JPS618476A - Recovering method of energy in high-pressure tower - Google Patents
Recovering method of energy in high-pressure towerInfo
- Publication number
- JPS618476A JPS618476A JP59128308A JP12830884A JPS618476A JP S618476 A JPS618476 A JP S618476A JP 59128308 A JP59128308 A JP 59128308A JP 12830884 A JP12830884 A JP 12830884A JP S618476 A JPS618476 A JP S618476A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- energy recovery
- fluid
- induction generator
- recovery turbine
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000012530 fluid Substances 0.000 claims abstract description 48
- 238000011084 recovery Methods 0.000 claims abstract description 37
- 230000006698 induction Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract description 6
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 102000018251 Hypoxanthine Phosphoribosyltransferase Human genes 0.000 description 1
- 108010091358 Hypoxanthine Phosphoribosyltransferase Proteins 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Water Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、高圧プラント運転における流体エネルギーを
効率よく回収して有効利用を図るエネルギー回°収方法
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an energy recovery method for efficiently recovering and effectively utilizing fluid energy during high-pressure plant operation.
［背景技術とその問題点］
従来、例えば粗製ガソリンを熱分解等の処理をしてベン
ゼン、トルエン、又はキシレン等の芳香族を製造する工
程等においては、高圧反応塔が用いられている。高圧反
応塔では省エネルギーの立場から流体が有している高圧
エネルギーをタービン等を用いて回収している。[Background Art and Problems Therein] Conventionally, high-pressure reaction towers have been used, for example, in the process of producing aromatics such as benzene, toluene, or xylene by subjecting crude gasoline to a treatment such as thermal decomposition. In the high-pressure reaction tower, the high-pressure energy contained in the fluid is recovered using a turbine or the like in order to save energy.
第２図は、従来の高圧反応塔における流体エネルギー回
収の例で、高圧反応塔工は冷却器２、流体エネルギー回
収タービン（ＨＰＲＴ）３を介して気液分離槽４に連結
されている。高圧反応塔ｌと冷却器２どの間には、圧力
調節計５が設けられ、この圧力調節計５により制御され
る制御弁６が前記冷却器２と流体エネルギ′−回収ター
ビン３との間に設けられている。FIG. 2 shows an example of fluid energy recovery in a conventional high pressure reaction tower, in which the high pressure reaction tower is connected to a gas-liquid separation tank 4 via a cooler 2 and a fluid energy recovery turbine (HPRT) 3. A pressure regulator 5 is provided between the high pressure reactor 1 and the cooler 2, and a control valve 6 controlled by the pressure regulator 5 is provided between the cooler 2 and the fluid energy recovery turbine 3. It is provided.
前記流体エネルギー回収タービン３には、原料供給ポン
プ７が連結される。ポンプ７は、また電動機８にも連結
され、電動機８は電源９に接続され、これによりポンプ
７はタービン３或いは電動機８により駆動されるように
なっている。A raw material supply pump 7 is connected to the fluid energy recovery turbine 3 . The pump 7 is also connected to an electric motor 8, which is connected to a power source 9, so that the pump 7 is driven by the turbine 3 or the electric motor 8.
このような構成において、前記高圧反応塔ｌの排出口た
る塔頂口ＩＡからでた反応生成物である流体は、冷却器
２で冷却された後、流体エネルギー回収タービン３に入
り、その流体エネルギー回収タービン３で流体自身が保
有している高圧の落差（常圧に対する圧力差）エネルギ
ーを回収された後、気液分離＃ａ４に入り、そこで気体
と液体に分離され、次の工程に移る。このタービン３に
回収されたエネルギーによりポンプ７が回転され、所要
の原料の供給がなされる。In such a configuration, the fluid which is the reaction product coming out from the top port IA which is the outlet of the high-pressure reaction tower 1 is cooled by the cooler 2, and then enters the fluid energy recovery turbine 3, where the fluid energy is recovered. After the high-pressure head (pressure difference with respect to normal pressure) energy possessed by the fluid itself is recovered in the recovery turbine 3, the fluid enters gas-liquid separation #a4, where it is separated into gas and liquid, and moves on to the next process. The pump 7 is rotated by the energy recovered by the turbine 3, and the required raw material is supplied.
