JPH06300410A - 凍結の方法とそれを実施する装置 - Google Patents

凍結の方法とそれを実施する装置

Info

Publication number
JPH06300410A
JPH06300410A JP6043072A JP4307294A JPH06300410A JP H06300410 A JPH06300410 A JP H06300410A JP 6043072 A JP6043072 A JP 6043072A JP 4307294 A JP4307294 A JP 4307294A JP H06300410 A JPH06300410 A JP H06300410A
Authority
JP
Japan
Prior art keywords
spray nozzle
nozzle
pressure
spray
row
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
Application number
JP6043072A
Other languages
English (en)
Japanese (ja)
Inventor
Jeremy P Miller
ジェラミー.ポール.ミラー
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10730608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH06300410(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of JPH06300410A publication Critical patent/JPH06300410A/ja
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00Preservation of foods or foodstuffs, in general
    • A23B2/80Freezing; Subsequent thawing; Cooling
    • A23B2/803Materials being transported through or in the apparatus, with or without shaping, e.g. in the form of powders, granules or flakes
    • A23B2/8033Materials being transported through or in the apparatus, with or without shaping, e.g. in the form of powders, granules or flakes with packages or with shaping in the form of blocks or portions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00Preservation of foods or foodstuffs, in general
    • A23B2/80Freezing; Subsequent thawing; Cooling
    • A23B2/85Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals
    • A23B2/88Freezing; Subsequent thawing; Cooling with addition of or treatment with chemicals with direct contact between the food and the chemical, e.g. liquid N2 at cryogenic temperature
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00Preservation of meat, sausages, fish or fish products
    • A23B4/06Freezing; Subsequent thawing; Cooling
    • A23B4/062Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
    • A23B4/064Freezing; Subsequent thawing; Cooling the materials being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes with packages or with shaping in the form of blocks or portions
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00Preservation of meat, sausages, fish or fish products
    • A23B4/06Freezing; Subsequent thawing; Cooling
    • A23B4/08Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals before or during cooling, e.g. in the form of an ice coating or frozen block
    • A23B4/09Freezing; Subsequent thawing; Cooling with addition of chemicals or treatment with chemicals before or during cooling, e.g. in the form of an ice coating or frozen block with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3447Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cylinder having the same axis as the outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/001Arrangement or mounting of control or safety devices for cryogenic fluid systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/11Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3415Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with swirl imparting inserts upstream of the swirl chamber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3442Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cone having the same axis as the outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
JP6043072A 1993-02-17 1994-02-17 凍結の方法とそれを実施する装置 Pending JPH06300410A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939303212A GB9303212D0 (en) 1993-02-17 1993-02-17 Method and apparatus for freezing
GB9303212.6 1993-02-17

Publications (1)

Publication Number Publication Date
JPH06300410A true JPH06300410A (ja) 1994-10-28

Family

ID=10730608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6043072A Pending JPH06300410A (ja) 1993-02-17 1994-02-17 凍結の方法とそれを実施する装置

Country Status (9)

Country Link
US (1) US5630321A (enExample)
EP (1) EP0611933B2 (enExample)
JP (1) JPH06300410A (enExample)
BR (1) BR9400598A (enExample)
CA (1) CA2115619A1 (enExample)
DE (1) DE69402892T3 (enExample)
GB (1) GB9303212D0 (enExample)
TW (1) TW258784B (enExample)
ZA (1) ZA941031B (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011524972A (ja) * 2008-06-19 2011-09-08 サド,ヤミル アディブ マシーズ 滴下した液体窒素の直接接触による超高速食品冷凍装置
JP2016138685A (ja) * 2015-01-27 2016-08-04 有限会社クールテクノス 低温液化ガスの噴射状態の調整方法および低温液化ガス噴射装置
CN107883631A (zh) * 2017-12-12 2018-04-06 广州鲜之源生态冷链技术有限公司 一种多节点温度调控装置及调控方法
CN110959745A (zh) * 2019-12-17 2020-04-07 内蒙古蒙牛乳业(集团)股份有限公司 脆筒类冷饮巧克力凝冻装置及保持巧克力脆筒脆性的方法
CN113455537A (zh) * 2021-07-31 2021-10-01 广东海洋大学 一种金鲳鱼的节能速冻方法
US11700862B2 (en) 2021-07-31 2023-07-18 Guangdong Ocean University Energy-saving quick-freezing method for golden pomfret

