EP2314959B1 - Wassersprühvorrichtung für eine eisherstellungsmaschine - Google Patents

Wassersprühvorrichtung für eine eisherstellungsmaschine Download PDF

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Publication number
EP2314959B1
EP2314959B1 EP09804870.5A EP09804870A EP2314959B1 EP 2314959 B1 EP2314959 B1 EP 2314959B1 EP 09804870 A EP09804870 A EP 09804870A EP 2314959 B1 EP2314959 B1 EP 2314959B1
Authority
EP
European Patent Office
Prior art keywords
section
ice making
water
water spray
communication
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP09804870.5A
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English (en)
French (fr)
Other versions
EP2314959A4 (de
EP2314959A1 (de
Inventor
Kiyoshi Yamaoka
Takashi Hibino
Nobuo Kondo
Hideyuki Tashiro
Takeshi Ueda
Akira Harata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoshizaki Corp
Original Assignee
Hoshizaki Electric Co Ltd
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Publication date
Application filed by Hoshizaki Electric Co Ltd filed Critical Hoshizaki Electric Co Ltd
Publication of EP2314959A1 publication Critical patent/EP2314959A1/de
Publication of EP2314959A4 publication Critical patent/EP2314959A4/de
Application granted granted Critical
Publication of EP2314959B1 publication Critical patent/EP2314959B1/de
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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
    • 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
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/14—Water supply
    • 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
    • F25C2500/00—Problems to be solved
    • F25C2500/02—Geometry problems