前記流体エネルギー回収タービン３より上流の流体の圧
力は、圧力調節計５で検出され、その圧力調節計５の出
力信号を受けた制御弁６により、流路の圧力制御がなさ
れ、それによって流体エネルギー回収タービン３は、常
に一定の回転数で回転して原料供給ポンプ７を駆動する
ようになっている。The pressure of the fluid upstream of the fluid energy recovery turbine 3 is detected by a pressure regulator 5, and the control valve 6 that receives the output signal of the pressure regulator 5 controls the pressure of the flow path, thereby reducing the fluid energy. The recovery turbine 3 always rotates at a constant rotational speed to drive the raw material supply pump 7.
ところで、流体エネルギー回収タービン３の出力が不足
して原料供給ポンプ７の吐出量が足りない場合は、不足
の程度に応じて原料供給ポンプ７に連動させた電動機８
の駆動力を増加させることによって、吐出量を一定に保
つように電動Ｉａ８が制御される。By the way, if the output of the fluid energy recovery turbine 3 is insufficient and the discharge amount of the raw material supply pump 7 is insufficient, the electric motor 8 interlocked with the raw material supply pump 7 depending on the degree of shortage.
By increasing the driving force of the electric motor Ia8, the electric power Ia8 is controlled to keep the discharge amount constant.
ところが、流体エネルギー回収タービン３は、上流の圧
力を制御する機能をもたないため、上述のように制御弁
６により流体の圧力を制御することが必要となり、圧力
変動を見込んで制御弁７の差圧を設計するから、高圧反
応塔１からでた流体のもっている高圧エネルギーを常に
ロスすることになり、流体エネルギー回収タービン３の
エネルギー回収機能を低下させることとなる問題がある
。However, since the fluid energy recovery turbine 3 does not have a function to control the upstream pressure, it is necessary to control the fluid pressure by the control valve 6 as described above, and the control valve 7 is adjusted in anticipation of pressure fluctuations. Since the differential pressure is designed, the high pressure energy of the fluid coming out of the high pressure reaction tower 1 is always lost, which causes a problem of deteriorating the energy recovery function of the fluid energy recovery turbine 3.
この為、エネルギーを高効率に回収する方法が望まれて
いる。For this reason, a method for recovering energy with high efficiency is desired.
Ｕ発明の目的コ
本発明の目的は、高圧プラント運転において、流体のも
っているエネルギーを、無駄なく全て利用できる効率の
よい高圧塔のエネルギー回収方法を提供することにある
。OBJECT OF THE INVENTION An object of the present invention is to provide an efficient energy recovery method for a high-pressure column that can utilize all the energy possessed by a fluid without waste during high-pressure plant operation.
［問題点を解決するための手段およびその作用］本発明
は、液体タービンによるエネルギー回収を最も効率よく
行うためには、高圧反応塔等の高圧塔から気液分離槽に
至る系の間の全圧力差を途中で減圧等をすることなく全
て利用することであることに着目してなされたもので、
高圧反応塔等の高圧塔の塔頂口から気液分離槽へ至る流
体の高圧エネルギーをそのまま利用して流体エネルギー
回収タービンを駆動し、この流体エネルギー回収タービ
ンに連結された誘導発電機を駆動させて電力を発生させ
、この発生電力を電圧・周波数可変回生器により商用電
源に回生（回収）するとともに、前記誘導発電機の励磁
電力となる電圧・周波数を変えることによって、誘導発
電機に直結されている流体エネルギー回収タービンの回
転数を制御することができ、一方、流体エネルギー回収
タービンは回転数と、受入れ流体差圧（落差）とが固有
の関係を有するので、この回転数を制御することにより
流体エネルギー回収タービンの入口圧力を目的の圧力に
制御する機能が付加されることによって前記目的を達成
しようとするものである。[Means for Solving the Problems and Their Effects] The present invention proposes that in order to most efficiently recover energy using a liquid turbine, the entire system from a high pressure tower such as a high pressure reaction tower to a gas-liquid separation tank must be This was done with the focus on the idea of making full use of the pressure difference without having to reduce the pressure in between.
