JPS62242776A - Multiple effect absorption refrigerator - Google Patents
Multiple effect absorption refrigeratorInfo
- Publication number
- JPS62242776A JPS62242776A JP8545886A JP8545886A JPS62242776A JP S62242776 A JPS62242776 A JP S62242776A JP 8545886 A JP8545886 A JP 8545886A JP 8545886 A JP8545886 A JP 8545886A JP S62242776 A JPS62242776 A JP S62242776A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- generator
- temperature
- temperature generator
- low
- 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
- 238000010521 absorption reaction Methods 0.000 title claims description 18
- 230000000694 effects Effects 0.000 title description 5
- 239000003507 refrigerant Substances 0.000 claims description 16
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 52
- 238000010586 diagram Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 101000972349 Phytolacca americana Lectin-A Proteins 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、吸収器からの希溶液を低温発生器および高温
発生器の順に濃縮して吸収器へ戻す多重効用吸収冷凍機
に係り、特にこのような多重効用吸収冷凍機における溶
液を高温発生器の廃熱で濃縮する補助発生器の備えられ
たもの〔以下、この種の多重効用吸収冷凍機という〕の
改良に関する。Detailed Description of the Invention (a) Industrial Application Field The present invention relates to a multi-effect absorption refrigerator that concentrates a dilute solution from an absorber in a low-temperature generator and then a high-temperature generator and returns it to the absorber. In particular, the present invention relates to an improvement in such a multi-effect absorption refrigerating machine (hereinafter referred to as this type of multi-effect absorption refrigerating machine) which is equipped with an auxiliary generator for concentrating the solution using waste heat from a high-temperature generator.
（ロ）従来の技術
この種の多重効用吸収冷凍機の従来の技術として、吸収
器から低温発生器へ至る溶液流路の途中に補助発生器を
備え、かつ、この発生器および低温発生器ならびに高温
発生器用の凝縮器を備えたもの（特開昭５６−１０８０
６６号公報参照）がある、また、別の従来の技術として
、吸収器から低温発生器へ至る溶液流路に補助発生器を
備え、かつ、高温発生器および低温発生器用の凝縮器よ
りも低温の冷却水の供給される補助凝縮器を補助発生器
用に備えたもの（特開昭５４−２８０５１号公報参照）
がある。(b) Prior art The conventional technology for this type of multi-effect absorption refrigerator is to provide an auxiliary generator in the middle of the solution flow path from the absorber to the low-temperature generator, and to Equipped with a condenser for high temperature generator (Japanese Patent Application Laid-Open No. 56-1080
Another conventional technique includes an auxiliary generator in the solution flow path from the absorber to the low-temperature generator, and a lower temperature than the condenser for the high-temperature generator and the low-temperature generator. A device equipped with an auxiliary condenser for the auxiliary generator to which cooling water is supplied (see Japanese Patent Application Laid-Open No. 54-28051)
There is.
（ハ）発明が解決しようとする問題点
上記したこれら従来のものは、補助発生器において高温
発生器の廃熱を低温レベルまで回収でき、高い熱回収率
になる利点をもつ。しかし、希溶液よりも高濃度の溶液
を補助発生器と同圧のもしくはこれより圧力の高い低温
発生器で濃縮する構造となっているため、補助発生器で
の溶液よりも高い飽和温度となる溶液を温度レベルの低
い冷媒〔高々、１００°Ｃ程度までの冷媒蒸気〕の熱で
沸騰させねばならない欠点をもつ。このため、従来のも
のは、補助発生器の熱回収率を高め得る反面で低温発生
器における溶液の濃縮機能の低下あるいは喪失を招きや
すく、冷凍機全体としての熱効率〔運転効率〕の向上を
十分に期待できない問題点を有していた。(c) Problems to be Solved by the Invention The above-mentioned conventional systems have the advantage of being able to recover the waste heat of the high temperature generator down to a low temperature level in the auxiliary generator, resulting in a high heat recovery rate. However, since the structure is such that a solution with a higher concentration than a dilute solution is concentrated in a low-temperature generator with the same pressure or higher pressure than the auxiliary generator, the saturation temperature is higher than that of the solution in the auxiliary generator. This method has the disadvantage that the solution must be boiled using the heat of a low-temperature refrigerant (refrigerant vapor up to about 100°C at most). For this reason, while conventional methods can increase the heat recovery rate of the auxiliary generator, they tend to reduce or lose the solution concentrating function in the low-temperature generator, and cannot sufficiently improve the thermal efficiency [operating efficiency] of the refrigerator as a whole. It had problems that could not be expected.
