JPH0522092U - Floating bubble removal device for discharge channel - Google Patents

Floating bubble removal device for discharge channel

Info

Publication number
JPH0522092U
JPH0522092U JP7044091U JP7044091U JPH0522092U JP H0522092 U JPH0522092 U JP H0522092U JP 7044091 U JP7044091 U JP 7044091U JP 7044091 U JP7044091 U JP 7044091U JP H0522092 U JPH0522092 U JP H0522092U
Authority
JP
Japan
Prior art keywords
centrifugal
raft
underdrain
bubbles
dimensional net
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.)
Withdrawn
Application number
JP7044091U
Other languages
Japanese (ja)
Inventor
雅久 藤本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP7044091U priority Critical patent/JPH0522092U/en
Publication of JPH0522092U publication Critical patent/JPH0522092U/en
Withdrawn legal-status Critical Current

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  • Degasification And Air Bubble Elimination (AREA)
  • Removal Of Floating Material (AREA)

Abstract

(57)【要約】 【目的】 放水路の水面上に浮遊する泡を設備費及び運
用費を嵩ませずに効果的に集泡、消泡する。また潮位の
変動による筏の高さ位置の調整を不要にする。 【構成】 暗渠と略同じ巾の筏(浮遊泡除去装置1)を
暗渠と開渠との境界部の暗渠側に挿入し、遠心式消泡機
5〜7を開渠側に出して、この遠心式消泡機5〜7の竪
型電動機6及び羽根車を駆動する。このとき、暗渠の天
井面に沿って或る速度で温排水とともに流れてきた泡
と、水面部の温排水とを、筏に組み込んだ3次元網2の
中に導き、下流側へ流して、流速略零の状態にまで減速
させる一方、泡を遠心式消泡機本体5に達するまでの間
に3次元網2の上に徐々に浮上させて、遠心式消泡機本
体5内の羽根車により、同遠心式消泡機本体5内へ吸引
し、同羽根車の遠心力により機械的に潰して、空気と海
水とに分離し、分離した空気を排気管7を経て遠心式消
泡機本体5外へ排気し、分離した海水を温排水の流れに
戻す。このとき、棹状のフロート3により3次元網2を
浮上、保持させるので、潮位の変動による筏の高さ位置
の調整を必要としない。
(57) [Summary] [Purpose] Effectively collect and defoam bubbles floating on the surface of the discharge channel without increasing equipment and operating costs. It also eliminates the need to adjust the height of the raft due to changes in tide level. [Structure] A raft (floating bubble removing device 1) having a width approximately the same as that of the underdrain is inserted into the underdrain side of the boundary between the underdrain and the open underwater, and centrifugal defoamers 5 to 7 are brought out to the open underwater side. The vertical electric motors 6 and the impellers of the centrifugal defoamers 5 to 7 are driven. At this time, the bubbles that have flowed along with the hot drainage along the ceiling surface of the underdrain at a certain speed and the hot drainage of the water surface portion are guided into the three-dimensional net 2 incorporated in the raft and flowed to the downstream side, While decelerating to a state where the flow velocity is almost zero, the bubbles are gradually floated on the three-dimensional net 2 before reaching the centrifugal defoamer body 5, and the impeller inside the centrifugal defoamer body 5 The centrifugal defoamer body 5 is sucked into the centrifugal defoamer body 5 and mechanically crushed by the centrifugal force of the impeller to separate into air and seawater, and the separated air is passed through the exhaust pipe 7 and the centrifugal defoamer. Exhaust to the outside of the main body 5 and return the separated seawater to the flow of warm wastewater. At this time, since the three-dimensional net 2 is floated and held by the rod-shaped float 3, it is not necessary to adjust the height position of the raft due to the fluctuation of the tide level.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、放水路の水面上に浮遊する泡を集泡及び消泡する放水路の浮遊泡除 去装置に関するものである。 The present invention relates to a device for removing floating bubbles in a discharge channel that collects and defoams bubbles floating on the water surface of the discharge channel.

