JPS6213489B2 - - Google Patents
Info
- Publication number
- JPS6213489B2 JPS6213489B2 JP6058985A JP6058985A JPS6213489B2 JP S6213489 B2 JPS6213489 B2 JP S6213489B2 JP 6058985 A JP6058985 A JP 6058985A JP 6058985 A JP6058985 A JP 6058985A JP S6213489 B2 JPS6213489 B2 JP S6213489B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- conduit
- heat medium
- pump
- heat
- 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
- 238000010248 power generation Methods 0.000 claims description 15
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 18
- 239000001294 propane Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
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)
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、冷熱発電設備に係り、特に、ランキ
ンサイクルを有する冷熱発電設備の改良に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to cold power generation equipment, and particularly relates to improvement of cold power generation equipment having a Rankine cycle.
従来の冷熱発電設備例を第１図により説明す
る。
An example of conventional cold power generation equipment will be explained with reference to FIG.
第１図は、ランキンサイクルを有する従来の冷
熱発電設備の系統図で、タンク１０に連結され送
液ポンプ２０が設けられた導管３０と、加温器１
１が設けられた導管３１とがそれぞれ連結された
伝熱管１２ａを内設した熱媒体凝縮器（以下、凝
縮器と略）１３と熱媒体蒸発器（以下、蒸発器と
略）１４とは、熱媒体ポンプ（以下、ポンプと
略）２１が設けられた導管３２で連結され、蒸発
器１４と、発電機１５を駆動する熱媒体膨張ター
ビン（以下、タービンと略）１６とは、流量調節
弁４０が設けられた導管３３で連結され、タービ
ン１６と凝縮器１３とは、圧力調節器５０が設け
られた導管３４で連結されている。また、流量調
節弁４１が設けられタービン１６をバイパスする
導管３５が、流量調節弁４０の前流側で導管３２
に、圧力調節器５０の前流側で導管３４にそれぞ
れ連結されている。なお、圧力調節器５０には、
流量調節弁４０，４１がそれぞれ接続されてい
る。 FIG. 1 is a system diagram of a conventional cold power generation facility having a Rankine cycle, showing a conduit 30 connected to a tank 10 and provided with a liquid pump 20, and a warmer 1.
A heat medium condenser (hereinafter referred to as a condenser) 13 and a heat medium evaporator (hereinafter referred to as an evaporator) 14 each include a heat transfer tube 12a connected to a conduit 31 provided with a heat transfer tube 12a. The evaporator 14 and the heat medium expansion turbine (hereinafter referred to as the turbine) 16 that drive the generator 15 are connected by a conduit 32 provided with a heat medium pump (hereinafter referred to as the pump) 21, and are connected to each other by a flow control valve. The turbine 16 and the condenser 13 are connected by a conduit 34 provided with a pressure regulator 50 . Further, a conduit 35 provided with a flow rate control valve 41 and bypassing the turbine 16 is connected to the conduit 35 on the upstream side of the flow rate control valve 40.
and are respectively connected to the conduit 34 on the upstream side of the pressure regulator 50. Note that the pressure regulator 50 includes:
Flow control valves 40 and 41 are connected respectively.
通常運転状態においては、タンク１０に貯蔵さ
れている低温液化ガスは送液ポンプ２０で約15
Kg／cm2・Ｇまで昇圧された後に、導管３０を経て
伝熱管１２ａに供給され、伝熱管１２ａを流通す
る間に導管３４を経て凝縮器１３に供給された気
化熱媒体、例えば、圧力が大気圧で、温度が−45
℃のプロパンガスと熱交換して加熱、気化され温
度が低温の気化ガスとなり導管３１を経て加温器
１１に供給され、ここで、海水等の加熱源により
加温され常温の気化ガスとなつた後に、導管３１
を経て別途需要先（図示省略）へ送給される。一
方、低温液化ガスと熱交換して冷却、液化された
プロパンは、ポンプ２１で７Kg／cm2・Ｇまで昇圧
されて凝縮器１３から導管３２を経て蒸発器１４
に供給される。蒸発器１４に供給されたプロパン
は、海水等の加熱源により加熱、気化され圧力が
6.5Kg／cm2・Ｇ、温度が10℃のプロパンガスとな
り、流量調節弁４０を介し導管３３を経てタービ
ン１６に供給される。このプロパンガスは、ここ
で断熱膨張され圧力が大気圧、温度が−45℃のプ
ロパンガスとなり導管３４を経て凝縮器１３に再
び供給される。 Under normal operating conditions, the low-temperature liquefied gas stored in the tank 10 is pumped by the liquid pump 20 to approximately 15
After being pressurized to Kg/cm 2 ·G, it is supplied to the heat exchanger tube 12a through the conduit 30, and while flowing through the heat exchanger tube 12a, the vaporized heat medium supplied to the condenser 13 through the conduit 34, for example, the pressure At atmospheric pressure, the temperature is -45
It is heated and vaporized by heat exchange with propane gas at a temperature of °C, and becomes a vaporized gas with a low temperature. It is supplied to the warmer 11 through a conduit 31, where it is heated by a heating source such as seawater and becomes a vaporized gas at room temperature. After the conduit 31
After that, it is sent to a separate demand destination (not shown). On the other hand, propane, which has been cooled and liquefied by heat exchange with the low-temperature liquefied gas, is pressurized to 7 kg/cm 2 ·G by the pump 21 and passes from the condenser 13 to the conduit 32 to the evaporator 14.
