Title:
TUNNEL FREEZER FOR FOOD REFRIGERATION
Document Type and Number:
Japanese Patent JP3440157
Kind Code:
B2
Abstract:
PURPOSE: To perform a collision jet cooling of a favorable heat conductivity by a method wherein a first temperature zone which introduces a food in a tunnel is set to be a non-freezing temperature zone of a specified temperature range, and after removing steam being vaporized in the non-freezing temperature zone as liquid drops, the food is made to enter a freezing temperature zone.
CONSTITUTION: A tunnel type refrigerator 31 in which a net conveyor 14 to transfer a food in the direction shown by arrow is provided is divided into 3 zones, and the first temperature zone 10 is set to be a non-freezing temperature zone of a temperature range of approx. 0-5°C. In the non-freezing temperature zone, vaporized steam is removed as liquid drops, and by the removal, an unnecessary steam of the food is removed at the non-freezing temperature zone. Then, in a zone 11 where a high speed cool gas is blown to the food, the food is rapidly frozen while preventing a dripping from generating, and in a zone 12 for cold-keeping, the food is stored under a frozen state. By this method, a collision jet type cooling of a favorable heat conductivity can be performed without relying upon a plate fin type heat-exchanger.
Inventors:
Junji Matsuda
Makoto Sano
Prince Ishikura
Makoto Sano
Prince Ishikura
Application Number:
JP4478395A
Publication Date:
August 25, 2003
Filing Date:
February 09, 1995
Export Citation:
Assignee:
Maekawa Manufacturing Co., Ltd.
International Classes:
F25D13/06; (IPC1-7): F25D13/06
Domestic Patent References:
| JP60152876A | ||||
| JP5223368A | ||||
| JP542980U | ||||
| JP3115375U | ||||
| JP357378U | ||||
| JP613495U |
Attorney, Agent or Firm:
Masahisa Takahashi (1 person outside)