JP2003240452A - Heat exchanger - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat exchanger capable of preventing steam and drain from being discharged to the outside even when large amounts of steam and drain flow thereinto at high speeds. <P>SOLUTION: A heat exchanging container 1 comprises a steam feed port 2 and a cylindrical atmosphere release tube 5. Cooling fluid feed nozzles 9, 11, 12 and 14 and a first mixedly passing member 6 are installed in the heat exchanging container 1. A third mixedly passing member 8 is installed at the center part of the atmosphere release tube 5. A final steam arresting member 16 is fitted to the upper end outlet part of the atmosphere release tube 5. For the steam and noncondensed gas flowing from the steam feed port 2 therein, the steam is condensed by the first mixedly passing member 6 and a second mixedly passing member 7, gas-liquid are separated from each other by a gas- liquid separating member 15, the steam is further condensed by a third mixedly passing member 8, and finally the steam is arrested by the mesh member 26 of the final steam arresting member 16 and only noncondensed gas is discharged from an outlet opening 28. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、各種蒸気使用装置
で使用され残った蒸気や、蒸気が凝縮した高温ドレンか
ら発生した再蒸発蒸気などを、水などの冷却流体で熱交
換して凝縮させることにより、モヤモヤと立ち込める蒸
気を無くしたり、あるいは、冷却流体と蒸気を熱交換し
て温度上昇した温水を別途使用して蒸気の保有熱を有効
利用する熱交換器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention heat-exchanges steam remaining in various steam-using devices, re-evaporated steam generated from a high-temperature drain where steam is condensed, with a cooling fluid such as water. Accordingly, the present invention relates to a heat exchanger that eliminates steam that can enter the muddy room, or separately uses hot water whose temperature has risen by exchanging heat between a cooling fluid and steam, thereby effectively utilizing the heat retained by the steam.

【０００２】[0002]

【従来の技術】従来のこの種の熱交換器としては、例え
ば特開平１１−３７６６８公報に示されたものがある。
これは、大気開放部にフィルター部を設けると共に、こ
のフィルター部の出口側に第二の冷却流体供給部を配置
したもので、熱交換すべき蒸気中に空気等の不凝縮気体
が混入していても、フィルター部で蒸気やドレンを捕捉
し冷却することによって、外部へモヤモヤと立ち昇る蒸
気を排出することがないものである。2. Description of the Related Art A conventional heat exchanger of this type is disclosed in, for example, Japanese Patent Laid-Open No. 11-37668.
This is a system in which a filter section is provided in the atmosphere opening section and a second cooling fluid supply section is arranged on the outlet side of this filter section, and non-condensing gas such as air is mixed in the steam to be heat-exchanged. However, by capturing and cooling the steam and drain in the filter section, the steam rising up to the outside is not discharged.

【０００３】[0003]

【発明が解決しようとする課題】上記従来の熱交換器で
は、多量の蒸気とドレンと不凝縮気体の混合流体が、高
速でフィルター部を通過する場合に、蒸気とドレンだけ
を確実に捕捉して冷却することができずに、出口側にモ
ヤモヤと立ち昇る蒸気を完全に防止することができない
問題があった。高速で多量のドレンと蒸気と不凝縮気体
の混合流体が流入してくると、フィルター部の容積率や
有効長さにも依るが、一部のドレンや蒸気はフィルター
部を貫通してしまうのである。In the above-mentioned conventional heat exchanger, when a large amount of vapor and a mixed fluid of drain and non-condensable gas pass through the filter section at high speed, only the vapor and drain are reliably captured. However, there was a problem that it was not possible to completely prevent the steam rising up to the exit side because it could not be cooled. When a large amount of drain and a mixed fluid of steam and non-condensable gas flow in at high speed, some drain and steam will penetrate the filter, depending on the volume ratio and effective length of the filter. is there.

【０００４】従って本発明の課題は、高速で多量の蒸気
やドレンが流入する場合であっても、外部に蒸気やドレ
ンを排出することのない熱交換器を得ることである。Therefore, an object of the present invention is to obtain a heat exchanger that does not discharge steam or drain to the outside even when a large amount of steam or drain flows in at high speed.