The high-pressure energy of the fluid flowing from the top of a high-pressure tower such as a high-pressure reaction tower to a gas-liquid separation tank is directly used to drive a fluid energy recovery turbine, and an induction generator connected to this fluid energy recovery turbine is driven. This generated power is regenerated (recovered) to the commercial power supply by a variable voltage/frequency regenerator, and the voltage/frequency that becomes the excitation power of the induction generator is changed, so that the generated power is directly connected to the induction generator. On the other hand, since the fluid energy recovery turbine has a unique relationship between the rotation speed and the receiving fluid pressure difference (head), it is possible to control the rotation speed of the fluid energy recovery turbine. The above objective is achieved by adding a function to control the inlet pressure of the fluid energy recovery turbine to a target pressure.
［実施例］ 以下、本発明の一実施例を第１図に基づいて説明する。[Example] An embodiment of the present invention will be described below with reference to FIG.
高圧塔、例えば高圧反応塔ｌの塔頂口ＩＡには、冷却機
２および流体エネルギー回収タービン３を介して気液分
離槽４が接続されている。前記流体エネルギー回収ター
ビン３には誘導発電機ｌＯが接続され、この誘導発電機
１０の出力は、電圧・周波数可変回生器１１を介して商
用電源１２に接続されている。この商用電源１２として
は、通常の５０又は６０ヘルツの商用電源である。A gas-liquid separation tank 4 is connected to the top port IA of a high-pressure column, for example, a high-pressure reaction column 1, via a cooler 2 and a fluid energy recovery turbine 3. An induction generator IO is connected to the fluid energy recovery turbine 3, and the output of the induction generator 10 is connected to a commercial power source 12 via a variable voltage/frequency regenerator 11. This commercial power source 12 is a normal 50 or 60 hertz commercial power source.
前記電圧・周波数可変回生器１１には、高圧反応塔１の
塔頂口ＩＡと冷却機２どの間に設けられた圧力調節計５
の制御信号５Ａが入力され、この信号５Ａにより電圧ｅ
周波数可変回生器１１は、その出力の周波数・電圧が制
御されている。The voltage/frequency variable regenerator 11 includes a pressure regulator 5 installed between the top port IA of the high-pressure reaction tower 1 and the cooler 2.
A control signal 5A is input, and this signal 5A causes the voltage e
The frequency and voltage of the output of the variable frequency regenerator 11 are controlled.
次に、本実施例の作用について説明する。Next, the operation of this embodiment will be explained.
流体エネルギー回収タービン３で回収されたエネルギー
（動力）は、誘導発電機１０により電力に変換される。The energy (power) recovered by the fluid energy recovery turbine 3 is converted into electric power by the induction generator 10.
電圧・周波数可変回生器１１は、誘導発電機１０の励磁
電圧・周波数を制御することができ、誘導発電機１０と
直結された流体エネルギー回収タービン３の回転数が制
御される。同時に電圧・周波数可変回生器１１は、誘導
発電機ｌＯで発生した電力を受けとり、商用電源１２に
回生（回収）することができる機能を持つ。The variable voltage/frequency regenerator 11 can control the excitation voltage/frequency of the induction generator 10, and the rotation speed of the fluid energy recovery turbine 3 directly connected to the induction generator 10 is controlled. At the same time, the voltage/frequency variable regenerator 11 has a function of receiving electric power generated by the induction generator IO and regenerating (recovering) it to the commercial power source 12.
