JP2554787B2 - Absorption heat pump device - Google Patents
Absorption heat pump deviceInfo
- Publication number
- JP2554787B2 JP2554787B2 JP3095928A JP9592891A JP2554787B2 JP 2554787 B2 JP2554787 B2 JP 2554787B2 JP 3095928 A JP3095928 A JP 3095928A JP 9592891 A JP9592891 A JP 9592891A JP 2554787 B2 JP2554787 B2 JP 2554787B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature part
- low temperature
- high temperature
- heat
- regenerator
- 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 - Lifetime
Links
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、吸収式ヒートポンプ装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an absorption heat pump device.
【０００２】[0002]
【従来の技術】一般に、吸収式ヒートポンプ装置におい
ては、冷媒を蒸発させる蒸発器と、この蒸発器で蒸発さ
れた冷媒蒸気を吸収液に吸収して熱を発生させる吸収器
と、この吸収器で冷媒蒸気を吸収して希釈された稀吸収
液を加熱して冷媒を蒸発させることにより吸収液の再生
を行う再生器と、この再生器で分離された冷媒蒸気を凝
縮する凝縮器とを有するものである。また、上記のよう
な吸収式ヒートポンプ装置の熱効率を高めるために、高
温再生器と低温再生器とを設け、高温再生器で発生した
冷媒蒸気熱を低温再生器の駆動熱源として利用するよう
にした、二重効用式のヒートポンプがある。さらに、高
温部ヒートポンプで必要とされる冷媒蒸気は蒸発器で加
熱されることにより得られるが、この時の加熱源として
は、低温部ヒートポンプにおける冷媒蒸気の凝縮熱が利
用されている。2. Description of the Related Art Generally, in an absorption heat pump device, an evaporator for evaporating a refrigerant, an absorber for absorbing a refrigerant vapor evaporated by the evaporator into an absorbing liquid to generate heat, and an absorber for absorbing the heat. Having a regenerator that absorbs the refrigerant vapor and heats the diluted diluted absorption liquid to evaporate the refrigerant to regenerate the absorption liquid, and a condenser that condenses the refrigerant vapor separated by the regenerator Is. Further, in order to increase the thermal efficiency of the absorption heat pump device as described above, a high temperature regenerator and a low temperature regenerator are provided, and the refrigerant vapor heat generated in the high temperature regenerator is used as a driving heat source of the low temperature regenerator. , There is a double-effect heat pump. Further, the refrigerant vapor required in the high temperature part heat pump is obtained by being heated in the evaporator. At this time, the heat of condensation of the refrigerant vapor in the low temperature part heat pump is used.
【０００３】[0003]
【発明が解決しようとする課題】このように、上記従来
の構成によると、低温部ヒートポンプにおける凝縮器で
発生した凝縮熱を高温部ヒートポンプの蒸発用熱源とし
て利用するための熱交換器を必要とするという問題があ
る。As described above, according to the above-mentioned conventional structure, the heat exchanger for utilizing the condensation heat generated in the condenser in the low temperature part heat pump as the heat source for evaporation of the high temperature part heat pump is required. There is a problem of doing.
【０００４】そこで、本発明は上記問題を解消し得る吸
収式ヒートポンプ装置を提供することを目的とする。Therefore, an object of the present invention is to provide an absorption heat pump device which can solve the above problems.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本発明の第１の手段は、低温部ヒートポンプと高温
部ヒートポンプとを有する吸収式ヒートポンプ装置であ
って、低温部ヒートポンプを、冷媒を蒸発させる低温部
蒸発器と、この低温部蒸発器で蒸発された冷媒蒸気を吸
収液に吸収する低温部吸収器と、この低温部吸収器で冷
媒蒸気を吸収して希釈された稀吸収液を加熱して冷媒蒸
気を分離させる低温部再生器と、この低温部再生器で分
離された冷媒蒸気を凝縮させる低温部凝縮器とから構成
し、上記高温部ヒートポンプを、上記低温部再生器で蒸
発された冷媒蒸気を冷媒蒸気移送管を介して導いて吸収
液に吸収させる高温部吸収器と、この高温部吸収器で冷
媒蒸気を吸収して希釈された稀吸収液を加熱して冷媒蒸
気を分離させる高温部再生器と、この高温部再生器で分
離された冷媒蒸気を凝縮させる高温部凝縮器とから構成
し、かつ上記低温部蒸発器に熱交換流体を導く第１熱交
換流体移送管を設け、上記低温部吸収器から低温部凝縮
器に熱交換流体を導く第２熱交換流体移送管を設け、上
記高温部吸収器および高温部凝縮器で発生した熱を、伝
熱媒体を介して低温部再生器側に伝達する伝熱媒体循環
管を設け、上記高温部再生器に熱交換流体を導く第４熱
交換流体移送管を設けた吸収式ヒートポンプ装置であ
る。In order to solve the above problems, the first means of the present invention is an absorption heat pump device having a low temperature heat pump and a high temperature heat pump, wherein the low temperature heat pump is a refrigerant The low-temperature evaporator that evaporates, the low-temperature absorber that absorbs the refrigerant vapor evaporated in this low-temperature evaporator into the absorbing liquid, and the rare absorption liquid that is diluted by absorbing the refrigerant vapor in this low-temperature absorber It consists of a low temperature regenerator that heats and separates the refrigerant vapor, and a low temperature condenser that condenses the refrigerant vapor separated by this low temperature regenerator.The high temperature heat pump is evaporated by the low temperature regenerator. The high temperature part absorber that guides the refrigerant vapor that has been absorbed through the refrigerant vapor transfer pipe to the absorption liquid, and the refrigerant vapor that absorbs the refrigerant vapor in this high temperature part absorber and heats the diluted absorption liquid High temperature to separate A first heat exchange fluid transfer pipe, which comprises a regenerator and a high temperature condenser for condensing the refrigerant vapor separated by the high temperature regenerator, and which guides a heat exchange fluid to the low temperature evaporator. A second heat exchange fluid transfer pipe for guiding the heat exchange fluid from the low temperature part absorber to the low temperature part condenser is provided, and the heat generated in the high temperature part absorber and the high temperature part condenser is regenerated in the low temperature part via the heat transfer medium. This is an absorption heat pump device in which a heat transfer medium circulation pipe for transmitting to the reactor side is provided, and a fourth heat exchange fluid transfer pipe for guiding a heat exchange fluid to the high temperature regenerator is provided.
