JPS633727A - Apparatus for storing perishables - Google Patents
Apparatus for storing perishablesInfo
- Publication number
- JPS633727A JPS633727A JP14877186A JP14877186A JPS633727A JP S633727 A JPS633727 A JP S633727A JP 14877186 A JP14877186 A JP 14877186A JP 14877186 A JP14877186 A JP 14877186A JP S633727 A JPS633727 A JP S633727A
- Authority
- JP
- Japan
- Prior art keywords
- carbon dioxide
- solid fuel
- combustion
- air
- refrigerator
- 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.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 63
- 239000004449 solid propellant Substances 0.000 claims description 40
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 239000001569 carbon dioxide Substances 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 26
- 230000007423 decrease Effects 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Storage Of Harvested Produce (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】
産業上の利用分野
本発明は、生鮮物の置かれている雰囲気の空気組成を調
節することにより、呼吸作用や微生物、酵素などの活動
を抑制する貯蔵装置として、生鮮物貯蔵の分野に利用さ
れる。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is useful for storing fresh food as a storage device that suppresses respiration and the activities of microorganisms, enzymes, etc. by adjusting the air composition of the atmosphere in which fresh food is placed. Used in the field of storage.
従来の貯蔵装置は、例えば加藤薫「新しい資源方式〇Ａ
貯蔵システムについて」（空気調和と冷凍１９７４−７
Ｐ１９１ ）に示されるように、第３図のような構成に
なっていた。すなわち、ボンベ等より供給された燃料と
循環用送風機１により、冷蔵庫２から供給された空気３
が混合し、二酸化炭素発生装置４内で燃焼して二酸化炭
素を発生させる。そして二酸化炭素発生装置４で発生し
た二酸化炭素は冷蔵庫２へ供給されるために、冷蔵庫２
内の酸素は減少し、二酸化炭素を増加する。二酸化炭素
濃度が設定値になればスクラバ５を運転し、過剰な二酸
化炭素を吸着する。次に酸素濃度が設定値になれば、二
酸化炭素発生装置４を停止し、酸素補給用送風機６を運
転して、生鮮物の置かれている雰囲気の空気組成を一定
に保つようにして、生鮮物の貯蔵を行うものである。Conventional storage devices are, for example, Kaoru Kato's ``New Resource Method A
"On Storage Systems" (Air Conditioning and Refrigeration 1974-7)
As shown on page 191), it had a configuration as shown in Figure 3. That is, the air 3 supplied from the refrigerator 2 is made up of fuel supplied from a cylinder or the like and the circulation blower 1.
are mixed and burned in the carbon dioxide generator 4 to generate carbon dioxide. Since the carbon dioxide generated by the carbon dioxide generator 4 is supplied to the refrigerator 2, the refrigerator 2
Oxygen in the body decreases and carbon dioxide increases. When the carbon dioxide concentration reaches the set value, the scrubber 5 is operated to adsorb excess carbon dioxide. Next, when the oxygen concentration reaches the set value, the carbon dioxide generator 4 is stopped and the oxygen supply blower 6 is operated to maintain a constant air composition in the atmosphere in which the perishables are placed. It is used to store things.
発明が解決しようとする問題点
しかしこのような構造の生鮮物貯蔵装置の燃料に石油系
のガス燃料を用いると、排気ガス中に多量の水蒸気を含
むために、この水蒸気を凝縮させるために非常に大きな
凝縮器が必要になるという問題があった。Problems to be Solved by the Invention However, when a petroleum-based gas fuel is used as fuel for a perishables storage device having such a structure, the exhaust gas contains a large amount of water vapor, so it takes a very long time to condense this water vapor. The problem was that a large condenser was required.
そこで燃料に炭素純度の高い固体燃料を用いると水蒸気
の発生という問題を避けることができる。Therefore, if a solid fuel with high carbon purity is used as the fuel, the problem of water vapor generation can be avoided.
しかし、燃焼が経過していくにつれ、固体燃料の表面積
が減少するために燃料消費量が減少し、仁のために二酸
化炭素の発生量が低下し、冷蔵庫２内の空気組成を設定
値に到達させるのに長時間を要するという、新たな問題
が生じてきた。However, as the combustion progresses, the surface area of the solid fuel decreases, so the fuel consumption decreases, and the amount of carbon dioxide produced decreases, causing the air composition in the refrigerator 2 to reach the set value. A new problem has arisen: it takes a long time to complete the process.
