JPH0399169A - Thermal driving type cold heat device utilizing metallic hydride - Google Patents
Thermal driving type cold heat device utilizing metallic hydrideInfo
- Publication number
- JPH0399169A JPH0399169A JP23515889A JP23515889A JPH0399169A JP H0399169 A JPH0399169 A JP H0399169A JP 23515889 A JP23515889 A JP 23515889A JP 23515889 A JP23515889 A JP 23515889A JP H0399169 A JPH0399169 A JP H0399169A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- heat exchanger
- hot water
- hydrogen
- metallic 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.)
- Granted
Links
- 150000004678 hydrides Chemical class 0.000 title abstract 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 229910052987 metal hydride Inorganic materials 0.000 claims description 18
- 150000004681 metal hydrides Chemical class 0.000 claims description 18
- 238000011084 recovery Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005338 heat storage Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は金属水素化物を利用した熱駆動型冷熱装置に関
するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a heat-driven cooling device using metal hydrides.
（ロ）従来の技術
金属水素化物を加熱すると高圧、冷却すると低圧になる
特性を利用し、絞り膨張等により極低温を発生するシス
テムが提案されており、例えば特公昭４７−３７０９０
号公報に開示されている。(b) Conventional technology A system has been proposed that takes advantage of the property that metal hydrides have high pressure when heated and low pressure when cooled to generate extremely low temperatures through throttle expansion, etc.
It is disclosed in the publication No.
（ハ） 発明が解決しようとする課題
しかしながら、この従来方式では、効率が極めて悪く、
特に、加熱に費やすエネルギーのほとんどは冷却器によ
り外部に放熱されるために冷凍機としての効率は悪い。(c) Problems to be solved by the invention However, this conventional method is extremely inefficient;
In particular, most of the energy spent on heating is radiated to the outside by the cooler, making it inefficient as a refrigerator.
本発明は、このような不都合を解決するために、金属水
素化物より加熱により発生する水素ガスの熱量及び反応
熱を回収し、給湯や暖房に有効に利用する熱駆動型冷熱
装置を提供することを目的とする。In order to solve such inconveniences, the present invention provides a heat-driven cooling device that recovers the heat of hydrogen gas and reaction heat generated by heating a metal hydride and effectively utilizes it for hot water supply and space heating. With the goal.
（二）課題を解決するための手段
本発明による熱駆動型冷熱装置は、平衡水素圧力が等し
い金属水素化物を収納した対をなす金属水素化物収納容
器と、該収納容器に切換手段により交互に接続される加
熱部と蓄熱槽を備えた熱回収部と、前記各収納容器に逆
止弁を介して水素導管により接続される冷凍機と、前記
水素導管を流れる高温高圧の水素ガスを冷却するガス−
水熱交換器とより構成し前記熱回収部には前記熱交ＩＱ
器を経由して冷却水を流通せしめて温水を取出すように
したものである。(2) Means for Solving the Problems The heat-driven cooling and heating apparatus according to the present invention includes a pair of metal hydride storage containers storing metal hydrides having the same equilibrium hydrogen pressure, and a switching means that alternately connects the storage containers to each other. A heat recovery unit that includes a heating unit and a heat storage tank that are connected to each other, a refrigerator that is connected to each storage container through a hydrogen conduit via a check valve, and cools the high temperature and high pressure hydrogen gas that flows through the hydrogen conduit. Gas-
The heat exchanger includes a water heat exchanger, and the heat recovery section includes the heat exchanger IQ.
Hot water is extracted by circulating cooling water through a container.
（ホ）作 用
上記の構成により、加熱部からの加熱で冷凍機で極低温
を発生させ又加熱した水素ガス及び金属水素化物の熱容
量や反応熱は給湯や暖房に利用される。(E) Effect With the above configuration, a cryogenic temperature is generated in the refrigerator by heating from the heating section, and the heat capacity and reaction heat of the heated hydrogen gas and metal hydride are used for hot water supply and space heating.
（へ）実施例 以下本発明の実施例を第１図に基づき説明する。(f) Example Embodiments of the present invention will be described below with reference to FIG.
（１）及び（２）は平衡水素圧力が等しいＬａＮｉｑ系
の金属水素化物を収納した対をなす金属水素化物収納容
器、該収納容器には３方弁（３ａ） （３ｂ） （３ｃ
）（３ｄ）及び管体（４ａ） （４ｂ）により楕戊され
る切ｆＡ手段（５）を介して蓄熱槽（図示せず〉を備え
た熱回収部（６）と加熱部（７）とが交互に接続される
。前記加熱部（７）は、例えばボイラー等であり、熱媒
体（例えば、オイル等〉を加熱し、前記３方弁（３ａ）
（３ｂｌ （３ｃｌ （３ｄ）の切換えにより金属水素
化物収納容器（１）又は（２）に熱媒体を熱交換的に送
り込む。(1) and (2) are a pair of metal hydride storage containers containing LaNiq-based metal hydrides with the same equilibrium hydrogen pressure; the storage containers have three-way valves (3a) (3b) (3c);
) (3d) and the tubular bodies (4a) (4b), the heat recovery section (6) equipped with a heat storage tank (not shown) and the heating section (7) are The heating section (7) is, for example, a boiler, heats a heat medium (for example, oil, etc.), and connects the three-way valve (3a).