流体エネルギー回収タービンの回転数と流体落差（圧力
差または流体エネルギー回収タービンの入口圧力と読み
替ることもできる）とは固有の特性をもち、回転数を変
えることにより塔頂口ＩＡの圧力を制御することができ
る。The rotational speed of the fluid energy recovery turbine and the fluid head (which can also be read as the pressure difference or the inlet pressure of the fluidic energy recovery turbine) have unique characteristics, and the pressure at the tower top port IA can be controlled by changing the rotational speed. can do.
即ち、流体エネルギー回収タービン３よりも上流側の流
体の流量が変化すると、塔頂口ＩＡの圧力が変化する。That is, when the flow rate of the fluid upstream of the fluid energy recovery turbine 3 changes, the pressure at the tower top port IA changes.
この圧力の変化は、圧力調節計５で検出され、制御信号
５Ａが電圧・周波数可変回生器１１に送られる。制御信
号５Ａの指令により電圧・周波数可変回生器１１は、誘
導発電機１０の励磁電圧・周波数を変えることができ、
誘導発電機ｌＯと直結された流体エネルギー回収タービ
ン３の回転数を変えることができる。流体エネルギー回
収タービン３は、回転数の変化によって。This pressure change is detected by the pressure regulator 5, and a control signal 5A is sent to the voltage/frequency variable regenerator 11. The variable voltage/frequency regenerator 11 can change the excitation voltage/frequency of the induction generator 10 according to the command of the control signal 5A,
The rotational speed of the fluid energy recovery turbine 3 directly connected to the induction generator IO can be changed. Fluid energy recovery turbine 3 by changing the rotational speed.
落差（差圧）が変化し、塔頂口ＩＡの圧力を目標値に引
き戻すことができる。The head difference (differential pressure) changes, and the pressure at the tower top port IA can be pulled back to the target value.
上述のような本実施例によれば、一連の圧力制御系とし
て働き、従来の方法に用いられた圧力制御弁を取除くこ
とができ、流体のもっているエネルギーの全てを利用で
きるので、高効率のエネルギー回収が可能となる。また
、電圧・周波数可変回生器１１が受入れた電力は、商用
電源１２へ自動的に回生（回収）され、他の右目的電力
として活用することができる。According to this embodiment as described above, it works as a series of pressure control systems, and the pressure control valve used in the conventional method can be removed, and all the energy possessed by the fluid can be used, resulting in high efficiency. energy can be recovered. Further, the electric power received by the variable voltage/frequency regenerator 11 is automatically regenerated (recovered) to the commercial power source 12 and can be used as electric power for other purposes.
なお、前記実施例においては、高圧塔としては高圧反応
塔につき説明したが、本発明はこれに限定されず、蒸留
塔、その他の高圧を発生する塔にも本発明は適用できる
。In the above embodiments, the high-pressure reaction tower was explained as the high-pressure tower, but the present invention is not limited thereto, and the present invention can also be applied to distillation towers and other towers that generate high pressure.
上述のように本発明によれば、高圧プラントにおいて高
圧流体エネルギーの効率的な回収を図れるエネルギー回
収方法を提供することができるという効果がある。As described above, according to the present invention, it is possible to provide an energy recovery method that can efficiently recover high-pressure fluid energy in a high-pressure plant.
第１図は本発明に係る方法を適用したプラントを示す系
統図、第２図は従来例を示す系統図である。
ｌ・・・高圧塔としての高圧反応塔、２・・・冷却器、
３・・・流体エネルギー回収タービン、４・・・気液分
離器、５・・・圧力調節計、５Ａ・・・制御信号、１０
・・・誘導発電機、１１・・・電圧・周波数可変回生器
、１２・・・商用電源。FIG. 1 is a system diagram showing a plant to which the method according to the present invention is applied, and FIG. 2 is a system diagram showing a conventional example. l...High pressure reaction tower as a high pressure tower, 2... Cooler,
3... Fluid energy recovery turbine, 4... Gas-liquid separator, 5... Pressure regulator, 5A... Control signal, 10
...Induction generator, 11...Voltage/frequency variable regenerator, 12...Commercial power supply.