【０００５】[0005]

【課題を解決するための手段】上記の課題を解決するた
めに講じた手段は、大気開放部を設けた熱交換容器に蒸
気と冷却流体を供給して、蒸気を冷却流体で熱交換する
ことにより凝縮させるものにおいて、熱交換容器内に蒸
気と冷却流体を混合し且つ通過させる混合通過部材と、
当該混合通過部材に向けて冷却流体を噴射する冷却流体
噴射部材を配置して、熱交換容器の出口部に最終蒸気捕
捉部材を取り付けたものである。[Means for Solving the Problems] Means for solving the above-mentioned problems are to supply steam and a cooling fluid to a heat exchange container provided with an atmosphere opening portion, and exchange the heat of the steam with the cooling fluid. In what is condensed by, a mixing passage member for mixing and passing the steam and the cooling fluid in the heat exchange container,
A cooling fluid injection member that injects a cooling fluid toward the mixing passage member is arranged, and a final vapor trapping member is attached to the outlet of the heat exchange container.

【０００６】更に請求項２において、混合通過部材の出
口側に、混合流体を気体と液体とに分離する気液分離部
材を配置したものである。Further, in the present invention, a gas-liquid separating member for separating the mixed fluid into a gas and a liquid is arranged on the outlet side of the mixing passage member.

【０００７】[0007]

【発明の実施の形態】熱交換容器内に混合通過部材と冷
却流体噴射部材を配置したことにより、まず、混合通過
部材で蒸気と冷却流体が確実に混合されて蒸気は凝縮さ
れる。BEST MODE FOR CARRYING OUT THE INVENTION By disposing the mixing passage member and the cooling fluid injection member in the heat exchange container, first, the steam and the cooling fluid are surely mixed by the mixing passage member and the vapor is condensed.

【０００８】残存した一部の蒸気は、熱交換容器の出口
部に取り付けられた最終蒸気捕捉部材で捕捉され、蒸気
が捕捉分離された不凝縮気体は出口から系外へ排出され
る。Part of the remaining vapor is captured by the final vapor capturing member attached to the outlet of the heat exchange container, and the non-condensed gas from which the vapor has been captured and separated is discharged from the outlet to the outside of the system.

【０００９】混合通過部材の出口側に、混合流体を気体
と液体とに分離する気液分離部材を配置したことによ
り、一旦混合された冷却流体並びに蒸気の凝縮したドレ
ンなどの液体と、不凝縮気体などの気体が分離されて、
この液体の分離された不凝縮気体が、最終蒸気捕捉部材
を介して熱交換器の出口から系外へ排出される。By disposing a gas-liquid separating member for separating the mixed fluid into a gas and a liquid on the outlet side of the mixing passage member, the cooling fluid once mixed and the liquid such as drain where the vapor is condensed and the non-condensation Gas such as gas is separated,
The separated non-condensed gas of the liquid is discharged from the outlet of the heat exchanger to the outside of the system via the final vapor capturing member.

【００１０】蒸気と冷却流体を混合し且つ通過させる混
合通過部材としては、金属や合成樹脂の板に多数の貫通
孔を形成したパンチングプレートや、金属あるいは合成
樹脂製細線を積層したフィルター、あるいは、グラスフ
ァイバーや多孔質の焼結金属等を積層したもの、又は、
これらを組み合わせたものを用いることができる。As the mixing passage member for mixing and passing the steam and the cooling fluid, a punching plate in which a large number of through holes are formed in a plate of metal or synthetic resin, a filter in which fine wires made of metal or synthetic resin are laminated, or Laminated glass fiber or porous sintered metal, or
A combination of these can be used.

【００１１】[0011]