(By switching 3bl (3cl (3d)), the heat medium is sent into the metal hydride storage container (1) or (2) in a heat exchange manner.
前記収納容器（１）及び（２）には夫々逆止弁（８ａ）
（８ｂ）及び（８ｃ） （８ｄｌが接続されている。前
記逆止弁（８ａ） （８ｃ）には水素導管（９）が、又
前記逆止弁（８ｂ）（８ｄ）には水素導管（ＩＯ）が接
続されており、前記両水素導管（９ １ （１０）には
膨張型の冷凍機（Ｉｌｌが接続されている。Each of the storage containers (1) and (2) is provided with a check valve (8a).
(8b) and (8c) (8dl are connected. The check valves (8a) and (8c) are connected to a hydrogen conduit (9), and the check valves (8b) and (8d) are connected to a hydrogen conduit (9). IO) is connected, and an expansion type refrigerator (Ill) is connected to both hydrogen conduits (9 1 (10)).
（１２）は前記水素導管（９）を冷却するガス−水熱交
換器で該熱交換器を流れる冷却水は導管（１３）により
熱回収部（６）に導びかれて温水として給湯負荷または
暖房負荷（図示せず〉に供給される。(12) is a gas-water heat exchanger that cools the hydrogen conduit (9), and the cooling water flowing through the heat exchanger is led to the heat recovery section (6) through the conduit (13) and used as hot water to serve the hot water supply load or A heating load (not shown) is supplied.
前記加熱部（７）及び切換手段（５）の３方弁（３ａ）
（３ｂ） （３ｃ） （３ｄｌは冷凍機（１１１の入口
部と出口部の圧力等で制御部（ｌ４）より一元的に制御
される。Three-way valve (3a) of the heating section (7) and switching means (5)
(3b) (3c) (3dl is centrally controlled by the control unit (14) using the pressure at the inlet and outlet of the refrigerator (111).
次に動作について説明する。Next, the operation will be explained.
本発明による熱駆動型冷熱装置に使用されるＬａＮ１，
系金属水素化物の温度と圧力の特性図を第２図に示す。LaN1 used in the thermally driven cooling device according to the present invention,
Figure 2 shows the temperature and pressure characteristics of the metal hydride.
まず最初に加熱部（７）をボイラーにより加熱し、２５
０℃に加熱された熱媒オイルを収納容器（２）に熱交換
的に送り込む。前記収納容器（２）内の金属水素化物は
２００℃に加熱され、第２図に示すように水素は高圧（
１０ａｔｍ）となる。これにより逆止弁（８ｃ）は開き
、水素ガスは水素導管（９）を通り、ガス−水熱交換器
（ｌ２）を通る。前記熱交換器（ｌ２）には冷却水（３
２℃〉が送り込まれており、これと熱交換し、２００℃
の水素ガスは３２℃となる。冷却により高圧、常温とな
った水素ガスは、冷凍機＜１１１で断熱膨張され、−１
５０℃以下の極低温を発生する。First, the heating section (7) is heated by a boiler,
Heat medium oil heated to 0°C is sent into the storage container (2) in a heat exchange manner. The metal hydride in the storage container (2) is heated to 200°C, and the hydrogen is heated to high pressure (
10 atm). This opens the check valve (8c) and the hydrogen gas passes through the hydrogen conduit (9) and through the gas-water heat exchanger (12). Cooling water (3
2℃〉 is sent in, heat exchanges with this, and the temperature reaches 200℃.
The temperature of hydrogen gas is 32°C. Hydrogen gas, which has been cooled to high pressure and room temperature, is adiabatically expanded in a refrigerator <111 and -1
Generates extremely low temperatures below 50°C.
膨張し冷凍に費やされた後水素ガスは、水素導管（１０
）及び逆止弁（８ｂ）を通り収納容器（１）の金属水素
化物に発熱的に吸蔵され１００℃以上となる。蓄熱槽を
備えた熱回収部（６）は、収納容器（１）と熱交換的に
接続され吸蔵により発生した熱は熱媒体に蓄熱される。After expanding and spending on refrigeration, the hydrogen gas is transferred to the hydrogen conduit (10
) and the check valve (8b), and is exothermically occluded by the metal hydride in the storage container (1), reaching a temperature of 100°C or higher. A heat recovery unit (6) equipped with a heat storage tank is connected to the storage container (1) in a heat exchange manner, and the heat generated by storage is stored in a heat medium.
