WO2020158131A1 - Système de production de coulis de glace - Google Patents

Système de production de coulis de glace Download PDF

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Publication number
WO2020158131A1
WO2020158131A1 PCT/JP2019/046012 JP2019046012W WO2020158131A1 WO 2020158131 A1 WO2020158131 A1 WO 2020158131A1 JP 2019046012 W JP2019046012 W JP 2019046012W WO 2020158131 A1 WO2020158131 A1 WO 2020158131A1
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WO
WIPO (PCT)
Prior art keywords
raw material
ice
material liquid
vertical drum
inner peripheral
Prior art date
Application number
PCT/JP2019/046012
Other languages
English (en)
Japanese (ja)
Inventor
知昭 秋山
怜那 秋山
博 胡
Original Assignee
アイスマン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by アイスマン株式会社 filed Critical アイスマン株式会社
Publication of WO2020158131A1 publication Critical patent/WO2020158131A1/fr

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Classifications

    • 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
    • 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
    • F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
    • F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
    • F25C1/145—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies
    • 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
    • F25C1/18—Producing ice of a particular transparency or translucency, e.g. by injecting air
    • F25C1/20—Producing ice of a particular transparency or translucency, e.g. by injecting air by agitation

Definitions

  • the present invention relates to an ice slurry manufacturing system.
  • ice slurry also called ice slurry, slurry ice, slurry ice
  • Patent Document 1 an invention of a method for maintaining freshness of fresh seafood, in which fresh seafood is instantaneously frozen by immersing the fresh seafood in an ice slurry produced by mixing ice with which salt water with high salinity is frozen and salt water with the same salinity Is disclosed.
  • Patent Document 2 an ice making part for continuously producing ice particles by cooling raw material water containing a component for lowering the freezing point of water, and ice particles fed from the ice making part and the raw material water are uniformly mixed.
  • the invention of the slurry ice manufacturing apparatus provided with the mixing space which performs is disclosed.
  • the present invention has been made in view of such circumstances, and it is possible to use solutions of various types and a wide range of concentrations as raw material liquids, the particle size of ice particles is smaller than in the past, and the adjustment of the ice filling rate is easy.
  • An object of the present invention is to provide a simple ice slurry manufacturing system.
  • the ice slurry manufacturing system is an ice maker that produces fine ice particles, and a raw material liquid is supplied to the ice maker, and the ice particles and the raw material liquid discharged from the ice maker. And a circulation pipe for circulating a raw material liquid between the ice making machine and the tank,
  • the ice making machine includes a vertical drum whose inner peripheral surface is cooled to a temperature 15° C. to 25° C. lower than the freezing point of the raw material liquid, and a rotary shaft which is arranged on the central axis of the vertical drum and rotates at 10 rpm or more.
  • a raw material liquid supply means arranged directly above the vertical drum and supplying a raw material liquid toward the inner peripheral surface of the vertical drum; and a raw material liquid supply means mounted on the rotary shaft and extending in the radial direction of the vertical drum.
  • An arm that rotates together with the rotary shaft, a blade that is attached to a tip portion of the arm and applies a flow velocity to a raw material liquid that flows down an inner peripheral surface of the vertical drum, and is provided on a lower surface of the vertical drum, Equipped with an outlet for discharging ice particles and raw material liquid,
  • the tank is characterized by including an agitator for agitating the ice particles and the raw material liquid stored in the tank.
  • fine ice particles are ice particles with a particle size of about 0.05 mm to 0.1 mm.
  • a flow velocity is applied to the raw material liquid flowing down the inner peripheral surface of the vertical drum, and the raw material liquid flowing down the inner peripheral surface is supercooled (below the temperature that should change during the phase change of the substance).
  • the supercooled raw material liquid separates from the inner peripheral surface of the vertical drum to generate fine ice particles.
  • the produced fine ice particles are discharged from the vertical drum together with the raw material liquid and stored in the tank.
  • the ice particles in the tank By circulating the raw material liquid between the ice maker and the tank, the ice particles in the tank gradually increase. At that time, the ice particles and the raw material liquid in the tank are stirred by a stirrer so that the ice particles in the tank are not bonded to each other and the ice particles and the raw material liquid are uniformly mixed.
