JP2006170511A

JP2006170511A - Gas-liquid separator

Info

Publication number: JP2006170511A
Application number: JP2004362936A
Authority: JP
Inventors: Kenichi Watanabe; 渡辺　　賢一
Original assignee: TLV Co Ltd
Current assignee: TLV Co Ltd
Priority date: 2004-12-15
Filing date: 2004-12-15
Publication date: 2006-06-29

Abstract

<P>PROBLEM TO BE SOLVED: To provide a gas-liquid separator capable of accurately detecting a steam temperature by positively discharging condensed water generated in a secondary side of a gas-liquid separating part to the outside. <P>SOLUTION: A steam supply pipe 1 is connected to an inlet 7 of the gas-liquid separating part 4, and an outlet 8 is connected to a steam supply pipe 2. A condensed water discharge part 5 is integrally attached to a lower part of the gas-liquid separating part 4. A sensor attachment pipe 10 is intervened in the steam supply pipe 2. A pressure sensor 11 and a temperature sensor 12 is attached to a pipe 10. A lower part of the pipe 10 is communicated with the condensed water discharge part 5 by a communication pipe 6. A rising part 15 is provided between steam supply pipes 2 and 3. Condensed water generated in the steam supply pipe 2 and the rising part 15 passes through the communication pipe 6, reaches a condensed water discharge part 5 interior, and it is automatically discharged to the outside when a predetermined amount is accumulated. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、気体としての蒸気と、液体としての復水を分離する気液分離器に関する。 The present invention relates to a gas-liquid separator that separates vapor as a gas and condensate as a liquid.

気液分離器は、気体と液体の質量差に基づき、遠心力、慣性力又は重力等で気液を分離したり、あるいは、気体と液体の粒径差に基づきフィルター等で気液を分離するものである。 A gas-liquid separator separates gas and liquid by centrifugal force, inertial force, gravity, etc. based on the mass difference between gas and liquid, or separates gas and liquid by a filter etc. based on the particle size difference between gas and liquid. Is.

この気液分離器においては、蒸気供給管に取り付けた気液分離器で、蒸気供給管内を流下してきた復水を分離して、気液分離器と連結した復水排出器から分離した復水を外部へ排出することができるものであるが、気液分離器の出口側すなわち二次側に位置する蒸気供給管の立ち上がり部と気液分離器の間に復水が滞留してしまう問題があった。これは、蒸気供給管の立ち上がり部で発生した復水が重力によってその下部に溜まるためである。蒸気供給管に溜まった復水は、ウォーターハンマー等を引き起こす原因となるために、できるかぎり速やかに外部に排出しなければならない。
特開平２−２１３６０１号公報 In this gas-liquid separator, the condensate separated from the condensate discharger connected to the gas-liquid separator is separated by the gas-liquid separator attached to the steam supply pipe and separated from the condensate flowing down in the steam supply pipe. However, there is a problem that condensate stays between the rising part of the steam supply pipe located on the outlet side of the gas-liquid separator, that is, the secondary side, and the gas-liquid separator. there were. This is because the condensate generated at the rising portion of the steam supply pipe accumulates in the lower part due to gravity. Condensate collected in the steam supply pipe causes water hammer and the like, so it must be discharged to the outside as quickly as possible.
JP-A-2-213601

解決しようとする課題は、気液分離部の二次側の立ち上がり部で発生した復水も確実に復水排出部から外部へ排出することのできる気液分離器を提供することである。 The problem to be solved is to provide a gas-liquid separator that can reliably discharge the condensate generated at the rising portion on the secondary side of the gas-liquid separation unit to the outside from the condensate discharge unit.

本発明は、蒸気供給管に取り付けた気液分離部と復水排出部と、当該気液分離部の二次側に配置した蒸気供給管の立ち上がり部とからなるものにおいて、立ち上がり部又は気液分離部と立ち上がり部の間の蒸気供給管に、復水排出部と連通する連通管を接続すると共に、当該連通管の蒸気供給管側端部近傍に温度センサを配置したことを特徴とする。 The present invention comprises a gas-liquid separation part and a condensate discharge part attached to a steam supply pipe, and a rising part of the steam supply pipe arranged on the secondary side of the gas-liquid separation part. The steam supply pipe between the separation part and the rising part is connected to a communication pipe communicating with the condensate discharge part, and a temperature sensor is disposed in the vicinity of the steam supply pipe side end of the communication pipe.

本発明の気液分離器は、立ち上がり部又は気液分離部と立ち上がり部の間の蒸気供給管に、復水排出部と連通する連通管を接続したことにより、立ち上がり部で発生した復水は、この連通管から復水排出部へと流下して外部へ排出することができる。 In the gas-liquid separator of the present invention, the condensate generated at the rising part is connected to the steam supply pipe between the rising part or the gas-liquid separating part and the rising part, and a communication pipe communicating with the condensate discharging part is connected. Then, it is possible to flow down from this communication pipe to the condensate discharge section and discharge to the outside.

本発明は、蒸気供給管に気液分離部と復水排出部を取り付けるものであり、この気液分離部と復水排出部は、一体に又は別体に配置することができる。 In the present invention, a gas-liquid separation unit and a condensate discharge unit are attached to a steam supply pipe, and the gas-liquid separation unit and the condensate discharge unit can be arranged integrally or separately.

図１において、蒸気供給管１，２，３と、気液分離部４と復水排出部５、及び、連通管６とで気液分離器を構成する。 In FIG. 1, steam supply pipes 1, 2, 3, a gas-liquid separator 4, a condensate discharge part 5, and a communication pipe 6 constitute a gas-liquid separator.

