. The flue gas containing harmful components passes through the exhaust duct b and flows into the inside of the cylinder 2 from the gas inlet 2a at the upper end of the cylinder 2 of the gas-liquid mixer 1. Also,
At the same time, the absorbing liquid that removes harmful components contained in the flue gas by a chemical reaction or the like is atomized from a nozzle 3 provided downward in the center of the inside of the cylindrical body 2.
【0027】筒体2の内部に流入した有害成分を含有し
た排煙は下方の気体排出口2bに向かって流下する。流
下の途中で有害成分を含有した排煙は、筒体2の中間部
の内部中央に配置された螺旋状の副翼4に沿って旋回し
ながら流下するが、この流下中に旋回する有害成分を含
有した排煙にはその旋回によって遠心力が作用して、そ
の周囲に分散させられる。The flue gas containing harmful components that has flowed into the inside of the cylindrical body 2 flows down toward the lower gas discharge port 2b. The flue gas containing harmful components during the flow down flows down while swirling along the spiral auxiliary blade 4 arranged in the center of the inside of the middle part of the tubular body 2. The harmful components swirling during this flow down. A centrifugal force acts on the smoke exhaust containing the particles by the swirling, and the smoke is dispersed around the smoke exhaust.
【0028】螺旋状の副翼4の周囲には複数の主翼5が
円周方向にしかも上下方向に複数段配置されているた
め、遠心力によって周囲に分散させられた有害成分を含
有した排煙は、周囲の各主翼5によってその流れは乱さ
れる。Since a plurality of main wings 5 are arranged in the circumferential direction and in a plurality of stages in the vertical direction around the spiral sub-wing 4, the smoke exhaust containing harmful components dispersed around by the centrifugal force. Is disturbed by the surrounding main wings 5.
【0029】即ち、上下に配置された各主翼5は円周方
向に傾斜しており、しかも上下でその傾斜方向が異なる
ため、遠心力によって周囲に分散させられた有害成分を
含有した排煙は、上下でその流れが異なることになって
乱流状態になって、筒体2の内部に滞留する時間が長く
なり、その結果、ノズル3から霧状に噴霧される吸収液
との気液混合接触時間が長くなって、ノズル3から霧状
に噴霧される吸収液との化学反応などが十分に行われる
ことなり、その化学反応などによって、排煙中に含まれ
る有害成分は取り除かれて、その除去効率が高まる。That is, since each of the main wings 5 arranged above and below is inclined in the circumferential direction, and the inclination direction is different between the upper and lower sides, the flue gas containing harmful components dispersed by the centrifugal force is not emitted. , The flow is different between the upper and lower sides and becomes a turbulent state, and the time of staying inside the cylindrical body 2 becomes long, and as a result, gas-liquid mixing with the absorbing liquid atomized from the nozzle 3 is performed. The contact time becomes longer, and the chemical reaction with the absorbing liquid sprayed in a mist form from the nozzle 3 is sufficiently performed, and the chemical reaction removes the harmful components contained in the flue gas. Its removal efficiency increases.
【0030】そして、主翼5及び副翼4を流下中に、ノ
ズル3から霧状に噴霧される吸収液との化学反応などに
よって、有害成分が除去されて無害化された排煙は、筒
体2の下端の気体排出口2bから排出され、排気ダクト
bを流れて煙突aから大気中に放出される。また、化学
反応などによって排煙中から有害成分を除去した吸収液
も筒体2の下端から排出される。Then, while flowing down the main wing 5 and the auxiliary wing 4, the flue gas which has been made harmless by removing harmful components by a chemical reaction with the absorbing liquid sprayed in a mist form from the nozzle 3 is made into a cylindrical body. The gas is discharged from the gas discharge port 2b at the lower end of 2, flows through the exhaust duct b, and is discharged from the chimney a into the atmosphere. Further, the absorbing liquid from which harmful components have been removed from the flue gas by a chemical reaction or the like is also discharged from the lower end of the cylindrical body 2.
【0031】なお、この発明は上記発明の実施の形態に
限定されるものではなく、この発明の精神を逸脱しない
範囲で種々の改変をなし得ることは勿論である。例え
ば、上記発明の実施の形態においては、主翼5は上下に
4段配置されている場合で説明したが、2段、3段又は
5段以上配置してもよい。The present invention is not limited to the above embodiment of the present invention, and it is needless to say that various modifications can be made without departing from the spirit of the present invention. For example, in the embodiment of the invention described above, the main wing 5 is described as being arranged in four stages vertically, but may be arranged in two stages, three stages, or five stages or more.