  • the raw material liquid supply means has an annular upper plate which is installed immediately above the vertical drum in plan view and has a gap immediately below the upper plate. And a circular lower plate having a diameter smaller than the inner diameter of the vertical drum in plan view, the upper end is fixed along the inner peripheral edge of the upper plate, and the lower end is formed along the inner peripheral edge of the lower plate. And a ring material that is firmly fixed, The raw material liquid is supplied onto the lower plate through a liquid supply port formed in the upper plate, and the raw material liquid is discharged from the outer peripheral edge of the lower plate toward the inner peripheral surface of the vertical drum. Good.
  • the injection nozzle When the injection nozzle is used as the raw material liquid supply means, if the concentration of the raw material liquid is high, the injection hole may be clogged. However, according to the above configuration, even if the concentration of the raw material liquid is high, the inner circumference of the vertical drum is high. The raw material liquid can be supplied toward the surface.
  • fine ice particles can be produced by using various kinds of solutions having a wide range of concentrations as a raw material liquid. Further, since the ice particles in the tank gradually increase, it is easy to adjust the ice filling rate.
  • FIGS. 1 and 2 An ice slurry manufacturing system 10 according to an embodiment of the present invention is shown in FIGS. 1 and 2.
  • the ice slurry manufacturing system 10 is arranged immediately below the ice making machine 11 that produces fine ice particles, stores the ice particles and the raw material liquid discharged from the ice making machine 11, and stores the raw material liquid in the ice making machine 11.
  • the tank 12 for supplying the water, the circulation pipe 13 for circulating the raw material liquid between the ice making machine 11 and the tank 12, and the refrigerator 14 for circulating the refrigerant to the ice making machine 11.
  • Ice particles generated by the ice maker 11 float above the tank 12.
  • the raw material liquid is discharged from the lower portion of the tank 12 and supplied to the upper portion of the ice making machine 11 via the circulation pipe 13.
  • a pump 15 for feeding the raw material liquid to the ice maker 11 and a discharge adjusting valve 16 for adjusting the discharge amount of the raw material liquid are installed in the middle of the circulation pipe 13.
  • FIG. 3 shows a partial cross-sectional perspective view of the ice making machine 11.
  • the ice maker 11 includes a vertical drum 20 whose inner peripheral surface is cooled to a temperature 15° C. to 25° C. lower than the freezing point of the raw material liquid by a refrigerant.
  • a rotating shaft 25 that is rotated by a geared motor 28 at 10 rpm or more is arranged.
  • a plurality of arms 26 extending in the radial direction of the vertical drum 20 and rotating with the rotating shaft 25 are attached to the rotating shaft 25.
  • a blade 27 is attached to apply a flow velocity to the raw material liquid flowing down the inner peripheral surface of the vertical drum 20.
  • a raw material liquid supply means 21 for supplying the raw material liquid toward the inner peripheral surface of the vertical drum 20 is installed directly above the vertical drum 20.
  • the vertical drum 20 has an inner cylinder 20a through which the undiluted solution flows down on the inner peripheral surface, and an outer cylinder 20b surrounding the inner cylinder 20a.
  • the inner cylinder 20a and the outer cylinder 20b are made of steel, and a clearance is provided between the inner cylinder 20a and the outer cylinder 20b.
  • Refrigerant is circulated and supplied from the refrigerator 14 to the clearance via the refrigerant pipe 17.
  • the lower surface of the vertical drum 20 serves as a discharge port 30 for discharging the ice particles and the raw material liquid.
  • the outer peripheral surface of the vertical drum 20 is covered with a cylindrical protective cover 29, and a heat insulating material such as urethane is interposed between the vertical drum 20 and the protective cover 29.
  • the raw material liquid supply means 21 is disposed directly above the vertical drum 20 and is arranged in an annular upper plate 22 in a plan view, and is arranged immediately below the upper plate 22 with a gap of about 3 mm to 5 mm.
  • Two liquid feed ports 22a are formed in the upper plate 22, and the raw material liquid is supplied to the lower plate 23 from the circulation pipe 13 having a bifurcated end portion through the two liquid feed ports 22a. The raw material liquid is discharged from the outer peripheral edge of 23 toward the upper part of the inner peripheral surface of the vertical drum 20.
  • the arm 26 is mounted so as to be symmetrical with respect to the rotation axis 25.
  • the number of arms 26 is two.
  • the blade 27 attached to the tip of each arm 26 is made of a stainless steel plate material having a length substantially equal to the entire length (total height) of the inner cylinder 20a, and the tip is formed into a claw shape having a rake face. (See Figure 4).
  • a blade adjusting screw 32 for adjusting the gap between the tip of the blade 27 and the inner peripheral surface of the vertical drum 20 is attached to the arm 26 behind the blade 27.
  • the tip of the blade 27 and the inner peripheral surface of the vertical drum 20 are not in contact with each other, and have a gap of about 0.1 mm to 0.2 mm.
  • the blade 27 rotating at a high speed gives a flow velocity to the raw material liquid flowing down the inner peripheral surface of the vertical drum 20, and the raw material liquid flowing down the inner peripheral surface is supercooled.
