CN105066560A - Cold chain central kitchen food quick cooling technique - Google Patents

Cold chain central kitchen food quick cooling technique Download PDF

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Publication number
CN105066560A
CN105066560A CN201510550434.3A CN201510550434A CN105066560A CN 105066560 A CN105066560 A CN 105066560A CN 201510550434 A CN201510550434 A CN 201510550434A CN 105066560 A CN105066560 A CN 105066560A
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China
Prior art keywords
cooling
food
cooled
storehouse
temperature
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CN201510550434.3A
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Chinese (zh)
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CN105066560B (en
Inventor
徐哲定
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Guangzhou Xi Ming Machinery Co Ltd
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Guangzhou Xi Ming Machinery Co Ltd
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Priority to CN201510550434.3A priority Critical patent/CN105066560B/en
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Classifications

    • 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
    • F25D13/00Stationary devices, e.g. cold-rooms
    • F25D13/06Stationary devices, e.g. cold-rooms with conveyors carrying articles to be cooled through the cooling space
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • 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
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/04Charging, supporting, and discharging the articles to be cooled by conveyors

Abstract

The invention discloses a cold chain central kitchen food quick cooling technique. The technique comprises the following steps that A, nitrogen is prepared, wherein nitrogen used for cooling is cooled to -18 to -25 DEG C to be used; B, a pre-cooling bin is pre-cooled to 8 to 12 DEG C; C, food is loaded and transported; D, the food is pre-cooled, wherein a plate trolley loaded with staple food and dishes is put into the pre-cooling bin to be pre-cooled; E, the plate trolley is pushed into a cooling bin, and a temperature sensing probe is inserted into the center of the food to be cooled; F, the cooling bin is closed for cooling, air in the cooling bin is replaced with the nitrogen which is -18 to -25 DEG C, the nitrogen is used for cooling, and a cooling finishing prompt tone is sent out through a loudspeaker when the temperature sensing probe detects that the temperature of the center of the food to be cooled is lowered to 10 DEG C; G, temporary storage is conducted. By the adoption of the technique of conducting pre-cooling before quick cooling, produced food does not shrink easily, and prepared rice tastes good.