本発明は簡単な構成で、燃料消費量の低下を防ぎ、短時
間で冷蔵庫２内の空気組成を設定値に到達させる生鮮物
貯蔵装置を提供するものである。The present invention provides a fresh food storage device that has a simple configuration, prevents a decrease in fuel consumption, and allows the air composition in the refrigerator 2 to reach a set value in a short time.
問題点を解決するための手段
そこで本発明は二酸化炭素発生装置に固体燃料を加熱す
るヒータと排気温度の検出部を設け、排気温度に応じて
ヒータの通電量を制御する構成としたものである。Means for Solving the Problems Accordingly, the present invention provides a carbon dioxide generator with a heater for heating solid fuel and a detector for detecting exhaust gas temperature, and has a configuration in which the amount of electricity supplied to the heater is controlled according to the exhaust temperature. .
作 用 この技術的手段による作用は次のようになる。For production The effect of this technical means is as follows.
二酸化炭素発生装置の燃料として固体燃料を用いた場合
、時間の経過とともに固体燃料の形状が小さくなり、こ
のために固体燃料の表面積が減少する。したがって固体
燃料に接触する酸素量が減少し、燃料消費量が減少する
。この時に固体燃料を加熱するヒータに通電すると燃焼
用空気も加熱し、燃焼用空気の温度を高くして燃焼用空
気の活性を高めるために、固体燃料の燃料消費量が増加
する。すなわち二酸化炭素発生装置の排気温度に応じて
ヒータの通電量を変化させることにより、燃焼用空気の
活性を調節して、時間の経過によらず燃料消費量を一定
にすることができる。この結果、時間の経過による燃料
消費量の低下を防ぐことができ、設定した空気組成への
到達時間の短縮化をはかることができるものである。When solid fuel is used as a fuel for a carbon dioxide generator, the shape of the solid fuel becomes smaller over time, and therefore the surface area of the solid fuel decreases. Therefore, the amount of oxygen that comes into contact with the solid fuel is reduced, and fuel consumption is reduced. At this time, when electricity is applied to the heater that heats the solid fuel, the combustion air is also heated, increasing the temperature of the combustion air and increasing the activity of the combustion air, thereby increasing the fuel consumption of the solid fuel. That is, by changing the amount of electricity supplied to the heater according to the exhaust gas temperature of the carbon dioxide generator, the activity of the combustion air can be adjusted, and the amount of fuel consumed can be kept constant regardless of the passage of time. As a result, it is possible to prevent a decrease in fuel consumption over time, and it is possible to shorten the time required to reach a set air composition.
実施例
以下、本発明の一実施例を添付図面を基づいて説明する
。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
第１図において、二酸化炭素発生装置７の燃焼炉８を仕
切るように火格子９を設け、その上に炭素純度の高い固
体燃料１ｏを設置する。また火格子９の下には電熱ヒー
タ１１が設けである。始動時に電熱ヒータ１１に通電し
、固体燃料１０が燃焼するのに十分な温度まで加熱した
時点で、循環用送風機１２を運転し、燃焼炉８に燃焼用
空気を供給する。固体燃料１ｏはすでに十分に加熱され
ているので、空気が固体燃料１ｏに接触するや否や燃焼
を開始する。この時の燃焼量は固体燃料１０の表面積と
、固体燃料１０に供給される酸素量で決定される。燃焼
用空気は燃焼炉８の上流で１次空気と２次空気の２つに
分岐され、１次空気は直接固体燃料１０に供給されて１
次燃焼を行い、２次空気は固体燃料１０の下流で供給さ
れ、１次空気で燃焼しきれなかった未燃成分と混合して
、２次燃焼を行い多量の二酸化炭素を発生する。In FIG. 1, a fire grate 9 is provided to partition a combustion furnace 8 of a carbon dioxide generator 7, and a solid fuel 1o with high carbon purity is installed on the grate 9. Further, an electric heater 11 is provided below the grate 9. At the time of startup, the electric heater 11 is energized, and when the solid fuel 10 is heated to a temperature sufficient for combustion, the circulation blower 12 is operated to supply combustion air to the combustion furnace 8. Since the solid fuel 1o is already sufficiently heated, combustion begins as soon as the air comes into contact with the solid fuel 1o. The amount of combustion at this time is determined by the surface area of the solid fuel 10 and the amount of oxygen supplied to the solid fuel 10. Combustion air is branched into primary air and secondary air upstream of the combustion furnace 8, and the primary air is directly supplied to the solid fuel 10.
