JP4628933B2 - Waste steam recovery device - Google Patents

Waste steam recovery device Download PDF

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JP4628933B2
JP4628933B2 JP2005329912A JP2005329912A JP4628933B2 JP 4628933 B2 JP4628933 B2 JP 4628933B2 JP 2005329912 A JP2005329912 A JP 2005329912A JP 2005329912 A JP2005329912 A JP 2005329912A JP 4628933 B2 JP4628933 B2 JP 4628933B2
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waste steam
liquid
pipe
cooling fluid
condensed
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JP2007139221A (en
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鎮麿 大石
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Tlv Co Ltd
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    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Description

本発明は、例えばシュリンクトンネルやスチーマーやゴムの加硫器等の各種蒸気使用装置から廃棄される廃蒸気を、熱交換して回収することにより、工場建屋の内部あるいは外部でモヤモヤと立ち込める廃蒸気を無くすことのできる廃蒸気回収装置に関する。   The present invention is, for example, waste steam discarded from various steam-using devices such as shrink tunnels, steamers, rubber vulcanizers, etc., and is recovered by exchanging heat so that it can be trapped inside and outside the factory building. It is related with the waste steam recovery device which can eliminate.

廃蒸気回収装置は、蒸気使用装置としてのシュリンクトンネルと、エゼクターと液体タンクと循環ポンプで構成された真空吸引手段とを、廃蒸気回収パイプで接続したもので、シュリンクトンネルからの廃蒸気を真空吸引手段で吸引することによって、モヤモヤと立ち込める廃蒸気を無くすことができるものである。   The waste steam recovery unit is a shrink tunnel that uses steam, and vacuum suction means that consists of an ejector, a liquid tank, and a circulation pump connected by a waste steam recovery pipe. By sucking with the sucking means, it is possible to eliminate waste steam that can get trapped.

この廃蒸気回収装置においては、大量の廃蒸気を吸引するために、真空吸引手段を構成する循環ポンプの容量を大きなものとしなければならず、装置自身のコストが上昇すると共に、循環ポンプの駆動にも多くの電力を要するためにランニングコストも上昇してしまう問題点があった。
特開２００２−５５８２号公報 In this waste steam recovery device, in order to suck a large amount of waste steam, the capacity of the circulation pump constituting the vacuum suction means must be increased, which increases the cost of the device itself and drives the circulation pump. In addition, since a lot of electric power is required, there is a problem that the running cost increases.
Japanese Patent Laid-Open No. 2002-5582

解決しようとする課題は、モヤモヤと廃蒸気が立ち昇ることが無い安価な廃蒸気回収装置を提供することである。   The problem to be solved is to provide an inexpensive waste steam recovery device in which moyamoya and waste steam do not rise.

本発明は、蒸気使用装置から流下してくる廃蒸気を所定箇所へ排出するものにおいて、廃蒸気通路内部に冷却流体を噴射する冷却流体噴射部材を取り付け、当該冷却流体噴射部材を、廃蒸気通路とほぼ同径のパイプの外周に取り付けて、上部に冷却流体供給管を接続することで、冷却流体噴射部材からパイプ内へ冷却流体が噴射され、廃蒸気通路内を流下してくる廃蒸気を凝縮させて凝縮水とすることができるものであり、且つ、上記パイプの下部に管路を接続して液体圧送部材の液体流入口と接続して、当該冷却流体と廃蒸気が凝縮した凝縮水とを、圧送流体によって所定箇所まで圧送すると共に、上記パイプに連通管を接続して、その端部を廃蒸気熱交換器と接続することで、上記パイプ内で凝縮しきれなかった一部の廃蒸気が廃蒸気熱交換器へ吸引されるものであり、廃蒸気熱交換器の下部内周に液溜め部を形成して、当該液溜め部に溜まった液体を液体圧送部材内へ流下させるものである。 The present invention discharges waste steam flowing down from a steam using device to a predetermined location, and attaches a cooling fluid injection member for injecting a cooling fluid into the waste steam passage, and the cooling fluid injection member is attached to the waste steam passage. The cooling fluid is injected from the cooling fluid injection member into the pipe, and the waste steam flowing down in the waste steam passage is Condensed water that can be condensed to be condensed water, and that is connected to the liquid inlet of the liquid pumping member by connecting a pipe line to the lower part of the pipe and condensed with the cooling fluid and waste steam. the door both when you pumped up to a predetermined position by pumping a fluid, by connecting a communication tube to the pipe, by connecting the ends with the waste steam heat exchanger, has not been condensed in the pipe one Waste steam is waste steam heat Is intended to be sucked into the exchanger, to form a liquid reservoir portion in the lower inner periphery of the waste steam heat exchanger, it is intended to flow down the accumulated liquid to the liquid reservoir into the liquid pumping member.

