JPS6068036A - Fluid contacting device - Google Patents
Fluid contacting deviceInfo
- Publication number
- JPS6068036A JPS6068036A JP59171786A JP17178684A JPS6068036A JP S6068036 A JPS6068036 A JP S6068036A JP 59171786 A JP59171786 A JP 59171786A JP 17178684 A JP17178684 A JP 17178684A JP S6068036 A JPS6068036 A JP S6068036A
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- bowl
- shaped body
- liquid
- contact
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 43
- 239000006185 dispersion Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 44
- 238000010521 absorption reaction Methods 0.000 description 12
- 230000002378 acidificating effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23126—Diffusers characterised by the shape of the diffuser element
- B01F23/231264—Diffusers characterised by the shape of the diffuser element being in the form of plates, flat beams, flat membranes or films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
- B01F23/23105—Arrangement or manipulation of the gas bubbling devices
- B01F23/2312—Diffusers
- B01F23/23125—Diffusers characterised by the way in which they are assembled or mounted; Fabricating the parts of the diffusers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は液体相互あるいは気体と液体とを効率よく接触
させる装置をこ関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for efficiently bringing liquids into contact with each other or with gas and liquid.
流体接触、例えば気液接触を行な〜う場合、液体中をこ
気体を効果的に分散せしめて接触吸収効率を高めること
はどんな場合でも重要なことである。When performing fluid contact, such as gas-liquid contact, it is always important to effectively disperse the gas in the liquid to increase contact absorption efficiency.
従来、液体中に気体あるいは他の液体を分散させる方法
としては、多孔管あるいは多孔質焼結体を通して気体ま
たは液体を分散噴射させる方法が多く用いられてきた。Conventionally, as a method for dispersing gas or other liquid in a liquid, a method of dispersing and injecting gas or liquid through a porous pipe or a porous sintered body has been widely used.
このような方法によって気液を効率よく分散しようとす
れば、気体が液体に接触するときの気泡の大きさを小さ
くして接触面積を大きくする必要がある。このためには
多孔管の孔径を小さくする必要があり、その結果例えば
液とガスの反応によって沈澱物の生ずるような場合には
とくに噴゛出口は閉塞しやすくなる。これを避けて孔径
を大きくとれ″ば気泡が大きくなって気液の接触効率が
悪くなるという欠点を持っている。In order to efficiently disperse gas and liquid by such a method, it is necessary to increase the contact area by reducing the size of bubbles when gas contacts liquid. For this purpose, it is necessary to reduce the pore diameter of the porous tube, and as a result, the ejection port becomes particularly prone to blockage, for example, when a precipitate is generated due to a reaction between liquid and gas. If the pore size is increased to avoid this, the bubbles will become larger and the gas-liquid contact efficiency will deteriorate.
本釦明者らはこのような従来法の欠点を改善して、閉塞
の少ないしかも良好な接触効率が得られる流体接触装置
について種々検討を重ねた結果、気体の放出部であ、る
混合器を流体の供給管に接続する椀状体とこれに接する
プレートとから構成しプレートの位置を特定してスリッ
ト間隔を定め、椀状体とプレートの間の外周上にあるス
リット面積が一定になるように構成して、この混合器に
連MLだ供給口より気体あるいは必要に応じて予備混合
された気液混合体を送入すれば、円周上のスリットから
均一して非常に微細化された気泡あるいは気液泡が液中
に噴出し、しかも多孔管のような閉塞もなく、すぐれた
流体接触が行なわれることを知り本発明に到達した。さ
らに上下2室に区画した密閉槽内において、王室で前記
混合器瘉こよって良好な流体接触を行ない、上室に円周
方向に向って液体を噴出するノズルを複数個設け、下室
からの流体をこのノズルで分散噴射せしめれば、すこぶ
る効率の高い流体接触効果が得られるとの知見をもって
本発明を完成した。As a result of various studies on a fluid contacting device that improves the shortcomings of the conventional method and provides good contact efficiency with less clogging, the authors have developed a mixer that is a gas discharge part. consists of a bowl-shaped body connected to a fluid supply pipe and a plate in contact with the bowl-shaped body, and the slit interval is determined by specifying the position of the plate, so that the slit area on the outer periphery between the bowl-shaped body and the plate is constant. With this configuration, if gas or a premixed gas-liquid mixture is fed into this mixer from the continuous ML supply port, it will be uniformly and extremely finely mixed through the slits on the circumference. The present inventors discovered that bubbles or gas-liquid bubbles are ejected into the liquid, and that excellent fluid contact is achieved without clogging as in a porous pipe. Furthermore, in a sealed tank divided into two upper and lower chambers, the mixer is used to ensure good fluid contact, and the upper chamber is equipped with multiple nozzles that eject liquid in the circumferential direction. The present invention was completed based on the knowledge that a highly efficient fluid contact effect can be obtained by dispersing and injecting fluid through this nozzle.
