JP3364208B2 - Cross flow tray stripping equipment - Google Patents
Cross flow tray stripping equipmentInfo
- Publication number
- JP3364208B2 JP3364208B2 JP2001139419A JP2001139419A JP3364208B2 JP 3364208 B2 JP3364208 B2 JP 3364208B2 JP 2001139419 A JP2001139419 A JP 2001139419A JP 2001139419 A JP2001139419 A JP 2001139419A JP 3364208 B2 JP3364208 B2 JP 3364208B2
- Authority
- JP
- Japan
- Prior art keywords
- cross
- flow
- tray
- wear
- flow tray
- 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.)
- Expired - Fee Related
Links
Landscapes
- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、揮発性有機化合物
に汚染された汚染水をストリッピング処理して精製する
ために用いる装置に係り、特にストリッピング効率を高
めて装置自体をコンパクトにした十字流トレイストリッ
ピング装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device used for stripping and purifying contaminated water contaminated with volatile organic compounds, and more particularly, to a cross having a compact device itself with improved stripping efficiency. Flow tray stripping apparatus.
【０００２】[0002]
【従来の技術及びその課題】従来のストリッパーとして
採用されている円形型多孔板塔では、トレイ上の液流れ
が完全混合に近いためトレイの一段当たりのストリッピ
ング効率が低く、所望のストリッピングを達成するため
には６〜８段のトレイを必要とするのが一般的であっ
た。従って、装置が大きくなりコスト高の原因となると
共に配置場所の点においてもネックとなっていた。2. Description of the Related Art In a circular type perforated plate tower used as a conventional stripper, since the liquid flow on the tray is close to perfect mixing, the stripping efficiency per tray is low and the desired stripping is performed. It was common to require 6-8 trays to achieve. Therefore, the size of the apparatus becomes large, which causes a high cost, and also becomes a bottleneck in terms of the place of arrangement.
【０００３】[0003]
【課題を解決する手段】本発明は、上記の問題である装
置の過大によるコスト高と設置場所を解決した十字流ト
レイストリッピング装置であって、その要旨は、
（１）気液を接触させて液中の揮発性汚染物質を気相に
移すことにより処理液を精製するストリッピング装置に
おいて、当該装置の塔体内には長手寸法／短手寸法＝
１．５〜５．０の長方形の十字流トレイを内装し、当該
十字流トレイ上面に短手方向に延びるインレットウェア
とアウトレットウェアを立設すると共に当該十字流トレ
イ上面の両ウェア間に短手方向に延びる複数の仕切板を
長手方向に沿って配置し、かつ処理液を十字流トレイの
長手方向に押出し（ピストンフロー）することにより十
字流トレイ上面をインレットウェアからアウトレットウ
ェア方向に流下するようにしたことを特徴とする十字流
トレイストリッピング装置である。
（２）十字流トレイ上面に立設されたインレットウェア
とアウトレットウェアは、その上端の上に処理液の流路
を形成するものであり、十字流トレイ上面に配置された
複数の仕切板は、その上端の上に処理液の流路を形成す
るものと、その下端と十字流トレイ上面との間に処理液
の流路を形成するものとからなり、インレットウェアか
らアウトレットウエア方向に流下する処理液の流れが上
下に迂流するように、両仕切板を交互に配置することを
特徴とする上記（１）の十字流トレイストリッピング装
置である。SUMMARY OF THE INVENTION The present invention is a cross-flow tray stripping device which solves the problem of high cost and installation location due to excessive size of the device, and its gist is (1) contacting gas and liquid. In a stripping device for purifying a processing liquid by transferring volatile pollutants in the liquid to a gas phase, a longitudinal dimension / short dimension =
And rectangular interior cross-flow tray of 1.5 to 5.0, for a short time between the wear of the cross-flow tray upper surface with upright inlet wear and outlet wear extending short Tekata direction to the cross-flow tray upper surface A plurality of partition plates extending in the hand direction are arranged along the longitudinal direction, and the treatment liquid is extruded in the longitudinal direction of the cross flow tray (piston flow) to flow down the cross flow tray upper surface from the inlet wear to the outlet wear direction. This is a cross-flow tray stripping device. ( 2 ) The inlet wear and the outlet wear which are erected on the upper surface of the cross flow tray form a flow path of the processing liquid on the upper end thereof, and the plurality of partition plates arranged on the upper surface of the cross flow tray are A process that forms a flow path for the processing liquid on its upper end and a flow path for the processing liquid between its lower end and the upper surface of the crossflow tray, and is a process that flows down from the inlet wear toward the outlet wear. The crossflow tray stripping device according to (1) above, wherein both partition plates are alternately arranged so that the flow of the liquid bypasses vertically.