【0002】[0002]

【従来の技術】[Prior Art]

火力、原子発電力プラントの復水器等では、海水を冷却水として多量に使用し ており、使用後には、温排水として放水路に排出している。 A large amount of seawater is used as cooling water in the condensers of thermal power plants and nuclear power plants, and after use, it is discharged to the discharge channel as warm wastewater.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

冷却水に海水を使用した場合、泡の発生を避けられず,泡の付着による魚網の 汚染、泡の飛散による塩害、或いは景観に対する影響など、数々の泡害が発生し ている。 上記の泡を消泡するためには、発泡部に整流板を設置するとか、消泡パイプを 敷設するとか、或いはそれらを組み合わせて設置するとか、の対策が必要になる が、これらは抜本的な対策ではなく、発泡量を減少させるに止まっているのが現 状である。 When seawater is used as the cooling water, bubbles are unavoidable, and a number of bubbles are generated, such as pollution of the fish net due to bubbles adhering, salt damage due to bubbles scattering, and effects on the landscape. In order to defoam the above bubbles, it is necessary to take measures such as installing a straightening vane in the foaming part, laying an antifoaming pipe, or installing them in combination, but these are fundamental. The current situation is that it is merely a measure to reduce the amount of foaming, not a countermeasure.

【0004】 泡の発生原因としては、暗渠、開渠を流れるときの水位差、落水、跳水により 生じる乱流の水面空気の巻き込み等があるが、循環用海水が復水器を通過すると き、サイホン効果により真空になって、海水中の溶存空気が分離するのも、大き な原因の1つである。 発生した泡の消泡には、真水(または海水(効果が低いが))による散水が効 果的であるが、大量の真水を必要として、設備費及び運用費を嵩ませる。The causes of bubbles include a culvert, a water level difference when flowing through an open culvert, spillage, and entrainment of turbulent water surface air caused by jumping. When seawater for circulation passes through a condenser, One of the major causes is that the dissolved air in seawater is separated due to a vacuum due to the siphon effect. Although sprinkling with fresh water (or seawater (although the effect is low)) is effective for defoaming the generated foam, a large amount of fresh water is required, which increases equipment costs and operation costs.

【0005】 また放水路海面を浮遊する泡を集泡するために、オイルフエンス等の堰を海面 上に設置する方式も従来公知であるが、この堰構造では、海水面の流速を低くす ることができず、折角集めた泡をオイルフエンス等の堰からオーバフローさせた り、折角集めた泡を堰の下から元の海面に戻して、海面上に再び浮遊させたりし て、泡を効果的に集泡できないという問題があった。Further, a method of installing a weir such as an oil fence on the sea surface in order to collect bubbles floating on the sea surface of the discharge channel has been conventionally known, but in this weir structure, the flow velocity on the sea surface is lowered. It is not possible to overflow the bubbles collected from the weir such as oil fence, or return the collected bubbles from the bottom of the weir to the original sea surface and float it again on the sea surface, which makes the foam effective. There was a problem that it could not collect bubbles.

【0006】 本考案は前記の問題点に鑑み提案するものであり、その目的とする処は、放水 路の水面上に浮遊する泡を設備費及び運用費を嵩ませずに効果的に集泡及び消泡 できる。また潮位の変動による筏の高さ位置の調整を不要にできる放水路の浮遊 泡除去装置を提供しようとする点にある。The present invention is proposed in view of the above problems, and an object thereof is to effectively collect bubbles floating on the water surface of a discharge channel without increasing facility costs and operating costs. And can defoam. Another point is to provide a device for eliminating floating bubbles in the discharge channel that eliminates the need to adjust the height of the raft due to fluctuations in tide level.

【0007】[0007]

【課題を解決するための手段】[Means for Solving the Problems]

上記の目的を達成するために、本考案の放水路の浮遊泡除去装置は、プラスチ ツクまたは金属よりなる半剛性の紐を糸瓜繊維状に且つ厚肉、帯状に組んで作成 した3次元網と、この3次元網を水面上に浮上、保持させる棹状のフロートとを 、交互に並列状態に並べて、巾方向両側にフロートを位置させるとともに、全体 の横巾を暗渠巾と略同じにして、全体を筏状に組み付け、同筏の長手方向一端部 に縁板を取付けて、同縁板に遠心式消泡機を取付けている。 In order to achieve the above object, the device for removing floating bubbles in a water discharge channel according to the present invention comprises a three-dimensional net made by combining a semi-rigid string made of plastic or metal into a gourd fiber and a thick wall or band. , And the rod-like floats that float and hold this three-dimensional net on the water surface are alternately arranged in parallel, the floats are positioned on both sides in the width direction, and the overall width is almost the same as the underdrain width. The whole is assembled in a raft shape, an edge plate is attached to one end of the raft in the longitudinal direction, and a centrifugal defoamer is attached to the edge plate.

