KR20160039366A - Device for manufacturing dry ice and dry ice vending machine containing the same - Google Patents

Device for manufacturing dry ice and dry ice vending machine containing the same Download PDF

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Publication number
KR20160039366A
KR20160039366A KR1020140132315A KR20140132315A KR20160039366A KR 20160039366 A KR20160039366 A KR 20160039366A KR 1020140132315 A KR1020140132315 A KR 1020140132315A KR 20140132315 A KR20140132315 A KR 20140132315A KR 20160039366 A KR20160039366 A KR 20160039366A
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KR
South Korea
Prior art keywords
dry ice
receiving plate
producing apparatus
carbon dioxide
moving member
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Application number
KR1020140132315A
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Korean (ko)
Inventor
예상철
강동욱
신정훈
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(주)위비즈
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Priority to KR1020140132315A priority Critical patent/KR20160039366A/en
Publication of KR20160039366A publication Critical patent/KR20160039366A/en

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide
    • C01B32/55—Solidifying
    • 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
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dry ice manufacturing apparatus and a dry ice automatic vending machine including the same, and more particularly, to a dry ice automatic vending machine including a dry ice manufacturing apparatus, And a mesh network for filtering the dry ice snow contained in the vaporized gas discharged during the manufacture of dry ice is integrally manufactured and installed in a mesh network set including a filter, thereby facilitating production cost and production.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for manufacturing dry ice and a dry ice vending machine containing the same,

The present invention relates to a dry ice manufacturing apparatus for producing solid ice in a lump state by pressurizing the liquefied carbon dioxide gas (L-CO 2 ) to generate dry ice snow, and a dry ice automatic vending machine including the dry ice producing apparatus. The entire size of the dry ice manufacturing apparatus is reduced so that the dry ice automatic vending machine including the dry ice manufacturing apparatus can be manufactured in a relatively small size such as a vending machine or a daily necessity automatic vending machine.

Dry ice is carbon dioxide which sublimes and solidifies into gas immediately under pressure. The sublimation point of dry ice is -78.5 ° C (-109.3 ° F), and the heat of vaporization (ΔHsub) at -78.5 ° C is 571 kJ / kg . When sublimation to gas and low temperatures are provided, it is cooler than ice and does not leave moisture when the state changes. Dry ice is an effective coolant.

BACKGROUND ART [0002] Currently, a dry ice production apparatus is a dry ice production apparatus for producing dry ice in the form of a square block, a nugget, a pellet, or a plate. In Korean Patent Laid-Open Publication No. 1993-0004726, a dry ice manufacturing apparatus ejects liquefied carbon dioxide gas (L-CO 2 ) into a dry ice molding chamber to generate dry ice snow, And pressed into a press piston to form a solid dry ice. Korean Patent Laid-Open Publication No. 2008-0004089 discloses a dry ice manufacturing apparatus that ejects liquefied carbon dioxide gas (L-CO 2 ) into a hollow portion of a molding chamber to generate dry ice snow, And compressed using a cylinder to form a solid dry ice.

Dry ice is used to keep fruits, vegetables, dairy products, meats, fish, blood, organs and organisms fresh. On the other hand, dry ice in the form of a pellet is used to remove foreign substances (contaminants) adhering to the surface of the object to be cleaned by causing peeling or cracking from the surface of the object to be cleaned. Meanwhile, a conventional dry ice maker adopts a method of generating a dry ice using a dry ice manufacturing device manufactured in a medium and large size, receiving the order from the user, cutting the product to a size desired by the user, and delivering it.

The applicant of the present invention has proposed a dry ice production apparatus in which the structure of a dry ice production apparatus is greatly improved and installed in an outdoor facility such as a fishing spot, a swimming pool, an auto camping site, We are working on developing a vending machine. Dry ice vending machines should be manufactured to be relatively small in size, such as drinks and daily necessities. In the case of dry ice vending machines, the size of the dry ice vending machine, which is a core constituent, determines the size of the dry ice vending machine.

Conventional medium- and large-sized dry ice manufacturing apparatuses are realized by arranging a plurality of press mechanisms vertically or horizontally, thereby making it possible to stably manufacture dry ice. However, since the apparatus is large in size, it can not be mounted on a dry ice vending machine .