本発明の廃蒸気回収装置は、廃蒸気通路に冷却流体噴射部材を取り付けて、廃蒸気に冷却流体を噴射することによって、廃蒸気を凝縮させてモヤモヤと立ち昇ることを防止することができると共に、廃蒸気の凝縮水と残余の冷却流体を、電力を使用することなく液体圧送部材によって所定の箇所まで圧送することができ、安価な廃蒸気回収装置とすることができる。また、廃蒸気通路の端部を廃蒸気熱交換器と接続したことによって、より確実に全ての廃蒸気を凝縮させることができる。   The waste steam recovery apparatus according to the present invention can prevent the waste steam from condensing and rising up by being fitted with a cooling fluid injection member in the waste steam passage and injecting the cooling fluid into the waste steam. The condensed water of the waste steam and the remaining cooling fluid can be pumped to a predetermined location by the liquid pumping member without using electric power, and an inexpensive waste steam recovery device can be obtained. Further, by connecting the end portion of the waste steam passage to the waste steam heat exchanger, all the waste steam can be more reliably condensed.

本発明は、冷却流体と凝縮水との液体を、圧送流体によって所定箇所まで圧送する液体圧送部材を用いるものであるが、液体圧送部材としては、液体を溜め置く容器に所定量の液体が溜まると高圧の圧縮空気などの圧送流体を供給することによって、溜まった液体を所定箇所まで圧送するものが適する。   The present invention uses a liquid pumping member that pumps the liquid of the cooling fluid and the condensed water to a predetermined position by the pumping fluid. As the liquid pumping member, a predetermined amount of liquid is stored in a container for storing the liquid. And a pumping fluid such as high-pressure compressed air is preferably used to pump the accumulated liquid to a predetermined location.

本実施例においては図１に示すように、廃蒸気通路１と、この廃蒸気通路１と接続した２つの冷却流体噴射部材２，３と、液体圧送部材４、及び、廃蒸気熱交換器１１とで廃蒸気回収装置を構成する。   In this embodiment, as shown in FIG. 1, the waste steam passage 1, the two cooling fluid injection members 2 and 3 connected to the waste steam passage 1, the liquid pumping member 4, and the waste steam heat exchanger 11. And constitute a waste steam recovery device.

廃蒸気通路１の左端は図示しない蒸気使用装置と接続する。冷却流体噴射部材２，３は、廃蒸気通路１とほぼ同径のパイプ５，６の外周に取り付けて、上部に冷却流体供給管７を接続する。この冷却流体噴射部材２，３からパイプ５，６内へ冷却流体例えば冷却水が噴射されることによって、廃蒸気通路１内を流下してくる廃蒸気を凝縮させて凝縮水とすることができるものである。   The left end of the waste steam passage 1 is connected to a steam using device (not shown). The cooling fluid injection members 2 and 3 are attached to the outer periphery of pipes 5 and 6 having substantially the same diameter as the waste steam passage 1, and the cooling fluid supply pipe 7 is connected to the upper part. The cooling fluid, for example, cooling water, is injected from the cooling fluid injection members 2 and 3 into the pipes 5 and 6, whereby the waste steam flowing down in the waste steam passage 1 can be condensed to be condensed water. Is.

パイプ６の右側には連通管８を接続して、その端部を後述する廃蒸気熱交換器１１の上部と接続する。パイプ５，６内で凝縮しきれなかった一部の廃蒸気は廃蒸気熱交換器１１へ吸引される。  A communication pipe 8 is connected to the right side of the pipe 6 and its end is connected to the upper part of a waste steam heat exchanger 11 described later. Part of the waste steam that could not be condensed in the pipes 5 and 6 is sucked into the waste steam heat exchanger 11.