【0008】[0008]

【作用】[Action]

本考案の放水路の浮遊泡除去装置は前記のように構成されており、暗渠と略同 じ巾の筏(浮遊泡除去装置)を暗渠と開渠との境界部の暗渠側に挿入し、遠心式 消泡機を開渠側に出して、この遠心式消泡機を駆動する。このとき、暗渠の天井 面に沿って或る速度で温排水とともに流れてきた泡と、水面部の温排水とを、筏 に組み込んだ3次元網の中に導き、下流側へ流して、流速略零の状態にまで減速 させる一方、泡を遠心式消泡機に達するまでの間に3次元網の上に徐々に浮上さ せて、遠心式消泡機内の羽根車により、消泡機内へ吸引し、羽根車の遠心力によ り機械的に潰して、空気と海水とに分離し、分離した空気を排気管を経て遠心式 消泡機本体外へ排気し、分離した海水を温排水の流れに戻す。 The floating bubble removing device of the discharge channel of the present invention is configured as described above, and a raft (floating bubble removing device) having substantially the same width as the underdrain is inserted into the underdrain side of the boundary between the underdrain and the open drain, Put the centrifugal defoamer on the open side and drive this centrifugal defoamer. At this time, the bubbles flowing along with the hot drainage at a certain speed along the ceiling surface of the underdrain and the hot drainage of the water surface are guided into the three-dimensional net incorporated in the raft, and flow to the downstream side, and the flow velocity is reduced. While decelerating to a state of almost zero, the bubbles are gradually floated on the three-dimensional mesh until they reach the centrifugal defoaming machine, and the impeller inside the centrifugal defoaming machine enters the defoaming machine. It is sucked and mechanically crushed by the centrifugal force of the impeller to separate it into air and seawater.The separated air is exhausted to the outside of the centrifugal defoamer main body through an exhaust pipe, and the separated seawater is warmed to drain. Return to the flow of.

【0009】[0009]

【実施例】【Example】

次に本考案の放水路の浮遊泡除去装置を図1、2、3に示す一実施例により説 明すると、1が浮遊泡除去装置、2が3次元網で、この3次元網2は、プラスチ ツクまたは金属よりなる半剛性の紐を糸瓜(へちま)繊維状に且つ厚肉、帯状に 組んで作成している。 Next, the floating bubble removing device of the present invention will be described with reference to an embodiment shown in FIGS. 1, 2 and 3. 1 is a floating bubble removing device, 2 is a three-dimensional net, and this three-dimensional net 2 is A semi-rigid string made of plastic or metal is made into a hemp fiber shape and is formed into a thick-walled band shape.

【0010】 3が3次元網2を水面上に浮上、保持させる棹状のフロートで、このフロート 3と上記3次元網2とを、交互に並列状態に並べて、巾方向両側にフロート3を 位置させるとともに、全体の横巾を暗渠巾と略同じにして、全体を筏状に組み付 けている。 4が上記筏の長手方向一端部に取付けた縁板、5が遠心式消泡機本体で、この 遠心式消泡機本体5が上記縁板4の温排水流れ方向上流側側面に取付けられてい る。また6が同遠心式消泡機本体5の上部に取付けた竪型電動機、7が上記遠心 式消泡機本体5から温排水流れ方向下流側へ延びた排気管で、遠心式消泡機本体 5内には、羽根車(図示せず)が設置され、この羽根車が縦型電動機6により駆 動されるようになっている。Reference numeral 3 denotes a rod-shaped float that floats and holds the three-dimensional net 2 on the water surface. The float 3 and the three-dimensional net 2 are alternately arranged in parallel, and the floats 3 are positioned on both sides in the width direction. At the same time, the overall width is made approximately the same as the underdrain width, and the whole is assembled in a raft shape. 4 is an edge plate attached to one end of the raft in the longitudinal direction, 5 is a centrifugal defoamer body, and this centrifugal defoamer body 5 is attached to the upstream side surface of the edge plate 4 in the flow direction of warm waste water. It Further, 6 is a vertical electric motor mounted on the upper part of the centrifugal defoamer main body 5, and 7 is an exhaust pipe extending from the centrifugal defoamer main body 5 to the downstream side in the hot drainage flow direction. An impeller (not shown) is installed inside 5, and this impeller is driven by a vertical electric motor 6.

