JP3297264B2 - Cooling equipment for ships - Google Patents
Cooling equipment for shipsInfo
- Publication number
- JP3297264B2 JP3297264B2 JP23060395A JP23060395A JP3297264B2 JP 3297264 B2 JP3297264 B2 JP 3297264B2 JP 23060395 A JP23060395 A JP 23060395A JP 23060395 A JP23060395 A JP 23060395A JP 3297264 B2 JP3297264 B2 JP 3297264B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- seawater
- cooling
- fresh water
- pump
- 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 - Fee Related
Links
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- Farming Of Fish And Shellfish (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、船舶における冷却
設備に関するものである。The present invention relates to relates to a cooling equipment that put the ship.
【０００２】[0002]
【従来の技術】通常、船舶におけるセントラル清水冷却
設備においては、一次冷却用海水ポンプおよび冷却器
（クーラー）は、負荷側において考えられる最大の冷却
熱負荷および最高の一次側の海水温度（通常３２℃）に
て、設計が行われている。2. Description of the Related Art In a central fresh water cooling system for a ship, a seawater pump and a cooler (cooler) for primary cooling are usually provided with a maximum cooling heat load conceivable on the load side and a maximum seawater temperature on the primary side (normally 32). ° C).
【０００３】このとき、二次側清水の設計温度も、一次
側海水の設計温度に応じて、さらに高い温度（普通、一
次側海水温度プラス４〜５℃）にて設計され、常に、こ
の温度を保つように冷却器に導入する二次側清水の流量
を加減して自動温度調節がなされる。At this time, the design temperature of the secondary side fresh water is designed at a higher temperature (usually the primary side sea water temperature plus 4 to 5 ° C.) in accordance with the design temperature of the primary side sea water. The automatic temperature control is performed by adjusting the flow rate of the secondary fresh water introduced into the cooler so as to maintain the temperature.
【０００４】このような設備では、通常は、部分負荷状
態での運転となることが多く、場合によっては、過大な
余裕を保有したままで運転が行われ、このような状態で
は、一次側の海水ポンプは、エネルギー・ロスを生じな
がら運転されていることになる。[0004] In such a facility, the operation is usually performed in a partial load state in many cases. In some cases, the operation is performed while maintaining an excessive margin. The seawater pump will be operating with energy loss.
【０００５】このような無駄を無くすために、従来、一
次側の海水ポンプとして、可変速ポンプを使用するとと
もに、二次側の清水供給配管内の清水温度を一定に保つ
ように、その速度が制御されていた。また、別の方法と
して、二次側清水を一定の設計温度に自動調整する状態
で冷却器に導入する二次側清水の流量をパラメータとし
て予めプログラムされた制御回路の演算値をもとに一次
冷却用海水ポンプ群を制御していた。In order to eliminate such waste, conventionally, a variable speed pump has been used as the seawater pump on the primary side, and the speed thereof has been adjusted so as to keep the temperature of freshwater in the freshwater supply pipe on the secondary side constant. Was controlled. Also, as another method, the primary fresh water is introduced into the cooler in a state where the secondary fresh water is automatically adjusted to a fixed design temperature, and the primary fresh water is used as a parameter based on a calculation value of a pre-programmed control circuit as a parameter. The cooling seawater pump group was controlled.
【０００６】[0006]
【発明が解決しようとする課題】ところで、上記従来の
ように、一次側の海水ポンプに可変速ポンプまたは数値
演算回路を使用しているので、その可変速装置または制
御回路ユニットが非常に高価になるという欠点があっ
た。Since a variable speed pump or a numerical operation circuit is used for the seawater pump on the primary side as in the prior art, the variable speed device or the control circuit unit is very expensive. There was a disadvantage of becoming.
【０００７】そこで、本発明は上記問題を解消し得る船
舶における冷却設備を提供することを目的とする。[0007] Accordingly, the present invention is an object of the present invention is to provide a cooling equipment that put on a ship to be able to solve the above problem.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するた
め、本発明の船舶における冷却設備は、船舶内に配置さ
れた冷却器に一次側冷却水として海水を供給する海水供
給配管途中に、複数個の海水ポンプを互いに並列に介装
し、上記冷却器と船舶内の各冷却機器との間に配置され
るとともに二次側冷却水として清水を使用する清水供給
配管内の清水温度を検出する温度検出器を設け、この温
度検出器により検出された温度値を入力するとともに、
この温度値に応じて使用する海水ポンプを選択駆動させ
る制御装置を設け、かつ上記制御装置の運転制御を、海
水ポンプを選択駆動する際の清水温度の上昇時における
温度と、その選択駆動された海水ポンプの駆動を解除す
る清水温度の下降時における温度とに、設けられた所定
の温度差に基づいて行うものである。 In order to solve the above-mentioned problems, a cooling system for a ship according to the present invention is provided in a ship.
