WO2022097704A1 - 食品加工装置 - Google Patents
食品加工装置 Download PDFInfo
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- WO2022097704A1 WO2022097704A1 PCT/JP2021/040698 JP2021040698W WO2022097704A1 WO 2022097704 A1 WO2022097704 A1 WO 2022097704A1 JP 2021040698 W JP2021040698 W JP 2021040698W WO 2022097704 A1 WO2022097704 A1 WO 2022097704A1
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- temperature
- reaction tube
- reaction
- light source
- unit
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- 235000013305 food Nutrition 0.000 title claims abstract description 112
- 238000012545 processing Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims abstract description 180
- 239000000376 reactant Substances 0.000 claims abstract description 65
- 239000011941 photocatalyst Substances 0.000 claims abstract description 48
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 47
- 238000003756 stirring Methods 0.000 claims description 36
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- 230000007423 decrease Effects 0.000 description 23
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 6
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- 239000003507 refrigerant Substances 0.000 description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 4
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Images
Classifications
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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
- A23L3/001—Details of apparatus, e.g. for transport, for loading or unloading manipulation, pressure feed valves
-
- 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
- A23L3/003—Control or safety devices for sterilisation or pasteurisation systems
-
- 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
- A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
-
- 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
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
-
- 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
- A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus 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
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
- C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
Definitions
- This disclosure relates to food processing equipment.
- Patent Document 1 discloses a production method in which a photocatalyst is used in a food production process to sterilize microorganisms in a brewed product at room temperature without heating.
- Patent Document 1 there is room for improvement in the apparatus or manufacturing method of Patent Document 1 above. For example, there is a problem that it is difficult to effectively modify a reactant used in food.
- One aspect of the present disclosure is made in view of such circumstances, and provides a food processing apparatus capable of effectively modifying a reactant used in food.
- the food processing apparatus of one aspect of the present disclosure is arranged in the internal space, a reaction vessel having an internal space for storing a liquid reactant used for food, a cooling unit for cooling the reactant in the reaction vessel, and the internal space.
- a catalytic reaction section is provided, and the catalytic reaction section includes a reaction tube, a light source provided inside the reaction tube, and a heat insulating section provided between the reaction tube and the light source, and the reaction tube includes a reaction tube.
- a photocatalyst is provided on the outer surface, the reaction tube transmits light emitted from the light source, the reaction tube has a first end, the first end is the bottom surface of the reaction tube, and the first end. The ends are closed, and the thermal conductivity of the heat insulating portion is smaller than the thermal conductivity of the reaction tube.
- the computer-readable recording medium includes a non-volatile recording medium such as a CD-ROM (Compact Disc-Read Only Memory).
- the food processing apparatus of one aspect of the present disclosure can be operated stably, and the reactants used in the food can be effectively modified.
- FIG. 1 is a diagram showing an example of the food processing apparatus of the first embodiment.
- FIG. 2 is a diagram showing an example of the configuration of the catalytic reaction unit according to the first embodiment.
- FIG. 3 is a diagram showing an example of the food processing apparatus of the second embodiment.
- FIG. 4 is a diagram showing an example of the configuration of the catalytic reaction unit according to the second embodiment.
- FIG. 5 is a functional block diagram of the food processing apparatus according to the second embodiment.
- FIG. 6 is a flowchart showing a first example of the operation of the food processing apparatus according to the second embodiment.
- FIG. 7 is a flowchart showing a second example of the operation of the food processing apparatus according to the second embodiment.
- FIG. 8 is a flowchart showing an example of the operation of the food processing apparatus according to the third embodiment.
- a method for modifying food raw materials there is a method using a catalyst.
- a catalyst for example, in the production of margarine, there is a method using a nickel catalyst to hydrogenate the fat and oil component as a raw material.
- Using an immobilized enzyme in the production of food can also be one of the catalyst utilization.
- a catalyst may be used for the purpose of sterilization in the manufacturing process.
- a photocatalyst is used in the manufacturing process of food and brewed at room temperature without heating. A manufacturing method for sterilizing microorganisms in food is being studied.
- the conventional method using a catalyst is effective for modifying a single component raw material as a raw material used for food, but since it is an extension of a chemical engineering method, there are restrictions on the equipment configuration, making it versatile. There is room for improvement in order to accommodate the configuration suitable for the catalyst used in the development of.
- the equipment used in the conventional manufacturing method using a photocatalyst is also for sterilization purposes, there is room for improvement in order to support a configuration suitable for modifying food raw materials.
- the temperature of the catalytic reaction section provided with the photocatalyst decreases. If a light source for efficiently irradiating the catalytic reaction section with light is provided in the vicinity of the photocatalyst, the temperature of the light source decreases as the temperature of the catalytic reaction section decreases, and the emission intensity of the light source increases. descend. This slows down the reaction rate of the reactants used in the food.
- the present inventors have found that when the temperature of the catalytic reaction section decreases, the reaction rate of the reactant used in food decreases, and by suppressing the decrease in the reaction rate of the reactant, the reactant used in food can be obtained.