Secondary combustion is performed, and secondary air is supplied downstream of the solid fuel 10, mixed with unburned components that have not been completely combusted with the primary air, and secondary combustion is performed to generate a large amount of carbon dioxide.
二酸化炭素発生装置７で発生した多量の二酸化炭素を含
む高温の排気ガスは、浄化用触媒１３で浄化され、冷却
器１４で冷却されて冷蔵庫１５へ供給される。そしてこ
のことより酸素濃度が低下した空気は、再び循環用送風
機１２により燃焼炉８へ供給される。このサイクルは冷
蔵庫１５内の二酸化炭素濃度が設定値になるまで続けら
れる。High-temperature exhaust gas containing a large amount of carbon dioxide generated by the carbon dioxide generator 7 is purified by a purification catalyst 13, cooled by a cooler 14, and supplied to a refrigerator 15. Then, the air whose oxygen concentration has decreased due to this is supplied to the combustion furnace 8 again by the circulation blower 12. This cycle continues until the carbon dioxide concentration within the refrigerator 15 reaches the set value.
冷蔵庫１５内の二酸化炭素濃度が設定値になると、スク
ラバ１６を運転して、設定値以上の過剰な二酸化炭素を
吸着し、冷蔵庫１５内の二酸化炭素濃度が設定値になる
ように調節している。When the carbon dioxide concentration in the refrigerator 15 reaches the set value, the scrubber 16 is operated to absorb excess carbon dioxide exceeding the set value, and adjust the carbon dioxide concentration in the refrigerator 15 to the set value. .
冷蔵庫１５内の酸素濃度が設定値になると、二酸化炭素
発生装置７を停止する。以後は貯蔵している生鮮物が呼
吸することにより消費した酸素は、酸素供給用送風機１
７より大気中の酸素を冷蔵庫１５へ供給し、生鮮物が呼
吸することにより発生した二酸化炭素はスクラバ１６に
よシ吸着することにより、冷蔵庫１６内の空気組成を設
定値に保ち続ける。When the oxygen concentration in the refrigerator 15 reaches the set value, the carbon dioxide generator 7 is stopped. From then on, the oxygen consumed by the stored perishables by breathing is transferred to the oxygen supply blower 1.
7 supplies oxygen from the atmosphere to the refrigerator 15, and carbon dioxide generated by the breathing of fresh food is adsorbed by the scrubber 16, thereby maintaining the air composition within the refrigerator 16 at a set value.
このような構成の本発明の実施例の具体的な作用につい
て以下に説明する。The specific operation of the embodiment of the present invention having such a configuration will be described below.
固体燃料の燃焼というものは、固体燃料の表面に酸素が
接触すると、固体燃料の表１面で、炭素原子が酸素原子
と結び付いて一酸化炭素を発生する反応が起こる。続い
て固体燃料の表面近傍で、−酸化炭素と酸素原子が結び
付いて二酸化炭素を発生するという反応が気相で起こる
。したがって固体燃料の燃焼は、固体燃料の表面積と酸
素濃度に依存するところが大きい。このために供給空気
量が一定での燃料消費量と固体燃料の表面積の関係は、
第２図のように固体燃料の表面積が小さくなると、燃料
消費量が小さくなる傾向がある。In the combustion of solid fuel, when oxygen comes into contact with the surface of the solid fuel, a reaction occurs in which carbon atoms combine with oxygen atoms on one surface of the solid fuel to generate carbon monoxide. Next, near the surface of the solid fuel, a reaction occurs in the gas phase in which carbon oxide and oxygen atoms combine to generate carbon dioxide. Therefore, combustion of solid fuel largely depends on the surface area and oxygen concentration of the solid fuel. For this reason, the relationship between fuel consumption and surface area of solid fuel when the amount of supplied air is constant is:
As shown in FIG. 2, when the surface area of solid fuel becomes smaller, fuel consumption tends to become smaller.