即ち、本発明の要旨は流体の接触槽と、その流体接触槽
内に設置した混合器とからなり、該混合器は流体の供給
管に接続する剛性の椀状体とこれに接するプレートとか
ら構成され、前記椀状体とプレートの1mの外周上に流
体を噴出するスリットを有してなる流体接触装置である
。さらに流体の密閉接触槽を上下2室に区画り、その下
室下部をこ混合器を、上室に複数個の分散ノズルと流体
の排出口を設け、前記混合器は流体の供給管に接続する
剛性の椀状体とプレートとから構成され、前記椀状体と
プレートの間の外周上に流体を噴出するスリットを有し
、前記分散ノズルは下端が下室に貫通し上部が外周上に
液を分散する構造となした流体接触装置である。That is, the gist of the present invention consists of a fluid contact tank and a mixer installed in the fluid contact tank, and the mixer includes a rigid bowl-shaped body connected to a fluid supply pipe and a plate in contact with the rigid bowl-shaped body. This fluid contact device has a slit for ejecting fluid onto the 1 m outer periphery of the bowl-shaped body and the plate. Further, the sealed contact tank for fluid is divided into two chambers, upper and lower, and the lower chamber is equipped with a mixer, and the upper chamber is equipped with a plurality of dispersion nozzles and a fluid outlet, and the mixer is connected to a fluid supply pipe. The dispersion nozzle is composed of a rigid bowl-shaped body and a plate, and has a slit for ejecting fluid on the outer periphery between the bowl-shaped body and the plate, and the dispersion nozzle has a lower end penetrating into the lower chamber and an upper part extending above the outer periphery. This is a fluid contact device with a structure that disperses liquid.
次に本発明を図面により例示して説明する。Next, the present invention will be explained with reference to the drawings.
第1図は本発明の最も簡単な装置の一例を示す概要図で
ある。この第1図、および後述する第2図の例ではアル
カリ性液体に酸性ガスを接触させ中和処理する場合につ
いて述べる。1は液体入口、2はガス体入口、3は予備
混合器、4は後述の第3冨千図に示される混合器である
。5の開放槽にはあらかじめ水または所定の液を張り込
んで置くか、場合【こよっては空の状態で液体人口1よ
りアルカリ性液体、例えばセメント廃水を、ガス人口2
より酸性ガス例えばCO2ガスを導入して、予備混合器
3(エジェクター型)で一部予備混合を行ないながら気
液は混合器4に入り、そのスリット部分から微細な気液
混合泡となって槽5中に噴出する。噴出した直後にガス
吸収は殆んど完了しているが、気液の混合条件例えば流
速等により若干の未反応ガスが残留している場合には、
微細な泡状となって槽5内の液柱を上昇する間に気液接
触による吸収が行なわれる。この例ではアルカリ性液体
と酸性ガスの予備混合を行なっているが、場合をこよっ
ては予備混合を行なわず酸性ガスのみを槽内のアルカリ
性液体中へ直接混合器を通して噴出させても十分な吸収
が行なわれる。FIG. 1 is a schematic diagram showing an example of the simplest device of the present invention. In the examples shown in FIG. 1 and FIG. 2, which will be described later, a case will be described where an alkaline liquid is brought into contact with an acidic gas for neutralization treatment. 1 is a liquid inlet, 2 is a gas inlet, 3 is a premixer, and 4 is a mixer shown in Figure 3, which will be described later. Either fill the open tank in step 5 with water or a specified liquid in advance, or fill it with alkaline liquid, such as cement wastewater, rather than liquid volume 1 while it is empty, or fill it with gas volume 2.
A more acidic gas such as CO2 gas is introduced, and while some premixing is performed in the premixer 3 (ejector type), the gas and liquid enter the mixer 4, and form fine gas-liquid mixed bubbles through the slit portion of the tank. It squirts during 5. Gas absorption is almost complete immediately after ejection, but if some unreacted gas remains due to gas-liquid mixing conditions, such as flow rate,
While the liquid becomes fine bubbles and rises up the liquid column in the tank 5, absorption occurs through gas-liquid contact. In this example, the alkaline liquid and acidic gas are premixed, but in some cases, sufficient absorption may be achieved even if no premixing is performed and only the acidic gas is injected directly into the alkaline liquid in the tank through a mixer. It is done.
第2図は本発明の他の例を示す概要図である。FIG. 2 is a schematic diagram showing another example of the present invention.