- a food processing device that can be effectively modified.
- One aspect of the present disclosure is made in view of such circumstances, and provides a food processing apparatus using a photocatalyst that newly modifies a food material.
- the food processing apparatus is arranged in the internal space, a reaction vessel having an internal space for storing a liquid reactant used for food, a cooling unit for cooling the reactant in the reaction vessel, and the internal space.
- the catalytic reaction section includes a reaction tube, a light source provided inside the reaction tube, and a heat insulating section provided between the reaction tube and the light source.
- a photocatalyst is provided on the outer surface of the reaction tube, the reaction tube transmits light emitted from the light source, the reaction tube has a first end, the first end is the bottom surface of the reaction tube, and the first end is the same. One end is closed, and the thermal conductivity of the heat insulating portion is smaller than the thermal conductivity of the reaction tube.
- the temperature of the light source is cooled by the influence of the cooling unit because the heat insulating portion is arranged between the light source and the reaction tube. Can be suppressed. Therefore, the decrease in the emission intensity of the light source can be suppressed, and the decrease in the reaction rate of the reactant can be suppressed. Therefore, the reactants used in food can be effectively modified.
- the heat insulating portion may be made of at least one of plastic and glass wool.
- the light source may include an LED (Light Emitting Diode) that emits ultraviolet rays and / or a fluorescent lamp that emits ultraviolet rays.
- LED Light Emitting Diode
- the light source may include an LED (Light Emitting Diode) that emits ultraviolet rays and / or a fluorescent lamp that emits ultraviolet rays.
- the light source includes the fluorescent lamp, which contains a mercury compound and has an accommodating portion facing the bottom surface, and the heat insulating portion may be in contact with the bottom surface and the accommodating portion. ..
- reaction tube temperature detection unit that detects the temperature inside the reaction tube
- control unit that controls the emission intensity and / or emission time of the light source based on the temperature detected by the reaction tube temperature detection unit
- control unit that controls the emission intensity and / or emission time of the light source based on the temperature detected by the reaction tube temperature detection unit.
- the reaction amount of the reaction product of food can be appropriately controlled.
- control unit raises the emission intensity of the light source to be higher than the emission intensity when the temperature is higher than the first reference temperature. And / or, control may be performed to make the light emission time of the light source longer than a predetermined light emission time.
- the control unit lowers the emission intensity of the light source to be lower than the emission intensity when the temperature is lower than the first reference temperature, and / or.
- the light emission time of the light source may be controlled to be equal to or less than the predetermined light emission time.
- reaction amount of the reaction product of the food can be appropriately controlled.
- a reaction tube temperature detection unit that detects the temperature inside the reaction tube
- a stirring unit that agitates the reactant in the reaction vessel by performing an operation by rotation or reciprocation
- the reaction tube temperature detection unit When the temperature detected by the above is lower than the predetermined first reference temperature, the control unit is provided with a control unit for controlling to increase the operation amount of the stirring unit to be higher than the operation amount when the temperature is higher than the first reference temperature. May be good.
- the operating amount of the stirring unit is controlled based on the temperature inside the reaction tube, the reaction amount of the reaction product of food can be appropriately controlled.
- a reaction tank temperature detecting unit for detecting the temperature of the reactant in the reaction tank
- the control unit has a temperature detected by the reaction tank temperature detecting unit as a predetermined second reference temperature.
- the temperature inside the reaction tube reaches the third reference temperature, for example, it can be determined that an abnormality has occurred and the light emission of the light source can be stopped.
- a reaction tank temperature detecting unit for detecting the temperature of the reactant in the reaction tank
- the control unit has a temperature detected by the reaction tank temperature detecting unit as a predetermined second reference temperature.
- the temperature detected by the reaction tube temperature detecting unit is lower than the predetermined third reference temperature
- the light emission of the light source is stopped
- the second reference temperature is the second reference temperature. It is a temperature lower than one reference temperature
- the third reference temperature may be a temperature between the first reference temperature and the second reference temperature.
- the temperature inside the reaction tube reaches the third reference temperature, for example, it can be determined that an abnormality has occurred and the light emission of the light source can be stopped.
- FIG. 1 is a diagram showing an example of the food processing apparatus 100 of the embodiment.
- the food processing apparatus 100 includes a reaction tank 1, a stirring unit 2, a catalytic reaction unit 6, a cooling unit 10, and a reaction tank temperature detecting unit 11.
- the reaction tank 1 has a first space S1 for storing a liquid reactant used for food.
- the reaction vessel 1 is, for example, a bottomed cylindrical container.
- the reaction vessel 1 may be a bottomed tubular container having a first space S1 for storing a liquid reactant, and may not be cylindrical.
- the reaction tank 1 is provided with a lid portion 5 that closes the opening at the top of the reaction tank 1.
- the lid portion 5 is a disk-shaped member, and has a rotating shaft 3 of the stirring body 4, a plurality of catalytic reaction portions 6, and a through hole penetrated by the reaction tank temperature detecting portion 11.