【０００６】また、本発明の第２の手段は、上記第１の
手段において、高温部吸収器および高温部凝縮器で発生
した熱を、低温部再生器側に伝達する伝熱媒体循環管
に、高温部ヒートポンプ側または低温部ヒートポンプ側
の稀吸収液を流すようにした吸収式ヒートポンプ装置で
ある。A second means of the present invention is the heat transfer medium circulation pipe according to the first means, which transfers the heat generated in the high temperature part absorber and the high temperature part condenser to the low temperature part regenerator side. It is an absorption heat pump device in which a rare absorbent on the high temperature part heat pump side or the low temperature part heat pump side is caused to flow.
【０００７】[0007]
【作用】上記の構成によると、低温部ヒートポンプにお
ける再生器で発生された冷媒蒸気は、高温部ヒートポン
プにおける吸収器に直接導かれて、所定の吸収サイクル
が行われる。According to the above construction, the refrigerant vapor generated in the regenerator in the low temperature part heat pump is directly guided to the absorber in the high temperature part heat pump to perform a predetermined absorption cycle.
【０００８】したがって、高温部ヒートポンプにおける
蒸発器が不要になるとともに、従来必要とした高温部蒸
発器と低温部凝縮器との間で熱交換を行う熱交換器が不
要となり、さらには低温部凝縮器での負荷が少なくなる
ので、低温部凝縮器の小型化を図ることができる。Therefore, the evaporator in the high temperature heat pump is not required, and the heat exchanger for exchanging heat between the high temperature evaporator and the low temperature condenser, which is conventionally required, is not required, and further the low temperature condensation is performed. Since the load on the condenser is reduced, it is possible to reduce the size of the low temperature condenser.
【０００９】[0009]
【実施例】以下、本発明の第１の実施例を図１に基づき
説明する。本実施例にかかる吸収式ヒートポンプ装置
は、図１に示すように、低温部ヒートポンプ１と、高温
部ヒートポンプ２とから構成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIG. As shown in FIG. 1, the absorption heat pump device according to the present embodiment includes a low temperature heat pump 1 and a high temperature heat pump 2.
【００１０】また、上記低温部ヒートポンプ１は、内部
に伝熱管２１が配置された低温部蒸発器１１と、内部に
伝熱管２２が配置された低温部吸収器１２と、内部に伝
熱管２３が配置された低温部再生器１３と、内部に伝熱
管２４が配置された低温部凝縮器１４と、低温部再生器
１３で蒸発された冷媒を低温部凝縮器１４内に移送する
第１冷媒移送管３１と、途中に膨張弁１５が介装され
て、低温部凝縮器１４から冷媒を低温部蒸発器１１に移
送する第２冷媒移送管３２と、低温部蒸発器１１内で蒸
発された冷媒蒸気を低温部吸収器１２に移送する第３冷
媒移送管３３と、途中に溶液ポンプ１６が介装されて、
上記低温部吸収器１２内で冷媒蒸気を吸収して希釈され
た稀吸収液を低温部再生器１３内に移送する稀吸収液移
送管３４と、低温部再生器１３で再生された濃吸収液を
低温部吸収器１２に移送する濃吸収液移送管３５と、途
中に冷媒ポンプ１７が介装されて、上記低温部蒸発器１
１からの冷媒を再度この低温部蒸発器１１内に循環させ
る冷媒循環管３６と、濃吸収液移送管３５と稀吸収液移
送管３４との間に設けられて、濃吸収液の持つ熱を稀吸
収液に回収するための低温部熱交換器１８と、上記低温
部蒸発器１１の伝熱管２１内に熱交換流体を供給する第
１熱交換流体移送管４１と、上記低温部吸収器１２の伝
熱管２２および低温部凝縮器１４の伝熱管２４内に順次
熱交換流体を移送する第２熱交換流体移送管４２と、途
中に開閉弁４９が介装されて、第１熱交換流体移送管４
１の開閉弁４８より下流の入口側に接続された第３熱交
換流体移送管４３とから構成されている。In the low temperature section heat pump 1, a low temperature section evaporator 11 in which a heat transfer tube 21 is arranged, a low temperature section absorber 12 in which a heat transfer tube 22 is arranged, and a heat transfer tube 23 are arranged inside. The low-temperature part regenerator 13 arranged, the low-temperature part condenser 14 in which the heat transfer tube 24 is arranged, and the first refrigerant transfer for transferring the refrigerant evaporated in the low-temperature part regenerator 13 into the low-temperature part condenser 14. A pipe 31, a second refrigerant transfer pipe 32 in which an expansion valve 15 is interposed and which transfers the refrigerant from the low temperature condenser 14 to the low temperature evaporator 11, and a refrigerant evaporated in the low temperature evaporator 11. The third refrigerant transfer pipe 33 for transferring the vapor to the low temperature part absorber 12 and the solution pump 16 are provided on the way,
A rare absorbent transfer pipe 34 for transferring a diluted absorbent that has absorbed the refrigerant vapor in the low temperature absorber 12 and transferred to the low temperature regenerator 13, and a concentrated absorbent regenerated by the low temperature regenerator 13. The concentrated absorbing liquid transfer pipe 35 for transferring the low temperature part to the low temperature part absorber 12 and the refrigerant pump 17 are provided in the middle of the low temperature part absorber 12.