【実施例】図１において、円筒状の熱交換容器１と、凝
縮させる蒸気を熱交換容器１内へ供給する蒸気供給口２
と、蒸気の凝縮したドレン及び冷却流体を排出する液体
排出管３，４と、熱交換容器１の中央に同心状に設けた
大気開放部としての円筒状の大気開放管５と、大気開放
管５と熱交換容器１に取り付けた混合通過部材６，７，
８並びに冷却流体供給ノズル９，１０，１１，１２，１
３，１４と、大気開放管５の下部に配置した気液分離部
材１５、及び、大気開放管５の上部である熱交換容器１
の出口部に取り付けた最終蒸気捕捉部材１６で熱交換器
を構成する。EXAMPLE In FIG. 1, a cylindrical heat exchange container 1 and a steam supply port 2 for supplying steam to be condensed into the heat exchange container 1
And liquid discharge pipes 3 and 4 for discharging the condensed drain of the steam and the cooling fluid, a cylindrical atmosphere release pipe 5 as an atmosphere release unit concentrically provided in the center of the heat exchange container 1, and an atmosphere release pipe. 5 and the mixing passage members 6, 7 attached to the heat exchange container 1,
8 and cooling fluid supply nozzles 9, 10, 11, 12, 1
3, 14 and the gas-liquid separating member 15 arranged in the lower part of the atmosphere opening pipe 5, and the heat exchange container 1 which is the upper part of the atmosphere opening pipe 5.
The heat exchanger is constituted by the final vapor capturing member 16 attached to the outlet of the.

【００１２】冷却流体噴射部材としての冷却流体供給ノ
ズル９，１０，１１，１２，１３，１４は、それぞれ開
閉弁を介して冷却流体供給管１８と接続することによっ
て、ノズル９，１０，１１，１２，１３，１４の先端部
又は斜め側方部から冷却流体を噴射する。The cooling fluid supply nozzles 9, 10, 11, 12, 13, 14 serving as cooling fluid injection members are connected to the cooling fluid supply pipe 18 via open / close valves, respectively, so that the nozzles 9, 10, 11, Cooling fluid is jetted from the tip portions of 12, 13, 14 or the oblique side portions.

【００１３】円筒状の熱交換容器１の中央部に、大気開
放管５が挿入できる貫通孔を設けた平板ドーナツ状の第
１の混合通過部材６を取り付ける。第１の混合通過部材
６は、金属製薄板に多数の貫通孔を設けたパンチングプ
レートに金属細線からなるメッシュ部材を積層して形成
する。メッシュ部材は１０から２０メッシュ程度のもの
が好ましい。A flat plate donut-shaped first mixing / passing member 6 having a through hole into which the atmosphere opening pipe 5 can be inserted is attached to the center of the cylindrical heat exchange container 1. The first mixing / passing member 6 is formed by laminating a mesh member made of thin metal wires on a punching plate in which a large number of through holes are provided in a thin metal plate. The mesh member is preferably about 10 to 20 mesh.

【００１４】熱交換容器１の上部に設けた蒸気供給口２
は、図示しないブロワやシュリンクトンネル等の蒸気使
用装置の出口側や再蒸発タンク等と接続して凝縮すべく
蒸気を熱交換容器１へ供給する。Steam supply port 2 provided in the upper part of heat exchange container 1
Is connected to an outlet side of a steam using device such as a blower or a shrink tunnel (not shown), a re-evaporation tank or the like, and supplies steam to the heat exchange container 1 for condensation.

【００１５】蒸気供給口２から熱交換容器１内へ供給さ
れた蒸気は、混合通過部材６を通って下方へ流下する。
この場合、上方の冷却流体供給ノズル９，１１から噴射
される冷却流体例えば冷却水と蒸気の流下方向が略同じ
であり、一部の蒸気と冷却水は混合されながら流下し
て、混合されない蒸気と冷却水と共に混合通過部材６に
衝突して蒸気と冷却水の混合が促進され、蒸気は凝縮し
てドレンとなる。このドレンと残余の冷却水、及び、混
合されずに残った一部の蒸気は、混合通過部材６のメッ
シュ部材の隙間とパンチングプレートの貫通孔を通って
下方へ流下する。The steam supplied from the steam supply port 2 into the heat exchange container 1 flows downward through the mixing passage member 6.
In this case, the cooling fluid injected from the upper cooling fluid supply nozzles 9 and 11, for example, the cooling water and the steam flow in substantially the same direction, and a part of the steam and the cooling water flow down while being mixed, and the steam that is not mixed is mixed. And the cooling water collide with the mixing passage member 6 to promote the mixing of the steam and the cooling water, and the steam condenses to drain. The drain, the remaining cooling water, and a part of the steam left without being mixed flow downward through the gaps of the mesh member of the mixing passage member 6 and the through holes of the punching plate.