- the stirring unit 2 has a stirring body 4 that stirs the reactants in the reaction tank 1 by rotating.
- the stirring unit 2 is arranged so that the rotating shaft 3 of the stirring unit 2 coincides with the central axis of the cylinder of the reaction tank 1.
- the stirring unit 2 includes a motor (not shown) that rotates the rotating shaft 3.
- the agitator 4 may be realized by, for example, an inclined paddle blade.
- the agitator 4 is one of a propeller blade, a disc turbine blade, and a centrifugal agitator so that the optimum processing conditions are taken in consideration of the operation processing conditions such as the viscosity of the reactant and the power consumption of the stirring unit 2. It may be realized by.
- the stirring body 4 should include at least one of an inclined paddle blade, a propeller blade, a disc turbine blade, and a centrifugal stirring body. good.
- a plurality of catalytic reaction units 6 are provided in the food processing apparatus 100.
- a plurality of (six in the present embodiment) catalytic reaction units 6 are spaced apart from each other around the rotating shaft 3 of the stirring body 4 when viewed from the axial direction of the rotating shaft 3 of the stirring body 4. Placed in.
- the outside of the six catalytic reaction units 6 is surrounded by the inner wall surface of the reaction tank 1. That is, the catalytic reaction unit 6 is arranged in the internal space S1 of the reaction tank 1.
- FIG. 2 is a diagram showing an example of the configuration of the catalytic reaction unit 6 according to the first embodiment.
- Each of the plurality of catalytic reaction units 6 has a reaction tube 7, a light source 8, and a heat insulating unit 14, as shown in FIG.
- the catalytic reaction unit 6 may further have a sealing unit 13 that seals between the opening at the end (the other end) opposite to the bottom surface 7c of the reaction tube 7 and the light source 8. .. As a result, the reaction tube 7 is sealed, and the airtightness inside the reaction tube 7 is maintained.
- the inside of the reaction tube 7 may be filled with a dry gas.
- the reaction tube 7 has an outer surface provided with a photocatalyst and a bottom surface 7c having one end sealed, and transmits light. Specifically, the reaction tube 7 has a bottomed cylindrical glass base material 7a and a photocatalyst thin film 7b provided on the outer surface of the glass base material 7a.
- the glass base material 7a is arranged so that the cylindrical axial direction of the glass base material 7a is oriented along the rotation axis 3 of the stirring body 4.
- the photocatalyst thin film 7b provided on the outer surface of the glass substrate 7a is formed by, for example, a general sol-gel method.
- the thin film 7b of the photocatalyst is composed of TiO 2 .
- the sol-gel liquid used in the method for forming the thin film 7b of the photocatalyst is applied to the outer surface of the glass base material 7a, and the glass base material 7a to which the sol-gel liquid is applied is rotated by using a rotating machine. As a result, the sol-gel solution is uniformly applied over the entire outer surface of the glass substrate 7a.
- the glass base material 7a coated with the sol-gel liquid is dried in an electric furnace after the sol-gel liquid is dried, and then heated at a high temperature of 500 ° C. or higher, so that a thin film 7b of a photocatalyst is formed on the outer surface of the glass base material 7a. It is fired.
- the light source 8 irradiates the photocatalyst with light from the inside of the reaction tube 7.
- the light source 8 is inserted into the glass base material 7a from an open portion on the opposite side of the bottom surface 7c of the glass base material 7a.
- the light source 8 includes a light source having a center wavelength of about 260 nm to 400 nm in order to effectively generate excitons in the photocatalyst.
- the light source 8 includes, for example, a fluorescent lamp having a wavelength in the wavelength range (UV—A) of ultraviolet rays 315 nm to 400 nm as a central wavelength. Therefore, the reaction of the reactants by the photocatalyst can be effectively promoted.
- the light source 8 composed of a fluorescent lamp has a housing portion 8a in which a mercury compound is housed.
- the accommodating portion 8a faces the bottom surface 7c of the reaction tube 7.
- the light source 8 may be arranged so as to face the thin film 7b of the reaction tube 7 in order to effectively irradiate the thin film 7b provided on the outer surface of the glass substrate 7a with light.
- the light source 8 may include, for example, a high-pressure mercury lamp, an LED (Light Emitting Diode) that emits ultraviolet rays, and the like.
- the heat insulating portion 14 is a member that is arranged between the light source 8 and the reaction tube 7 and has a smaller thermal conductivity than the reaction tube 7.
- the heat insulating portion 14 is provided between the bottom surface 7c of the reaction tube 7 and the accommodating portion 8a of the light source 8, and is in contact with the bottom surface 7c and the accommodating portion 8a.
- the heat insulating portion 14 may be composed of, for example, a block of fluororesin having a thickness of about 20 mm.
- the heat insulating portion 14 may be made of, for example, at least one of plastic and glass wool. Therefore, it is possible to effectively insulate between the light source 8 and the reaction tube 7.