  • the subcooled raw material liquid separates from the inner peripheral surface of the vertical drum 20 to generate fine ice particles.
  • the tank 12 is stirred to stir the ice particles and the raw material liquid stored in the tank 12 so that the ice particles in the tank 12 are not bonded to each other and the ice particles and the raw material liquid are uniformly mixed.
  • the machine 31 is installed.
  • a raw material liquid supply pipe 18 for injecting the raw material liquid into the tank 12 is provided on the upper side surface of the tank 12, and ice for discharging the ice slurry stored in the tank 12 is provided on the lower side surface of the tank 12.
  • a slurry discharge pipe 19 is attached.
  • the raw material liquid is stored in the tank 12 from the raw material liquid supply pipe 18.
  • the raw material liquid may be at room temperature.
  • As the raw material liquid water, an aqueous solution containing chloride, etc., an alcohol solution, a chemical liquid, juice or the like can be used.
  • the refrigerator 14 is operated to lower the temperature of the inner surface of the vertical drum 20. The lower the temperature of the inner surface of the vertical drum 20 is, the higher the ice making capacity is, but the ice making efficiency is lowered in the refrigeration cycle. Therefore, the temperature of the inner surface of the vertical drum 20 is set to a temperature 15° C. to 25° C. lower than the freezing point of the raw material liquid.
  • the geared motor 28 is operated to rotate the rotary shaft 25.
  • the rotation speed of the rotating shaft 25 is 10 rpm or more, preferably 30 rpm or more, more preferably 50 rpm or more.
  • the upper limit of the rotation speed is about 150 rpm, though it depends on the concentration of the raw material liquid.
  • the pump 15 is operated to circulate and supply the raw material liquid from the tank 12 to the ice making machine 11 through the circulation pipe 13 to generate fine ice particles.
  • the discharge amount of the raw material liquid is adjusted by the discharge adjusting valve 16.
  • the particle size of the ice particles is about 0.05 mm to 0.1 mm.
  • the diameter of the ice particles is about 0.5 mm to 1.0 mm because the frozen ice film is peeled off on the inner peripheral surface of the vertical drum.
  • the present invention is not limited to the configuration described in the above embodiment, and other conceivable modifications are possible within the scope of the matters described in the claims. It also includes the examples and modified examples of.
  • the ice maker is arranged directly above the tank, but the ice maker and the tank may be arranged in parallel, and a return pipe may be provided between the ice maker and the tank.
  • the number of blades is two, but it may be three or more.
  • the raw material liquid supply means is not limited to the above embodiment, and for example, the raw material liquid may be discharged toward the inner peripheral surface of the vertical drum from a plurality of pipes radially extending from the rotation shaft. You may
  • the present invention can be used in the production of ice slurries. At this time, according to the present invention, it is not necessary to separately mix the ice and the raw material liquid, and an ice slurry having a predetermined ice filling rate is automatically produced, so that there is no loss of working time and a large amount of ice slurry is obtained. It is possible to produce.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un système de production de coulis de glace permettant d'utiliser une grande variété de solutions d'une large gamme de concentrations en tant que solution de matières premières, et également de régler facilement un taux de remplissage de glace, à l'aide de particules de glace d'un diamètre inférieur au diamètre classique. Le système (10) de production de coulis de glace comprend : une machine de production de glace (11) destinée à produire de fines particules de glace ; un réservoir (12) destiné à alimenter en une solution de matières premières la machine de production de glace (11) et à stocker les particules de glace et la solution de matières premières évacuées de la machine de production de glace (11) ; et une tubulure de circulation (13) destinée à amener la solution de matières premières à circuler entre la machine de production de glace (11) et le réservoir (12). La machine de production de glace (11) comprend : un tambour vertical dans lequel une surface périphérique interne est refroidie à une température inférieure au point de congélation de la solution de matières premières ; un arbre tournant agencé sur un axe central du tambour vertical ; un moyen d'alimentation en solution de matières premières destiné à alimenter la solution de matières premières vers la surface périphérique interne ; et une pale pouvant tourner conjointement avec l'arbre tournant et destinée à communiquer une certaine vitesse d'écoulement à la solution de matières premières coulant vers le bas de la surface périphérique interne. Le réservoir (12) est muni d'un agitateur (31) destiné à agiter les particules de glace et la solution de matières premières à l'intérieur du réservoir (12).
PCT/JP2019/046012 2019-01-28 2019-11-25 Système de production de coulis de glace WO2020158131A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-012167 2019-01-28
JP2019012167A JP6589123B1 (ja) 2019-01-28 2019-01-28 氷スラリー製造システム

