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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