The refrigerant circulating pipe 36 for circulating the refrigerant from No. 1 again into the low temperature evaporator 11 and the concentrated absorbing liquid transfer pipe 35 and the rare absorbing liquid transfer pipe 34 are provided to remove the heat of the concentrated absorbing liquid. The low temperature heat exchanger 18 for recovering the diluted absorption liquid, the first heat exchange fluid transfer pipe 41 for supplying the heat exchange fluid into the heat transfer pipe 21 of the low temperature evaporator 11, and the low temperature absorber 12 The second heat exchange fluid transfer pipe 42 for sequentially transferring the heat exchange fluid into the heat transfer pipe 22 and the heat transfer pipe 24 of the low temperature condenser 14, and the opening / closing valve 49 interposed in the middle of the first heat exchange fluid transfer. Tube 4
The third heat exchange fluid transfer pipe 43 is connected to the inlet side downstream of the first on-off valve 48.
【００１１】また、上記高温部ヒートポンプ２は、内部
に伝熱管６２が配置された高温部吸収器５２と、内部に
伝熱管６３が配置された高温部再生器５３と、内部に伝
熱管６４が配置された高温部凝縮器５４と、高温部再生
器５３で蒸発された冷媒を高温部凝縮器５４内に移送す
る第１冷媒移送管７１と、途中に膨張弁５５が介装され
て、高温部凝縮器５４から冷媒を低温部蒸発器１１に移
送する第２冷媒移送管７２と、上記第１冷媒移送管３１
途中に接続されて、低温部ヒートポンプ１における低温
部再生器１４内で加熱蒸発された冷媒蒸気の一部（例え
ば、半分程度）を高温部吸収器５２に移送する第３冷媒
移送管（冷媒蒸気移送管）７３と、途中に溶液ポンプ５
６が介装されて、上記高温部吸収器５２内で冷媒蒸気を
吸収して希釈された稀吸収液を高温部再生器５３内に移
送する稀吸収液移送管７４と、高温部再生器５３で再生
された濃吸収液を高温部吸収器５２に移送する濃吸収液
移送管７５と、上記濃吸収液移送管７５と稀吸収液移送
管７４との間に設けられて、濃吸収液の持つ熱を稀吸収
液に回収するための高温部熱交換器５７と、上記高温部
再生器５３内の伝熱管６３内に熱交換流体を供給する第
４熱交換流体移送管４４と、途中に循環ポンプ５８が介
装されて、上記高温部吸収器５２の伝熱管６２、高温部
凝縮器５４の伝熱管６４および低温部再生器１３内に順
次伝熱媒体を循環移送する伝熱媒体循環管（伝熱媒体移
送管）４５とから構成されている。In the high temperature section heat pump 2, a high temperature section absorber 52 having a heat transfer tube 62 disposed therein, a high temperature section regenerator 53 having a heat transfer tube 63 disposed therein, and a heat transfer tube 64 disposed therein. The high temperature part condenser 54 disposed, the first refrigerant transfer pipe 71 for transferring the refrigerant evaporated in the high temperature part regenerator 53 into the high temperature part condenser 54, and the expansion valve 55 are provided in the middle of the high temperature part condenser 54, Second refrigerant transfer pipe 72 for transferring the refrigerant from the partial condenser 54 to the low temperature part evaporator 11, and the first refrigerant transfer pipe 31
A third refrigerant transfer pipe (refrigerant vapor) which is connected midway and transfers a part (for example, about half) of the refrigerant vapor heated and evaporated in the low temperature part regenerator 14 of the low temperature part heat pump 1 to the high temperature part absorber 52. Transfer pipe) 73 and solution pump 5 in the middle
6, a rare-absorption-liquid transfer pipe 74 that absorbs the refrigerant vapor in the high-temperature part absorber 52 and transfers the diluted diluted absorption liquid into the high-temperature part regenerator 53, and the high-temperature part regenerator 53. Is provided between the concentrated absorbent transfer pipe 75 and the concentrated absorbent transfer pipe 75 for transferring the concentrated absorbent regenerated by the above to the high temperature part absorber 52 and the concentrated absorbent transfer pipe 75 and the rare absorbent transfer pipe 74. A high temperature part heat exchanger 57 for recovering the heat that it has into a rare absorption liquid, a fourth heat exchange fluid transfer pipe 44 for supplying a heat exchange fluid into the heat transfer pipe 63 in the high temperature part regenerator 53, and in the middle thereof. A heat transfer medium circulation pipe in which a circulation pump 58 is interposed and sequentially circulates and transfers the heat transfer medium into the heat transfer pipe 62 of the high temperature part absorber 52, the heat transfer pipe 64 of the high temperature part condenser 54, and the low temperature part regenerator 13. (Heat transfer medium transfer pipe) 45.