Korean Unexamined Patent Publication No. 2008-0004089 (published January 2008, 2008) Korean Unexamined Patent Publication No. 1993-0004726 (published March 23, 1993) Japanese Patent Laid-Open Publication No. 1998-236814 (published September 1998) Japanese Patent Application Laid-Open No. 1999-116224 (published April 28, 1999)

The present invention has been proposed in the background as described above, and it is an object of the present invention to provide a dry ice manufacturing apparatus and a dry ice automatic vending machine including the dry ice manufacturing apparatus which can manufacture the apparatus with a relatively small size.

It is another object of the present invention to provide a dry ice producing device capable of improving the structure and manufacturing cost of a mesh net for screening dry ice snow contained in a vaporized gas discharged during molding, Vending machine.

Another object of the present invention is to provide a dry ice manufacturing apparatus and a dry ice automatic vending machine including the dry ice manufacturing apparatus, which can reliably operate even when used for a long time by improving a mechanism for discharging solidified dry ice in a molded lump state.

According to one aspect of the present invention, there is provided an apparatus for producing dry ice, comprising a sidewall having a liquefied carbon dioxide (L-CO 2 ) inlet and a gas discharge outlet formed thereon, A tubular forming chamber having a lower openable portion for allowing the solid dry ice to be ejected in the lump state formed by the operation of the press mechanism; A moving member for moving the receiving plate for receiving the dry ice snow produced by adiabatically expanding liquefied carbon dioxide gas (L-CO 2 ) in the tubular forming chamber and the receiving plate to the left and right to open or close the opening of the tubular forming chamber;

An injection nozzle for injecting liquefied carbon dioxide gas (L-CO 2 ) supplied through a supply hose connected to a liquefied carbon dioxide (L-CO 2 ) storage tank into a tubular molding chamber; An exhaust pipe mounted to a vaporizing gas outlet of the tubular forming chamber and exhausting vaporized gas generated during dry ice molding to the outside; A mesh net installed inside the exhaust pipe to filter the dry ice snow contained in the vaporized gas from being exhausted to the outside; And a controller for controlling the operation of the pressing mechanism and the moving member in the cylindrical shaping chamber.

According to the present invention, the mesh net includes a first mesh portion having a clearance hole, a first mesh portion formed on one surface, a filter for passing the vaporized gas discharged during dry ice molding and filtering the dry ice snow, And a second mesh portion formed on the other surface and having a clearance hole.

According to a further aspect of the present invention, there is provided an apparatus for manufacturing a dry ice, which is installed in a lower part of a receiving plate, pushes solid dry ice in a lump state discharged through an opening of a tubular forming chamber, Further comprising a plunger for discharging.

A dry ice vending machine according to a further aspect of the present invention comprises a dry ice producing device, a money input port, a dry ice discharge port for discharging the solidified dry ice in a molded lump state, a user operation section for receiving a user operation command, And a controller for controlling operations of the pressing mechanism and the moving member in the tubular forming chamber of the dry ice producing apparatus, wherein the controller comprises: a money discriminating unit for discriminating the money put into the money charging slot; A purchase information recognizing unit for recognizing the dry ice purchase information according to the operation command inputted from the user operation unit; A molding processing unit for generating solid dry ice in a lump state by controlling the operation of the pressing mechanism and the moving member in the tubular molding chamber based on the dry ice purchase information recognized by the purchase information recognizing unit and the money information identified in the money identifying unit .

The apparatus for manufacturing a dry ice according to the present invention is characterized in that a press mechanism is formed in the cylindrical shaping chamber so as to be movable up and down and includes a moving member for moving the receiving plate to the left and right so that the size of the cylindrical shaping chamber can be made small So that there is a useful effect of reducing the overall size of the dry ice manufacturing apparatus.

In addition, since a single mesh network is realized by integrating the filter between the first and second mesh portions, it is not necessary to mount a plurality of mesh portions on the exhaust pipe, thereby facilitating production cost and manufacturing.

Further, the connecting joint for connecting the moving member and the receiving plate is realized as a joint that transmits the power of the moving member to the receiving plate even though the first axis through which the moving member moves is different from the second axis through which the receiving plate moves, The receiving plate moving according to the movement can be stably inserted into the opening of the tubular forming chamber.