Definitions

  • the present invention relates to a water spray device for an ice making machine, the water spray device supplying ice making water to an ice making region of an ice making section.
  • a water spray device according to the preamble of claim 1 is known for example from US-A-4 458 503 .
  • an automatic ice making machine configured to generate ice by supplying ice making water from a water sprayer to a surface side (an ice making surface) of an ice making section arranged in a vertical direction (see, e.g., Patent Document 1).
  • an ice making section 12 of the flow-down type ice making machine is basically constituted of a pair of ice making plates 14, 14 that are substantially vertically erected and arranged to face each other and a cooling pipe 16 that is provided between both the ice making plates 14, 14 and formed into a meandering shape to circulate and supply a refrigerant therein.
  • each ice making plate 14 On an ice making surface of each ice making plate 14, a plurality of ice making regions 20 where ice is produced are defined in a width direction by a plurality of partition members 18 extending in the vertical direction. Further, a water sprayer 22, which supplies to the ice making regions 20 the ice making water circuited and supplied from a circulation pump 54, is provided above the ice making section 12.
  • the water sprayer 22 has an elongated cylindrical body formed with a substantially rectangular cross section and has its longitudinal extending in the width direction thereof above the ice making section 12 in parallel therewith. Furthermore, an introduction section 24 connected with an ice making water supply tube 52 led out from the circulation pump 54 is formed at one end portion of the water sprayer 22 in the width direction thereof, and the other end portion of the same is closed. Moreover, a plurality of water spray holes 26 are formed in a bottom portion of the water sprayer 22 to be apart from each other in the width direction in accordance with the respective ice making regions 20. It is to be noted that each water spray hole 26 is set to have a small diameter of approximately 3 mm to 5 mm so that the water supply hole 26 can be prevented from being clogged with foreign particles included in the ice making water.
  • the circulation pump 54 is operated to supply the ice making water to the water sprayer 22 under pressure, and the ice making water is sprayed to the respective ice making regions 20 via the respective water spray holes 26.
  • the refrigerant is circulated and supplied to the cooling pipe 16 from a non-illustrated condenser so that the ice making water sprayed from the water sprayer 22 to flow down on the ice making surfaces can be cooled and frozen at positions where the ice making water comes into contact with the cooling pipe 16 on the ice making surfaces.
  • Patent document 2 describes an ice making apparatus and a respective method.
  • ice-making water flows from a pump into a cylindrically-shaped body section. Water is then directed downwardly into a water distribution section. From there, water can flow into a water manifold section through tapered bores, the water manifold section being open to the atmosphere. From there, it flows through slots to the ice form section, where ice is formed.
  • the amount of ice making water to be supplied to each ice making region 20 from the water sprayer 22 varies as described above, not only ice having a fixed size cannot be generated in each ice making region 20 but also ice having a different shape or clouded ice may be produced, thus greatly violating a commercial value of the ice.
  • the ice making water sprayed from the water spray holes 26 may obliquely flow out toward the closed end side from the introduction section 24 side, and it may be splashed to the outside of the ice making section 12 beyond the partition members 18 to bring negative effects, e.g., deficiency of the ice making water or melting ice stored below the ice making section 12.
  • an object of the present invention is to provide a water spray device for an ice making machine that can uniformly supply ice making water to ice making regions of an ice making section.
  • a water spray device as defined in claim 1.
  • the ice making water can be uniformly supplied to the ice making region of the ice making section.
  • an ice making section 12 of a flow-down type ice making machine having a water sprayer according to an embodiment arranged therein is longitudinally arranged so that each plate surface can substantially vertically extend, and it is constituted of a pair of ice making plates 14, 14 facing each other.
  • a cooling pipe 16 formed into a repetitive meandering shape so that a linear portion can extend in a width direction of the ice making section 12 is arranged between opposed surfaces of both the ice making plates 14, 14, and the linear portion thereof is in contact with back sides (the opposed surfaces) of both the ice making plates 14, 14.
  • each ice making plate 14 facing the other ice making plate functions as an ice making surface, and a plurality of partition members 18 are provided to protrude along a vertical direction of the ice making surface of each ice making plate 14.
  • the plurality of partition members 18 are arranged so as to be apart from each other in a width direction of each ice making plate 14, and these partition members 18 define a plurality of ice making regions 20 in parallel along the width direction of each ice making plate 14 on the ice making surfaces.
  • a water sprayer 30 that supplies ice making water to the ice making regions 20 of each ice making plate 14 at the time of an ice making operation and deicing water supplying means 28 for supplying deicing water to the back side of each ice making plate 14 at the time of a deicing operation are arranged.
  • An ice making water tank 50 that stores the ice making water flowing down on the ice making plates 14, 14 is arranged below the ice making section 12, and the ice making water tank 50 is connected to a circulation pump (pressure-feeding means) 54 through an ice making water supply tube 52. Further, at the time of the ice making operation, a refrigerant is supplied from a freezing system to the cooling pipe 16, and the ice making water is supplied to each ice making region 20 from the water sprayer 30, whereby a substantially semicircular ice piece is generated in each ice making region 20.
  • a hot gas is supplied to the cooling pipe 16 by valve switching of the freezing system, and the deicing water is supplied to the back sides of the ice making plates 14, 14 from the deicing water supplying means 28.
  • the water sprayer 30 includes a water spray section 32 arranged above the ice making section 12, a buffer section 36 that receives the ice making water delivered under pressure by the circulation pump 54, and a communication section 40 that achieves communication and connection between the water spray section 32 and the buffer section 36.
