CN114251885A - Continuous circulation type industrial small-sized rapid ice making system - Google Patents
Continuous circulation type industrial small-sized rapid ice making system Download PDFInfo
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- CN114251885A CN114251885A CN202110183842.5A CN202110183842A CN114251885A CN 114251885 A CN114251885 A CN 114251885A CN 202110183842 A CN202110183842 A CN 202110183842A CN 114251885 A CN114251885 A CN 114251885A
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- refrigerant
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 236
- 239000003507 refrigerant Substances 0.000 claims abstract description 158
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 81
- 238000001816 cooling Methods 0.000 claims description 60
- 238000003860 storage Methods 0.000 claims description 44
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- 238000007710 freezing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 11
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012267 brine Substances 0.000 claims description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- WKVZMKDXJFCMMD-UVWUDEKDSA-L (5ar,8ar,9r)-5-[[(2r,4ar,6r,7r,8r,8as)-7,8-dihydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-9-(4-hydroxy-3,5-dimethoxyphenyl)-5a,6,8a,9-tetrahydro-5h-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one;azanide;n,3-bis(2-chloroethyl)-2-ox Chemical compound [NH2-].[NH2-].Cl[Pt+2]Cl.ClCCNP1(=O)OCCCN1CCCl.COC1=C(O)C(OC)=CC([C@@H]2C3=CC=4OCOC=4C=C3C(O[C@H]3[C@@H]([C@@H](O)[C@@H]4O[C@H](C)OC[C@H]4O3)O)[C@@H]3[C@@H]2C(OC3)=O)=C1 WKVZMKDXJFCMMD-UVWUDEKDSA-L 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 235000013305 food Nutrition 0.000 description 3
- 235000013611 frozen food Nutrition 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 101100493710 Caenorhabditis elegans bath-40 gene Proteins 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000021067 refined food Nutrition 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 150000003839 salts Chemical group 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/10—Producing ice by using rotating or otherwise moving moulds
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/22—Construction of moulds; Filling devices for moulds
- F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/22—Construction of moulds; Filling devices for moulds
- F25C1/25—Filling devices for moulds
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
- F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
- F25C5/08—Apparatus for disintegrating, removing or harvesting ice without the use of saws by heating bodies in contact with the ice
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/06—Multiple ice moulds or trays therefor
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/14—Water supply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to an industrial small-sized rapid ice-making system, and more particularly, to a continuous circulation type industrial small-sized rapid ice-making system, which divides a water tank into a plurality of stages, provides a plurality of heat exchangers and a binary refrigerator, cools and supplies water for making ice, cools a refrigerant for making ice 1 and 2 times and supplies the cooled refrigerant to the divided water tanks, respectively, and maintains the refrigerant at a certain temperature to prepare homogeneous ice.
Description
Technical Field
The present invention relates to an industrial small-sized rapid ice-making system, and more particularly, to a continuous circulation type industrial small-sized rapid ice-making system, which divides a water tank into a plurality of stages, provides a plurality of heat exchangers and a binary refrigerator, cools and supplies water for making ice, cools a refrigerant for making ice 1 and 2 times and supplies the cooled refrigerant to the divided water tanks, respectively, maintains the refrigerant at a certain temperature, and makes uniform ice.
Background
In general, ice is used for various purposes in various industrial fields such as aquatic products, poultry processing and freshness maintenance, food processing, and chemical plants. Particularly, when products such as aquatic products and poultry are shipped, ice is supplied before packaging to maintain processing and freshness and prevent putrefaction.
As described above, ice is widely used in various industrial fields, and is produced in large quantities by an industrial ice maker, is crushed by an industrial ice crusher, is temporarily stored in an industrial large-capacity warehouse ice bank, and is secondarily supplied to each supply place.
The industrial ice maker is a rectangular ice cube filled with a predetermined amount of sterilized water
Then, the ice cubes were filled with a 9 ℃ cooling solution, and the water in the ice cubes was frozen.
Then, the water in the large ice cubes is frozen from the edge, taken out when the water is frozen to a certain degree, washed, crushed by an ice crusher and packaged.
However, such large-sized industrial ice makers and industrial ice crushers require expensive equipment only when they are installed, and have a problem of increasing investment costs due to a large installation area.
On the other hand, there have been disclosed methods for producing ice, such as an air freezing method, a contact freezing method, a soak freezing method, a liquefied gas freezing method, and a low-temperature osmotic pressure dehydration freezing method.
As an example of such an ice making method, a preparation apparatus of an ice container of korean laid-open patent publication No. 10-2003-0039535 is disclosed.
