JP5384236B2 - Evaporative cooling device - Google Patents

Evaporative cooling device Download PDF

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JP5384236B2
JP5384236B2 JP2009167873A JP2009167873A JP5384236B2 JP 5384236 B2 JP5384236 B2 JP 5384236B2 JP 2009167873 A JP2009167873 A JP 2009167873A JP 2009167873 A JP2009167873 A JP 2009167873A JP 5384236 B2 JP5384236 B2 JP 5384236B2
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heat exchange
cooling water
supply pipe
exchange surface
steam
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JP2011021832A (en
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高之 森井
匡章 隈元
良樹 中西
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Tlv Co Ltd
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本発明は、熱交換容器の内部を減圧状態にして、供給される冷却水で被熱交換物を冷却する気化冷却装置に関する。  The present invention relates to a vaporization cooling apparatus that cools an object to be heat-exchanged with cooling water supplied by reducing the inside of a heat exchange container.

従来の気化冷却装置は、冷却水注入ノズルに電動モータを接続して、この電動モータにより冷却水注入ノズル回転させることによって、数少ない冷却水注入ノズルでもって、より広い面積の被冷却物に冷却水を注入することができるものである。 In the conventional evaporative cooling device, an electric motor is connected to the cooling water injection nozzle, and the cooling water injection nozzle is rotated by the electric motor, so that the cooling water can be supplied to an object to be cooled with a small number of cooling water injection nozzles. Can be injected.

上記従来の気化冷却装置では、熱交換容器の熱交換面が水平状である場合に、供給した冷却水が熱交換面から瞬時に滴下してしまい、気化冷却を効率良く実施することができない問題があった。 In the above conventional evaporative cooling device, when the heat exchange surface of the heat exchange container is horizontal, the supplied cooling water drops instantaneously from the heat exchange surface, and evaporative cooling cannot be performed efficiently. was there.

特開平７−２０８８４７号公報JP-A-7-208847

解決しようとする問題点は、熱交換容器の熱交換面が水平状の場合であっても、効率良く気化冷却を行うことのできる気化冷却装置を得ることである。   The problem to be solved is to obtain an evaporative cooling device that can efficiently perform evaporative cooling even when the heat exchange surface of the heat exchange vessel is horizontal.

本発明は、熱交換容器へ弁を介して冷却水を供給すると共に、熱交換容器の内部を減圧状態に維持する吸引手段を接続して、熱交換容器の被熱交換物を冷却するものにおいて、水平状の熱交換面の被熱交換物に向けて、熱交換容器の内周壁の接線方向へ冷却水を供給すると共に、冷却水供給管に冷却水循環弁を取り付けて、冷却水の一部を絶えず循環するものである。  The present invention supplies cooling water to a heat exchange container through a valve and connects a suction means for maintaining the inside of the heat exchange container in a reduced pressure state to cool a heat exchange object in the heat exchange container. In addition to supplying cooling water toward the tangential direction of the inner peripheral wall of the heat exchange container toward the heat exchange object on the horizontal heat exchange surface, a cooling water circulation valve is attached to the cooling water supply pipe, and a part of the cooling water is It circulates continuously.

本発明は、水平状の熱交換面の被熱交換物に向けて、熱交換容器の内周壁の接線方向へ冷却水を供給することにより、熱交換面に供給された冷却水が、熱交換面から滴下しにくくなり、すなわち、より長時間にわたって熱交換面にとどまることによって、水平状の熱交換面で確実に冷却することができる。また、熱交換面のより広い面積にわたって冷却水を供給することができる。   The present invention supplies cooling water in a tangential direction of the inner peripheral wall of the heat exchange container toward the heat exchange object on the horizontal heat exchange surface, so that the cooling water supplied to the heat exchange surface It becomes difficult to drop from the surface, that is, by staying on the heat exchange surface for a longer time, it is possible to reliably cool the horizontal heat exchange surface. Further, the cooling water can be supplied over a wider area of the heat exchange surface.

本発明に係る気化冷却装置の実施例を示す構成図である。It is a block diagram which shows the Example of the vaporization cooling device which concerns on this invention.

本発明は、水平状の熱交換面に向けて、熱交換容器の内周壁の接線方向へ冷却水を供給するものであるが、その供給口は、1個に限ることなく、特に、熱交換面の面積が大きくなると、多数の供給口から冷却水を供給することもできる。 The present invention supplies cooling water in the tangential direction of the inner peripheral wall of the heat exchange container toward the horizontal heat exchange surface, but the supply port is not limited to one, and in particular heat exchange When the surface area is increased, the cooling water can be supplied from a large number of supply ports.

図１において、円筒状で平板状の熱交換容器１と、この熱交換容器１の上端面に水平状に形成した熱交換面２と、熱交換容器１の下方に連通した吸引手段６とで気化冷却装置を構成する。なお、本実施例においては、気化冷却のみならず、加熱用の蒸気を蒸気供給管３から熱交換容器１へ供給することで、熱交換面２を加熱することもできる例を示す。   In FIG. 1, a cylindrical and flat plate heat exchange vessel 1, a heat exchange surface 2 formed horizontally on the upper end surface of the heat exchange vessel 1, and a suction means 6 communicating below the heat exchange vessel 1. The evaporative cooling device is configured. In this embodiment, an example is shown in which the heat exchange surface 2 can be heated not only by evaporative cooling but also by supplying steam for heating from the steam supply pipe 3 to the heat exchange vessel 1.