【０００４】[0004]
【発明の実施の形態】本発明の十字流トレイストリッピ
ング装置を添付図面に基づいて詳しく説明する。図１は
請求項１の本発明装置の正面概略断面図、図２は図１の
II-II断面図、図３は図１のIII-III断面図である。BEST MODE FOR CARRYING OUT THE INVENTION The crossflow tray stripping device of the present invention will be described in detail with reference to the accompanying drawings. Figure 1
1 is a schematic front sectional view of the device of the present invention according to claim 1;
II-II sectional view, FIG. 3 is a III-III sectional view of FIG.
【０００５】図１において、１は塔体であり、当該塔体
１内には十字流トレイ２が複数段配置されている。また
塔体１の上部側面に処理液の流入口４、塔体１の最下部
に処理済液の吐出口５、塔体１の下部側面に曝気用の加
圧空気流入口６及び当該空気流入口６に続いて塔体内に
吹出しノズル６１、塔体１の最上部に曝気空気の吐出口
７が各々取り付けられている。In FIG. 1, reference numeral 1 denotes a tower body, and a plurality of cross flow trays 2 are arranged in the tower body 1. Further, the treated liquid inlet 4 is provided on the upper side surface of the tower 1, the treated liquid outlet 5 is provided at the lowermost portion of the tower 1, the pressurized air inlet 6 for aeration and the air flow is provided on the lower side surface of the tower 1. Following the inlet 6, a blow-out nozzle 61 is attached to the inside of the tower body, and an aeration air outlet 7 is attached to the uppermost part of the tower body 1.
【０００６】図１の十字トレイ２は長方形であって、多
孔板２１と当該多孔板２１の上面に短手方向に延びるイ
ンレットウェア２２とアウトレットウェア２３を立設す
ると共に当該多孔板２１の上面の両ウェア間に短手方向
に延びる複数の仕切板２４を長手方向に沿って配置した
構造であって、当該仕切板２４を設けることによって、
処理液に押出し流れ（ピストンフロー）を惹起させてい
る。仕切板２４は図１に示す如く、その下端と多孔板２
１の上面との間に処理液の流路を形成する間隙を有する
ものと、その上端がインレットウェア２２及びアウトレ
ットウェア２３の上端より低くして当該仕切板２４の上
端の上に処理液の流路を形成するものとからなり、これ
を交互に配列させることにより処理液をインレットウェ
ア２２からアウトレットウェア２３方向に流下させ、更
に上下にも迂流させて逆流を防止しストリッピング効率
をさらに向上させている。そして、これら仕切板２４
は、２〜５枚を配置するのが適当である。[0006] cross tray 2 of Figure 1 is a rectangular upper surface of the perforated plate 21 with upright inlet wear 22 and the outlet wear 23 on the upper surface of the porous plate 21 and the porous plate 21 extending in the short Tekata direction It is a structure in which a plurality of partition plates 24 extending in the lateral direction are arranged along the longitudinal direction between both wears, and by providing the partition plates 24,
Extrusion flow (piston flow) is caused in the treatment liquid. The partition plate 24, as shown in FIG.
