JPH0212321B2 - - Google Patents
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- Publication number
- JPH0212321B2 JPH0212321B2 JP58205625A JP20562583A JPH0212321B2 JP H0212321 B2 JPH0212321 B2 JP H0212321B2 JP 58205625 A JP58205625 A JP 58205625A JP 20562583 A JP20562583 A JP 20562583A JP H0212321 B2 JPH0212321 B2 JP H0212321B2
- Authority
- JP
- Japan
- Prior art keywords
- medium
- temperature
- steam
- heat
- metal hydride
- 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
- 238000010438 heat treatment Methods 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 229910052987 metal hydride Inorganic materials 0.000 claims description 23
- 150000004681 metal hydrides Chemical class 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
- Sorption Type Refrigeration Machines (AREA)
Description
【発明の詳細な説明】
本発明は蒸気発生装置に関し、詳しくは、金属
水素化物を利用した熱交換性能にすぐれる蒸気発
生装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a steam generator, and more particularly, to a steam generator that utilizes metal hydrides and has excellent heat exchange performance.
ある種の金属や合金が発熱的に水素を吸蔵して
金属水素化物を形成し、また、この金属水素化物
が可逆的に吸熱的に水素を放出することが知られ
ており、近年、このような金属水素化物の特性を
利用したヒートポンプ装置等、種々の装置が提案
されている。 It is known that certain metals and alloys exothermically absorb hydrogen to form metal hydrides, and that these metal hydrides reversibly and endothermically release hydrogen. Various devices have been proposed, such as heat pump devices that utilize the characteristics of metal hydrides.
しかし、一般にヒートポンプ装置は、金属水素
化物が熱交換器を兼ねる密閉容器に充填されて構
成されており、この熱交換器との熱交換によつて
被加熱物を加熱するので、ヒートポンプ装置にて
低温蒸気を加熱して高温蒸気を得るには、蒸気の
熱伝達率が著しく低いために、熱交換器にフイン
を多数設ける必要があり、この結果、熱交換器の
熱容量が大きくなつて、ヒートポンプ装置の成績
係数が低下し、効率よく高温膨張弁が設けられた
蒸気を得ることができない。 However, in general, a heat pump device is constructed by filling a closed container with a metal hydride that also serves as a heat exchanger, and heats the object by exchanging heat with this heat exchanger. In order to obtain high-temperature steam by heating low-temperature steam, the heat transfer coefficient of steam is extremely low, so it is necessary to provide a heat exchanger with many fins. The coefficient of performance of the device decreases, making it impossible to efficiently obtain steam equipped with a high-temperature expansion valve.
本発明は金属水素化物ヒートポンプを利用する
蒸気発生装置における上記問題を解決するために
なされたものであつて、熱交換性能にすぐれる蒸
気発生装置を提供することを目的とし、特に、低
温の蒸気から高温の蒸気を得るのに好適な蒸気発
生装置を提供することを目的とする。 The present invention was made in order to solve the above-mentioned problems in steam generators using metal hydride heat pumps, and aims to provide a steam generator with excellent heat exchange performance. An object of the present invention is to provide a steam generator suitable for obtaining high-temperature steam from.
本発明の蒸気発生装置は、
(a) 中温熱媒供給管と、蒸気取出管を有する熱媒
容器と、
(b) この熱媒容器内に収容され、作動温度領域に
おいて水素平衡分解圧の低い第１の金属水素化
物が充填された第１の反応容器と、
(c) 上記第１の容器に連通され、作動温度領域に
おいて水素平衡分解圧の高い第２の金属水素化
物が充填されていると共に、中温熱媒と低温熱
媒とに切換え可能に熱交換し得る第２の反応容
器とを有し、
(d) 中温熱媒としての蒸気又は熱水を熱媒容器に
加圧供給して、上記中温熱媒が蒸気であるとき
は、少なくともその一部を液化させると共に、
第１の反応容器内の第１の金属水素化物を加熱
して水素を放出させ、同時に第２の反応容器を
低温熱媒と熱交換させて冷却し、上記水素を第
２の金属水素化物に吸蔵させ、次いで、第１の
反応容器内の温度が低下した蒸気又は熱水を排
出し、新たに中温熱媒としての蒸気又は熱水を
加圧供給し、上記中温熱媒が蒸気であるとき
は、少なくともその一部を液化させた後、第２
の反応容器を中温熱媒と熱交換させて第２の金
属水素化物を加熱して水素を放出させ、この水
素を第１の金属水素化物に発熱的に吸蔵させ
て、少なくとも一部が液化した前記中温熱媒を
加熱し、前記膨張弁により減圧膨張して高温の
蒸気を得ることを特徴とする。 The steam generator of the present invention comprises: (a) a heat medium container having an intermediate temperature heat medium supply pipe and a steam extraction pipe; (c) a first reaction vessel filled with a first metal hydride; and (c) a second metal hydride communicated with the first vessel and filled with a second metal hydride having a high hydrogen equilibrium decomposition pressure in the operating temperature range. and a second reaction vessel capable of switchably exchanging heat between a medium-temperature heat medium and a low-temperature heat medium; (d) pressurized supply of steam or hot water as a medium-temperature heat medium to the heat medium container; , when the medium-temperature heating medium is vapor, at least a part of it is liquefied, and