  • the water spray section 32, the buffer section 36, and the communication section 40 are integrally formed of a synthetic resin material.
  • the water spray section 32 has a hollow cylindrical body having a distribution space 32a that distributes the ice making water formed therein, and it is formed with a substantially rectangular cross section in the embodiment. Furthermore, the water spray section 32 is arranged above the ice making section 12. The water spray section 32 is provided to extend over the entire width direction of each ice making plate 14, and it is formed of a size that substantially matches a dimension from a protruding end of the partition member 18 of one ice making plate 14 to a protruding end of the partition member 18 of the other ice making plate 14 (see FIG. 2 ).
  • each water spray hole group consisting of a plurality of water spray holes 34, which are arranged in parallel to be apart from each other in an opposing direction of the pair of ice making plates 14, 14 and communicate with the distribution space 32, is provided in association with each ice making plate 14 (see FIG. 3 ). Furthermore, the respective water spray holes 34 constituting the water spray hole group are placed on the ice making surface side of each ice making plate 14, arranged to be apart from each other in the width direction of each ice making plate 14 in association with the respective ice making regions 20 of each ice making plate 14, and also arranged at central portions of the respective ice making regions 20 in the width direction.
  • the buffer section 36 has a hollow cylindrical body having a buffer space 36a in which the ice making water is distributed, and it is formed with a circular cross section in the embodiment. Moreover, the buffer section 36 is provided next to the water spray section 32. Here, the buffer section 36 is provided to extend in the width direction of the ice making section 12, and it is formed with a dimension equal to a size of the water spray section 32 in the width direction. Additionally, an introduction section 38 connected with the ice making water supply tube 52 is provided at one end of the buffer section 36 in the width direction, and the other end of the same in the width direction is closed.
  • the communication section 40 includes communication holes 42 communicating with the distribution space 32a of the water spray section 32 and the buffer space 36a of the buffer section 36, and it is configured in such a manner that the communication holes 42 are provided to extend in a lateral direction crossing an inflow direction of the ice making water supplied into the buffer space 36a of the buffer section 36 through the introduction section 38 (see FIG. 2 ).
  • the communication section 40 according to the embodiment is constituted of a plurality of angular cylindrical bodies 41 arranged in the width direction of the ice making section to be apart from each other, and one communication hole 42 is opened in each angular cylindrical body 41 (see FIGS. 3 ).
  • the plurality of communication holes 42 are all formed with the same cross-sectional dimension (see FIG. 3(b) ).
  • each communication hole 42 is arranged at the center between the water spray holes 34, 34 that are adjacent to each other.
  • the ice making water delivered under pressure by the circulation pump 54 from the ice making water tank 50 is supplied into the buffer space 36a of the buffer section 36 from the introduction section 38 via the ice making water supply tube 52. Since one end of the buffer section 36 in the width direction that is placed in the inflow direction of the ice making water is closed, the ice making water strikes on the closed end of the buffer section 36 to reduce its flow velocity, and then it is led to the distribution space 32a of the water spray section 32 from the buffer space 36a through each communication hole 42.
  • the ice making water is led into the distribution space 32a of the water spray section 32 via each communication hole 42 from the lateral direction crossing a separating direction (the width direction of the ice making section 12) of the plurality of water spray holes 34 constituting each water spray hole group. Furthermore, the ice making water strikes on an inner wall of the water spray section 32 facing the communication holes 42 in the distribution space 32a to further reduce its flow velocity, and it is guided to both sides in the width direction along the inner wall.
  • a difference in flow velocity and a difference in pressure of the ice making water are reduced in the width direction, and hence the ice making water can be uniformly flowed out from the plurality of water spray holes 34 provided in the water spray section 32 in a well-balanced manner.
  • the water sprayer 30 can uniform amounts of the ice making water supplied to the corresponding ice making regions 20 from the plurality of water spray holes 34 by suppressing an influence of the flow velocity or the pressure of the ice making water in the water spray section 32 as a configuration of receiving the pressure-fed ice making water in the buffer section 36 and leading the received ice making water to the water spray section 32 through the communication holes 42 of the communication section 40. That is, in the ice making section 12, ice can stably grow in each ice making region 20, resulting ice pieces are of a uniform size, and generation of ice having a different shape or clouded ice due to excess or deficiency of the ice making water can be prevented.
  • the ice making section 12 can uniformly make the ice in the entire ice making regions 20 in each ice making plate 14, its cooling efficiency and deicing efficiency are excellent, thereby improving an ice making capacity. Additionally, since the flow velocity of the ice making water is suppressed, it does not obliquely flow out from each water spray hole 34, and an inconvenience, e.g., insufficiency of the ice making water or melting the ice stored below the ice making section 12 due to scattering toward the outside of the ice making section 12 can be avoided.
  • the water sprayer 30 functions so that each of the plurality of communication holes 42 can reduce the flow velocity of the ice making water. Further, in the water sprayer 30, when the respective communication holes 42 are provided to communicate with the positions deviated in the width direction from the water spray holes 34 in the water spray section 32, the ice making water that has flowed into the distribution space 32a of the water spray section 32 can be prevented from immediately flowing out from the water spray holes 34, thus flowing out from each water spray hole 34 the ice making water buffered in the water spray section 32.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)