- the cooling unit 10 cools the reactants in the reaction tank 1.
- the cooling unit 10 is arranged so as to surround the outside of the plurality of catalytic reaction units 6.
- the cooling unit 10 has an outer wall 10a surrounding the reaction tank 1 and a cooling medium (refrigerant) flowing through the second space S2 between the reaction tank 1 and the outer wall 10a.
- the cooling unit 10 adjusts the temperature of the reactant by operating based on the temperature detected by the reaction tank temperature detecting unit 11. Specifically, when the reaction product having a temperature higher than the first temperature is cooled to the first temperature, the cooling unit 10 circulates a refrigerant having a temperature lower than the first temperature in the second space S2. As a result, the cooling unit 10 cools the reactant by exchanging heat between the refrigerant and the reactant with the reaction vessel 1 interposed therebetween.
- the refrigerant whose temperature has risen due to heat exchange with the reactant is cooled to the first temperature or lower in a heat exchanger (not shown) arranged outside the second space S2, and then returns to the second space S2. As shown above, they may be connected by a pipe (not shown).
- the refrigerant may be circulated between the second space S2 and the heat exchanger by, for example, a circulation pump (not shown). In this case, the cooling unit 10 may start cooling the reactants by starting the operation of the circulation pump.
- the reaction tank temperature detection unit 11 is arranged in the reaction tank 1 and detects the temperature of the reactants.
- the reaction tank temperature detection unit 11 is composed of, for example, a thermistor, a thermocouple, or the like.
- the reaction tank temperature detecting unit 11 penetrates the lid portion 5 and is fixed to the lid portion 5, for example.
- the food processing apparatus 100 starts the photocatalytic treatment. Specifically, in the photocatalytic treatment, the food processing apparatus 100 starts irradiating the thin film 7b of the photocatalyst from the inside of the reaction tube 7 by turning on the light source 8 of the catalytic reaction unit 6. In the photocatalytic treatment, the food processing apparatus 100 rotates the rotating shaft 3 of the stirring body 4 by driving the motor of the stirring unit 2, and agitates the reactants in the reaction tank 1. At the same time, in the photocatalytic treatment, the food processing apparatus 100 supplies the cooling medium to the second space S2 of the cooling unit 10 by driving the circulation pump of the cooling unit 10.
- the food processing apparatus 100 detects the temperature of the reaction product by the reaction tank temperature detection unit 11, and supplies the temperature of the cooling medium to the second space S2 so that the reaction product reaches a preset temperature. Or adjust the supply amount of the cooling medium.
- the food processing apparatus 100 adjusts the temperature of the cooling medium by, for example, adjusting the amount of heat exchange in the heat exchanger installed outside the second space S2. Specifically, if the heat exchanger is air-cooled, the food processing apparatus 100 may adjust the temperature of the cooling medium by adjusting the air volume of the fan that promotes air cooling in the heat exchanger, or the heat exchanger. If is water-cooled, the temperature of the cooling medium may be adjusted by adjusting the amount of water by the pump that promotes water cooling in the heat exchanger.
- the food processing apparatus 100 supplies the cooling medium to the second space by adjusting the circulation amount by a circulation pump for circulating the cooling medium between the second space S2 outside the reaction tank 1 and the heat exchanger.
- the amount may be adjusted.
- the temperature and / or the supply amount of the cooling medium can be adjusted by using a constant temperature water circulation device (not shown) including a heat exchanger, a circulation pump and piping.
- the reaction of the reactant in the food processing apparatus 100 is fermentation of brewer's yeast, it may be aged at a low temperature (for example, about 5 ° C.).
- the target preset temperature in the cooling unit 10 is 5 ° C.
- the photocatalyst irradiated with light is brought into contact with the reactant that is the raw material of the food, and the reactant is reformed by the photocatalyst.
- the fermentation period can be shortened by decomposing the sugar content in the wort in advance.
- the food processing apparatus 100 cools the reactant in the reaction vessel 1, and the temperature of the inner surface of the reaction tube 7 of the catalytic reaction unit 6 becomes low due to heat conduction to the low-temperature reactant.
- the luminous efficiency of the light source 8 changes according to the temperature change of the light source 8.
- the light source 8 has a low luminous efficiency and a low light emission intensity to a photocatalyst.
- the temperature of the light source 8 drops significantly when the light source 8 and the reaction tube 7 are in contact with each other.
- the emission intensity is lowered and the state of exciton generation in the photocatalyst is lowered, which adversely affects the reactivity of the reactants. Therefore, in the catalytic reaction unit 6 of the first embodiment, by providing the heat insulating unit 14 between the bottom surface 7c of the reaction tube 7 and the light source 8, the light emission intensity of the light source 8 decreases due to the temperature decrease of the reactants. Is suppressed.
