JPH094419A - Actual head and actual fall testing device - Google Patents
Actual head and actual fall testing deviceInfo
- Publication number
- JPH094419A JPH094419A JP15010595A JP15010595A JPH094419A JP H094419 A JPH094419 A JP H094419A JP 15010595 A JP15010595 A JP 15010595A JP 15010595 A JP15010595 A JP 15010595A JP H094419 A JPH094419 A JP H094419A
- Authority
- JP
- Japan
- Prior art keywords
- pump
- low boiling
- boiling point
- steam turbine
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は水車およびポンプの実揚
程実落差試験に適用される試験装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a test apparatus applied to an actual head and head test of a water turbine and a pump.
【0002】[0002]
【従来の技術】図2は従来の実揚程実落差試験装置の系
統図である。この装置は、水車またはポンプの構造の確
認や、振動の状態を、実際の稼働と同じ条件の下で調べ
るために使われるものである。図において、1はポン
プ、2は水車、3は蒸気タービン、9はポンプ駆動軸、
10は水車軸、11は蒸気タービン軸、12は上記各軸
に取付けられているギアであり、それらは図示のように
噛み合っている。14は冷却用熱交換器、7はポンプ1
から水車2、および熱交換器14を経由し、ポンプ1に
戻る水循環管路、13は図示していないボイラから蒸気
を蒸気タービン3に送り、再びボイラーへ戻る蒸気管路
である。2. Description of the Related Art FIG. 2 is a system diagram of a conventional actual head and actual head test device. This device is used to check the structure of the turbine or pump and to check the vibration condition under the same conditions as in actual operation. In the figure, 1 is a pump, 2 is a water turbine, 3 is a steam turbine, 9 is a pump drive shaft,
Reference numeral 10 is a water turbine shaft, 11 is a steam turbine shaft, and 12 is a gear attached to each of the shafts, which are meshed with each other as shown in the drawing. 14 is a heat exchanger for cooling, 7 is a pump 1
From the water turbine 2 to the pump 1 via the water turbine 2 and the heat exchanger 14, and 13 is a steam pipeline from the boiler (not shown) to send steam to the steam turbine 3 and back to the boiler.
【0003】本装置において、ポンプ1は羽根車の回転
によって水車2にヘッドを与え、水車2は回転によって
得られる軸出力を水車軸10を介してポンプ駆動軸9へ
入力し、ポンプ1の駆動力とする。しかしながら管路損
失などによって、水車2の出力はポンプ1の必要とする
入力より小さく、ポンプ1が所要のヘッドを発生するた
めには水車2の出力に蒸気タービン3の出力を加え合わ
せる必要がある。このため、蒸気管路13から蒸気が送
られ、蒸気タービン3が駆動され、ポンプ1の駆動力の
一部とされる。上記の水循環管路内での管路損失はほと
んど熱となるので、冷却用の熱交換器14によって熱を
吸収し排棄している。このような構成の装置において
は、水車2が供試体であり、その入口圧力、出口圧力、
回転数、および管路内での流量を計測するため、圧力
計、回転数計、流量計が設置され、これらによって試験
状況が確認される。上記構成は水車の試験の場合の構成
であるが、ポンプの試験を行う場合にはポンプ1と水車
2の位置を取り替え、元の水車の位置でポンプの試験を
行う。In this apparatus, the pump 1 gives a head to the water turbine 2 by the rotation of the impeller, and the water turbine 2 inputs the shaft output obtained by the rotation to the pump drive shaft 9 via the water turbine shaft 10 to drive the pump 1. Use as power. However, the output of the water turbine 2 is smaller than the input required by the pump 1 due to line loss and the like, and it is necessary to add the output of the steam turbine 3 to the output of the water turbine 2 in order for the pump 1 to generate the required head. . Therefore, steam is sent from the steam pipe 13, the steam turbine 3 is driven, and it is used as a part of the driving force of the pump 1. Since the pipe loss in the water circulation pipe is almost heat, the heat is absorbed and discharged by the heat exchanger 14 for cooling. In the apparatus having such a configuration, the water turbine 2 is the specimen, and its inlet pressure, outlet pressure,
A pressure gauge, a tachometer, and a flow meter are installed to measure the rotation speed and the flow rate in the pipeline, and the test situation is confirmed by these. The above configuration is the configuration for the turbine test, but when performing the pump test, the positions of the pump 1 and the turbine 2 are exchanged, and the pump test is performed at the original position of the turbine.