supplied to The propane supplied to the evaporator 14 is heated and vaporized by a heating source such as seawater, and the pressure is reduced.
Propane gas of 6.5 kg/cm 2 ·G and a temperature of 10° C. is supplied to the turbine 16 via the flow control valve 40 and the conduit 33 . This propane gas is adiabatically expanded here to become propane gas having a pressure of atmospheric pressure and a temperature of -45° C. and is again supplied to the condenser 13 via the conduit 34.
このような冷熱発電設備では、起動前の熱媒体
は外部からの熱侵入により常温状態（例えば、熱
媒体がプロパンである場合は、温度が20℃で圧力
が約８Kg／cm2・Ｇ）となり、ポンプの通常運転時
の吸入条件（例えば、熱媒体がプロパンである場
合は、圧力が大気圧で、温度が−45℃）と温度、
圧力共に大幅に異なるため、急激に冷熱発電設備
を起動すれば、熱媒体が沸騰しポンプはキヤビテ
ーシヨンを生じ運転不能となる。そこで、起動時
においては、ポンプの吸入側の圧力を徐々に低下
させる操作が必要であり、このため、起動に長時
間を要するといつた欠点があつた。 In such cold power generation equipment, the heat medium before startup becomes at room temperature due to heat intrusion from the outside (for example, if the heat medium is propane, the temperature is 20°C and the pressure is approximately 8 kg/cm 2 G). , the suction conditions during normal operation of the pump (for example, when the heat medium is propane, the pressure is atmospheric pressure and the temperature is -45°C) and the temperature,
Since both the pressures are significantly different, if the cold power generation equipment is started up suddenly, the heat medium will boil and the pump will cavitate and become inoperable. Therefore, when starting up, it is necessary to gradually reduce the pressure on the suction side of the pump, which has the disadvantage that it takes a long time to start up.
本発明の目的は、短時間に起動可能な冷熱発電
設備を提供することである。
An object of the present invention is to provide a cold power generation facility that can be started up in a short time.
本発明は、熱媒体を低温液化ガスの冷熱により
液化する凝縮器とその液化された熱媒体を昇圧す
るポンプとの間に、その液化された熱媒体を低温
液化ガスによつて冷却する冷却器を設けると共
に、この冷却器に流入する低温液化ガスの流量を
調節する流量調節弁を設けたことを特徴とする。
この構成により、起動時においてポンプに吸入さ
れる液化熱媒体を急速に過冷却状態にすることが
でき、起動時間を短縮できる。
The present invention provides a cooler that cools the liquefied heat medium with the low-temperature liquefied gas between a condenser that liquefies the heat medium using the cold heat of the low-temperature liquefied gas and a pump that boosts the pressure of the liquefied heat medium. The cooling device is characterized in that it is provided with a flow rate control valve that adjusts the flow rate of the low-temperature liquefied gas flowing into the cooler.
With this configuration, the liquefied heat medium sucked into the pump at the time of startup can be rapidly brought into a supercooled state, and the startup time can be shortened.
本発明の一実施例を図面を用いて説明する。 An embodiment of the present invention will be described with reference to the drawings.