廃蒸気熱交換器１１は円筒状容器で形成し、中心部に廃蒸気熱交換器１１よりも小径の円筒パイプ２２を下端に隙間２３を設けて取り付ける。円筒パイプ２２の下部に円筒パイプ２２よりも更に小径の液体排出管２４を取り付ける。液体排出管２４はパイプ２５によって液体圧送部材４の液体流入口１２と接続する。   The waste steam heat exchanger 11 is formed of a cylindrical container, and a cylindrical pipe 22 having a smaller diameter than that of the waste steam heat exchanger 11 is attached to the center of the waste steam heat exchanger 11 with a gap 23 provided at the lower end. A liquid discharge pipe 24 having a smaller diameter than that of the cylindrical pipe 22 is attached to the lower portion of the cylindrical pipe 22. The liquid discharge pipe 24 is connected to the liquid inlet 12 of the liquid pumping member 4 by a pipe 25.

液体排出管２４の上端は円筒パイプ２２の下端よりも所定長さだけ上部に位置するように取り付ける。液体排出管２４の外周と円筒パイプ２２の内外周及び廃蒸気熱交換器１１の下部内周とで液溜め部２６を形成する。円筒パイプ２２の上端にはバルブ２７と管路２８を取り付けて、バルブ２７を開弁することによって大気と連通できるようにする。   The liquid discharge pipe 24 is attached so that the upper end of the liquid discharge pipe 24 is positioned above the lower end of the cylindrical pipe 22 by a predetermined length. A liquid reservoir 26 is formed by the outer periphery of the liquid discharge pipe 24, the inner and outer periphery of the cylindrical pipe 22, and the lower inner periphery of the waste steam heat exchanger 11. A valve 27 and a conduit 28 are attached to the upper end of the cylindrical pipe 22, and the valve 27 is opened so that it can communicate with the atmosphere.

廃蒸気熱交換器１１の内部上方に熱交換用の冷却管２９を取り付ける。冷却管２９は円筒パイプ２２の外周を螺旋状に取り巻いたもので、冷却流体供給管３０から冷却流体を供給して、廃蒸気熱交換器１１内の蒸気を冷却して凝縮水にする。   A cooling pipe 29 for heat exchange is attached above the interior of the waste steam heat exchanger 11. The cooling pipe 29 spirally surrounds the outer periphery of the cylindrical pipe 22 and supplies a cooling fluid from the cooling fluid supply pipe 30 to cool the steam in the waste steam heat exchanger 11 to condensate.

パイプ５，６内で凝縮しきれなかった一部の廃蒸気は廃蒸気熱交換器１１へ流下し、冷却管２９によって冷却され凝縮することにより、その体積が急激に減少して廃蒸気熱交換器１１内は大気圧以下の減圧状態となり、パイプ５，６の残存廃蒸気を吸引することができる。液溜め部２６に溜まった液体は、パイプ２５から液体圧送部材４内へ流下する。   Part of the waste steam that could not be condensed in the pipes 5 and 6 flows down to the waste steam heat exchanger 11 and is cooled and condensed by the cooling pipe 29, so that its volume is rapidly reduced and waste steam heat exchange is performed. The inside of the vessel 11 is in a depressurized state below the atmospheric pressure, and the remaining waste steam of the pipes 5 and 6 can be sucked. The liquid accumulated in the liquid reservoir 26 flows down from the pipe 25 into the liquid pumping member 4.

パイプ５，６の下部に管路９，１０を接続して液体圧送部材４の液体流入口１２と接続する。パイプ５，６内で凝縮した廃蒸気の凝縮水と冷却流体が、管路９，１０，１３から吸引口１２へ流下する。   Pipe lines 9 and 10 are connected to the lower portions of the pipes 5 and 6 to connect to the liquid inlet 12 of the liquid pumping member 4. Condensed water of the waste steam condensed in the pipes 5 and 6 and the cooling fluid flow down from the pipes 9, 10 and 13 to the suction port 12.