Seawater supply for supplying seawater as primary cooling water to the cooled cooler
Multiple seawater pumps are installed in parallel with each other in the supply pipe.
And placed between the cooler and each cooling device in the ship.
Water supply using fresh water as secondary cooling water
A temperature detector for detecting the temperature of fresh water in the piping is provided.
Input the temperature value detected by the temperature detector,
Selectively drive the seawater pump to be used according to this temperature value.
And a control device for controlling the operation of the control device.
When the fresh water temperature rises when the water pump is selectively driven
Deactivate the temperature and its selected driven seawater pump
And the temperature at which the temperature of the fresh water drops.
This is performed based on the temperature difference.
【０００９】[0009]
【００１０】[0010]
【００１１】上記の冷却設備によると、二次側冷却水系
統における清水の温度に応じて、一次側冷却水系統側に
おける駆動する海水ポンプを選択するようにしたので、
例えば可変速の海水ポンプを使用する場合に比べて、装
置の構成が簡単になる。[0011] According above the cooling set Bei, in accordance with the temperature of the fresh water in the secondary side cooling water system, since to choose a seawater pump driven in the primary-side cooling water system side,
For example, the configuration of the apparatus is simpler than when a variable speed seawater pump is used.
【００１２】[0012]
【実施の形態】以下、本発明の実施の形態における冷却
設備を図１に基づき説明する。この冷却設備は、大きく
分けて、海水（一次冷却水）を駆動熱源とする一次側冷
却水系統１と、清水（二次冷却水）を熱媒体とする二次
側冷却水系統２とから構成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cooling system according to an embodiment of the present invention will be described below with reference to FIG. This cooling equipment is roughly divided into a primary cooling water system 1 using seawater (primary cooling water) as a driving heat source and a secondary cooling water system 2 using fresh water (secondary cooling water) as a heat medium. Have been.
【００１３】上記一次側冷却水系統１は、二次側冷却水
系統２側の清水を冷却する冷却器（クーラー）１１と、
この冷却器１１に駆動熱源である海水を導く海水供給配
管１２と、この海水供給配管１２の途中に、それぞれ並
列に介装されるとともにそれぞれ吐出容量が異な複数台
例えば３台の海水ポンプ１３とから構成されている。The primary cooling water system 1 includes a cooler 11 for cooling fresh water on the secondary cooling water system 2 side,
A seawater supply pipe 12 for guiding seawater as a driving heat source to the cooler 11; and a plurality of, for example, three seawater pumps 13 which are interposed in parallel and have different discharge capacities in the middle of the seawater supply pipe 12, respectively. It is composed of
【００１４】また、上記二次側冷却水系統２は、船舶内
の所定位置にそれぞれ配置された複数個の冷却機器（例
えば、船室の冷房、エンジンの冷却部など）２１と、こ
れら各冷却機器２１内の熱交換部（図示せず）と上記冷
却器１１の熱交換部１１ａとの間に亘って設けられた清
水供給配管２２と、この清水供給配管２２の途中に介装
された清水ポンプ２３および冷却器１１から出てきた清
水の温度を検出する温度検出器２４とから構成されてい
る。The secondary-side cooling water system 2 includes a plurality of cooling devices (for example, a cabin cooling unit, an engine cooling unit, etc.) 21 arranged at predetermined positions in a ship, and each of these cooling devices. A fresh water supply pipe 22 provided between a heat exchange section (not shown) in the inside 21 and a heat exchange section 11a of the cooler 11, and a fresh water pump interposed in the middle of the fresh water supply pipe 22 23 and a temperature detector 24 for detecting the temperature of fresh water coming out of the cooler 11.
【００１５】そして、さらにこの冷却設備には、清水供
給配管２２の途中に設けられた温度検出器２４からの検
出温度値を入力するとともに、この温度値に応じて上記
各海水ポンプ１３の運転制御を行う制御装置３１が具備
されている。Further, a temperature detected by a temperature detector 24 provided in the middle of the fresh water supply pipe 22 is input to the cooling equipment, and the operation of each of the seawater pumps 13 is controlled in accordance with the temperature. Is provided.