【0004】[0004]
【発明が解決しようとする課題】従来の装置においては
水循環回路の温度上昇抑制のために熱エネルギーを取り
出して廃棄していた。また蒸気タービン駆動用のために
外部から熱エネルギーを供給していた。したがってはな
はだしく熱エネルギーの無駄が生じていた。In the conventional apparatus, the heat energy was taken out and discarded in order to suppress the temperature rise of the water circulation circuit. Also, heat energy was supplied from the outside to drive the steam turbine. Therefore, the heat energy was wasted.
【0005】本発明は上記従来技術の欠点を解消し、廃
棄していた熱エネルギーを蒸気タービン駆動用に用いる
ことによって、熱エネルギーを有効に利用し、試験装置
の総合的熱効率の向上を図ろうとするものである。The present invention aims to solve the above-mentioned drawbacks of the prior art and to effectively use the thermal energy by using the discarded thermal energy for driving the steam turbine to improve the overall thermal efficiency of the test apparatus. To do.
【0006】[0006]
【課題を解決するための手段】本発明は上記課題を解決
したものであって、それぞれの回転軸に設けられたギア
の噛み合いによって連動するよう配置されたポンプ、水
車、及び蒸気タービン、並びに前記ポンプと水車の間に
設けられた水循環管路を備え、加熱された媒体を前記蒸
気タービンに供給して回転させ前記ポンプ或いは水車の
試験を行う実揚程実落差試験装置において、前記水循環
管路に熱回収用熱交換器を設け、同熱回収用熱交換器と
前記蒸気タービンとの間に低沸点媒体循環管路を設け、
且つ同低沸点媒体循環管路に低沸点媒体圧送用ポンプと
低沸点媒体加熱用熱交換器を設けたことを特徴とする実
揚程実落差試験装置に関するものである。DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems and includes a pump, a water turbine, and a steam turbine, which are arranged so as to be interlocked with each other by meshing gears provided on respective rotary shafts, and In the actual head actual head test device for testing the pump or the water turbine, which is provided with a water circulation pipe provided between the pump and the water turbine, and supplies the heated medium to the steam turbine to rotate the water circulation pipe to the water circulation pipe. A heat recovery heat exchanger is provided, and a low boiling point medium circulation pipeline is provided between the heat recovery heat exchanger and the steam turbine.
Further, the present invention relates to an actual head and actual head difference test device characterized in that a pump for feeding a low boiling point medium and a heat exchanger for heating the low boiling point medium are provided in the low boiling point medium circulation pipe line.
【0007】[0007]
【作用】水循環管路中の管路損失によって生じた熱エネ
ルギーを熱回収用熱交換器で回収し、低沸点媒体加熱用
熱交換器に外部から加えられた熱と併せて、低沸点媒体
を気化させ、蒸気タービンを駆動する。従来水循環管路
中に発生した熱は廃棄されていたが、本発明では廃棄さ
れる熱は無いので、熱エネルギーの有効利用を図ること
ができる。[Operation] The heat energy generated by the line loss in the water circulation line is recovered by the heat recovery heat exchanger, and the low boiling point medium is collected together with the heat applied from the outside to the low boiling point medium heating heat exchanger. It vaporizes and drives a steam turbine. Conventionally, the heat generated in the water circulation pipe has been discarded, but in the present invention, since there is no heat to be discarded, it is possible to effectively utilize thermal energy.
【0008】[0008]
【実施例】図1は本発明の一実施例に係る実揚程実落差
試験装置の系統図である。図において、ポンプ1、水車
2、蒸気タービン3、ポンプ駆動軸9、水車軸10、蒸
気タービン軸11、ギア12、および水循環管路7の配
置構成は従来技術(図2)と同じである。4は水車2か
らポンプ1へ戻る水の管路7上に設けられた熱回収用熱
交換器、8は同熱回収用熱交換器4から蒸気タービン3
を経て再び前記熱回収用熱交換器4に戻る低沸点媒体循
環管路、6は同管路8の戻り側の管路に設けられた低沸
点媒体用ポンプ、5は同じく同管路8の戻り側管路に設
けられた加熱用熱交換器であり、低沸点媒体加熱のため
に外部から熱が供給される。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system diagram of an actual head and actual head test device according to an embodiment of the present invention. In the figure, the arrangement configuration of the pump 1, the water turbine 2, the steam turbine 3, the pump drive shaft 9, the water turbine shaft 10, the steam turbine shaft 11, the gear 12, and the water circulation pipeline 7 is the same as that of the conventional technique (FIG. 2). Reference numeral 4 denotes a heat recovery heat exchanger provided on a pipe line 7 for water returning from the water turbine 2 to the pump 1, and 8 denotes the heat recovery heat exchanger 4 to the steam turbine 3
Via the low boiling point medium circulation pipe returning to the heat recovery heat exchanger 4 again, 6 is a low boiling point medium pump provided in the return side pipe line of the pipe line 5, and 5 is also the same line 8 It is a heat exchanger for heating provided in the return side pipe, and heat is supplied from the outside for heating the low boiling point medium.
