JP2006084075A - Steam attemperator - Google Patents

Steam attemperator Download PDF

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Publication number
JP2006084075A
JP2006084075A JP2004267662A JP2004267662A JP2006084075A JP 2006084075 A JP2006084075 A JP 2006084075A JP 2004267662 A JP2004267662 A JP 2004267662A JP 2004267662 A JP2004267662 A JP 2004267662A JP 2006084075 A JP2006084075 A JP 2006084075A
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Japan
Prior art keywords
cooling water
steam
temperature
spray nozzle
passage
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JP2004267662A
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Japanese (ja)
Inventor
Shizumaro Ooishi
鎮麿 大石
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TLV Co Ltd
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TLV Co Ltd
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Priority to JP2004267662A priority Critical patent/JP2006084075A/en
Publication of JP2006084075A publication Critical patent/JP2006084075A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a steam attemperator free from unevenness in temperature of temperature-decreased steam, by uniformly mixing steam of high temperature and cooling fluid as a whole. <P>SOLUTION: A spray nozzle part 2 and a cooling water storing part 15 are mounted on a steam passage 1 where the steam of high temperature flows down. An ultrasonic vibrator 4 is mounted on an outer periphery of the cooling water storing part 15. A temperature sensor 6 is mounted on a secondary-side passage 5 to detect a temperature of temperature-decreased steam. A cooling water supply pipe 3 is connected with the spray nozzle part 2. The cooling water supply pipe 3 is connected with a cooling water pump 7 and a cooling water tank 8. The cooling water is jetted into the steam passage 1 from a spray nozzle 13, and the cooling water is also supplied from a cooling water supply part 14 to a bottom part of a main body 11, and reaches the downstream cooling water storing part 15. The cooling water in the cooling water storing part 15 is atomized by the ultrasonic vibrator 4, and mixed with the steam of high temperature flowing down in the steam passage 1, thus the temperature of the steam of high temperature is decreased to obtain the steam of a prescribed temperature. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、高温状態の蒸気を、所定の温度例えば飽和蒸気温度まで減温することのできる蒸気減温装置に関する。   The present invention relates to a steam temperature reducing apparatus capable of reducing the temperature of steam in a high temperature state to a predetermined temperature, for example, a saturated steam temperature.

蒸気減温装置は、過熱状態の高温蒸気に、冷却水等の冷却流体を供給して所定の温度まで蒸気を減温させるものである。   The steam temperature reducing device supplies a cooling fluid such as cooling water to high-temperature steam in an overheated state to reduce the temperature of the steam to a predetermined temperature.

この蒸気減温装置においては、加熱容器の二次側のドレンすなわち液体を高温蒸気と接触させて蒸気の温度を減温するために、蒸気の全体が均一に減温されずに、減温蒸気に温度ムラを生じてしまう問題点があった。すなわち、高温蒸気にノズル等を介して冷却水を供給するだけでは、蒸気と水滴が全体に且つ均一に混合されずに温度ムラを生じてしまうのである。
特公平７−８８９３３号公報 In this steam temperature reducing device, the drain on the secondary side of the heating container, that is, the liquid is brought into contact with the high temperature steam to reduce the temperature of the steam. There is a problem that temperature unevenness occurs. That is, if only the cooling water is supplied to the high-temperature steam via a nozzle or the like, the steam and water droplets are not mixed uniformly and entirely, resulting in temperature unevenness.
Japanese Patent Publication No. 7-88933

解決しようとする課題は、高温蒸気と冷却流体が全体に且つ均一に混合されて、減温蒸気に温度ムラを生じることのない蒸気減温装置を提供することである。   The problem to be solved is to provide a steam temperature reducing device in which the high temperature steam and the cooling fluid are uniformly and uniformly mixed so as not to cause temperature unevenness in the temperature reduced steam.

本発明は、蒸気通路を流下する高温蒸気へ冷却流体を供給して、当該高温蒸気を所定温度状態の蒸気へ減温するものにおいて、蒸気通路に冷却水を供給する冷却水供給管を接続して、当該冷却水供給管の一端に冷却水スプレーノズルを取り付けると共に、蒸気通路に冷却水供給管からの冷却水を霧化する超音波振動子を取り付けたことを特徴とする。   In the present invention, a cooling fluid is supplied to high-temperature steam flowing down a steam passage, and the high-temperature steam is reduced to steam in a predetermined temperature state, and a cooling water supply pipe for supplying cooling water to the steam passage is connected. A cooling water spray nozzle is attached to one end of the cooling water supply pipe, and an ultrasonic vibrator for atomizing the cooling water from the cooling water supply pipe is attached to the steam passage.