1 having a gap for forming a flow path of the processing liquid with the upper surface of 1, and the upper end thereof is lower than the upper ends of the inlet wear 22 and the outlet wear 23 and the flow of the processing liquid on the upper end of the partition plate 24. It forms a passage, and by alternately arranging it, the processing liquid flows down from the inlet wear 22 toward the outlet wear 23, and further diverts up and down to prevent backflow and further improve stripping efficiency. I am letting you. And these partition plates 24
It is suitable to arrange 2 to 5 sheets.
【０００７】多孔板２１のインレットウェア２２とアウ
トレットウェア２３の間には図２及び３に示す如く***
２１１を均等に多数穿設されている。例えば、長方形の
十字流トレイが２００ｍｍ×１００ｍｍの場合は、直径
が３ｍｍで１５４個程度の***を均等に設けるとよい。As shown in FIGS. 2 and 3, a large number of small holes 211 are evenly formed between the inlet wear 22 and the outlet wear 23 of the perforated plate 21. For example, when the rectangular cross-flow tray has a size of 200 mm × 100 mm, it is advisable to uniformly provide about 154 small holes having a diameter of 3 mm.
【０００８】そして、十字流トレイ２は長方形で、長手
寸法／短手寸法＝１．５〜５．０であって、かつ処理液
を長手方向に流下させる構造がストリッピング効率が良
く、特に、この比が２．０〜４．０であるとストリッピ
ング効率が最適であることが実験結果より得られた。The cross-flow tray 2 is rectangular and has a longitudinal dimension / transverse dimension = 1.5 to 5.0, and a structure in which the processing liquid flows down in the longitudinal direction has good stripping efficiency. From the experimental results, it was found that the stripping efficiency was optimum when this ratio was 2.0 to 4.0.
【０００９】塔体１内に配置された上段の十字流トレイ
２と下段の十字流トレイ２とはダウンカマー３によって
連絡されている。このダウンカマー３によって上段の十
字流トレイ２のアウトレットウェア２３の上端を溢流し
た処理液は下段の十字流トレイ２のインレットウェア２
２側に導かれる。なお、処理液の飛沫を防止するために
塔体１の頂部内面にデミスターを設けてもよい。A downcomer 3 connects the upper cross flow tray 2 and the lower cross flow tray 2 arranged in the tower body 1. The processing liquid overflowing the upper end of the upper cross-flow tray 2 outlets Wear 23 by downcomers 3 inlet wear 2 of the lower cross-flow tray 2
Guided to the 2nd side. In addition, a demister may be provided on the inner surface of the top of the tower 1 in order to prevent splashing of the treatment liquid.
【００１０】次に、図１に示す本発明の十字流トレイス
トリッピング装置を使用して処理液の精製について説明
する。例えば、トリクロロエチレン等の揮発性有機化合
物で汚染された地下水等の処理液を流入口４より塔体１
の内の上段トレイ２に供給する。この処理液は、インレ
ットウェア２２の上端を溢流し、次いで仕切板２４の下
端の流路間隙を通過し、さらに次に位置する仕切板２４
の上端を溢流する。このように処理液は、十字流トレイ
２の上面を上下に迂流しながらアウトレットウェア２３
方向に押出し流れ（ピストンフロー）して流下し、最後
に当該アウトレットウェア２３の上端を溢流してダウン
カマー３に流れ込む。Next, the purification of the processing liquid using the cross flow tray stripping apparatus of the present invention shown in FIG. 1 will be described. For example, a treatment liquid such as groundwater contaminated with a volatile organic compound such as trichlorethylene is supplied from the inlet 4 to the tower body 1.
To the upper tray 2 inside. The treatment liquid overflows the upper end of the inlet wear 22, then under the partition plate 24
A partition plate 24 that passes through the flow path gap at the end and is located next
Overflowing on the end of. In this way, the processing liquid is circulated up and down on the upper surface of the cross flow tray 2, and the outlet wear 23
Flows down in extrusion flow (piston flow) in the direction, it flows into the downcomer 3 overflow over end of the last to the outlet wear 23.
