JPS624529B2 - - Google Patents
Info
- Publication number
- JPS624529B2 JPS624529B2 JP20353381A JP20353381A JPS624529B2 JP S624529 B2 JPS624529 B2 JP S624529B2 JP 20353381 A JP20353381 A JP 20353381A JP 20353381 A JP20353381 A JP 20353381A JP S624529 B2 JPS624529 B2 JP S624529B2
- Authority
- JP
- Japan
- Prior art keywords
- working medium
- condenser
- power generation
- plant
- boiling point
- 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.)
- Expired
Links
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical group FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 12
- 239000000498 cooling water Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Description
【発明の詳細な説明】
本発明は、タービン作動媒体に、低沸点媒体を
用いた発電プラントに関する。特に、系統から非
凝縮ガスを排気するために設けた抽気装置の信頼
性と経済性を上げるに好適な低沸点媒体利用ター
ビン発電プラントに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power plant using a low boiling point medium as a turbine working medium. In particular, the present invention relates to a turbine power generation plant using a low boiling point medium suitable for increasing the reliability and economic efficiency of an extraction device provided for exhausting non-condensable gas from a system.
低沸点媒体として通常使用されるものは、フロ
ン等の有機媒体であり、微量ではあるが熱分解し
て、熱分解生成物を発生するので、凝縮器から排
出する必要がある。この系統は抽気装置と呼ばれ
第１図のように、圧縮機３によつて加圧し、アフ
タークーラ２によつて冷却して、作動媒体は液化
させ、残りの熱分解生成物は残存空気と共に系外
へ排除される。しかるに、従来のプラントではア
フタークーラーの冷却源に冷却水を用いていたた
め、冷却水インリークの可能性があること、冷却
水で熱を系外に捨てるので効率が悪いなどの欠点
があつた。 Organic media such as chlorofluorocarbons are commonly used as low boiling point media, and they thermally decompose to generate thermal decomposition products, albeit in small amounts, which must be discharged from the condenser. This system is called an air bleed system, and as shown in Figure 1, it is pressurized by a compressor 3, cooled by an aftercooler 2, the working medium is liquefied, and the remaining pyrolysis products are released together with the remaining air. Excluded from the system. However, in conventional plants, cooling water was used as the cooling source for the aftercooler, which had drawbacks such as the possibility of cooling water in-leakage and poor efficiency as heat was dissipated outside the system using cooling water.
本発明の目的は、信頼性の高い、しかも熱効率
が向上された低沸点媒体利用発電プラントを提供
することにある。 An object of the present invention is to provide a power generation plant using a low boiling point medium that is highly reliable and has improved thermal efficiency.
冷却源に、冷却水を用いている限り、水リーク
の危険性があるので、リークしても支障のない低
温流体で冷却するのが最良である。本プラントで
は、凝縮器で液化された低温のフロンがあり、し
かも、その圧力を高めるためのポンプも付いてい
るので、一部分のフロン液をバイアスさせて、抽
気装置アフタークーラーへ送り込み、しかも、熱
交換特性を良くするために、伝熱管のない直接々
触熱交換方式を採用した。 As long as cooling water is used as a cooling source, there is a risk of water leakage, so it is best to use a low-temperature fluid that does not cause any problems even if it leaks. In this plant, there is low-temperature fluorocarbons liquefied in the condenser, and a pump is also installed to increase the pressure, so a portion of the fluorocarbon liquid is biased and sent to the aftercooler of the extraction device, and the heat is In order to improve the exchange characteristics, we adopted a direct catalytic heat exchange method without heat transfer tubes.
以下、本発明の一実施例を第２図により説明す
る。凝縮器１から圧縮機３によつて抽気された非
凝縮性ガスは直接式熱交換器８に導かれる。他
方、凝縮器１で液化されたフロン液６は、フイー
ドポンプ７によつて昇圧され、ボイラに圧送され
るが、そのうちの１部は、フロン液中不純物処理
装置５を経由して、凝縮器１に再循環されている
ので、この配管の途中から適当な量、圧力のフロ
ン液を直接式熱交換器８に導き、器内で混合して
熱交換させ、気液分離させて、非凝縮性ガス１０
は系外へ、また、冷却用のフロン液と、抽気の中
から凝縮液化させたフロンは凝縮器１に還流させ
る。 An embodiment of the present invention will be described below with reference to FIG. The non-condensable gas extracted from the condenser 1 by the compressor 3 is led to a direct heat exchanger 8. On the other hand, the fluorocarbon liquid 6 liquefied in the condenser 1 is pressurized by the feed pump 7 and sent to the boiler. Since the fluorocarbon liquid is recirculated at an appropriate amount and pressure from the middle of this piping, it is directly led to the heat exchanger 8, where it is mixed and exchanged heat, separated into gas and liquid, and converted into a non-condensable gas 10
The fluorocarbon liquid for cooling and the fluorocarbons condensed and liquefied from the extracted air are returned to the condenser 1.
直接式熱交換器内の圧力に対応させて、冷却フ
ロン液の供給圧力を設定する必要があるが、その
最も簡便な方法は第２図のようにオリフイス１１
を設けることである。また、供給流量は、液面計
９の指示値を制御器１３に入れ、バルブ１２の開
度を制御させる。 It is necessary to set the supply pressure of the cooling freon liquid in accordance with the pressure inside the direct heat exchanger, but the easiest way to do this is to
It is to establish. Further, regarding the supply flow rate, the indicated value of the liquid level gauge 9 is inputted into the controller 13, and the opening degree of the valve 12 is controlled.
