JP2001082770A - Cooling faciltity system - Google Patents
Cooling faciltity systemInfo
- Publication number
- JP2001082770A JP2001082770A JP26242599A JP26242599A JP2001082770A JP 2001082770 A JP2001082770 A JP 2001082770A JP 26242599 A JP26242599 A JP 26242599A JP 26242599 A JP26242599 A JP 26242599A JP 2001082770 A JP2001082770 A JP 2001082770A
- Authority
- JP
- Japan
- Prior art keywords
- circulating water
- closed cooling
- pipe
- pipes
- cooled
- 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
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の密閉型冷却
塔と複数の被冷却器との間で循環水を循環させることに
より複数の被冷却器を冷却する冷却設備システムに関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling system for cooling a plurality of coolers by circulating circulating water between a plurality of closed cooling towers and a plurality of coolers.
【０００２】[0002]
【従来の技術】従来の冷却設備システムとしては、図５
及び図６に示されるようなものがある。すなわち、この
冷却設備システムは、３つの被冷却器１０、１２及び１
４とこれら被冷却器１０、１２及び１４とそれぞれ対を
なす３つの密閉型冷却塔１６、１８及び２０と予備の密
閉型冷却塔２２とが設けられており、３つの被冷却器１
０、１２及び１４とこれらと対をなす密閉型冷却塔１
６、１８及び２０とは、３つの被冷却器１０、１２及び
１４からそれぞれと対をなす密閉型冷却塔１６、１８及
び２０に循環水を供給するパイプ１００、１０２及び１
０４と、３つの密閉型冷却塔１６、１８及び２０からそ
れぞれと対をなす被冷却器１０、１２及び１４に循環水
を供給するパイプ１０６、１０８及び１１０でそれぞれ
連結されている。2. Description of the Related Art As a conventional cooling facility system, FIG.
And those shown in FIG. That is, this cooling facility system comprises three cooled objects 10, 12, and 1
4 and three closed cooling towers 16, 18 and 20 and a spare closed cooling tower 22 which are paired with the cooled units 10, 12 and 14, respectively.
0, 12 and 14 and the closed cooling tower 1 paired therewith
6, 18, and 20 are pipes 100, 102, and 1 for supplying circulating water from the three coolers 10, 12, and 14, respectively, to the closed cooling towers 16, 18, and 20 that form a pair.
04 and three closed cooling towers 16, 18, and 20, respectively, connected to pipes 106, 108, and 110 for supplying circulating water to the cooled units 10, 12, and 14, respectively.
【０００３】一方のパイプ１００、１０２及び１０４に
は、それぞれの被冷却器１０、１２及び１４からそれぞ
れと対をなす密閉型冷却塔１６、１８及び２０に循環水
を汲上げる２つの循環水ポンプ装置１１２、１１４、１
１６、１１８、１２０及び１２２がそれぞれ並列に接続
されており、密閉型冷却塔１６、１８及び２０の入口付
近には、機器の取外し時に水を仕切るための仕切弁２
４、２６及び２８が設けられている。One of the pipes 100, 102 and 104 has two circulating water pumps for pumping circulating water from the respective cooled objects 10, 12 and 14 to the paired closed cooling towers 16, 18 and 20, respectively. Devices 112, 114, 1
16, 118, 120 and 122 are connected in parallel, respectively. Near the inlet of the closed type cooling towers 16, 18 and 20 is a gate valve 2 for separating water when the equipment is removed.
4, 26 and 28 are provided.
【０００４】他方のパイプ１０６、１０８及び１１０に
は、密閉型冷却塔１６、１８及び２０の出口付近に切換
用電動弁３０、３２及び３４がそれぞれ設けられてい
る。The other pipes 106, 108 and 110 are provided with switching electric valves 30, 32 and 34 near the outlets of the closed cooling towers 16, 18 and 20, respectively.
【０００５】予備の密閉型冷却塔２２は、これの供給側
パイプ１３６が切換用電動弁１２４、１２６及び１２８
を介してパイプ１００、１０２及び１０４と連通してお
り、排出側パイプ１３８が切換用電動弁１３０、１３２
及び１３４を介してパイプ１０６、１０８及び１１０と
連通している。密閉型冷却塔２２の循環水の入口付近に
は仕切弁３６が、循環水の出口付近には切換用電動弁３
８がそれぞれ設けられている。The auxiliary closed cooling tower 22 has a supply side pipe 136 having switching electric valves 124, 126 and 128.