【００１６】大気開放管５の下方の気液分離部材１５の
側面中心部分に貫通孔１７を左右対称に２個設ける。貫
通孔１７の内側に、貫通孔１７の全面を覆う大きさの第
２の混合通過部材７を取り付ける。第２の混合通過部材
７も、パンチングプレートにメッシュ部材を積層して形
成する。第１の混合通過部材６を通過してきたドレンと
冷却水と蒸気の混合流体は、この貫通孔１７と第２の混
合通過部材７を通ることによって、残った蒸気と冷却水
の混合が促進され、残った蒸気の量は減少する。Two through holes 17 are provided symmetrically in the central portion of the side surface of the gas-liquid separating member 15 below the atmosphere opening pipe 5. Inside the through hole 17, a second mixing / passing member 7 having a size that covers the entire surface of the through hole 17 is attached. The second mixing / passing member 7 is also formed by laminating a mesh member on a punching plate. The mixed fluid of drain, cooling water, and steam that has passed through the first mixing / passing member 6 passes through the through hole 17 and the second mixing / passing member 7 to promote the mixing of the remaining steam and cooling water. , The amount of steam left is reduced.

【００１７】第２の混合通過部材７を通過したドレンと
冷却水と未だ残った一部の蒸気及び不凝縮気体との混合
流体は、気液分離部材１５で気体と液体とに分離され、
大気開放管５内で上方へ方向転換して、第３の混合通過
部材８と上部の最終蒸気捕捉部材１６を通って外部に排
出される。一方、気液分離部材１５で分離された液体
は、大気開放管５の底部に滴下する。The mixed fluid of the drain, which has passed through the second mixing / passing member 7, cooling water, and part of the remaining steam and non-condensable gas is separated by the gas-liquid separating member 15 into a gas and a liquid,
It is turned upward in the atmosphere open pipe 5, and is discharged to the outside through the third mixing passage member 8 and the upper final vapor capturing member 16. On the other hand, the liquid separated by the gas-liquid separation member 15 drops on the bottom of the atmosphere open pipe 5.

【００１８】気液分離部材１５は図２に示すように、大
気開放管５の下部に設けた貫通孔１７に対向して取り付
けた断面Ｌ次状の衝突板で構成する。第２の混合通過部
材７を通過したドレンと冷却水と一部の蒸気及び不凝縮
気体の混合流体が、気液分離部材１５に衝突して気液が
分離され、分離された液体は大気開放管５の底部に滴下
すると共に、一部残った蒸気と液体及び不凝縮気体の混
合流体は衝突板１５の開口部２０から大気開放管５内を
時計周り方向に旋回しながら上方へ向かう。As shown in FIG. 2, the gas-liquid separating member 15 is composed of a collision plate having an L-shaped cross section, which is attached so as to face a through hole 17 provided in the lower portion of the atmosphere opening pipe 5. The mixed fluid of the drain, the cooling water, a part of the steam and the non-condensable gas that has passed through the second mixing / passing member 7 collides with the gas / liquid separating member 15 to separate the gas / liquid, and the separated liquid is opened to the atmosphere. The mixed fluid of vapor, liquid, and non-condensed gas that remains partially while dripping at the bottom of the pipe 5 moves upward from the opening 20 of the collision plate 15 while swirling clockwise in the atmosphere open pipe 5.

【００１９】大気開放管５内には衝突板１５の開口部２
０側にそれぞれ分離板２１を取り付ける。分離版２１
は、衝突板１５側に隙間部２２を設け、他端側を大気開
放管５の内周に固着したもので、衝突板１５の開口部２
０から旋回してきた、蒸気と液体と不凝縮気体の混合流
体が、この分離版２１に衝突することによって、残って
いる蒸気と液体の混合凝縮が促進され、また、気液の分
離が促進されると共に、旋回流が大気開放管５内を上方
へ向かうにつれて弱められる。In the atmosphere opening pipe 5, the opening 2 of the collision plate 15 is provided.
Separate plates 21 are attached to the 0 side, respectively. Separated version 21
Is a structure in which a gap 22 is provided on the collision plate 15 side, and the other end side is fixed to the inner circumference of the atmosphere open pipe 5, and the opening 2 of the collision plate 15 is
When the mixed fluid of vapor, liquid, and non-condensed gas that has swirled from 0 collides with the separation plate 21, mixed condensation of the remaining vapor and liquid is promoted, and gas-liquid separation is promoted. At the same time, the swirling flow is weakened as it goes upward in the atmosphere open pipe 5.