As shown in fig. 1, the ice container preparing apparatus is an apparatus for preparing an ice container, which includes: a main body frame 10 having a plurality of rollers 12 mounted on a bottom surface thereof; a moving frame 20 having a material tank 22 and a circulation tank 24 mounted on an upper portion of the main body frame 10, and moving cylinders 25 mounted on both lower sides thereof and fixed to and reciprocated by the moving cylinders 25; an upper mold part 30 composed of a fixed frame 38, the fixed frame 38 being moved up and down by a lift cylinder 36 attached to the moving frame 20 at the middle between the raw material tank 22 and the circulation tank 24, guide rods 32 formed at both sides of the lower part of the moving frame 20 being guided by guide frames 26 formed at the moving frame 20, and a plurality of screw shafts 35 each having an upper mold 34 being fastened to the bottom end thereof; a cooling tank 40 connected to the raw material tank 22 and the supply pipe at a middle side of the main body frame 10, having a drain passage 42 and a drain hole 44 formed thereon, and detachably provided with a plurality of lower molds 45; a conveying unit 50 provided with a plurality of conveying rollers 54 and a conveying belt 56 driven by a driving motor 52 on the cooling bath 40 side; and a plurality of refrigerators 70 in which a circulation pump 60 for connecting the circulation tank 24 and the cooling tank 40 to each other and circulating water is provided at a lower portion of the main body frame 10, and one side of the refrigerator is connected to the cooling tank 40 to circulate a refrigerant.
However, such a conventional ice container manufacturing apparatus has a problem that mass production is impossible because the ice making speed is relatively slow.
To solve this problem, the applicant of the present application developed and registered a continuous circulation type industrial small rapid ice making system of korean patent publication No. 10-2116881.
As shown in fig. 2 to 8, the continuous circulation type industrial small rapid ice-making system 100 includes: a main frame F1, a sub frame F2, a conveying sprocket SP, a conveying tray chain 110, an ethanol tank 120, a hot air blower 130, a discharge chute 140, a water quantitative discharger 150, a circulation pump P, a heat exchanger 160, an air knife 170, a water storage tank ST1, and an ethanol storage tank ST 2.
First, the main frame F1 is formed in a rectangular shape, and at this time, the main frame F1 lowers the ice mold M filled with a certain amount of water from the water constant-volume discharger 150 to the ethanol tank 120, and has a pair of guide rollers R at front and rear ends thereof, respectively, to raise the ice mold M cooled in the ethanol tank 120.
The sub-frame F2 is additionally provided on one side of the main frame F1.
The conveying sprocket SP is provided at the front and rear ends of the main frame F1, and rotates by the driving motor M to turn and transfer the ice mold M moving along the upper portion of the main frame F1 to the lower portion, and to turn it again when transferring from the lower portion to the upper portion.
Further, the transfer tray chain 110 continuously rotates along the main frame F1 by the conveying sprocket SP, and is provided with a plurality of ice molds M. At this time, the ice mold M is made of a metal material such as aluminum which has excellent thermal conductivity and is not broken at low temperature, and both ends of the rectangular tray shape are fixed to the transfer tray chain 110.
Next, the ethanol tank 120 is installed at the upper end of the main frame F1, and stores ethanol as a refrigerant therein, and soaks the ice molds M moving along the transfer tray chain 110, at this time, the bottom surface of the ethanol tank 120 is provided with a plurality of discharge control valves V1 and a plurality of supply control valves V2, ethanol is collected at the discharge control valves V1, a plurality of grooves 121 are formed at the grooves 121, which are bent downward, without interference between the supply control valves V2 and the ice molds M, discharge control valves V1 and supply control valves V2 are installed at the grooves 121, each discharge control valve V1 is connected to the circulation pump P through a discharge line L1, and each supply control valve V2 is connected to the heat exchanger 160 through a supply line L2.
Also, in order to smoothly flow the ethanol as a whole, the ethanol tank 120 is adjusted to have a uniform amount and flow as a whole by the discharge control valve V1 and the supply control valve V2, and in order to minimize heat loss of the ethanol at-60 ℃, it is preferable to make the tank shape of polyurethane rigid foam.
Then, the heat blower 130 includes: a hot air heater 131 for 1 time provided at the lower end of the ethanol tank 120 on the main frame F1 in order to apply hot air to the ice mold M soaked in the ethanol tank 120 after freezing is completed; and a hot air heater 133 for 2 times installed at the rear end of the hot air heater 131 for 1 time and applying hot air to the ice mold M. In this case, the 1 st and 2 nd hot air heaters 131 and 133 generate heat by heat rays and discharge hot air by the blowing fan, and the 2 nd hot air heater 133 may discharge hot air having a higher temperature than the 1 st hot air heater 131.
The discharge chute 140 is provided at the lower end of the main frame F1, and discharges the small ice dropped from the ice mold M by the hot air generated by the hot air heaters 131 and 133 of the hot air blower 130 for 1 or 2 times. At this time, in order to slide the small ice and drop and discharge it, it is preferable that the discharge chute 140 is formed in a funnel shape having one side opened.
In addition, the water constant-rate discharger 150 includes a holder main body 151, a water injection cylinder module 153, a pressurizing module 155, a lifting module 157, and a sliding module 159.
The holder main body 151 is provided at the rear upper end of the main frame F1 on the upper portion of the moving path of the ice mold M. At this time, the holder main body 151 is slidably provided on the main frame F1 back and forth along the guide rail G, and is adjusted in position.