Are connected to the pipes 100, 102, and 104 through the discharge pipe 138.
And 134 communicate with pipes 106, 108 and 110. A gate valve 36 is provided near the circulating water inlet of the closed cooling tower 22, and a switching motor-operated valve 3 is provided near the circulating water outlet.
8 are provided.
【０００６】前記６つの循環水ポンプ装置１１２、１１
４、１１６、１１８、１２０及び１２２は、被冷却器側
から密閉型冷却塔に向かって、仕切弁１４０と、水を循
環させるポンプ１４２と、水の逆流を防止する逆止弁１
４４と、ポンプ１４２から吐出される水量を手動で調節
する玉形弁１４６とを有しており、対をなす循環水ポン
プ装置１１２、１１４、１１６、１１８、１２０及び１
２２は、所定期間ごとに交互に使用される。The above-mentioned six circulating water pump devices 112 and 11
Reference numerals 4, 116, 118, 120 and 122 denote a gate valve 140, a pump 142 for circulating water, and a check valve 1 for preventing backflow of water from the side of the cooled object toward the closed cooling tower.
44, and a ball valve 146 for manually adjusting the amount of water discharged from the pump 142, and forming a pair of circulating water pump devices 112, 114, 116, 118, 120, and 1
Reference numeral 22 is used alternately every predetermined period.
【０００７】密閉型冷却塔１６、１８、２０及び２２
は、図３に示されるように、その下部より上部にかけて
散水槽４０、湿式熱交換器４２、散水装置４４、乾式熱
交換器４６及びファン４８がこの順に設けられて構成さ
れており、乾式熱交換器４６には、被冷却器１０、１２
及び１４で熱を吸収して高温となった循環水が供給さ
れ、ファン４８で予冷却される。湿式熱交換器４２に
は、乾式熱交換器４６から予冷却された循環水が供給さ
れ、湿式熱交換器４２を通過する際に、散水装置４４か
ら第２循環水が散水されて冷却される。散水された第２
循環水は散水槽４０に集められ、再び散水装置４４に送
られる。[0007] Closed cooling towers 16, 18, 20 and 22
As shown in FIG. 3, a water spray tank 40, a wet heat exchanger 42, a water spray device 44, a dry heat exchanger 46, and a fan 48 are provided in this order from the lower part to the upper part. The exchangers 46 include the coolers 10 and 12
The circulating water which has become high temperature by absorbing the heat at 14 and 14 is supplied and precooled by the fan 48. The circulating water precooled from the dry heat exchanger 46 is supplied to the wet heat exchanger 42, and when passing through the wet heat exchanger 42, the second circulating water is sprinkled from the watering device 44 and cooled. . Sprinkled second
The circulating water is collected in the watering tank 40 and sent to the watering device 44 again.
【０００８】第２循環水は、水槽５０に蓄えられてお
り、一対の補給水ポンプ５２により逆止弁５４、玉形弁
５６を通って補給水タンク５８に汲上げられ、補給水タ
ンク５８から散水槽４０に供給される。一対の補給水ポ
ンプ５２は所定期間ごとに交互に使用される。The second circulating water is stored in a water tank 50 and is pumped by a pair of make-up water pumps 52 to a make-up water tank 58 through a check valve 54 and a globe valve 56. It is supplied to the watering tank 40. The pair of makeup water pumps 52 are used alternately at predetermined intervals.
【０００９】予備の密閉型冷却塔２２を使用せず、３つ
の密閉型冷却塔１６、１８及び２０で被冷却器１０、１
２及び１４を冷却する場合、図５に示されるように、切
換用電動弁１３０、１３２及び１３４を閉じてパイプ１
３８と他のパイプ１０６、１０８及び１１０とを遮断
し、例えば、循環水ポンプ装置１１２、１１６及び１２
０を作動させて、循環水を循環させることにより被冷却
器１０、１２及び１４から吐出される高温の循環水がパ
イプ１００、１０２及び１０４を通って密閉型冷却器１
６、１８及び２０にそれぞれ供給され、密閉型冷却器１
６、１８及び２０で冷却された循環水がパイプ１０６、
１０８及び１１０を通って被冷却器１０、１２及び１４
に供給され、被冷却器１０、１２及び１４を冷却する。
ここで、１２４、１２６、１２８は停止中である予備冷
却塔の凍結時による水の体積膨張により配管類が破損す
るのを防ぐために、開けたままで保持する。[0009] The three closed cooling towers 16, 18 and 20 are used without using the spare closed cooling tower 22.
