US20080271730A1 - Underwater ultrasonic thawing apparatus - Google Patents

Underwater ultrasonic thawing apparatus Download PDF

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Publication number
US20080271730A1
US20080271730A1 US12/114,263 US11426308A US2008271730A1 US 20080271730 A1 US20080271730 A1 US 20080271730A1 US 11426308 A US11426308 A US 11426308A US 2008271730 A1 US2008271730 A1 US 2008271730A1
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United States
Prior art keywords
thawing
stuff
underwater ultrasonic
thawed
treatment tank
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Abandoned
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US12/114,263
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English (en)
Inventor
Shintaro Takenaka
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.)
Shinyoh Industries Co Ltd
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Shinyoh Industries Co Ltd
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 Shinyoh Industries Co Ltd filed Critical Shinyoh Industries Co Ltd
Assigned to SHINYO INDUSTRIES CO., LTD. reassignment SHINYO INDUSTRIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAKENAKA, SHINTARO
Publication of US20080271730A1 publication Critical patent/US20080271730A1/en
Abandoned legal-status Critical Current

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    • 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
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • A23B4/005—Preserving by heating
    • A23B4/01—Preserving by heating by irradiation or electric treatment with or without shaping, e.g. in form of powder, granules or flakes
    • 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
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A23L3/365—Thawing subsequent to freezing
    • 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
    • A23B4/00—General methods for preserving meat, sausages, fish or fish products
    • 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
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/30—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating by treatment with ultrasonic waves