【００１６】上記制御装置３１においては、清水の温度
値が複数段階に分けられるとともに、これら各温度段階
に応じて、使用される海水ポンプ１３の組み合わせが決
定されている。In the control device 31, the temperature value of the fresh water is divided into a plurality of stages, and the combination of the seawater pumps 13 to be used is determined according to each temperature stage.
【００１７】なお、予想される最大の冷却負荷に対し、
最高の海水温度（例えば、３２℃）の状態で、規則では
必ず予備ポンプを必要とするので、予備ポンプを残して
最大流量を得る組合せで海水ポンプ１３を駆動させた際
に、清水の温度が所定の設計温度（例えば、３６℃）ま
で、冷却し得るように考慮されている。Incidentally, for the expected maximum cooling load,
In the state of the highest seawater temperature (for example, 32 ° C.), the rule always requires a backup pump. Therefore, when the seawater pump 13 is driven by a combination that obtains the maximum flow rate while leaving the backup pump, the temperature of the fresh water becomes lower. It is considered that cooling can be performed to a predetermined design temperature (for example, 36 ° C.).
【００１８】上記の構成において、冷却運転を行う場
合、温度検出器２４により検出された清水の温度値に応
じて、駆動される海水ポンプ１３の組み合わせが選択さ
れる。例えば、検出温度が高い場合には、複数台の海水
ポンプ１３が同時に駆動され、また検出温度が低くなっ
てきた場合には、その温度値に応じて、駆動される海水
ポンプ１３について、その合計吐出容量が低い組み合わ
せが、制御装置３１にて選択される。In the above configuration, when performing the cooling operation, a combination of the driven seawater pumps 13 is selected according to the temperature value of the fresh water detected by the temperature detector 24. For example, when the detected temperature is high, a plurality of seawater pumps 13 are driven simultaneously, and when the detected temperature is low, the total of the driven seawater pumps 13 is determined according to the temperature value. The control device 31 selects a combination having a low discharge capacity.
【００１９】勿論、上述したように、温度段階に応じ
て、選択される海水ポンプ１３の組み合わせデータが、
予め、制御装置３１に入力されている。そして、海水ポ
ンプ１３を選択駆動する際の清水温度の上昇時における
温度と、その選択駆動された海水ポンプの駆動を解除す
る清水温度の下降時における温度とに、所定の温度差が
設けられている。Of course, as described above, the combination data of the seawater pump 13 selected according to the temperature stage is as follows:
It is input to the control device 31 in advance. Then, a predetermined temperature difference is provided between the temperature when the fresh water temperature rises when the seawater pump 13 is selectively driven and the temperature when the fresh water temperature falls when the drive of the selectively driven seawater pump is released. I have.
【００２０】すなわち、清水の温度範囲に応じた海水ポ
ンプ１３の運転切換時（運転移行時）においては、清水
温度が高温側へ遷移する場合と、低温側へ遷移する場合
とで、海水ポンプ１３の切換設定温度（段階移行設定温
度）に、所定の温度差が設けてられている。このよう
に、温度差を設けておくことで、海水ポンプ１３の切換
設定温度付近における温度の上下により生じるハンチン
グ動作の防止を行うことができる。なお、上述した切換
設定温度については可変とされ、これにより、システム
全体の経年による変化等の適応力が高められている。That is, when the operation of the seawater pump 13 is switched according to the temperature range of the freshwater (at the time of operation transition), the seawater pump 13 is switched between when the freshwater temperature transitions to a high temperature side and when it transitions to a low temperature side. A predetermined temperature difference is provided for the switch set temperature (step shift set temperature). By providing the temperature difference in this way, it is possible to prevent a hunting operation caused by a temperature rise and fall near the switching set temperature of the seawater pump 13. In addition, the above-mentioned switching set temperature is made variable, thereby increasing the adaptability of the system as a whole to changes over time.
【００２１】また、上記の冷却運転中において、適当間
隔置きに、全ての海水ポンプ１３または所定台数づつの
海水ポンプ１３が、所定時間だけ駆動されて、一次側冷
却水系統の清掃が行われる。During the cooling operation, all the seawater pumps 13 or a predetermined number of seawater pumps 13 are driven at appropriate intervals for a predetermined time to clean the primary-side cooling water system.
【００２２】上述したように、二次側冷却水系統におけ
る清水の温度に応じて、一次側冷却水系統側における駆
動する海水ポンプ１３を選択するようにしたので、従来
のように、可変速の海水ポンプを使用する場合に比べ
て、装置自体のコストの低減化を図ることができる。As described above, the seawater pump 13 to be driven on the primary cooling water system side is selected according to the temperature of fresh water in the secondary cooling water system. The cost of the apparatus itself can be reduced as compared with the case where a seawater pump is used.