When cooling the pipes 2 and 14, the switching electric valves 130, 132 and 134 are closed and the pipe 1 is cooled as shown in FIG.
38 and other pipes 106, 108 and 110, for example, circulating water pump devices 112, 116 and 12
0, and the circulating water is circulated so that the high-temperature circulating water discharged from the coolers 10, 12, and 14 passes through the pipes 100, 102, and 104, and the closed cooler 1
6, 18 and 20, respectively, and
The circulating water cooled in 6, 18 and 20 is pipe 106,
Coolers 10, 12, and 14 through 108 and 110
To cool the coolers 10, 12 and 14.
Here, the pipes 124, 126, and 128 are kept open in order to prevent the pipes from being damaged by volume expansion of water caused by freezing of the suspended pre-cooling tower.
【００１０】次に、密閉型冷却塔１６が故障し、予備の
密閉型冷却塔２２を使用する場合、切換用電動弁３０を
閉じ、１３０を開く。これにより、パイプ１００とパイ
プ１３６とが連通し、パイプ１０６とパイプ１３８とが
連通するため、循環水ポンプ装置１１２から吐出された
循環水はパイプ１００及び１３６を通って密閉型冷却塔
２２に供給され、ここで冷却された後、パイプ１３８及
び１０６を通って被冷却器１０に供給されてこれを冷却
する。Next, when the closed cooling tower 16 fails and the spare closed cooling tower 22 is used, the switching motor-operated valve 30 is closed and 130 is opened. Accordingly, the pipe 100 and the pipe 136 communicate with each other, and the pipe 106 and the pipe 138 communicate with each other. Therefore, the circulating water discharged from the circulating water pump device 112 is supplied to the closed cooling tower 22 through the pipes 100 and 136. After being cooled here, it is supplied to the cooler 10 through the pipes 138 and 106 to cool it.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、上記の
ような従来の冷却設備システムでは、それぞれ対をなす
被冷却器１０、１２及び１４と密閉型冷却塔１６、１８
及び２０との間でそれぞれ２本ずつパイプが必要である
ためパイプの本数が多いとともに、循環水ポンプ装置１
１２、１１４、１１６、１１８、１２０及び１２２もそ
れぞれのパイプ１００、１０２及び１０４に２つずつ設
けなければならないため、循環水ポンプ装置１１２、１
１４、１１６、１１８、１２０及び１２２の数も多くな
り、部品点数が多くなる。このため、コストが高くなる
とともに、故障が発生する確率が高いという課題があ
る。また、パイプの本数が多いため、パイプスペースを
広くとる必要がある。本発明は、このような課題を解決
するためのものである。However, in the above-mentioned conventional cooling equipment system, the pair of coolers 10, 12, and 14 and the closed cooling towers 16, 18 are paired with each other.
2 and 20 respectively, two pipes are required, so that the number of pipes is large and the circulating water pump device 1
12, 114, 116, 118, 120 and 122 must also be provided in each of the pipes 100, 102 and 104.
The number of 14, 116, 118, 120 and 122 also increases, and the number of parts increases. Therefore, there is a problem that the cost increases and the probability of occurrence of a failure is high. In addition, since the number of pipes is large, it is necessary to increase the pipe space. The present invention is to solve such a problem.