本発明は、この問題点に鑑み、冷凍機全体として高効率
運転の可能なこの種の多重効用吸収冷凍機の提供を目的
としたものである。In view of this problem, the present invention aims to provide a multi-effect absorption refrigerating machine of this type, which allows the refrigerating machine as a whole to operate with high efficiency.
（町問題点を解決するための手段
本発明は、上記の問題点を解決する手段として、この種
の多重効用吸収冷凍機の低温発生器の下流側の溶液流路
に高温発生器をバイパスする別の並列な溶液流路を形成
し、この流路に補助発生器を備える構成としたものであ
る。(Means for Solving the Problems) The present invention, as a means to solve the above problems, bypasses the high temperature generator in the solution flow path downstream of the low temperature generator of this type of multi-effect absorption refrigerator. Another parallel solution flow path is formed, and this flow path is provided with an auxiliary generator.
（＊）作用
本発明によるこの種の多重効用吸収冷凍機は、温度レベ
ルの低い冷媒が熱源として供給きれる低温発生器に沸騰
温度の低い希溶液を送ってこれを濃縮し、濃度が上昇し
て沸騰温度の高くなった溶液を上記冷媒よりも高温レベ
ルの熱の供給きれる補助発生器、高温発生器のそれぞれ
で濃縮して吸収器へ流す構造となっているので、これら
発生器のいずれにおいても溶液の濃縮機能を十分に発揮
させ得る。これにより、冷凍機全体としての熱効率が向
上し、従来のものよりも高効率運転が可能となる。(*) Function This type of multi-effect absorption refrigerator according to the present invention sends a dilute solution with a low boiling temperature to a low-temperature generator that can supply a low-temperature refrigerant as a heat source, concentrates it, and increases its concentration. The structure is such that the solution with a high boiling temperature is concentrated by the auxiliary generator and the high temperature generator, which can supply heat at a higher level than the refrigerant, and then flows to the absorber. The function of concentrating the solution can be fully demonstrated. This improves the thermal efficiency of the refrigerator as a whole, making it possible to operate more efficiently than conventional refrigerators.
（へ）実施例
第１図は本発明によるこの種の多重効用吸収冷凍機の一
実施例を示した概略構成説明図である。(F) Embodiment FIG. 1 is a schematic structural diagram showing an embodiment of this type of multi-effect absorption refrigerator according to the present invention.
第１図において、（１）は高温発生器、（２）は低温発
生器（３）および補助発生器（４）ならびに凝縮器（５
）より成る発生凝縮器、（６）は蒸発器（７）および吸
収器（８）より成る蒸発吸収器、（９）は低温溶液熱交
換器、（１０）は高温溶液熱交換器、（ＰＬＡ）は希溶
液用ポンプ、（ＰＡ）は溶液用ポンプ、（Ｐ、）は冷媒
液用ポンプであり、これら機器は希溶液の送られる管路
（１１）、（１２）、（１３）、溶液の送られる管路（
１４）、（１５）、（１６）、濃溶液の流れる管路（１
７）、（１８）、溶液の流下する管路（１９）、流下す
る溶液と濃溶液との混合溶液の流れる管路（２０）、（
２１）、冷媒の流れる管路（２２）、（２３）、冷媒液
の流下する管路（２４）、冷媒液の還流する管路（２５
）、（２６）で接！！きれて冷媒〔水〕と溶液〔臭化リ
チウム水溶液〕の流路〔循環路〕を形成し、多重効用吸
収冷凍機〔または多重効用吸収ヒートポンプ〕を構成し
ている。In Figure 1, (1) is a high temperature generator, (2) is a low temperature generator (3), an auxiliary generator (4) and a condenser (5).