したがって燃焼時間が経過していくと、固体燃料の大き
さが小さくなるために、固体燃料の表面積も小さくなる
。この結果燃焼時間の経過とともに燃料消費量が低下し
、二酸化炭素の発生量も低下する。Therefore, as the combustion time elapses, the size of the solid fuel becomes smaller, and the surface area of the solid fuel also becomes smaller. As a result, as the combustion time elapses, fuel consumption decreases and the amount of carbon dioxide generated also decreases.
燃料消費量の低下を防ぐためには、固体燃料の表面積の
減少を抑えればよいわけであるが、燃焼している固体燃
料の表面積の減少を防ぐのは非常に難しい。−方、前述
のように、固体燃料の燃焼は固体燃料の表面での炭素原
子と酸素原子の反応により起こるものであるから、固体
燃料の表面積を減少を防ぐかわりに、酸素の活性を高め
ることにより、燃料消費量の低下を防ぐことができる。In order to prevent a decrease in fuel consumption, it is sufficient to suppress the decrease in the surface area of the solid fuel, but it is extremely difficult to prevent the decrease in the surface area of the burning solid fuel. - On the other hand, as mentioned above, the combustion of solid fuel occurs due to the reaction between carbon atoms and oxygen atoms on the surface of the solid fuel, so instead of preventing the surface area of the solid fuel from decreasing, it is possible to increase the activity of oxygen. This can prevent a decrease in fuel consumption.
酸素の活性を高めるためには、固体燃料に供給される空
気の温度を高めればよい。本実施例では固体燃料１ｏの
下に電熱ヒータ１１が設けであるので、燃焼用空気のう
ちの１次空気は電熱ヒータ１１を通過して固体燃料１０
に供給されることになる。In order to increase the activity of oxygen, the temperature of the air supplied to the solid fuel may be increased. In this embodiment, since the electric heater 11 is provided below the solid fuel 1o, the primary air of the combustion air passes through the electric heater 11 and is placed under the solid fuel 1o.
will be supplied to
したがって、燃焼中に電熱ヒータ１１に通電すれば、燃
焼用空気の温度を高くすることができ、酸素の活性を高
めることができる。その結果、固体燃料の燃料消費量の
低下を防ぐことができる。加えて本実施例では燃焼炉８
に排気ガスの温度を検出する温度検出部１８を設けであ
るので、温度検出部１８の信号により電熱ヒータ１１の
通電量を変化させることにより燃料消費量をコントロー
ルできる。Therefore, by energizing the electric heater 11 during combustion, the temperature of the combustion air can be increased, and the activity of oxygen can be increased. As a result, a decrease in fuel consumption of solid fuel can be prevented. In addition, in this embodiment, the combustion furnace 8
Since a temperature detecting section 18 is provided for detecting the temperature of the exhaust gas, fuel consumption can be controlled by changing the amount of electricity supplied to the electric heater 11 based on a signal from the temperature detecting section 18.
すなわち燃焼炉８で燃焼を開始すると、供給された空気
量に応じた燃料消費量で燃焼を始める。That is, when combustion starts in the combustion furnace 8, combustion starts with a fuel consumption amount corresponding to the amount of supplied air.
燃焼時間の経過とともに固体燃料１０の表面積が小さく
なり、燃料消費量が低下する。燃料消費量が低下すると
燃焼炉８の排気温度が下がる。この排気温度の低下を温
度検出部１８が検出して、電熱ヒータ１１に信号を送り
、電熱ヒータ１１の通電量を増加させる。このことによ
り、燃焼用空気の温度が上がり、酸素の活性が増加し燃
料消費量が増加する。したがって、必要な燃料消費量に
応じた排気温度になるように、温度検出部１８を設定し
ておけば、燃焼時間が経過しても燃料消費量が低下せず
、−定値を維持することができ、設定した空気組成への
到達時間の大幅な短縮化を図ることができる。As the combustion time elapses, the surface area of the solid fuel 10 becomes smaller, and the amount of fuel consumed decreases. When the fuel consumption decreases, the exhaust gas temperature of the combustion furnace 8 decreases. The temperature detection unit 18 detects this decrease in exhaust gas temperature, sends a signal to the electric heater 11, and increases the amount of current supplied to the electric heater 11. This increases the temperature of the combustion air, increases oxygen activity, and increases fuel consumption. Therefore, if the temperature detection unit 18 is set so that the exhaust temperature corresponds to the required amount of fuel consumption, the amount of fuel consumption will not decrease even after the combustion time has elapsed and will maintain a - constant value. This makes it possible to significantly shorten the time it takes to reach a set air composition.