本発明によれば、抽気装置系統から冷却水系統
がなくなるので、水が混入するおそれがない。一
般にフロン系へ水が漏れ込むとフロンを加水分解
する性質があるが、本発明によれば、そのおそれ
がなくなるので、プラントの信頼性が大巾に向上
する。 According to the present invention, since the cooling water system is eliminated from the air bleed system, there is no risk of water contamination. Generally, when water leaks into a fluorocarbon system, it tends to hydrolyze the fluorocarbon, but according to the present invention, this risk is eliminated, and the reliability of the plant is greatly improved.
さらに、本発明によれば、従来アフタークーラ
ーの冷却熱を、冷却水を通して系外に捨てていた
ことを改善できる。すなわち、冷却器でフロン液
に回収された熱は、フロン液のエンタルピ上昇分
として熱効率の向上に寄与できる可能性がある。 Further, according to the present invention, it is possible to improve the conventional method in which the cooling heat of the aftercooler is discarded outside the system through cooling water. That is, the heat recovered by the fluorocarbon liquid in the cooler may contribute to an improvement in thermal efficiency by increasing the enthalpy of the fluorocarbon liquid.
本発明によれば、低沸点媒体をタービン作動媒
体とする発電プラントの抽気装置系からの水漏れ
事故がなくなるので、発電プラントの停止事故回
数が減少し稼動率が向上する。また、加水分解性
のある低沸点媒体の場合は、水漏れによつて、腐
食性の強い分解生成物の発生量が増加し、構造機
の腐食率を増加させる原因になりうるが、本発明
によれば、それを回避できるので、発電プラント
の耐用年数が伸びる。 According to the present invention, water leakage accidents from the extraction system of a power plant that uses a low boiling point medium as a turbine working medium are eliminated, so the number of power plant stoppage accidents is reduced and the operating rate is improved. In addition, in the case of a hydrolyzable low-boiling medium, water leakage may increase the amount of highly corrosive decomposition products generated, which may increase the corrosion rate of structural machinery. According to , this can be avoided, extending the useful life of the power plant.
さらに、冷却水に捨てていた熱を、フロン液の
エンタルピ上昇分として回収できるので、熱エネ
ルギの利用効率が向上する。 Furthermore, the heat that was wasted in the cooling water can be recovered as the enthalpy increase in the fluorocarbon liquid, improving the efficiency of thermal energy use.
第１図は、低沸点媒体発電プラントの抽気装置
系統の従来例を示したフロー線図、第２図は、本
発明の一実施例を示した抽気装置系統のフロー線
図である。
１……フロン凝縮器、８……直接式熱交換器、
９……液面計、１０……非凝縮性ガス、１１……
オリフイス、１２……弁、１３……制御器、１４
……冷却用フロン液。
FIG. 1 is a flow diagram showing a conventional example of an extraction system of a low boiling point medium power generation plant, and FIG. 2 is a flow diagram of an extraction system according to an embodiment of the present invention. 1... Freon condenser, 8... Direct heat exchanger,
9...Liquid level gauge, 10...Non-condensable gas, 11...
Orifice, 12...Valve, 13...Controller, 14
...Freon liquid for cooling.
Claims (1)
電プラントにおいて、前記発電プラントを構成す
る凝縮器中の非凝縮性ガスの抽気装置系統に直接
接触式熱交換器を設け、その冷却源としてタービ
ン作動媒体の凝縮液の一部を循環使用することを
特徴とするバイナリ発電プラント凝縮器の抽気装
置。 ２ 作動媒体が室温で蒸気圧が大気圧より低いフ
ロンを用いたことを特徴とする特許請求の範囲第
１項に記載の抽気装置。[Scope of Claims] 1. In a power generation plant using a low boiling point medium as a turbine working medium, a direct contact heat exchanger is provided in a non-condensable gas bleed system in a condenser constituting the power generation plant, and the A bleed system for a binary power plant condenser, characterized in that a part of the condensate of the turbine working medium is circulated and used as a cooling source. 2. The air extraction device according to claim 1, wherein the working medium is fluorocarbon whose vapor pressure is lower than atmospheric pressure at room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20353381A JPS58106108A (en) | 1981-12-18 | 1981-12-18 | Binary power plant condenser extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20353381A JPS58106108A (en) | 1981-12-18 | 1981-12-18 | Binary power plant condenser extraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58106108A JPS58106108A (en) | 1983-06-24 |
| JPS624529B2 true JPS624529B2 (en) | 1987-01-30 |
Family
ID=16475723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20353381A Granted JPS58106108A (en) | 1981-12-18 | 1981-12-18 | Binary power plant condenser extraction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58106108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0346629U (en) * | 1989-09-01 | 1991-04-30 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176707A (en) * | 1984-09-21 | 1986-04-19 | Hisaka Works Ltd | Exhaust heat recovery device |
| JPS6176708A (en) * | 1984-09-21 | 1986-04-19 | Hisaka Works Ltd | Exhaust heat recovery device |
| DE10245935A1 (en) * | 2002-09-30 | 2004-05-19 | Alstom (Switzerland) Ltd. | Venting / degassing system for power plant condensers |
| WO2013027643A1 (en) * | 2011-08-19 | 2013-02-28 | 富士電機株式会社 | Power generating device |
-
1981
- 1981-12-18 JP JP20353381A patent/JPS58106108A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0346629U (en) * | 1989-09-01 | 1991-04-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58106108A (en) | 1983-06-24 |
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