JP5426974B2 - Steam heating device - Google Patents

Steam heating device Download PDF

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JP5426974B2
JP5426974B2 JP2009213179A JP2009213179A JP5426974B2 JP 5426974 B2 JP5426974 B2 JP 5426974B2 JP 2009213179 A JP2009213179 A JP 2009213179A JP 2009213179 A JP2009213179 A JP 2009213179A JP 5426974 B2 JP5426974 B2 JP 5426974B2
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heat exchange
steam
vessel
cooling water
supply pipe
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JP2011062598A (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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Tlv Co Ltd
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Description

本発明は、熱交換容器の内部を減圧状態にして、被熱交換物を加熱する蒸気加熱装置に関する。  The present invention relates to a steam heating apparatus that heats an object to be heat-exchanged by reducing the pressure inside the heat exchange container.

従来の蒸気加熱装置は、反応釜の加熱及び冷却用流体室に加熱用蒸気と、ポンプ装置の吐出水の一部とを切り換え供給できるように供給路と弁手段を設けたもので、加熱から冷却あるいは冷却から加熱への切換え時に、温度変化をなだらかなものとすることができるものである。 The conventional steam heating device is provided with a supply path and valve means so that heating steam and a part of the discharged water of the pump device can be switched and supplied to the heating and cooling fluid chamber of the reaction kettle. The temperature change can be made gentle at the time of cooling or switching from cooling to heating.

上記従来の蒸気加熱装置では、熱交換容器の熱交換面に蒸気による加熱温度ムラを発生する問題、特に、熱交換容器の熱交換面が水平状である場合に、加熱温度ムラを発生してしまう問題があった。 In the conventional steam heating device described above, there is a problem that the heating temperature unevenness due to the steam is generated on the heat exchange surface of the heat exchange container, particularly when the heat exchange surface of the heat exchange container is horizontal, the heating temperature unevenness is generated. There was a problem.

特開平1−315336号公報JP-A-1-315336

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、蒸気による加熱温度ムラを発生することのない蒸気加熱装置を得ることである。   The problem to be solved is to obtain a steam heating device that does not cause uneven heating temperature due to steam even when the heat exchange surface of the heat exchange container is horizontal.

本発明は、熱交換容器へ弁を介して加熱用の流体を供給する加熱流体供給管を接続すると共に、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加熱するものにおいて、加熱用の流体を蒸気とすると共に、熱交換容器を平板状として、この平板状熱交換容器の上端面に水平状に熱交換面を形成し、加熱流体供給管の複数の熱交換容器側端部を、水平状の熱交換面とは反対側に開口して、複数の熱交換容器側端部と熱交換面との間に、多数の貫通孔を有する多孔質部材を取り付けたものである。  The present invention connects a heating fluid supply pipe for supplying a heating fluid to a heat exchange container through a valve, and also connects a suction means for maintaining the inside of the heat exchange container in a reduced pressure state. In what heats the heat exchange object, the heating fluid is steam, the heat exchange vessel is a flat plate, a heat exchange surface is horizontally formed on the upper end surface of the flat plate heat exchange vessel, and the heating fluid Open a plurality of heat exchange vessel side ends of the supply pipe on the side opposite to the horizontal heat exchange surface, and provide a number of through holes between the plurality of heat exchange vessel side ends and the heat exchange surface. The porous member which has is attached.

本発明は、熱交換容器を平板状として、加熱流体供給管の複数の熱交換容器側端部を、水平状の熱交換面とは反対側に開口したことにより、加熱流体供給管から熱交換容器へ供給される蒸気は、平板状の熱交換容器の底面に向けて供給され、この底面に一旦衝突した後に、熱交換容器内へ分散して供給されることにより、熱交換面の全体を均一に加熱することができる。複数の熱交換容器側端部と熱交換面との間に多孔質部材を取り付けたことにより、熱交換容器内の蒸気を更に均一に分散することができる。   In the present invention, the heat exchange vessel is formed in a flat plate shape, and the plurality of heat exchange vessel side ends of the heating fluid supply pipe are opened on the side opposite to the horizontal heat exchange surface, whereby heat exchange is performed from the heating fluid supply pipe. The steam supplied to the container is supplied toward the bottom surface of the flat plate-shaped heat exchange container, and after colliding with the bottom surface, the steam is dispersed and supplied into the heat exchange container, so that the entire heat exchange surface is covered. It can be heated uniformly. By attaching the porous member between the plurality of heat exchange vessel side ends and the heat exchange surface, the vapor in the heat exchange vessel can be more uniformly dispersed.

