JP2984402B2 - Freshener - Google Patents
FreshenerInfo
- Publication number
- JP2984402B2 JP2984402B2 JP7776091A JP7776091A JP2984402B2 JP 2984402 B2 JP2984402 B2 JP 2984402B2 JP 7776091 A JP7776091 A JP 7776091A JP 7776091 A JP7776091 A JP 7776091A JP 2984402 B2 JP2984402 B2 JP 2984402B2
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet
- ethylene oxide
- hangar
- ozone
- gas
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/015—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/14—Containers specially adapted for storing
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G5/00—Floral handling
- A01G5/06—Devices for preserving flowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N3/00—Preservation of plants or parts thereof, e.g. inhibiting evaporation, improvement of the appearance of leaves or protection against physical influences such as UV radiation using chemical compositions; Grafting wax
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/152—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Dentistry (AREA)
- Storage Of Fruits Or Vegetables (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Storage Of Harvested Produce (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【産業上の利用分野】本発明は果物、野菜及び花卉など
の植物類を長期間保存するための保鮮設備に関し、一般
の保鮮庫、貨物自動車、飛行機などの保鮮コンテナ、保
鮮船などに有利に適用される保鮮設備のオゾン濃度制御
装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a freshening facility for preserving plants such as fruits, vegetables and flowers for a long period of time, and is advantageously used for general freshening warehouses, trucks, fresh containers for airplanes, fresh ships and the like. The present invention relates to an ozone concentration control device for a freshening facility to be applied.
【0002】[0002]
【従来の技術】従来技術を図によって説明する。野菜及
び花卉等の植物類を長期間保存するための保鮮装置にお
いて、該植物類を格納する格納庫本室1内に保鮮環境気
体を循環させる通路(保鮮環境気体副室)2を形成し、
同通路2内に該気体に紫外線を照射する紫外線照射部
(紫外線灯3A、紫外線灯3B)と同照射部の後流に位
置しエチレンオキサイドを除去するエチレンオキサイド
除去部(エチレンオキサイド除去手段4)とを夫々配設
すると共に、該紫外線照射部は波長184.9nmの紫
外線を照射し、その後波長253.7nmの紫外線を照
射するように水銀灯を配設している。2. Description of the Related Art The prior art will be described with reference to the drawings. In a freshening apparatus for storing plants such as vegetables and flowers for a long period of time, a passage (fresh fresh environment gas sub-chamber) 2 for circulating fresh environmental gas is formed in a hangar main room 1 for storing the plants,
An ultraviolet irradiation unit (ultraviolet lamp 3A, ultraviolet lamp 3B) for irradiating the gas with ultraviolet light in the passage 2 and an ethylene oxide removal unit (ethylene oxide removal means 4) located downstream of the irradiation unit for removing ethylene oxide And a mercury lamp is provided so that the ultraviolet irradiator irradiates ultraviolet light having a wavelength of 184.9 nm, and then irradiates ultraviolet light having a wavelength of 253.7 nm.
【0003】低圧水銀灯3Aによって発生された波長1
84.9nmの紫外線が保鮮環境気体中の酸素をオゾン
に変え、このオゾンが保鮮環境気体を殺菌すると同時に
紫外線によって励起されたエチレンと反応して、エチレ
ンを捕集しやすいエチレンオキサイドに転化する{式
(1)参照}。[0003] The wavelength 1, which is occurs by a low-pressure mercury lamp 3A
The 84.9 nm ultraviolet light converts oxygen in the fresh environment gas into ozone, which sterilizes the fresh environment gas and reacts with ethylene excited by the ultraviolet light to convert ethylene into ethylene oxide which is easy to collect. See equation (1).
【化1】 Embedded image
【0004】生成したエチレンオキサイドは後段のエチ
レンオキサイド除去手段4で除去される。余剰のオゾン
は同じ低圧水銀灯3Bにより発生された波長253.7
nmの紫外線で分解され、発生期の酸素(O)を生成す
る{式(2)参照}。[0004] The generated ethylene oxide is removed by a subsequent ethylene oxide removing means 4. Excess ozone is emitted at the wavelength of 253.7 generated by the same low-pressure mercury lamp 3B.
It is decomposed by ultraviolet light of nm to produce nascent oxygen (O) {see equation (2)}.