Description

The process that cold chain central authorities kitchen food cools rapidly
Technical field
The invention belongs to the production technology of cold chain central authorities kitchen food, be specifically related to the process that a kind of cold chain central authorities kitchen food cools rapidly.
Background technology
Along with the progress of society and the raising of people's living standard, and the quickening of live and work rhythm, the variation of life content, no matter be for subjective or objective consideration, people in for three meals in a day the work that spends and the time fewer and feweri, also increasing to the demand of instant staple food, the frequency that the instant food of the classes such as such as instant noodles, convenient rice noodle, instant-rice appears on people's key table increases day by day, and such present situation and demand also promote socialization that family cooks, industrialization.Antistaling instant food has catered to such requirement background and has produced.Freshness-keeping instant rice (also claiming fresh rice or instant fresh rice) should be one of food be wherein esthetically acceptable to the consumers most.So-called fresh rice, refer to that slaking also has the rice goods in certain storage time through suitably packing, also wet method instant-rice is claimed, this rice goods have normal water content, through suitable packaging and sterilization processing, can put on market, through suitably heating or not needing heating and edible after consumer buys.When instant noodles occupy large portion's fast food market share, the demand of instant fresh instant-rice also increases thereupon.
It is CN102657309A that State Intellectual Property Office discloses publication number on September 12nd, 2012, name is called a kind of application for a patent for invention document of processing method of fresh rice, the processing method of the document, comprise the steps: A) soaking disinfection, disinfectant is added to sealing fermentation vat, the grain of rice soaks certain hour via fermentation vat; B) steam sterilization, enter in steam box through the grain of rice soaked out, utilize the heating tube disinfectant heated in tank to produce disinfectant steam and carry out two-stage sterilization; C) cooling sterilization, the rice steaming out through steam box, via cooling sterilization pool, adds disinfectant in cooling sterilization pool, and rice is cooled by disinfectant through cooling sterilization pool; D) mounted box, cools from the sterilization of cooling sterilization pool the rice breaing up out, is filled in box; E) sterilizing before sealing, utilizes sterilization water generates steam to carry out sterilization treatment at enclosed cavity the packed meal installing rice; F) seal, the packed meal of sterilizing is delivered in containing vacuum sealing machine and seals; G) sterilizing after sealing, the packed meal sealed, then carry out sterilizing place.
Above-mentioned production technology, when the food cooling to slaking, does not adopt first precooling, faster cold production technology, therefore the food produced easily shrinks, thus have impact on edible mouthfeel.
Summary of the invention
The object of this invention is to provide one not easily to shrink, the process that the cold chain central authorities kitchen food that rice mouthfeel is good cools rapidly.
For achieving the above object, the technical solution adopted in the present invention is:
The cold chain central authorities process that cools rapidly of kitchen food, comprises the following steps: A, nitrogen for subsequent use: open cooling storehouse refrigerating plant, cooling nitrogen is down to-18 DEG C ~-25 DEG C for subsequent use; B, the precooling in advance of precooling storehouse: utilize central air-conditioning in advance the temperature in precooling storehouse to be down to 8 DEG C ~ 12 DEG C; C, food materials entrucking conveying: staple food to be cooled and dish are loaded jiggering; D, food materials precooling: the jiggering that staple food and dish are housed is sent into precooling storehouse, precooling 10 minutes ~ 30 minutes; E, feeding cooling storehouse: hoistable platform is risen staple food to be cooled and dish jiggering propelling cooling storehouse are housed, and by cooled for the insertion of temperature-sensitive probe food center; F, the cooling of storehouse, pass: close cooling storehouse, by the nitrogen that the air displacement in cooling storehouse is-18 DEG C ~-25 DEG C, utilize the nitrogen of-18 DEG C ~-25 DEG C to cool, when the central temperature that temperature-sensitive probe detects cooled food is down to 10 DEG C, send the complete prompt tone of cooling by loudspeaker; G, temporary: after hearing the complete prompt tone of cooling, to open the discharge door in cooling storehouse, lifting platform is risen, jiggering is pushed in the temporary room of 8 DEG C ~ 12 DEG C, complete the technique cooled rapidly .
In described steps A, the best alternate temperature of described cooling nitrogen is-22 DEG C.
In described step B, central air-conditioning is utilized in advance the temperature in precooling storehouse to be down to 10 DEG C.