【００１２】また、上記高温部ヒートポンプ２側におけ
る吸収剤／冷媒の組み合わせとしては高温高圧域に有効
なアルカリ金属硝酸塩混合物／水が使用され、低温部ヒ
ートポンプ１における吸収剤／冷媒の組み合わせとして
は通常の臭化リチウム（ＬｉＢｒ）／水が使用される。As the absorbent / refrigerant combination on the high temperature section heat pump 2 side, an alkali metal nitrate mixture / water effective in a high temperature / high pressure range is used, and as an absorbent / refrigerant combination in the low temperature section heat pump 1, Lithium bromide (LiBr) / water is used.
【００１３】次に、上記構成における作用について説明
する。 暖房サイクル作動時 暖房運転時には、開閉弁４９が開かれるとともに、開閉
弁４８が閉じられる。すなわち、低温部蒸発器１１に
は、第３熱交換流体移送管４３から熱交換流体、例えば
１５〜２５℃の河川水や海水が供給される。Next, the operation of the above configuration will be described. During heating cycle operation During heating operation, the on-off valve 49 is opened and the on-off valve 48 is closed. That is, the low temperature evaporator 11 is supplied with a heat exchange fluid, for example, river water or seawater at 15 to 25 ° C. from the third heat exchange fluid transfer pipe 43.
【００１４】また、第４熱交換流体移送管４４には、高
温部駆動熱源として高温流体（例えば１６０℃以上の高
温水）が供給され、伝熱媒体循環管４５には伝熱媒体
（例えば、水）が供給され、さらに第２熱交換流体移送
管４２には被加熱流体である温水（例えば、４０℃から
５０℃程度）が供給されている。A high-temperature fluid (for example, high-temperature water of 160 ° C. or higher) is supplied to the fourth heat exchange fluid transfer pipe 44 as a heat source for driving the high-temperature portion, and a heat-transfer medium circulating pipe 45 is supplied with a heat-transfer medium (for example, high-temperature fluid). Water) is supplied to the second heat exchange fluid transfer pipe 42, and warm water (for example, about 40 ° C. to 50 ° C.) that is a fluid to be heated is supplied to the second heat exchange fluid transfer pipe 42.
【００１５】この状態において、低温部および高温部ヒ
ートポンプ１，２の吸収サイクルがそれぞれ作動される
と、伝熱媒体循環管４５内を流れる伝熱媒体は、高温部
吸収器５２および高温部凝縮器５４内を通過する際に、
所定の温度（例えば、１６０℃より低い温度）に加熱さ
れる。そして、所定温度まで昇温された伝熱媒体は、低
温部再生器１３内に駆動熱源として供給された後、循環
使用される。In this state, when the absorption cycles of the low temperature part and the high temperature part heat pumps 1 and 2 are respectively operated, the heat transfer medium flowing in the heat transfer medium circulation pipe 45 becomes the high temperature part absorber 52 and the high temperature part condenser. When passing through 54,
It is heated to a predetermined temperature (for example, a temperature lower than 160 ° C.). Then, the heat transfer medium heated to a predetermined temperature is circulated and used after being supplied as a driving heat source into the low temperature part regenerator 13.
【００１６】そして、この低温部ヒートポンプ１におい
て、第２熱交換流体移送管４２から供給された温水は、
低温部吸収器１２および低温部凝縮器１４内を通過して
所定温度（例えば、４７℃程度）まで昇温される。In the low temperature heat pump 1, the hot water supplied from the second heat exchange fluid transfer pipe 42 is
After passing through the low temperature part absorber 12 and the low temperature part condenser 14, the temperature is raised to a predetermined temperature (for example, about 47 ° C.).
【００１７】勿論、上記吸収サイクルにおいては、低温
部再生器１３で発生された冷媒蒸気の一部、例えば半分
程度は、第３冷媒移送管７３を介して、直接、高温部吸
収器５２内に移送されている。 冷房サイクル作動時 冷房運転時には、開閉弁４９が閉じられるとともに、開
閉弁４８が開かれる。すなわち、第４熱交換流体移送管
４４には、高温部駆動熱源として高温流体（例えば１６
０℃以上の高温水）が供給され、伝熱媒体循環管４５に
は伝熱媒体（例えば、１６０℃より低い温水）が循環さ
れ、また第２熱交換流体移送管４２には熱交換流体とし
て冷却水（例えば、河川水、海水など）が供給され、さ
らに低温部ヒートポンプ１の蒸発器１１側には第１熱交
換流体移送管４１を介して熱交換流体である被冷却水が
供給されている。Of course, in the absorption cycle, a part of the refrigerant vapor generated in the low temperature part regenerator 13, for example, about half, is directly introduced into the high temperature part absorber 52 through the third refrigerant transfer pipe 73. Has been transferred. At the time of cooling cycle operation During the cooling operation, the opening / closing valve 49 is closed and the opening / closing valve 48 is opened. That is, in the fourth heat exchange fluid transfer pipe 44, a high temperature fluid (for example, 16
Hot water of 0 ° C. or higher) is supplied, a heat transfer medium circulation pipe 45 circulates a heat transfer medium (for example, hot water lower than 160 ° C.), and the second heat exchange fluid transfer pipe 42 serves as a heat exchange fluid. Cooling water (for example, river water, seawater, etc.) is supplied, and further, water to be cooled which is a heat exchange fluid is supplied to the evaporator 11 side of the low temperature part heat pump 1 via the first heat exchange fluid transfer pipe 41. There is.