), (6) is an evaporator-absorber consisting of an evaporator (7) and an absorber (8), (9) is a low-temperature solution heat exchanger, (10) is a high-temperature solution heat exchanger, (PLA ) is a pump for dilute solution, (PA) is a pump for solution, and (P, ) is a pump for refrigerant liquid. The conduit (
14), (15), (16), Pipe line (1) through which concentrated solution flows
7), (18), a pipe (19) through which the solution flows, a pipe (20) through which a mixed solution of the flowing solution and the concentrated solution flows, (
21), pipes (22), (23) through which the refrigerant flows, pipes (24) through which the refrigerant liquid flows, pipes (25) through which the refrigerant liquid flows back.
), (26) connects! ! It forms a flow path (circulation path) for the refrigerant [water] and the solution [lithium bromide aqueous solution], and constitutes a multi-effect absorption refrigerator [or a multi-effect absorption heat pump].
（２７）は高温発生器（１）の燃焼加熱室、（２８）は
低温発生器（２）の給熱器、（２９）は凝縮器（５）の
冷却器、（３０）は補助発生器（４）の加熱器、（３１
）は蒸発器（７）の熱交換器、（３２）は吸収器（８）
の冷却器であや、（３３）、（３３）・・・は高温発生
器（１）内の燃焼ガス用の通路である。また、（３４）
、（３５）は熱交換器（３１〉と接続した冷水用管路、
（３６）、（３７）、（３８）は冷却器（３２）、（２
９）を直列に接続した冷却水用管路、（ＤＩ＞は通路（
３３）の出口と加熱器（３０）の入口を結んだ燃焼排ガ
ス用ダクトであり、（ｐ、）は加熱器（３０）出口に接
続した燃焼排ガス放出用ダクトである。(27) is the combustion heating chamber of the high temperature generator (1), (28) is the heat feeder of the low temperature generator (2), (29) is the cooler of the condenser (5), and (30) is the auxiliary generator. (4) heater, (31
) is the heat exchanger of the evaporator (7), (32) is the absorber (8)
In the cooler, (33), (33)... are passages for combustion gas in the high temperature generator (1). Also, (34)
, (35) is a cold water pipe connected to the heat exchanger (31),
(36), (37), (38) are coolers (32), (2
9) are connected in series, (DI> is the passage (
33) is a combustion exhaust gas duct connecting the outlet of the heater (30), and (p,) is a combustion exhaust gas discharge duct connected to the heater (30) outlet.
次に、このように構成された多重効用吸収冷凍機〔以下
、本機という〕の運転動作例について第２図を参照しつ
つ説明する。なお、第２図は本機の運転中における溶液
サイクルの一例を示したデユーリング線図である。Next, an example of the operation of the multi-effect absorption refrigerating machine (hereinafter referred to as the present machine) configured as described above will be explained with reference to FIG. Incidentally, FIG. 2 is a Duering diagram showing an example of a solution cycle during operation of this machine.