【化2】 Embedded image
【0005】この発生期の酸素は(1)の反応で濃度が
低くなりオゾンとの反応性が遅くなって保鮮環境中に残
留しているエチレンのエチレンオキサイドへの転化反応
を促進する効果がある{式(3)参照}。[0005] Oxygen in this nascent period has the effect of accelerating the conversion reaction of ethylene remaining in the fresh environment into ethylene oxide by reducing the concentration of oxygen in the reaction (1) and slowing the reactivity with ozone. {See Equation (3)}.
【化3】 Embedded image
【0006】エチレンオキサイド除去手段4としては、
酸化鉄、多孔性材料に担持した酸化鉄充填容器、一般の
活性炭など吸着剤充填容器などが使用される。The ethylene oxide removing means 4 includes:
A container filled with iron oxide, iron oxide supported on a porous material, a container filled with an adsorbent such as general activated carbon, and the like are used.
【0007】このような装置において、生成されたオゾ
ンが低圧水銀灯3Bにより発生された波長253.7n
mの紫外線で分解される過程において、分解しない残存
オゾンが保鮮環境気体中に循環すると、保鮮環境気体中
に含まれる残存オゾン濃度が時間経過と共に上昇するた
め、作業環境の悪化を招くという不具合がありこれを改
善する必要がある。[0007] In such an apparatus, the generated ozone has a wavelength of 253.7 n generated by the low-pressure mercury lamp 3B.
In the process of being decomposed by ultraviolet rays of m, if residual ozone that is not decomposed circulates in the fresh environment gas, the concentration of the remaining ozone contained in the fresh environment gas will increase with the passage of time. There is a need to improve this.
【0008】なお、図2中、5は保鮮環境気体副室2出
口に設けられたファン、6は同副室2入口、7は同副室
2出口、8,9,10及び11は格納庫本室内の環境制
御のための夫々空気供給配管、窒素供給配管、炭酸ガス
供給配管及び水供給配管であり、12は過剰ガス排出
管、13は温度調整装置である。In FIG. 2, reference numeral 5 denotes a fan provided at the outlet of the fresh environment gas sub-chamber 2, 6 denotes the inlet of the sub-chamber 2, 7 denotes the sub-chamber 2 outlet, and 8, 9, 10 and 11 denote the hangar books. An air supply pipe, a nitrogen supply pipe, a carbon dioxide gas supply pipe, and a water supply pipe are respectively provided for controlling the indoor environment, 12 is an excess gas discharge pipe, and 13 is a temperature control device.
【0009】[0009]
【発明が解決しようとする課題】このような装置におい
ては低圧水銀灯3Aによって発生された波長184.9
nmの紫外線が保鮮環境気体中の酸素をオゾンに変え、
このオゾンが保鮮環境気体を殺菌すると同時に紫外線に
よって励起されたエチレンと反応して、エチレンを捕集
しやすいエチレンオキサイドに転化する。生成したエチ
レンオキサイドは後段のエチレンオキサイド除去手段で
除去される。余剰のオゾンは同じく低圧水銀灯3Bによ
り発生された波長253.7nmの紫外線で分解される
が、この分解過程で分解しない残存オゾンは保鮮環境気
体中に循環する。この保鮮環境気体中に含まれる残存オ
ゾン濃度は時間経過と共に上昇するため作業環境保全
上、ある一定濃度以下に抑える必要がある。THE INVENTION Problems to be Solved] Such devices smell
The wavelength 184.9 generated by the low-pressure mercury lamp 3A.
UV light of nm converts oxygen in fresh air into ozone,
The ozone reacts with excited ethylene by simultaneously ultraviolet When sterilizing Ho鮮environmental gas is converted into easily ethylene oxide trapping ethylene. The generated ethylene oxide is removed by the subsequent ethylene oxide removing means. The surplus ozone is also decomposed by ultraviolet rays having a wavelength of 253.7 nm generated by the low-pressure mercury lamp 3B, and the remaining ozone that is not decomposed in this decomposition process circulates in the fresh environment gas. Since the concentration of residual ozone contained in the fresh environment gas rises with the passage of time, it is necessary to keep the concentration below a certain level in order to preserve the working environment.