【0011】 次に前記図1、2、3に示す放水路の浮遊泡除去装置の作用を具体的に説明す る。図2に示すように暗渠と略同じ巾の筏(浮遊泡除去装置1)を暗渠と開渠と の境界部の暗渠側に挿入し、遠心式消泡機5〜7を開渠側に出して、この遠心式 消泡機5〜7の竪型電動機6及び羽根車を駆動する。このとき、暗渠の天井面に 沿って或る速度で温排水とともに流れてきた泡と、水面部の温排水とを、筏に組 み込んだ3次元網2の中に導き、下流側へ流して、流速略零の状態にまで減速す る一方、泡を遠心式消泡機本体5に達するまでの間に3次元網2の上に徐々に浮 上させて、遠心式消泡機本体5内の羽根車により、同遠心式消泡機本体5内へ吸 引し、同羽根車の遠心力により機械的に潰して、空気と海水とに分離し、分離し た空気を排気管7を経て遠心式消泡機本体5外へ排気し、分離した海水を温排水 の流れに戻す。Next, the operation of the floating bubble removing device for the water discharge channel shown in FIGS. 1, 2, and 3 will be specifically described. As shown in Fig. 2, insert a raft (floating bubble removal device 1) of approximately the same width as the underdrain into the underdrain side at the boundary between the underdrain and the open drain, and put out centrifugal defoamers 5-7 to the open drain side. Then, the vertical electric motor 6 and the impeller of the centrifugal defoamers 5 to 7 are driven. At this time, the bubbles flowing along with the hot drainage at a certain speed along the ceiling surface of the underdrain and the hot drainage of the water surface are guided into the three-dimensional net 2 incorporated in the raft and allowed to flow downstream. Then, while decelerating to a state where the flow velocity is almost zero, the bubbles are gradually floated on the three-dimensional net 2 until they reach the centrifugal defoamer body 5, and the centrifugal defoamer body 5 The centrifugal impeller inside the centrifugal defoamer main body 5 sucks it by the internal impeller, and mechanically crushes it by the centrifugal force of the centrifugal impeller to separate it into air and seawater, and separate the separated air through the exhaust pipe 7. After that, the air is discharged to the outside of the centrifugal defoamer body 5, and the separated seawater is returned to the flow of warm wastewater.

【0012】 このとき、棹状のフロート3により3次元網2を浮上、保持させるので、潮位 の変動による筏の高さ位置の調整を必要としない。At this time, since the three-dimensional net 2 is floated and held by the rod-shaped float 3, it is not necessary to adjust the height position of the raft due to the fluctuation of the tide level.

【0013】[0013]

【考案の効果】[Effect of the device]

本考案の放水路の浮遊泡除去装置は前記のように暗渠と略同じ巾の筏(浮遊泡 除去装置)を暗渠と開渠との境界部の暗渠側に挿入し、遠心式消泡機を開渠側に 出して、この遠心式消泡機を駆動する。このとき、暗渠の天井面に沿って或る速 度で温排水とともに流れてきた泡と、水面部の温排水とを、筏に組み込んだ3次 元網の中に導き、下流側へ流して、流速略零の状態にまで減速させる一方、泡を 遠心式消泡機に達するまでの間に3次元網の上に徐々に浮上させて、遠心式消泡 機内の羽根車により、消泡機内へ吸引し、羽根車の遠心力により機械的に潰して 、空気と海水とに分離し、分離した空気を排気管を経て遠心式消泡機本体外へ排 気し、分離した海水を温排水の流れに戻すので、放水路の水面上に浮遊する泡を 設備費及び運用費を嵩ませずに効果的に集泡及び消泡できる。 As described above, the floating foam removing apparatus of the present invention has a centrifugal type defoaming machine in which a raft (floating foam removing apparatus) having a width approximately the same as that of the underdrain is inserted into the underdrain side of the boundary between the underdrain and the open drain. Take it out to the open side and drive this centrifugal defoamer. At this time, the bubbles that flowed along with the hot drainage along the ceiling surface of the underdrain at a certain speed and the hot drainage of the water surface were guided into the tertiary mesh incorporated in the raft and allowed to flow downstream. While decelerating to a state where the flow velocity is almost zero, the bubbles are gradually levitated on the three-dimensional mesh until they reach the centrifugal defoaming machine, and the impeller inside the centrifugal defoaming machine allows The air is sucked in and mechanically crushed by the centrifugal force of the impeller to separate it into air and seawater. Since it returns to the flow of the above, it is possible to effectively collect and defoam bubbles floating on the water surface of the discharge channel without increasing the facility cost and operating cost.