The first metal hydride in the first reaction vessel is heated to release hydrogen, and at the same time, the second reaction vessel is cooled by heat exchange with a low-temperature heating medium, and the hydrogen is converted into the second metal hydride. Then, the steam or hot water whose temperature has decreased in the first reaction vessel is discharged, and steam or hot water as a medium-temperature heating medium is newly supplied under pressure, and when the medium-temperature heating medium is steam. after liquefying at least a portion of it, the second
The second metal hydride is heated by exchanging heat with a medium-temperature heating medium to release hydrogen, and the hydrogen is exothermically occluded in the first metal hydride so that at least a portion of the metal hydride is liquefied. The method is characterized in that the medium-temperature heat medium is heated and expanded under reduced pressure by the expansion valve to obtain high-temperature steam.
以下に図面に基づいて本発明の蒸気発生装置を
説明する。 The steam generator of the present invention will be explained below based on the drawings.
第１図は本発明の蒸気発生装置の一実施例を示
す。 FIG. 1 shows an embodiment of the steam generator of the present invention.
第１の容器１には作動温度領域において水素平
衡分解圧の低い第１の金属水素化物MH１が充填
され、この反応容器は第１の熱媒容器２内に収容
されている。この熱媒容器には中温熱媒としての
蒸気又は熱水が供給される中温熱媒供給管３が切
換え弁４を介して接続されていると共に、必要に
応じてこの中温熱媒を排出するための開閉弁５を
備えた中温熱媒排出管６が接続されており、更
に、後述するようにして高温に加熱された上記熱
媒を膨張弁７により減圧膨張して高温蒸気を取出
すための蒸気取出管８が接続されている。 The first container 1 is filled with a first metal hydride MH1 having a low hydrogen equilibrium decomposition pressure in the operating temperature range, and this reaction container is housed in the first heat medium container 2. A medium-temperature heat medium supply pipe 3 through which steam or hot water as a medium-temperature heat medium is supplied is connected to this heat medium container via a switching valve 4, and the medium-temperature heat medium is discharged as necessary. A medium-temperature heat medium discharge pipe 6 equipped with an on-off valve 5 is connected to the medium-temperature heat medium discharge pipe 6, which is further connected to a medium-temperature heat medium discharge pipe 6 equipped with an on-off valve 5, and is further connected to a steam pipe for extracting high-temperature steam by decompressing and expanding the heat medium heated to a high temperature by an expansion valve 7 as described later. A take-out pipe 8 is connected.
第２の反応容器９には作動温度領域において水
素平衡分解圧の高い第２の金属水素化物MH２が
充填され、第２の熱媒容器１０内に収容されてい
る。この熱媒容器には前記切換え弁４と切換え弁
１１を介して前記中温熱媒と低温熱媒とを切換え
可能に供給するために熱媒管１２が接続されてい
ると共に、熱媒出口管１３が接続されている。ま
た、この第２の反応容器は開閉弁１４を備えた水
素流通管１５により第１の反応容器に連通されて
いる。 The second reaction vessel 9 is filled with a second metal hydride MH2 having a high hydrogen equilibrium decomposition pressure in the operating temperature range, and is housed in the second heat medium vessel 10. A heat medium pipe 12 is connected to this heat medium container in order to switchably supply the medium temperature heat medium and low temperature heat medium via the changeover valve 4 and the changeover valve 11, and a heat medium outlet pipe 13 is connected to the heat medium container. is connected. Further, this second reaction vessel is communicated with the first reaction vessel through a hydrogen flow pipe 15 equipped with an on-off valve 14.
但し、上記した熱媒の管系及び切換え弁は単に
例示にすぎず、各熱媒容器に所定の温度の熱媒が
切換え可能に流通される限りは、他の任意の手段
によることができる。また、第２の熱媒容器１０
に供給する中温熱媒は、第１の熱媒容器２に供給
する中温熱媒と異ならせてもよい。 However, the above-described heat medium pipe system and switching valve are merely examples, and any other means may be used as long as the heat medium at a predetermined temperature is switchably distributed to each heat medium container. In addition, the second heat medium container 10
The intermediate temperature heating medium supplied to the first heating medium container 2 may be different from the intermediate temperature heating medium supplied to the first heating medium container 2 .