希溶液用ポンプ（ＰＬＡ）の吐出力で吸収器（８）から
低温溶液熱交換器（９）を通過した希溶液は、低温発生
器（３）へ送られ、ここで高温発生器（１）からの約９
０°Ｃの冷媒により給熱器（２８）を介し、て加熱され
、凝縮器（５）の内圧すなわち発生凝縮器（２）内の飽
和蒸気圧に対応する飽和温度〔約７８〜８２’Ｃ）で沸
騰しつつ冷媒蒸気を発生して濃縮される（第２１５０の
ｌ） −＋ （線参照）。そして、低温発生器（３）で
濃縮された溶液の一部は補助発生器（４）へ流下し、ま
た、一部は溶液用ポンプ（ＰＡ）により高温溶液熱交換
器（１０）経由で高温発生器（１）へ送られる。高温発
生器（１）に流入した溶液は１０００℃程度の燃焼ガス
により加熱されて１４２°Ｃないし１５６°Ｃで沸騰し
濃溶液となる。一方、補助発生器（４）に流入した溶液
は高温発生器（１）からの約２５０°Ｃの燃焼排ガスに
より加熱されて約８２°Ｃないし８４℃で沸騰し、濃縮
される（第２図のｃ−＋ｉ参照）。そして、濃溶液と、
補助発生器（４）で濃縮された溶液とは管路（２０）に
おいて合流し、吸収器（８）へ戻る。The dilute solution that has passed through the low temperature solution heat exchanger (9) from the absorber (8) with the discharge force of the dilute solution pump (PLA) is sent to the low temperature generator (3), where it is transferred to the high temperature generator (1). about 9 from
It is heated by the refrigerant at 0°C via the heat supply device (28) to a saturation temperature [approximately 78 to 82'C] corresponding to the internal pressure of the condenser (5), that is, the saturated vapor pressure in the generated condenser (2). ) while boiling to generate refrigerant vapor and concentrate (2150 l) −+ (see line). A part of the solution concentrated in the low temperature generator (3) flows down to the auxiliary generator (4), and a part of the solution is sent to the high temperature solution via the high temperature solution heat exchanger (10) by the solution pump (PA). is sent to the generator (1). The solution flowing into the high temperature generator (1) is heated by the combustion gas at about 1000°C, boils at 142°C to 156°C, and becomes a concentrated solution. On the other hand, the solution flowing into the auxiliary generator (4) is heated by the approximately 250°C combustion exhaust gas from the high temperature generator (1), boils at approximately 82°C to 84°C, and is concentrated (see Figure 2). c-+i). And a concentrated solution,
The solution concentrated in the auxiliary generator (4) joins in the line (20) and returns to the absorber (8).
このように、本機においては、温度レベルの低い熱源の
供給される発生器に沸騰温度の低い溶液を循環させる一
方沸騰温度の高い溶液を循環きせる発生器へ温度レベル
の十分に高い熱源を供給しているので、これら発生器の
いずれも活発な溶液濃縮作用を発揮しつつ補助発生器に
よる廃熱回収が行なわれ、冷凍機全体としての熱効率〔
運転効率〕が向上する。In this way, in this machine, a solution with a low boiling temperature is circulated to the generator supplied with a heat source with a low temperature level, while a heat source with a sufficiently high temperature level is supplied to a generator that circulates a solution with a high boiling temperature. As a result, all of these generators actively concentrate the solution while the auxiliary generator recovers waste heat, improving the overall thermal efficiency of the refrigerator.
Operational efficiency] is improved.
また、本機においては、溶液を補助発生器（４）と高温
発生器（１）とに分けて循環させることにより、これら
発生器に溶液の全量をシリーズに循環させる従来のもの
よりも高温発生器（１）の溶液循環量を少なくしている
ので、この高温発生器を小型化できる利点があると共に
高温発生器（１）での溶液の昇温のための熱を節約でき
る利点があり、かつ、高温溶液熱交換器（１０）の小型
化などもできる等の利点がある。In addition, in this machine, the solution is divided into the auxiliary generator (4) and the high-temperature generator (1) and circulated, which generates a higher temperature than the conventional system in which the entire amount of solution is circulated through these generators in series. Since the amount of solution circulated in the container (1) is reduced, there is an advantage that this high temperature generator can be made smaller, and the heat used to raise the temperature of the solution in the high temperature generator (1) can be saved. In addition, there are advantages such as the ability to downsize the high temperature solution heat exchanger (10).
なお、本機をヒートポンプとして用いた場合にも、冷凍
機として用いた場合と同様、運転効率を高め得ることは
勿論である。Note that, of course, when this machine is used as a heat pump, the operating efficiency can be improved as well as when it is used as a refrigerator.