【0009】本装置において、ポンプ駆動軸9は、水車
軸10と蒸気タービン軸11の出力により、ギア12を
介して駆動される。これによってポンプ1が駆動され
る。ポンプ1は水循環管路7を介して水車2にヘッドを
与え、回転力を与える。水車2を出た水は、再びポンプ
1へ戻るが、この循環において損失が生じ、水循環管路
7内において熱エネルギーに転化する。In this apparatus, the pump drive shaft 9 is driven via the gear 12 by the outputs of the water turbine shaft 10 and the steam turbine shaft 11. This drives the pump 1. The pump 1 gives a head to the water turbine 2 through a water circulation pipe line 7 to give a rotational force. The water leaving the water turbine 2 returns to the pump 1 again, but a loss occurs in this circulation, and is converted into thermal energy in the water circulation pipe line 7.
【0010】低沸点媒体循環管路8において、蒸気ター
ビン3から出て液化した低沸点媒体は低沸点媒体用ポン
プ6で圧送され、加熱用熱交換器5で加熱され、さらに
熱回収用熱交換器4によって前記の水循環管路7内の熱
を回収して気化し、蒸気タービン3へ送られ、それを駆
動する。蒸気タービン3を出た低沸点媒体は次第に液化
し、再びポンプ6で圧送され循環する。In the low-boiling-point medium circulation pipe 8, the low-boiling-point medium liquefied from the steam turbine 3 is pumped by the low-boiling-point medium pump 6, heated by the heating heat exchanger 5, and further heat recovery heat exchange. The heat in the water circulation pipe 7 is recovered and vaporized by the vessel 4 and sent to the steam turbine 3 to drive it. The low boiling point medium that has left the steam turbine 3 is gradually liquefied, and is pumped again by the pump 6 to circulate.
【0011】本実施例は、このように従来廃棄していた
熱エネルギーを有効にサイクルに戻すことができ、実揚
程実落差試験のトータル効率を向上させることができ
る。そのため試験のランニングコストを大幅に低下させ
ることが可能となる。In this embodiment, the thermal energy which has been conventionally discarded can be effectively returned to the cycle, and the total efficiency of the actual head and actual head difference test can be improved. Therefore, it is possible to significantly reduce the running cost of the test.
【0012】[0012]
【発明の効果】本発明の実揚程実落差試験装置において
は、前記水循環管路に熱回収用熱交換器を設け、同熱回
収用熱交換器と前記蒸気タービンとの間に低沸点媒体循
環管路を設け、且つ同低沸点媒体循環管路に低沸点媒体
圧送用ポンプと低沸点媒体加熱用熱交換器を設けてある
ので、従来廃棄していた水循環管路内に生じた熱を回収
し、蒸気タービン駆動用に用いるので、エネルギーが有
効に利用され、試験装置の総合的熱効率の向上を図るこ
とができる。In the actual head and actual head test device of the present invention, a heat recovery heat exchanger is provided in the water circulation pipe, and a low boiling point medium circulation is provided between the heat recovery heat exchanger and the steam turbine. Since a pipe line is provided and a pump for pumping a low boiling point medium and a heat exchanger for heating a low boiling point medium are provided in the low boiling point medium circulation line, the heat generated in the water circulating pipe line that was conventionally discarded is recovered. However, since it is used for driving a steam turbine, energy is effectively used, and the overall thermal efficiency of the test apparatus can be improved.
【図1】本発明の一実施例に係る実揚程実落差試験装置
の系統図。FIG. 1 is a system diagram of an actual head and actual head test device according to an embodiment of the present invention.