図の6は液体人口、7はガス体人口、8は予備混合器で
あり、9は混合器である。lOは耐圧を有する密閉の接
触槽であって上F2つの室に区画されている。11は上
室に取付けたノズルで、その下部なこ短管12を有して
下室内に開口し、上部は外周上に液を分散噴出する構造
となっている。In the figure, 6 is a liquid population, 7 is a gas mass, 8 is a premixer, and 9 is a mixer. IO is a pressure-resistant sealed contact tank divided into two upper chambers. Reference numeral 11 denotes a nozzle attached to the upper chamber, which has a lower part with a short tube 12 and opens into the lower chamber, and its upper part is structured to disperse and spray liquid onto the outer periphery.
ポンプ等で加圧されたアルカリ性液体および酸性ガスは
液体人口6および7よりそれぞれ導入され導管内の予備
混合器8で一部混合しながら混合器9のスリット部分か
ら噴出する際に細かい気液混合泡となっているので噴出
口付近で大部分良好な接触が行なわれるが、一部未吸収
、未反応として残った場合は接触槽10・の液中を微細
な泡状で上昇しながら気泡の細分化による吸収効果と王
室ノズル背圧による加圧によって物理的吸収効果を兼ね
て非常に効果的な接触吸収が行なわれる。更に運転条件
の不備等により吸収が完全でなく、未吸収ガスが槽10
の下室の上部に残留するようなことがあっても、王室の
ガスを含む液はノズル11の脚部から押し上げられ、外
周上に向って噴射されて吸収を行なうと共0こ上室内に
存在する未反応ガスとも霧状Qこ接触して吸収反応に資
する。排出口18の存在は出口大気に対し、槽内におけ
るノズル11 による噴霧状での吸収反応を利用し、排
出口13を通過する液、ガスに最債の吸収反応の機会を
与える。このようにしてアルカリ性液は完全に中和され
、無害な状態で排出される。Alkaline liquid and acidic gas pressurized by a pump or the like are introduced from liquid ports 6 and 7, respectively, and while being partially mixed in a premixer 8 in a conduit, a fine gas-liquid mixture is generated when they are ejected from a slit in a mixer 9. Since the foam is in the form of bubbles, most of the contact is good near the spout, but if some remains unabsorbed or unreacted, the bubbles rise in the liquid in the contact tank 10 in the form of fine bubbles. The absorption effect of fragmentation and the pressurization caused by the back pressure of the royal nozzle provide a very effective contact absorption that also serves as a physical absorption effect. Furthermore, due to inadequate operating conditions, absorption is not complete, and unabsorbed gas remains in tank 10.
Even if the liquid remains in the upper part of the lower chamber, the liquid containing the royal gas is pushed up from the leg of the nozzle 11 and is injected toward the outer periphery to absorb the liquid, and the liquid remains in the upper chamber. The mist Q also comes into contact with the existing unreacted gas and contributes to the absorption reaction. The existence of the discharge port 18 provides the liquid and gas passing through the discharge port 13 with the best opportunity for absorption reaction by utilizing the absorption reaction in the form of atomization by the nozzle 11 in the tank with respect to the outlet atmosphere. In this way, the alkaline liquid is completely neutralized and discharged harmlessly.
第3図は本発明装置に設置される混合器の例である。FIG. 3 is an example of a mixer installed in the apparatus of the present invention.
第3図の14は椀状の剛体で流体供給口15と連結され
、スリット板16 をセットするボルト17とつながっ
ている。16は剛体のスリット板で、パツキン18によ
りボルト貫通穴の気密を保ってナツト19により締付け
られている。流体が流体供給口15かも供給されると混
合器の中で混合された流体は微細化された気液泡となっ
てスリットの全周から前記槽内に噴出する。このときス
リットから1すを出する流体の量は供給流体の圧力をこ
応じて増減するので椀状体内がバッファーとなり均一に
噴出する。Reference numeral 14 in FIG. 3 is a bowl-shaped rigid body connected to the fluid supply port 15 and to the bolt 17 that sets the slit plate 16. Reference numeral 16 denotes a rigid slit plate, which is tightened with a nut 19 while keeping the bolt through hole airtight with a packing 18. When fluid is also supplied to the fluid supply port 15, the fluid mixed in the mixer becomes fine gas-liquid bubbles and is ejected into the tank from the entire circumference of the slit. At this time, the amount of fluid discharged from the slit increases or decreases depending on the pressure of the supplied fluid, so that the bowl-shaped body acts as a buffer and is uniformly discharged.
本発明の装置を構成する各部材は処理する液体3よび気
体の種類、操業条件なこより適宜選択して使用されるべ
きであるが、槽は通常金JiItI製のものを用い、混
合器の流体供給管および椀状都には例えば金属、プラス
チック等の剛性体が、スリット板には剛性の金属、プラ
スチックまたは可撓性のゴム、弾力性ブラヌチツク等が
用いられる。Each member constituting the apparatus of the present invention should be appropriately selected and used depending on the type of liquid 3 and gas to be treated and the operating conditions. For example, a rigid body such as metal or plastic is used for the supply pipe and the bowl-shaped cap, and a rigid metal, plastic, flexible rubber, elastic blank, or the like is used for the slit plate.