蒸気供給管３には、熱交換容器１へ供給する蒸気の量を制御するための制御弁７を取り付ける。蒸気供給管３から熱交換容器１へ供給された加熱用の蒸気によって、熱交換面２を加熱するものである。 A control valve 7 for controlling the amount of steam supplied to the heat exchange container 1 is attached to the steam supply pipe 3. The heat exchange surface 2 is heated by the heating steam supplied from the steam supply pipe 3 to the heat exchange container 1.

熱交換容器１に冷却水を供給する冷却水供給管５を接続する。冷却水供給管５の下端は吸引手段６の一部と接続する。冷却水供給管５には、水エゼクタ１１と自動弁１２を介在して、熱交換容器１の側面の供給口２４，２５と接続する。自動弁１２が開弁することにより、供給口２４，２５から熱交換面２へ冷却水が噴射されるものである。 A cooling water supply pipe 5 for supplying cooling water to the heat exchange vessel 1 is connected. The lower end of the cooling water supply pipe 5 is connected to a part of the suction means 6. The cooling water supply pipe 5 is connected to supply ports 24 and 25 on the side surface of the heat exchange vessel 1 through a water ejector 11 and an automatic valve 12. When the automatic valve 12 is opened, cooling water is jetted from the supply ports 24 and 25 to the heat exchange surface 2.

熱交換容器１の側面の円筒部に取り付けた供給口２４，２５は、矢印で示す上面の熱交換面２の方向へ冷却水を供給すると共に、熱交換容器１の円筒部の内周壁の接線方向へ冷却水を供給するものである。 The supply ports 24 and 25 attached to the cylindrical portion on the side surface of the heat exchange vessel 1 supply cooling water in the direction of the heat exchange surface 2 on the upper surface indicated by an arrow and tangent to the inner peripheral wall of the cylindrical portion of the heat exchange vessel 1. The cooling water is supplied in the direction.

冷却水供給管５に取り付けた水エゼクタ１１の吸込室には蒸気供給管１６を接続する。水エゼクタ１１内を流下する冷却水に、蒸気供給管１６から加熱用の蒸気を供給することで、熱交換容器１へ供給する冷却水の温度を調節することができるものである。 A steam supply pipe 16 is connected to the suction chamber of the water ejector 11 attached to the cooling water supply pipe 5. By supplying the heating steam from the steam supply pipe 16 to the cooling water flowing down in the water ejector 11, the temperature of the cooling water supplied to the heat exchange container 1 can be adjusted.

冷却水供給管５に取り付けた自動弁１２と並列に、冷却水循環弁１８を取り付ける。冷却水循環弁１８は、常時、微少開弁しておき、自動弁１２が閉弁しても、少しの冷却水を熱交換容器１内へ供給して、冷却水の一部を絶えず循環するものである。 A cooling water circulation valve 18 is attached in parallel with the automatic valve 12 attached to the cooling water supply pipe 5. The cooling water circulation valve 18 is always opened slightly, and even if the automatic valve 12 is closed, a small amount of cooling water is supplied into the heat exchange container 1 to circulate a part of the cooling water continuously. It is.

熱交換容器１の下端から管路８によりスチームトラップ４の入口側と接続する。スチームトラップ４と並列に開閉弁９を取り付ける。スチームトラップ４と開閉弁９の出口側は、吸引手段６を構成する液体エゼクタ１３の吸込室１０と接続する。 The lower end of the heat exchange vessel 1 is connected to the inlet side of the steam trap 4 by a pipe line 8. An on-off valve 9 is attached in parallel with the steam trap 4. The outlet side of the steam trap 4 and the on-off valve 9 is connected to the suction chamber 10 of the liquid ejector 13 constituting the suction means 6.

吸引手段６を、液体エゼクタ１３と冷却水タンク１４と循環ポンプ１５とで構成する。循環ポンプ１５の駆動によって、冷却水タンク１４内の冷却水を液体エゼクタ１３へ供給して吸込室１０で所定の吸引力を発生すると共に、冷却水供給管５から熱交換容器１へ冷却水を供給するものである。 The suction means 6 includes a liquid ejector 13, a cooling water tank 14, and a circulation pump 15. By driving the circulation pump 15, the cooling water in the cooling water tank 14 is supplied to the liquid ejector 13 to generate a predetermined suction force in the suction chamber 10, and the cooling water is supplied from the cooling water supply pipe 5 to the heat exchange container 1. To supply.

冷却水タンク１４の上部に、冷却水補給管３０を接続すると共に、循環ポンプ１５の吐出側の管路を分岐して余剰水排出管１７を接続する。 A cooling water supply pipe 30 is connected to the upper part of the cooling water tank 14, and a pipe on the discharge side of the circulation pump 15 is branched to connect an excess water discharge pipe 17.