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009212A6 (nl) * 1995-03-16 1996-12-03 Oxhydrique Internationale L Werkwijze en inrichting voor het controleren van de temperatuur van een poeder- en/of korrelvormige grondstof.
US5873254A (en) * 1996-09-06 1999-02-23 Interface Multigrad Technology Device and methods for multigradient directional cooling and warming of biological samples
US5813237A (en) * 1997-06-27 1998-09-29 The Boc Group, Inc. Cryogenic apparatus and method for spraying a cryogen incorporating generation of two phase flow
DE19728622A1 (de) * 1997-07-04 1999-01-07 Stephan Dipl Ing Rieth Verfahren und Vorrichtung für die Erzeugung eines Aerosols
FR2766738B1 (fr) * 1997-08-01 1999-09-03 Air Liquide Procede et dispositif de pulverisation sequentielle d'un liquide cryogenique, procede et installation de refroidissement en comportant application
DE19917778C1 (de) * 1999-04-20 2000-09-21 Sollich Kg Verfahren und Vorrichtung zum Kühlen von Warenstücken, insbesondere von mit Schokolademasse überzogenen Süßwaren
FR2836212B1 (fr) * 2002-02-20 2004-10-15 Air Liquide Installation de delivrance d'un produit congele et son procede d'utilisation
WO2004017000A1 (en) * 2002-08-16 2004-02-26 The Boc Group, Inc. Method and apparatus for surface crust freezing of food products
FR2853404A1 (fr) * 2003-04-07 2004-10-08 Air Liquide Procede de determination de parametres de fonctionnement d'une installation comprenant une enceinte de refroidissement
DE102004015741A1 (de) * 2004-03-29 2005-10-20 Sms Demag Ag Vorrichtung zum Kühlen von Blechen und Bändern
US7464559B2 (en) * 2005-10-07 2008-12-16 Stokely-Van Camp, Inc. Bottle cooler and method
US8096138B2 (en) * 2005-10-07 2012-01-17 Stokely-Van Camp, Inc. Bottle pasteurizer and method
DE102006045266A1 (de) * 2006-09-22 2008-04-03 Linde Ag Vorrichtung zum Kühlen und/oder Frosten von Stoffen
FR2928520B1 (fr) * 2008-03-12 2014-09-26 Air Liquide Dispositif et procede de refroidissement ou surgelation par jets impactants de produits alimentaires
US20140230460A1 (en) * 2009-12-22 2014-08-21 Michael D. Newman Heat flux freezer control apparatus and method
DE102010020429B4 (de) * 2010-05-12 2024-02-22 Khs Gmbh Pasteur mit geregelter Spritzmenge
GB201115555D0 (en) * 2011-09-08 2011-10-26 Linde Aktiengesellshcaft A tunnel
US10274251B2 (en) 2016-03-16 2019-04-30 Walmart Apollo, Llc Systems and methods for cooling products during transportation
AU2018230528B2 (en) 2017-03-06 2024-03-14 Nitrocrete Llc Cooling system and method
US20190170424A1 (en) * 2017-12-01 2019-06-06 Shanghai Ocean University Jet nozzle structure of impact-type freezer
CN107883630A (zh) * 2017-12-12 2018-04-06 广州鲜之源生态冷链技术有限公司 一种菜肴的液氮制冷装置及制冷方法
CN107883629A (zh) * 2017-12-12 2018-04-06 广州鲜之源生态冷链技术有限公司 一种米饭的液氮制冷装置及制冷方法
CN108592489A (zh) * 2018-04-08 2018-09-28 南通星诺冷冻设备有限公司 一种新型喷淋式包冰机
CN109341170A (zh) * 2018-10-19 2019-02-15 罗代旺 一种用于智能工业设备的散热装置
IT201900007190A1 (it) * 2019-05-24 2020-11-24 Pnr Italia S R L Ugello o bocchello atomizzatore smontabile
CN114704986B (zh) * 2022-04-01 2024-03-19 上海潮乡源食品有限公司 一种高品质速冻牛排加工用的速冻设备
CN114849923A (zh) * 2022-04-21 2022-08-05 江西师范大学 一种小龙虾包冰锁鲜用粘合剂智能喷洒设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US850216A (en) * 1905-10-07 1907-04-16 John F Dornfeld Spraying-nozzle.
US2305210A (en) * 1940-10-28 1942-12-15 Spraying Systems Co Spray shaper
US3072346A (en) * 1961-09-29 1963-01-08 Spraying Systems Co Spray nozzle
US3214928A (en) * 1963-03-22 1965-11-02 Oberdorfer Karl Method and apparatus for freezing food products
US3427820A (en) * 1966-11-14 1969-02-18 Reliquifier Corp Of America Cryogenic flash freezing machines
US3531946A (en) * 1968-07-09 1970-10-06 Elmwood Liquid Products Inc Cryogenic-mechanical refrigeration apparatus
US3746262A (en) * 1971-10-12 1973-07-17 Bete Fog Nozzle Inc Spray nozzle
US4086784A (en) * 1976-12-15 1978-05-02 Hollymatic Corporation Apparatus for refrigerating articles
US4350027A (en) * 1981-10-05 1982-09-21 Lewis Tyree Jr Cryogenic refrigeration apparatus
US4406407A (en) * 1981-11-17 1983-09-27 Wm. Steinen Mfg. Co. High flow low energy solid cone spray nozzle
US4475351A (en) 1983-08-09 1984-10-09 Air Products And Chemicals, Inc. Dual-flow cryogenic freezer
US4813245A (en) * 1988-01-13 1989-03-21 Liquid Air Corporation High efficiency linear freezer
US4934151A (en) * 1989-07-07 1990-06-19 Kyokujitsu Company., Ltd. Continuous multistage thermal processing apparatus, freezing control method for use by the apparatus, and apparatus for preparing a recording medium for the control method
US5054292A (en) * 1990-07-13 1991-10-08 Air Products And Chemicals, Inc. Cryogenic freezer control

