JP2019045101A - Manufacturing device and manufacturing method of carbonated ice - Google Patents

Abstract

To provide a carbonated ice manufacturing device and a manufacturing method capable of performing mass production by automatizing the manufacture of carbonated ice.SOLUTION: A carbonated ice manufacturing device 10 which manufactures carbonated ice by freezing carbonated water includes: a pressure-resistant container 11 for carbonated water for storing carbonated water; a pressure-resistant ice-making container 12 for storing and freezing the carbonated water supplied from the pressure-resistant container 11 for carbonated water; cooling means 43 for cooling the pressure-resistant ice-making container 12 and heating means 44 for heating it; a vacuum pump 15 for evacuating the inside of the pressure-resistant ice-making container 12; carbon dioxide gas delivery means 16 for delivering a carbon dioxide gas into the pressure-resistant ice-making container 12; inert gas delivery means 17 for delivering an inert gas in the pressure-resistant ice-making container 12 in which carbonated water is poured to a preset water level; and an electric ball valve 14 connected to a carbonated ice discharge port provided on a lower surface of the pressure-resistant ice-making container 12, and having an aperture equal to or surpassing the carbonated ice discharge port.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an apparatus and method for freezing carbonated water to produce carbonated ice.

  If carbonated water can be frozen to obtain carbonated ice, carbonated ice can be divided into a suitable size and put in a drink, put in a carbonated drink so as not to lower the concentration of carbonated, eat as it is and have a new texture It can be expected that a large demand can be expected from obtaining carbon dioxide, but it is considered difficult to produce carbonated ice. This is because, when it is attempted to freeze carbonated water, carbonic acid contained in carbonated water is released to the atmosphere as crystallization of ice progresses.

Therefore, in Patent Document 1, a pressure-resistant ice container into which raw carbon dioxide-containing ice-making water is injected, and a pressurized medium are supplied to expand so as to contact the ice-raw water surface injected into the pressure-resistant ice container. A hollow elastic pressurized capsule disposed in the pressure-resistant ice container, a brine covering portion for cooling the pressure-resistant ice container from the outside, and a cooling means comprising a central brine supply portion for cooling from the center side as well The invention of an apparatus for producing carbonated ice is disclosed.
Further, in Patent Document 2, raw ice-making water is poured into a pressure-resistant vessel to a predetermined position, alcohol and carbon dioxide gas are dissolved in the raw ice-making water, pressurized with insoluble gas, and the pressure-proof vessel is cooled to make the raw ice-making water The invention of a method of producing carbonated ice characterized by freezing is disclosed.

Japanese Patent Application Laid-Open No. 7-120123 JP, 2014-219194, A

  However, according to the inventions of Patent Documents 1 and 2, the upper lid of the pressure resistant (ice making) container is removed and ice raw water is injected into the pressure resistant (ice making) container. After ice making, the upper lid of the pressure resistant (ice making) container is removed again to 2.) Carbonated ice can not be produced automatically in large quantities because the carbonated ice in the container must be removed.

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide an apparatus and a method for producing carbonated ice capable of mass-producing carbonated ice by automation.

In order to achieve the above object, a first invention is an apparatus for producing carbonated ice by freezing carbonated water,
A pressure container for carbonated water, a pressure-resistant ice container for storing and freezing carbonated water supplied from the pressure container for carbonated water, a cooling means for cooling the pressure-resistant ice container, and heating for heating Means, a vacuum pump for evacuating the inside of the pressure-resistant ice-making vessel, a carbon dioxide gas feeding means for supplying carbon dioxide gas into the pressure-resistant ice-making container, and the pressure-resistant ice-making container into which carbonated water is injected to a set water level. An electric ball valve connected to an inert gas supply means for supplying an inert gas, and connected to a carbonated ice outlet provided on the lower surface of the pressure resistant ice making container and having a bore equal to or larger than that of the carbonated ice outlet And providing.

A second invention is a method for producing carbonated ice using the apparatus for producing carbonated ice according to the first invention, and is characterized by including the following steps.
(1) A step of operating the vacuum pump to evacuate the inside of the pressure-resistant ice making container (2) A step of feeding carbon dioxide gas by the carbon dioxide gas feeding means into the vacuumed pressure-resistant ice making container (3) A step of injecting carbonated water from the carbonated water pressure container to a set water level in the carbonated gas pressure-resistant ice container in the carbon dioxide atmosphere (4) in the pressure-resistant ice container in which carbonated water is injected to a set water level Step of feeding inert gas by gas feeding means to pressurize carbonated water in the pressure-proof ice container (5) Cooling the pressure-proof ice container by the cooling means to freeze carbonated water in the pressure-proof ice container (6) heating the pressure-resistant ice making container by the heating means to separate carbonated ice from the inner surface of the pressure-resistant ice forming container (7) opening the electric ball valve to open the carbonated ice from the carbonated ice outlet Process of discharging

  In the present invention, carbonated water is supplied from a pressure container for carbonated water to a pressure-resistant ice making container from a pressure container for carbonated water, the carbonated water in the pressure-resistant ice making container is pressurized with an inert gas, and the pressure forming ice container is cooled to obtain carbonated water. After freezing, the pressure-resistant ice making container is heated to separate carbonated ice from the inner surface of the pressure-resistant ice forming container, a motorized ball valve is opened, and a series of operations for discharging carbonated ice from a carbonated ice outlet are automated.