【0010】本発明は上記技術水準に鑑み、時間経過と
共に上昇する格納庫内のオゾン濃度を一定以下に抑え得
る保鮮装置を提供しようとするものである。The present invention has been made in view of the above-mentioned technical level, and has as its object to provide a freshening apparatus capable of suppressing the concentration of ozone in a hangar, which rises with time, to a certain level or less.
【0011】[0011]
【課題を解決するための手段】本発明は果物、野菜及び
花卉等の植物類を長期間保存するため、該植物類を格納
する格納庫内に保鮮環境気体を循環させる通路を形成
し、同通路内に該気体に紫外線を照射する紫外線照射部
と同照射部の後流に位置し、エチレンオキサイドを除去
するエチレンオキサイド除去部とを夫々配設すると共
に、該紫外線照射部は波長184.9nmの紫外線を照
射し、その後波長253.7nmの紫外線を照射するよ
うに水銀灯を配設してなる保鮮装置において、格納庫内
の保鮮環境気体循環通路出口の近傍にオゾン濃度の検出
器を設けるとともに、該検出器で検出されるオゾン濃度
が所定の濃度以下となるように184.9nmの紫外線
を照射する水銀灯の出力を制御する制御手段を設けたこ
とを特徴とする保鮮装置である。According to the present invention, in order to store plants such as fruits, vegetables and flowers for a long period of time, a passage for circulating fresh environment gas is formed in a hangar for storing the plants, and the passage is formed. Inside, an ultraviolet irradiator for irradiating the gas with ultraviolet light and an ethylene oxide remover for removing ethylene oxide positioned downstream of the ultraviolet irradiator are provided, and the ultraviolet irradiator has a wavelength of 184.9 nm. irradiating ultraviolet radiation, in subsequent Ho鮮apparatus formed by disposing a mercury lamp to irradiate ultraviolet rays having a wavelength 253.7 nm, provided with a detector of the ozone concentration in the vicinity of Ho鮮environmental gas circulation passage outlet in the hangar, the Ozone concentration detected by the detector
Is a control device for controlling an output of a mercury lamp that irradiates ultraviolet rays of 184.9 nm so that the density is not more than a predetermined concentration .
【0012】[0012]
【作用】本発明においては、上記構成を具えているた
め、格納庫本室内のオゾン濃度に応じて184.9nm
の紫外線を照射する水銀灯の出力が決定され、決定され
た出力に対応する出力で水銀灯から184.9nmの紫
外線の量が抑制でき、オゾン生成量の調整が可能となり
格納庫本室内のオゾン濃度を一定濃度以下に制御でき
る。According to the present invention, since the above-mentioned structure is provided, 184.9 nm is determined according to the ozone concentration in the main compartment of the hangar.
The output of the mercury lamp that irradiates ultraviolet rays is determined. The output corresponding to the determined output can suppress the amount of ultraviolet rays of 184.9 nm from the mercury lamp, and the amount of ozone generated can be adjusted, and the ozone concentration in the main compartment of the hangar can be kept constant. It can be controlled below the concentration.
【0013】[0013]
【実施例】以下、本発明の一実施例を図1により説明す
る。図1において、1は植物類(果物,野菜,花卉な
ど)を格納する格納庫本室であり、該格納庫内の環境ガ
ス条件を制御するために、空気8、窒素9、炭酸ガス1
0、水11の供給配管および過剰ガス12の排出配管が
配設され、かつ温度調整装置13を備えている。2は該
格納庫1内の保鮮環境気体(例えば低O2 ,CO2 富
化、冷却および増湿化した空気)を循環させる通路(副
室)、3Aは波長184.9nmの紫外線灯、3Bは波
長253.7nmの紫外線灯、4はエチレンオキサイド
除去手段、5はファン、6は保鮮環境気体副室2への入
口、7は同気体の副室2からの出口である。An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, reference numeral 1 denotes a hangar main room for storing plants (fruits, vegetables, flowers, etc.), and air 8, nitrogen 9, carbon dioxide 1 for controlling environmental gas conditions in the hangar.
0, a supply pipe for water 11 and a discharge pipe for excess gas 12 are provided, and a temperature adjusting device 13 is provided. Reference numeral 2 denotes a passage (sub-chamber) for circulating a fresh environment gas (for example, low O 2 , CO 2 enriched, cooled and humidified air) in the hangar 1, 3A is an ultraviolet lamp having a wavelength of 184.9 nm, and 3B is An ultraviolet lamp having a wavelength of 253.7 nm, 4 is a means for removing ethylene oxide, 5 is a fan, 6 is an inlet to the fresh environment gas sub-chamber 2, and 7 is an outlet from the sub-chamber 2 for the same gas.