液体流入口１２の入口側に２つの逆止弁１４，３１を取り付ける。これらの逆止弁１４，３１は、液体圧送部材４側への流体の通過を許容し、逆方向の流体の通過は許容しないものである。  Two check valves 14 and 31 are attached to the inlet side of the liquid inlet 12. These check valves 14 and 31 allow passage of fluid to the liquid pressure feeding member 4 side, but do not allow passage of fluid in the reverse direction.

液体圧送部材４の液体圧送口１５にも逆止弁１６を介して液体圧送管路１７を接続する。この逆止弁１６は液体圧送部材４から液体圧送管路１７側へのみ流体を通過させるものである。  A liquid pressure feed line 17 is also connected to the liquid pressure feed port 15 of the liquid pressure feed member 4 via a check valve 16. This check valve 16 allows the fluid to pass only from the liquid pumping member 4 to the liquid pumping line 17 side.

液体圧送部材４の上部に、圧送流体としての圧縮空気供給管１８と接続した高圧空気導入口１９を設ける。高圧空気導入口１９の右側方に高圧空気の排出口２０を設ける。排出口２０には高圧空気の排出管２１を接続する。  A high-pressure air introduction port 19 connected to a compressed air supply pipe 18 as a pressure-feeding fluid is provided on the liquid pressure-feeding member 4. A high-pressure air outlet 20 is provided on the right side of the high-pressure air inlet 19. A high pressure air discharge pipe 21 is connected to the discharge port 20.

液体圧送部材４は、内部に配置した図示しないフロートが下方部に位置する場合に、高圧空気の導入口１９が閉口され、一方、排出口２０が開口されて、パイプ５，６内で凝縮した廃蒸気の凝縮水と冷却流体が、管路１３と逆止弁１４を通って液体圧送部材４内へ流下する。また、廃蒸気熱交換器１１の液溜め部２６に溜まった液体もパイプ２５と逆止弁３１，１４から液体圧送部材４内へ流下する。  When the float (not shown) disposed inside is located in the lower part, the liquid pressure feeding member 4 is closed in the inlet 19 for high-pressure air, while the outlet 20 is opened and condensed in the pipes 5 and 6. Waste water condensate and cooling fluid flow down into the liquid pumping member 4 through the conduit 13 and the check valve 14. Further, the liquid accumulated in the liquid reservoir 26 of the waste steam heat exchanger 11 also flows down into the liquid pumping member 4 from the pipe 25 and the check valves 31 and 14.

液体圧送部材４内に液体が溜まって図示しないフロートが所定の上方部に位置すると、排出口２０が閉口され、一方、高圧空気の導入口１９が開口されて、圧縮空気供給管１８から高圧空気が液体圧送部材４内に流入し、内部に溜まった液体を圧送口１５と逆止弁１６及び液体圧送管路１７を経て液体圧送先へ圧送するものである。   When liquid accumulates in the liquid pressure feeding member 4 and a float (not shown) is positioned at a predetermined upper portion, the discharge port 20 is closed, while the high pressure air introduction port 19 is opened, and the high pressure air is supplied from the compressed air supply pipe 18. Flows into the liquid pumping member 4, and the liquid accumulated inside is pumped to the liquid pumping destination via the pumping port 15, the check valve 16 and the liquid pumping line 17.

液体が圧送されて液体圧送部材４内の液位が低下すると、再度、高圧空気の導入口１９が閉口され、排出口２０が開口されることにより、液体流入口１２から液体が圧送部材４内へ流下してくる。このような作動サイクルを繰り返すことにより、液体圧送部材４は、パイプ５，６内で凝縮した廃蒸気の凝縮水と冷却流体及び廃蒸気熱交換器１１の液体を圧送するものである。   When the liquid is pumped and the liquid level in the liquid pumping member 4 is lowered, the high pressure air introduction port 19 is closed again and the discharge port 20 is opened, so that the liquid flows from the liquid inlet 12 into the pumping member 4. It flows down to. By repeating such an operation cycle, the liquid pumping member 4 pumps the condensed water of the waste steam condensed in the pipes 5 and 6, the cooling fluid, and the liquid of the waste steam heat exchanger 11.