以下に上記の装置の作動をサイクル線図を示す
第２図に基づいて説明する。横軸は絶対温度Ｔの
逆数、縦軸は金属水素化物の水素平衡分解圧Ｐの
対数である。 The operation of the above device will be explained below based on FIG. 2 which shows a cycle diagram. The horizontal axis is the reciprocal of the absolute temperature T, and the vertical axis is the logarithm of the hydrogen equilibrium decomposition pressure P of the metal hydride.
先ず、中温熱媒管３により第１の熱媒容器２に
中温熱媒としての温度TMの蒸気又は熱水を加圧
供給してMH１を加熱すると共に、第２の熱媒容
器１０に温度TLの低温熱媒を供給してMH２を
冷却し、図示したようにMH１とMH２の水素平
衡分解圧に差圧を生ぜしめると共に、MH１を水
素を放出し、MH２はこの水素を吸蔵する。本発
明においては、上記のように第１の熱媒容器に中
温熱媒として蒸気を用いるとき、これを熱媒容器
内に加圧供給してその圧力を増大させると共に、
第１の反応容器との熱交換によつて少なくとも一
部を液化させることが必要である。しかし、蒸気
は同時に温度が低下し、また、中温熱媒として熱
水を用いるときも、同様にその温度が低下する。
従つて、このように温度が低下した蒸気又は熱水
は、開閉弁５を開けて中温熱媒排出管６から熱媒
容器外に排出しつつ、新たに中温熱媒を供給す
る。 First, steam or hot water at a temperature TM as a medium-temperature heat medium is supplied under pressure to the first heat medium container 2 through the medium-temperature heat medium pipe 3 to heat the MH1, and at the same time, the second heat medium container 10 is supplied with a temperature TL. MH2 is cooled by supplying a low-temperature heating medium to create a pressure difference between the hydrogen equilibrium decomposition pressures of MH1 and MH2 as shown in the figure, and MH1 releases hydrogen, while MH2 stores this hydrogen. In the present invention, when steam is used as the intermediate temperature heating medium in the first heating medium container as described above, the steam is supplied under pressure into the heating medium container to increase the pressure, and
It is necessary to liquefy at least a portion by heat exchange with the first reaction vessel. However, the temperature of steam decreases at the same time, and when hot water is used as a medium-temperature heating medium, the temperature also decreases.
Therefore, the steam or hot water whose temperature has decreased in this way is discharged outside the heat medium container from the medium temperature heat medium discharge pipe 6 by opening the on-off valve 5, and a new medium temperature heat medium is supplied.
次に、上記のようにして、第１の熱媒容器に少
なくとも一部熱水を有する熱媒を存在させ、又は
新たに熱水を供給すると共に、切換え弁４及び１
１を操作して、第２の熱媒容器１０に中温熱媒を
導入してMH２を温度TMに加熱し、MH２と
MH１との間に水素平衡分解圧の差圧を生ぜしめ
ることにより、MH２は水素を放出し、これを
MH１が発熱的に吸蔵する。本発明においては、
この発熱反応によつて第１の熱媒容器内の中温熱
媒、特に熱水を温度THの高温に加熱し、この高
温に加熱された熱水を膨張弁により減圧膨張して
高温の蒸気を蒸気取出管８より得るのは前記した
とおりである。 Next, as described above, a heating medium containing at least a portion of hot water is made to exist in the first heating medium container, or hot water is newly supplied, and the switching valves 4 and 1 are
1, introduce a medium-temperature heating medium into the second heating medium container 10 to heat MH2 to the temperature TM, and mix MH2 and
By creating a hydrogen equilibrium decomposition pressure difference between MH1 and MH1, MH2 releases hydrogen, which is then
MH1 occludes exothermically. In the present invention,
This exothermic reaction heats the medium-temperature heat medium, especially hot water, in the first heat medium container to a high temperature of TH, and the hot water heated to high temperature is expanded under reduced pressure by an expansion valve to produce high-temperature steam. The steam obtained from the steam extraction pipe 8 is as described above.