Definitions

  • the present invention relates to an underwater ultrasonic thawing apparatus with respect to an already frozen stuff in all fields such as a frozen food and a frozen anatomy regarding medical clinical at present when the frozen stuff is distributed, wherein the underwater ultrasonic thawing apparatus emits a plurality of frequency bands of ultrasound to the frozen stuff at an ice temperature, enables an outer hull and core thereof to be simultaneously thawed, and reproduces freshness of the frozen stuff as when it was completely frozen.
  • the underwater ultrasonic thawing apparatus of the invention is able to wash an outer surface of a thrown-in stuff and sterilize the stuff, not limited to a thawed stuff (which means “stuff to be thawed”), and to freeze the stuff as it is after washed.
  • a thawed stuff which means “stuff to be thawed”
  • a food of a goods can be frozen; as a normal freezing method are cited a method of storing the food for a long time in the air of a warehouse of a low temperature and freezing the food; and a technology of instantaneously freezing a fresh raw material at an ultra low temperature by liquid nitrogen of ⁇ 196 degrees Celsius.
  • a thawing method is cited natural thawing by leaving a thawed stuff (stuff to be thawed) in the atmospheric air for a long time. Furthermore, in thawing the thawed stuff, although the stuff is exposed in the atmospheric air for a long time, moisture is vaporized from the surface of the stuff due to humidity in the atmospheric air. Then when the moisture is vaporized, the texture of the thawed stuff is destroyed and a drip flows out of the destroyed texture. With respect to this point, it is also a problem to reduce the drip.
  • any freezing technology described above a person other than in charge cannot know a freezing process after a food is frozen; a consumer and a distributor perform thawing after the purchase of an already frozen stuff, and can firstly know its quality badness after they thaw the stuff.
  • the natural thawing in the air which is a conventional thawing technology, is a method of making the air in the atmosphere a medium and thawing an already frozen stuff by a temperature difference, an energy transfer force is weak due to the stuff being in the air, even if various frequencies other than a magnetron heat-generation frequency are emitted, and thus, the natural thawing does not shorten the thawing time of the stuff.
  • thawing is performed from the previous day, taking a long time, in prospect of a sale scheduled amount of the next day.
  • the thawing is performed while tap water is released into a sink.
  • an underwater ultrasonic thawing apparatus It is an apparatus for thawing a thawed stuff (stuff to be thawed) under water where a heat transfer coefficient higher than in the air.
  • the underwater ultrasonic thawing apparatus emits ultrasound to the thawed stuff thrown in water by an ultrasonic vibrator in order to promote the thawing, gives a kinetic energy to the water molecules of the stuff, and thaws the stuff by a temperature rise.
  • the underwater ultrasonic thawing apparatus because ethanol is added to water where the thawed stuff is thrown, it is also possible to sterilize the outer surface of the stuff.
  • ideal thawing is simultaneously thawing the center portion and outside of the thawed stuff. That is, according to the conventional thawing methods, although it is possible to perform thawing, there exists no way of enabling the center portion and outside of the thawed stuff to be simultaneously thawed.
  • a first aspect of an underwater ultrasonic thawing apparatus relating to the present invention is to comprise a thawing treatment tank configured to fill thawing treatment water, an underwater ultrasonic vibrator configured to be fixed to an inner peripheral face of the thawing treatment tank and to emit ultrasound, a temperature sensor configured to detect a temperature of the thawing treatment water, a temperature adjuster configured to adjust the thawing treatment water to a predetermined temperature, a controller configured to control the underwater ultrasonic vibrator, and a separation and hold means configured to separately hold a thawed stuff (stuff to be thawed) throw-in the thawing treatment tank and the underwater ultrasonic vibrator.
  • a thawing treatment tank configured to fill thawing treatment water
  • an underwater ultrasonic vibrator configured to be fixed to an inner peripheral face of the thawing treatment tank and to emit ultrasound
  • a temperature sensor configured to detect a temperature of the thawing treatment water
  • a temperature adjuster configured to adjust
  • the underwater ultrasonic thawing apparatus of the invention even if the thawed stuff throw-in the thawing treatment tank contacts an emission place of the ultrasound of the underwater ultrasonic vibrator disposed in the thawing treatment tank, it is possible to prevent the contact place of the thawed stuff from being thawed in advance, and a vibration propagation of the ultrasound from being damaged with respect to a whole area of the thawing treatment water.
  • a second aspect of the underwater ultrasonic thawing apparatus relating to the invention is in the first aspect that the separation and hold means is configured to be a mesh plate covering a side face and bottom face of an inner periphery side of the thawing treatment tank with a definite distance to the side face and the bottom face.
  • a third aspect of the underwater ultrasonic thawing apparatus relating to the invention is in the first aspect that the separation and hold means is configured to be disposed in the thawing treatment tank and to be a mesh basket where the thawed stuff is thrown.
  • a fourth aspect of the underwater ultrasonic thawing apparatus relating to the invention is in the third aspect that the mesh basket is rotatable in the thawing treatment tank.
  • a seventh aspect of the underwater ultrasonic thawing apparatus relating to the invention is in the first aspect that a plurality of the underwater ultrasonic vibrators is comprised and a part of the plurality of the underwater ultrasonic vibrators has a frequency of 25 kHz to 300 kHz and the others have a frequency of 300 kHz to 2000 kHz.
  • An eighth aspect of the underwater ultrasonic thawing apparatus relating to the invention is in the first aspect that the apparatus further comprises a circulation pump configured to circulate the thawing treatment water filled in the thawing treatment tank.
  • a thawing completion time of a thawed stuff means a time when the thawing of the core portion thereof is completed; an ultrasound energy emitted from an underwater ultrasonic vibrator is transferred from the outer surface to core portion, center, of the thawed stuff by also being assisted by thawing treatment water of high conductivity covering around the thawed stuff.
  • the ultrasound energy received by the outer surface of the thawed stuff is larger than that of the core portion thereof, and the outer surface starts to firstly thaw. Then because the texture of an already thawed food decreases in the conductivity of the ultrasound energy, its outer surface already thawed becomes a cause of delaying the thawing speed of the core; whereas, the outer surface receives the energy more than necessary at a time when the core is completely thawed.
  • the present invention by delaying the thawing speed of the outer surface of the thawed stuff with the thawing treatment water of a temperature of approximately ⁇ 5 degrees Celsius around the stuff, it is intended to prevent not only the freshness of the stuff from being degraded due to the outer surface being overheated, but also the thawing speed of the core portion from being delayed.