第３図は、本発明によるこの種の多重効用吸収冷凍機の
他の実施例を示した概略構成説明図であり、この図にお
いて第１図に示した実施例のものと同様の構成機器には
同一の符号を付している。FIG. 3 is a schematic structural explanatory diagram showing another embodiment of this type of multi-effect absorption refrigerating machine according to the present invention. are given the same reference numerals.
この図の実施例は、補助発生器（４０）で発生した冷媒
蒸気を液化させるための補助凝縮器（５０）を備えたも
ので、この補助凝縮器には凝縮器（５）に流通させる冷
却水よりも低温のそれを供給するように構成されている
。なお、（２９０）は補助凝縮器（５０）用の冷却器で
あり、この冷却器には冷却水用管路（３９）、（４１）
が接続されている。また、（４２）は凝縮器（５）から
補助凝縮器（５０）への冷媒液流下用の管路、（４３）
は補助凝縮器（５０）から蒸発器（７）への冷媒液流下
用の管路である。The embodiment shown in this figure is equipped with an auxiliary condenser (50) for liquefying the refrigerant vapor generated by the auxiliary generator (40). It is configured to supply it at a lower temperature than water. In addition, (290) is a cooler for the auxiliary condenser (50), and this cooler has cooling water pipes (39) and (41).
is connected. Further, (42) is a conduit for the refrigerant liquid to flow from the condenser (5) to the auxiliary condenser (50), (43)
is a pipe line for flowing refrigerant liquid from the auxiliary condenser (50) to the evaporator (7).
第３図に示した実施例のものにおいては、第１図に示し
た実施例のものよりも補助発生器内の飽和蒸気圧、飽和
温度が低くなるので、廃熱をより一層低温レベルまで回
収でき、熱回収率を向上できる利点がある。In the embodiment shown in Fig. 3, the saturated vapor pressure and saturation temperature in the auxiliary generator are lower than in the embodiment shown in Fig. 1, so waste heat is recovered to an even lower temperature level. This has the advantage of improving the heat recovery rate.
また、第４図は第３図の実施例のものを運転した場合の
溶液サイクルの一例を表わしたものである。Further, FIG. 4 shows an example of a solution cycle when the embodiment shown in FIG. 3 is operated.
（ト）発明の効果
以上のとおり、本発明による多重効用吸収冷凍機は、そ
の発生器のいずれも十分に溶液の濃縮機能を発揮させつ
つ廃熱を回収できる効果をもたらし、冷凍機全体として
の熱効率〔運転効率〕の向上効果をもたらす。(G) Effects of the Invention As described above, the multiple effect absorption refrigerator according to the present invention has the effect of recovering waste heat while fully exerting the function of concentrating the solution in each of its generators, and improves the efficiency of the refrigerator as a whole. It has the effect of improving thermal efficiency (operating efficiency).
第１図は本発明によるこの種の多重効用吸収冷凍機の一
実施例を示した概略構成説明図、第２図は第１図の実施
例のものにおける溶液サイクルの一例を示したデユーリ
ング線図、第３図は本発明による多重効用吸収冷凍機の
他の実施例を示した概略構成説明図、第４図は第３図の
実施例のものにおける溶液サイクルの一例を示したデユ
ーリング線図である。
（１）・・・高温発生器、 （２）・・・発生凝縮器、
（３）・・・低温発生器、 （４）・・・補助発生器
、 （５）・・・凝縮器、 （６）・・・蒸発吸収器、
（７）・・・蒸発器、 （８）・・・吸収器、 （９
）、（１０）・・・低温、高温溶液熱交換器、 （ＰＬ
Ａ）・・・希溶液用ポンプ、 （ＰＡ）・・・溶液用ポ
ンプ、 （ｐｍ）・・・冷媒液用ポンプ、（１１）、（
１２）、（１３）、（１４）、（１５）、（１６）、（
１７）、（１８）、（１９）、（２０）、 （２１）・
・・管路、 （２７）・・・燃焼加熱室、 （２８）・
・・給熱器、（２９）・・・冷却器、 （３０）・・・
加熱器、 （３１）・・・熱交換器、 （３２）・・・
冷却器、 （３３）・・・通路、（Ｄ、）、（Ｄ、）・
・・ダクト、 （４０）・・・補助発生器、 （５０）
・・・補助凝縮器。Fig. 1 is a schematic structural explanatory diagram showing one embodiment of this type of multi-effect absorption refrigerator according to the present invention, and Fig. 2 is a Dueling diagram showing an example of a solution cycle in the embodiment of Fig. 1. , FIG. 3 is a schematic structural explanatory diagram showing another embodiment of the multi-effect absorption refrigerator according to the present invention, and FIG. 4 is a Dueling diagram showing an example of the solution cycle in the embodiment of FIG. 3. be. (1)...High temperature generator, (2)...Generation condenser,