第３図は、特に中温熱媒として蒸気を用いる場
合に好適な本発明の装置の実施例における第１の
熱媒容器を示する。第２図におけると同様に、第
１の熱媒容器２は、中温熱媒供給管３、その排出
管６及び蒸気取出管８を有し、内部にはMH１を
充填した第１の反応容器１を収容しており、この
反応容器は水素連通管によつて第２の反応容器に
連通されている。特に、この第１の熱媒容器にお
いては、容器底部から戻し管１６が容器上部の撒
水管１８に導かれており、液化蒸気を戻し管によ
りポンプ１７にて撒水管１８に循環して導き、反
応容器上に散布する。従つて、この装置によれ
ば、MH１の発熱反応時、中温熱媒と第１の反応
容器と熱交換を効率よく行なうことができる。 FIG. 3 shows a first heat medium container in an embodiment of the apparatus of the present invention, which is particularly suitable when steam is used as a medium temperature heat medium. As in FIG. 2, the first heat medium container 2 has a medium-temperature heat medium supply pipe 3, its discharge pipe 6, and a steam extraction pipe 8, and has a first reaction container 1 filled with MH1 inside. This reaction vessel is connected to a second reaction vessel via a hydrogen communication tube. In particular, in this first heating medium container, a return pipe 16 is led from the bottom of the container to a water sprinkling pipe 18 at the top of the container, and the liquefied steam is circulated and guided to the water sprinkling pipe 18 by a pump 17 through the return pipe. Spray onto the reaction vessel. Therefore, according to this apparatus, during the exothermic reaction of MH1, heat can be efficiently exchanged between the intermediate temperature heating medium and the first reaction vessel.
尚、以上は第１と第２の反応容器をそれぞれ熱
媒容器に収容してなる単一の作動対を用いる場合
について説明したが、このような作動対を複数対
設け、各対における第１の反応容器の発熱反応を
利用して交互に又は順次に中温熱媒を加熱しても
よい。 In addition, although the case where a single working pair consisting of the first and second reaction vessels each housed in a heat medium container is used has been described above, a plurality of such working pairs are provided, and the first The intermediate temperature heating medium may be heated alternately or sequentially by utilizing the exothermic reaction of the reaction vessel.
本発明の装置によれば、以上のように、第１の
熱媒容器に中温熱媒としての蒸気又は熱水を加圧
供給し、蒸気の場合はこれを少なくとも一部液化
させて、第１の反応容器と熱交換させるので、低
温蒸気を直接に第１の反応容器と熱交換させて加
熱する場合と異なり、第１の反応容器の熱容量を
小さくして高い熱交換性能で中温熱媒を加熱する
ことができ、このようにして、低温蒸気から高温
蒸気を熱交換性能よく得ることができる。 According to the apparatus of the present invention, as described above, steam or hot water as a medium-temperature heating medium is supplied under pressure to the first heating medium container, and in the case of steam, at least part of it is liquefied, and the first Unlike the case where low-temperature steam is heated by directly exchanging heat with the first reaction vessel, it is possible to reduce the heat capacity of the first reaction vessel and use medium-temperature heat medium with high heat exchange performance. In this way, high-temperature steam can be obtained from low-temperature steam with good heat exchange performance.
本発明の装置による作動例を一実験に基づいて
説明すれば、MH１としてLaCo5を10Kg、MH２
としてLaNi4.75Al0.2510Kgを用いる作動対を構成
し、このような作動対を２対有する所謂４ボンベ
型装置において、中温熱媒として温度105℃の蒸
気を熱媒容器内に圧力５Kg／cm2で加圧供給し、低
温熱媒温度を30℃としたとき、150℃の蒸気を
2000Kcal／時の出力で得ることができ、この際、
装置の成績係数は0.40であつた。 To explain an example of the operation of the device of the present invention based on an experiment, 10 kg of LaCo 5 is used as MH1,
In a so-called 4 -cylinder type device having two pairs of such working pairs, vapor at a temperature of 105 °C as a medium-temperature heating medium is placed in a heating medium container at a pressure of 5 kg/cm 2 . When the temperature of the low-temperature heat medium is 30℃, steam at 150℃ is supplied under pressure.
It can be obtained with an output of 2000Kcal/hour, and at this time,
The coefficient of performance of the device was 0.40.
第１図は本発明の装置の一実施例を示す断面
図、第２図は本発明の装置の作動を説明するため
のサイクル線図、第３図は本発明の装置の別の実
施例における第１の熱媒容器を示す断面図であ
る。
１…第１の反応容器、２…第１の熱媒容器、３
…中温熱媒供給管、６…中温熱媒排出管、７…膨
張弁、８…蒸気取出管、９…第２の反応容器、１
０…第２の熱媒容器、１２…熱媒管。
Fig. 1 is a sectional view showing one embodiment of the device of the present invention, Fig. 2 is a cycle diagram for explaining the operation of the device of the present invention, and Fig. 3 is a cross-sectional view of another embodiment of the device of the present invention. It is a sectional view showing a first heat medium container. 1... First reaction container, 2... First heat medium container, 3
... medium temperature heat medium supply pipe, 6 ... medium temperature heat medium discharge pipe, 7 ... expansion valve, 8 ... steam extraction pipe, 9 ... second reaction vessel, 1
0...Second heat medium container, 12...Heat medium pipe.