【００１２】[0012]
【課題を解決するための手段】前述した目的を達成する
ために、本発明のうちで請求項１記載の発明は、複数の
被冷却器と複数の密閉型冷却塔の間を循環する循環水を
前記複数の密閉型冷却塔で冷却し、該冷却された循環水
で前記複数の被冷却器を冷却する冷却設備システムにお
いて、前記複数の被冷却器からの循環水は共通の循環水
ポンプ装置により共通の往路パイプ（１本のパイプ６
６）を通って前記複数の密閉型冷却塔近傍でそれぞれ分
岐して該複数の密閉型冷却塔に供給され、該複数の密閉
型冷却塔から排出された循環水は、前記パイプとは別の
共通の復路パイプ（１本のパイプ６８）を通って前記複
数の被冷却器近傍でそれぞれ分岐して該複数の被冷却器
に供給されることを特徴とするものである。In order to achieve the above-mentioned object, according to the present invention, a circulating water circulating between a plurality of coolers and a plurality of closed cooling towers is provided. Is cooled by the plurality of closed cooling towers, and the plurality of coolers are cooled by the cooled circulating water. The circulating water from the plurality of coolers uses a common circulating water pump device. The common outward pipe (one pipe 6
6), the circulating water is branched off in the vicinity of the plurality of closed cooling towers, supplied to the plurality of closed cooling towers, and discharged from the plurality of closed cooling towers. It is characterized by being branched through a common return pipe (one pipe 68) in the vicinity of the plurality of coolers and supplied to the plurality of coolers.
【００１３】これにより、往路、復路の例えば２本のパ
イプと共通の循環水ポンプ装置によって、複数の密閉型
冷却塔と被冷却器との間で循環水を循環させることがで
きるので、部品点数を少なくすることができる。このた
め、コストを低減することができるとともに、故障の確
率を低くすることができる。また、パイプの本数が少な
くて済むため、パイプスペースを狭くすることができ
る。[0013] With this arrangement, the circulating water can be circulated between the plurality of hermetically sealed cooling towers and the cooler by the common circulating water pump device, for example, two pipes on the outward path and the return path. Can be reduced. Therefore, the cost can be reduced, and the probability of failure can be reduced. Further, since the number of pipes is small, the pipe space can be reduced.
【００１４】また、本発明のうち請求項２記載の発明は
請求項１記載の発明において、前記循環水ポンプ装置の
他に、前記循環水を前記複数の密閉型冷却塔に供給する
循環水ポンプ装置が設けられていることを特徴とするも
のである。According to a second aspect of the present invention, in the first aspect of the present invention, in addition to the circulating water pump device, a circulating water pump for supplying the circulating water to the plurality of closed cooling towers is provided. A device is provided.
【００１５】これにより、一方の循環水ポンプ装置が故
障した場合に別の循環水ポンプ装置を使用することによ
り、システムを維持し続けることができる。[0015] Thus, when one circulating water pump device fails, another circulating water pump device is used, so that the system can be maintained.
【００１６】また、本発明のうちで請求項３記載の発明
は、請求項１又は２記載の発明において、前記往路、復
路のパイプの他に、水路を切換えることにより前記密閉
型冷却塔又は前記被冷却器に循環水を供給することがで
きるパイプ（８０）が設けられていることを特徴とする
ものである。According to a third aspect of the present invention, in the first or second aspect of the present invention, the closed cooling tower or the closed cooling tower is provided by switching a water path in addition to the forward and return pipes. A pipe (80) capable of supplying circulating water to the cooler is provided.
【００１７】これにより、往路、復路のパイプのうちど
ちらかが破損しても別のパイプに水路を切換えることが
できるため、システムを維持し続けることができる。Thus, even if one of the outgoing and returning pipes is broken, the water path can be switched to another pipe, so that the system can be maintained.
【００１８】[0018]
【発明の実施の形態】実施の形態１．図１に本発明を実
施した冷却設備システムの第１の実施の形態を示す。以
下に説明する部分以外は従来の技術において説明したも
のと同じであるため説明を省略するとともに、従来の技
術と同一の部分に関しては同一の符号を付してある。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 shows a cooling facility system according to a first embodiment of the present invention. The parts other than those described below are the same as those described in the related art, so that the description will be omitted, and the same parts as those in the related art will be denoted by the same reference numerals.
【００１９】３つの被冷却器１０、１２及び１４から排
出される循環水を流すそれぞれのパイプ６６ａ、６６ｂ
及び６６ｃは、被冷却器１０、１２及び１４近傍で１本
のパイプ６６に連通しており、このパイプ６６には、循
環水を４つの密閉型冷却塔１６、１８、２０及び２２ま
で汲上げることが可能な３つの循環水ポンプ装置６０、
６２及び６４が設けられている。パイプ６６は、４つの
密閉型冷却塔１６、１８、２０及び２２近傍でそれぞれ
パイプ６６ｄ、６６ｅ、６６ｆ及び６６ｇに分岐してそ
れぞれ密閉型冷却塔１６、１８、２０及び２２に連通し
ている。The respective pipes 66a, 66b through which the circulating water discharged from the three coolers 10, 12, and 14 flow.