【００１１】当該処理液は、十字流トレイ２の上面を上
下に迂流しながら流下する間に、加圧空気流入口６から
吹出しノズル６１に導入されて塔体１内を均一分散され
て上昇する曝気空気と接触し、処理液に溶解しているト
リクロロエチレン等の揮発性有機化合物が曝気空気に捕
集されて気相に移り、いわゆるストリッピング処理が行
われる。一方、このようにして精製された処理液は、ダ
ウンカマー３によって下段の十字流トレイに導かれ、こ
れを順次くり返して最終的に揮発性有機化合物が取り除
かれた浄化水は塔体１の最下部に設けられた吐出口５よ
り塔体の外部に排出される。The treatment liquid is introduced from the pressurized air inlet 6 into the blow-out nozzle 61 while being flown down while circumventing the upper surface of the cross flow tray 2 and uniformly dispersed in the tower body 1 to rise. A volatile organic compound such as trichlorethylene dissolved in the treatment liquid in contact with the aerated air is collected in the aerated air and transferred to the gas phase, so-called stripping treatment is performed. On the other hand, the treatment liquid thus purified is guided by the downcomer 3 to the lower cross-flow tray, and the purified water from which the volatile organic compounds have been finally removed is repeated in sequence, and the purified water is the highest in the tower body 1. It is discharged to the outside of the tower body through the discharge port 5 provided in the lower part.
【００１２】また、揮発性有機化合物を含有した曝気空
気は、吐出口７より塔体の外部に排出される。この排出
ガスは次工程に設置されている例えば活性炭充填層等に
導かれて所定の処理が行われる。The aerated air containing the volatile organic compound is discharged from the discharge port 7 to the outside of the tower body. This exhaust gas is guided to, for example, an activated carbon packed bed or the like installed in the next step and subjected to a predetermined treatment.
【００１３】[0013]
【発明の効果】本発明の十字流トレイストリッピング装
置は、ストリッピング効率が高く、コンパクトで低価格
の装置となり、コンパクトが故に設置場所についてもあ
まり考慮を払うことがない等優れた特徴を有している。The cross-flow tray stripping device of the present invention has excellent features such as a high stripping efficiency, a compact and low-priced device, and the fact that it is compact and does not give much consideration to the installation location. ing.
【図１】本発明装置の正面概略断面図。FIG. 1 is a schematic front sectional view of a device of the present invention.
【図２】図１のII-II断面図。FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】図１のIII-III顔面図。FIG. 3 is a III-III facial view of FIG. 1.
１ 塔体 ２ 十字流トレイ ２１ 多孔板 ２２ インレットウェア ２３ アウトレットウェア ２４ 仕切板 ３ ダウンカマー ４ 処理液の流入口 ５ 処理済液の吐出口 ６ 曝気空気の流入口 ７ 曝気空気の吐出口 1 tower 2 cross flow tray 21 Perforated plate 22 Inlet wear 23 Outlet wear 24 partition boards 3 downcomers 4 Processing liquid inlet 5 Discharge port of treated liquid 6 Aeration air inlet 7 Aeration air outlet
Claims (2)
を気相に移すことにより処理液を精製するストリッピン
グ装置において、当該装置の塔体内には長手寸法／短手
寸法＝１．５〜５．０の長方形の十字流トレイを内装
し、当該十字流トレイ上面に短手方向に延びるインレッ
トウェアとアウトレットウェアを立設すると共に当該十
字流トレイ上面の両ウェア間に短手方向に延びる複数の
仕切板を長手方向に沿って配置し、かつ処理液を十字流
トレイの長手方向に押出し（ピストンフロー）すること
により十字流トレイ上面をインレットウェアからアウト
レットウェア方向に流下するようにしたことを特徴とす
る十字流トレイストリッピング装置。1. A stripping device for purifying a treatment liquid by bringing gas and liquid into contact with each other and transferring volatile pollutants in the liquid to a gas phase. In the tower of the device, a longitudinal dimension / short dimension = 1 and rectangular interior cross-flow tray of .5～5.0, lateral between both wear of the cross-flow tray upper surface with upright inlet wear and outlet wear extending short Tekata direction to the cross-flow tray upper surface A plurality of partition plates extending in the same direction are arranged along the longitudinal direction, and the processing liquid is pushed out in the longitudinal direction of the cross flow tray (piston flow) so that the upper surface of the cross flow tray flows down from the inlet wear to the outlet wear direction. A cross-flow tray stripping device characterized in that
トウェアとアウトレットウェアは、その上端の上に処理
液の流路を形成するもであり、十字流トレイ上面に配置
された複数の仕切板は、その上端の上に処理液の流路を
形成するものと、その下端と十字流トレイ上面との間に
処理液の流路を形成するものとからなり、インレットウ
ェアからアウトレットウエア方向に流下する処理液の流
れが上下に迂流するように、両仕切板を交互に配置する