The water injection cylinder module 153 is provided with water injection cylinders 153a arranged in the same number as the number of the grooves of the ice mold M and installed at the upper portion of the holder main body 151, and water filled therein is injected into the ice mold M through the injection pipe T by pressure applied from the upper portion.
The pressurizing module 155 is configured to move up and down on the upper portion of the water injection cylinder module 153 by the vertical rod 156 to pressurize the water injection cylinder module 153, thereby pressurizing the water injection cylinder 153a of the water injection cylinder module 153 and discharging water inside. The pressurizing module 155 has an auxiliary water storage tank ST3 at an upper portion thereof to receive and store water from the water storage tank ST1, thereby filling each of the water filling cylinders 153a of the water filling cylinder module 153 with water.
The lifting module 157 is vertically connected to the upper surface of the pressurizing module 155 as a high-pressure hydraulic cylinder to lift the pressurizing module 155.
The slide module 159 is provided in parallel to the upper portion of the ice mold M in the holder body 151, and each injection pipe T connected to the water injection cylinder 153a is fixed, slides back and forth along with the movement of the ice mold M, and injects water into the ice mold M. At this time, the slide module 159 slides back and forth along the electric ball screw B.
The circulation pump P is provided in the sub-frame F2, receives the ethanol heated in the ethanol tank 120 through the discharge line L1, discharges the ethanol to the heat exchanger 160, and circulates the ethanol cooled in the heat exchanger 160 to the ethanol tank 120 through the supply line L2.
The heat exchanger 160 is provided in the sub-frame F2, and cools and supplies the ethanol circulated by the circulation pump P to the ethanol tank 120.
Next, the air knife 170 is installed on the main frame F1, and the ice mold M discharged from the ethanol tank 120 disperses the high-pressure air supplied from the compressor (not shown) to remove the ethanol. At this time, it is preferable that the air knife 170 is disposed with an inclination at the discharge side of the ethanol tank 120 so that the ethanol dropped from the ice mold M due to the high pressure air falls to the ethanol tank 120.
The water tank ST1 is provided at the upper end of the sub-frame F2 and supplies water to the water dispenser 150.
Next, an ethanol storage tank ST2 is additionally provided near the sub-frame F2, and ethanol is replenished to the ethanol tank 120 by the circulation pump P.
However, such a conventional continuous circulation type industrial small rapid ice making system has the following problems: one ethanol tank corresponds to one heat exchanger, that is, ethanol is cooled and supplied by a refrigerator, so that the temperature of ethanol in the ethanol tank cannot be maintained constant, and since normal-temperature water stored in a water storage tank is supplied to a water quantitative discharger, the temperature of ethanol is increased when ice is made, resulting in a large amount of time required for making ice, making it difficult to prepare homogeneous ice.
In addition, the existing continuous circulation type industrial small-sized rapid ice making system has the following problems: the ice mold is heated by the hot air blower to drop ice, and then the ice mold with increased temperature is put into the ethanol tank, so that dew condensation occurs on the ice mold, and thus the ethanol is diluted and the freezing performance is reduced.
Also, the existing continuous circulation type industrial small-sized rapid ice making system has another problem: since the upper side of the ethanol tank is exposed to the outside air, heat is discharged to the outside air to cause a reduction in freezing efficiency, thereby wasting a large amount of energy.
Further, the conventional continuous circulation type industrial small-sized rapid ice making system has a problem in that: tap water or underground water is directly stored in a water storage tank, and edible ice cannot be prepared in areas with poor water quality.
[ Prior art documents ]
[ patent document ]
(patent document 001) Korean laid-open patent publication No. 10-2003-0039535
(patent document 002) Korean registered patent publication No. 10-2116881
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a continuous circulation type industrial small rapid ice making system, which divides a tank into a plurality of stages, provides a plurality of heat exchangers and a binary refrigerator, cools and supplies water for making ice, cools a refrigerant for making ice 1 and 2 times, and supplies the cooled refrigerant to the divided water tanks, respectively, to maintain the refrigerant at a certain temperature, thereby preparing homogeneous ice.
Another object of the present invention is to provide a continuous circulation type industrial small rapid ice making system, which prevents a decrease in freezing performance due to dilution of ethanol by cooling an ice mold, which has been heated by a hot air heater to drop ice and then increased in temperature, by cooling the ice mold.
Another object of the present invention is to provide a continuous circulation type industrial small rapid ice making system in which a heat insulating cover is provided on a refrigerant tank to prevent exposure to external air, thereby relatively improving freezing efficiency and energy efficiency.
In addition, another object of the present invention is to provide a continuous circulation type industrial small rapid ice making system which stores tap water or ground water purified by a water purifier in a water storage tank, thereby making it possible to prepare edible ice in regions with poor water quality.