- the following experiment was conducted in order to verify the effect of the configuration of the catalytic reaction unit 6 of the first embodiment. Specifically, in the experiment, an aqueous solution of formic acid having a formic acid concentration of 10 ppm was used as the reactant, the cooling unit 10 was operated to adjust the reactant to about 5 ° C., and the light source 8 of the catalytic reaction unit 6 was operated to operate the photocatalyst. The degradability of formic acid was confirmed. As a result, it was confirmed that the reaction rate constant of formic acid decomposition was improved (about 20% under the conditions carried out in this experiment) as compared with the case where the heat insulating portion 14 was not installed in the catalytic reaction portion 6.
- the heat insulating unit 14 is arranged between the light source 8 and the reaction tube 7. Therefore, it is possible to prevent the temperature of the light source 8 from being cooled by the influence of the cooling unit 10. Therefore, the decrease in the emission intensity of the light source 8 can be suppressed, and the decrease in the reaction rate of the reactant can be suppressed. Therefore, the reactants used in food can be effectively modified. That is, the food processing apparatus 100 can realize stable operation with a simple configuration, and in particular, has an effect of enabling effective modification of raw materials used for foods that require cooling.
- FIG. 3 is a diagram showing an example of the food processing apparatus 200 of the second embodiment.
- the food processing apparatus 200 has a different configuration of the catalytic reaction unit 6a as compared with the food processing apparatus 100 in the first embodiment.
- the food processing device 200 is different in that it controls the stirring unit 2, the light source 8, and the cooling unit 10 according to the detection result of the sensor included in the food processing device 200.
- FIG. 4 is a diagram showing an example of the configuration of the catalytic reaction unit 6a according to the second embodiment.
- the catalytic reaction unit 6a further includes a reaction tube temperature detection unit 16 that detects the temperature inside the reaction tube 7 in the configuration of the catalytic reaction unit 6 of the first embodiment.
- the reaction tube temperature detecting unit 16 penetrates, for example, the sealing unit 13 and is fixed to the sealing unit 13. The periphery of the reaction tube temperature detection unit 16 is sealed by the sealing unit 13, and the airtightness inside the reaction tube 7 is maintained. Since the configuration of the catalytic reaction unit 6a other than the reaction tube temperature detection unit 16 is the same as the configuration of the catalytic reaction unit 6, the description thereof will be omitted.
- FIG. 5 is a functional block diagram of the food processing apparatus 200 according to the second embodiment.
- the food processing apparatus 200 may include a control unit 15.
- the control unit 15 controls the operation of the food processing apparatus 200.
- the control unit 15 acquires the detection results of the reaction tank temperature detection unit 11 and the reaction tube temperature detection unit 16, and controls at least one of the stirring unit 2, the light source 8, and the cooling unit 10 according to the acquired detection results. ..
- the control unit 15 controls the light emission intensity and / or the light emission time of the light source 8 based on, for example, the temperature detected by the reaction tube temperature detection unit 16.
- the control unit 15 may be realized by, for example, a processor and a memory for storing a program executed by the processor.
- the control unit 15 may be realized by, for example, a dedicated circuit.
- FIG. 6 is a flowchart showing a first example of the operation of the food processing apparatus 200 of the second embodiment.
- control unit 15 starts the photocatalytic treatment (S11). Since the photocatalyst treatment is the same as the treatment described in the first embodiment, the description thereof will be omitted.
- control unit 15 determines whether or not the first detection temperature detected by the reaction tube temperature detection unit 16 is lower than the predetermined first reference temperature (S12).
- control unit 15 determines that the first detection temperature detected by the reaction tube temperature detection unit 16 is lower than the predetermined first reference temperature (Yes in S12)
- the light emission intensity of the light source 8 is set to the first reference temperature. Control is performed to increase the emission intensity to be higher than that of the higher emission intensity and / or to make the emission time of the light source 8 longer than the predetermined emission time (S13).
- the control unit 15 increases the light emission intensity of the light source 8 by increasing the power supplied to the light source 8 more than the power supplied to the light source 8 when the first detection temperature is equal to or higher than the first reference temperature. May be good.
- the first reference temperature is a temperature at which the first detection temperature detected by the reaction tube temperature detection unit 16 and the emission intensity of the light source 8 are measured in advance, and the emission intensity of irradiating the photocatalyst is lower than a predetermined intensity.
- the temperature may be set with reference to.
- the control unit 15 updates the light emission time set in the photocatalyst treatment to the light emission time longer than the predetermined light emission time.
- Increasing the light emission time by the light source 8 means increasing the reaction time.
- the control unit 15 changes the emission time to twice the initially set emission time, so that the emission intensity is lowered. Can ensure the same reactivity.
- the control unit 15 may perform one of a control of increasing the emission intensity of the light source 8 and a control of increasing the emission time of the light source 8 to a emission time longer than a predetermined emission time. Both controls may be used together.
- the control unit 15 determines that the first detection temperature detected by the reaction tube temperature detection unit 16 is equal to or higher than the predetermined first reference temperature (No in S12), or after step S13, the photocatalyst It is determined whether or not a predetermined time has elapsed since the process was started (S14). Specifically, the control unit 15 starts counting when the photocatalyst treatment is started, and by determining whether or not the count is equal to the predetermined time, a predetermined time has elapsed since the photocatalytic treatment was started. Judge whether or not.