第２図は、本発明によるランキンサイクルを有
する冷熱発電設備の系統図である。なお、第２図
で、第１図と同一機器等は同一符号で示し説明を
省略する。 FIG. 2 is a system diagram of a cold power generation facility having a Rankine cycle according to the present invention. Note that in FIG. 2, the same equipment as in FIG. 1 is indicated by the same reference numerals, and the explanation thereof will be omitted.
第２図で、伝熱管１２ａの前流側で導管３０か
らそれぞれ分岐した導管３６，３７がそれぞれ連
結された伝熱管１２ｂが内設された熱媒体冷却器
（以下、冷却器と略）１７が、ポンプ２１の前流
側で導管３２に設けられている。また、導管３
６，３７の分岐箇所の間で導管３０に流量調節弁
４２が設けられると共に、冷却器１７の出口側で
導管３２に設けられた温度調節器５１に流量調節
弁４２が接続されている。 In FIG. 2, a heat medium cooler (hereinafter simply referred to as a cooler) 17 is equipped with a heat transfer tube 12b connected to conduits 36 and 37 branched from a conduit 30 on the upstream side of the heat transfer tube 12a. , in the conduit 32 upstream of the pump 21. Also, conduit 3
A flow rate regulating valve 42 is provided in the conduit 30 between the branch points 6 and 37, and is connected to a temperature regulator 51 provided in the conduit 32 on the outlet side of the cooler 17.
このような冷熱発電設備の起動時においては、
温度調節器５１の設定値を通常運転時の熱媒体の
温度、例えば、熱媒体がプロパンである場合は、
−45℃以下に設定することにより、流量調節弁４
２が絞られ導管３０を伝熱管１２ａ方向に流通す
る低温液化ガスの一部は、導管３６を経て伝熱管
１２ｂに供給され、伝熱管１２ｂを導管３７方向
に流通する間に、常温状態にある熱媒体を温度調
節器５１の設定値まで、冷却器１７の出口側の熱
媒体の温度を温度調節器５１で検出しつつ強制的
に急速に冷却する。ポンプ２１には、このように
して順次冷却された熱媒体が冷却器１７から導管
３２を経て吸入され、ついては温度調節器５１の
設定値まで冷却、即ち、過冷却状態の熱媒体が吸
入されるようになる。なお、温度調節器５１で検
出された冷却器１７の出口側の熱媒体の温度が、
温度調節器５１の設定値に達した時点で、流量調
節弁４２を全開し、伝熱管１２ｂへの低温液化ガ
スの供給を停止すると共に、通常運転に移行させ
る。 When starting up such cold power generation equipment,
The setting value of the temperature controller 51 is the temperature of the heat medium during normal operation, for example, when the heat medium is propane,
By setting the temperature below -45℃, the flow rate control valve 4
A part of the low-temperature liquefied gas that flows through the conduit 30 in the direction of the heat exchanger tube 12a after the conduit 2 is constricted is supplied to the heat exchanger tube 12b through the conduit 36, and remains at room temperature while flowing through the heat exchanger tube 12b in the direction of the conduit 37. The heat medium is forcibly cooled rapidly to the set value of the temperature controller 51 while the temperature of the heat medium on the outlet side of the cooler 17 is detected by the temperature controller 51. The heat medium that has been sequentially cooled in this way is sucked into the pump 21 from the cooler 17 through the conduit 32, and is then cooled to the set value of the temperature controller 51, that is, the heat medium that is in a supercooled state is sucked in. It becomes like this. Note that the temperature of the heat medium on the outlet side of the cooler 17 detected by the temperature controller 51 is
When the set value of the temperature regulator 51 is reached, the flow rate control valve 42 is fully opened, the supply of low-temperature liquefied gas to the heat transfer tube 12b is stopped, and normal operation is started.
本実施例のような冷熱発電設備では、起動時
に、冷却器で常温状態にある熱媒体を低温液化ガ
スにより過冷却状態まで強制的に急速に冷却する
ので、ポンプの吸入側の圧力をある程度急激に低
下させてもキヤビテーシヨンは生ぜず、従つて、
起動時間を短縮することができる。 In a cold power generation facility like this example, at startup, the heat medium at room temperature is forcibly and rapidly cooled to a supercooled state by low-temperature liquefied gas in the cooler, so the pressure on the suction side of the pump is suddenly reduced to some extent. Cavitation does not occur even if the temperature is lowered to
Start-up time can be shortened.