上記のように本発明は、冷却流体噴射部材２，３と液体圧送部材４、及び、廃蒸気熱交換器１１とを具備することにより、モヤモヤと立ち昇る廃蒸気を無くすことができると共に、大型の循環ポンプが不要となり、廃蒸気回収装置を安価なものとすることができる。   As described above, the present invention includes the cooling fluid ejecting members 2 and 3, the liquid pumping member 4, and the waste steam heat exchanger 11, thereby eliminating the waste steam rising from the mist and large size. This eliminates the need for the circulation pump, and makes it possible to reduce the cost of the waste steam recovery device.

本発明の廃蒸気回収装置の実施例を示す構成図。The block diagram which shows the Example of the waste steam recovery apparatus of this invention.

符号の説明Explanation of symbols

１ 廃蒸気通路
２，３ 冷却流体噴射部材
４ 液体圧送部材
５，６ パイプ
７ 冷却流体供給管
８ 連通管
１１ 廃蒸気熱交換器
１２ 液体流入口
１４ 逆止弁
１５ 液体圧送口
１６ 逆止弁
１８ 圧縮空気供給管
２９ 冷却管
DESCRIPTION OF SYMBOLS 1 Waste steam path 2, 3 Cooling fluid injection member 4 Liquid pressure feeding member 5, 6 Pipe 7 Cooling fluid supply pipe 8 Communication pipe 11 Waste steam heat exchanger 12 Liquid inflow port 14 Check valve 15 Liquid pressure feeding port 16 Check valve 18 Compressed air supply pipe 29 Cooling pipe

Claims (1)

蒸気使用装置から流下してくる廃蒸気を所定箇所へ排出するものにおいて、廃蒸気通路内部に冷却流体を噴射する冷却流体噴射部材を取り付け、当該冷却流体噴射部材を、廃蒸気通路とほぼ同径のパイプの外周に取り付けて、上部に冷却流体供給管を接続することで、冷却流体噴射部材からパイプ内へ冷却流体が噴射され、廃蒸気通路内を流下してくる廃蒸気を凝縮させて凝縮水とすることができるものであり、且つ、上記パイプの下部に管路を接続して液体圧送部材の液体流入口と接続して、当該冷却流体と廃蒸気が凝縮した凝縮水とを、圧送流体によって所定箇所まで圧送すると共に、上記パイプに連通管を接続して、その端部を廃蒸気熱交換器と接続することで、上記パイプ内で凝縮しきれなかった一部の廃蒸気が廃蒸気熱交換器へ吸引されるものであり、廃蒸気熱交換器の下部内周に液溜め部を形成して、当該液溜め部に溜まった液体を液体圧送部材内へ流下させることを特徴とする廃蒸気回収装置。 In the case of discharging waste steam flowing down from the steam using device to a predetermined location, a cooling fluid injection member for injecting a cooling fluid is attached to the inside of the waste steam passage, and the cooling fluid injection member is approximately the same diameter as the waste steam passage. By attaching the cooling fluid supply pipe to the upper part of the pipe and connecting the cooling fluid supply pipe to the upper part, the cooling fluid is injected into the pipe from the cooling fluid injection member, and the waste steam flowing down in the waste steam passage is condensed and condensed. Water can be used, and a pipe line is connected to the lower part of the pipe and connected to the liquid inlet of the liquid pumping member, so that the cooling fluid and condensed water condensed with waste steam are pumped. both If you pumped up to a predetermined position by the fluid, by connecting a communication tube to the pipe, by connecting the ends with the waste steam heat exchanger, a portion of the waste steam which can not be condensed in the pipe Sucks into waste steam heat exchanger Is the is intended, to form a liquid reservoir portion in the lower inner periphery of the waste steam heat exchanger, the waste vapor recovery device for causing to flow down accumulated liquid in the liquid reservoir into the liquid pumping member.
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US10195561B2 (en) 2012-09-20 2019-02-05 Mitsubishi Heavy Industries Engineering, Ltd. Steam supply system and CO2 recovery unit including the same
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