Accelerating, optimizing and controlling product cooling in food processing systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-025/00
A23L-003/36
C09K-005/10
A23L-003/349
F28D-015/00
출원번호
US-0452207
(2012-04-20)
등록번호
US-8893518
(2014-11-25)
발명자
/ 주소
Newman, Paul Bernard
출원인 / 주소
ICS Solutions B.V.
대리인 / 주소
Christensen O'Connor Johnson Kindness PLLC
인용정보
피인용 횟수 :
0인용 특허 :
65
초록▼
A coolant mixture, method and apparatus for accelerated cooling of product, especially foodstuffs, is disclosed. A further aspect of this invention is the optimizing and controlling of the cooling process and the cooling medium without the need for pressurization. It further relates to a method of e
A coolant mixture, method and apparatus for accelerated cooling of product, especially foodstuffs, is disclosed. A further aspect of this invention is the optimizing and controlling of the cooling process and the cooling medium without the need for pressurization. It further relates to a method of effectively increasing the flexibility and maximizing of cooling capacity and its storage without inducing a change of physical state within the coolant nor incurring high energy costs. Finally it relates to effectively eliminating any corrosive properties of the cooling medium.
대표청구항▼
1. A coolant mixture comprising a mixture that is neither essentially water nor steam and maintains its liquid state throughout all processing and storage operations without the need for pressurization, even when in contact with foodstuffs whose temperature is greater than 120° C. or less than −18°
1. A coolant mixture comprising a mixture that is neither essentially water nor steam and maintains its liquid state throughout all processing and storage operations without the need for pressurization, even when in contact with foodstuffs whose temperature is greater than 120° C. or less than −18° C., wherein said mixture is able to continuously regenerate its cooling capacity and maintain its necessary functional properties, particularly viscosity, so that said coolant mixture effectively functions both as a low cost refrigerant storage source and high efficiency coolant capable of accelerating a cooling process for foodstuffs subjected to a heating process, wherein said coolant mixture remains non-corrosive to both product and processing components at all times by means of a recycling process comprising filtration, inactivation and regeneration steps that continuously removes any contaminants, liquid, gaseous, solid or ionic that would induce a corrosive reaction in the coolant mixture and both said components of the coolant mixture and of the coolant recycling process further comprise only components approved to directly contact foodstuffs and foodstuff containers. 2. A coolant mixture according to claim 1 wherein the coolant mixture is only derived of components classified as GRAS (Generally Regarded As Safe) or better. 3. A coolant mixture according to claim 1 wherein the temperature of the liquid coolant is maintained between −30° C. and 0° C. 4. A coolant mixture according to claim 1 wherein the coolant mixture is essentially greater than 75% pure glycerol and less than 20% water. 5. A coolant mixture according to claim 1 wherein the coolant mixture is permanently maintained in a non-corrosive state by continuous removal of any contaminants, whether liquids, solids, gaseous and ionic mixtures therein. 6. A coolant mixture according to claim 1 wherein the coolant is essentially maintained in a non-corrosive state by filtering through suitable recycling media. 7. A coolant mixture according to claim 6 wherein said filtration media is preferentially composed of a mixture of Zeolites and chelation mixture, specific for the contaminants likely to be found in said coolant mixture after any processing operation. 8. A coolant mixture according to claim 6 wherein said filtration media always contains a suitable chelation mixture. 9. A coolant mixture according to claim 8 wherein said chelation mixture only contains a mixture of an acid, sodium salt and calcium salt of EDTA, preferably in a range of 5-500 ppm, but said chelation mixture is optimized for those metal ions present in the coolant. 10. A coolant mixture according to claim 1 wherein the coolant mixture can be rapidly chilled by any suitable method to −18° C. or below without a change of state. 11. A coolant mixture according to claim 1 wherein the cooling of said coolant mixture and its maintenance in a cooled state is achieved essentially using atmospheric air. 12. A coolant mixture according to claim 1 wherein the viscosity of the coolant mixture is maintained within its optimum range for product cooling, preferably within a range of 1.9 and 200 centipoises/mPa. 13. A coolant mixture, according to claim 1 wherein said coolant mixture accelerates the cooling process by between 1.8× and 2.5× faster than conventional direct or indirect gaseous. or liquid food cooling systems 14. A method of monitoring, measurement, controlling, optimizing and accelerating a cooling process for products, particularly foodstuffs using a coolant mixture, that is neither essentially water nor steam and maintains its liquid state throughout all processing and storage operations without the need for pressurization, even when in contact with foodstuffs whose temperature is greater than 120° C. or less than −18° C., wherein said coolant mixture is able to continuously regenerate its cooling capacity and maintain its necessary functional properties, particularly viscosity, so that said coolant mixture effectively functions both as a low cost refrigerant storage source and high efficiency coolant capable of accelerating the cooling process for foodstuffs subjected to a heating process, wherein said coolant mixture remains non-corrosive to both product and processing components at all times by means of a recycling process comprising filtration, inactivation and regeneration steps that continuously removes any contaminants, liquid, gaseous, solid or ionic that would induce a corrosive reaction in the coolant mixture and both said components of the coolant mixture and of the coolant recycling process further comprise only components approved to directly contact foodstuffs and foodstuff containers. 15. A method according to claim 14 wherein the coolant mixture and method can be applied to any suitably treated unconstrained product or product constrained within a container. 16. A method according to claim 14 wherein application of said coolant mixture to the product or its container results in accelerated product cooling. 17. A method according to claim 14 wherein application of said coolant mixture to the product or its container results in reduced or eliminated product variability. 18. A method according to claim 14 where in the coolant mixture is maintained in a cooled state by an air flow system using atmospheric air, preferably a forced air flow. 19. A method according to claim 14 wherein the coolant mixture itself functions as a reservoir for refrigerant. 20. An apparatus for monitoring, measurement, controlling, optimizing, and accelerating a cooling for products, particularly, foodstuffs comprising: a coolant mixture comprising a mixture that is neither essentially water nor steam and maintains a liquid state throughout all processing and storage operations without the need for pressurization, even when in contact with foodstuffs whose temperature is greater than 120° C. or less than −18° C.;a recycling means for having said coolant mixture remain non-corrosive to both product and processing components at all times by means of a recycling process comprising filtration, inactivation and regeneration steps that continuously removes any contaminants, liquid, gaseous, solid, or ionic that would induce a corrosive reaction in the coolant mixture; andboth said components of the coolant mixture and of the coolant recycling process further comprise only components approved to directly contact foodstuffs and foodstuff containers. 21. An apparatus according to claim 20 wherein the recycling means have at least one of filtration media comprising Zeolite, filtration media comprising salts of EDTA, a pre-filter or centrifuge, and an indirect air cooling system for cooling the coolant mixture.
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