【0014】 また棹状のフロートにより3次元網を浮上、保持させるので、潮位の変動によ る筏の高さ位置の調整を不要にできる。Further, since the three-dimensional net is floated and held by the rod-shaped float, it is not necessary to adjust the height position of the raft due to the fluctuation of the tide level.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案の放水路の浮遊泡除去装置の一実施例を
示す斜視図である。
FIG. 1 is a perspective view showing an embodiment of a device for removing floating bubbles in a discharge channel according to the present invention.

【図2】同浮遊泡除去装置の使用状態を示す縦断側面図
である。
FIG. 2 is a vertical sectional side view showing a usage state of the floating bubble removing apparatus.

【図3】同浮遊泡除去装置の使用状態を示す縦断正面図
である。
FIG. 3 is a vertical sectional front view showing a usage state of the floating bubble removing apparatus.

【符号の説明】[Explanation of symbols]

1 浮遊泡除去装置 2 3次元網 3 フロート 4 縁板 5 遠心式消泡機本体 6 遠心式消泡機の竪型電動機 7 遠心式消泡機の排気管 1 Floating bubble removing device 2 3 dimensional net 3 Float 4 Edge plate 5 Centrifugal defoamer body 6 Vertical electric motor of centrifugal defoamer 7 Exhaust pipe of centrifugal defoamer

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 プラスチツクまたは金属よりなる半剛性
の紐を糸瓜繊維状に且つ厚肉、帯状に組んで作成した3
次元網と、この3次元網を水面上に浮上、保持させる棹
状のフロートとを、交互に並列状態に並べて、巾方向両
側にフロートを位置させるとともに、全体の横巾を暗渠
巾と略同じにして、全体を筏状に組み付け、同筏の長手
方向一端部に縁板を取付けて、同縁板に遠心式消泡機を
取付けたことを特徴とする放水路の浮遊泡除去装置。
1. A semi-rigid string made of plastic or metal, which is made by arranging it in a fibrous fiber shape and in a thick and band shape.
The three-dimensional net and the rod-shaped float that floats and holds this three-dimensional net on the water surface are alternately arranged in parallel, the floats are positioned on both sides in the width direction, and the entire width is almost the same as the underdrain width. Then, the whole is assembled in a raft shape, an edge plate is attached to one end in the longitudinal direction of the raft, and a centrifugal defoaming machine is attached to the edge plate.
JP7044091U 1991-09-03 1991-09-03 Floating bubble removal device for discharge channel Withdrawn JPH0522092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7044091U JPH0522092U (en) 1991-09-03 1991-09-03 Floating bubble removal device for discharge channel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7044091U JPH0522092U (en) 1991-09-03 1991-09-03 Floating bubble removal device for discharge channel

Publications (1)

Publication Number Publication Date
JPH0522092U true JPH0522092U (en) 1993-03-23

Family

ID=13431557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7044091U Withdrawn JPH0522092U (en) 1991-09-03 1991-09-03 Floating bubble removal device for discharge channel

Country Status (1)

Country Link
JP (1) JPH0522092U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007090297A (en) * 2005-09-30 2007-04-12 Tokyo Electric Power Co Inc:The Defoaming apparatus
JP2012161710A (en) * 2011-02-03 2012-08-30 Penta Ocean Construction Co Ltd Defoaming device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007090297A (en) * 2005-09-30 2007-04-12 Tokyo Electric Power Co Inc:The Defoaming apparatus
JP4604947B2 (en) * 2005-09-30 2011-01-05 東京電力株式会社 Bubble eraser
JP2012161710A (en) * 2011-02-03 2012-08-30 Penta Ocean Construction Co Ltd Defoaming device

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