Claims (1)
エネルギーを利用して流体エネルギー回収タービンを駆
動し、この流体エネルギー回収タービンに連結された誘
導発電機を駆動させて電力を発生させ、この発生電力を
電圧・周波数可変回生器を介して商用電源に供給し、前
記高圧塔と流体エネルギー回収タービンとの間の流体圧
力変動を圧力調節計で検出し、その圧力調節計の出力信
号に基づいて前記電圧・周波数可変回生器を用いて誘導
発電機の励磁電圧・周波数を制御して、誘導発電機およ
び流体エネルギー回収タービンの回転数を制御すること
により、流体エネルギー回収タービンに圧力制御機能を
有することを特徴とする高圧塔のエネルギー回収方法。(1) The high-pressure energy of the fluid flowing from the outlet of the high-pressure tower to the gas-liquid separation tank is used to drive a fluid energy recovery turbine, and the induction generator connected to this fluid energy recovery turbine is driven to generate electricity. This generated power is supplied to a commercial power source via a variable voltage/frequency regenerator, and a pressure regulator detects fluid pressure fluctuations between the high pressure tower and the fluid energy recovery turbine, and the output of the pressure regulator is By controlling the excitation voltage and frequency of the induction generator using the variable voltage and frequency regenerator based on the signal and controlling the rotational speed of the induction generator and the fluid energy recovery turbine, pressure is applied to the fluid energy recovery turbine. A method for recovering energy from a high pressure column, characterized by having a control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59128308A JPS618476A (en) | 1984-06-20 | 1984-06-20 | Recovering method of energy in high-pressure tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59128308A JPS618476A (en) | 1984-06-20 | 1984-06-20 | Recovering method of energy in high-pressure tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS618476A true JPS618476A (en) | 1986-01-16 |
| JPH0433961B2 JPH0433961B2 (en) | 1992-06-04 |
Family
ID=14981562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59128308A Granted JPS618476A (en) | 1984-06-20 | 1984-06-20 | Recovering method of energy in high-pressure tower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS618476A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007023879A1 (en) * | 2005-08-25 | 2007-03-01 | Institute For Energy Application Technologies Co., Ltd. | Power generating apparatus and power generating method |
| CN110242482A (en) * | 2019-06-12 | 2019-09-17 | 西安格睿能源动力科技有限公司 | Recirculated water backwater top pressure power generation system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013051523A1 (en) * | 2011-10-03 | 2013-04-11 | 一般社団法人太陽エネルギー研究所 | Device for utilization of volumetric expansion of gas |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632078A (en) * | 1979-08-22 | 1981-04-01 | Mitsubishi Petrochem Co Ltd | Energy recovering method |
-
1984
- 1984-06-20 JP JP59128308A patent/JPS618476A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632078A (en) * | 1979-08-22 | 1981-04-01 | Mitsubishi Petrochem Co Ltd | Energy recovering method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007023879A1 (en) * | 2005-08-25 | 2007-03-01 | Institute For Energy Application Technologies Co., Ltd. | Power generating apparatus and power generating method |
| GB2442929A (en) * | 2005-08-25 | 2008-04-16 | Inst Energy Applic Technologie | Power generating apparatus and power generating method |
| GB2442929B (en) * | 2005-08-25 | 2011-02-16 | Inst Energy Applic Technologies Co Ltd | Power generator and power generation method |
| US7948106B2 (en) | 2005-08-25 | 2011-05-24 | Institute For Energy Application Technologies Co., Ltd. | Power generator and power generation method |
| JP4947800B2 (en) * | 2005-08-25 | 2012-06-06 | 株式会社エネルギー応用技術研究所 | Power generation apparatus and power generation method |
| CN110242482A (en) * | 2019-06-12 | 2019-09-17 | 西安格睿能源动力科技有限公司 | Recirculated water backwater top pressure power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433961B2 (en) | 1992-06-04 |
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