- the predetermined time is a light emission time set in the photocatalyst treatment, and is stored in a memory (not shown) of the control unit 15.
- control unit 15 determines that a predetermined time has elapsed since the photocatalyst treatment was started (Yes in S14)
- the control unit 15 stops the photocatalyst treatment (S15).
- the control unit 15 determines that a predetermined time has not elapsed since the photocatalyst treatment was started (No in S14)
- the control unit 15 returns to step S12.
- control unit 15 the first detection temperature became equal to or higher than the first reference temperature in step S12 after the light emission intensity was increased or the light emission time was set to be long after the step S13 was performed.
- control may be performed to lower the light emission intensity of the light source 8 to be lower than the light emission intensity when the temperature is lower than the first reference temperature, and / or to set the light emission time of the light source 8 to a predetermined light emission time or less.
- the control unit 15 returns the light emission intensity of the light source 8 to the original light emission intensity before the step S13 is performed, and / or sets the light source light emission time to the original light emission time before the step S13 is performed. Control to return may be performed.
- the control unit 15 determines whether or not the first detected temperature is equal to or higher than the reference temperature different from the first reference temperature between steps S11 and S12, and the first detected temperature is equal to or higher than the different reference temperature. In the case of The determination by the control unit 15 may be performed when it is determined as No in step S14.
- the reaction tube 7 When the reaction product becomes extremely low temperature, the reaction tube 7 is cooled, and the temperature of the light source 8 may drop significantly even when the heat insulating portion 14 is provided as in the catalytic reaction portion 6 in the first embodiment. As a result, the emission intensity of the light source 8 decreases and the state of excitons generated in the photocatalyst changes, which may affect the reactivity of the reactants.
- the reaction amount of the food reactant is more appropriately controlled. Can be controlled.
- control unit 15 determines the emission intensity of the light source 8 when the first detection temperature detected by the reaction tube temperature detection unit 16 is lower than the predetermined first reference temperature. Control is performed to raise and / or make the light emission time of the light source 8 longer than a predetermined light emission time. Therefore, it is possible to appropriately suppress a decrease in the reaction amount of the reaction product of the food.
- the control unit 15 of the food processing apparatus 200 operates the cooling unit 10 to adjust the temperature of the reactant to the second reference temperature lower than the first reference temperature.
- the second reference temperature is a preset temperature targeted in the cooling unit 10 as described in the first embodiment, and is, for example, 5 ° C.
- FIG. 7 is a flowchart showing a second example of the operation of the food processing apparatus 200 according to the second embodiment.
- control unit 15 starts the photocatalytic treatment (S21).
- control unit 15 determines whether or not the first detection temperature is lower than the first reference temperature (S22).
- control unit 15 determines that the first detection temperature is lower than the first reference temperature (Yes in S22)
- the control unit 15 increases the emission intensity of the light source 8 and / or sets the emission time of the light source 8 to be longer than the predetermined emission time. Control to lengthen (S23).
- steps S21 to S23 are the same as steps S11 to S13, respectively.
- the control unit 15 determines whether or not the first detection temperature is lower than the third reference temperature when it is determined that the first detection temperature is equal to or higher than the first reference temperature (No in S22) or after step S23. Judgment (S24).
- the third reference temperature is a temperature between the first reference temperature and the second reference temperature. For the third reference temperature, the correlation between the temperature of the light source 8 from which the emission intensity required for the reaction of the reactant cannot be obtained and the temperature detected by the reaction tube temperature detection unit 16 is measured in advance, and the reaction of the reactant is measured by the light source 8.
- the temperature may be set based on the temperature at which the required emission intensity cannot be obtained.
- control unit 15 determines whether or not a predetermined time has elapsed since the photocatalyst treatment was started (S25).
- step S26 When the control unit 15 determines that the first detection temperature is lower than the third reference temperature (Yes in S24), or determines that a predetermined time has elapsed since the photocatalyst treatment was started (Yes in S25), the photocatalyst The process is stopped (S26). When the control unit 15 determines that a predetermined time has not elapsed since the photocatalyst treatment was started (No in S25), the control unit 15 returns to step S22. Note that steps S25 and S26 are the same as steps S14 and S15, respectively.
- the control unit 15 makes the temperature detected by the reaction tank temperature detection unit 11 a predetermined second reference temperature.
- the cooling unit 10 is operated.
- the control unit 15 stops the light emission of the light source 8. Therefore, when the temperature inside the reaction tube 7 becomes the third reference temperature, for example, it is possible to determine that an abnormality has occurred and stop the light emission of the light source 8. Thereby, it is possible to suppress the continuation of the photocatalytic treatment under the condition that the reaction of the reactant is difficult to be promoted.
- the second reference temperature is a temperature lower than the first reference temperature
- the third reference temperature is a temperature between the first reference temperature and the second reference temperature. Therefore, the control unit 15 can execute the operation control without any inconsistency.