気液分離部４は、遠心力によって蒸気と復水を気液分離するもので、入口７を蒸気供給管１と接続し、出口８を蒸気供給管２と接続する。蒸気供給管１から気液分離部４へ供給された蒸気は、出口８と蒸気供給管２，３から図示しない蒸気使用箇所へと供給される。蒸気供給管２と３の間に立ち上がり部１５を設ける。 The gas-liquid separation unit 4 gas-liquid separates steam and condensate by centrifugal force, and connects the inlet 7 to the steam supply pipe 1 and connects the outlet 8 to the steam supply pipe 2. The steam supplied from the steam supply pipe 1 to the gas-liquid separator 4 is supplied from the outlet 8 and the steam supply pipes 2 and 3 to a steam use location (not shown). A rising portion 15 is provided between the steam supply pipes 2 and 3.

気液分離部４の下部に復水排出部５を一体に形成する。復水排出部５の下端には連通管６と復水排出管９をそれぞれ接続する。復水排出部５は、内部にステンレス製の球形フロートを自由状態で配置したもので、気液分離部４で蒸気から分離された復水が所定量内部に溜まると球形フロートが浮力によって浮上して弁口を開口することによって、復水だけを外部へ排出することができるものである。 A condensate discharge part 5 is formed integrally with the lower part of the gas-liquid separation part 4. A communication pipe 6 and a condensate discharge pipe 9 are connected to the lower end of the condensate discharge section 5, respectively. The condensate discharge unit 5 has a stainless steel spherical float arranged in a free state. When the condensate separated from the steam in the gas-liquid separation unit 4 accumulates in a predetermined amount, the spherical float floats by buoyancy. By opening the valve opening, only the condensate can be discharged to the outside.

気液分離部４の出口８と蒸気供給管２の間に、略Ｔ字状のセンサ取り付けパイプ１０を配置して、蒸気供給管２内を流下する蒸気の圧力と温度を検出する圧力センサ１１及び温度センサ１２をそれぞれ取り付ける。 A pressure sensor 11 that detects the pressure and temperature of the steam flowing down in the steam supply pipe 2 by disposing a substantially T-shaped sensor mounting pipe 10 between the outlet 8 of the gas-liquid separator 4 and the steam supply pipe 2. And the temperature sensor 12 is attached, respectively.

センサ取り付けパイプ１０の温度センサ１２取り付け箇所の下部１３に、連通管６の一端を接続して、復水排出部５の内部と連通する。 One end of the communication pipe 6 is connected to the lower portion 13 of the temperature sensor 12 attachment portion of the sensor attachment pipe 10 so as to communicate with the inside of the condensate discharge unit 5.

蒸気供給管１から気液分離部４へ供給された蒸気に混入していた復水は、気液分離部４で蒸気から分離され復水排出部５内へ流下する。復水の分離された蒸気は、出口８から蒸気供給管２，１５，３へと流下する。蒸気供給管２，１５内で放熱により発生した復水は、立ち上がり部１５の下部すなわち蒸気供給管２内、更にはセンサ取り付けパイプ１０内に溜まり、連通管６を通って復水排出部５内に流下して、所定量の復水が内部に溜まると自動的に復水排出管９から外部へ排出される。 Condensate mixed in the steam supplied from the steam supply pipe 1 to the gas-liquid separation unit 4 is separated from the steam by the gas-liquid separation unit 4 and flows down into the condensate discharge unit 5. The separated steam of the condensate flows down from the outlet 8 to the steam supply pipes 2, 15, 3. Condensate generated by heat radiation in the steam supply pipes 2 and 15 is accumulated in the lower part of the rising part 15, that is, in the steam supply pipe 2 and further in the sensor mounting pipe 10, and passes through the communication pipe 6 and in the condensate discharge part 5 When a predetermined amount of condensate is accumulated inside, it is automatically discharged from the condensate discharge pipe 9 to the outside.

温度センサ１２の取り付け下部１３に連通管６を接続して、センサ取り付けパイプ１０内に復水が滞留しないようにしたことによって、温度センサ１２のセンシング箇所にも復水が滞留しなくなって、蒸気供給管２を流下する蒸気の温度を正確に検出することができる。すなわち、温度センサ１２のセンシング箇所に復水が存在すると、実際の蒸気温度よりも低い温度を検出してしまうのであるが、復水を排出することによって、正確に蒸気温度を検出することができる。 By connecting the communication pipe 6 to the mounting lower portion 13 of the temperature sensor 12 so that the condensate does not stay in the sensor mounting pipe 10, the condensate does not stay in the sensing location of the temperature sensor 12. The temperature of the steam flowing down the supply pipe 2 can be accurately detected. That is, if condensate exists at the sensing location of the temperature sensor 12, a temperature lower than the actual steam temperature is detected, but the steam temperature can be accurately detected by discharging the condensate. .

本発明の気液分離器の実施例を示す構成図。The block diagram which shows the Example of the gas-liquid separator of this invention.

Explanation of symbols

１，２，３蒸気供給管
４気液分離部
５復水排出部
６連通管
９復水排出管
１０センサ取り付けパイプ
１１圧力センサ
１２温度センサ
１５立ち上げ部
1, 2, 3 Steam supply pipe 4 Gas-liquid separation section 5 Condensate discharge section 6 Communication pipe 9 Condensate discharge pipe 10 Sensor mounting pipe 11 Pressure sensor 12 Temperature sensor 15 Start-up section

Claims

A rising part or a gas-liquid separation part and a rising part in a gas-liquid separation part and condensate discharge part attached to the steam supply pipe and a rising part of the steam supply pipe arranged on the secondary side of the gas-liquid separation part A gas-liquid separator characterized in that a communication pipe communicating with the condensate discharge section is connected to the steam supply pipe between the sections, and a temperature sensor is disposed in the vicinity of the steam supply pipe side end of the communication pipe.