【００２３】ところで、上記実施の形態においては、清
水供給配管２２の途中に、温度調節弁を介装しなかった
が、図２に示すように、冷却機器２１側における過冷却
を防止するために、冷却器１１をバイパスする二次側バ
イパス配管４１を設けるとともに、冷却器１１側の熱交
換部１１ａからの配管２２ａとの接続部に、清水の供給
を停止させるための温度調節弁４２を設けるようにして
もよい。なお、この温度調節弁４２は、その精度がそれ
ほど高くなくても差し支えない。In the above embodiment, the temperature control valve is not provided in the middle of the fresh water supply pipe 22. However, as shown in FIG. , A secondary bypass pipe 41 for bypassing the cooler 11 is provided, and a temperature control valve 42 for stopping supply of fresh water is provided at a connection portion of the cooler 11 side with the pipe 22a from the heat exchange unit 11a. You may do so. The accuracy of the temperature control valve 42 does not have to be so high.
【００２４】このように、温度調節弁４２を設けるの
は、例えば船舶のエンジンの過冷却を防止するためで、
例えば２５℃以下になると、冷却器１１での清水の冷却
を行わないようにする。The reason for providing the temperature control valve 42 in this way is to prevent, for example, supercooling of a ship engine.
For example, when the temperature is 25 ° C. or less, the cooling of the cooler 11 is not performed.
【００２５】また、図２の波線にて示すように、所定の
冷却機器２１における過冷却を防止する場合には、その
冷却機器２１Ａがある分岐配管２２ｂに、温度調節のた
めの流量調節弁４３を介装しておけばよい。As shown by the dashed line in FIG. 2, in order to prevent overcooling in a predetermined cooling device 21, a flow control valve 43 for temperature control is connected to a branch pipe 22b where the cooling device 21A is located. May be interposed.
【００２６】[0026]
【発明の効果】以上のように本発明の冷却設備による
と、二次側冷却水系統における清水の温度に応じて、一
次側冷却水系統側における駆動する海水ポンプを選択す
るようにしたので、従来のように、可変速の海水ポンプ
を使用する場合または複雑なプログラム制御回路を用い
た場合に比べて、装置自体のコストの低減化を図ること
ができ、また制御装置の運転制御を、海水ポンプを選択
駆動する際の清水温度の上昇時における温度と、その選
択駆動された海水ポンプの駆動を解除する清水温度の下
降時における温度とに、設けられた所定の温度差に基づ
いて行うため、海水ポンプの切換設定温度付近における
温度の上下により生じるハッチング動作の防止を行うこ
とができる。 According to the cooling equipment of the present invention as described above, according to the present invention, in accordance with the temperature of the fresh water in the secondary side cooling water system, since to choose a seawater pump driven in the primary-side cooling water mains As compared with a conventional case where a variable speed seawater pump is used or a complicated program control circuit is used, the cost of the device itself can be reduced, and the operation control of the control device is Select seawater pump
The temperature at the time of rise of the fresh water temperature when driving and the selection
Under the clear water temperature to release the drive of the selectively driven seawater pump
The temperature at the time of descending and the predetermined temperature difference
At the switching temperature of the seawater pump.
It is necessary to prevent the hatching operation caused by temperature rise and fall.
Can be.
【図１】本発明の実施の形態における冷却設備の概略構
成を示すブロック図である。FIG. 1 is a block diagram illustrating a schematic configuration of a cooling facility according to an embodiment of the present invention.
【図２】同冷却設備における変形例の概略構成を示すブ
ロック図である。FIG. 2 is a block diagram showing a schematic configuration of a modification of the cooling facility.