【0032】[0032]
【発明の効果】以上の記載より明らかなように、この発
明に係る気液混合器によれば、筒体内部の中央部側及び
内周壁面側の全域で万遍なく、有害成分を含有する排煙
と霧状の吸収液との気液混合接触を図ることができ、し
かも、螺旋状副翼の周囲に設けた主翼の働きによって、
排煙の滞留時間を長くして吸収液との気液混合接触時間
を長くすることができるので、排煙と霧状の吸収液との
気液混合接触効率を高めることができ、これにより、排
煙に含まれる有害成分の除去効率を高めることができ
る。更に、多孔板からなる主翼によって霧状の吸収液の
水滴化を可能な限り防いで、吸収液の排煙との接触表面
積が減少するのを防ぐことができ、これにより、吸収液
と排煙との反応効率が低下するのを防ぐことができる。
そして、上述のように排煙に含まれる有害成分の除去効
率を高めることができるので、気液混合器の小型化を図
ることも可能となる等、極めて新規的有益なる効果を奏
するものである。As is clear from the above description, according to the gas-liquid mixer of the present invention, the central portion and the inner peripheral wall surface of the inside of the tubular body contain the harmful components evenly. It is possible to achieve gas-liquid mixed contact between smoke exhaust and mist-like absorption liquid, and moreover, by the action of the main wing provided around the spiral auxiliary wing,
Since the residence time of the flue gas can be lengthened and the gas-liquid mixing contact time with the absorbing liquid can be lengthened, the gas-liquid mixing contact efficiency between the flue gas and the mist-like absorbing liquid can be increased. The efficiency of removing harmful components contained in the flue gas can be improved. Furthermore, the main wing made of a perforated plate can prevent the mist-like absorbing liquid from becoming water droplets as much as possible, and can prevent the contact surface area of the absorbing liquid with the flue gas from decreasing. It is possible to prevent a decrease in reaction efficiency with.
Further, as described above, the efficiency of removing harmful components contained in the flue gas can be increased, so that it is possible to reduce the size of the gas-liquid mixer. .
【図1】この発明の実施の形態を示す気液混合器の要部
斜視図である。FIG. 1 is a perspective view of a main part of a gas-liquid mixer showing an embodiment of the present invention.
【図2】この発明の実施の形態を示す気液混合器の要部
平面図である。FIG. 2 is a plan view of a main part of a gas-liquid mixer showing an embodiment of the present invention.
【図3】この発明の実施の形態を示す気液混合器の要部
側面図である。FIG. 3 is a side view of the essential parts of the gas-liquid mixer showing the embodiment of the present invention.
【図4】この発明の実施の形態を示す気液混合器の配置
図である。FIG. 4 is a layout view of a gas-liquid mixer showing an embodiment of the present invention.
1 気液混合器 2 筒体 2a 気体流入口 2b 気体排出口 3 ノズル 4 副翼 4a 心棒 5 主翼 5a 孔 a 煙突 b 排気ダクト 1 Gas-Liquid Mixer 2 Cylindrical 2a Gas Inlet 2b Gas Outlet 3 Nozzle 4 Sub Wing 4a Mandrel 5 Main Wing 5a Hole a Chimney b Exhaust Duct
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 B01F 5/00 B01D 53/34 130Z B01J 10/00 103 (72)発明者 小倉 理一 長崎県北松浦郡小佐々町黒石免字小島339 −41株式会社ジャパンアクアテック内 (72)発明者 音成 直樹 長崎県北松浦郡小佐々町黒石免字小島339 −41株式会社ジャパンアクアテック内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification number Office reference number FI Technical display location B01F 5/00 B01D 53/34 130Z B01J 10/00 103 (72) Inventor Riichi Ogura Kitamatsuura Nagasaki Prefecture 339-41 Kojima, Kosaishi-gun, Kosaishi-gun, Japan Within Japan Aquatech Co., Ltd. (72) Naoki Otonari, 339-41, Kojima, Kosaishi-cho, Kosasa-cho, Kitamatsuura-gun, Nagasaki Prefecture, Japan
Claims (1)
流入口を形成し、筒体の下端に気体排出口を形成し、筒
体の内部中央の上部に液体を霧状に噴霧するノズルを下
向きに設け、該ノズルの下方の円筒状筒体の内部中央に
螺旋状の副翼を上下方向に配置し、該螺旋状副翼の周囲
の円周方向に間隔をあけて多孔板からなる複数の主翼を
円周方向に対して同一方向に傾斜させ且つ内部中央方向
下向きに僅かに傾斜させて円筒状筒体の内壁面に密着さ
せて配置し、円周方向に間隔を開けて配置された複数の
主翼を上記螺旋状副翼の上下範囲にわたってその周囲に
上下方向に千鳥状に複数段配置すると共に、上下の各主
翼の円周方向の傾斜方向を各段交互に逆向きにして設け
