Method and apparatus for reducing the number of microbes during tandem operation
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01J-011/00
A23L-003/16
출원번호
US-0067036
(2006-09-08)
등록번호
US-8109209
(2012-02-07)
우선권정보
DE-10 2005 044 536 (2005-09-17)
국제출원번호
PCT/EP2006/008762
(2006-09-08)
§371/§102 date
20080808
(20080808)
국제공개번호
WO2007/031236
(2007-03-22)
발명자
/ 주소
Dieckmann, Peter
Dieckmann, legal representative, Stephan
Dieckmann, legal representative, Bianca
Dieckmann, legal representative, Graciela
출원인 / 주소
Dieckmann, Peter
대리인 / 주소
Lempia Summerfield Katz LLC
인용정보
피인용 횟수 :
1인용 특허 :
6
초록▼
The invention relates to a method and an apparatus (2) for reducing the microbial count in particulate bulk material, in particular herbs and spices and other particulate foodstuffs, by treating batches of the bulk material with hot steam. In order to make better use of the thermal energy contained
The invention relates to a method and an apparatus (2) for reducing the microbial count in particulate bulk material, in particular herbs and spices and other particulate foodstuffs, by treating batches of the bulk material with hot steam. In order to make better use of the thermal energy contained in the steam, the invention proposes that the bulk material is in each case alternately treated with steam in two separate chambers (6, 8), and that, after treatment of the bulk material in a chamber (6 or 8), some of the steam which is supplied to this chamber (6 or 8) is introduced into the other chamber (8 or 6) in order to preheat the still untreated bulk material in said other chamber (8 or 6).
대표청구항▼
1. A method to reduce the number of microbes in particulate bulk material, the method comprising the steps of: providing two separate chambers;placing a batch of the bulk material in each of the two separate chambers;treating batches of the bulk material with steam alternately in the two separate ch
1. A method to reduce the number of microbes in particulate bulk material, the method comprising the steps of: providing two separate chambers;placing a batch of the bulk material in each of the two separate chambers;treating batches of the bulk material with steam alternately in the two separate chambers; andmoving part of the steam introduced into one chamber of the two separate chambers to the other chamber of the two separate chambers after treating the bulk material in the one chamber. 2. A method based on claim 1, including the step of applying a reduced pressure to the other chamber of the two separate chambers prior to moving steam from the one chamber of the two separate chambers into the other chamber of the two separate chambers. 3. A method based on claim 1, including the step of moving steam from one of the two separate chambers into the other of the two separate chambers until pressure equilibrium is attained between the two separate chambers. 4. A method based on claim 1, including the step of introducing additional steam supplied from an external steam source into one of the two separate chambers after steam has been introduced from the other of the two separate chambers into the one chamber. 5. A method based on claim 4, including the steps of: providing a steam-jet pump;introducing the additional steam through the steam-jet pump; andaspirating steam from one of the two separate chambers into the steam-jet pump and together with the additional steam from the external steam source into the other of the two separate chambers by a reduced pressure created in the steam-jet pump during the introduction of the additional steam through the steamjet pump. 6. A method based on claim 1, including the step of putting the two separate chambers in vibratory motion during treatment with steam and/or during application of reduced pressure. 7. An apparatus for reducing the number of microbes in particulate bulk material by batch processing of the bulk material with steam, the apparatus comprising: two separate chambers that can be loaded with bulk material and unloaded in batches, the chambers being alternately connectable to an external steam source for introducing steam into the chambers; anda connection device for connecting the two separate chambers after treatment of a batch of the bulk material in one chamber with steam introduced from the steam source into the one chamber and for moving part of the steam introduced into the one chamber to the other chamber. 8. An apparatus based on claim 7, wherein the connection device is a connection conduit having at least one shutoff valve. 9. An apparatus based on claim 7, further comprising at least one steam-jet pump disposed between the steam source (18) and the two chambers (6, 8), the steam-jet pump being connected by a suction conduit, which is normally closed, to one of the two separate chambers. 10. An apparatus based on claim 9, wherein the connection device moves additional steam from the steam source through the steam-jet pump into one of the two separate chambers and opens the closed suction conduit between the steam-jet pump and the other chamber. 11. An apparatus based on claim 7, further comprising a reduced pressure source that can alternately be connected to the two separate chambers. 12. An apparatus based on claim 7, wherein the connection device regulates the sequence of opening and closing of bulk material inlets and outlets of the two separate chambers of shutoff valves between the two separate chambers (6, 8) and the steam source or the reduced pressure source respectively of at least one shutoff valve in the connection device, and of additional shutoff valves in suction conduits between the steam-jet pump and the two separate chambers. 13. An apparatus based on claim 7, wherein the two separate chambers are movably suspended and connected with a vibrator. 14. A method based on claim 1, wherein the bulk material is spices, herbs, or other particulate foodstuffs. 15. An apparatus based on claim 7, wherein the bulk material is spices, herbs, or other particulate foodstuffs. 16. An apparatus based on claim 7, wherein the connection device includes a normally closed connection conduit or connection opening between the two separate chambers. 17. An apparatus based on claim 7, wherein the connection device includes a control mechanism.
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이 특허에 인용된 특허 (6)
Denvir Adrian J. ; McKenzie K. Scott ; Rogers Thomas D. ; Miller Douglas R. ; Hitchens G. Duncan ; Andrews Craig C., Apparatus and method of food decontamination by treatment with ozone.
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