EP3660417B1 - Évaporateur pour machine à glaçons - Google Patents

Évaporateur pour machine à glaçons Download PDF

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Publication number
EP3660417B1
EP3660417B1 EP18382865.6A EP18382865A EP3660417B1 EP 3660417 B1 EP3660417 B1 EP 3660417B1 EP 18382865 A EP18382865 A EP 18382865A EP 3660417 B1 EP3660417 B1 EP 3660417B1
Authority
EP
European Patent Office
Prior art keywords
evaporator
tube
ice machine
ice
spring
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
EP18382865.6A
Other languages
German (de)
English (en)
Other versions
EP3660417A1 (fr
Inventor
Cristina CORDON
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.)
Itv Ice Makers SL
Original Assignee
Itv Ice Makers SL
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 Itv Ice Makers SL filed Critical Itv Ice Makers SL
Priority to ES18382865T priority Critical patent/ES2918223T3/es
Priority to EP18382865.6A priority patent/EP3660417B1/fr
Priority to US16/211,016 priority patent/US20200173700A1/en
Publication of EP3660417A1 publication Critical patent/EP3660417A1/fr
Application granted granted Critical
Publication of EP3660417B1 publication Critical patent/EP3660417B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/09—Improving heat transfers
    • 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

Definitions

  • the object of the present specification is an evaporator for an ice machine, the main and distinctive characteristic of which is based on enabling a greater speed to be achieved in the cooling on the surface thereof, by means of creating a turbulence which improves the exchange and the efficiency.
  • evaporators are known in the state of the art, which are generally configured from vertical cylinders (made of stainless steel or similar) connected to an outer jacket through which a refrigerant liquid flows which cools the inner surface of the cylinder, and wherein a water-feeding system using communicating tanks will maintain the level of liquid inside said cylinder, the ice being produced on the inner wall of the evaporator.
  • a thermal exchange is carried out between the primary liquid (refrigerant) and the secondary liquid (water), and wherein the improvement in the global transmission coefficient thereof of the evaporator will directly affect the energy efficiency of the equipment.
  • the technical problem solved by the present invention is achieving an evaporator which improves the heat exchange and the efficiency thereof compared to other solutions known in the state of the art.
  • the evaporator for an ice machine, object of the present specification is is set out in claim 1.
  • the evaporator contemplated herein will favor the vertical outlet of the ice due to the presence of a plurality of mechanized grooves which decrease the effort necessary for said operation and therefore the noise generated during the same.
  • a steel spring inside the evaporator enables a helical circuit to be configured through which the refrigerant liquid flows in forced circulation, creating turbulence on the surface thereof which improves the heat exchange and therefore, the efficiency of the assembly.
  • the evaporator for an ice machine object of the present specification, is characterized in that it comprises a tube (1) which has, internally mechanized, a plurality of grooves (1a) favoring the vertical outlet of the ice, decreasing the effort necessary for said operation and therefore the noise generated.
  • the tube (1) will be manufactured from stainless steel or a material with equivalent mechanical characteristics.
  • a second outer tube (2) with a larger diameter is placed, creating a cylindrical chamber, and wherein supplementary rings (3) are located on the upper and lower ends thereof which seal the assembly, improving the performance thereof with the pressure.
  • a series of connections (4) are located for the inlet and/or outlet of the refrigerant liquid.
  • a steel spring (5) is located which perfectly adjusts to the two diameters of the cylindrical chamber, in order to prevent the by-pass of the refrigerant liquid between coils, making up a helical circuit which forces the circulation of the refrigerant liquid.
  • the spring (5) has a smaller passage (5a) at the beginning thereof, and a larger passage (5b) at the end thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)

Claims (3)

  1. Un évaporateur pour une machine à glace comprenant un tube (1) sur lequel est placé un deuxième tube extérieur (2) de plus grand diamètre, créant une chambre cylindrique, le tube (1) incorporant une pluralité de rainures mécanisées (1a) en lui, favorisant la sortie de la glace et des anneaux supplémentaires (3) étant situés sur ses extrémités supérieure et inférieure qui rendent l'ensemble étanche ; et qui est caractérisé en ce que l'évaporateur incorpore un ressort (5) situé sur le tube (1), le ressort (5) configurant un circuit hélicoïdal à travers lequel le liquide réfrigérant circule en circulation forcée, et en ce que le ressort (5) a un plus petit passage (5a) au début de lui-même, et un plus grand passage (5b) à la fin de lui-même.
  2. L'évaporateur pour machine à glace selon la revendication 1, caractérisé en ce qu'il incorpore une série de raccords (4) à la fois dans les parties inférieure et supérieure de l'ensemble constitué par les tubes (1, 2).
  3. L'évaporateur pour machine à glace selon l'une quelconque des revendications 1 à 2, dans lequel le tube (1) est en acier inoxydable ou en un matériau présentant des caractéristiques mécaniques équivalentes.
EP18382865.6A 2018-11-29 2018-11-29 Évaporateur pour machine à glaçons Active EP3660417B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES18382865T ES2918223T3 (es) 2018-11-29 2018-11-29 Evaporador para una máquina de hielo
EP18382865.6A EP3660417B1 (fr) 2018-11-29 2018-11-29 Évaporateur pour machine à glaçons
US16/211,016 US20200173700A1 (en) 2018-11-29 2018-12-05 Evaporator for an ice machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18382865.6A EP3660417B1 (fr) 2018-11-29 2018-11-29 Évaporateur pour machine à glaçons

Publications (2)

Publication Number Publication Date
EP3660417A1 EP3660417A1 (fr) 2020-06-03
EP3660417B1 true EP3660417B1 (fr) 2022-06-01

Family

ID=64665084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18382865.6A Active EP3660417B1 (fr) 2018-11-29 2018-11-29 Évaporateur pour machine à glaçons

Country Status (3)

Country Link
US (1) US20200173700A1 (fr)
EP (1) EP3660417B1 (fr)
ES (1) ES2918223T3 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1985381A (en) * 1932-09-14 1934-12-25 Richards George Ice cream freezer
JPH0124537Y2 (fr) * 1984-11-14 1989-07-25
US5191772A (en) * 1992-02-13 1993-03-09 Pacific Rockies, Inc. Auger-type ice-making apparatus
US5394708A (en) * 1993-10-29 1995-03-07 Follett Corporation Auger-type ice making apparatus
GB9917652D0 (en) * 1999-07-28 1999-09-29 Brunnar H F Liquid ice generator
JP2002013847A (ja) * 2000-06-27 2002-01-18 Hoshizaki Electric Co Ltd 冷却ユニットおよび同冷却ユニットの製造方法
JP2003343942A (ja) * 2002-05-23 2003-12-03 Denso Corp 蒸発器
ES2451539B1 (es) 2012-09-25 2015-01-16 Industria Tecnica Valenciana, S.A. Evaporador para fabricación de hielo.

Also Published As

Publication number Publication date
EP3660417A1 (fr) 2020-06-03
US20200173700A1 (en) 2020-06-04
ES2918223T3 (es) 2022-07-14

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