【００２０】分離版２１で分離された液体も大気開放管
５の底部に滴下する。大気開放管５の底部には、管５の
内径の全長に渡って旋回流防止板２３を取り付ける。旋
回流防止板２３は、大気開放管５の底部に溜まった液体
が旋回し、液面が波立つことを防止する。大気開放管５
の底部に溜まった液体は、液体排出管３から系外へ排出
される。同様に、熱交換容器１の底部に溜まった冷却流
体とドレンの混合液体は液体排出管４から系外へ排出さ
れる。The liquid separated by the separation plate 21 is also dropped on the bottom of the atmosphere open pipe 5. A swirl prevention plate 23 is attached to the bottom of the atmosphere open pipe 5 over the entire length of the inner diameter of the pipe 5. The swirl flow prevention plate 23 prevents the liquid accumulated at the bottom of the atmosphere open pipe 5 from swirling and causing the liquid surface to swell. Atmosphere open pipe 5
The liquid accumulated at the bottom of the liquid is discharged from the liquid discharge pipe 3 to the outside of the system. Similarly, the mixed liquid of the cooling fluid and the drain accumulated in the bottom of the heat exchange container 1 is discharged from the liquid discharge pipe 4 to the outside of the system.

【００２１】熱交換容器１の出口部である大気開放管５
の上端に最終蒸気捕捉部材１６を取り付ける。最終蒸気
捕捉部材１６は、内管２４と外管２５で構成して、内管
２４の上部開口部にメッシュ部材２６を取り付けて、最
後まで残った蒸気を捕捉し、不凝縮気体は出口開口２８
から系外へ排出する。メッシュ部材２６は、６０メッシ
ュ程度のものを複数枚例えば２枚から６枚程度積層する
ことが好ましい。Atmosphere opening pipe 5 which is the outlet of the heat exchange container 1.
The final vapor capturing member 16 is attached to the upper end of the. The final vapor trapping member 16 is composed of an inner pipe 24 and an outer pipe 25, and a mesh member 26 is attached to the upper opening of the inner pipe 24 to trap the remaining vapor until the end, and the non-condensable gas has an outlet opening 28.
Discharged from the system. As the mesh member 26, it is preferable to stack a plurality of mesh members of about 60 mesh, for example, about 2 to 6 sheets.

【００２２】外管２５の出口開口２８の下部にもメッシ
ュ部材２７を設けて、上流側のメッシュ部材２６で捕捉
された蒸気のドレンが衝突して飛散することを防止す
る。A mesh member 27 is also provided below the outlet opening 28 of the outer pipe 25 to prevent the steam drain captured by the upstream mesh member 26 from colliding and scattering.

【００２３】大気開放管５を上昇してきた、最後まで残
ってしまった蒸気と液体と不凝縮気体の混合流体は、内
管２４の下端から上昇して方向を反転してメッシュ部材
２６を通過し、下部のメッシュ部材２７に衝突して再度
方向を反転して、出口開口２８から不凝縮気体だけが外
部へ排出される。The mixed fluid of the vapor, the liquid and the non-condensable gas, which has risen in the atmosphere open pipe 5 and remains until the end, rises from the lower end of the inner pipe 24, reverses its direction, and passes through the mesh member 26. , And collides with the lower mesh member 27 to reverse the direction again, and only the non-condensable gas is discharged to the outside from the outlet opening 28.