- the configuration of the food processing apparatus according to the third embodiment is the same as that of the food processing apparatus 200 according to the second embodiment.
- the catalytic reaction unit 6 of the first embodiment may be used instead of the catalytic reaction unit 6a.
- FIG. 8 is a flowchart showing the operation of the food processing apparatus 200 according to the third embodiment.
- control unit 15 starts the photocatalytic treatment (S31).
- control unit 15 determines whether or not the first detection temperature is lower than the first reference temperature (S32).
- steps S31 and S32 are the same as steps S11 and S12 in FIG. 6, respectively.
- the control unit 15 determines that the first detection temperature is lower than the first reference temperature (Yes in S32)
- the control unit 15 controls to increase the operation amount of the stirring unit 2 more than the operation amount when the first detection temperature is higher than the first reference temperature. (S33).
- the operating amount of the stirring unit 2 is an operating speed, for example, the rotation speed of the stirring unit 2.
- step S34 When the control unit 15 determines that the first detection temperature is equal to or higher than the first reference temperature (No in S32), or after step S33, whether or not a predetermined time has elapsed since the photocatalyst treatment was started. Judgment (S34). When the control unit 15 determines that the first detection temperature is equal to the first reference temperature, either step S33 or step S34 may be performed.
- control unit 15 determines that a predetermined time has elapsed since the photocatalyst treatment was started (Yes in S34), the control unit 15 stops the photocatalyst treatment (S35). When the control unit 15 determines that a predetermined time has not elapsed since the photocatalyst treatment was started (No in S34), the control unit 15 returns to step S32.
- the control unit 15 of the stirring unit 2 Control may be performed to reduce the operating amount to be smaller than the operating amount when the operating amount is lower than the first reference temperature. In this case, the control unit 15 may control to return the operation amount of the stirring unit 2 to the original operation amount before the step S33 is performed.
- the reaction tube 7 When the reaction product becomes extremely low temperature, the reaction tube 7 is cooled, and the temperature of the light source 8 may drop significantly even when the heat insulating portion 14 is provided as in the catalytic reaction portion 6 in the first embodiment. As a result, the emission intensity of the light source 8 decreases and the state of excitons generated in the photocatalyst changes, which may affect the reactivity of the reactants.
- the operating amount of the stirring unit 2 is increased, so that the reactant and the catalytic reaction unit 6 are used. Contact with and can be improved.
- the reaction amount of the reaction product of the food can be controlled more appropriately.
- the food processing apparatus has been described above based on the embodiment, but the present disclosure is not limited to this embodiment. As long as it does not deviate from the gist of the present disclosure, one or more of the present embodiments may be modified by those skilled in the art, or may be constructed by combining components in different embodiments. It may be included within the scope of the embodiment.
- One aspect of the present disclosure can be used, for example, in a food processing apparatus using a photocatalyst that modifies a raw material of food.