本発明の蒸気減温装置は、冷却水供給管の一端に冷却水スプレーノズルを取り付けると共に、蒸気通路に超音波振動子を取り付けたことにより、スプレーノズルで高音蒸気中に冷却水を噴射して蒸気を減温すると共に、超音波振動子によって冷却水を霧化して高温蒸気の全体に且つ均一に混合させることができ、高温蒸気を温度ムラなく減温することができる。   The steam temperature reducing device of the present invention has a cooling water spray nozzle attached to one end of a cooling water supply pipe, and an ultrasonic vibrator is attached to the steam passage so that cooling water is injected into the high-frequency steam by the spray nozzle. The temperature of the steam can be reduced, and the cooling water can be atomized by the ultrasonic vibrator to uniformly mix the high-temperature steam with the whole, so that the high-temperature steam can be reduced in temperature without unevenness.

本発明は、スプレーノズルで冷却水を噴射すると共に超音波振動子により冷却水を霧化するものであり、スプレーノズルと超音波振動子の取り付け位置は、両者を一体的に取り付けることも、あるいは、一方を蒸気通路の上流側で他方を下流側へ取り付けることもできる。   In the present invention, the cooling water is sprayed by the spray nozzle and the cooling water is atomized by the ultrasonic vibrator, and the mounting position of the spray nozzle and the ultrasonic vibrator may be integrally attached to each other, or One can be attached to the upstream side of the steam passage and the other to the downstream side.

図１は、本発明の１実施例の構成図であって、過熱状態の高温蒸気が流下する蒸気通路１と、蒸気通路１に設けたスプレーノズル部２と、スプレーノズル部２へ冷却水を供給する冷却水供給管３、及び、蒸気通路１に取り付けた超音波振動子４とで蒸気減温装置を構成する。   FIG. 1 is a configuration diagram of one embodiment of the present invention, in which a steam passage 1 through which high temperature steam in an overheated state flows down, a spray nozzle portion 2 provided in the steam passage 1, and cooling water to the spray nozzle portion 2 are shown. The cooling water supply pipe 3 to be supplied and the ultrasonic vibrator 4 attached to the steam passage 1 constitute a steam temperature reducing device.

スプレーノズル部２は、蒸気通路１と接続した本体１１と、本体１１内部に配置したノズル１２とで構成する。ノズル１２のスプレーノズル１３から蒸気通路１内へ冷却水を噴射すると共に、ノズル１２の冷却水供給部１４から本体１１の底部へ冷却水を供給して、後述する超音波振動子４の冷却水溜部１５へ冷却水を所定量溜めることができるものである。   The spray nozzle unit 2 includes a main body 11 connected to the steam passage 1 and a nozzle 12 disposed inside the main body 11. Cooling water is injected into the steam passage 1 from the spray nozzle 13 of the nozzle 12, and cooling water is supplied from the cooling water supply unit 14 of the nozzle 12 to the bottom of the main body 11, so that a cooling water reservoir for the ultrasonic transducer 4 described later is supplied. A predetermined amount of cooling water can be stored in the section 15.

蒸気通路１の超音波振動子４の二次側通路５には、減温された蒸気の温度を検出する温度センサ６を取り付けて、図示しない減温蒸気使用箇所と接続する。冷却水溜部１５の外周に取り付けた超音波振動子４でもって溜部１５内の冷却水を霧化することにより、上述したスプレーノズル１３からの冷却水の噴射とあいまって、この霧状の冷却水と蒸気通路１を流下してくる高温蒸気とを均一に混合することができるものである。   A temperature sensor 6 for detecting the temperature of the reduced-temperature steam is attached to the secondary-side path 5 of the ultrasonic transducer 4 in the steam path 1 and connected to a location where the reduced-temperature steam is not shown. By atomizing the cooling water in the reservoir 15 with the ultrasonic vibrator 4 attached to the outer periphery of the cooling water reservoir 15, this mist-like cooling is combined with the above-described injection of the cooling water from the spray nozzle 13. Water and high-temperature steam flowing down the steam passage 1 can be mixed uniformly.