以上説明したように、本発明によれば、ランキ
ンサイクルを有する冷熱発電設備において、凝縮
器とポンプとの間に低温液化ガスで液化熱媒体を
冷却する冷却器を設け、この冷却器に流入する低
温液化ガスの流量を調節する流量調節弁を設けて
おり、流量調節弁の調節によつて起動時に、熱媒
体を常温状態から過冷却状態まで強制的に急速に
冷却できるので、起動時間を短縮できる効果があ
る。
As explained above, according to the present invention, in a cold power generation equipment having a Rankine cycle, a cooler is provided between the condenser and the pump for cooling the liquefied heat medium with low temperature liquefied gas, and the heat transfer medium flows into the cooler. Equipped with a flow rate control valve that adjusts the flow rate of low-temperature liquefied gas. By adjusting the flow rate control valve, the heating medium can be rapidly cooled from room temperature to supercooled state at startup, reducing startup time. There is an effect that can be done.
第１図は、従来のランキンサイクルを有する冷
熱発電設備の系統図、第２図は、本発明によるラ
ンキンサイクルを有する冷熱発電設備の一実施例
を示す系統図である。
１２ツ，１２ｂ……伝熱管、１３……凝縮器、
１４……蒸発器、１５……発電機、１６……ター
ビン、１７……冷却器、２１……ポンプ、３０か
ら３７……導管、４２……流量調節弁、５１……
温度調節器。
FIG. 1 is a system diagram of a conventional cryogenic power generation facility having a Rankine cycle, and FIG. 2 is a system diagram showing an embodiment of a cold power generation facility having a Rankine cycle according to the present invention. 12, 12b...heat exchanger tube, 13...condenser,
14... Evaporator, 15... Generator, 16... Turbine, 17... Cooler, 21... Pump, 30 to 37... Conduit, 42... Flow control valve, 51...
air conditioner.
Claims (1)
する凝縮器と、該液化された液化熱媒体を昇圧す
るポンプと、昇圧後の液化熱媒体を蒸発させる蒸
発器と、該蒸発器で蒸発された気化熱媒体により
駆動されるタービンと、該タービンで駆動される
発電機とを備えた冷熱発電設備において、前記凝
縮器と前記ポンプとを連結する導管の途中に前記
低温液化ガスによつて前記液化熱媒体と冷却する
冷却器と、該冷却器への前記低温液化ガス供給量
を調節する流量調節弁とを設けたことを特徴とす
る冷熱発電設備。1. A condenser that liquefies a vaporized heat transfer medium using the cold heat of low-temperature liquefied gas, a pump that boosts the pressure of the liquefied heat transfer medium, an evaporator that evaporates the liquefied heat transfer medium after pressurization, and a In a cold power generation facility comprising a turbine driven by a vaporized heat medium and a generator driven by the turbine, the liquefied gas is liquefied by the low temperature liquefied gas in the middle of a conduit connecting the condenser and the pump. 1. A cold power generation facility comprising: a cooler that cools a heat medium; and a flow rate control valve that adjusts the amount of low-temperature liquefied gas supplied to the cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6058985A JPS60222510A (en) | 1985-03-27 | 1985-03-27 | Thermal power generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6058985A JPS60222510A (en) | 1985-03-27 | 1985-03-27 | Thermal power generating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60222510A JPS60222510A (en) | 1985-11-07 |
| JPS6213489B2 true JPS6213489B2 (en) | 1987-03-26 |
Family
ID=13146571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6058985A Granted JPS60222510A (en) | 1985-03-27 | 1985-03-27 | Thermal power generating equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60222510A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04112395U (en) * | 1991-03-13 | 1992-09-30 | 豊 阿慈地 | Assembly type simple clothes drying device and weight of clothes drying device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6321568B2 (en) * | 2015-03-06 | 2018-05-09 | ヤンマー株式会社 | Power generator |
| JP7328101B2 (en) * | 2019-09-25 | 2023-08-16 | メタウォーター株式会社 | cogeneration system |
-
1985
- 1985-03-27 JP JP6058985A patent/JPS60222510A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04112395U (en) * | 1991-03-13 | 1992-09-30 | 豊 阿慈地 | Assembly type simple clothes drying device and weight of clothes drying device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60222510A (en) | 1985-11-07 |
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