In described step F, when the central temperature of cooled food is down to 10 DEG C, the time of cooling is not more than 20 minutes.
In described step G, central air-conditioning is utilized in advance the temperature in temporary room to be down to 10 DEG C.
Beneficial effect of the present invention: due to first precooling, faster cold production technology, therefore the food produced not easily shrinks, the mouthfeel of the rice processed is good.
Detailed description of the invention
Embodiment 1
The process that cold chain central authorities kitchen food cools rapidly, comprises the following steps:
A, nitrogen for subsequent use: open cooling storehouse refrigerating plant, cooling nitrogen is down to-18 DEG C for subsequent use;
B, the precooling in advance of precooling storehouse: utilize central air-conditioning in advance the temperature in precooling storehouse to be down to 8 DEG C;
C, food materials entrucking conveying: staple food to be cooled and dish are loaded jiggering;
D, food materials precooling: the jiggering that staple food and dish are housed is sent into precooling storehouse, precooling 30 minutes; E, feeding cooling storehouse: hoistable platform is risen staple food to be cooled and dish jiggering propelling cooling storehouse are housed, and by cooled for the insertion of temperature-sensitive probe food center;
F, the cooling of storehouse, pass: close cooling storehouse, by cooling storehouse in air displacement be the nitrogen of-18 DEG C, the nitrogen of-18 DEG C is utilized to cool, when the central temperature more than 90 DEG C of cooled food is down to 10 DEG C, the time of cooling is not more than 20 minutes, when the central temperature that temperature-sensitive probe detects cooled food is down to 10 DEG C, send the complete prompt tone of cooling by loudspeaker;
G, temporary: after hearing the complete prompt tone of cooling, to open the discharge door in cooling storehouse, lifting platform is risen, jiggering is pushed in the temporary room of 8 DEG C, complete the technique cooled rapidly.
Embodiment 2
The process that cold chain central authorities kitchen food cools rapidly, comprises the following steps:
A, nitrogen for subsequent use: open cooling storehouse refrigerating plant, cooling nitrogen is down to-22 DEG C for subsequent use;
B, the precooling in advance of precooling storehouse: utilize central air-conditioning in advance the temperature in precooling storehouse to be down to 10 DEG C;
C, food materials entrucking conveying: staple food to be cooled and dish are loaded jiggering;
D, food materials precooling: the jiggering that staple food and dish are housed is sent into precooling storehouse, precooling 20 minutes; E, feeding cooling storehouse: hoistable platform is risen staple food to be cooled and dish jiggering propelling cooling storehouse are housed, and by cooled for the insertion of temperature-sensitive probe food center;
F, the cooling of storehouse, pass: close cooling storehouse, by cooling storehouse in air displacement be the nitrogen of-22 DEG C, the nitrogen of-22 DEG C is utilized to cool, when the central temperature more than 90 DEG C of cooled food is down to 10 DEG C, the time of cooling is not more than 20 minutes, when the central temperature that temperature-sensitive probe detects cooled food is down to 10 DEG C, send the complete prompt tone of cooling by loudspeaker;
G, temporary: after hearing the complete prompt tone of cooling, to open the discharge door in cooling storehouse, lifting platform is risen, jiggering is pushed in the temporary room of 10 DEG C, complete the technique cooled rapidly.
Embodiment 3
The process that cold chain central authorities kitchen food cools rapidly, comprises the following steps:
A, nitrogen for subsequent use: open cooling storehouse refrigerating plant, cooling nitrogen is down to-25 DEG C for subsequent use;
B, the precooling in advance of precooling storehouse: utilize central air-conditioning in advance the temperature in precooling storehouse to be down to 12 DEG C;
C, food materials entrucking conveying: staple food to be cooled and dish are loaded jiggering;
D, food materials precooling: the jiggering that staple food and dish are housed is sent into precooling storehouse, precooling 10 minutes; E, feeding cooling storehouse: hoistable platform is risen staple food to be cooled and dish jiggering propelling cooling storehouse are housed, and by cooled for the insertion of temperature-sensitive probe food center;
F, the cooling of storehouse, pass: close cooling storehouse, by cooling storehouse in air displacement be the nitrogen of-25 DEG C, the nitrogen of-25 DEG C is utilized to cool, when the central temperature more than 90 DEG C of cooled food is down to 10 DEG C, the time of cooling is not more than 20 minutes, when the central temperature that temperature-sensitive probe detects cooled food is down to 10 DEG C, send the complete prompt tone of cooling by loudspeaker;
G, temporary: after hearing the complete prompt tone of cooling, to open the discharge door in cooling storehouse, lifting platform is risen, jiggering is pushed in the temporary room of 12 DEG C, complete the technique cooled rapidly.