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Abstract
Description
本発明者らは、「背景技術」の欄において記載した、食品の製造装置または製造方法に関し、以下の問題が生じることを見出した。
食品加工装置100の構成について、図1を用いて説明する。図1は、実施の形態の食品加工装置100の一例を示す図である。
次に、実施の形態2に係る食品加工装置200について、図3を用いて説明する。図3は、実施の形態2の食品加工装置200の一例を示す図である。
次に、実施の形態3に係る食品加工装置について説明する。実施の形態3に係る食品加工装置では、実施の形態2に係る食品加工装置200における光源8の発光強度および/または発光時間を変更する制御を行う代わりに、撹拌部2の動作量を変更する制御を行う。
2 撹拌部
3 回転軸
4 撹拌体
5 蓋部
6、6a 触媒反応部
7 反応管
7a ガラス基材
7b 薄膜
7c 底面
8 光源
8a 収容部
10 冷却部
10a 外壁
11 反応槽温度検知部
13 封止部
14 断熱部
15 制御部
16 反応管温度検知部
100、200 食品加工装置
Claims (10)
- 食品に用いる液状の反応物を貯める内部空間を有する反応槽と、
前記反応槽内の前記反応物を冷却する冷却部と、
前記内部空間に配置される触媒反応部と、を具備し、
前記触媒反応部は、反応管、前記反応管の内部に設けられた光源、前記反応管と前記光源の間に設けられた断熱部を含み、
前記反応管の外表面に光触媒が設けられ、
前記反応管は前記光源から照射された光を透過し、
前記反応管は第1端を有し、前記第1端は前記反応管の底面であり、前記第1端は閉じられており、
前記断熱部の熱伝導率は前記反応管の熱伝導率よりも小さい、
食品加工装置。 - 前記断熱部は、プラスチック、および、グラスウールのうちの少なくとも1つにより構成される
請求項1に記載の食品加工装置。 - 前記光源は、紫外線を発光するLED(Light Emitting Diode)および/または紫外線を発光する蛍光灯を含む
請求項1または2に記載の食品加工装置。 - 前記光源は、前記蛍光灯を含み、
前記蛍光灯は、水銀化合物が収容され、前記底面と対向する収容部を有し、
前記断熱部は、前記底面および前記収容部と接触している
請求項3に記載の食品加工装置。 - さらに、
前記反応管の内側の温度を検知する反応管温度検知部と、
前記反応管温度検知部により検知された温度に基づき、前記光源の発光強度および/または発光時間を制御する制御部と、を備える
請求項1から4のいずれかに記載の食品加工装置。 - 前記制御部は、前記反応管温度検知部により検知された温度が予め定められた第1基準温度より低い場合、前記光源の発光強度を前記第1基準温度より高い場合の発光強度よりも上げる、および/または、前記光源の発光時間を所定の発光時間よりも長くする制御を行う
請求項5に記載の食品加工装置。 - 前記制御部は、前記反応管温度検知部により検知された温度が前記第1基準温度より高い場合、前記光源の発光強度を前記第1基準温度より低い場合の発光強度よりも下げる、および/または、前記光源の発光時間を前記所定の発光時間以下にする制御を行う
請求項6に記載の食品加工装置。 - さらに、
前記反応管の内側の温度を検知する反応管温度検知部と、
回転または往復動による動作を行うことで前記反応槽内の前記反応物を撹拌する撹拌部と、
前記反応管温度検知部により検知された温度が予め定められた第1基準温度より低い場合、前記撹拌部の動作量を前記第1基準温度より高い場合の動作量よりも増加させる制御を行う制御部と、を備える
請求項1から4のいずれかに記載の食品加工装置。 - さらに、
前記反応槽内の前記反応物の温度を検知する反応槽温度検知部を備え、
前記制御部は、
前記反応槽温度検知部により検知された温度が予め定められた第2基準温度となるように前記冷却部を動作させ、
前記反応管温度検知部により検知された温度が予め定められた第3基準温度より低い場合、前記光源の発光を停止する
請求項5から8のいずれか1項に記載の食品加工装置。 - さらに、
前記反応槽内の前記反応物の温度を検知する反応槽温度検知部を備え、
前記制御部は、
前記反応槽温度検知部により検知された温度が予め定められた第2基準温度となるように前記冷却部を動作させ、
前記反応管温度検知部により検知された温度が予め定められた第3基準温度より低い場合、前記光源の発光を停止し、
前記第2基準温度は、前記第1基準温度より低い温度であり、
前記第3基準温度は、前記第1基準温度と前記第2基準温度との間の温度である
請求項6から8のいずれか1項に記載の食品加工装置。
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CA3195179A CA3195179A1 (en) | 2020-11-05 | 2021-11-05 | Food processing apparatus |
EP21889256.0A EP4241582A4 (en) | 2020-11-05 | 2021-11-05 | FOOD PROCESSING EQUIPMENT |
JP2022560816A JP7220367B2 (ja) | 2020-11-05 | 2021-11-05 | 食品加工装置 |
JP2023004838A JP2023054804A (ja) | 2020-11-05 | 2023-01-17 | 触媒反応管 |
US18/301,255 US20230255243A1 (en) | 2020-11-05 | 2023-04-17 | Food processing apparatus |
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JP2003250514A (ja) | 2002-03-01 | 2003-09-09 | Nippon Techno Kk | 醸造物の製造方法 |
CN204958454U (zh) * | 2015-06-26 | 2016-01-13 | 徐州工程学院 | 有机废水光催化降解装置 |
CN211339459U (zh) * | 2019-11-05 | 2020-08-25 | 福建创新食品科技有限公司 | 一种发酵调味品专用发酵装置 |
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JP3815901B2 (ja) * | 1997-11-05 | 2006-08-30 | 株式会社荏原製作所 | 食品収納ケース |
JP2001017144A (ja) | 1999-07-02 | 2001-01-23 | Matsushita Refrig Co Ltd | 洗浄機 |
WO2004063431A1 (ja) * | 2003-01-09 | 2004-07-29 | Fujikura Ltd. | 酸化チタン粒子およびその製造方法、製造装置ならびにこの酸化チタンを用いた処理方法 |
CN102574093A (zh) * | 2009-09-15 | 2012-07-11 | 巴斯夫欧洲公司 | 光反应器 |
US20120276256A1 (en) * | 2010-02-10 | 2012-11-01 | Safefresh Technologies, Llc | Ultraviolet c pathogen deactivation device and method |
JP6192679B2 (ja) * | 2015-04-23 | 2017-09-06 | 株式会社トクヤマ | 液体の殺菌方法及び殺菌装置 |
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JP2003250514A (ja) | 2002-03-01 | 2003-09-09 | Nippon Techno Kk | 醸造物の製造方法 |
CN204958454U (zh) * | 2015-06-26 | 2016-01-13 | 徐州工程学院 | 有机废水光催化降解装置 |
CN211339459U (zh) * | 2019-11-05 | 2020-08-25 | 福建创新食品科技有限公司 | 一种发酵调味品专用发酵装置 |
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