【0014】格納庫本室1内の植物から発生するエチレ
ンは所定の温度、湿度、ガス濃度に調整された保鮮環境
気体と共に入口6より副室2内に入り、紫外線灯3A,
3Bより発生する紫外線により、保鮮環境気体中の微生
物が殺菌されると同時に波長184.9nmの紫外線で
発生したO3 はエチレンと反応しエチレンオキサイドと
なり、それでも残存するエチレンは波長253.7nm
の紫外線にて生成した発生期の酸素と反応し完全にオゾ
ンとエチレンは分解され、エチレンオキサイドとなり、
これはエチレンオキサイド除去手段4により除去され、
エチレンを含有しない保鮮環境気体はファン5により出
口7を経て再度格納庫本室1に戻される。Ethylene generated from plants in the main compartment 1 of the hangar enters the sub-chamber 2 through the inlet 6 together with the fresh environment gas adjusted to a predetermined temperature, humidity and gas concentration, and enters the ultraviolet lamps 3A,
Microorganisms in the fresh environment gas are killed by the ultraviolet rays generated from 3B, and at the same time, O 3 generated by ultraviolet rays having a wavelength of 184.9 nm reacts with ethylene to form ethylene oxide, and the remaining ethylene remains at a wavelength of 253.7 nm.
Ozone and ethylene are completely decomposed by reacting with the nascent oxygen generated by ultraviolet rays, and become ethylene oxide,
This is removed by ethylene oxide removing means 4,
The fresh air containing no ethylene is returned to the main hangar 1 again through the outlet 7 by the fan 5.
【0015】この実施例ではファン5を出口7近傍に設
けているが入口6でもよく、また、副室2を設けている
が、格納庫本室1とは全く別離した循環流通路としても
よいことは当然である。In this embodiment, the fan 5 is provided near the outlet 7 but may be provided at the inlet 6, and the sub-chamber 2 is provided. However, the sub-chamber 2 may be provided as a circulation flow passage completely separated from the main compartment 1. Is natural.
【0016】保鮮環境気体副室出口7の近傍にオゾン濃
度検出器20を配設し、コントローラ31の比較手段4
0に入力され、ここで設定手段41に設定された設定値
と比較されて両者の偏差が算出される。An ozone concentration detector 20 is provided in the vicinity of the outlet 7 of the fresh environment gas sub-chamber.
The value is input to 0 and is compared with the set value set in the setting means 41 to calculate a deviation between the two.
【0017】この偏差は波長184.9nmの紫外線灯
3Aの出力決定手段53に入力され、ここで記憶手段5
2から入力された制御ルールに従って紫外線灯3Aの出
力が決定される。なお記憶手段52には偏差及びその変
化率に対応して出力を決定する制御ルール(例えばPI
D制御、テーブル対比制御、ファジー制御など)が記憶
されている。また紫外線灯3Aの出力決定手段53には
紫外線3Aの運転を行う方法のルール(例えばON−O
FF制御、ステップ制御、インバータ制御など)が選択
できる。This deviation is input to the output determining means 53 of the ultraviolet lamp 3A having a wavelength of 184.9 nm, where the storing means 5
The output of the ultraviolet lamp 3A is determined according to the control rule input from Step 2. The storage means 52 stores a control rule (for example, PI
D control, table comparison control, fuzzy control, etc.). The output determining means 53 of the ultraviolet lamp 3A has a rule of a method of operating the ultraviolet light 3A (for example, ON-O
FF control, step control, inverter control, etc.) can be selected.
【0018】決定された出力は出力手段54に入力さ
れ、入力された信号により紫外線灯3Aへの運転指令を
出力する。[0018] was determined output is input to the output unit 54, for <br/> outputs the operation command to the ultraviolet lamp 3A by the input signal.
【0019】[0019]
【発明の効果】本発明においては格納庫本室内のオゾン
濃度検出器により検出されたオゾン濃度に応じて18
4.9nmの紫外線を照射する水銀灯の出力を制御する
ことにより保鮮環境気体中に含まれる残存オゾン濃度を
一定濃度以下に抑えることが可能となる。According to the present invention, according to the ozone concentration detected by the ozone concentration detector in the main room of the hangar, the amount of the ozone can be increased by 18%.