【図2】従来の実揚程実落差試験装置の系統図。FIG. 2 is a system diagram of a conventional actual head and actual head test device.
1 ポンプ 2 水車 3 蒸気タービン 4 熱回収用熱交換器 5 加熱用熱交換器 6 低沸点媒体用ポンプ 7 水循環管路 8 低沸点媒体循環管路 9 ポンプ駆動軸 10 水車軸 11 蒸気タービン軸 12 ギア 13 蒸気管路 14 冷却用熱交換器 1 Pump 2 Water Turbine 3 Steam Turbine 4 Heat Recovery Heat Exchanger 5 Heating Heat Exchanger 6 Low Boiling Medium Pump 7 Water Circulation Pipeline 8 Low Boiling Medium Circulation Pipeline 9 Pump Drive Shaft 10 Water Turbine Shaft 11 Steam Turbine Shaft 12 Gear 13 steam line 14 heat exchanger for cooling
Claims (1)
み合いによって連動するよう配置されたポンプ、水車、
及び蒸気タービン、並びに前記ポンプと水車の間に設け
られた水循環管路を備え、加熱された媒体を前記蒸気タ
ービンに供給して回転させ前記ポンプ或いは水車の試験
を行う実揚程実落差試験装置において、前記水循環管路
に熱回収用熱交換器を設け、同熱回収用熱交換器と前記
蒸気タービンとの間に低沸点媒体循環管路を設け、且つ
同低沸点媒体循環管路に低沸点媒体圧送用ポンプと低沸
点媒体加熱用熱交換器を設けたことを特徴とする実揚程
実落差試験装置。1. A pump, a water turbine, which is arranged so as to interlock with each other by meshing gears provided on respective rotary shafts,
And a steam turbine, and a water circulation pipe line provided between the pump and the water turbine, and an actual head actual head test device for testing the pump or the water turbine by supplying a heated medium to the steam turbine to rotate the medium. , A heat recovery heat exchanger is provided in the water circulation pipe, a low boiling medium circulation pipe is provided between the heat recovery heat exchanger and the steam turbine, and a low boiling medium circulation pipe is provided in the low boiling medium circulation pipe. An actual head lifting test apparatus, which is equipped with a medium pressure pump and a heat exchanger for heating a low boiling point medium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15010595A JPH094419A (en) | 1995-06-16 | 1995-06-16 | Actual head and actual fall testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15010595A JPH094419A (en) | 1995-06-16 | 1995-06-16 | Actual head and actual fall testing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH094419A true JPH094419A (en) | 1997-01-07 |
Family
ID=15489617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15010595A Withdrawn JPH094419A (en) | 1995-06-16 | 1995-06-16 | Actual head and actual fall testing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH094419A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104154017A (en) * | 2014-07-29 | 2014-11-19 | 南通理工学院 | Water pump detection system |
CN106286368A (en) * | 2016-10-13 | 2017-01-04 | 上海市城市排水有限公司机修安装分公司 | A kind of municipal drainage axial-flow pump maintenance examination truck control device |
CN109975057A (en) * | 2019-05-10 | 2019-07-05 | 湖南工程学院 | The quasi- two-stage compressed air source heat pump water heater experimental test procedures of Gas-supplying enthalpy-increasing |
CN110823616A (en) * | 2019-11-21 | 2020-02-21 | 青岛大学 | Desktop type self-supply water heat exchanger performance testing device |
-
1995
- 1995-06-16 JP JP15010595A patent/JPH094419A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104154017A (en) * | 2014-07-29 | 2014-11-19 | 南通理工学院 | Water pump detection system |
CN106286368A (en) * | 2016-10-13 | 2017-01-04 | 上海市城市排水有限公司机修安装分公司 | A kind of municipal drainage axial-flow pump maintenance examination truck control device |
CN109975057A (en) * | 2019-05-10 | 2019-07-05 | 湖南工程学院 | The quasi- two-stage compressed air source heat pump water heater experimental test procedures of Gas-supplying enthalpy-increasing |
CN110823616A (en) * | 2019-11-21 | 2020-02-21 | 青岛大学 | Desktop type self-supply water heat exchanger performance testing device |
CN110823616B (en) * | 2019-11-21 | 2021-04-27 | 青岛大学 | Desktop type self-supply water heat exchanger performance testing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020903 |