【００１８】この状態において、暖房時と同様に、各ヒ
ートポンプ１，２の吸収サイクルがそれぞれ作動される
と、第１熱交換流体移送管４１内を流れる被冷却水は、
低温部蒸発器１１の伝熱管２１内を通過する際に、所定
の温度（例えば、１２℃から７℃程度）に冷却される。In this state, when the absorption cycle of each of the heat pumps 1 and 2 is operated, as in the case of heating, the water to be cooled flowing in the first heat exchange fluid transfer pipe 41 becomes
When passing through the heat transfer tube 21 of the low temperature part evaporator 11, it is cooled to a predetermined temperature (for example, about 12 ° C. to 7 ° C.).
【００１９】すなわち、低温部ヒートポンプ１と高温部
ヒートポンプ２とが分離されているので、高温部ヒート
ポンプ２側には結晶化がしにくいものを使用するととも
に、各ヒートポンプの装置材料をそれぞれの吸収液に最
適なものを使用することができるため、高温部ヒートポ
ンプ２側での結晶化の問題も解消することができ、また
装置の構成材料を全体に亘って高価なものを使用しなく
ても済む。That is, since the low temperature part heat pump 1 and the high temperature part heat pump 2 are separated from each other, a material that does not easily crystallize is used on the high temperature part heat pump 2 side, and the equipment material of each heat pump is absorbed by each absorbing liquid. Since the optimum one can be used, the problem of crystallization on the high temperature part heat pump 2 side can be solved, and it is not necessary to use an expensive constituent material for the entire device. .
【００２０】さらには、高温部蒸発器を無くしたので、
低温部凝縮器で発生する凝縮熱を利用して高温部蒸発器
内の冷媒を加熱するための熱交換器（従来必要であった
もの）が不要となる。Furthermore, since the high temperature evaporator is eliminated,
A heat exchanger (which was necessary in the past) for heating the refrigerant in the high temperature evaporator by using the heat of condensation generated in the low temperature condenser is not required.
【００２１】なお、低温部ヒートポンプは２重効用サイ
クルまたは２重効用２段昇温サイクルであってもよい。
次に、本発明の第２の実施例を図２および図３に基づき
説明する。The low temperature heat pump may be a double-effect cycle or a double-effect two-stage temperature raising cycle.
Next, a second embodiment of the present invention will be described with reference to FIGS.
【００２２】上記第１の実施例においては、高温部ヒー
トポンプ２側で発生した熱を低温部ヒートポンプ１側に
熱回収させるのに、吸収液を使用せずに、これらとは別
の伝熱媒体を使用したが、この第２の実施例では、図２
に示すように、高温部吸収器５２で発熱した温度の高い
稀吸収液を使用したものである。In the first embodiment, in order to recover the heat generated on the high temperature part heat pump 2 side to the low temperature part heat pump 1 side, a heat transfer medium different from these is used without using an absorbing liquid. 2 was used in this second embodiment.
As shown in FIG. 5, a rare absorbing liquid having a high temperature that has generated heat in the high temperature part absorber 52 is used.
【００２３】なお、この第２の実施例においては、第１
の実施例と同一の部品には、同一番号を付してその説明
を省略する（以下、各実施例において同様とする）。す
なわち、高温部吸収器５２内には伝熱管を設けずに、一
端部が高温部ヒートポンプ２における稀吸収液移送管７
４途中の熱交換器５７より上流側途中に接続されるとと
もに、他端部が低温部再生器１３内の伝熱管２３および
高温部凝縮器５４内の伝熱管６４並びに、再度、低温部
再生器１３内の補助伝熱管８１を経た後、高温部吸収器
５２内のフラッシュ管８２に接続された高温部稀吸収液
循環管（伝熱媒体循環管）８３が設けられたものであ
る。In the second embodiment, the first
The same parts as those in the above embodiment are designated by the same reference numerals and the description thereof is omitted (the same applies to each embodiment below). That is, a heat transfer tube is not provided in the high temperature part absorber 52, and one end of the rare absorption liquid transfer pipe 7 in the high temperature part heat pump 2 is used.
4 is connected upstream of the heat exchanger 57 in the middle, and the other end is connected to the heat transfer tube 23 in the low temperature part regenerator 13 and the heat transfer tube 64 in the high temperature part condenser 54, and again to the low temperature part regenerator. After passing through the auxiliary heat transfer pipe 81 in 13, the high temperature rare liquid absorption circulation pipe (heat transfer medium circulation pipe) 83 connected to the flash pipe 82 in the high temperature absorber 52 is provided.
【００２４】また、図３に示すように、高温部吸収器５
２と低温部再生器１３とは、接触して設けられ、熱交換
効率が向上するようにされている。次に、本発明の第３
の実施例を図４に基づき説明する。Further, as shown in FIG. 3, the high temperature portion absorber 5
2 and the low temperature part regenerator 13 are provided in contact with each other to improve the heat exchange efficiency. Next, the third aspect of the present invention
The embodiment will be described with reference to FIG.