  • thawing is conventionally in the air which is a heat transfer medium
  • the thawing is adapted to be in the water where a heat transfer coefficient is higher than in the air.
  • FIG. 1 is a whole section view and partial front view of an underwater ultrasonic thawing apparatus relating to an embodiment of the present invention.
  • FIG. 2 is a plan section view of the underwater ultrasonic thawing apparatus shown in FIG. 1 .
  • FIG. 3 is a whole section view and partial front view of the underwater ultrasonic thawing apparatus, where a separation and hold means is changed from that of FIG. 1 , relating to the embodiment.
  • FIG. 4 is a whole section view and partial front view of the underwater ultrasonic thawing apparatus, where thawing is performed by using a metal mesh conveyor, relating to the embodiment.
  • FIG. 5 is a whole section view and partial front view of the underwater ultrasonic thawing apparatus, where a refrigerant is used, relating to the embodiment.
  • a thawing treatment tank 10 including underwater ultrasonic vibrators 11 provided on inner faces thereof and a thawing treatment tank lid 12 configured to close an opening of the tank 10 are attached to be freely opened and closed.
  • the underwater ultrasonic thawing apparatus 1 comprises a controller 14 configured to control an operation of the underwater ultrasonic vibrators 11 , a temperature adjuster 30 configured to adjust a temperature of thawing treatment water 20 filled in the thawing treatment tank 10 , and circulation pumps 31 configured to circulate the thawing treatment water 20 adjusted to a predetermined temperature by the adjuster 30 .
  • the underwater ultrasonic thawing apparatus 1 comprises mesh plates 15 as a separation and hold means.
  • a shape and size of the underwater ultrasonic thawing apparatus 1 are free.
  • the tank 10 preferably has a heat insulation structure because it prevents the temperature of the thawing treatment water 20 filled in the tank 10 from rising.
  • the heat insulation structure it is cited to make the structure a multilayer wall and to make a gap between the wall to be vacuum.
  • a frequency of the underwater ultrasonic vibrators 11 is assumed to be from 25 kHz to 2000 kHz. Although there exists an individual difference, a range of 20 Hz to 20 kHz, which is a human audible sound band width, is not used from a viewpoint of its influence on a human body. On one hand, if the frequency is higher, a heat conversion of an ultrasound vibration energy is larger; it is difficult to maintain the ice thawing temperature of the thawing treatment water 20 against the temperature rise of the thawed stuff 2 , and therefore, the frequency of the underwater ultrasonic vibrators 11 is assumed up to 2000 kHz. Furthermore, not less than two kinds of the underwater ultrasonic vibrators 11 may be disposed which are different in frequency.
  • a plurality of the vibrators 11 controlled by the controller 14 are matched with respective areas and shapes of inner faces of the thawing treatment tank 10 and side faces of a floating prevention protrusion 13 , and are disposed on the inner faces and the side faces.
  • the thawing treatment water 20 is water made by adding ethanol to pure water by 15% in volume.
  • the thawing treatment water 20 does not freeze even if a temperature thereof is ⁇ 5 degrees Celsius; therefore, it is possible to thaw a thawed stuff (stuff to be thawed) 2 in the water 20 of an ice temperature.
  • a thermistor of a 0.25-degree-Celsius-difference control is used as a temperature sensor from a viewpoint of avoiding a chattering; however, when a bimetal whose detection error is approximately 4 degrees Celsius is used, it is requested to add ethanol to pure water by 20% in volume and to keep the thawing treatment water 20 not to freeze until ⁇ 10 degrees Celsius.
  • the thawing treatment tank lid 12 is provided with the floating prevention protrusion 13 protruding toward the thawing treatment tank 10 .
  • the mesh plates 15 are preferably provided also on the side faces of the protrusion 13 , respectively, in order to prevent the thawed stuff 2 floated up from being partially thawed.
  • the thawing start temperature of the thawed stuff 2 is approximately ⁇ 5 degrees Celsius
  • the temperature of the thawing treatment water 20 is made ⁇ 8 degrees Celsius
  • the underwater ultrasonic vibrators 11 give the stuff 2 a vibration energy having a heat generation energy equivalent to ⁇ 5 degrees Celsius.
  • a selection of its emission frequency is not limited, and the frequency may be widely selected. Furthermore, because a wavelength band of an underwater wave energy (vibration energy) is different from that of a magnetron microwave, the energy does not influence on the living organism of the thawed stuff 2 and does not also damage the freshness of the stuff 2 during frozen storage.
  • a separation and hold means shown in FIG. 1 is the mesh plates 15
  • the means is not limited thereto.
  • the mesh plates 15 When the mesh plates 15 are attached, it is possible to uniformly thaw whole of the thawed stuff 2 by making a distance between the underwater ultrasonic vibrators 11 and the plates 15 to be 20 mm.
  • an underwater rotation mesh basket 17 may be installed.
  • the underwater rotation mesh basket 17 where the thawed stuff 2 is thrown is rotated, it is possible to avoid a partial radiation of ultrasound.
  • a metal mesh conveyor 18 is provided, the thawed stuff 2 is thawed while it is moved, it is possible to avoid a partial exposure thereof to ultrasound.
  • the separation and hold means such as the mesh plates 15 , the underwater rotation mesh basket 17 , and the metal mesh conveyor 18 , it is possible to prevent the thawed stuff 2 thrown in the thawing treatment tank 10 from being partially exposed to ultrasound, and therefore, the stuff 2 is not partially thawed.
  • the underwater ultraviolet germicidal lamp 16 is installed in the thawing treatment water 20 , safety is further enhanced.
  • any one of an ozone sterilization device and the water 20 where chlorine is added is also available.
  • the rotation shaft of a generator 40 is connected to the drive shaft of each rotation drive motor by a belt and a pulley. Thus it is possible to suppress power consumption.
  • the freshness of the thawed stuff 2 is not degraded. Furthermore, a thawing time of the thawed stuff 2 may be shortened.
  • the thawed stuff 2 is not limited to a fresh fish and does not depend on kinds such as meats and fresh vegetables.
  • the nigiri sushi where shari, wasabi, and neta are put is packed in vacuum and rapidly frozen, the nigiri sushi is a frozen stuff; according to the present invention, the nigiri sushi may be thawed in 15 minutes, and it is possible to eat sushi hand-rolled in Japan in each country of the world.
  • the frozen stuff is eaten soon after it is thawed, it is possible to thaw the stuff in ten minutes if the temperature of the thawing treatment water 20 is made a room temperature or approximately 35 degrees Celsius.
  • a sashimi set may be distributed to each country of the world.
  • a material of the thawing treatment tank 10 is preferably stainless steel of any one of SUS (Special Use Steel) 304 and SUS 316, reinforced plastics is also available.
  • the present invention when used in home, it is also possible to configure not to install the temperature adjuster 30 in order to downsize the underwater ultrasonic thawing apparatus 1 of the invention; it is because even if the thawing treatment water 20 is in a state of a normal temperature, it is possible to thaw the thawed stuff 2 .

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
US12/114,263 2007-05-05 2008-05-02 Underwater ultrasonic thawing apparatus Abandoned US20080271730A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-146146 2007-05-05
JP2007146146A JP2008271944A (ja) 2007-05-05 2007-05-05 水中超音波解凍機

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US20080271730A1 true US20080271730A1 (en) 2008-11-06

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US (1) US20080271730A1 (ko)
JP (1) JP2008271944A (ko)
KR (1) KR20080098468A (ko)
CN (1) CN101297657A (ko)

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GB2458739A (en) * 2008-03-31 2009-10-07 Soniwave Ltd A method of ultrasonic treatment of a medium
US20110229615A1 (en) * 2008-11-21 2011-09-22 Calvex A/S Thawing of raw milk
EP2839753A1 (de) 2013-08-20 2015-02-25 Verein zur Förderung des Technologietransfers an der Hochschule Bremerhaven e.V. Verfahren und Vorrichtung zum Auftauen von Lebensmitteln, insbesondere Fisch, Fleisch, Geflügel und Früchten
ES2569416A1 (es) * 2014-11-03 2016-05-10 Asociación Nacional De Fabricantes De Conservas De Pescados Y Mariscos - Centro Técnico Nacional De Conservación De Productos De La Pesca Equipo de cocción para productos alimentarios
ES2570254A1 (es) * 2014-11-03 2016-05-17 Asoc Nac De Fabricantes De Conservas De Pescados Y Mariscos - Centro Tecnico Nac De Conservacion De Equipo de descongelación para productos alimentarios
US20170332675A1 (en) * 2013-07-07 2017-11-23 Unified Brands, Inc. Defrost apparatus and method thereof
CN108056358A (zh) * 2017-12-14 2018-05-22 张莲莲 一种冷冻食品加工用解冻装置
US10226154B2 (en) 2016-11-04 2019-03-12 Gary Richards Thawing rack
USD871705S1 (en) 2017-11-06 2019-12-31 Gary Richards Versatile sink rack
CN112924268A (zh) * 2021-03-08 2021-06-08 合肥中科智驰科技有限公司 一种适合速冻食品检测的自动解冻装置
IT201900024093A1 (it) * 2019-12-16 2021-06-16 Oro Koi S R L Procedimento, apparecchiatura e programma per elaboratore per decongelare alimenti congelati o surgelati.
WO2021124137A1 (en) * 2019-12-16 2021-06-24 Oro Koi S.R.L. Process, apparatus and computer program for defrosting frozen or deep-frozen foods
US20210259288A1 (en) * 2021-01-14 2021-08-26 Shanghai Ocean University Ultrasonic freezing equipment and freezing method using same
US20220192235A1 (en) * 2019-03-29 2022-06-23 Blanctec International Co., Ltd. Food freezing device, food freezing method and frozen food
IT202100000224A1 (it) * 2021-01-07 2022-07-07 Italynnova S R L Macchina e relativo procedimento per il trattamento di alimenti

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JP2010154839A (ja) * 2009-01-05 2010-07-15 Shinyo Industries Co Ltd 多機能性有機物低温加工処理装置。
KR101700093B1 (ko) 2014-09-23 2017-01-26 경북대학교 산학협력단 초음파를 이용한 해동장치
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CN107328165A (zh) * 2016-04-29 2017-11-07 松下电器研究开发(苏州)有限公司 处理装置及冰箱
CN108077395A (zh) * 2017-12-28 2018-05-29 烟台市喜旺食品有限公司 一种冻猪头快速解冻脱腥去淤血的方法
CN110393210A (zh) * 2019-06-03 2019-11-01 上海海洋大学 一种鱿鱼超声波流水解冻装置及解冻方法
CN111141102A (zh) * 2020-01-08 2020-05-12 珠海格力电器股份有限公司 解冻装置、解冻控制方法及冰箱
CN112167316A (zh) * 2020-10-11 2021-01-05 中建材智能自动化研究院有限公司 回转式解冻库智能回转系统
KR102539097B1 (ko) * 2021-06-07 2023-06-02 주식회사 코끼리금속 냉동고추 초음파 세척장치 및 이를 이용한 냉동고추 초음파 건조시스템

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