Claims (1)
蒸気取出管を有する熱媒容器と、 (b) この熱媒容器内に収容され、作動温度領域に
おいて水素平衡分解圧の低い第１の金属水素化
物が充填された第１の反応容器と、 (c) 上記第１の容器に連通され、作動温度領域に
おいて水素平衛分解圧の高い第２の金属水素化
物が充填されていると共に、中温熱媒と低温熱
媒とに切換え可能に熱交換し得る第２の反応容
器とを有し、 (d) 中温熱媒としての蒸気又は熱水を熱媒容器に
加圧供給して、上記中温熱媒が蒸気であるとき
は、少なくともその一部を液化させると共に、
第１の反応容器内の第１の金属水素化物を加熱
して水素を放出させ、同時に第２の反応容器を
低温熱媒と熱交換させて冷却し、上記水素を第
２の金属水素化物に吸蔵させ、次いで、第１の
反応容器内の温度が低下した蒸気又は熱水を排
出し、新たに中温熱媒としての蒸気又は熱水を
加圧供給し、上記中温熱媒が蒸気であるとき
は、少なくともその一部を液化させた後、第２
の反応容器を中温熱媒と熱交換させて第２の金
属水素化物を加熱して水素を放出させ、この水
素を第１の金属水素化物に発熱的に吸蔵させ
て、少なくとも一部が液化した前記中温熱媒を
加熱し、前記膨張弁により減圧膨張して高温の
蒸気を得ることを特徴とする蒸気発生装置。[Scope of Claims] 1 (a) A heat medium container having a medium-temperature heat medium supply pipe and a steam extraction pipe provided with an expansion valve; (c) a second reaction vessel filled with a first metal hydride having a low equilibrium decomposition pressure; a second reaction vessel which is filled with a compound and which can switchably exchange heat between a medium-temperature heat medium and a low-temperature heat medium; When the medium-temperature heat medium is vapor, at least a part of it is liquefied, and
The first metal hydride in the first reaction vessel is heated to release hydrogen, and at the same time, the second reaction vessel is cooled by heat exchange with a low-temperature heating medium, and the hydrogen is converted into the second metal hydride. Then, the steam or hot water whose temperature has decreased in the first reaction vessel is discharged, and steam or hot water as a medium-temperature heating medium is newly supplied under pressure, and when the medium-temperature heating medium is steam. after liquefying at least a portion of it, the second
The second metal hydride is heated by exchanging heat with a medium-temperature heating medium to release hydrogen, and the hydrogen is exothermically occluded in the first metal hydride so that at least a portion of the metal hydride is liquefied. A steam generator characterized in that the intermediate temperature heating medium is heated and expanded under reduced pressure by the expansion valve to obtain high-temperature steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20562583A JPS6096801A (en) | 1983-10-31 | 1983-10-31 | Steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20562583A JPS6096801A (en) | 1983-10-31 | 1983-10-31 | Steam generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6096801A JPS6096801A (en) | 1985-05-30 |
| JPH0212321B2 true JPH0212321B2 (en) | 1990-03-20 |
Family
ID=16509981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20562583A Granted JPS6096801A (en) | 1983-10-31 | 1983-10-31 | Steam generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6096801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0672526U (en) * | 1993-02-25 | 1994-10-11 | 啓三郎 佐古田 | Cooking pot |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62131101A (en) * | 1985-12-02 | 1987-06-13 | 工業技術院長 | Steam generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5795571A (en) * | 1980-12-08 | 1982-06-14 | Sekisui Chemical Co Ltd | Heater/cooler |
| JPS5889678A (en) * | 1981-11-20 | 1983-05-28 | Agency Of Ind Science & Technol | Absorption of fluctuation in heat load in batch type operation |
-
1983
- 1983-10-31 JP JP20562583A patent/JPS6096801A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5795571A (en) * | 1980-12-08 | 1982-06-14 | Sekisui Chemical Co Ltd | Heater/cooler |
| JPS5889678A (en) * | 1981-11-20 | 1983-05-28 | Agency Of Ind Science & Technol | Absorption of fluctuation in heat load in batch type operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0672526U (en) * | 1993-02-25 | 1994-10-11 | 啓三郎 佐古田 | Cooking pot |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6096801A (en) | 1985-05-30 |
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