本発明に係る蒸気加熱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 steam heating apparatus which concerns on this invention.

本発明は、加熱流体供給管の複数の熱交換容器側端部を、水平状の熱交換面とは反対側に開口するものであるが、開口する位置は、熱交換容器の形状に応じて適宜選定することができる。 In the present invention, the plurality of heat exchange vessel side ends of the heating fluid supply pipe are opened on the side opposite to the horizontal heat exchange surface. The opening position depends on the shape of the heat exchange vessel. It can be selected as appropriate.

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の内部へ蒸気を供給する加熱流体供給管3、及び、熱交換容器1の下方に連通した吸引手段6とで蒸気加熱装置を構成する。   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 heating fluid supply for supplying steam to the inside of the heat exchange vessel 1 The steam heating device is constituted by the pipe 3 and the suction means 6 communicating below the heat exchange vessel 1.

加熱流体供給管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。加熱流体供給管3の複数の熱交換容器1側端部23を、水平状の熱交換面2とは反対側の底面20に向けて開口する。複数の熱交換容器1側端部23と熱交換面2との間に、多数の貫通孔を有する平板状の多孔質部材19を取り付ける。この複数の熱交換容器1側端部23から、熱交換容器1の底面20へ向けて蒸気が供給され、更に、多孔質部材19を通過することで、熱交換容器1内へ分散して蒸気が供給されるものである。 A control valve 7 for controlling the amount of steam supplied to the heat exchange container 1 is attached to the heating fluid supply pipe 3. The plurality of heat exchange vessel 1 side ends 23 of the heating fluid supply pipe 3 are opened toward the bottom surface 20 opposite to the horizontal heat exchange surface 2. A flat plate-like porous member 19 having a large number of through holes is attached between the plurality of heat exchange vessel 1 side ends 23 and the heat exchange surface 2. Steam is supplied from the plurality of heat exchange container 1 side end portions 23 toward the bottom surface 20 of the heat exchange container 1 and further passes through the porous member 19 to be dispersed into the heat exchange container 1 and steam. Is supplied.

熱交換容器1に冷却水を供給する冷却水供給管5を接続して、熱交換容器1を冷却することもできるようにする。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の内部と接続する。自動弁12が開弁することにより、熱交換容器1の内部へ冷却水が供給されるものである。冷却水供給管5の熱交換容器1側端部21には、冷却水を熱交換面2側へ噴射することのできる噴射ノズルを取り付けることが望ましい。 A cooling water supply pipe 5 for supplying cooling water to the heat exchange container 1 is connected so that the heat exchange container 1 can be cooled. 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 the inside 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 supplied into the heat exchange container 1. It is desirable to attach an injection nozzle capable of injecting cooling water to the heat exchange surface 2 side at the end portion 21 of the cooling water supply pipe 5 on the heat exchange container 1 side.

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、熱交換容器1を冷却する場合に常時、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 always opens slightly when the heat exchange container 1 is cooled, and even if the automatic valve 12 is closed, a little cooling water is supplied into the heat exchange container 1 for cooling. A part of the water circulates constantly.

熱交換容器1の円弧状の底面20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 arc-shaped bottom surface 20 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、加熱流体供給管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。加熱流体供給管3の複数の熱交換容器1側端部23を、水平状の熱交換面2とは反対側の底面20に向けて開口すると共に、多孔質部材19を取り付けたことで、熱交換容器1内へ分散して蒸気が供給され、加熱温度ムラを防止して、熱交換面2の全体を均一に加熱することができる。
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 heating fluid supply pipe 3 and the control valve 7 into the heat exchange container 1. The plurality of heat exchange container 1 side ends 23 of the heating fluid supply pipe 3 are opened toward the bottom surface 20 on the side opposite to the horizontal heat exchange surface 2 and the porous member 19 is attached. Steam is supplied by being dispersed into the exchange container 1, and heating temperature unevenness can be prevented and the entire heat exchange surface 2 can be uniformly heated.
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.