たことを特徴とする気液混合器。1. A gas inflow port is formed at an upper end of a vertically installed cylindrical body, a gas discharge port is formed at a lower end of the cylindrical body, and a liquid is atomized into an upper part of an inner center of the cylindrical body. The nozzle is provided downward, a spiral auxiliary blade is arranged vertically in the center of the inside of the cylindrical tubular body below the nozzle, and a perforated plate is provided at intervals in the circumferential direction around the spiral auxiliary blade. A plurality of main wings are tilted in the same direction with respect to the circumferential direction and slightly tilted downward in the inner central direction, and are arranged in close contact with the inner wall surface of the cylindrical tubular body, and are arranged at intervals in the circumferential direction. The plurality of main wings are arranged in a zigzag pattern in the vertical direction around the upper and lower ranges of the spiral auxiliary wings, and the inclination directions of the upper and lower main wings in the circumferential direction are alternately reversed in each step. A gas-liquid mixer characterized by being provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07322189A JP3088648B2 (en) | 1995-11-15 | 1995-11-15 | Gas-liquid mixer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07322189A JP3088648B2 (en) | 1995-11-15 | 1995-11-15 | Gas-liquid mixer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09141041A true JPH09141041A (en) | 1997-06-03 |
JP3088648B2 JP3088648B2 (en) | 2000-09-18 |
Family
ID=18140944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP07322189A Expired - Fee Related JP3088648B2 (en) | 1995-11-15 | 1995-11-15 | Gas-liquid mixer |
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JP (1) | JP3088648B2 (en) |
Cited By (11)
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KR100477433B1 (en) * | 2002-10-08 | 2005-03-23 | 두산중공업 주식회사 | Ammonia Mixing Device in Exhaust Gas Duct |
KR100779618B1 (en) * | 2006-12-22 | 2007-11-28 | 재단법인 포항산업과학연구원 | Apparatus and methode of co2 absorption from flue gas by double vortex tube |
JP2008086896A (en) * | 2006-09-29 | 2008-04-17 | Daiei Kk | Gas dissolving device |
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CN104174498A (en) * | 2014-08-25 | 2014-12-03 | 上海龙净环保科技工程有限公司 | Uniform distributor for flue gas and uniform distribution method of flue gas |
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1995
- 1995-11-15 JP JP07322189A patent/JP3088648B2/en not_active Expired - Fee Related
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KR100477433B1 (en) * | 2002-10-08 | 2005-03-23 | 두산중공업 주식회사 | Ammonia Mixing Device in Exhaust Gas Duct |
JP2008086896A (en) * | 2006-09-29 | 2008-04-17 | Daiei Kk | Gas dissolving device |
KR100779618B1 (en) * | 2006-12-22 | 2007-11-28 | 재단법인 포항산업과학연구원 | Apparatus and methode of co2 absorption from flue gas by double vortex tube |
JP2011067819A (en) * | 2010-12-03 | 2011-04-07 | Anemosu:Kk | Mixing element and static fluid mixer using the same |
JP2014532556A (en) * | 2011-10-31 | 2014-12-08 | ノードソン コーポレーションNordson Corporation | Reconfigurable mixing baffle for static mixer and method for making static mixer |
US9981232B2 (en) | 2011-10-31 | 2018-05-29 | Nordson Corporation | Reconfigurable mixing baffle for static mixer and method for making a static mixer |
US11446616B2 (en) | 2011-10-31 | 2022-09-20 | Nordson Corporation | Reconfigurable mixing baffle for static mixer and method for making a static mixer |
CN103768938A (en) * | 2013-12-05 | 2014-05-07 | 浙江大学 | Ammonia-flue gas uniformly mixing device |
CN104174498A (en) * | 2014-08-25 | 2014-12-03 | 上海龙净环保科技工程有限公司 | Uniform distributor for flue gas and uniform distribution method of flue gas |
JP2022003241A (en) * | 2020-06-23 | 2022-01-11 | トヨタ紡織株式会社 | Pre-cleaner |
CN113599976A (en) * | 2021-08-20 | 2021-11-05 | 南通润中石墨设备有限公司 | Falling film type graphite absorber |
CN113996123A (en) * | 2021-11-26 | 2022-02-01 | 中国核动力研究设计院 | Separation blade and catch water |
CN114504915A (en) * | 2022-02-07 | 2022-05-17 | 山东瑞龙环保科技有限公司 | Ultralow-emission efficient wet dust removal system and process |
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