１ 一次側冷却水系統 ２ 二次側冷却水系統 １１ 冷却器 １２ 海水供給配管 １３ 海水ポンプ ２１ 冷却機器 ２２ 清水供給配管 ２３ 清水ポンプ ２４ 温度検出器 ３１ 制御装置 ４１ バイパス配管 ４２，４３ 温度調節弁 DESCRIPTION OF SYMBOLS 1 Primary cooling water system 2 Secondary cooling water system 11 Cooler 12 Seawater supply pipe 13 Seawater pump 21 Cooling equipment 22 Freshwater supply pipe 23 Freshwater pump 24 Temperature detector 31 Control device 41 Bypass pipe 42, 43 Temperature control valve
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平１−132493（ＪＰ，Ａ) 特開 昭59−190424（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F01P 7/16 507 F01P 3/20 B63H 21/38 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-132493 (JP, A) JP-A-59-190424 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) F01P 7/16 507 F01P 3/20 B63H 21/38
Claims (1)
として海水を供給する海水供給配管途中に、複数個の海
水ポンプを互いに並列に介装し、上記冷却器と船舶内の
各冷却機器との間に配置されるとともに二次側冷却水と
して清水を使用する清水供給配管内の清水温度を検出す
る温度検出器を設け、この温度検出器により検出された
温度値を入力するとともに、この温度値に応じて使用す
る海水ポンプを選択駆動させる制御装置を設け、かつ上
記制御装置の運転制御を、海水ポンプを選択駆動する際
の清水温度の上昇時における温度と、その選択駆動され
た海水ポンプの駆動を解除する清水温度の下降時におけ
る温度とに、設けられた所定の温度差に基づいて行うこ
とを特徴とする船舶における冷却設備。 A plurality of seawater pumps are interposed in parallel in a seawater supply pipe for supplying seawater as primary cooling water to a cooler disposed in a ship, and a plurality of seawater pumps are provided in the ship. the temperature detector for detecting the fresh water temperature of the secondary side Shimizu supply the pipes to use the fresh water as the cooling water while being disposed between the cooling device is provided, inputs the detected temperature value by the temperature detector A control device for selectively driving a seawater pump to be used according to the temperature value , and
When controlling the operation of the control device by selectively driving the seawater pump
When the temperature of the fresh water rises, the temperature is selected and driven
Cancel the operation of the seawater pump that was turned off.
And the specified temperature difference.
And a cooling system for a ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23060395A JP3297264B2 (en) | 1995-09-08 | 1995-09-08 | Cooling equipment for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23060395A JP3297264B2 (en) | 1995-09-08 | 1995-09-08 | Cooling equipment for ships |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0979036A JPH0979036A (en) | 1997-03-25 |
| JP3297264B2 true JP3297264B2 (en) | 2002-07-02 |
Family
ID=16910343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23060395A Expired - Fee Related JP3297264B2 (en) | 1995-09-08 | 1995-09-08 | Cooling equipment for ships |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3297264B2 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1904725A4 (en) * | 2005-01-28 | 2013-09-11 | Titan Res And Innovations Pty Ltd | Engine after-cooling system |
| JP2010065612A (en) * | 2008-09-11 | 2010-03-25 | Mitsubishi Heavy Ind Ltd | Marine main engine cooling facility, cooling method and cooling system in ship |
| JP5326004B2 (en) * | 2012-01-26 | 2013-10-30 | 株式会社新来島どっく | Ship cooling water system |
| SG11201507197RA (en) * | 2013-04-19 | 2015-10-29 | Imo Ind Inc | Intelligent sea water cooling system |
| JP6147551B2 (en) * | 2013-04-24 | 2017-06-14 | 三菱重工業株式会社 | Cold water generation system for ships and ship |
| KR101516244B1 (en) * | 2013-12-27 | 2015-05-04 | 삼성중공업 주식회사 | Vessel Having Sea Water Pumping Unit for Cargo Pump |
| CN104802976B (en) * | 2014-08-15 | 2018-03-06 | 烟台中集来福士海洋工程有限公司 | The cooling system of offshore set-up and ship, the ocean platform using the cooling system |
| US10400658B2 (en) | 2015-02-13 | 2019-09-03 | Circor Pumps North America, Llc | Intelligent sea water cooling system and method |
| KR102411439B1 (en) * | 2015-12-18 | 2022-06-22 | 대우조선해양 주식회사 | Chilled water direct cooling apparatus for saving energy |
| JP6599293B2 (en) * | 2016-09-02 | 2019-10-30 | 住友重機械マリンエンジニアリング株式会社 | Central fresh water cooling system for ships |
| JP6788440B2 (en) * | 2016-09-06 | 2020-11-25 | 川崎重工業株式会社 | Ship cooling system |
| CN109863081B (en) * | 2016-10-05 | 2021-11-23 | 大宇造船海洋株式会社 | System and method for supplying fuel gas to ship |
| KR102418131B1 (en) * | 2017-12-29 | 2022-07-08 | 대우조선해양 주식회사 | Apparatus Cooling System and Method for Vessel |
| CN112822911B (en) * | 2020-12-28 | 2023-08-01 | 南方电网海南数字电网研究院有限公司 | Network security cabinet and server |
-
1995
- 1995-09-08 JP JP23060395A patent/JP3297264B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0979036A (en) | 1997-03-25 |
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| LAPS | Cancellation because of no payment of annual fees |