前記ガス−水熱交換器（１２）を流通した冷却水は導管
（１３）により熱回収部（６）に導かれ、ここで前記収
納容器（１）で水素ガスの吸蔵により発熱した熱を吸収
して７０℃の温水となり、給湯又は暖房に供される。The cooling water that has passed through the gas-water heat exchanger (12) is led to the heat recovery section (6) through the conduit (13), where it absorbs the heat generated by the storage of hydrogen gas in the storage container (1). The resulting hot water becomes 70°C and is used for hot water supply or space heating.
前記収納容器（２）は水素の放出により吸熱的に冷却さ
れるが、加熱部（７）の加熱により補なわれる。ある程
度水素が収納容器（１）に吸蔵された後３方弁（３ａ）
（３ｂ） （３ｃ） （３ｄｌ及び管体（４ａ） （
４ｂ）により楕戒される切換手段（５）の切換により、
収納容器（１）を加熱部（７）に、収納容器（２）を熱
回収部（６）と熱交換的に接続し、前述と同様なサイク
ルを繰り返すことにより連続的に出熱する。The storage container (2) is endothermically cooled by the release of hydrogen, but this is supplemented by the heating of the heating section (7). After a certain amount of hydrogen has been stored in the storage container (1), the 3-way valve (3a)
(3b) (3c) (3dl and tube body (4a) (
By switching the switching means (5) as specified by 4b),
The storage container (1) is connected to the heating section (7), the storage container (2) is connected to the heat recovery section (6) in a heat exchange manner, and heat is continuously output by repeating the same cycle as described above.
（ト）発明の効果 本発明の実施に伴う効果は次の通りである。(g) Effects of the invention The effects of implementing the present invention are as follows.
（１）加熱により極低温を発生し、更に反応熱も給湯や
暖房等に利用できる。(1) Extremely low temperatures are generated by heating, and the reaction heat can also be used for hot water supply, space heating, etc.
（２）水素ガスの熱容量も回収し利用できる。(2) The heat capacity of hydrogen gas can also be recovered and used.
（３） 切換時の金属水素化物の熱容量も回収し利用で
きる。(3) The heat capacity of the metal hydride during switching can also be recovered and used.
第１図は本発明の実施例を示す熱駆動型冷熱装置のシス
テム構成図、第２図は本発明装置に使用される金属水素
化物のサイクル線図を示す特性図である。
（１）（２）・・・金属水素化物収納容器、（５）・・
・切換手段、（６）・・・熱回収部、（７）・・・加熱
部、（９ １ （１０１・・・水素導管、（１１）・・
・冷凍機、（ｌ２）・・・ガス−水熱交換器、（１４）
・・・制御部。FIG. 1 is a system configuration diagram of a heat-driven cooling and cooling device showing an embodiment of the present invention, and FIG. 2 is a characteristic diagram showing a cycle diagram of a metal hydride used in the device of the present invention. (1)(2)...Metal hydride storage container, (5)...
・Switching means, (6)... Heat recovery section, (7)... Heating section, (9 1 (101... Hydrogen conduit, (11)...
- Refrigerator, (l2)...Gas-water heat exchanger, (14)
...control section.
Claims (1)
なす金属水素化物収納容器と、該収納容器に切換手段に
より交互に接続される加熱部と蓄熱槽を備えた熱回収部
と、前記各収納容器に逆止弁を介して水素導管により接
続される冷凍機と、前記水素導管を流れる高温高圧の水
素ガスを冷却するガス−水熱交換器とより構成し、前記
熱回収部には前記熱交換器を経由して冷却水を流通せし
めて温水として取出すようにしたことを特徴とする金属
水素化物を利用した熱駆動型冷熱装置。1) A pair of metal hydride storage containers storing metal hydrides having the same equilibrium hydrogen pressure, a heat recovery section equipped with a heating section and a heat storage tank alternately connected to the storage containers by a switching means, and each of the above-mentioned It consists of a refrigerator connected to the storage container via a hydrogen conduit through a check valve, and a gas-water heat exchanger that cools the high temperature and high pressure hydrogen gas flowing through the hydrogen conduit, and the heat recovery section includes the A heat-driven cooling and cooling device using a metal hydride, characterized in that cooling water is made to flow through a heat exchanger and taken out as hot water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23515889A JP2703360B2 (en) | 1989-09-11 | 1989-09-11 | Heat-driven chiller using metal hydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23515889A JP2703360B2 (en) | 1989-09-11 | 1989-09-11 | Heat-driven chiller using metal hydride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0399169A true JPH0399169A (en) | 1991-04-24 |
| JP2703360B2 JP2703360B2 (en) | 1998-01-26 |
Family
ID=16981911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23515889A Expired - Lifetime JP2703360B2 (en) | 1989-09-11 | 1989-09-11 | Heat-driven chiller using metal hydride |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2703360B2 (en) |
-
1989
- 1989-09-11 JP JP23515889A patent/JP2703360B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2703360B2 (en) | 1998-01-26 |
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