To achieve the above object, the present invention is characterized in that:
the method comprises the following steps: a main frame formed in a rectangular shape; a sub-frame disposed on one side of the main frame; a transmission sprocket provided at front and rear ends of the main frame and rotated by a driving motor; a conveying tray chain continuously rotating along the main frame by the conveying sprocket and provided with a plurality of ice molds; a refrigerant tank disposed at an upper end of the main frame, in which a1 st refrigerant is stored as a refrigerant, soaks the ice mold moving along the conveying tray chain, and has a plurality of refrigerant storage space parts divided into a plurality of sections; the hot air blower is arranged at the lower end of the main frame and applies hot air to the ice mold which is soaked in the refrigerant groove and finishes freezing; a discharge chute provided at a lower end of the main frame, for discharging the small ice falling from the ice mold by the hot air of the hot air blower; a water quantitative discharger which is arranged on one side of the upper end of the main frame and fills the ice mold with water; a plurality of refrigerant circulation pumps provided in the sub-frame, for circulating the 1 st refrigerant stored in each refrigerant storage space portion of the refrigerant tank; a plurality of cooling heat exchangers provided in the sub-frame, respectively cooling the 1 st refrigerant circulating by the respective ethanol circulation pumps, and supplying the cooled refrigerant to the respective refrigerant storage spaces; a plurality of binary refrigerators disposed outside, for circulating the 2 nd refrigerant to the cooling heat exchangers, so that the 1 st refrigerant is heat-exchanged with the 2 nd refrigerant at the cooling heat exchangers and is cooled; and an air-cooled refrigerator which is provided in the main frame, is connected to any one of the plurality of binary refrigerators, circulates and cools a 3 rd refrigerant, exchanges heat with air to cool the air, and discharges the cooled air to the ice mold of the transfer tray chain supplied to the water constant-volume discharger to cool the ice mold.
Wherein the continuous circulation type industrial small rapid ice making system further comprises: an air knife which is arranged on the main frame, disperses air to the ice mold discharged from the refrigerant groove and removes the 1 st refrigerant; a water storage tank provided to the sub-frame, supplying water to the water quantitative discharger; a water purifier provided to the sub-frame, purifying water supplied to the water storage tank; a water circulation pump provided in the sub-frame and circulating water in the water storage tank; a water cooling heat exchanger disposed in the sub-frame, for connecting the water circulated by the water circulation pump to any one of the plurality of binary refrigerators, circulating and cooling the 3 rd refrigerant, and performing heat exchange with the water to cool the water to 5 ℃, and storing the cooled water in the water storage tank; and a refrigerant storage tank provided near the sub-frame, for replenishing the 1 st refrigerant to each refrigerant storage space portion of the refrigerant tank by each of the circulation pumps.
Here, the refrigerant tank side and bottom surfaces are made of rigid polyurethane foam in a box shape, and a heat insulating cover is provided thereon, thereby minimizing heat loss of the 1 st refrigerant.
Here, each of the two-stage refrigerators includes a low-temperature stage for cooling the 2 nd refrigerant at a relatively low pressure and a relatively high temperature, and a high-temperature stage for cooling the 2 nd refrigerant at a relatively high pressure and a relatively low temperature.
Here, the plurality of cooling heat exchangers includes: a 1-time cooling heat exchanger which is connected with the low-temperature section of the binary refrigerator, enables the 1 st refrigerant and the 2 nd refrigerant supplied by the refrigerant circulating pump to exchange heat, and cools the 1 st refrigerant to-35 ℃; and 2 times of heat exchangers which are connected with the high-temperature section of the binary refrigerator and the 1 time of cooling heat exchanger, so that the 1 st refrigerant and the 2 nd refrigerant which are cooled by the 1 time of cooling heat exchanger are subjected to heat exchange, and are secondarily cooled to-60 ℃.
Here, a space is defined in the heat insulating protective wall, and the air-cooled refrigerator is provided in the defined space so that cooling air does not flow out to the outside.
Here, the 1 st refrigerant is brine or ethane, the 2 nd refrigerant is a methane refrigerant or a non-azeotropic refrigerant mixture in which ethane and methane are mixed, and the 3 rd refrigerant is any one selected from brine, methane, ethane, propane, a non-organic mixture, an azeotropic refrigerant mixture, and a non-azeotropic refrigerant mixture.
According to the industrial small rapid ice-making system of the continuous circulation type constructed as described above, the tank is divided into a plurality of stages, a plurality of heat exchangers and a binary refrigerator are provided, water for making ice is cooled and supplied, a refrigerant for making ice is cooled 1 and 2 times and supplied to the divided tanks, respectively, and the refrigerant is maintained at a certain temperature to prepare homogeneous ice, whereby small ice can be prepared in a short time.
In addition, according to the present invention, the ice mold is heated by the hot air blower to drop ice, and then the ice mold with the increased temperature is cooled to prevent condensation on the ice mold, thereby preventing the freezing performance from being lowered due to dilution of ethanol.
In addition, according to the present invention, the heat insulation cover is provided on the upper surface of the refrigerant tank to prevent the heat insulation cover from being exposed to the outside air, so that the refrigeration efficiency is relatively improved, thereby improving the energy efficiency.