本発明の装置を使用すれば排ガス中の有害成分の吸収除
去、あるいは廃液の中和処理などの流体接触が簡単な操
作で効率よ〈実施することができ、とくに流体の処理量
に応じて圧力を調節し、噴出量の増減をはかることので
きる混合器と分散ノズルとを組合せた流体接触装置は多
くの目的にすぐれた効力を発揮する。また本装置は小型
、コンパクトをこ形成し得るので可搬式としても便利に
使用できる。By using the device of the present invention, fluid contact such as absorption and removal of harmful components in exhaust gas or neutralization of waste liquid can be carried out efficiently with simple operations. A fluid contact device that combines a mixer and a dispersion nozzle that can adjust the amount of ejection and increase or decrease the ejection amount is highly effective for many purposes. Furthermore, since this device can be made small and compact, it can be conveniently used as a portable device.
第1図は本発明装置の一つの例を示す概要図、第2図は
他の例を示す装置の概要図である。
第8図は混合器の例を示す概要図である。
出願人 製鉄化学工業株式会社
代表者 佐々木 浩FIG. 1 is a schematic diagram showing one example of the device of the present invention, and FIG. 2 is a schematic diagram showing another example of the device. FIG. 8 is a schematic diagram showing an example of a mixer. Applicant: Hiroshi Sasaki, Representative of Steel Manufacturing Chemical Industry Co., Ltd.
Claims (2)
り、該混合器は流体の供給管に接続する剛性の椀状体と
これ蚤こ接するプレートとから構成され前記椀状体とプ
レートの間の外周上を二流体を噴出するスリットを有し
てなる流体接触装置。(1) Consisting of an open tank and a mixer installed within the tank, the mixer is composed of a rigid bowl-shaped body connected to a fluid supply pipe and a plate in contact with the bowl-shaped body. A fluid contact device comprising a slit that ejects two fluids on the outer periphery between plates.
合器、王室に複数個の分散ノズルと流体の排出口を設け
、前記混合器は流体の供給管に接続する剛性の椀状体と
これに接するプレートとから構成され、前記椀状体とプ
レートの間の外周チ蚤二流体を噴出するスリットを有し
、前記ノズルは下端が下室※二貫通し、−り都が外周方
向に開口した構造の流体接触装置。(2) The sealed tank is divided into two upper and lower chambers, and the lower chamber is equipped with a mixer in the lower part, a plurality of dispersion nozzles and a fluid outlet in the lower part, and the mixer is a rigid bowl connected to a fluid supply pipe. The nozzle is composed of a bowl-shaped body and a plate in contact with the bowl-shaped body, and has a slit on the outer periphery between the bowl-shaped body and the plate for spouting two fluids. A fluid contact device with a structure that opens toward the outer periphery.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59171786A JPS6068036A (en) | 1984-08-17 | 1984-08-17 | Fluid contacting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59171786A JPS6068036A (en) | 1984-08-17 | 1984-08-17 | Fluid contacting device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13107276A Division JPS6020053B2 (en) | 1976-10-29 | 1976-10-29 | fluid contact device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6068036A true JPS6068036A (en) | 1985-04-18 |
Family
ID=15929658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59171786A Pending JPS6068036A (en) | 1984-08-17 | 1984-08-17 | Fluid contacting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6068036A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0490350A1 (en) * | 1990-12-13 | 1992-06-17 | Linde Aktiengesellschaft | Device for introducing gas into liquids |
JPH0664637U (en) * | 1993-02-24 | 1994-09-13 | 義昭 野口 | Mobility aids for the sick |
JP2006281075A (en) * | 2005-03-31 | 2006-10-19 | National Institute Of Advanced Industrial & Technology | Alkaline wastewater neutralization system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5355477A (en) * | 1976-10-29 | 1978-05-19 | Seitetsu Kagaku Co Ltd | Contacting apparatus for fluid |
-
1984
- 1984-08-17 JP JP59171786A patent/JPS6068036A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5355477A (en) * | 1976-10-29 | 1978-05-19 | Seitetsu Kagaku Co Ltd | Contacting apparatus for fluid |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0490350A1 (en) * | 1990-12-13 | 1992-06-17 | Linde Aktiengesellschaft | Device for introducing gas into liquids |
JPH0664637U (en) * | 1993-02-24 | 1994-09-13 | 義昭 野口 | Mobility aids for the sick |
JP2006281075A (en) * | 2005-03-31 | 2006-10-19 | National Institute Of Advanced Industrial & Technology | Alkaline wastewater neutralization system |
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