Claims (5)

1. the cold chain central authorities process that cools rapidly of kitchen food, is characterized in that: comprise the following steps: A, nitrogen for subsequent use: open cooling storehouse refrigerating plant, cooling nitrogen is down to-18 DEG C ~-25 DEG C for subsequent use; B, the precooling in advance of precooling storehouse: utilize central air-conditioning in advance the temperature in precooling storehouse to be down to 8 DEG C ~ 12 DEG C; C, food materials entrucking conveying: staple food to be cooled and dish are loaded jiggering; D, food materials precooling: the jiggering that staple food and dish are housed is sent into precooling storehouse, precooling 10 minutes ~ 30 minutes; E, feeding cooling storehouse: hoistable platform is risen staple food to be cooled and dish jiggering propelling cooling storehouse are housed, and by cooled for the insertion of temperature-sensitive probe food center; F, the cooling of storehouse, pass: close cooling storehouse, by the nitrogen that the air displacement in cooling storehouse is-18 DEG C ~-25 DEG C, utilize the nitrogen of-18 DEG C ~-25 DEG C to cool, when the central temperature that temperature-sensitive probe detects cooled food is down to 10 DEG C, send the complete prompt tone of cooling by loudspeaker; G, temporary: after hearing the complete prompt tone of cooling, to open the discharge door in cooling storehouse, lifting platform is risen, jiggering is pushed in the temporary room of 8 DEG C ~ 12 DEG C, complete the technique cooled rapidly.
2. the process that cools rapidly of cold chain according to claim 1 central authorities kitchen food, it is characterized in that: in described steps A, the backup temperature of described cooling nitrogen is-22 DEG C.
3. the process that cools rapidly of cold chain according to claim 1 central authorities kitchen food, is characterized in that: in described step B, utilizes central air-conditioning in advance the temperature in precooling storehouse to be down to 10 DEG C.
4. the process that cools rapidly of cold chain according to claim 1 central authorities kitchen food, it is characterized in that: when the central temperature of cooled food is down to 10 DEG C, the time of cooling is not more than 20 minutes.
5. the process that cools rapidly of cold chain according to claim 1 central authorities kitchen food, is characterized in that: utilize central air-conditioning in advance the temperature in temporary room to be down to 10 DEG C.
CN201510550434.3A 2015-09-01 2015-09-01 The process that cold chain center kitchen food is rapidly cooled down Active CN105066560B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112923649A (en) * 2019-12-06 2021-06-08 合肥华凌股份有限公司 Refrigeration method, refrigeration equipment and readable storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1522594A (en) * 2003-09-12 2004-08-25 赵明伟 Alpha starch rice production method
CN1661308A (en) * 2003-01-24 2005-08-31 刘艳群 Method for freezing refrigerating and drying foodstuff by using tail gas from steel plant
US20090298773A1 (en) * 2006-11-17 2009-12-03 Marukome Co., Ltd. Methods of producing functional miso
CN102657309A (en) * 2012-04-28 2012-09-12 广州玺明机械有限公司 Processing method of fresh keeping rice
CN102687830A (en) * 2012-07-04 2012-09-26 大娘水饺餐饮集团股份有限公司 Production process of microwave-cooked dumplings
CN104207021A (en) * 2014-07-23 2014-12-17 华南理工大学 Method for quick-freezing rice through synergism of ultrasonic wave with high hydrostatic pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1661308A (en) * 2003-01-24 2005-08-31 刘艳群 Method for freezing refrigerating and drying foodstuff by using tail gas from steel plant
CN1522594A (en) * 2003-09-12 2004-08-25 赵明伟 Alpha starch rice production method
US20090298773A1 (en) * 2006-11-17 2009-12-03 Marukome Co., Ltd. Methods of producing functional miso
CN102657309A (en) * 2012-04-28 2012-09-12 广州玺明机械有限公司 Processing method of fresh keeping rice
CN102687830A (en) * 2012-07-04 2012-09-26 大娘水饺餐饮集团股份有限公司 Production process of microwave-cooked dumplings
CN104207021A (en) * 2014-07-23 2014-12-17 华南理工大学 Method for quick-freezing rice through synergism of ultrasonic wave with high hydrostatic pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112923649A (en) * 2019-12-06 2021-06-08 合肥华凌股份有限公司 Refrigeration method, refrigeration equipment and readable storage medium

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Denomination of invention: Cold chain central kitchen food quick cooling technique

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Denomination of invention: Rapid cooling technology of food in cold chain central kitchen

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Denomination of invention: Process method for rapid cooling of food in cold chain central kitchen

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