1 is an exemplary view for explaining a dry ice manufacturing apparatus according to the present invention.
2 to 5 are diagrams for explaining the inside of a dry ice manufacturing apparatus according to the present invention.
6 is an exemplary view for explaining a process of discharging solidified dry ice in a lump state in a dry ice producing apparatus according to the present invention.
7 is a block diagram of a dry ice vending machine including a dry ice manufacturing apparatus according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus for manufacturing a dry ice according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an exemplary view for explaining a dry ice manufacturing apparatus according to the present invention, and FIGS. 2 to 5 are illustrations for explaining the inside of a dry ice manufacturing apparatus according to the present invention. 1 and 2, the apparatus 100 for manufacturing a dry ice according to the present invention includes a tubular molding chamber 110, a moving member 120, an exhaust pipe 130, and a discharge unit 140 Can be implemented.

In the cylindrical shaping chamber 110, a liquefied carbon dioxide gas (L-CO 2 ) inlet port 111 and a vaporizing gas outlet port (112 in FIG. 2) are formed on the side wall, and a press mechanism 113 is vertically moved Respectively. The tubular forming chamber 110 has an opening 114 with its bottom opened so as to discharge the solidified dry ice in a lump form formed by the operation of the first press mechanism 113 as shown in Fig.

The moving member 120 moves the receiving plate 121 (see FIG. 2) for receiving the dry ice snow produced by adiabatically expanding the liquefied carbon dioxide gas (L-CO 2 ) in the tubular forming chamber 110, The opening (114 in Fig. 2) of the chamber 110 is opened or closed. The exhaust pipe 130 is attached to a vaporizing gas outlet (reference numeral 112 in FIG. 2) of the tubular forming chamber 110, and exhausts vaporized gas generated during dry ice molding to the outside.

Referring to FIG. 3, an injection nozzle 115 for injecting liquefied carbon dioxide gas (L-CO 2 ) into the cylindrical forming chamber 110 is installed. Spray nozzle 115 spraying the liquefied carbon dioxide (CO-L 2) and the liquefied carbon dioxide storage tank (L-CO 2) supplied via a supply hose connected to the inner cylindrical forming chamber (110). As shown in Fig. 3 (b), the injection nozzle 115 is provided with a piston 113b mounted on the cylinder 113a of the press mechanism 130, Can be set to have an angle?

As another example, the injection nozzle 115 ejects liquefied carbon dioxide gas (L-CO 2 ) toward the press mechanism 130 and ejects the liquid from the center of the piston 113b of the press mechanism 130 by a distance of ¼ or more, (L-CO 2 ) in the region corresponding to the area where the liquefied carbon dioxide gas is supplied. When the liquefied carbon dioxide gas (L-CO 2 ) injected through the injection nozzle 115 adiabatically expands and becomes dry ice snow and accumulates on the receiving plate (reference numeral 121 in FIG. 2) in the tubular molding chamber 110, More than the edge portion. When the dry ice snow is accumulated in the center portion more than the rim portion, the dry ice produced when the dry ice is generated by pressing with the press mechanism 130 becomes hard.

In addition, since the injection nozzle 115 is injected toward the press mechanism 130, the amount of dry ice snow that is scattered and scattered in the cylindrical forming chamber 110 and discharged to the outside through the exhaust pipe 130 together with the vaporized gas Can be reduced.

Referring to FIG. 4, a mesh net 135 is installed inside the exhaust pipe 130 to filter the dry ice snow contained in the vaporized gas from being exhausted to the outside. The mesh net 135 is embodied to include first and second mesh portions 1351 and 1353 having clearance holes and a filter 1352 for passing the vaporized gas discharged during dry ice molding and filtering the dry ice snow .

The size of the clearance holes of the first and second mesh portions 1351 and 1353 is preferably designed in consideration of the efficiency of discharging the vaporized gas and filtering the dry ice snow. Among the papers currently published, according to the description of "Development of CO 2 Phase Change Nozzle for Nuclear Decontamination", the particle size of dry ice snow is reported to be several 탆 to 20 탆. Therefore, the size of the clearance holes of the first and second mesh portions 1351 and 1353 is preferably 5 占 퐉 or more and 50 占 퐉 or less.