【００２５】上記第２の実施例においては、高温部吸収
器５２で発熱した温度の高い稀吸収液を、低温部再生器
１３→高温部凝縮器５４→低温部再生器１３の順番に直
列に循環させるようにしたが、この第３の実施例では、
稀吸収液を並列に高温部凝縮器５４と低温部再生器１３
とに循環移送するようにしたものである。In the second embodiment, the high-temperature rare absorbent which has generated heat in the high temperature absorber 52 is serially arranged in the order of the low temperature regenerator 13 → the high temperature condenser 54 → the low temperature regenerator 13. Although it is circulated, in the third embodiment,
Rare absorption liquid in parallel with high temperature condenser 54 and low temperature regenerator 13
It is designed to be cyclically transferred to and.
【００２６】すなわち、高温部吸収器５２内には伝熱管
を設けずに、一端部が高温部ヒートポンプ２における稀
吸収液移送管７４途中の熱交換器５７より上流側途中に
接続されるとともに、他端部が低温部再生器１３内の伝
熱管２３を経た後、高温部吸収器５２内のフラッシュ管
９１に接続された第１高温部稀吸収液循環管（伝熱媒体
循環管）９２が設けられ、かつ一端部が上記第１高温部
稀吸収液循環管９２の低温部再生器１３より上流側途中
に接続されるとともに、他端部が高温部凝縮器５４内の
伝熱管６４および低温部再生器１３内の補助伝熱管９３
を経た後、上記第１高温部稀吸収液循環管９２の低温部
再生器１３より下流側途中に接続された第２高温部稀吸
収液循環管（伝熱媒体循環管）９４が設けられたもので
ある。That is, without providing a heat transfer tube in the high temperature part absorber 52, one end is connected to the middle part upstream of the heat exchanger 57 in the middle part of the diluted absorbent transfer pipe 74 in the high temperature part heat pump 2. After the other end passes through the heat transfer pipe 23 in the low temperature part regenerator 13, the first high temperature part rare absorbent circulating pipe (heat transfer medium circulating pipe) 92 connected to the flash pipe 91 in the high temperature part absorber 52 is One end of the heat transfer pipe 64 and the low temperature part of the high temperature part condenser 54 are provided, and one end of the first high temperature part rare absorbent circulation pipe 92 is connected to an upstream side of the low temperature part regenerator 13. Auxiliary heat transfer tube 93 in the regenerator 13
After passing through, the second high temperature rare gas absorption liquid circulation pipe (heat transfer medium circulation pipe) 94 connected to the first high temperature rare gas absorption liquid circulation pipe 92 on the downstream side of the low temperature regenerator 13 was provided. It is a thing.
【００２７】次に、本発明の第４の実施例を図５に基づ
き説明する。上記第２の実施例においては、高温部ヒー
トポンプ２側における高温部側の稀吸収液を、低温部再
生器１３に導いて熱回収を行うようにしたが、この第４
の実施例においては、低温部側の稀吸収液を使用して、
高温部吸収器５２および高温部凝縮器５４で発生した熱
を低温部側に回収するようにしたものである。Next, a fourth embodiment of the present invention will be described with reference to FIG. In the second embodiment described above, the dilute absorption liquid on the high temperature part side of the high temperature part heat pump 2 is guided to the low temperature part regenerator 13 to recover heat.
In the example of, using a rare absorbent on the low temperature side,
The heat generated in the high temperature part absorber 52 and the high temperature part condenser 54 is recovered to the low temperature part side.
【００２８】すなわち、低温部再生器１３内には伝熱管
を設けずに、一端部が低温部再生器１３内の底部に接続
されるとともに、他端部が高温部吸収器５２内の伝熱管
６２および高温部凝縮器５４内の伝熱管６４を経た後、
低温部再生器１３内のフラッシュ管１０１に接続された
低温部稀吸収液循環管１０２を設けたものである。That is, the heat transfer tube is not provided in the low temperature part regenerator 13, one end is connected to the bottom part in the low temperature part regenerator 13, and the other end is in the high temperature part absorber 52. 62 and the heat transfer tube 64 in the high temperature condenser 54,
A low temperature part rare absorbent circulating pipe 102 connected to a flash pipe 101 in the low temperature part regenerator 13 is provided.
【００２９】なお、低温部稀吸収液循環管１０２途中に
は溶液ポンプ１０３が設けられている。次に、本発明の
第５の実施例を図６に基づき説明する。A solution pump 103 is provided in the middle of the low temperature rare absorbent circulating pipe 102. Next, a fifth embodiment of the present invention will be described with reference to FIG.
【００３０】上記第４の実施例においては、低温部側の
稀吸収液を伝熱媒体として使用し、高温部吸収器５２お
よび高温部凝縮器５４で発生した熱を低温部側に回収す
る際に、稀吸収液を高温部吸収器５２と高温部凝縮器５
４とに直列に循環させるようにしたが、この第５の実施
例においては、低温部側の稀吸収液を高温部吸収器５２
と高温部凝縮器５４とに並列に移送循環させるようにし
たものである。In the fourth embodiment, when the rare absorbing liquid on the low temperature side is used as the heat transfer medium, the heat generated in the high temperature part absorber 52 and the high temperature part condenser 54 is recovered to the low temperature part side. In addition, the rare absorption liquid is supplied to the high temperature absorber 52 and the high temperature condenser 5.
4 is circulated in series to the high temperature part absorber 52 in this fifth embodiment.
And the high temperature part condenser 54 so as to be transferred and circulated in parallel.