【００２４】内管２４の上方中心部に冷却流体供給ノズ
ル１０を取り付ける。このノズル１０は、大気開放管５
内及び内管２４内を上昇してくる混合流体に冷却流体を
噴射することができるもので、冷却流体と蒸気を含む流
体を混合させて蒸気を凝縮させる。また、ノズル１０か
らの冷却流体を第３の混合通過部材８の上面に衝突させ
て、混合通過部材８を下方から通過してくる蒸気を含む
流体と混合させて蒸気の凝縮を促進する。このように、
蒸気の流下方向とノズル１０からの冷却流体の流下方向
を略反対方向にして、蒸気の凝縮を促進することもでき
る。The cooling fluid supply nozzle 10 is attached to the upper center of the inner pipe 24. This nozzle 10 is connected to the atmosphere open pipe 5
The cooling fluid can be injected to the mixed fluid rising in the inner and inner tubes 24, and the cooling fluid and the fluid containing the vapor are mixed to condense the vapor. Further, the cooling fluid from the nozzle 10 collides with the upper surface of the third mixing / passing member 8 to mix with the fluid containing the vapor passing from below through the mixing / passing member 8 to promote the condensation of the vapor. in this way,
It is also possible to accelerate the condensation of the steam by making the flow-down direction of the steam and the flow-down direction of the cooling fluid from the nozzle 10 substantially opposite to each other.

【００２５】大気開放管５の底部に取り付けた冷却流体
供給ノズル１３は、大気開放管５内を上昇する混合流体
と同一流れ方向に冷却流体を噴射するもので、旋回する
混合流体中に冷却流体を混合して蒸気を凝縮させる。ま
た、ノズル１３からの冷却流体を第３の混合通過部材８
の下面に衝突させて、混合流体中の蒸気の凝縮を促進す
る。The cooling fluid supply nozzle 13 attached to the bottom of the atmosphere opening pipe 5 injects the cooling fluid in the same flow direction as the mixed fluid rising in the atmosphere opening pipe 5, and the cooling fluid is swirled in the swirling mixed fluid. To condense the vapor. Further, the cooling fluid from the nozzle 13 is passed through the third mixing passage member 8
Of the vapor in the mixed fluid to accelerate the condensation of the vapor in the mixed fluid.

【００２６】このように、第３の混合通過部材８の両面
側に冷却流体を噴射して、すなわち、蒸気を含む混合流
体の流下方向に対して順方向と逆方向の両方向から冷却
流体を噴射することによって、蒸気をより確実に凝縮す
ることができる。この場合、順方向の冷却流体の噴射量
を、逆方向の冷却流体の噴射量よりも多くすることによ
り、蒸気の凝縮の効率を上昇させることができる。As described above, the cooling fluid is jetted to both surface sides of the third mixing passage member 8, that is, the cooling fluid is jetted from both the forward direction and the reverse direction with respect to the downward direction of the mixed fluid containing steam. By doing so, the vapor can be condensed more reliably. In this case, the efficiency of vapor condensation can be increased by making the injection amount of the cooling fluid in the forward direction larger than the injection amount of the cooling fluid in the reverse direction.

【００２７】熱交換容器１の底部に取り付けた冷却流体
供給ノズル１２，１４は、熱交換容器１の中心側へ傾斜
した噴流を主に生じるもので、第１の混合通過部材６を
通過してきた混合流体の一部に、流れ方向が逆方向の冷
却流体を噴射すると共に、第２の混合通過部材７へ冷却
流体を噴射して蒸気の凝縮を促進する。The cooling fluid supply nozzles 12 and 14 attached to the bottom of the heat exchange container 1 mainly generate jets inclined toward the center of the heat exchange container 1, and have passed through the first mixing passage member 6. A cooling fluid having a reverse flow direction is injected to a part of the mixed fluid, and the cooling fluid is injected to the second mixing passage member 7 to promote vapor condensation.

【００２８】それぞれの冷却流体供給ノズル９，１０，
１１，１２，１３，１４は、取り付け角度や上下位置、
または、冷却流体の噴射量や噴射形状を適宜調節可能に
取り付けることが、蒸気の凝縮を促進する上で好まし
い。Each cooling fluid supply nozzle 9, 10,
11,12,13,14 are the mounting angle and the vertical position,
Alternatively, it is preferable to attach the cooling fluid so that the injection amount and the injection shape of the cooling fluid can be adjusted as appropriate in order to accelerate the condensation of the vapor.