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WO2020158131A1 true WO2020158131A1 (fr) 2020-08-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7426441B2 (ja) 2022-06-27 2024-02-01 ニチモウ株式会社 フローアイス製造装置及びフローアイス製造システム

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423075A (en) * 1987-07-17 1989-01-25 Daikin Ind Ltd Ice making equipment
US5261485A (en) * 1991-08-21 1993-11-16 Hpd, Incorporated Slurry distributor
US6301904B1 (en) * 1995-02-27 2001-10-16 Sunwell Engineering Company Limited Ice slurry delivery system
JP2002350017A (ja) * 2001-05-28 2002-12-04 Yatsunori Yotsuya 流動氷製造装置
JP2006029609A (ja) * 2004-07-12 2006-02-02 Takuma Co Ltd 製氷装置
JP2019002614A (ja) * 2017-06-13 2019-01-10 高知県公立大学法人 スラリーアイス製造装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131397A (en) * 1999-03-04 2000-10-17 Boeing North American Inc. Slush producing process and device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423075A (en) * 1987-07-17 1989-01-25 Daikin Ind Ltd Ice making equipment
US5261485A (en) * 1991-08-21 1993-11-16 Hpd, Incorporated Slurry distributor
US6301904B1 (en) * 1995-02-27 2001-10-16 Sunwell Engineering Company Limited Ice slurry delivery system
JP2002350017A (ja) * 2001-05-28 2002-12-04 Yatsunori Yotsuya 流動氷製造装置
JP2006029609A (ja) * 2004-07-12 2006-02-02 Takuma Co Ltd 製氷装置
JP2019002614A (ja) * 2017-06-13 2019-01-10 高知県公立大学法人 スラリーアイス製造装置

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JP6589123B1 (ja) 2019-10-16

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