As a result of the study, when the size of the gap between the first and second mesh portions 1351 and 1353 is 5 mu m or less, the exhaust gas is not smoothly exhausted. If the size is 50 mu m or more, And the amount of dry ice snow contained in the exhaust gas was discharged to the outside.

The first and second mesh portions 1351 and 1353 may be formed of any one of a thin film formed of polyvinylidene fluoride (PVDF), a fabric, a steel sheet, a resin sheet, a combination filter, a sintered metal filter, . The filter 1353 is selected in consideration of the capability of filtering the dry ice snow and the exhausting performance of the vaporized gas, and can be preferably implemented as a sand filter.

The sand filter may be formed by stacking a first sand layer, a second sand layer, a third sand layer, and a gravel bottom layer. The grade and size of the sand constituting the first, second and third sand layers can be varied in quality and diameter considering the efficiency of discharging vaporized gas and filtering dry ice snow.

5, the moving member 120 and the receiving plate 121 are coupled by a connecting joint 122, and the connecting joint 122 includes a first shaft on which the moving member 120 moves and a receiving plate 121, Even though the second axis is different from the first axis, the first axis and the second axis are connected to transmit the power of the moving member 120 to the receiving plate 121. For example, connection joint 122 may be implemented as a universal joint.

The apparatus for manufacturing a dry ice according to the present invention further includes a plunger 123 installed below the receiving plate 121. 6 (a) and 6 (b), the plunger 123 moves along the movement of the moving member 120 as the receiving plate 121 and through the opening 114 of the tubular molding chamber 110 And a plunger 123 for pushing out the discharged solidified dry ice D in the lump state to the outside.

7, the dry ice vending machine 200 according to the present invention includes a dry ice manufacturing apparatus 210, a money input port 220, a discharge port 230, a user who receives a user operation command, And includes an operation unit 240 and a controller 250. The discharge port 230 includes a discharging outlet for discharging dry ice from the solidified dry ice in a molded lump state and an outlet for discharging a coin or banknote.

The controller 250 includes a money identification unit for identifying the money put in the money input port, a purchase information recognition unit for recognizing the dry ice purchase information according to the operation command input from the user operation unit 240, And a molding processing section for producing solidified dry ice in a lump state by controlling the operation of the pressing mechanism and the moving member in the tubular molding chamber based on the dry ice purchase information and the money information identified in the money identifying section. Here, the purchase information may be information including the quantity, size, or quantity and size of dry ice desired by the user.

The dry ice automatic vending machine 200 according to the present invention can be implemented by including a liquefied carbon dioxide gas storage tank for storing liquefied carbon dioxide gas (L-CO 2 ) although not shown in FIG. Liquefied carbon dioxide (L-CO 2 ) is transported through a vehicle from a salesperson responsible for the area where the dry ice vending machine is installed, to the liquefied carbon dioxide gas storage tank contained in the dry ice vending machine 200, 2 can be charged.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Will be clear to those who have knowledge of.

100: Device for manufacturing dry ice
110: tubular forming chamber
111: Liquefied carbon dioxide gas (L-CO 2 ) inlet
112: vaporizing gas outlet
113: Press mechanism
113a: cylinder 113b: piston
114: opening
120: moving member 121: receiving plate
122: connecting joint 123:
130: Exhaust pipe 140:
135: mesh network
1351: first mesh portion 1353: second mesh portion
1352: Filter

Claims (10)