And 66c communicate with a single pipe 66 in the vicinity of the coolers 10, 12, and 14, which pumps circulating water to the four closed cooling towers 16, 18, 20, and 22. Three circulating water pump devices 60 capable of
62 and 64 are provided. The pipe 66 branches into pipes 66d, 66e, 66f, and 66g near the four closed cooling towers 16, 18, 20, and 22, respectively, and communicates with the closed cooling towers 16, 18, 20, and 22, respectively.
【００２０】４つの密閉型冷却塔１６、１８、２０及び
２２から排出される循環水を流すそれぞれのパイプ６８
ａ、６８ｂ、６８ｃ及び６８ｄは、密閉型冷却塔１６、
１８、２０及び２２近傍で１本のパイプ６８に連通して
おり、このパイプ６８は、被冷却器１０、１２及び１４
近傍でそれぞれパイプ６８ｅ、６８ｆ及び６８ｇに分岐
してそれぞれ被冷却器１０、１２及び１４に連通してい
る。Each pipe 68 through which circulating water discharged from the four closed cooling towers 16, 18, 20, and 22 flows.
a, 68b, 68c and 68d are the closed cooling towers 16,
The pipes 68 communicate with one pipe 68 in the vicinity of 18, 20, and 22.
In the vicinity, the pipes branch into pipes 68e, 68f, and 68g, respectively, and communicate with the coolers 10, 12, and 14, respectively.
【００２１】３つの循環水ポンプ装置６０、６２及び６
４は、被冷却器側から密閉型冷却塔に向かって、仕切弁
７０、ポンプ７２、逆止弁７４、玉形弁７６及び切換用
電動弁７８の順に並んで構成されており、３つの循環水
ポンプ装置６０、６２及び６４のうちどれか２つを作動
させることにより循環水を汲上げる構成となっている。Three circulating water pump devices 60, 62 and 6
Reference numeral 4 denotes a gate valve, a pump 72, a check valve 74, a globe valve 76, and a switching electric valve 78 which are arranged in this order from the cooled object side to the closed cooling tower. By operating any two of the water pump devices 60, 62 and 64, the circulating water is pumped up.
【００２２】次に、第１の実施の形態の作用について説
明する。なお、図１中太線及び矢印は循環水の循環水路
を示している。３つの被冷却器１０、１２及び１４を３
つの密閉型冷却塔１６、１８及び２０で冷却する場合、
予備の密閉型冷却塔２２の切換用電動弁３８を閉じて、
密閉型冷却塔２２に循環水が循環しないようにする。３
つの被冷却器１０、１２及び１４を冷却して高温になっ
た循環水は、それぞれパイプ６６ａ、６６ｂ及び６６ｃ
から排出された後、１本のパイプ６６に合流して循環水
ポンプ装置６０及び６２によって汲上げられ、３つの密
閉型冷却塔１６、１８及び２０近傍でパイプ６６ｄ、６
６ｅ及び６６ｆに枝分かれしてそれぞれ密閉型冷却塔１
６、１８及び２０に供給される。３つの密閉型冷却塔１
６、１８及び２０で冷却された循環水は、それぞれパイ
プ６８ａ、６８ｂ及び６８ｃから排出された後、１本の
パイプ６８に合流して下降し、３つの被冷却器１０、１
２及び１４近傍でパイプ６８ｅ、６８ｆ及び６８ｇに枝
分かれしてそれぞれ被冷却器１０、１２及び１４に供給
され、これらを冷却する。Next, the operation of the first embodiment will be described. In addition, the bold line and arrow in FIG. 1 have shown the circulation channel of circulating water. The three coolers 10, 12 and 14 are 3
When cooling in two closed cooling towers 16, 18 and 20,
Close the switching motor-operated valve 38 of the spare closed cooling tower 22,
The circulating water is prevented from circulating through the closed cooling tower 22. Three
The circulating water which has cooled the two coolers 10, 12 and 14 and has become hot is supplied to pipes 66a, 66b and 66c, respectively.
After being discharged from the pipes, they are merged into one pipe 66 and pumped up by the circulating water pump devices 60 and 62, and the pipes 66d, 6 near the three closed cooling towers 16, 18, and 20.