(3)... Low temperature generator, (4)... Auxiliary generator, (5)... Condenser, (6)... Evaporative absorber,
(7)...Evaporator, (8)...Absorber, (9
), (10)...Low temperature, high temperature solution heat exchanger, (PL
A)... Pump for dilute solution, (PA)... Pump for solution, (pm)... Pump for refrigerant liquid, (11), (
12), (13), (14), (15), (16), (
17), (18), (19), (20), (21)・
...Pipeline, (27)...Combustion heating chamber, (28)...
... Heater, (29) ... Cooler, (30) ...
Heater, (31)...Heat exchanger, (32)...
Cooler, (33)... passage, (D,), (D,).
...Duct, (40) ...Auxiliary generator, (50)
...Auxiliary condenser.
Claims (1)
の希溶液を低温発生器内で濃縮した後この溶液を燃焼ガ
スその他の高温熱源により高温発生器内でさらに濃縮し
て吸収器へ戻す溶液流路の形成された多重効用吸収冷凍
機において、低温発生器から高温発生器経由で吸収器へ
至る溶液流路にこれと並列な別の溶液流路が高温発生器
をバイパスするよう形成され、かつ、上記の並列な別の
溶液流路には低温発生器内で濃縮された溶液を高温発生
器の廃熱によりさらに濃縮する補助発生器が備えられて
成ることを特徴とした多重効用吸収冷凍機。(1) After concentrating the dilute solution from the absorber in the low-temperature generator using the heat of the refrigerant generated in the high-temperature generator, this solution is further concentrated in the high-temperature generator using combustion gas or other high-temperature heat source, and then sent to the absorber. In a multi-effect absorption refrigerator in which a returning solution flow path is formed, another solution flow path parallel to the solution flow path from the low temperature generator to the absorber via the high temperature generator is formed so as to bypass the high temperature generator. and the other parallel solution flow path is provided with an auxiliary generator for further concentrating the solution concentrated in the low temperature generator using waste heat of the high temperature generator. Absorption refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545886A JPH0694964B2 (en) | 1986-04-14 | 1986-04-14 | Multi-effect absorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8545886A JPH0694964B2 (en) | 1986-04-14 | 1986-04-14 | Multi-effect absorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62242776A true JPS62242776A (en) | 1987-10-23 |
| JPH0694964B2 JPH0694964B2 (en) | 1994-11-24 |
Family
ID=13859436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8545886A Expired - Lifetime JPH0694964B2 (en) | 1986-04-14 | 1986-04-14 | Multi-effect absorption refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0694964B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056160A (en) * | 1999-08-17 | 2001-02-27 | Tokyo Gas Co Ltd | Absorption hot and chilled water generator |
| JP2001056161A (en) * | 1999-08-17 | 2001-02-27 | Tokyo Gas Co Ltd | Absorption hot and chilled water generator |
-
1986
- 1986-04-14 JP JP8545886A patent/JPH0694964B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056160A (en) * | 1999-08-17 | 2001-02-27 | Tokyo Gas Co Ltd | Absorption hot and chilled water generator |
| JP2001056161A (en) * | 1999-08-17 | 2001-02-27 | Tokyo Gas Co Ltd | Absorption hot and chilled water generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0694964B2 (en) | 1994-11-24 |
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