In addition, according to the present invention, tap water or groundwater is purified by a water purifier and then stored in a water storage tank, whereby edible ice can be prepared in areas with poor water quality.
Drawings
FIG. 1 is a view for explaining a tunnel freezing method of a multi-layer structure of conventional quick-frozen foods;
fig. 2 to 8 are configuration diagrams of a conventional continuous circulation type industrial small rapid ice-making system;
fig. 9 is a configuration perspective view of a continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention;
FIG. 10 is a front view of FIG. 9;
FIG. 11 is a perspective view showing the structure of a refrigerant tank in the continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention;
fig. 12 is a perspective view showing the construction of a cooling system in the continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention;
FIG. 13 is a left side view of FIG. 12;
FIG. 14 is a front view of a partial configuration of an air-cooled freezer in a continuous circulation type industrial compact rapid ice-making system according to one embodiment of the present invention;
fig. 15 is a right side view of fig. 14.
Description of the reference numerals
110: transfer tray chain 120': refrigerant groove
130: the hot air blower 140: discharge chute
150: water quantitative discharger 160': cooling heat exchanger
170: an air knife 180: heat exchanger for water cooling
A1: binary freezer a 2: air-cooled refrigerator
B: water purifier P1: water circulating pump
P2: refrigerant circulation pump ST 1: water storage tank
ST 2: refrigerant storage tank W: heat insulation protective wall body
Detailed Description
Hereinafter, a configuration of a continuous circulation type industrial small rapid ice making system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
In the following description of the present invention, a detailed description of related known functions or configurations will be omitted when it may unnecessarily obscure the subject matter of the present invention. In addition, the terms described below are terms defined in consideration of functions in the present invention, and may be changed according to the intention or custom of a user or an operator. Therefore, the definition should be made based on the entire contents in the present specification.
Fig. 9 is a perspective view showing the construction of a continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention, fig. 10 is a front view of fig. 9, fig. 11 is a perspective view showing the construction of a refrigerant tank in the continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention, fig. 12 is a perspective view showing the construction of a cooling system in the continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention, fig. 13 is a left side view of fig. 12, fig. 14 is a front view showing the construction of a part of an air-cooled refrigerator in the continuous circulation type industrial small rapid ice-making system according to an embodiment of the present invention, and fig. 15 is a right side view of fig. 14.
Referring to fig. 9 to 15, a continuous circulation type industrial small rapid ice-making system 100' according to one embodiment of the present invention includes: a main frame F1, a sub frame F2, a conveying sprocket SP, a conveying tray chain 110, a refrigerant tank 120 ', a hot air blower 130, a discharge chute 140, a water quantitative discharger 150, a refrigerant circulating pump P1, a cooling heat exchanger 160', a binary refrigerator a1, an air-cooled refrigerator a2, an air knife 170, a water storage tank ST1, a water purifier B, a water circulating pump P2, a water cooling heat exchanger 180, and a refrigerant storage tank ST 2.
First, the main frame F1, the sub frame F2, the conveying sprocket SP, the conveying tray chain 110, the hot air blower 130, the discharge chute 140, the air knife 170, the water storage tank ST1, and the refrigerant storage tank ST2 are the same as those of the conventional continuous circulation type industrial small rapid ice-making system 100 shown in fig. 2 to 8, and therefore, the repetitive description thereof will be omitted.
As shown in fig. 11, the cooling medium groove 120' is provided at the upper end of the main frame F1, and is divided into a plurality of stages in the longitudinal direction, and thus has a plurality of cooling medium storage space portions S, each of which stores the 1 st cooling medium and soaks the ice mold M moving along the transfer tray chain 110. In this case, it is preferable that the 1 st refrigerant is salt water or alcohol refrigerant so as to be harmless to human body when ice or food is in contact therewith, and different refrigerants may be supplied to the refrigerant storage space S according to selection to improve freezing efficiency.
In addition, in order to minimize heat loss of the-60 ℃ No. 1 refrigerant, the side and bottom surfaces of the refrigerant tank 120' are made of rigid polyurethane foam in a box shape, and a heat insulating cover C is provided on the top surface.
As shown in fig. 12 and 13, the refrigerant circulation pump P1 is provided between the refrigerant storage spaces S of the refrigerant tank 120 'and the cooling heat exchanger 160' in the subframe F2, discharges the 1 st refrigerant stored in the refrigerant storage spaces S of the refrigerant tank 120 'to the cooling heat exchanger 160', and circulates the 1 st refrigerant, which is cooled by heat exchange with the 2 nd refrigerant in the cooling heat exchanger 160 ', to the refrigerant storage spaces S of the cooling tank 120'.
As shown in fig. 12 and 13, the cooling heat exchanger 160 'is provided in the sub-frame F2, and cools the 1 st refrigerant to-60 ℃ by exchanging heat between the 1 st refrigerant circulating through the circulation pump P and the 2 nd refrigerant of the binary refrigerator a1, and supplies the cooled 1 st refrigerant to the refrigerant tank 120'.