【００２９】蒸気供給口２から熱交換容器１へ供給され
る蒸気と空気等の不凝縮気体とドレンの混合流体は、冷
却流体供給ノズル９，１１から供給される冷却流体と一
部が混合しながら第１の混合通過部材６に衝突して、蒸
気と冷却流体が混合され、蒸気が凝縮される。混合通過
部材６を通過した、冷却流体と蒸気の凝縮したドレンは
底部に溜まって液体排出管４から外部へ排出され、凝縮
されずに残った蒸気と不凝縮気体は第２の混合通過部材
７から気液分離部材１５へと至る。The mixed fluid of the steam, the non-condensable gas such as air, and the drain supplied from the steam supply port 2 to the heat exchange container 1 is partially mixed with the cooling fluid supplied from the cooling fluid supply nozzles 9 and 11. While colliding with the first mixing passage member 6, the vapor and the cooling fluid are mixed and the vapor is condensed. The drainage of the cooling fluid and the vapor that has passed through the mixing passage member 6 is accumulated at the bottom and discharged to the outside through the liquid discharge pipe 4, and the vapor and the non-condensed gas remaining without being condensed are the second mixing passage member 7 To the gas-liquid separating member 15.

【００３０】第２の混合通過部材７には、冷却流体供給
ノズル１２，１４から冷却流体が噴射されているため
に、凝縮されずに残った蒸気と冷却流体が衝突して混合
され、蒸気の凝縮が促進される。Since the cooling fluid is jetted from the cooling fluid supply nozzles 12 and 14 to the second mixing / passing member 7, the steam remaining uncondensed and the cooling fluid collide with each other to be mixed, and Condensation is promoted.

【００３１】第２の混合通過部材７を通過した冷却流体
とドレンと不凝縮気体と残余の蒸気は、衝突板１５に衝
突して旋回流となり質量の大きな液滴が下方へ滴下する
ことによって気液が分離され、分離された液体は大気開
放管５底部から液体排出管３を通って外部へ排出され
る。なお、この衝突板１５への衝突時においても、蒸気
と冷却流体の混合が生じて一部の蒸気は凝縮される。The cooling fluid, the drain, the non-condensable gas and the residual vapor that have passed through the second mixing / passing member 7 collide with the collision plate 15 to form a swirling flow, and a large-mass droplet is dropped downward to form a gas. The liquid is separated, and the separated liquid is discharged from the bottom of the atmosphere open pipe 5 through the liquid discharge pipe 3 to the outside. Even when the collision plate 15 collides, the vapor and the cooling fluid are mixed with each other and a part of the vapor is condensed.

【００３２】衝突板１５で分離し切れなかった気液混合
流体は、再度分離板２１に衝突して、蒸気と冷却流体の
混合が促進され、気液の分離が促進され、且つ、衝突板
１５への衝突に伴い旋回流が弱められる。The gas-liquid mixed fluid that has not been separated by the collision plate 15 collides with the separation plate 21 again to promote the mixing of the vapor and the cooling fluid, promote the separation of the gas and liquid, and the collision plate 15 The swirling flow is weakened due to the collision with.

【００３３】一方、分離された気体、すなわち、不凝縮
気体と残余の蒸気は、大気開放管５内を上昇して第３の
混合通過部材８を通過する間に、冷却流体供給ノズル１
３又は１０からの冷却流体と混合して蒸気が凝縮され
る。On the other hand, the separated gas, that is, the non-condensed gas and the remaining vapor, rise in the atmosphere open pipe 5 and pass through the third mixing passage member 8, while the cooling fluid supply nozzle 1
The vapor is condensed in admixture with the cooling fluid from 3 or 10.

【００３４】大気開放管５内を上昇して最終蒸気捕捉部
材１６内へ流入してきた不凝縮気体と未だ残った僅かな
蒸気の混合流体は、メッシュ部材２６を通過する間に僅
かな蒸気が凝縮して捕捉され、最後に残った不凝縮気体
だけが出口開口２８を通って外部へ排出される。The mixed fluid of the non-condensable gas that has risen in the atmosphere open pipe 5 and has flowed into the final vapor trapping member 16 and the remaining small amount of vapor is condensed while passing through the mesh member 26. Then, only the non-condensable gas remaining at the end is discharged through the outlet opening 28 to the outside.