By controlling the output of a mercury lamp that emits 4.9 nm ultraviolet light, the concentration of residual ozone contained in the fresh environment gas can be suppressed to a certain concentration or less.
【図1】本発明保鮮装置の一実施例の説明図FIG. 1 is an explanatory view of an embodiment of the freshening apparatus of the present invention.
【図2】従来の保鮮装置の一態様の説明図FIG. 2 is an explanatory diagram of one embodiment of a conventional freshening apparatus.
フロントページの続き (58)調査した分野(Int.Cl.6,DB名) A23B 7/152 A01F 25/00 A01G 5/06 A01N 3/02 A23B 7/015 Continuation of the front page (58) Field surveyed (Int. Cl. 6 , DB name) A23B 7/152 A01F 25/00 A01G 5/06 A01N 3/02 A23B 7/015
Claims (1)
保存するため、該植物類を格納する格納庫内に保鮮環境
気体を循環させる通路を形成し、同通路内に該気体に紫
外線を照射する紫外線照射部と同照射部の後流に位置
し、エチレンオキサイドを除去するエチレンオキサイド
除去部とを夫々配設すると共に、該紫外線照射部は波長
184.9nmの紫外線を照射し、その後波長253.
7nmの紫外線を照射するように水銀灯を配設してなる
保鮮装置において、格納庫内の保鮮環境気体循環通路出
口の近傍にオゾン濃度の検出器を設けるとともに、該検
出器で検出されるオゾン濃度が所定の濃度以下となるよ
うに184.9nmの紫外線を照射する水銀灯の出力を
制御する制御手段を設けたことを特徴とする保鮮装置。In order to store plants such as fruits, vegetables and flowers for a long period of time, a passage for circulating fresh air is formed in a hangar for storing the plants, and ultraviolet rays are applied to the gas in the passage. An ultraviolet irradiation unit for irradiation and an ethylene oxide removal unit for removing ethylene oxide, which are located downstream of the irradiation unit, are respectively provided. The ultraviolet irradiation unit irradiates ultraviolet light having a wavelength of 184.9 nm, and then emits the ultraviolet light. 253.
In Ho鮮apparatus formed by disposing a mercury lamp to illuminate 7nm ultraviolet, provided with a detector of the ozone concentration in the vicinity of Ho鮮environmental gas circulation passage outlet in the hangar, 該検
The ozone concentration detected by the output unit will be lower than the specified concentration.
The output of a mercury lamp for irradiating ultraviolet rays urchin 184.9nm
Ho鮮apparatus characterized in that a control means for controlling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7776091A JP2984402B2 (en) | 1991-04-10 | 1991-04-10 | Freshener |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7776091A JP2984402B2 (en) | 1991-04-10 | 1991-04-10 | Freshener |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04311345A JPH04311345A (en) | 1992-11-04 |
JP2984402B2 true JP2984402B2 (en) | 1999-11-29 |
Family
ID=13642890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP7776091A Expired - Lifetime JP2984402B2 (en) | 1991-04-10 | 1991-04-10 | Freshener |
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JP (1) | JP2984402B2 (en) |
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EA008233B1 (en) * | 2002-08-19 | 2007-04-27 | Испано Сюиса Де Патентес С. Л. | Method for extending the shelf life of perishable agricultural products and/or food |
US20080159910A1 (en) * | 2006-12-29 | 2008-07-03 | Dick Paul H | Shipping container ozonation system |
NL1036133C (en) * | 2008-10-30 | 2010-05-04 | Europ Innovation Group B V | Method for treating containers. |
US8867187B2 (en) | 2011-06-01 | 2014-10-21 | Pfi Acquisition, Inc. | Apparatus for powering an accessory device in a refrigerated container |
CN111034787A (en) * | 2019-12-30 | 2020-04-21 | 大有作为(天津)冷链设备有限公司 | Novel ozone coupling ultraviolet fresh-keeping Lingwu long jujube equipment |
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1991
- 1991-04-10 JP JP7776091A patent/JP2984402B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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JPH04311345A (en) | 1992-11-04 |
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