6e and 66f, each of which is a closed cooling tower 1
6, 18 and 20. Three closed cooling towers 1
The circulating water cooled in 6, 18, and 20 is discharged from the pipes 68a, 68b, and 68c, respectively, and then joins and descends into one pipe 68 to lower the three coolers 10, 1
In the vicinity of 2 and 14, pipes 68e, 68f and 68g are branched and supplied to the cooled units 10, 12 and 14, respectively, to cool them.
【００２３】次に、密閉型冷却塔１６が故障し、予備の
密閉型冷却塔２２を使用する場合について図２に基づい
て説明する。なお、図２中太線及び矢印は循環水の循環
水路を示している。 密閉型冷却塔１６の切換用電動弁
３０を閉じて、密閉型冷却塔１６に循環水が循環しない
ようにするとともに、密閉型冷却塔２２の切換電動弁３
８を開いて、密閉型冷却塔２２に循環水が循環するよう
にする。これにより３つの被冷却器１０、１２及び１４
から排出された循環水は、前述のようにパイプ６６を通
って密閉型冷却塔１８、２０及び２２近傍に汲上げられ
た後、パイプ６６ｅ、６６ｆ及び６６ｇを通ってそれぞ
れ密閉型冷却塔１８、２０及び２２に供給される。ま
た、密閉型冷却塔１８、２０及び２２から排出された循
環水は、パイプ６８ｂ、６８ｃ及び６８ｄを通って１本
のパイプ６８に合流した後、前述のように３つの被冷却
器１０、１２及び１４に供給される。Next, a case where the closed cooling tower 16 fails and a spare closed cooling tower 22 is used will be described with reference to FIG. The thick lines and arrows in FIG. 2 indicate circulation channels of the circulating water. The switching electric valve 30 of the closed cooling tower 22 is closed by closing the switching electric valve 30 of the closed cooling tower 16 so as to prevent the circulation of water from circulating through the closed cooling tower 16.
8 is opened so that the circulating water circulates through the closed cooling tower 22. This allows three coolers 10, 12, and 14 to be cooled.
The circulating water discharged from is pumped to the vicinity of the closed cooling towers 18, 20, and 22 through the pipe 66 as described above, and then passed through the pipes 66e, 66f, and 66g, respectively. 20 and 22. Further, the circulating water discharged from the closed type cooling towers 18, 20, and 22 passes through the pipes 68b, 68c, and 68d to join one pipe 68, and then, as described above, the three coolers 10, 12, 12 And 14.
【００２４】実施の形態２．図４に第２の実施の形態を
示す。パイプ６６及び６８の上端部及び下端部と仕切弁
８２を介して連通するパイプ８０が設けられており、パ
イプ６６及び６８の上下端部にもそれぞれ仕切弁８４が
設けられている。パイプ６６又は６８が故障した場合、
故障したパイプ６６又は６８の仕切弁８４を閉じるとと
もに、故障したパイプ６６又は６８と連通する仕切弁８
２を開いてパイプ８０は故障したパイプ６６又は６８の
代りをする。Embodiment 2 FIG. FIG. 4 shows a second embodiment. A pipe 80 communicating with upper and lower ends of the pipes 66 and 68 via a gate valve 82 is provided, and a gate valve 84 is also provided at the upper and lower ends of the pipes 66 and 68, respectively. If the pipe 66 or 68 fails,
The gate valve 84 of the failed pipe 66 or 68 is closed, and the gate valve 8 communicating with the failed pipe 66 or 68 is closed.
Open 2 and pipe 80 takes the place of failed pipe 66 or 68.
【００２５】なお、上記実施の形態においては、３つの
循環水ポンプ装置６０、６２及び６４の内、通常２つを
使用し、１つを予備とすることにしたが、これに限るこ
とはなく、所定期間ごとに使用する組合せを変えるよう
にしてもよい。また、使用する循環水ポンプ装置の数は
上記実施の形態に示されるものに限定されず、２つの循
環水ポンプ装置の一方を通常使用し、他方を予備とした
り、４つ以上使用するようにしてもよい。In the above embodiment, two of the three circulating water pump devices 60, 62 and 64 are usually used, and one is used as a spare. However, the present invention is not limited to this. Alternatively, the combination used may be changed every predetermined period. The number of circulating water pump devices to be used is not limited to that shown in the above embodiment, and one of the two circulating water pump devices is usually used, and the other is used as a spare, or four or more are used. You may.