At this time, each of the cooling heat exchangers 160' includes a 1-time cooling heat exchanger 161 and a 2-time heat exchanger 163, and the first cooling heat exchanger 161 is connected to a low-temperature stage L of a binary refrigerator a1 described below, and performs heat exchange between the 1 st refrigerant and the 2 nd refrigerant supplied by a refrigerant circulation pump P1, and cools the refrigerant 1 time to-35 ℃; the 2-time heat exchanger is connected with the high-temperature section H of the binary refrigerator A1 and the 1-time cooling heat exchanger, so that the 1 st refrigerant and the 2 nd refrigerant which are cooled by the 1-time cooling heat exchanger 161 are subjected to heat exchange and are secondarily cooled to-60 ℃. That is, if there are two binary refrigerators a1, the 1 st cooling heat exchanger 161 and the 2 nd cooling heat exchanger 163 form one pair, and two pairs are installed, and if there are three binary refrigerators a1, the 1 st cooling heat exchanger 161 and the 2 nd cooling heat exchanger 163 form one pair, and three pairs are installed.
Next, as shown in fig. 12 and 13, the binary refrigerator a1 is installed outside the factory, has the same number as the refrigerant storage space S of the refrigerant tank 120 ', circulates the 2 nd refrigerant to the cooling heat exchangers 160 ', and cools the 1 st refrigerant by exchanging heat with the 2 nd refrigerant in the cooling heat exchangers 160 '.
Each of the two-stage refrigerators a1 includes a low-temperature stage L for cooling the 2 nd refrigerant at a relatively low pressure and a high temperature, and a high-temperature stage H for cooling the 2 nd refrigerant at a relatively high pressure and a low temperature. In this case, when the 2 nd refrigerant is a methane-based refrigerant or a non-azeotropic refrigerant mixture of ethane and methane, it is preferable that R23 be used in the low temperature stage L and R404 be used in the high temperature stage H.
Next, as shown in fig. 14 and 15, the air-cooled refrigerator a2 is installed on the main frame F1, is connected to any one of the two-stage refrigerators a1, circulates and cools the 3 rd refrigerant, cools the air by exchanging heat with the air, and discharges the cooled air to the ice mold M of the conveyor tray chain 110 supplied to the constant water amount discharger 150, thereby cooling the ice mold M. At this time, the air-cooled refrigerator a2 is disposed in the space formed by the heat-insulating protective wall W so that the cooling air does not flow out to the outside.
The water purifier B is provided in the sub-frame F2, and purifies the water supplied to the water tank ST 1.
Further, a water circulation pump P2 is provided in the sub-frame F2 to circulate water in the water storage tank ST 1.
The water cooling heat exchanger 180 is provided in the sub-frame F2, and is configured to connect the water circulated by the water circulation pump P2 to any one of the plurality of binary refrigerators a1, circulate and cool the 3 rd refrigerant, and exchange heat with the water to cool the water to 5 ℃. In this case, it is preferable that the 3 rd refrigerant is any one selected from brine, methane, ethane, propane, a non-organic mixture, an azeotropic refrigerant mixture, and a non-azeotropic refrigerant mixture.
Hereinafter, the operation of the continuous circulation type industrial small rapid ice-making system according to the present invention will be described in detail with reference to the accompanying drawings.
First, when the transfer tray chain 110 is transferred by rotating the transfer sprocket SP, the ice mold M is rotated together with the same, and a fixed amount of water is filled into the ice mold M at the water fixed amount discharger 150. At this time, the water quantitative discharger 150 moves back and forth and is filled with water as the ice mold M moves. On the other hand, the water discharged from the constant-volume water discharger 150 is purified and stored in the water storage tank ST1 by the water purifier B, circulated to the heat exchanger 180 by the water circulation pump P2, cooled to 5 ℃, and stored in the water storage tank ST 1.
The water-filled ice mold M advances along the transfer tray chain 110, descends by means of the guide roller R located at the rear of the main frame F1, and soaks into the cooling medium groove 120.
Then, the ice mold M was transferred at a speed of 2M/min in a state of being immersed in the refrigerant tank 120, and was contacted with the 1 st refrigerant of-60 ℃ for 4-5 minutes, so that water was changed into ice crystals.
The ice mold M moves forward in the cooling medium groove 120 along the conveying tray chain 110, ascends by the guide wheel R located in front of the main frame F1, passes through the lower end of the main frame F1 in an inverted state (a vertically erected state in which ice can freely fall) along the conveying sprocket SP located in front of the main frame F1, and is transferred to the side of the conveying sprocket SP located behind the main frame F1.
In this state, the ice mold M passes through the hot air heaters 131 and 133 of the hot air blower 130 1 and 2 times, the ice surface of the ice mold M is melted by hot air, and freely falls from the ice mold M to the discharge chute 140, and the small ice falling down is moved again along the conveyor (not shown) at the discharge chute 140 and transferred to the packaging line.
