GB1219098A - A process and apparatus for artificially reducing the oxygen content in a cold store - Google Patents

A process and apparatus for artificially reducing the oxygen content in a cold store

Info

Publication number
GB1219098A
GB1219098A GB5713067A GB5713067A GB1219098A GB 1219098 A GB1219098 A GB 1219098A GB 5713067 A GB5713067 A GB 5713067A GB 5713067 A GB5713067 A GB 5713067A GB 1219098 A GB1219098 A GB 1219098A
Authority
GB
United Kingdom
Prior art keywords
air
valve
store
fuel gas
flowmeter
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
Application number
GB5713067A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB1219098A publication Critical patent/GB1219098A/en
Expired legal-status Critical Current

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
    • A23B7/14—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
    • A23B7/148—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, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/34095—Details of apparatus for generating or regenerating gases
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A23L3/3427—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O in which an absorbent is placed or used
    • A23L3/3436—Oxygen absorbent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Storage Of Harvested Produce (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

1,219,098. Food storage atmosphere control. SULZER BROS. Ltd. 15 Dec., 1967 [27 Jan., 1967], No. 57130/67. Heading A2D. The oxygen content in a cold store is reduced to produce a controlled atmosphere therein by withdrawing air from the store at a rate which is adjusted in dependence on the proportion of oxygen in the atmosphere in the store, mixing the withdrawn air with fuel gas, causing the mixture to undergo flameless combustion in the presence of a catalyst, during which some of the air is combined, separating carbon dioxide from the resulting combustion gases by means of an absorbent, heating the mixture awaiting combustion by heat exchange with the resulting combustion gases, and then returning the combustion gases to the store. Fuel gas, e.g. propane or butane, supplied from a cylinder 15, is fed initially to a burner 27 to heat a combustion device 12. Air, extracted from a store (1) by blower (not shown), is fed by a pipe 10 through a flowmeter 11 into a distribution chamber 31 of the device 12, whence it flows down ducts 29 of a heat exchanger into a feed chamber 32 and then up through catalyst beds 34 of granulated palladium into further ducts 30 of the heat exchanger. The air flows over a bi-metal strip control 37 in a pipe 36 to a water spray cooler 38 and thence via a pressure regulating valve 43 in a pipe 42 through a carbon dioxide absorption apparatus (3) back into the store (1). As soon as the temperature of the combustion device 12 reaches about 350‹C. a temperature sensor 47 closes the valve 48 to extinguish the burner 27 and opens a valve 18. Fuel gas is then supplied via valves 17, 18, 19, a flowmeter 20, and valves 21, 22 to a pipe 14 that feeds the fuel gas into the air flowing in pipe 10. The height of a rod 25, supporting a photoelectric control device 13 associated with the flowmeter 11, is manually adjusted according to the particular fuel gas being used. The rod 25 is also mechanically linked to the valve 21 to regulate the pressure of the fuel gas. The flowmeter 20 controls the setting of the valve 22. The pressure of the fuel gas entering the flowmeter 20 is controlled by the valve 19, operated by control line 19a, to equal that of the air in the pipe 10, i.e. 1 atmosphere absolute. Valve 17 is opened only when the flowmeter 11 detects a sufficient flow of air. As the heat of combustion increases the temperature within the device 12, a trap 35 is opened by the bi-metal strip control 37 to allow cooling air to enter the bottom of the combustion device 12 to maintain the temperature therein below 600‹C. and so prevent the formation of detectable amounts of carbon monoxide and nitrogen dioxide. A by-pass line 45 and valve 44 are also provided to allow the atmosphere in the store (1) to be circulated through the absorption apparatus alone if required. The atmosphere controlled cold store may be used for the storage of fruit such as apples, vegetables, flowers and fungi.
GB5713067A 1967-01-27 1967-12-15 A process and apparatus for artificially reducing the oxygen content in a cold store Expired GB1219098A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH129367A CH468793A (en) 1967-01-27 1967-01-27 Process and system for the artificial lowering of the oxygen content for the creation of a controlled atmosphere in a refrigerated storage room for fruits and the like

Publications (1)

Publication Number Publication Date
GB1219098A true GB1219098A (en) 1971-01-13

Family

ID=4207036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5713067A Expired GB1219098A (en) 1967-01-27 1967-12-15 A process and apparatus for artificially reducing the oxygen content in a cold store

Country Status (7)

Country Link
JP (1) JPS51189B1 (en)
AT (1) AT276048B (en)
BE (1) BE709922A (en)
CH (1) CH468793A (en)
DE (1) DE1692187C3 (en)
GB (1) GB1219098A (en)
NL (1) NL144821B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000018A1 (en) * 1989-06-26 1991-01-10 Fluid Dynamics Pty Limited Controlled atmosphere generating equipment
EP0749692A2 (en) * 1995-06-19 1996-12-27 Pebaco B.V. Method and apparatus for controlling the atmosphere in a gas filled closable space
RU2714234C2 (en) * 2018-07-30 2020-02-13 Сергей Юрьевич Гузун Device for creation and regulation of gaseous medium in storages of fruits and vegetables

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506599A (en) * 1983-12-20 1985-03-26 Polska Akademia Nauk, Instytut Katalizy I Fizykochemii Powierzchni Device for removal of ethylene from fruit storage chambers
JP6226708B2 (en) * 2013-11-13 2017-11-08 東芝ライフスタイル株式会社 Oxygen reduction device and refrigerator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000018A1 (en) * 1989-06-26 1991-01-10 Fluid Dynamics Pty Limited Controlled atmosphere generating equipment
US5300265A (en) * 1989-06-26 1994-04-05 Fluid Dynamics Pty Ltd. Controlled atmosphere generating equipment
EP0749692A2 (en) * 1995-06-19 1996-12-27 Pebaco B.V. Method and apparatus for controlling the atmosphere in a gas filled closable space
EP0749692A3 (en) * 1995-06-19 1997-11-12 Pebaco B.V. Method and apparatus for controlling the atmosphere in a gas filled closable space
RU2714234C2 (en) * 2018-07-30 2020-02-13 Сергей Юрьевич Гузун Device for creation and regulation of gaseous medium in storages of fruits and vegetables

Also Published As

Publication number Publication date
NL144821B (en) 1975-02-17
CH468793A (en) 1969-02-28
NL6703099A (en) 1968-07-29
JPS51189B1 (en) 1976-01-06
AT276048B (en) 1969-11-10
DE1692187C3 (en) 1974-10-10
DE1692187A1 (en) 1972-04-13
DE1692187B2 (en) 1974-02-21
BE709922A (en) 1968-07-26

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