(L-CO 2 ) inlet and a vaporizing gas outlet are formed on the side wall, a press mechanism is formed on the upper portion so as to be movable up and down, and the solid dry ice in a lump form formed by the operation of the press mechanism is discharged A tubular forming chamber having an opening whose bottom is opened so as to be able to be opened;
A receiving plate for receiving dry ice snow produced by expanding adiabatically liquefied carbon dioxide gas (L-CO 2 ) in the tubular forming chamber; and a moving plate for moving the receiving plate to the left and right to open or close the opening of the tubular forming chamber absence;
An injection nozzle for injecting liquefied carbon dioxide gas (L-CO 2 ) supplied through a supply hose connected to a liquefied carbon dioxide (L-CO 2 ) storage tank into the tubular molding chamber;
An exhaust pipe mounted to a vaporizing gas outlet of the tubular forming chamber and exhausting vaporized gas generated during dry ice molding to the outside;
A mesh net installed in the exhaust pipe to filter the dry ice snow contained in the vaporized gas from being exhausted to the outside; And
A controller for controlling the operation of the pressing mechanism and the moving member in the tubular forming chamber;
Wherein the dry ice producing device comprises: The method according to claim 1,
The mesh network comprises:
A first mesh portion having a clearance hole;
A filter for filtering the dry ice snow that has passed through the first mesh portion;
And a second mesh portion having a clearance hole for discharging vaporized gas passing through the filter,
The first mesh portion, the filter, and the second mesh portion are integrally formed,
Wherein the dry ice producing apparatus comprises: The method according to claim 1,
The first and second mesh portions may be formed of a metal,
The size of the clearance hole is 5 탆 or more and 50 탆 or less,
Wherein the dry ice producing apparatus comprises: The method according to claim 2 or 3,
The first and second mesh portions may be formed of a metal,
A thin film made of polyvinylidene fluoride (PVDF), a fabric, and a material made of steel,
Wherein the dry ice producing apparatus comprises: The method according to claim 1,
The filter may be a sand filter,
Wherein the dry ice producing apparatus comprises: The method according to claim 1,
The dry ice producing apparatus comprises:
A plunger installed at a lower portion of the receiving plate and pushing the solid dry ice in a lump state discharged through an opening of the tubular molding chamber while moving together with the receiving plate in accordance with an operation of the moving member and discharging the solid dry ice to the outside;
Further comprising: a drying unit for drying the dry ice. The method according to claim 1,
The moving member and the receiving plate are coupled by a connecting joint,
Wherein the connection joint is a joint that connects the first shaft and the second shaft to transmit the power of the moving member to the receiving plate even though the first axis through which the moving member moves is different from the second axis through which the receiving plate moves, that,
Wherein the dry ice producing apparatus comprises: The method according to claim 1,
The spray nozzle
The upper surface of the press mechanism is set to be not less than 30 degrees and not more than 60 degrees,
Wherein the dry ice producing apparatus comprises: The method according to claim 1,
The injection nozzle is, liquefied carbon dioxide gas (L-CO 2) within but ejecting the liquefied carbon dioxide gas (L-CO 2) the area corresponding to the distance of ¼ or more, ⅓ or less of the radius from the pressing mechanism oriented toward the press mechanism ,
Wherein the dry ice producing apparatus comprises: Claims [1] - [3] An apparatus for manufacturing a dry ice according to any one of claims 1 to 3 and claim 5 to 9, a money input port, a dry ice discharge port for discharging solidified dry ice in a molded lump state, A dry ice automatic vending machine comprising:
A money identifying unit for identifying money inserted into the money input port;
A purchase information recognizing unit for recognizing the dry ice purchase information according to an operation command input from the user operation unit;
The operation of the pressing mechanism and moving member in the tubular forming chamber of the dry ice producing apparatus is controlled based on the dry ice purchase information recognized by the purchase information recognizing section and the money information identified by the money identifying section, A molding processing unit for generating dry ice;
Wherein the dry ice automatic vending machine comprises:
KR1020140132315A 2014-10-01 2014-10-01 Device for manufacturing dry ice and dry ice vending machine containing the same KR20160039366A (en)

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KR1020140132315A KR20160039366A (en) 2014-10-01 2014-10-01 Device for manufacturing dry ice and dry ice vending machine containing the same

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Application Number Priority Date Filing Date Title
KR1020140132315A KR20160039366A (en) 2014-10-01 2014-10-01 Device for manufacturing dry ice and dry ice vending machine containing the same

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KR20160039366A true KR20160039366A (en) 2016-04-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109362722A (en) * 2018-12-11 2019-02-22 徐州徐薯薯业科技有限公司 A kind of agricultural fumigant preparation facilities containing dry ice ingredient
CN113877340A (en) * 2021-09-08 2022-01-04 洪一渊 Environment-friendly mine air current eduction gear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109362722A (en) * 2018-12-11 2019-02-22 徐州徐薯薯业科技有限公司 A kind of agricultural fumigant preparation facilities containing dry ice ingredient
CN113877340A (en) * 2021-09-08 2022-01-04 洪一渊 Environment-friendly mine air current eduction gear

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