When the ice-removed ice mold M passes through the space where the air-cooled refrigerator a2 is installed, the ice mold M is cooled by cold air, transferred to the conveying sprocket SP located behind the main frame F1, turned over again, and then filled with a predetermined amount of water in the water constant-volume discharger 150, and the above-described process is repeated.
Meanwhile, the 1 st refrigerant stored in each refrigerant storage space S of the refrigerant tank 120 is heat-exchanged with the 2 nd refrigerant at the cooling heat exchanger 161 by the refrigerant circulation pump P1, and is cooled to-35 ℃ 1 time, and then the 1 st refrigerant cooled to-35 ℃ 1 time is heat-exchanged with the 2 nd refrigerant at the heat exchanger 163 2 times, and is cooled to-60 ℃ 2 times, and then supplied to the refrigerant storage space S, and is maintained at a constant temperature.
On the other hand, the low-pressure end L of each binary refrigerator a1 cools the 2 nd refrigerant, which has been heated by exchanging heat with the 1 st refrigerant, at a relatively low pressure and a relatively high temperature, and the high-pressure end H cools the 2 nd refrigerant, which has been heated by exchanging heat with the 1 st refrigerant, at a relatively high pressure and a relatively low temperature.
In addition, according to another embodiment of the present invention, a tray (not shown) for loading frozen foods (meat, fish, processed foods, etc.) is provided in the conveyor tray chain 110 instead of the ice mold M, so that the frozen foods can be frozen.
While the invention is susceptible of various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawings and are herein described in detail. It should be understood, however, that the invention is not to be limited to the particular forms set forth in the detailed description, but is to be construed as including all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
The present invention can be applied not only to freezing of small ice but also to freezing of frozen food.
Claims (7)
1. A continuous circulation type industrial small rapid ice making system is characterized by comprising:
a main frame formed in a rectangular shape;
a sub-frame disposed on one side of the main frame;
a transmission sprocket provided at front and rear ends of the main frame and rotated by a driving motor;
a conveying tray chain continuously rotating along the main frame by the conveying sprocket and provided with a plurality of ice molds;
a refrigerant tank disposed at an upper end of the main frame, in which a1 st refrigerant is stored, immersing the ice molds moving along the conveying tray chain, and having a plurality of refrigerant storage space parts divided into a plurality of sections;
the hot air blower is arranged at the lower end of the main frame and applies hot air to the ice mold which is soaked in the refrigerant groove and finishes freezing;
a discharge chute provided at a lower end of the main frame, for discharging the small ice falling from the ice mold by the hot air of the hot air blower;
a water quantitative discharger which is arranged on one side of the upper end of the main frame and fills the ice mold with water;
a plurality of refrigerant circulation pumps provided in the sub-frame, for circulating the 1 st refrigerant stored in each refrigerant storage space portion of the refrigerant tank;
a plurality of cooling heat exchangers provided in the sub-frame, respectively cooling the 1 st refrigerant circulating by the respective ethanol circulation pumps, and supplying the cooled refrigerant to the respective refrigerant storage spaces;
a plurality of binary refrigerators disposed outside, for circulating the 2 nd refrigerant to the cooling heat exchangers, so that the 1 st refrigerant is heat-exchanged with the 2 nd refrigerant at the cooling heat exchangers and is cooled; and
and an air-cooled refrigerator which is installed in the main frame, is connected to any one of the plurality of binary refrigerators, circulates and cools a 3 rd refrigerant, exchanges heat with air to cool the air, and discharges the cooled air to the ice mold of the transfer tray chain supplied to the water constant-volume discharger to cool the ice mold.
2. The small rapid ice making system for industrial use of continuous cycle type according to claim 1, further comprising:
an air knife which is arranged on the main frame, disperses air to the ice mold discharged from the refrigerant groove and removes the 1 st refrigerant;
a water storage tank provided to the sub-frame, supplying water to the water quantitative discharger;
a water purifier provided to the sub-frame, purifying water supplied to the water storage tank;
a water circulation pump provided in the sub-frame and circulating water in the water storage tank;
a water cooling heat exchanger disposed in the sub-frame, for connecting the water circulated by the water circulation pump to any one of the plurality of binary refrigerators, circulating and cooling the 3 rd refrigerant, and performing heat exchange with the water to cool the water to 5 ℃, and storing the cooled water in the water storage tank; and
and a refrigerant storage tank provided near the sub-frame, for replenishing the 1 st refrigerant to each refrigerant storage space portion of the refrigerant tank by each of the circulation pumps.
3. The small rapid ice making system according to claim 1, wherein the refrigerant tank is formed in a box shape by polyurethane hard foam at the side and bottom thereof, and is provided with a heat insulating cover thereon, thereby minimizing heat loss of the 1 st refrigerant.
4. The continuous circulation industrial mini rapid ice making system according to claim 1, wherein each of the binary refrigerators comprises:
a low-temperature section for cooling the 2 nd refrigerant at a relatively low pressure and a relatively high temperature; and
the high temperature section of the 2 nd refrigerant is cooled at a relatively high pressure and a relatively low temperature.