Claims (3)

  1. Wassersprühvorrichtung für eine Eisherstellungsmaschine, wobei die Vorrichtung so eingerichtet ist, dass sie Wasser zur Eisherstellung unter Druck erhält und selbiges an einen Eisherstellungsbereich (20) eines Eisherstellungsabschnitts (12) liefert, aufweisend:
    einen Wassersprühabschnitt (32), welcher oberhalb des Eisherstellungsabschnitts (12) vorgesehen ist, um sich in einer Weitenrichtung des Eisherstellungsabschnitts (12) zu erstrecken und um das Wasser zur Eisherstellung an einen Eisherstellungsbereich (20) des Eisherstellungsabschnitts (12) aus Wassersprühlöchern (34), welche voneinander getrennt in Weitenrichtung angeordnet sind, zu liefern;
    einen Pufferabschnitt (36, 90, 92), welcher neben dem Wassersprühabschnitt (32) vorgesehen ist und an einem Ende in der Weitenrichtung einen Zuführabschnitt (38) besitzt, welcher dazu angepasst ist, das Wasser zur Eisherstellung zu empfangen, welches unter Druck geliefert wird; und
    einen Kommunikationsabschnitt (40), welcher zwischen dem Wassersprühabschnitt (32) und dem Pufferabschnitt (36, 90, 92) angeordnet ist und dazu angepasst ist, Wasser zur Eisherstellung, welches vom Pufferabschnitt (36, 90, 92) erhalten wurde, zum Wassersprühabschnitt (32) durch ein Kommunikationsloch (42) zuzuleiten, dadurch gekennzeichnet, dass der Kommunikationsabschnitt (40) aus einer Vielzahl von zylindrischen Körpern (41), welche in der Weitenrichtung des Eisherstellungsabschnitts (12) voneinander entfernt angeordnet sind, zusammengesetzt ist, wobei ein Kommunikationsloch (42) in jedem zylindrischen Körper (41) geöffnet ist,
    und der Kommunikationsabschnitt (40) in solch einer Art und Weise dazu angepasst ist, dass eine Größe des Kommunikationslochs (40) von einer Endseite, wo der Einführabschnitt (38) des Pufferabschnitts (36, 90, 92) vorgesehen ist, hin zur anderen Endseite geringer wird, und
    die Vielzahl von Kommunikationslöchern (42) vorgesehen ist, dass sie mit dem Wassersprühabschnitt (32) an Positionen, welche in der Weitenrichtung von den Wassersprühlöchern (34) abweichen, kommunizieren.
  2. Wassersprühvorrichtung für eine Eisherstellungsmaschine gemäß Anspruch 1, wobei
    jeweils der Wassersprühabschnitt (32) und der Pufferabschnitt (36, 90, 92) einen hohlen zylindrischen Körper besitzen, und der Kommunikationsabschnitt (40) aus einer Vielzahl von ringförmigen zylindrischen Körpern (41) besteht,
    wobei der Wassersprühabschnitt (32), der Pufferabschnitt (36, 90, 92) und der Kommunikationsabschnitt (40) integral aus einem synthetischen Harzmaterial ausgebildet sind, und
    der Kommunikationsabschnitt (40) in solch einer Art und Weise ausgebildet ist, dass jedes der Kommunikationslöcher (42) so vorgesehen ist, dass es von Positionen, welche in der Weitenrichtung von Wassersprühlöchern (34), welche in der Wassersprühvorrichtung (32) angeordnet sind, abweicht, kommuniziert, um getrennt voneinander in der Weitenrichtung des Wassersprühabschnitts (40) angeordnet zu sein.
  3. Wassersprühvorrichtung für eine Eisherstellungsmaschine gemäß Anspruch 1 oder 2, wobei
    der Pufferabschnitt (92) in solch einer Art und Weise ausgebildet ist, dass ein innerer Raum (92a) in Stufen von einer Endseite, wo der Einführabschnitt (38) des Pufferabschnitts (92) vorgesehen ist, hin zur anderen Endseite schmäler wird.
EP09804870.5A 2008-08-05 2009-07-21 Wassersprühvorrichtung für eine eisherstellungsmaschine Active EP2314959B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008202058A JP5275719B2 (ja) 2008-08-05 2008-08-05 製氷機の散水器
PCT/JP2009/063059 WO2010016383A1 (ja) 2008-08-05 2009-07-21 製氷機の散水器

Publications (3)

Publication Number Publication Date
EP2314959A1 EP2314959A1 (de) 2011-04-27
EP2314959A4 EP2314959A4 (de) 2013-12-25
EP2314959B1 true EP2314959B1 (de) 2016-09-28

Family

ID=41663606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09804870.5A Active EP2314959B1 (de) 2008-08-05 2009-07-21 Wassersprühvorrichtung für eine eisherstellungsmaschine

Country Status (5)

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US (1) US20110113814A1 (de)
EP (1) EP2314959B1 (de)
JP (1) JP5275719B2 (de)
CN (1) CN102099642B (de)
WO (1) WO2010016383A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012077972A2 (en) * 2010-12-08 2012-06-14 Woongjin Coway Co., Ltd Ice maker and ice making method using the same
KR101732165B1 (ko) * 2015-06-17 2017-05-02 동부대우전자 주식회사 아이스 트레이를 포함하는 냉장고 및 아이스 트레이 및 아이스 트레이 제조 방법

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JP2863078B2 (ja) 1994-01-27 1999-03-03 ホシザキ電機株式会社 製氷機用散水器
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Also Published As

Publication number Publication date
CN102099642A (zh) 2011-06-15
EP2314959A4 (de) 2013-12-25
US20110113814A1 (en) 2011-05-19
WO2010016383A1 (ja) 2010-02-11
CN102099642B (zh) 2012-08-15
JP2010038451A (ja) 2010-02-18
JP5275719B2 (ja) 2013-08-28
EP2314959A1 (de) 2011-04-27

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