  In the apparatus and method for producing carbonated ice according to the present invention, since a series of operations from production to discharge of carbonated ice are automated, it is possible to mass-produce carbonated ice without loss of working time.

It is a block diagram which shows the structure of the carbonated ice manufacturing apparatus which concerns on one embodiment of this invention. It is a perspective view of the pressure-resistant ice making container which comprises the carbonic acid ice manufacturing apparatus. (A) is a plan view of the electric ball valve, (B) is a side sectional view when the electric ball valve is opened, and (C) is a side sectional view when the electric ball valve is closed.

  Next, embodiments of the present invention will be described with reference to the attached drawings for understanding of the present invention.

The configuration of a carbonated ice production apparatus 10 according to an embodiment of the present invention is shown in FIG.
The carbonated ice manufacturing apparatus 10 is a pressure-resistant container 11 for carbonated water that is used for producing carbonated water and stores carbonated water after production, and a pressure-resistant ice that stores carbonated water supplied from the pressure-resistant container 11 for carbonated water and freezes it. A container 12, a vacuum pump 15 for evacuating the inside of the pressure container 11 for carbonated water and the inside of the pressure-resistant ice container 12, a carbon dioxide gas cylinder for feeding carbon dioxide gas into the pressure container 11 for carbonated water and the pressure-made ice container 12 A gas feeding means 16 and an inert gas cylinder (inert gas feeding means) 17 for feeding an inert gas into the pressure-resistant ice making container 12 into which carbonated water is injected to a set water level are provided.

  The vacuum pump 15 is connected to the pressure resistant container 11 for carbonated water through the pipes 51 and 50, and is connected to the pressure-resistant ice-making container 12 through the pipes 51, 54 and 52. The motor-operated valve 23 is installed on the path of the pipe 51, and the motor-operated valve 25 is installed on the path of the pipe 54.

  Carbon dioxide gas is supplied from the carbon dioxide gas cylinder 16 to the pressure resistant container 11 for carbonated water via the pipes 52 and 50, and from the carbon dioxide gas cylinder 16 to the pressure-resistant ice making container 12 via the pipe 52. The motor-operated valve 26 and the check valve 36 are installed on the path of the pipe 50, and the motor-operated valve 27 and the check valve 37 are installed on the path of the pipe 52.

An inert gas is fed from the inert gas cylinder 17 to the pressure-resistant ice making container 12 through a pipe 53. An electrically operated valve 28 is installed on the path of the pipe 53.
Nitrogen, argon or the like can be used as the inert gas.

The carbonated water pressure container 11 has a pipe 45 with a motorized valve 21 for injecting the raw material water into the carbonated water pressure container 11 and a level meter 39 which operates to stop the injection when the raw material water reaches the set water level. Is installed.
Further, in order to carbonate the raw material water in the pressure container 11 for carbonated water, the pressure container 11 for carbonated water is provided with a facility for circulating the raw material water (carbonated water) in the pressure container 11 for carbonated water. . Specifically, a circulation pump 18 for circulating the raw material water (carbonated water) in the pressure container 11 for carbonated water, and a spray nozzle 38 for jetting the circulated raw material water (carbonated water) into the pressure container 11 for carbonated water The pipes 46 and 47 connecting the circulation pump 18 and the spray nozzle 38 and the three-way valve 34 are provided.

When carbonated water is supplied from the carbonated water pressure container 11 to the ice container 12, the three-way valve 34 is switched to operate the circulation pump 18 and carbonated water is supplied to the ice container 12 through the pipes 46 and 48. . The electrically operated valve 22 and the check valve 35 are installed on the path of the pipe 48.
At this time, in order to make the pressure in the pressure container 11 for carbonated water and the pressure in the pressure-resistant ice container 12 be at the same level, the pressure container 11 for carbonated water and the pressure-resistant ice container 12 are connected by a pipe 49 having a pressure equalizing valve 33. ing.

The pressure-resistant ice making container 12 has a vertical cylindrical shape, and an electric ball valve 14 having a diameter equal to or larger than that of the carbonated ice outlet is connected to a carbonated ice outlet (not shown) provided on the lower surface See Figure 2).
The electric ball valve 14 includes a tube 14a connected to the carbonated ice discharge port, and an actuator 14b for rotating the ball 14c fitted in the tube 14a via the pivot shaft 14d (see FIG. 3 (A) to (C)). A through hole having a diameter equal to or larger than that of the carbonated ice discharge port is formed in the central portion of the ball 14c, and the electric ball valve 14 is opened and closed by rotating the rotation shaft 14d by ± 90 °.

