Novel pore plate of air-blowing type instant freezer

A quick-freezing machine and orifice plate technology, applied in lighting and heating equipment, cooling fluid circulation devices, household appliances, etc., to achieve the effect of improving heat transfer coefficient, improving single-directional impact problem, and increasing freezing rate

Inactive Publication Date: 2017-02-15
SHANGHAI OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the defects of the orifice plate structure of the existing quick-freezing machine, the present invention proposes a new orifice plate of the blast-type quick-freezing machine

Method used

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  • Novel pore plate of air-blowing type instant freezer
  • Novel pore plate of air-blowing type instant freezer

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Embodiment Construction

[0017] In order to make the operation process and creative features realized by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0018] The orifice plate of the blast type quick-freezing machine includes a positive blowing orifice plate surface 1, an orifice arc surface 2, and an orifice opening 3; the orifice plate structure of the new blasting type quick-freezing machine is characterized in that the width of the positive blowing orifice plate surface 1 is 80mm , the orifice plate surface of length A; the arc surface 2 of the orifice plate is a circular arc surface with a radius R and the included angle of the arc surface is 45°; The radius of the orifice hole 3 is 5mm, and the hole spacing along the direction of the groove is 40mm; the orifice arc surface 2 is distributed with three rows of orifice holes 3, and the angle between two adjacent rows of orifice holes 3 is 11.25° , and the ...

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PUM

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Abstract

The invention discloses a novel pore plate of an air-blowing type instant freezer. The novel pore plate comprises a first pore plate arc surface, a second pore plate arc surface and a pore plate opening. The novel pore plate is characterized in that the plane of the pore plate is a non-straight plane; and the pore plate of the instant freezer is formed by alternatively connecting the pore plate arc surfaces and the plate surface of a straight pore plate. The novel pore plate effectively increases a convection coefficient between the side surface of instantly-frozen food and cold air, reduces freezing time of food, improves the problem that a conventional flat hole plate impacts in single direction better, and provides a novel idea for improving freezing efficiency of the instant freezer.

Description

technical field [0001] The invention belongs to the technical field of quick-frozen food, relates to a novel orifice plate of a blast type quick-freezing machine, and in particular relates to an orifice structure for improving the freezing efficiency of the quick-freezing machine. Background technique [0002] As a device to improve the uniformity of the cold air jet of the quick-freezing machine, the orifice plate of the quick-freezing machine has been widely used in the food industry in recent years, but there has not been much breakthrough in the research and design of the orifice plate itself. The air hole plate is generally a flat plate surface. During the operation of the impact type quick-freezer, the cooled food is only impacted by cold air in one direction, resulting in a low convective heat transfer coefficient on the side of the food, which increases the freezing time and affects the freezing rate of the food. The operating efficiency of the quick freezer. At pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D17/06F25D23/00
CPCF25D17/06F25D23/00F25D2400/30
Inventor 谢晶李文俊王金锋
Owner SHANGHAI OCEAN UNIV
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