【００３１】すなわち、一端部が低温部再生器１３内の
底部に接続されるとともに、他端部が高温部吸収器５２
内の伝熱管６２を経た後、低温部再生器１３内の第１フ
ラッシュ管１１１に接続された第１低温部稀吸収液循環
管（伝熱媒体循環管）１１２が設けられ、かつこの第１
低温部稀吸収液循環管１１２の高温部吸収器５２の上流
側途中に接続されるとともに、他端部が高温部凝縮器５
４内の伝熱管６４に経た後、低温部再生器１３内の第２
フラッシュ管１１３に接続された第２低温部稀吸収液循
環管（伝熱媒体循環管）１１４が設けられたものであ
る。That is, one end is connected to the bottom of the low temperature regenerator 13 and the other end is connected to the high temperature absorber 52.
After passing through the heat transfer pipe 62 in the inside, a first low temperature part rare absorption liquid circulation pipe (heat transfer medium circulation pipe) 112 connected to the first flash pipe 111 in the low temperature portion regenerator 13 is provided, and this first
The low temperature part rare absorbent circulating pipe 112 is connected midway upstream of the high temperature part absorber 52, and the other end is connected to the high temperature part condenser 5.
After passing through the heat transfer tube 64 in the No. 4, the second in the low temperature part regenerator 13
A second low temperature part rare absorption liquid circulation pipe (heat transfer medium circulation pipe) 114 connected to the flash pipe 113 is provided.
【００３２】なお、第１低温部稀吸収液循環管１１２途
中には、溶液ポンプ１１５が設けられている。A solution pump 115 is provided in the middle of the first low temperature portion rare absorbent circulating pipe 112.
【００３３】[0033]
【発明の効果】以上のように本発明の構成によると、高
温部ヒートポンプにおける蒸発器を無くしたので、従来
必要であった高温部蒸発器と低温部凝縮器との間で熱交
換を行う熱交換器が不要となり、したがって高温部蒸発
器が無くなったのと相まって製造コストの低減化を図る
ことができ、さらには低温部凝縮器での負荷が少なくな
るので、低温部凝縮器の小型化を図ることができる。As described above, according to the configuration of the present invention, since the evaporator in the high temperature part heat pump is eliminated, the heat for exchanging heat between the high temperature part evaporator and the low temperature part condenser which has been conventionally required. Since no exchanger is required and therefore the high temperature evaporator is eliminated, the manufacturing cost can be reduced and the load on the low temperature condenser is reduced. Can be planned.
【図１】図１は本発明の第１の実施例における吸収式ヒ
ートポンプ装置の概略全体を示す構成図である。FIG. 1 is a schematic diagram showing an overall structure of an absorption heat pump device according to a first embodiment of the present invention.
【図２】図２は本発明の第２の実施例における吸収式ヒ
ートポンプ装置の概略全体を示す構成図である。FIG. 2 is a schematic diagram showing an overall configuration of an absorption heat pump device according to a second embodiment of the present invention.
【図３】図３は上記第２の実施例における吸収式ヒート
ポンプ装置の要部断面図である。FIG. 3 is a sectional view of an essential part of an absorption heat pump device according to the second embodiment.
【図４】図４は本発明の第３の実施例における吸収式ヒ
ートポンプ装置の概略全体を示す構成図である。FIG. 4 is a schematic diagram showing the overall structure of an absorption heat pump device according to a third embodiment of the present invention.
【図５】図５は本発明の第４の実施例における吸収式ヒ
ートポンプ装置の概略全体を示す構成図である。[Fig. 5] Fig. 5 is a configuration diagram showing an overall outline of an absorption heat pump device according to a fourth embodiment of the present invention.
【図６】図６は本発明の第５の実施例における吸収式ヒ
ートポンプ装置の概略全体を示す構成図である。FIG. 6 is a schematic diagram showing the overall structure of an absorption heat pump device according to a fifth embodiment of the present invention.
１ 低温部ヒートポンプ ２ 高温部ヒートポンプ １１ 低温部蒸発器 １２ 低温部吸収器 １３ 低温部再生器 １４ 低温部凝縮器 １８ 低温部熱交換器 ４１ 第１熱交換流体移送管 ４２ 第２熱交換流体移送管 ４３ 第３熱交換流体移送管 ４４ 第４熱交換流体移送管 ４５ 伝熱媒体循環管 ５２ 高温部吸収器 ５３ 高温部再生器 ５４ 高温部凝縮器 ７１ 第１冷媒移送管 ７２ 第２冷媒移送管 ７３ 第３冷媒移送管 ７４ 稀吸収液移送管 ７５ 濃吸収液移送管 ８１ 補助伝熱管 ８３ 高温部稀吸収液循環管 ９２ 第１高温部稀吸収液循環管 ９３ 補助伝熱管 ９４ 第２高温部稀吸収液循環管 １０２ 低温部稀吸収液循環管 １１２ 第１低温部稀吸収液循環管 １１４ 第２低温部稀吸収液循環管 DESCRIPTION OF SYMBOLS 1 Low temperature part heat pump 2 High temperature part heat pump 11 Low temperature part evaporator 12 Low temperature part absorber 13 Low temperature part regenerator 14 Low temperature part condenser 18 Low temperature part heat exchanger 41 First heat exchange fluid transfer pipe 42 Second heat exchange fluid transfer pipe 43 Third heat exchange fluid transfer pipe 44 Fourth heat exchange fluid transfer pipe 45 Heat transfer medium circulation pipe 52 High temperature part absorber 53 High temperature part regenerator 54 High temperature part condenser 71 First refrigerant transfer pipe 72 Second refrigerant transfer pipe 73 Third refrigerant transfer pipe 74 Rare absorption liquid transfer pipe 75 Concentrated absorption liquid transfer pipe 81 Auxiliary heat transfer pipe 83 High temperature rare absorption liquid circulation pipe 92 First high temperature rare absorption liquid circulation pipe 93 Auxiliary heat transfer pipe 94 Second high temperature rare absorption Liquid circulation pipe 102 Low temperature rare absorption liquid circulation pipe 112 First low temperature rare absorption liquid circulation pipe 114 Second low temperature rare absorption liquid circulation pipe