ことを特徴とする請求項１記載の十字流トレイストリッ
ピング装置。2. The inlet wear and the outlet wear standing on the upper surface of the crossflow tray form a processing liquid flow path on the upper end thereof, and a plurality of partition plates arranged on the upper surface of the crossflow tray. Consists of one that forms a processing liquid flow path above its upper end and one that forms a processing liquid flow path between its lower end and the upper surface of the cross flow tray. 2. The cross flow tray stripping device according to claim 1, wherein both partition plates are alternately arranged so that the flow of the processing liquid to be bypassed is vertically bypassed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001139419A JP3364208B2 (en) | 2001-05-10 | 2001-05-10 | Cross flow tray stripping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001139419A JP3364208B2 (en) | 2001-05-10 | 2001-05-10 | Cross flow tray stripping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002331203A JP2002331203A (en) | 2002-11-19 |
| JP3364208B2 true JP3364208B2 (en) | 2003-01-08 |
Family
ID=18986196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001139419A Expired - Fee Related JP3364208B2 (en) | 2001-05-10 | 2001-05-10 | Cross flow tray stripping equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3364208B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20072252A1 (en) * | 2007-11-30 | 2009-06-01 | Termochimica Impianti S R L | "DEGASIFIER" |
-
2001
- 2001-05-10 JP JP2001139419A patent/JP3364208B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002331203A (en) | 2002-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5110325A (en) | Recycle spray gas-liquid contactor | |
| JP2002512108A (en) | Design of a co-current contact separation stage and its use | |
| HU215731B (en) | Process and equipment for the contacting of gas and fluid media | |
| JP2515552B2 (en) | Exhaust air and wastewater biological purification apparatus and method | |
| EP1057509B1 (en) | Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof | |
| EP0110949B1 (en) | Purification apparatus | |
| KR20110110289A (en) | De-entrainment device | |
| KR20140126320A (en) | A flue gas purification device | |
| NZ199626A (en) | Gas washing column:co-axial separating and washing spaces | |
| KR970010799A (en) | Apparatus for removing residual monomer and method for removing the same | |
| JP3364208B2 (en) | Cross flow tray stripping equipment | |
| US5024686A (en) | Recycle spray gas-liquid contactor | |
| JP4839912B2 (en) | Purification method of contaminated water | |
| KR20170115421A (en) | Micro-bubbling Diffraction Scrubber | |
| JP3643979B2 (en) | Purification equipment for water containing volatile organic compounds | |
| JP3976986B2 (en) | Wastewater treatment method for recovery of volatile organic compounds | |
| JP2004202319A (en) | Separating apparatus | |
| JP4514901B2 (en) | Purification method for (meth) acrylic acid, etc. | |
| KR200333254Y1 (en) | Double Perforated Hole Type Sieve Plate Scrubber | |
| CN114292165A (en) | Partition wall tower type isopropanol solution adsorption, rectification, separation and purification method | |
| JP2594104Y2 (en) | Multiple gas phase liquid processing equipment | |
| JPH06254582A (en) | Membrane device for septic tank | |
| GB1565840A (en) | Air purification apparatus | |
| CN218339314U (en) | High-efficient exhaust treatment device that sprays | |
| JP2925831B2 (en) | Filtration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081025 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091025 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101025 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111025 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |