WO2021230155A1 - Congélateur et procédé pour la production d'un article congelé - Google Patents

Congélateur et procédé pour la production d'un article congelé Download PDF

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Publication number
WO2021230155A1
WO2021230155A1 PCT/JP2021/017527 JP2021017527W WO2021230155A1 WO 2021230155 A1 WO2021230155 A1 WO 2021230155A1 JP 2021017527 W JP2021017527 W JP 2021017527W WO 2021230155 A1 WO2021230155 A1 WO 2021230155A1
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WIPO (PCT)
Prior art keywords
freezer
weight
powder
cooling medium
container
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PCT/JP2021/017527
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English (en)
Japanese (ja)
Inventor
弘一 仁居
正彦 田中
Original Assignee
感動創出工場ジーンファクトリー株式会社
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Priority claimed from JP2020084570A external-priority patent/JP7437028B2/ja
Priority claimed from JP2021002421A external-priority patent/JP6854556B1/ja
Application filed by 感動創出工場ジーンファクトリー株式会社 filed Critical 感動創出工場ジーンファクトリー株式会社
Publication of WO2021230155A1 publication Critical patent/WO2021230155A1/fr

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D9/00—Devices not associated with refrigerating machinery and not covered by groups F25D1/00 - F25D7/00; Combinations of devices covered by two or more of the groups F25D1/00 - F25D7/00

Definitions

  • the present invention relates to a method for manufacturing a freezer and a frozen product, and more particularly to a method for manufacturing a freezer and a frozen product that freezes foods, cosmetics, medical articles, and the like.
  • the freezer has a brine-type freezer that freezes an object by immersing it in a liquid that has been cooled to below freezing point.
  • a brine composition has been proposed, characterized in that a mixture containing ethyl alcohol, water and propylene glycol is used as a brine for food (see, for example, Patent Document 1).
  • the present invention has been made in view of such a situation, and makes it possible to freeze an article faster at a lower temperature.
  • the freezer on the first aspect of the present invention is a cooling medium for immersing and freezing an article, and is a freezer in which a cooling medium used in a liquid state is stored in a container and cooled, and is supplied via an electric wire.
  • the oscillator which is electrically driven and vibrates the container in contact with the side in contact with the cooling medium of the container, and the oscillator and electric wires are stored so as to expose the part of the oscillator in contact with the container, in the longitudinal direction of the oscillator.
  • the cooling medium can contain an aqueous ethanol solution, a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 degrees Celsius or more and less than 500 degrees Celsius, and a water-soluble silicon compound.
  • the powder may be 0.5% by weight to 1.0% by weight with respect to the aqueous ethanol solution, and the water-soluble silicon compound may be 0.5% by weight to 1.0% by weight with respect to the aqueous ethanol solution. ..
  • the powder When the powder is dispersed in an aqueous ethanol solution, the powder can be kept in a suspended state for 24 hours or more in a stationary state.
  • the powder can have a representative value of 10 ⁇ m or less, which indicates the center of the particle size distribution.
  • the powder can contain 15% by weight to 19% by weight of potassium and 1% by weight to 3% by weight of phosphorus.
  • the powder can generate a zeta potential of minus 0.5 mV in a pH 7 solution.
  • the powder can be made by crushing a product obtained by thermally decomposing seeds, which are beans.
  • the ethanol aqueous solution can contain less than 60% by weight of ethanol.
  • the holding material When the holding material is filled, it can be hardened to become a rubber elastic body.
  • the holding material can be a silicone sealant.
  • the vibrator can be made to vibrate by the piezoelectric element.
  • the method for producing a frozen product according to the second aspect of the present invention is to mix a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 to 500 degrees Celsius with an aqueous ethanol solution, and water-soluble in the aqueous ethanol solution.
  • a sex silicon compound is mixed, an aqueous ethanol solution containing a powder and a silicon compound is placed in a cooling container and cooled to a temperature lower than 0 ° C. in a liquid state, the article is placed in a sealed container, and the cooling container is vibrated. Then, the article placed in the sealed container is immersed in a cooled aqueous ethanol solution placed in a vibrating cooling container to freeze it.
  • the article can be frozen faster at a lower temperature.
  • FIG. 1 is a diagram illustrating the appearance of the freezer according to the embodiment of the present invention.
  • the freezer 1 is an example of a freezer, and is an integrated freezer having a substantially rectangular parallelepiped outer shape.
  • the freezer 1 incorporates a compressor, a condenser, an expansion valve, an evaporator, and the like, and a cooler is embedded in the inner wall of the freezer chamber, which will be described later, to cool the freezer chamber to a temperature lower than zero degrees Celsius.
  • the freezer 1 has a built-in compressor, condenser, expansion valve, evaporator, etc., and can be opened and closed freely with respect to the main body 11 having a freezing chamber inside and the main body 11 via a hinge (not shown). It includes a door 12 provided and a temperature controller 13 for adjusting the temperature in the freezing chamber. Further, the freezer 1 is provided with a vibration exciting unit 36. The details of the vibration section 36 will be described later.
  • the direction connecting the upper right and the lower left in FIG. 1 is the X-axis direction.
  • the direction connecting the lower right and the upper left in FIG. 1 indicates the Y-axis direction
  • the vertical direction in FIG. 1 indicates the Z-axis direction.
  • the lower left side in FIG. 1 is simply referred to as a left side
  • the upper right side in FIG. 1 is simply referred to as a right side.
  • the upper left side in FIG. 1 is simply referred to as a rear side.
  • the upper side in FIG. 1 is simply referred to as an upper side
  • the lower side in FIG. 1 is simply referred to as a lower side.
  • the upper right side is the positive direction of the X axis
  • the upper left side is the positive direction of the Y axis
  • the upper side is the positive direction of the Z axis.
  • the Z-axis direction is also simply referred to as a vertical direction
  • the direction along the plane parallel to the X-axis and the Y-axis is also simply referred to as a horizontal direction or a horizontal direction.
  • the downward direction is the direction in which gravity is applied. The same applies to FIG.
  • FIG. 2 is a cross-sectional view of the freezer 1 which is a plane defined by the X-axis and the Z-axis and shows a cross section in a plane along the position indicated by the A-A'line in FIG.
  • a freezing chamber 31 which is a space for cooling
  • the cooler 32 is made of a material having high heat transfer properties such as a steel plate such as stainless steel or a galvanized steel plate or a copper plate, and having excellent corrosion resistance to ethanol.
  • the cooler 32 is also formed as a container.
  • the cooler 32 is an example of a container or a cooling container.
  • a liquid cooling medium 37 is stored in the cooler 32.
  • the cooler 32 is formed in a tank shape.
  • a heat exchanger connected to a condensing unit 33 including a compressor, a condenser, an expansion valve, etc. by a pipe is provided on the surface of the cooler 32 facing the surface on the freezing chamber 31 side. There is.
  • the heat exchanger absorbs heat from the cooler 32, and the condenser of the condensing unit 33 exhausts heat. As a result, the freezing chamber 31 is cooled.
  • the outside of the cooler 32 is covered with a heat insulating material 34 made of polyurethane foam resin, a vacuum panel, or the like. Further, the door 12 is filled with a heat insulating material 35 made of a foamed polyurethane resin, a vacuum panel, or the like. That is, the entire freezing chamber 31 is surrounded by the heat insulating material 34 and the heat insulating material 35.
  • the cooler 32 is not limited in shape as long as it can store the liquid cooling medium 37 as a container, and may be in the shape of a hemispherical ball or may be further provided with a lid.
  • the vibrating unit 36 generates physical vibration by electricity, and applies physical vibration to the cooler 32.
  • the vibrating unit 36 generates physical vibration when a commercial power supply supplied from the outside or supplied from the condensin unit 33, that is, an AC power supply having a voltage such as 100V or 200V is supplied. ..
  • the vibration section 36 includes a vibration section 51, an electric wire 52, and a timer 53.
  • the vibrating portion 51 is provided in the freezing chamber 31, that is, inside the cooler 32 which is a container, in other words, on the side where the cooling medium 37 of the cooler 32 is stored.
  • a DC power supply having a predetermined voltage is supplied from the timer 53 via the electric wire 52, the vibrating unit 51 generates physical vibration and applies the physical vibration to the cooler 32.
  • the cooling medium 37 is vibrated by the physical vibration applied to the cooler 32.
  • the vibrating portion 51 is formed in a columnar shape.
  • the vibrating portion 51 is provided at a corner portion in the vertical direction of the cooler 32 along the side surface (vertical surface) of the cooler 32.
  • the side surface of the vibrating portion 51 is fastened to the side surface (vertical surface) of the cooler 32 by screwing, an adhesive, a clip, or the like.
  • the bottom surface of the vibrating portion 51 is in contact with the bottom surface of the cooler 32. That is, the bottom surface of the vibrating portion 51 is in contact with the side of the cooler 32 in contact with the cooling medium 37.
  • the electric wire 52 is a two-core insulated electric wire, for example, a cable in which an insulated electric wire such as a sheath cable or a cabtire cable is further covered with a protective coating.
  • the electric wire 52 connects the timer 53 provided on the outer side surface of the freezer 1 and the vibrating portion 51 provided in the freezing chamber 31.
  • the electric wire 52 is passed between the main body 11 and the door 12.
  • the electric wire 52 supplies the DC power supply to the vibration unit 51.
  • the timer 53 is connected to a plug receiver (so-called outlet) of a wiring plug connector for supplying external commercial power via an electric wire and a plug, or is provided in the condensin unit 33. It is connected to the plug holder (so-called outlet). That is, for example, the timer 53 is supplied with a commercial power supply that is an AC power supply having a voltage such as 100V or 200V.
  • the timer 53 is a rectifier that converts a commercial AC voltage power supply into a DC voltage power supply, an electronic off-timer that shuts off the power supply after a predetermined time elapses, and a vibration unit 51 to start supplying power to the vibration unit 51. Includes switch 54 of.
  • the switch 54 is a switch, and is composed of a push button switch, a membrane switch, a toggle switch, and the like.
  • the timer 53 converts a commercial AC voltage power supply into a DC voltage power supply, and supplies a DC voltage power supply to the vibrating unit 51 via the electric wire 52. do.
  • the timer 53 measures the time electronically elapsed from the time when the switch 54 is operated, and cuts off the power supplied to the vibrating unit 51 when a predetermined time elapses after the switch 54 is operated. That is, the timer 53 supplies electricity to the vibrating unit 51 via the electric wire 52 for a predetermined time.
  • FIGS. 3A to 3D are views showing an example of the configuration of the vibrating portion 51.
  • 3A, 3B and 3C are a front view, a top view and a bottom view of the vibrating portion 51, respectively.
  • FIG. 3D is a cross-sectional view of the vibrating portion 51 showing a cross section in a plane along the position indicated by the line B-B'in FIG. 3B.
  • 3B and 3C show the configurations of the oscillator 71, the cylinder 72, and the electric wire 52, excluding the holding material 73 described later.
  • the vibrating portion 51 includes an oscillator 71, a cylinder 72, and a holding material 73.
  • the oscillator 71 is driven by electricity supplied via the electric wire 52 and comes into contact with the side of the cooler 32 in contact with the cooling medium 37 to physically vibrate the cooler 32.
  • the vibrator 71 physically vibrates due to the piezoelectric element.
  • the vibrator 71 is a disc-shaped piezoelectric element, and is a piezoelectric element that vibrates in the thickness direction when a voltage is applied to both sides of a circle. It is composed of sandwiched between.
  • the oscillator 71 vibrates in a direction of pressing the bottom surface of the cooler 32.
  • the vibrator 71 vibrates at a frequency of 50 KHz.
  • the core which is the conductor of the electric wire 52, which is a two-core insulated electric wire, is connected to the electrodes leading to both sides of the piezoelectric element of the vibrator 71, respectively.
  • the cooling medium 37 vibrates.
  • the cylinder 72 is a material that is not easily attacked by an aqueous ethanol solution and has a predetermined rigidity, and is formed in a hollow cylinder shape with open ends on both sides.
  • the cylinder 72 stores the oscillator 71 and the electric wire 52 so as to expose the portion of the oscillator 71 in contact with the cooler 32.
  • the cylinder 72 has a constant diameter, a constant thickness, and a side surface formed in a linear cylindrical shape in the Z-axis direction.
  • the cylinder 72 is made of a steel such as stainless steel or galvanized steel, or a metal such as a nickel alloy, a tin alloy, a copper alloy, or a titanium alloy.
  • the cylinder 72 is coated to prevent corrosion due to an aqueous ethanol solution.
  • the length of the cylinder 72 is shorter than the depth of the cooler 32, that is, the length in the Z-axis direction on the side where the cooling medium 37 of the cooler 32 is stored, in order to accommodate the cylinder 72 in the freezing chamber 31.
  • the length of the cylinder 72 is made longer than the length in the longitudinal direction (Z-axis direction) of the oscillator 71 in order to accommodate the oscillator 71. More preferably, the length of the cylinder 72 is longer than the depth of the cooling medium 37 stored in the cooler 32.
  • Plates 81-1-1, 81-1-2, 81-2-1 and 81-2-2 are fixed to the outer side surface of the cylinder 72.
  • the plates 81-1-1, 81-1-2, 81-2-1 and 81-2-2 are each formed in a plate shape.
  • the plates 81-1-1 and 81-1-2 are fixed to the upper side of the outer side surface of the cylinder 72 at a right angle of 90 degrees to each other.
  • the plates 81-2-1 and 81-2-2 are fixed to the lower side of the outer side surface of the cylinder 72 at an angle of 90 degrees to each other.
  • the cylinder 72 is fastened to the vertical surface of the cooler 32 by plates 81-1-1, 81-1-2, 81-2-1 and 81-2-2 with screws, adhesives, clips, or the like. ..
  • the holding material 73 is made of a rubber elastic body material and is filled inside the cylinder 72.
  • the holding material 73 is filled inside the cylinder 72 from one end to the other end of the cylinder 72.
  • the holding material 73 holds the oscillator 71 and the electric wire 52 in the cylinder 72.
  • the holding material 73 holds the vibrator 71 inside the cylinder 72 so that the vibrator 71 and the inner surface of the cylinder 72 do not come into contact with each other.
  • the holding material 73 holds the electric wire 52 inside the cylinder 72 so that the electric wire 52 and the inner surface of the cylinder 72 do not come into contact with each other.
  • the holding material 73 seals the electric wire 52 inside the cylinder 72 so that the electric wire 52 and the cooling medium 37 do not come into contact with each other.
  • the holding material 73 is filled inside the cylinder 72, and the electric wire 52 is sealed inside the cylinder 72 so as not to come into contact with the cooling medium 37, and the vibrator 71 and the vibrator 71 are sealed so as not to come into contact with the inner surface of the cylinder 72. Holds the electric wire 52.
  • the holding material 73 has a relatively high viscosity before filling, and is made of a material that hardens to become a rubber elastic body when filled inside the cylinder 72.
  • the holding material 73 is a silicone sealant.
  • the holding material 73 can be a modified silicone sealant or a urethane sealant.
  • the holding material 73 is also referred to as a filler, a sealing material, a sealant, a sealing material, a caulking material, or the like.
  • the holding material 73 Since the holding material 73 has elasticity and holds the vibrator 71 and the electric wire 52 so as not to come into contact with the inner surface of the cylinder 72, the vibration of the vibrator 71 is not hindered, the vibration of the vibrator 71 is hard to be damped, and the vibration The vibration of the child 71 is efficiently transmitted by the cooler 32. Further, since the holding material 73 seals the electric wire 52 inside the cylinder 72 so that the electric wire 52 does not come into contact with the cooling medium 37, the deterioration of the electric wire 52 due to the contact with the cooling medium 37 containing ethanol, as described later, is more accurate. It is possible to prevent deterioration of the coating of the electric wire 52.
  • the cylinder 72 may meet in the shape of a square cylinder such as a square or a hexagon, and may have a different diameter depending on the part, a different thickness depending on the part, or may be bent.
  • the ends on both sides of the cylinder 72 may have a smaller diameter than the central portion of the cylinder 72, and the thickness of the ends on both sides of the cylinder 72 may be reduced. It may be made thicker than the thickness of the central portion of the.
  • either one of the end portions on both sides of the cylinder 72 may be formed in an inner flange shape or an outer flange shape.
  • the vibrating portion 51 may be arranged diagonally with respect to the cooler 32. That is, the vibrating portion 51 may be arranged so that the longitudinal direction of the vibrating portion 51 intersects the bottom surface of the cooler 32.
  • the freezer 1 is not limited to the integrated freezer, and may be any one that can be cooled to a desired temperature, and may be composed of a stationary freezer unit, a condensining unit, and a separate showcase or a freezer warehouse. It may be a vertical or horizontal industrial freezer. Further, the freezer 1 may be of any cooling method, and has a reciprocating type (reciprocal type) or a rotary capacity compression type, a centrifugal type (turbo type), an absorption type, a turbo type using an air refrigeration cycle, and a Pelche effect. It can be the electronic refrigerator or magnetic refrigerator used.
  • the cooling medium 37 is stored in a cooler 32 in the freezer 1 and cooled, and is used in a liquid state for freezing the article by immersing the article.
  • the cooling medium 37 contains an aqueous ethanol solution, a powder obtained by crushing a product obtained by thermally decomposing plant seeds, and a water-soluble silicon compound.
  • the ethanol aqueous solution is a mixture of ethanol (ethyl alcohol) and water in a predetermined ratio. Ethanol can dissolve various organic substances and is relatively less toxic among monohydric alcohols. In addition, ethanol can be miscible with water in any proportion. In the aqueous ethanol solution, the concentration of ethanol can be any value, for example, 10% by weight to 90% by weight.
  • the freezing point of the aqueous ethanol solution alone is -45.4 degrees Celsius.
  • the powder mixed with the aqueous ethanol solution is made by crushing the product of pyrolysis of plant seeds.
  • plant seeds are legumes such as adzuki beans, soybeans, peas, chickpeas or peanut seeds.
  • Plant seeds are pyrolyzed in a semi-enclosed electric furnace at a temperature of 400 degrees Celsius or more and less than 500 degrees Celsius.
  • the product obtained by thermally decomposing plant seeds is pulverized by a pulverizer such as a ball mill into a powder having a representative value of 10 ⁇ m or less, which indicates the center of particle size distribution.
  • semi-sealed means a state in which the oxygen partial pressure is reduced compared to the atmospheric atmosphere.
  • semi-sealing refers to a state in which the firing space and the outside are communicated with each other through gaps or small holes so that replacement of the atmosphere inside the firing space with the outside air is suppressed, as in a charcoal kiln.
  • the seeds of the plant are heated and thermally decomposed in a state where oxidation or combustion is suppressed.
  • a product obtained by thermally decomposing the plant seeds can be obtained.
  • Bincho charcoal has a hardness comparable to that of metal because it is fired at a high temperature of about 1,000 degrees Celsius.
  • a product obtained by thermally decomposing plant seeds at a temperature of 400 degrees Celsius or more and less than 500 degrees Celsius is placed in a ball mill pot together with alumina balls and crushed by rotating the ball mill pot.
  • the powder obtained by grinding is sieved by a predetermined mesh.
  • FIG. 4 is a diagram showing a powder having a particle size of about 5 ⁇ m, taken at 10,000 times using a scanning electron microscope. It can be seen that the outer shape of the powder has no corners and is easily crushed. Further, the powder does not have fine pores.
  • FIG. 5 is a diagram showing an example of the result of component analysis of powder.
  • the ratio of the elements contained in the powder shown in FIG. 5 was determined by CHN elemental analysis (Elemental Analysis (Carbon, Hydrogen, Nitrogen)) and fluorescent X-ray analysis.
  • the powder obtained by crushing the product obtained by thermally decomposing the seeds of a plant, which is a small bean contains 66.5% by weight of carbon, 17.1% by weight of potassium, and 6.1% by weight.
  • Nitrogen 4.2% by weight hydrogen, 2.78% by weight phosphorus, 1.4% by weight calcium, 0.8% by weight magnesium, 0.5% by weight sulfur, 0.26% by weight It contains iron, 0.07% by weight zinc, 0.05% by weight manganese, 0.03% by weight silicon, 0.02% by weight aluminum and 0.01% by weight copper.
  • the product of pyrolyzing plant seeds at a temperature of 400 degrees Celsius or more and less than 500 degrees Celsius contains potassium and phosphorus, which results in hydrophilicity.
  • potassium is an alkali metal.
  • magnesium is contained in the product obtained by thermally decomposing plant seeds at a temperature of 400 degrees Celsius or more and less than 500 degrees Celsius. Magnesium produces alkaline water.
  • the product obtained by thermally decomposing beans can be pulverized relatively easily, and a powder having a value at the center of the particle size distribution of 10 ⁇ m or less can be easily obtained.
  • the powder obtained by grinding the product of pyrolysis of plant seeds produces a zeta potential of minus 0.5 mV in a solution at pH 7. Therefore, the powder obtained by crushing the product obtained by thermally decomposing the seeds of a plant causes a unique chemical reaction such as binding to a substance having a positive potential such as a protein. Further, the powder obtained by crushing the product obtained by thermally decomposing the seeds of a plant generates a zeta potential of minus 0.5 mV in a solution of pH 7, so that they repel each other and easily disperse.
  • the particle size distribution of the powder obtained by pyrolyzing the seeds of a plant, which is a small bean, at a temperature of 400 degrees Celsius or more and less than 500 degrees Celsius by crushing it with a crusher such as a ball mill was measured.
  • the particle size distribution of the powder was measured by using a laser diffraction type particle size distribution measuring device that irradiates the particle group with laser light and obtains the particle size distribution by calculation from the intensity distribution pattern of the diffraction / scattered light emitted from the particle group. ..
  • the measurement range of the laser diffraction type particle size distribution measuring device is from 0.05 ⁇ m to 3,000 ⁇ m. The number of measurements is four.
  • FIG. 6 is a diagram showing the particle size distribution of the powder measured by the volume relative particle size distribution and the number relative particle size distribution.
  • the horizontal axis of FIG. 6 indicates the particle size ( ⁇ m) in a logarithm, and the vertical axis indicates the relative particle amount (%).
  • the average particle size (average value) is 7.4 ⁇ m, and the mode is 8.5 ⁇ m.
  • the median is 8.491 ⁇ m.
  • the average deviation is 0.373.
  • the average value, mode value, and median value are examples of representative values indicating the center of the particle size distribution, respectively.
  • the powder obtained by crushing the product obtained by thermally decomposing the seeds of the plant is crushed until the representative value indicating the center of the particle size distribution becomes 10 ⁇ m or less.
  • FIG. 7 is a diagram showing a state when a powder obtained by crushing a product obtained by thermally decomposing plant seeds is mixed with an aqueous ethanol solution.
  • the powder obtained by crushing the product obtained by thermally decomposing plant seeds has high wettability and quickly precipitates in an aqueous ethanol solution.
  • FIG. 8 is a diagram showing a state of an ethanol aqueous solution mixed with powder when 24 hours have passed in a stationary state.
  • the left side in FIG. 8 shows a state in which a powder obtained by crushing a product obtained by thermally decomposing plant seeds is dispersed in an aqueous ethanol solution and left standing for 24 hours.
  • the right side in FIG. 8 shows a state in which a powder made by crushing general charcoal is dispersed in an aqueous ethanol solution and left standing for 24 hours.
  • the water-soluble silicon compound contained in the cooling medium 37 is a slightly thick and transparent liquid.
  • the water-soluble silicon compound is a silicate.
  • a water-soluble silicon compound is produced by the following procedure.
  • High-purity silicon ore is calcined and gasified at a high temperature of about 1,600 degrees Celsius, and the gasified silicon component is recovered.
  • the recovered silicon becomes fine bead-shaped crystals.
  • the silicon crystals are heat-melted with a strong alkali or strong acid and liquefied.
  • an alkali e.g., sodium carbonate or sodium hydroxide
  • Sodium metasilicate is also known as the main component of hot springs. Since sodium metasilicate is a salt, it is solubilized. Liquefied hydrophilic silicon compounds are also soluble in water.
  • silicates including potassium silicate, calcium silicate or magnesium silicate
  • Silicates in detergents and soaps disperse dirt particles and prevent reattachment to clothing. It is widely known that silicate floats evenly in a liquid and moves.
  • Silica (SiO 2 ) is often used as an ion exchange substance, and hydrophilic silicon compounds also have electrical properties. Motility in a solution of a hydrophilic silicon compound is also evoked by electrical stimulation.
  • an inorganic silicon compound is preferable because its electrical characteristics are clear.
  • cooling medium 37 0.5% by weight to 1.0% by weight of a water-soluble silicon compound is mixed with the aqueous ethanol solution.
  • 0.5% by weight to 1.0% by weight of silicate is mixed with the aqueous ethanol solution.
  • the water-soluble silicon compound contained in the cooling medium 37 disperses a powder obtained by crushing a product obtained by thermally decomposing plant seeds in an aqueous ethanol solution. Thereby, the water-soluble silicon compound suppresses the freezing of the cooling medium 37.
  • the freezing point of an aqueous ethanol solution having an ethanol concentration of 60% by weight is -45.4 degrees Celsius.
  • it is a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 degrees Celsius or more and less than 500 degrees Celsius in an aqueous ethanol solution having an ethanol concentration of 60% by weight, and is 0.5 with respect to the aqueous ethanol solution.
  • 0.5% by weight to 1.0% by weight of powder is mixed with 0.5% by weight to 1.0% by weight of a water-soluble silicon compound with respect to an aqueous ethanol solution, the liquid phase is maintained at -60 degrees Celsius.
  • the hydrophilic powder is dispersed in the ethanol aqueous solution by applying physical vibration by the vibrator 71 of the vibrating portion 36. Further, the cooling medium 37 vibrates to generate a flow. As a result, freezing of the cooling medium 37 is suppressed. Compared with the case of the ethanol aqueous solution alone, it does not solidify to a lower temperature and can be used at a lower temperature. This allows the article to be frozen faster.
  • FIG. 9 is a flowchart showing a procedure for manufacturing a frozen product.
  • the goods to be frozen may be tangible items other than real estate.
  • the goods to be frozen can be of biological origin in plants or animals.
  • the goods to be frozen can be food, cosmetics or medical products.
  • cosmetics can contain placenta (a component extracted from the placenta), collagen or amino acids.
  • medical products are medicines or medical devices obtained by processing cells such as human stem cells, organs, teeth, blood, cells or tissues, or biological products.
  • an aqueous ethanol solution is placed in a container.
  • the concentration of ethanol in the aqueous ethanol solution can be arbitrary.
  • the concentration of ethanol in the aqueous ethanol solution can be less than 60% by weight.
  • the concentration of ethanol in the aqueous ethanol solution can be any of 10% by weight to 90% by weight.
  • the concentration of ethanol in the aqueous ethanol solution is as high as 60% by weight or more, and when cooling to a temperature higher than -60 degrees Celsius, the concentration of ethanol in the aqueous ethanol solution is It is lower, less than 60% by weight.
  • step S12 the powder produced by thermally decomposing the seeds at 400 to 500 degrees Celsius and pulverizing the seeds is mixed with the ethanol aqueous solution contained in the container.
  • the powder for example, it is a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 to 500 degrees Celsius in an aqueous ethanol solution, and is 0.5% by weight to 1.0 with respect to the aqueous ethanol solution. By weight% of the powder is mixed.
  • step S13 the water-soluble silicon compound is mixed with the ethanol aqueous solution contained in the container.
  • 0.5% by weight to 1.0% by weight of a water-soluble silicon compound is mixed with the aqueous ethanol solution.
  • step S14 an aqueous ethanol solution in which powder and a water-soluble silicon compound are mixed is placed in a cooler 32 in the freezer chamber 31 of the freezer 1.
  • step S15 the freezer 1 cools the aqueous ethanol solution in which the powder and the water-soluble silicon compound are mixed to a temperature lower than zero degrees Celsius.
  • a temperature lower than zero degrees Celsius For example, when the concentration of ethanol in the aqueous ethanol solution is 60% by weight, the freezer 1 cools the aqueous ethanol solution in which the powder and the water-soluble silicon compound are mixed to -60 degrees Celsius.
  • step S16 put the article to be frozen in a sealed container.
  • the article to be frozen is a food, cosmetic or medical article, it is a container formed of a plastic film or a metal foil or a multi-layered product thereof into a bag shape or other shape, and is heat-melted.
  • the article to be frozen is put in a sealed container (so-called pouch container) which is a container sealed by.
  • the sealed container is a container made of resin, metal, glass, or a combination thereof, which can be sealed so that the article to be frozen does not come into direct contact with the aqueous ethanol solution, and can withstand cooling to the temperature of the freezer chamber 31 of the freezer 1. It should be.
  • the article to be frozen may be in the form of a solid, a liquid, a sol or a gel.
  • step S17 the vibrating unit 36 vibrates the cooler 32, which is a cooling container.
  • step S18 the article placed in the sealed container is immersed in a cooled ethanol aqueous solution containing a powder and a water-soluble silicon compound placed in a vibrating cooler 32 to freeze.
  • step S19 the timer 53 determines whether or not a predetermined time has elapsed. For example, in step S19, the timer 53 vibrates the cooler 32 to determine whether or not 10 minutes have passed. If it is determined in step S19 that the predetermined time has not elapsed, the procedure returns to step S19, and the determination process is repeated.
  • step S19 If it is determined in step S19 that the predetermined time has elapsed, the procedure proceeds to step S20, the vibration to the cooler 32 is stopped by shutting off the power supply of the timer 53, and the procedure for manufacturing the frozen product is as follows. finish.
  • the inventor experimentally compared the freezing time when there was no physical vibration to the cooler 32 and the freezing time when there was physical vibration to the cooler 32 due to various foodstuffs.
  • the temperature of the cooling medium 37 was -60 degrees Celsius.
  • Beef shoulder loin block meat, yellowtail fillet or chicken thigh meat were used as ingredients to be frozen.
  • the temperature was measured by puncturing and fixing a temperature sensor to the center of the foodstuff, which is either beef shoulder loin block meat, yellowtail fillet or chicken thigh meat.
  • FIG. 10 is a diagram showing changes in the center temperature with respect to the elapsed time from the start of freezing when freezing beef shoulder loin block meat.
  • the weight of the beef shoulder loin block meat used for measuring the freezing time in the absence of physical vibration to the cooler 32 was 201 g.
  • the weight of the beef shoulder loin block meat used for measuring the freezing time when there was physical vibration to the cooler 32 was 204 g.
  • the horizontal axis shows the elapsed time since the beef shoulder loin block meat was immersed in the cooling medium 37.
  • the vertical axis indicates the temperature at the center of the beef shoulder loin block meat.
  • the dotted line shows the temperature of the center of the beef shoulder loin block meat with respect to the elapsed time from the immersion of the beef shoulder loin block meat in the cooling medium 37 when there is no physical vibration to the cooler 32.
  • the solid line shows the temperature of the center of the beef shoulder loin block meat with respect to the elapsed time from the immersion of the beef shoulder loin block meat in the cooling medium 37 when there is physical vibration to the cooler 32.
  • the temperature at the center of the beef shoulder loin block meat when immersed in the cooling medium 37 was +13 degrees Celsius.
  • the temperature of the center of the beef shoulder loin block meat drops to +1 degree Celsius and is immersed in the cooling medium 37 when 6 minutes have passed since it was immersed in the cooling medium 37. After 7.5 minutes, the temperature at the center of the beef shoulder loin block meat dropped to -1 degree Celsius. In addition, when there is physical vibration to the cooler 32, the temperature of the center of the beef shoulder loin block meat reaches -8 degrees Celsius and is cooled when 10 minutes have passed since it was immersed in the cooling medium 37. After 14 minutes of immersion in the medium 37, the temperature at the center of the beef shoulder loin block meat reached -20 degrees Celsius. In the presence of physical vibrations to the cooler 32, it took 19 minutes after soaking in the cooling medium 37 for the temperature at the center of the beef shoulder loin block meat to reach -41 degrees Celsius.
  • FIG. 11 is a diagram showing changes in the center temperature with respect to the elapsed time from the start of freezing when freezing yellowtail fillets.
  • the weight of the yellowtail fillet used for measuring the freezing time in the absence of physical vibration to the cooler 32 was 126 g.
  • the weight of the yellowtail fillet used for measuring the freezing time when there was physical vibration to the cooler 32 was 128 g.
  • the horizontal axis indicates the elapsed time since the yellowtail fillet was immersed in the cooling medium 37.
  • the vertical axis indicates the temperature at the center of the yellowtail fillet.
  • the dotted line shows the temperature of the center of the yellowtail fillet with respect to the elapsed time from immersing the yellowtail fillet in the cooling medium 37 when there is no physical vibration to the cooler 32.
  • the solid line shows the temperature of the center of the yellowtail fillet with respect to the elapsed time from the immersion of the yellowtail fillet in the cooling medium 37 when there is physical vibration to the cooler 32.
  • the temperature at the center of the yellowtail fillet when immersed in the cooling medium 37 was +21 degrees Celsius.
  • the temperature at the center of the yellowtail fillet will drop to -1 degree Celsius after 3 minutes of immersion in the cooling medium 37, and then immersed in the cooling medium 37. After 4 minutes, the temperature at the center of the yellowtail fillet reached -8 degrees Celsius. In addition, when there is physical vibration to the cooler 32, the temperature at the center of the yellowtail fillet drops to -20 degrees Celsius and is immersed in the cooling medium 37 when 6 minutes have passed since it was immersed in the cooling medium 37. After 11 minutes, the temperature at the center of the yellowtail fillet reached -40 degrees Celsius.
  • FIG. 12 is a diagram showing changes in the core temperature with respect to the elapsed time from the start of freezing when freezing chicken thighs.
  • the weight of the chicken thigh used for measuring the freezing time in the absence of physical vibration to the cooler 32 was 319 g.
  • the weight of chicken thigh used for measuring the freezing time when there was physical vibration to the cooler 32 was 326 g.
  • the horizontal axis shows the elapsed time since the chicken thigh was immersed in the cooling medium 37.
  • the vertical axis indicates the temperature at the center of the chicken thigh.
  • the dotted line indicates the temperature of the center of the chicken thigh with respect to the elapsed time from the immersion of the chicken thigh in the cooling medium 37 when there is no physical vibration to the cooler 32.
  • the solid line shows the temperature of the center of the chicken thigh with respect to the elapsed time from immersing the chicken thigh in the cooling medium 37 in the presence of physical vibration to the cooler 32.
  • the temperature at the center of the chicken thigh when immersed in the cooling medium 37 was +25 degrees Celsius.
  • the temperature at the center of the chicken thigh will drop to -3 degrees Celsius when 3 minutes have passed since it was soaked in the rejection medium 37, and then soaked in the cooling medium 37. After 5 minutes, the temperature at the center of the chicken thigh reached -8 degrees Celsius. Also, if there is physical vibration to the cooler 32, the temperature at the center of the chicken thigh will drop to -19 degrees Celsius and soak in the cooling medium 37 when 12 minutes have passed since it was immersed in the cooling medium 37. After 18 minutes, the temperature at the center of the chicken thigh reached -40 degrees Celsius.
  • the powder and the water-soluble silicon compound contained in the cooling medium 37 induce motion by vibration, generate a zeta potential of minus 0.5 mV, and generate a weak current. There is also a report that cell destruction during freezing is suppressed under a weak current.
  • a temperature difference of about 1 degree to 3 degrees Celsius occurs due to the opening and closing of the door 12 between the vicinity of the liquid level of the cooling medium 37 stored in the cooler 32 and the vicinity of the bottom of the cooler 32.
  • the cooling medium 37 is agitated, so that the temperature difference becomes small and the temperature of the cooling medium 37 stored in the cooler 32 becomes more uniform.
  • the oscillator 71 since the oscillator 71 generates heat when it is operated, the cooling medium 37 will be heated if it is continuously operated. As described with reference to FIGS. 10 to 12, it is more effective to operate the oscillator 71 for a predetermined time after immersing the article to be frozen in the cooling medium 37, for example, using a timer 53. It is preferable to operate the oscillator 71 for 10 minutes after immersing the article to be frozen in the cooling medium 37.
  • the raw mackerel frozen in the freezer 1 and the raw mackerel frozen in the general household freezer were placed in separate nylon sealed containers, degassed (vacuumized), and then frozen. ..
  • Each raw mackerel was thawed with running tap water, which is a general thawing method, and then the weight of the drip leached from both samples and stored in the sealed container was measured and compared.
  • the internal temperature of both samples was measured using a temperature sensor, and the time until the temperature reached +1 degree Celsius, that is, the time until the thawing was completed was measured.
  • the raw mackerel frozen in the freezer 1 had a body length of 375 mm and a weight of 612.69 g.
  • the internal temperature at the start of thawing was -56 degrees Celsius.
  • the raw mackerel frozen in a general household freezer had a body length of 405 mm and a weight of 680.94 g.
  • the internal temperature at the start of thawing was -14 degrees Celsius.
  • FIG. 13 is a diagram showing a drip when raw mackerel frozen in a general household freezer is thawed.
  • the amount of drip flowing into the sealed container was 56.03 g.
  • the ratio of the weight of the drip to the weight of the raw mackerel frozen in the general household freezer is 8.22%.
  • the time from the start of thawing to +1 degree Celsius was 16 minutes and 42 seconds.
  • FIG. 14 is a diagram showing a drip when raw mackerel frozen in the freezer 1 is thawed.
  • the amount of drip flowing into the sealed container was 6.95 g.
  • the ratio of the weight of the drip to the weight of the raw mackerel frozen in the freezer 1 is 1.13%.
  • the time from the start of thawing to +1 degree Celsius was 17 minutes 55 seconds.
  • the raw mackerel frozen in the freezer 1 has less drip when thawed.
  • the internal temperature of the raw mackerel frozen in the freezer 1 was -56 degrees Celsius, and the internal temperature of the raw mackerel frozen in the general household freezer was -14 degrees Celsius, which was a difference of 42 degrees Celsius.
  • the time it took for the internal temperature to reach +1 degree Celsius and thawing was completed was only 73 seconds.
  • frozen products can be manufactured.
  • an aqueous ethanol solution By immersing in an aqueous ethanol solution, more heat is taken away in a shorter time, so that a frozen product can be produced faster.
  • the ethanol aqueous solution in which the powder and the water-soluble silicon compound are mixed does not solidify to a lower temperature as compared with the case of the ethanol aqueous solution alone, a frozen product can be produced even faster.
  • the ethanol aqueous solution in which the powder and the water-soluble silicon compound are mixed does not solidify to a lower temperature than the case of the ethanol aqueous solution alone, the deterioration of the frozen product can be further reduced, and more. It will be possible to store it for a long period of time.
  • aqueous ethanol solution with an ethanol concentration close to 60% by weight and less than 60% by weight of a non-dangerous substance is used, it is a non-dangerous substance and does not aggregate at -60 degrees Celsius, so it can be sterilized more safely. can.
  • the vibrator 71 vibrates at a frequency of 50 KHz
  • the oscillator 71 may be vibrated at a frequency of 20 KHz to 3 MHz even in the audible region.
  • the vibrator 71 vibrates by the piezoelectric element
  • the vibrator 71 is not limited to this, and other methods such as an eccentric vibration motor and a linear vibrator may be used.
  • the vibrator 71 applies vibration in the vertical direction (vertical direction)
  • the vibrator 71 is not limited to this, and may be one that applies vibration in the horizontal direction.
  • the vibrating portion 36 may apply vibration to the side surface of the cooler 32.
  • the shape of the vibrator 71 is not limited to a columnar shape, and may be any shape such as a prismatic shape, a conical shape, a pyramidal shape, or a flange formed.
  • the timer 53 includes an electronic off timer
  • the timer 53 is not limited to this, and may be a dial type timer that is mechanically rotated as long as the elapsed time can be timed. Further, the timer 53 may be able to be selected or set to shut off the power supplied to the vibrating unit 51 at a desired time.
  • a fixed or removable container for storing the cooling medium 37 may be provided in the cooler 32.
  • the vibrating unit 36 may apply physical vibration to the cooler 32 or may apply physical vibration to the container for storing the cooling medium 37 in the cooler 32.
  • the freezer 1 is a cooling medium 37 for immersing and freezing an article, and the cooling medium 37 used in a liquid state is stored in a cooler 32 which is a container and cooled.
  • the oscillator 71 is driven by electricity supplied via the electric wire 52, and vibrates the cooler 32 in contact with the side of the cooler 32 in contact with the cooling medium 37.
  • the cylinder 72 houses the oscillator 71 and the electric wire 52 so as to expose the portion of the oscillator 71 in contact with the cooler 32, which is longer than the longitudinal length of the oscillator 71 and shorter than the depth of the cooler 32. ..
  • the holding material 73 is made of a rubber elastic body, is filled inside the cylinder 72, and is sealed inside the cylinder 72 so that the electric wire 52 does not come into contact with the cooling medium 37 so as not to come into contact with the inner surface of the cylinder 72. Holds the oscillator 71 and the electric wire 52.
  • the vibrator 71 vibrates the cooler 32, which is a container for storing and cooling the cooling medium 37
  • the cooling medium 37 vibrates and a flow is generated. Therefore, articles such as foodstuffs are placed in the cooling medium having a lower temperature. It will be exposed, and articles such as foodstuffs will be exposed to the cooling medium 37 having a lower temperature, so that it can be frozen at a lower temperature and faster.
  • the cooling medium 37 can contain an aqueous ethanol solution, a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 degrees Celsius or more and less than 500 degrees Celsius, and a water-soluble silicon compound.
  • a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 ° C. or higher and lower than 500 ° C. with a water-soluble silicon compound in an aqueous ethanol solution, the hydrophilic powder becomes longer than the aqueous ethanol solution. Since the time-dispersed and the water-soluble silicon compound promotes the dispersion of the powder, the powder inhibits the coagulation of the aqueous ethanol solution and does not coagulate to a lower temperature than the case of the aqueous ethanol solution alone.
  • the hydrophilic powder is dispersed in the ethanol aqueous solution by applying physical vibration by the vibrator 71 of the vibrating portion 36.
  • the oscillator 71 vibrates the cooler 32, which is a container for storing and cooling the cooling medium 37, the powder is dispersed and does not solidify to a lower temperature, so that it can be used at a lower temperature. become.
  • a powder obtained by thermally decomposing plant seeds at 400 degrees Celsius or more and less than 500 degrees Celsius and crushing the product and a water-soluble silicon compound are mixed in an aqueous ethanol solution.
  • the proportion of ethanol can be reduced and it can be used more safely. Since the powder and water-soluble silicon compound obtained by crushing the product obtained by thermally decomposing plant seeds at 400 degrees Celsius or more and less than 500 degrees Celsius are both harmless to the human body, it is assumed that they adhere to the immersed article. Can be handled more safely. In this way, it is possible to suppress coagulation at a lower temperature and freeze the article more safely and faster.
  • the powder may be 0.5% by weight to 1.0% by weight with respect to the aqueous ethanol solution, and the water-soluble silicon compound may be 0.5% by weight to 1.0% by weight with respect to the aqueous ethanol solution. ..
  • the hydrophilic powder can be dispersed in the aqueous ethanol solution for a long time, and the water-soluble silicon compound can promote the dispersion of the powder.
  • the powder When the powder is dispersed in an aqueous ethanol solution, the powder can be kept in a suspended state for 24 hours or more in a stationary state. By doing so, the powder can inhibit the coagulation of the aqueous ethanol solution for a longer period of time even when it is allowed to stand.
  • the powder can have a representative value of 10 ⁇ m or less, which indicates the center of the particle size distribution. By doing so, the powder can be easily dispersed and the coagulation of the aqueous ethanol solution can be inhibited.
  • the powder can contain 15% by weight to 19% by weight of potassium and 1% by weight to 3% by weight of phosphorus. By doing so, the powder becomes hydrophilic and can be dispersed in the ethanol aqueous solution for a long time to inhibit the coagulation of the ethanol aqueous solution.
  • the powder can generate a zeta potential of minus 0.5 mV in a pH 7 solution. By doing so, the powders repel each other and are easily dispersed, and the coagulation of the aqueous ethanol solution can be inhibited.
  • the oscillator 71 applies vibration to the cooler 32, which is a container for storing and cooling the cooling medium 37, the vibration induces the movement of the powder, a weak electric current is generated, and cell destruction during freezing is suppressed. Will be done.
  • the powder can be made by crushing a product obtained by thermally decomposing seeds, which are beans. By doing so, it is possible to more reliably obtain a powder having desired properties, suppress coagulation at a lower temperature, and freeze the article more safely and faster.
  • the ethanol aqueous solution can contain less than 60% by weight of ethanol. By doing so, the water-soluble ethanol is treated as a non-dangerous substance in the Fire Service Act, and more cooling media 37 can be handled more easily.
  • a timer 53 that supplies electricity to the vibrator 71 via the electric wire 52 for a predetermined time can be further provided. By doing so, it is possible to freeze at a lower temperature and faster without raising the temperature of the cooling medium 37.
  • the holding material 73 When the holding material 73 is filled, it can be hardened to become a rubber elastic body. By doing so, the vibration of the vibrator 71 can be transmitted to the cooler 32 more efficiently without suppressing the vibration of the vibrator 71.
  • the holding material 73 can be a silicone sealant.
  • the vibrator 71 can be made to vibrate by the piezoelectric element.
  • a powder obtained by crushing a product obtained by thermally decomposing plant seeds at 400 to 500 degrees Celsius is mixed with an aqueous ethanol solution, and a water-soluble silicon compound is mixed with the aqueous ethanol solution to form the powder and the silicon compound.
  • the mixed aqueous ethanol solution is placed in a cooler 32, which is a cooling container, and cooled to a temperature lower than 0 ° C. in a liquid state.
  • a frozen product can be manufactured by immersing the contained article in a cooled aqueous ethanol solution placed in a vibrating cooler 32 and freezing it.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

La présente invention permet de congeler des articles plus rapidement et à une plus basse température. À cet effet, l'invention concerne un congélateur dans lequel un milieu de refroidissement pour l'immersion et la congélation d'un article est accumulé dans un récipient pour effectuer le refroidissement, le milieu de refroidissement étant utilisé sous forme liquide, le congélateur comprenant : un vibreur qui est actionné par de l'énergie électrique fournie par l'intermédiaire d'un câble électrique, le vibreur venant en contact avec le côté du récipient en contact avec le milieu de refroidissement et amenant le récipient à vibrer ; un tube qui reçoit le vibreur et le câble électrique de telle sorte qu'une partie du vibreur en contact avec le récipient est exposée, le tube ayant une longueur plus grande que la longueur du vibreur dans la direction longitudinale et ayant une profondeur plus petite que celle du récipient ; et un matériau de maintien à corps élastique en caoutchouc dont l'intérieur du tube est rempli, le matériau de maintien réalisant une étanchéité dans l'intérieur du tube de telle sorte que le câble électrique n'entre pas en contact avec le milieu de refroidissement et maintenant le vibreur et le câble électrique de telle sorte que ces éléments ne viennent pas en contact avec la surface interne du tube.
PCT/JP2021/017527 2020-05-13 2021-05-07 Congélateur et procédé pour la production d'un article congelé WO2021230155A1 (fr)

Applications Claiming Priority (4)

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JP2020-084570 2020-05-13
JP2020084570A JP7437028B2 (ja) 2020-05-13 2020-05-13 冷却媒体、冷凍庫および冷凍品の製造方法
JP2021-002421 2021-01-08
JP2021002421A JP6854556B1 (ja) 2021-01-08 2021-01-08 冷凍庫および冷凍品の製造方法

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0779613B2 (ja) * 1988-04-21 1995-08-30 三井造船株式会社 水産物冷蔵方法
JPH09227859A (ja) * 1996-02-22 1997-09-02 Tokyo Fine Chem Kk 冷却液組成物
JPH10183109A (ja) * 1996-12-20 1998-07-14 Hitachi Plant Eng & Constr Co Ltd ブライン組成物
JP2002506513A (ja) * 1998-04-28 2002-02-26 オアシス コーポレイション 熱電式冷水器
JP2002306144A (ja) * 2001-04-18 2002-10-22 Nippon Benetsukusu:Kk 液状食品冷却装置
JP2006143271A (ja) * 2004-11-19 2006-06-08 Fuji Electric Retail Systems Co Ltd 飲料供給装置
JP2008202886A (ja) * 2007-02-21 2008-09-04 Mitsubishi Electric Corp 冷凍庫並びに冷蔵庫
JP2016129492A (ja) * 2015-01-11 2016-07-21 鈴木 哲生 個別凍結食品の製造方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0779613B2 (ja) * 1988-04-21 1995-08-30 三井造船株式会社 水産物冷蔵方法
JPH09227859A (ja) * 1996-02-22 1997-09-02 Tokyo Fine Chem Kk 冷却液組成物
JPH10183109A (ja) * 1996-12-20 1998-07-14 Hitachi Plant Eng & Constr Co Ltd ブライン組成物
JP2002506513A (ja) * 1998-04-28 2002-02-26 オアシス コーポレイション 熱電式冷水器
JP2002306144A (ja) * 2001-04-18 2002-10-22 Nippon Benetsukusu:Kk 液状食品冷却装置
JP2006143271A (ja) * 2004-11-19 2006-06-08 Fuji Electric Retail Systems Co Ltd 飲料供給装置
JP2008202886A (ja) * 2007-02-21 2008-09-04 Mitsubishi Electric Corp 冷凍庫並びに冷蔵庫
JP2016129492A (ja) * 2015-01-11 2016-07-21 鈴木 哲生 個別凍結食品の製造方法

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