───────────────────────────────────────────────────── フロントページの続き (72)発明者 矢野 猛 大阪府大阪市此花区西九条５丁目３番28 号 日立造船株式会社内 (56)参考文献 特開 平１−137170（ＪＰ，Ａ) ─────────────────────────────────────────────────── --- Continuation of the front page (72) Inventor Takeshi Yano 5-3-3 Nishikujo 5-chome, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Shipbuilding Co., Ltd. (56) Reference JP-A-1-137170 (JP, A)
Claims (2)
とを有する吸収式ヒートポンプ装置であって、低温部ヒ
ートポンプを、冷媒を蒸発させる低温部蒸発器と、この
低温部蒸発器で蒸発された冷媒蒸気を吸収液に吸収する
低温部吸収器と、この低温部吸収器で冷媒蒸気を吸収し
て希釈された稀吸収液を加熱して冷媒蒸気を分離させる
低温部再生器と、この低温部再生器で分離された冷媒蒸
気を凝縮させる低温部凝縮器とから構成し、上記高温部
ヒートポンプを、上記低温部再生器で蒸発された冷媒蒸
気を冷媒蒸気移送管を介して導いて吸収液に吸収させる
高温部吸収器と、この高温部吸収器で冷媒蒸気を吸収し
て希釈された稀吸収液を加熱して冷媒蒸気を分離させる
高温部再生器と、この高温部再生器で分離された冷媒蒸
気を凝縮させる高温部凝縮器とから構成し、かつ上記低
温部蒸発器に熱交換流体を導く第１熱交換流体移送管を
設け、上記低温部吸収器から低温部凝縮器に熱交換流体
を導く第２熱交換流体移送管を設け、上記高温部吸収器
および高温部凝縮器で発生した熱を、伝熱媒体を介して
低温部再生器側に伝達する伝熱媒体循環管を設け、上記
高温部再生器に熱交換流体を導く第４熱交換流体移送管
を設けたことを特徴とする吸収式ヒートポンプ装置。1. An absorption heat pump device having a low temperature part heat pump and a high temperature part heat pump, comprising: a low temperature part heat pump, a low temperature part evaporator for evaporating a refrigerant, and a refrigerant vapor evaporated by the low temperature part evaporator. In the low temperature part absorber that absorbs in the absorbing liquid, the low temperature part regenerator that absorbs the refrigerant vapor in this low temperature part absorber and heats the diluted diluted absorption liquid to separate the refrigerant vapor, and this low temperature part regenerator It comprises a low temperature condenser that condenses the separated refrigerant vapor, the high temperature heat pump, the high temperature that guides the refrigerant vapor evaporated in the low temperature regenerator through the refrigerant vapor transfer pipe and absorbs it in the absorbing liquid. Part absorber, a high temperature part regenerator that absorbs the refrigerant vapor in this high temperature part absorber and heats the diluted diluted absorption liquid to separate the refrigerant vapor, and the refrigerant vapor separated in this high temperature part regenerator High to condense Second heat exchange configured to include a first condenser and a heat exchange fluid transfer pipe that guides a heat exchange fluid to the low temperature evaporator, and that guides a heat exchange fluid from the low temperature absorber to the low temperature condenser. A fluid transfer pipe is provided, and a heat transfer medium circulation pipe that transfers the heat generated in the high temperature part absorber and the high temperature part condenser to the low temperature part regenerator side through the heat transfer medium is provided to the high temperature part regenerator. An absorption heat pump device comprising a fourth heat exchange fluid transfer pipe for guiding a heat exchange fluid.
た熱を、低温部再生器側に伝達する伝熱媒体循環管に、
高温部ヒートポンプ側または低温部ヒートポンプ側の稀
吸収液を流すようにしたことを特徴とする請求項１に記
載の吸収式ヒートポンプ装置。2. A heat transfer medium circulation pipe for transmitting heat generated in the high temperature part absorber and the high temperature part condenser to the low temperature part regenerator side,
The absorption heat pump device according to claim 1, wherein the rare absorption liquid on the high temperature part heat pump side or the low temperature part heat pump side is caused to flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3095928A JP2554787B2 (en) | 1991-04-26 | 1991-04-26 | Absorption heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3095928A JP2554787B2 (en) | 1991-04-26 | 1991-04-26 | Absorption heat pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04327765A JPH04327765A (en) | 1992-11-17 |
| JP2554787B2 true JP2554787B2 (en) | 1996-11-13 |
Family
ID=14150938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3095928A Expired - Lifetime JP2554787B2 (en) | 1991-04-26 | 1991-04-26 | Absorption heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2554787B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2381693T3 (en) * | 2008-06-09 | 2012-05-30 | Consejo Superior De Investigaciones Científicas | Absorber and absorber-evaporator assembly for absorption machines and lithium bromide-water absorption machines incorporating said absorber and absorber-evaporator assembly |
-
1991
- 1991-04-26 JP JP3095928A patent/JP2554787B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04327765A (en) | 1992-11-17 |
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