発明の効果
本発明は、燃焼炉の排気温度に応じて、電熱ヒータの通
電量を変化させることにより、燃料消費量の低下を防ぎ
、設定した空気組成への到達時間の短縮化を図ることが
できる。Effects of the Invention The present invention prevents a decrease in fuel consumption and shortens the time required to reach a set air composition by changing the amount of electricity supplied to the electric heater according to the exhaust gas temperature of the combustion furnace. can.
第１図は本発明の一実施例の生鮮物貯蔵装置の概略構成
、図、第２図は固体燃料の表面積と燃料消費量の関係の
概念図、第３図は従来の生鮮物貯蔵装置の概略構成図で
ある。
７・・・・・・二酸化炭素発生装置、１１・・・・・・
電熱ヒータ、１６・・・・・・冷蔵庫、１６・・・・・
・スクラバ、１８・・・・・・温度検出部。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名撚Ｐ
ｒ涜責量 因Fig. 1 is a schematic diagram of the structure of a fresh produce storage device according to an embodiment of the present invention, Fig. 2 is a conceptual diagram of the relationship between the surface area of solid fuel and fuel consumption, and Fig. 3 is a diagram of a conventional fresh produce storage device. It is a schematic block diagram. 7... Carbon dioxide generator, 11...
Electric heater, 16... Refrigerator, 16...
・Scrubber, 18...Temperature detection section. Name of agent: Patent attorney Toshio Nakao and one other person
r blasphemous liability cause
Claims (1)
部で燃焼することにより二酸化炭素を前記冷蔵庫に供給
する二酸化炭素発生装置と、燃焼用空気として前記冷蔵
庫内の空気を循環して前記二酸化炭素発生装置に供給す
る送風手段とを有し、前記二酸化炭素発生装置に前記固
体燃料を加熱するヒータと、前記二酸化炭素発生装置の
排気温度を検出する温度検出部を設け、前記排気温度に
応じて前記ヒータの通電量を変化させることを特徴とす
る生鮮物貯蔵装置。a refrigerator; a carbon dioxide generating device that supplies carbon dioxide to the refrigerator by burning solid fuel with high carbon purity in a combustion section provided therein; and a carbon dioxide generating device that circulates air in the refrigerator as combustion air to generate the carbon dioxide. a blowing means for supplying air to a carbon generator; the carbon dioxide generator is provided with a heater that heats the solid fuel; and a temperature detector that detects an exhaust temperature of the carbon dioxide generator; A fresh produce storage device characterized in that the amount of electricity applied to the heater is changed by changing the amount of electricity applied to the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14877186A JPS633727A (en) | 1986-06-25 | 1986-06-25 | Apparatus for storing perishables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14877186A JPS633727A (en) | 1986-06-25 | 1986-06-25 | Apparatus for storing perishables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633727A true JPS633727A (en) | 1988-01-08 |
Family
ID=15460293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14877186A Pending JPS633727A (en) | 1986-06-25 | 1986-06-25 | Apparatus for storing perishables |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633727A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0278505A (en) * | 1988-09-14 | 1990-03-19 | Noritake Co Ltd | Mixing and discharge device of two-pack type resin |
| JPH05147024A (en) * | 1991-11-29 | 1993-06-15 | Polyurethan Kasei Kk | Apparatus for mixing multicomponent synthetic resin and cleaning method for the same |
-
1986
- 1986-06-25 JP JP14877186A patent/JPS633727A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0278505A (en) * | 1988-09-14 | 1990-03-19 | Noritake Co Ltd | Mixing and discharge device of two-pack type resin |
| JPH05147024A (en) * | 1991-11-29 | 1993-06-15 | Polyurethan Kasei Kk | Apparatus for mixing multicomponent synthetic resin and cleaning method for the same |
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