一方、熱交換面2を冷却する場合は、冷却水供給管5の自動弁12を開弁して熱交換面2の底面へ冷却水を供給することによって、熱交換面2の熱により冷却水が蒸発気化して、その蒸発潜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。
気化した蒸気と、気化し切れなかった冷却水は、管路8から開閉弁9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。
On the other hand, when cooling the heat exchange surface 2, the automatic valve 12 of the cooling water supply pipe 5 is opened and the cooling water is supplied to the bottom surface of the heat exchange surface 2, so that the cooling water is cooled by the heat of the heat exchange surface 2. Evaporates and cools with the latent heat of vaporization, so that the cooling efficiency can be improved.
The vaporized vapor and the cooling water that has not been vaporized pass from the conduit 8 through the on-off valve 9 and further from the liquid ejector 13 to the cooling water tank 14.

間接的な加熱を行うさまざまな蒸気加熱装置として適用できる。   It can be applied as various steam heating devices that perform indirect heating.

1 熱交換容器
2 熱交換面
3 加熱流体供給管
5 冷却水供給管
6 吸引手段
7 制御弁
10 吸込室
13 液体エゼクタ
14 冷却水タンク
15 循環ポンプ
19 多孔質部材
23 熱交換容器側端部
DESCRIPTION OF SYMBOLS 1 Heat exchange container 2 Heat exchange surface 3 Heating fluid supply pipe 5 Cooling water supply pipe 6 Suction means 7 Control valve 10 Suction chamber 13 Liquid ejector 14 Cooling water tank 15 Circulation pump 19 Porous member 23 End part of heat exchange container

Claims (1)

熱交換容器へ弁を介して加熱用の流体を供給する加熱流体供給管を接続すると共に、
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、
前記熱交換容器の被熱交換物を加熱するものにおいて、
加熱用の流体を蒸気とすると共に、
前記熱交換容器を平板状として、この平板状熱交換容器の上端面に水平状に熱交換面を形成し、
前記加熱流体供給管の複数の熱交換容器側端部を、前記水平状の熱交換面とは反対側の前記熱交換容器の底面に向けて開口して、
前記複数の熱交換容器側端部と前記熱交換面との間に、多数の貫通孔を有する多孔質部材を取り付けたこと
を特徴とする蒸気加熱装置。
A heating fluid supply pipe for supplying a heating fluid to the heat exchange vessel via a valve is connected,
And connected to a suction means for maintaining the interior of the heat exchanger vessel in a reduced pressure state,
In what heats the heat exchange object of the heat exchange container,
While the heating fluid is steam,
The heat exchange vessel is a flat plate, and a heat exchange surface is formed horizontally on the upper end surface of the flat plate heat exchange vessel.
Wherein a plurality of heat exchanger vessel-side end of the heating fluid supply pipe, wherein the horizontal shape of the heat exchange surface and open toward the bottom surface of the heat exchanger vessel of the opposite side,
Between the heat exchange surface and the plurality of heat exchanger vessel end, the steam heating device, characterized in that fitted with porous member having a large number of through-holes.
JP2009213179A 2009-09-15 2009-09-15 Steam heating device Expired - Fee Related JP5426974B2 (en)

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JP2009213179A JP5426974B2 (en) 2009-09-15 2009-09-15 Steam heating device

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JP5426974B2 true JP5426974B2 (en) 2014-02-26

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0517575Y2 (en) * 1989-10-13 1993-05-11
JPH03127625A (en) * 1989-10-13 1991-05-30 Tlv Co Ltd Steam heating and vaporization cooling equipment
JP2553956Y2 (en) * 1991-08-05 1997-11-12 株式会社品川工業所 Egg fryer

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