冷却水供給管３には制御弁９を取り付けると共に、冷却水ポンプ７及び冷却水タンク８と接続する。冷却水タンク８には、冷却水を補給する冷却水補給管１０を接続する。冷却水タンク８内の冷却水を、ポンプ７によってスプレーノズル部２と冷却水溜部１５へ供給するものであり、この冷却水の供給量を、温度センサ６の検出値に応じて制御弁９の開度を調節することによって任意に制御することができるものである。   A control valve 9 is attached to the cooling water supply pipe 3 and is connected to the cooling water pump 7 and the cooling water tank 8. A cooling water supply pipe 10 for supplying cooling water is connected to the cooling water tank 8. The cooling water in the cooling water tank 8 is supplied to the spray nozzle unit 2 and the cooling water reservoir 15 by the pump 7, and this cooling water supply amount is controlled by the control valve 9 according to the detection value of the temperature sensor 6. It can be arbitrarily controlled by adjusting the opening.

本発明の蒸気減温装置の実施例を示す構成図。The block diagram which shows the Example of the steam temperature decreasing apparatus of this invention.

符号の説明Explanation of symbols

１ 蒸気通路
２ スプレーノズル部
３ 冷却水供給管
４ 超音波振動子
６ 温度センサ
７ 冷却水ポンプ
８ 冷却水タンク
９ 制御弁
１２ ノズル
１５ 冷却水溜部
DESCRIPTION OF SYMBOLS 1 Steam passage 2 Spray nozzle part 3 Cooling water supply pipe 4 Ultrasonic vibrator 6 Temperature sensor 7 Cooling water pump 8 Cooling water tank 9 Control valve 12 Nozzle 15 Cooling water reservoir

Claims (1)

蒸気通路を流下する高温蒸気へ冷却流体を供給して、当該高温蒸気を所定温度状態の蒸気へ減温するものにおいて、蒸気通路に冷却水を供給する冷却水供給管を接続して、当該冷却水供給管の一端に冷却水スプレーノズルを取り付けると共に、蒸気通路に冷却水供給管からの冷却水を霧化する超音波振動子を取り付けたことを特徴とする蒸気減温装置。
A cooling fluid is supplied to the high-temperature steam flowing down the steam passage to reduce the temperature of the high-temperature steam to steam in a predetermined temperature state, and a cooling water supply pipe for supplying cooling water to the steam passage is connected to the cooling fluid. A steam temperature reducing device having a cooling water spray nozzle attached to one end of a water supply pipe and an ultrasonic vibrator for atomizing the cooling water from the cooling water supply pipe attached to the steam passage.
JP2004267662A 2004-09-15 2004-09-15 Steam attemperator Pending JP2006084075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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JP2004267662A JP2006084075A (en) 2004-09-15 2004-09-15 Steam attemperator

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776263U (en) * 1980-10-29 1982-05-11
JPS61119911A (en) * 1984-11-15 1986-06-07 Matsushita Electric Ind Co Ltd Liquid fuel catalyst burner
JPS6377566A (en) * 1986-09-17 1988-04-07 Ngk Spark Plug Co Ltd Ultrasonic vibration type liquid atomizer
JPS63140417A (en) * 1986-12-03 1988-06-13 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPH028674A (en) * 1988-06-24 1990-01-12 Yoshihiro Hayashi Cooling tank for hot melt
JPH0288635U (en) * 1988-09-30 1990-07-13
JP2002276902A (en) * 2001-03-15 2002-09-25 Tlv Co Ltd Control device for dryness or wetness of two-phase fluid
JP2003329213A (en) * 2002-05-15 2003-11-19 Tlv Co Ltd Steam desuperheater

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776263U (en) * 1980-10-29 1982-05-11
JPS61119911A (en) * 1984-11-15 1986-06-07 Matsushita Electric Ind Co Ltd Liquid fuel catalyst burner
JPS6377566A (en) * 1986-09-17 1988-04-07 Ngk Spark Plug Co Ltd Ultrasonic vibration type liquid atomizer
JPS63140417A (en) * 1986-12-03 1988-06-13 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPH028674A (en) * 1988-06-24 1990-01-12 Yoshihiro Hayashi Cooling tank for hot melt
JPH0288635U (en) * 1988-09-30 1990-07-13
JP2002276902A (en) * 2001-03-15 2002-09-25 Tlv Co Ltd Control device for dryness or wetness of two-phase fluid
JP2003329213A (en) * 2002-05-15 2003-11-19 Tlv Co Ltd Steam desuperheater

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