熱交換面２を加熱する場合は、蒸気供給管３と制御弁７から熱交換容器１内へ所定量の蒸気を供給することによって、蒸気によって加熱される。加熱により蒸気の凝縮した復水は、熱交換容器１下端の管路８からスチームトラップ４を通り、更に、液体エゼクタ１３から冷却水タンク１４へと至る。   When heating the heat exchange surface 2, the heat exchange surface 2 is heated by steam by supplying a predetermined amount of steam from the steam supply pipe 3 and the control valve 7 into the heat exchange container 1. Condensate condensed with steam by heating passes from the pipe line 8 at the lower end of the heat exchange vessel 1 through the steam trap 4 and further from the liquid ejector 13 to the cooling water tank 14.

熱交換面２を冷却する場合は、冷却水供給管５の自動弁２７を開弁して供給口２４，２５から熱交換面２の下表面に、且つ、内周壁の接線方向へ所定量の冷却水を供給することによって、熱交換面２の下面の冷却水が瞬時に滴下することがなく、熱交換面２の熱により冷却水が蒸発気化して、その蒸発線熱でもって冷却することで、冷却効率を向上することができる。   When the heat exchange surface 2 is cooled, the automatic valve 27 of the cooling water supply pipe 5 is opened, and a predetermined amount of water is supplied from the supply ports 24 and 25 to the lower surface of the heat exchange surface 2 and in the tangential direction of the inner peripheral wall. By supplying the cooling water, the cooling water on the lower surface of the heat exchange surface 2 is not dripped instantaneously, but the cooling water evaporates by the heat of the heat exchange surface 2 and is cooled with the heat of the evaporation line. Thus, the cooling efficiency can be improved.

間接的な気化冷却を行うさまざまな気化冷却装置として適用できる。   It can be applied as various evaporative cooling devices that perform indirect evaporative cooling.

１ 熱交換容器
２ 熱交換面
５ 冷却水供給管
６ 吸引手段
１０ 吸込室
１１ 水エゼクタ
１２ 自動弁
１３ 液体エゼクタ
１４ 冷却水タンク
１５ 循環ポンプ
１８ 冷却水循環弁
２４，２５ 供給口
DESCRIPTION OF SYMBOLS 1 Heat exchange container 2 Heat exchange surface 5 Cooling water supply pipe 6 Suction means 10 Suction chamber 11 Water ejector 12 Automatic valve 13 Liquid ejector 14 Cooling water tank 15 Circulation pump 18 Cooling water circulation valve 24, 25 Supply port

Claims (1)

熱交換容器へ弁を介して冷却水を供給すると共に、前記熱交換容器の内部を減圧状態に維持する吸引手段を接続して、前記熱交換容器の熱交換面を冷却するものにおいて、
前記熱交換容器は、その側面が円筒状をなす円筒部で形成されるとともに、その上端面が水平状をなす前記熱交換面で形成されており、
前記円筒部の内部に設けられた供給口から、水平状の前記熱交換面の下表面に向けて、前記円筒部の内周壁の接線方向へ冷却水を噴射し、
前記冷却水が、冷却水供給管に取り付けられた冷却水循環弁を介して循環することを特徴とする気化冷却装置。 Supplies cooling water through the valve to the heat exchanger vessel, and connected to a suction means for maintaining the interior of the heat exchanger vessel in a reduced pressure state, in which to cool the heat exchange surface of the heat exchanger vessel,
The heat exchange container is formed of a cylindrical portion whose side surface is cylindrical, and its upper end surface is formed of the heat exchange surface having a horizontal shape,
From a supply port provided in the interior of the cylindrical portion, toward the lower surface of the horizontal shape of the heat exchange surface, injecting cooling water into the tangential direction of the inner peripheral wall of the cylindrical portion,
The evaporative cooling device , wherein the cooling water circulates through a cooling water circulation valve attached to a cooling water supply pipe.
JP2009167873A 2009-07-16 2009-07-16 Evaporative cooling device Expired - Fee Related JP5384236B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024478A1 (en) * 2014-08-11 2016-02-18 株式会社テイエルブイ Cooling device

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* Cited by examiner, † Cited by third party
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JPS6369502A (en) * 1986-09-09 1988-03-29 Kurita Water Ind Ltd Extractor
JPH0728559Y2 (en) * 1989-12-22 1995-06-28 動力炉・核燃料開発事業団 Downflow nozzle of melting furnace
JP2797906B2 (en) * 1993-06-28 1998-09-17 三菱自動車工業株式会社 Work cooling device
JP3486368B2 (en) * 1999-04-20 2004-01-13 有限会社ヰゲタ金属 Beverage server
JP2001009315A (en) * 1999-06-24 2001-01-16 Sanwa Marine Ltd Pulverizer for microbe in liquid
JP4202552B2 (en) * 1999-09-16 2008-12-24 株式会社テイエルブイ Evaporative cooling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024478A1 (en) * 2014-08-11 2016-02-18 株式会社テイエルブイ Cooling device
JP5989932B2 (en) * 2014-08-11 2016-09-07 株式会社テイエルブイ Cooling system

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