【００２６】[0026]
【発明の効果】以上説明したように、本発明のうち請求
項１記載の発明は、２本のパイプと同一の循環水ポンプ
装置によって、複数の密閉型冷却塔と被冷却器との間で
循環水を循環させることができるので、部品点数を少な
くすることができる。これによりコストを低減すること
ができるとともに、故障の確率を低くすることができ
る。また、パイプの本数が少ないため、パイプスペース
を狭くすることができる。As described above, according to the first aspect of the present invention, a plurality of closed cooling towers and a cooled object are connected by the same circulating water pump device as two pipes. Since the circulating water can be circulated, the number of parts can be reduced. As a result, the cost can be reduced, and the probability of failure can be reduced. Further, since the number of pipes is small, the pipe space can be reduced.
【００２７】また、本発明のうち請求項２記載の発明
は、請求項１記載の発明において、一方の循環水ポンプ
装置が故障した場合に別の循環水ポンプ装置を使用する
ことができるため、システムを維持し続けることができ
る。According to the second aspect of the present invention, in the first aspect of the present invention, when one of the circulating water pump devices fails, another circulating water pump device can be used. The system can be maintained.
【００２８】また、本発明のうちで請求項３記載の発明
は、請求項１又は２記載の発明において、２本のパイプ
のうちどちらかが破損しても別のパイプに水路を切換え
ることができるため、システムを維持し続けることがで
きる。According to a third aspect of the present invention, in the first or second aspect of the invention, even if one of the two pipes is damaged, the water channel can be switched to another pipe. Because it is possible, the system can be maintained.
【図１】第１の実施の形態を示すブロック図である。FIG. 1 is a block diagram showing a first embodiment.
【図２】第１の実施の形態において予備の密閉冷却塔を
使用した一例を示すブロック図である。FIG. 2 is a block diagram showing an example in which a spare closed cooling tower is used in the first embodiment.
【図３】密閉型冷却塔を示すブロック図である。FIG. 3 is a block diagram showing a closed type cooling tower.
【図４】第２の実施の形態を示すブロック図である。FIG. 4 is a block diagram showing a second embodiment.
【図５】従来の冷却予備システムを示すブロック図であ
る。FIG. 5 is a block diagram showing a conventional cooling reserve system.
【図６】従来の冷却予備システムにおいて予備の密閉冷
却塔を使用した一例を示すブロック図である。FIG. 6 is a block diagram showing an example in which a spare closed cooling tower is used in a conventional cooling reserve system.
１０、１２、１４ 被冷却器 １６、１８、２０、２２ 密閉型冷却塔 ６０、６２、６４ 循環水ポンプ装置 ６６、６８ パイプ ８０ パイプ 10, 12, 14 Cooler 16, 18, 20, 22 Closed cooling tower 60, 62, 64 Circulating water pump device 66, 68 Pipe 80 Pipe
───────────────────────────────────────────────────── フロントページの続き (72)発明者 坂本 克也 神奈川県川崎市川崎区浮島町２−１ 株式 会社東芝浜川崎工場内 (72)発明者 橋本 偉生 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 (72)発明者 佐藤 博光 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 (72)発明者 田辺 一寿 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 (72)発明者 尾部 寛基 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 (72)発明者 大谷 健文 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 (72)発明者 布川 新也 神奈川県川崎市幸区堀川町66番２ 東芝エ ンジニアリング株式会社内 Ｆターム(参考） 3L044 AA04 BA09 DB01 FA02 KA05 3L054 BF01 BF03 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Katsuya Sakamoto 2-1 Ukishimacho, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Inside the Hamakawasaki Plant, Toshiba Corporation (72) Takeo Hashimoto 66-2 Horikawa-cho, Sachi-ku, Kawasaki-shi, Kanagawa Toshiba Inside Engineering Co., Ltd. (72) Inventor Hiromitsu Sato 66-2, Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa Prefecture Inside Toshiba Engineering Co., Ltd. (72) Kazutoshi Tanabe 66-2, Horikawa-cho, Sachi-ku, Kawasaki-shi, Kanagawa Inside Toshiba Engineering Co., Ltd. (72) Inventor Hiroki Obe 66-2, Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa Prefecture Inside of Toshiba Engineering Co., Ltd. (72) Kenfumi Otani 66-66, Horikawa-cho, Sachi-ku, Kawasaki-shi, Kanagawa 2 Toshiba Engineering Co., Ltd. (72) Inventor Shinya Funagawa 66-2 Horikawa-cho, Saiwai-ku, Kawasaki City, Kanagawa Prefecture Ring Co., Ltd. in the F-term (reference) 3L044 AA04 BA09 DB01 FA02 KA05 3L054 BF01 BF03