  On the other hand, the upper surface of the pressure resistant ice making container 12 is sealed with a flange 12a, and carbon dioxide gas cylinders (carbon dioxide gas feeding means) 16 and inert gas cylinders (inert gas feeding (inert gas feeding) via pipes 52, 53, 55 penetrating the flange 12a. The feeding means 17 is connected to the motor-operated valve 24 for exhaust and the pressure sensor 40 respectively.

In order to cool and heat the pressure resistant ice making container 12, the peripheral wall 13 of the pressure resistant ice making container 12 has a double pipe structure, and the brine circulates inside the double pipe.
When the pressure resistant ice making container 12 is cooled, the cooling brine flows from the cooling brine tank (cooling means) 43 through the pipe 56 into the peripheral wall 13 of the pressure resistant ice making container 12. The cooling brine that has flowed out of the peripheral wall 13 of the pressure resistant ice making container 12 flows into the cooling brine tank 43 via the pipe 58. The circulation pump 19 and the motor-operated valve 31 are provided on the pipe 56, and the motor-operated valve 30 is provided on the pipe 58.
On the other hand, when heating the pressure-resistant ice making container 12, the heating brine flows from the heating brine tank (heating means) 44 through the pipe 57 into the peripheral wall 13 of the pressure-resistant ice forming container 12. The heating brine that has flowed out of the peripheral wall 13 of the pressure resistant ice making container 12 flows into the heating brine tank 44 via the pipe 59. The circulation pump 20 and the motor-operated valve 32 are installed on the pipe 57, and the motor-operated valve 29 is installed on the pipe 59.

  In addition, PLC (programmable logic controller) which is not shown in figure is used for control of each apparatus containing the electrically-driven valve mentioned above.

Next, a method of producing carbonated ice using the apparatus for producing carbonated ice 10 having the above configuration will be described.
The method of producing carbonated ice is roughly divided into three processes: production of carbonated water, injection of carbonated water into a pressure-resistant ice container, and production of carbonated ice. The following will be described in order.

[Production of carbonated water]
(1) The motor operated valve 23 is opened, the vacuum pump 15 is operated, and the interior of the carbonated water pressure container 11 is evacuated.
(2) When the vacuuming is completed, the motor operated valve 23 is closed and the vacuum pump 15 is stopped.

(3) The motor operated valve 21 is opened, and the raw material water is injected into the carbonated water pressure container 11. In order to increase the solubility of carbonic acid, the raw material water should be low temperature water as close to 0 ° C. as possible.
(4) When the raw water reaches the set water level, the level meter 39 operates and the motor operated valve 21 closes.

(5) The motor operated valve 26 is opened, and carbon dioxide gas is fed from the carbon dioxide gas cylinder 16 to the pressure container 11 for carbonated water. The injection pressure is appropriately determined by presupposing the carbonic acid concentration of carbonic acid ice. In general, it is about 0.15 MPa to 1.0 MPa.
(6) When the feed of carbon dioxide gas is completed, the motor operated valve 26 is closed.

(7) Close the B valve of the three-way valve 34, open the A valve, and operate the circulation pump 18. Thereby, the raw material water (carbonated water) is injected from the spray nozzle 38 into the pressure container 11 for carbonated water, and the raw material water (carbonated water) in the pressure container 11 for carbonated water is circulated and mixed. Although depending on the amount of water, carbonated water reaches its maximum concentration in about 3 minutes to 30 minutes.
(8) The circulation pump 18 is stopped when the carbonation work of the raw material water is completed.

[Injection of carbonated water into a pressure-resistant ice-making container]
(1) The motor-operated valve 25 is opened, the motor-operated ball valve 14 is closed, the vacuum pump 15 is operated, and the inside of the pressure-resistant ice making container 12 is evacuated.
(2) When the vacuuming is completed, the motor operated valve 25 is closed and the vacuum pump 15 is stopped.

(3) The motor operated valve 27 is opened to feed carbon dioxide gas from the carbon dioxide gas cylinder 16 to the pressure-resistant ice making container 12. The injection pressure is about 0.15 MPa to about 1.0 MPa as described above.
(4) When the feed of carbon dioxide gas is completed, the motor operated valve 27 is closed.