【００３５】このように、混合通過部材６，７，８と、
冷却流体供給ノズル９，１０，１１，１２，１３，１４
と、最終蒸気捕捉部材１６とによって、空気等の不凝縮
気体だけが外部へ排出されることにより、蒸気が含まれ
ている場合のようにモヤモヤと湯気が周囲に立ち込める
ことが無い。In this way, the mixing passage members 6, 7, 8
Cooling fluid supply nozzles 9, 10, 11, 12, 13, 14
Since the non-condensable gas such as air is discharged to the outside by the final steam trapping member 16, it is possible to prevent moyamoya and steam from entering the surrounding area as in the case where steam is contained.

【００３６】本実施例においては、それぞれの冷却流体
供給ノズル９，１０，１１，１２，１３，１４を使用し
た例を示したが、流入する蒸気量に応じて使用するノズ
ルの数、あるいは、冷却流体の噴射量を選択することが
好ましい。In this embodiment, an example in which the respective cooling fluid supply nozzles 9, 10, 11, 12, 13, 14 are used is shown, but the number of nozzles to be used, or It is preferable to select the injection amount of the cooling fluid.

【００３７】[0037]

【発明の効果】本発明によれば、蒸気と冷却流体の混合
通過部材と、冷却流体噴射部材、及び、最終蒸気捕捉部
材とを設けたことにより、蒸気と冷却流体を確実に混合
して蒸気を凝縮し、最終蒸気捕捉部材から気体としての
空気等の不凝縮気体だけを外部へ排出することができ
る。According to the present invention, the mixing passage member for the steam and the cooling fluid, the cooling fluid injection member, and the final steam capturing member are provided, so that the steam and the cooling fluid are surely mixed to each other. Can be condensed, and only the non-condensable gas such as air as a gas can be discharged from the final vapor capturing member to the outside.

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

【図１】本発明の熱交換器の実施例を示す概略構成図。FIG. 1 is a schematic configuration diagram showing an embodiment of a heat exchanger of the present invention.

【図２】図１のＡ−Ａ線断面拡大図。2 is an enlarged cross-sectional view taken along the line AA of FIG.

【符号の説明】[Explanation of symbols]

１ 熱交換容器 ２ 蒸気供給口 ５ 大気開放管 ６ 第１の混合通過部材 ７ 第２の混合通過部材 ８ 第３の混合通過部材 ９，１０，１１，１２，１３，１４ 冷却流体供給ノズ
ル １５ 気液分離部材 １６ 最終蒸気捕捉部材 １７ 貫通孔 １８ 冷却流体供給管 ２１ 分離版 ２３ 旋回流防止板 ２６ メッシュ部材 ２８ 出口開口1 Heat Exchange Container 2 Steam Supply Port 5 Atmosphere Opening Pipe 6 First Mixing Passing Member 7 Second Mixing Passing Member 8 Third Mixing Passing Member 9, 10, 11, 12, 13, 13 Cooling Fluid Supply Nozzle 15 Gas Liquid separation member 16 Final vapor capturing member 17 Through hole 18 Cooling fluid supply pipe 21 Separation plate 23 Swirling flow prevention plate 26 Mesh member 28 Outlet opening

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 大気開放部を設けた熱交換容器に蒸気と
冷却流体を供給して、蒸気を冷却流体で熱交換すること
により凝縮させるものにおいて、熱交換容器内に蒸気と
冷却流体を混合し且つ通過させる混合通過部材と、当該
混合通過部材に向けて冷却流体を噴射する冷却流体噴射
部材を配置して、熱交換容器の出口部に最終蒸気捕捉部
材を取り付けたことを特徴とする熱交換器。1. A method in which steam and a cooling fluid are supplied to a heat exchange container provided with an atmosphere opening portion and the steam is condensed by exchanging heat with the cooling fluid, wherein the steam and the cooling fluid are mixed in the heat exchange container. And a cooling fluid injection member for injecting a cooling fluid toward the mixing passage member, and a final vapor trapping member is attached to the outlet of the heat exchange container. Exchanger. 【請求項２】 請求項１において、混合通過部材の出口
側に、混合流体を気体と液体とに分離する気液分離部材
を配置したことを特徴とする熱交換器。2. The heat exchanger according to claim 1, wherein a gas-liquid separating member for separating the mixed fluid into a gas and a liquid is arranged on the outlet side of the mixing passage member.