Claims (3)
間を循環する循環水を前記複数の密閉型冷却塔で冷却
し、該冷却された循環水で前記複数の被冷却器を冷却す
る冷却設備システムにおいて、 前記複数の被冷却器からの循環水は循環水ポンプ装置に
より共通の往路パイプを通って前記複数の密閉型冷却塔
近傍でそれぞれ分岐して該複数の密閉型冷却塔に供給さ
れ、該複数の密閉型冷却塔から排出された循環水は、前
記往路パイプとは別の共通の復路パイプを通って前記複
数の被冷却器近傍でそれぞれ分岐して該複数の被冷却器
に供給されることを特徴とする冷却設備システム。The cooling water circulating between a plurality of coolers and a plurality of closed cooling towers is cooled by the plurality of closed cooling towers, and the plurality of coolers are cooled by the cooled circulating water. In the cooling equipment system for cooling, the circulating water from the plurality of coolers is branched by a circulating water pump device through a common outward pipe in the vicinity of the plurality of closed cooling towers, and the plurality of closed cooling towers And the circulating water discharged from the plurality of closed cooling towers passes through a common return pipe different from the forward pipe and branches off in the vicinity of the plurality of coolers to form the plurality of cooled water. A cooling facility system supplied to a vessel.
水を前記複数の密閉型冷却塔に供給する循環水ポンプ装
置が設けられていることを特徴とする請求項１記載の冷
却設備システム。2. The cooling equipment system according to claim 1, further comprising a circulating water pump device that supplies the circulating water to the plurality of closed cooling towers, in addition to the circulating water pump device. .
を切換えることにより前記密閉型冷却塔又は前記被冷却
器に循環水を供給することができるパイプが設けられて
いることを特徴とする請求項２又は３記載の冷却設備シ
ステム。3. A pipe capable of supplying circulating water to the closed cooling tower or the cooled object by switching a water path, in addition to the forward and return pipes. Item 4. The cooling system according to item 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26242599A JP4351771B2 (en) | 1999-09-16 | 1999-09-16 | Cooling equipment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26242599A JP4351771B2 (en) | 1999-09-16 | 1999-09-16 | Cooling equipment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001082770A true JP2001082770A (en) | 2001-03-30 |
| JP4351771B2 JP4351771B2 (en) | 2009-10-28 |
Family
ID=17375614
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26242599A Expired - Fee Related JP4351771B2 (en) | 1999-09-16 | 1999-09-16 | Cooling equipment system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283996A (en) * | 2005-03-31 | 2006-10-19 | Jfe Steel Kk | Cooling system of induction heating device |
| JP2011234658A (en) * | 2010-05-10 | 2011-11-24 | Miura Co Ltd | Cooling device and heating sterilization device |
| JP2012002482A (en) * | 2010-06-21 | 2012-01-05 | Toshiba Plant Systems & Services Corp | Method for replacement of cooling system for electrical substation equipment of underground substation |
| CN110631317A (en) * | 2019-09-27 | 2019-12-31 | 国电龙源节能技术有限公司上海分公司 | Water storage and discharge system based on closed type circulating cooling system |
-
1999
- 1999-09-16 JP JP26242599A patent/JP4351771B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283996A (en) * | 2005-03-31 | 2006-10-19 | Jfe Steel Kk | Cooling system of induction heating device |
| JP2011234658A (en) * | 2010-05-10 | 2011-11-24 | Miura Co Ltd | Cooling device and heating sterilization device |
| JP2012002482A (en) * | 2010-06-21 | 2012-01-05 | Toshiba Plant Systems & Services Corp | Method for replacement of cooling system for electrical substation equipment of underground substation |
| CN110631317A (en) * | 2019-09-27 | 2019-12-31 | 国电龙源节能技术有限公司上海分公司 | Water storage and discharge system based on closed type circulating cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4351771B2 (en) | 2009-10-28 |
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