(5) The motor operated valve 22 and the pressure equalizing valve 33 are opened, the A valve of the three-way valve 34 is closed and the B valve is opened to operate the circulation pump 18 to make the pressure container 11 for carbon dioxide gas pressure resistant. Supply carbonated water. At this time, a space of at least 20% or more of the volume of the carbonated water is provided above the pressure-resistant ice making container 12 in order to prevent the container breakage due to the freezing and expansion of the carbonated water.
(6) When the supply of carbonated water from the carbonated water pressure container 11 to the pressure-made ice container 12 is completed (water injection to the set water level), the circulation pump 18 is stopped and the motor operated valve 22 and the pressure equalizing valve 33 are closed.

[Manufacture of carbonated ice]
(1) The motor operated valve 28 is opened, and the inert gas is supplied from the inert gas cylinder 17 to the pressure-resistant ice making container 12 to pressurize the carbonated water in the pressure resistant ice-making container 12. The injection pressure is about 1.0 MPa to 1.5 MPa.
(2) Close the motor-operated valve 28 when the feed of the inert gas is completed.

(3) The motor-operated valve 31 and the motor-operated valve 30 are opened, the circulation pump 19 is operated, and the pressure-resistant ice making container 12 is cooled by the cooling brine from the cooling brine tank 43 to start ice making. The temperature of the cooling brine is about -20 ° C.
(4) When ice making is completed, the motor-operated valve 31 and the motor-operated valve 30 are closed, and the circulation pump 19 is stopped.

(5) Open the motor-operated ball valve 14 and the motor-operated valve 24.
(6) The motor-operated valve 32 and the motor-operated valve 29 are opened, the circulation pump 20 is operated, and the pressure-resistant ice making container 12 is heated by the heating brine from the heating brine tank 44 to start deicing. The temperature of the heating brine is about 10 ° C to 40 ° C. When carbonated ice peels off from the inner surface of the pressure resistant ice making container 12, the carbonated ice is discharged from the electric ball valve 14 to the outside by its own weight.
(7) When the deicing is completed, the motor-operated valve 32 and the motor-operated valve 29 are closed, and the circulation pump 20 is stopped.

  As mentioned above, although one embodiment of the present invention has been described, the present invention is not limited to the configuration described in the above-described embodiment at all, and within the scope of the matters described in the claims. It also includes other possible embodiments and modifications. For example, in the above-mentioned embodiment, although the pressure container for carbonated water and the pressure-resistant ice making container are one each, they may be plural.

10: carbonated ice manufacturing apparatus, 11: pressure container for carbonated water, 12: pressure-resistant ice container, 12a: flange, 13: peripheral wall, 14: electric ball valve, 14a: tube, 14b: actuator, 14c: ball, 14d: Rotating shaft, 15: Vacuum pump, 16: carbon dioxide gas cylinder (carbon dioxide gas feeding means), 17: inert gas cylinder (inert gas feeding means), 18 to 20: circulation pump, 21 to 32: motorized valve, 33 : Pressure equalization valve, 34: Three-way valve, 35 to 37: Check valve, 38: Spray nozzle, 39: Level gauge, 40: Pressure sensor, 43: Cooling brine tank (cooling means), 44: Warming brine tank (Heating means), 45-59: Piping

Claims (2)

An apparatus for producing carbonated ice by freezing carbonated water,
A pressure container for carbonated water, a pressure-resistant ice container for storing and freezing carbonated water supplied from the pressure container for carbonated water, a cooling means for cooling the pressure-resistant ice container, and heating for heating Means, a vacuum pump for evacuating the inside of the pressure-resistant ice-making vessel, a carbon dioxide gas feeding means for supplying carbon dioxide gas into the pressure-resistant ice-making container, and the pressure-resistant ice-making container into which carbonated water is injected to a set water level. An electric ball valve connected to an inert gas supply means for supplying an inert gas, and connected to a carbonated ice outlet provided on the lower surface of the pressure resistant ice making container and having a bore equal to or larger than that of the carbonated ice outlet And a carbon dioxide ice manufacturing apparatus characterized by comprising: A method for producing carbonated ice using the apparatus for producing carbonated ice according to claim 1;
A first step of operating the vacuum pump to evacuate the inside of the pressure-resistant ice making container;
A second step of feeding carbon dioxide gas by the carbon dioxide gas delivery means into the pressure-resistant ice-making vessel that has been evacuated;
A third step of injecting carbonated water from the pressure container for carbonated water to a set water level in the pressure-resistant ice making container in a carbon dioxide gas atmosphere;
A fourth step of feeding inert gas by the inert gas feeding means into the pressure-resistant ice making container into which carbonated water is injected to a set water level to pressurize the carbonated water in the pressure-resistant ice making container;
A fifth step of cooling the pressure resistant ice making container by the cooling means to freeze carbonated water in the pressure resistant ice made container;
A sixth step of heating carbonated ice from the inner surface of the pressure-resistant ice-making container by heating the pressure-resistant ice-making container with the heating means;
And a seventh step of discharging the carbonated ice from the carbonated ice outlet by opening the electric ball valve.

Images