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011524972A (ja) * 2008-06-19 2011-09-08 サド,ヤミル アディブ マシーズ 滴下した液体窒素の直接接触による超高速食品冷凍装置
JP2016138685A (ja) * 2015-01-27 2016-08-04 有限会社クールテクノス 低温液化ガスの噴射状態の調整方法および低温液化ガス噴射装置
CN107883631A (zh) * 2017-12-12 2018-04-06 广州鲜之源生态冷链技术有限公司 一种多节点温度调控装置及调控方法
CN110959745A (zh) * 2019-12-17 2020-04-07 内蒙古蒙牛乳业(集团)股份有限公司 脆筒类冷饮巧克力凝冻装置及保持巧克力脆筒脆性的方法
CN113455537A (zh) * 2021-07-31 2021-10-01 广东海洋大学 一种金鲳鱼的节能速冻方法
CN113455537B (zh) * 2021-07-31 2022-02-01 广东海洋大学 一种金鲳鱼的节能速冻方法
US11700862B2 (en) 2021-07-31 2023-07-18 Guangdong Ocean University Energy-saving quick-freezing method for golden pomfret

Also Published As

Publication number Publication date
BR9400598A (pt) 1994-08-23
EP0611933A2 (en) 1994-08-24
GB9303212D0 (en) 1993-03-31
TW258784B (enExample) 1995-10-01
CA2115619A1 (en) 1994-08-18
ZA941031B (en) 1995-08-15
DE69402892T2 (de) 1997-08-14
EP0611933B2 (en) 2001-05-02
EP0611933A3 (en) 1994-11-30
EP0611933B1 (en) 1997-05-02
DE69402892D1 (de) 1997-06-05
US5630321A (en) 1997-05-20
DE69402892T3 (de) 2001-08-23

Similar Documents

Publication Publication Date Title
JPH06300410A (ja) 凍結の方法とそれを実施する装置
US4350027A (en) Cryogenic refrigeration apparatus
US3708995A (en) Carbon dioxide food freezing method and apparatus
US4276753A (en) Cryogenic freezing tunnel control system
CN101828084B (zh) 通过与液氮按剂量直接接触的超快食品冷冻设备
US4966003A (en) Continuous multistage thermal processing apparatus, freezing control method for use by the apparatus, and apparatus for preparing a recording medium for the control method
US4333318A (en) CO2 Freezer
GB2042148A (en) Refrigeration system with carbon dioxide injector
GB1002016A (en) Improvements in or relating to liquid nitrogen freezing system and method of freezing food
US4444023A (en) Snow horns
US4103507A (en) High speed freezing system
US3871185A (en) Method and apparatus for flash freezing various products
US5605049A (en) Exhaust system for a cryogenic freezer
US6279328B1 (en) Cooling method and system for a rotating drum
US4077226A (en) Cryogenic freezer
CA2110106C (en) Air conditioning and refrigeration apparatus utilizing a cryogen
US3871190A (en) Method and apparatus for flash freezing various products
JP5046621B2 (ja) 冷凍システム及び冷凍システムの運転方法
US20110151088A1 (en) Heat flux freezer control apparatus and method
GB1090034A (en) Method and apparatus for deflashing molded resilient pieces
IE34012B1 (en) Apparatus for producing freeze dried products
US4739625A (en) Device for freezing foodstuffs inside a tray cart
US6352021B1 (en) Apparatus for heating and controlling the process temperature in a tunnel pasteurizer
CA1107522A (en) Freezing plant for food products
CA2355173A1 (en) Carcass chilling process and apparatus