5. The small rapid ice making system according to claim 4, wherein the plurality of cooling heat exchangers includes:
a 1-time cooling heat exchanger which is connected with the low-temperature section of the binary refrigerator, enables the 1 st refrigerant and the 2 nd refrigerant supplied by the refrigerant circulating pump to exchange heat, and cools the 1 st refrigerant to-35 ℃; and
and the 2-time heat exchanger is connected with the high-temperature section of the binary refrigerator and the 1-time cooling heat exchanger, so that the 1 st refrigerant and the 2 nd refrigerant which are cooled by the 1-time cooling heat exchanger are subjected to heat exchange, and are secondarily cooled to-60 ℃.
6. The small-sized rapid ice making system for industrial use of continuous circulation type according to claim 3,
the heat insulating protection wall body is divided into spaces, and the air-cooled refrigerator is arranged in the divided spaces so that cooling air does not flow out to the outside.
7. The small-sized rapid ice making system for industrial use of continuous circulation type according to claim 1,
the 1 st refrigerant is saline or ethane;
the 2 nd refrigerant is a methane refrigerant or a non-azeotropic mixed refrigerant formed by mixing ethane and methane;
the refrigerant 3 is any one selected from brine, methane, ethane, propane, non-organic mixture, azeotropic refrigerant mixture and non-azeotropic refrigerant mixture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200116155A KR102183632B1 (en) | 2020-09-10 | 2020-09-10 | System for rapidly making continuous-circulating small-sized ice for industry |
| KR10-2020-0116155 | 2020-09-10 |
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|---|---|
| CN114251885A true CN114251885A (en) | 2022-03-29 |
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| CN202110183842.5A Pending CN114251885A (en) | 2020-09-10 | 2021-02-08 | Continuous circulation type industrial small-sized rapid ice making system |
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| KR (1) | KR102183632B1 (en) |
| CN (1) | CN114251885A (en) |
| WO (1) | WO2022055051A1 (en) |
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| KR102183632B1 (en) * | 2020-09-10 | 2020-11-26 | (주)제이엘피엔지니어링 | System for rapidly making continuous-circulating small-sized ice for industry |
| KR102530539B1 (en) * | 2023-01-12 | 2023-05-16 | 주식회사 탑그린테크 | Method for producing white ice with reduced transparency |
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| GB498412A (en) * | 1937-07-08 | 1939-01-09 | Reinhard Emil Wilhelm Wussow | Improvements in and relating to processes and apparatus for the production of ice and for cooling liquids |
| JPH0771850A (en) * | 1993-08-31 | 1995-03-17 | Mitsui Constr Co Ltd | Ice and snow making and spraying device |
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| KR102116881B1 (en) * | 2020-02-27 | 2020-05-29 | (주)제이엘피엔지니어링 | System for rapidly making continuous-circulating small-sized ice for industry |
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|---|---|---|---|---|
| KR200275917Y1 (en) * | 2001-11-13 | 2002-05-18 | 장광균 | apparatus for manufacturing an ice case |
| JP2010271000A (en) * | 2009-05-25 | 2010-12-02 | Yamato:Kk | Heat storage type refrigerating system |
| KR20160050256A (en) * | 2014-10-29 | 2016-05-11 | 강영환 | Ice maker |
| KR102183632B1 (en) * | 2020-09-10 | 2020-11-26 | (주)제이엘피엔지니어링 | System for rapidly making continuous-circulating small-sized ice for industry |
-
2020
- 2020-09-10 KR KR1020200116155A patent/KR102183632B1/en active IP Right Grant
-
2021
- 2021-01-28 WO PCT/KR2021/001178 patent/WO2022055051A1/en active Application Filing
- 2021-02-08 CN CN202110183842.5A patent/CN114251885A/en active Pending
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|---|---|---|---|---|
| GB498412A (en) * | 1937-07-08 | 1939-01-09 | Reinhard Emil Wilhelm Wussow | Improvements in and relating to processes and apparatus for the production of ice and for cooling liquids |
| JPH0771850A (en) * | 1993-08-31 | 1995-03-17 | Mitsui Constr Co Ltd | Ice and snow making and spraying device |
| KR20030039535A (en) * | 2001-11-13 | 2003-05-22 | 장광균 | apparatus for manufacturing an ice case |
| US20030106327A1 (en) * | 2001-12-12 | 2003-06-12 | John Zevlakis | Commercial ice making apparatus and method |
| KR101324167B1 (en) * | 2011-08-18 | 2013-11-05 | 엘지전자 주식회사 | An apparatus for water purifier having plural ice making modes and a methoed for ice making |
| KR20130121627A (en) * | 2012-04-27 | 2013-11-06 | 인 이 | Ice-making and cooling system |
| CN107289699A (en) * | 2017-08-18 | 2017-10-24 | 浙江冰欧新能源科技有限公司 | A kind of Novel movable ice machine |
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| WO2022055051A1 (en) | 2022-03-17 |
| KR102183632B1 (en) | 2020-11-26 |
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