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A traceless quick-freezing equipment for aquatic products

A technology of quick-freezing equipment and aquatic products, which is applied in the direction of freezing/cooling preservation of meat/fish, etc., which can solve the problems affecting the flavor, taste and quality of fish meat, and achieve the effect of maintaining flavor

Active Publication Date: 2016-01-13
OCEAN RES CENT OF ZHOUSHAN ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem that when the tunnel-type liquid nitrogen freezing equipment in the prior art adopts the conveyor belt to transport fish products with small scales or no scales, deep vertical and horizontal holes will be produced on the surface of frozen fish products. Interlaced net-shaped indentations affect the original flavor, taste and quality of fish meat; provide a method to effectively improve the use of conveyor belts to transport fish products with small scales or no scales without affecting the freezing efficiency. , the surface of frozen fish products will produce deep criss-cross network indentations, which can better maintain the original flavor, taste and quality of fish products without trace quick-freezing equipment

Method used

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  • A traceless quick-freezing equipment for aquatic products
  • A traceless quick-freezing equipment for aquatic products
  • A traceless quick-freezing equipment for aquatic products

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Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1: as figure 1 As shown, a trace-free quick-freezing equipment for aquatic products includes a freezing chamber 1, a mesh belt conveyor and a trace-removing conveyor belt mechanism arranged in the freezing chamber. The mesh belt conveyor is arranged on the bottom surface of the freezing chamber through the first supporting frame 14 . The trace-removing conveyor belt mechanism is arranged on the bottom surface of the freezing chamber through the second support frame 10 . One side of the freezing chamber is provided with a material inlet 5, and the opposite side is provided with a material outlet 16. The mesh belt conveyor includes a driving sprocket 7a, a driven sprocket 7b and a conveying mesh belt 2 that surrounds the driving sprocket and the driven sprocket. The conveyor belt extends from the inlet to the outlet. The conveyor belt is set horizontally. The length of the conveying mesh belt is between 2 meters and 5 meters, and the length of the conveying...

Embodiment 2

[0039] Embodiment 2, the remaining structure of this embodiment is with reference to embodiment 1, and its difference is:

[0040] Such as Figure 5 , Image 6 As shown, the conveying mesh belt 2 in this embodiment can also be set as a B-type mesh belt. Type B mesh belts have a large number of mesh holes 23 . Type B mesh belt is a large mesh conveyor mesh belt. Type B mesh belt has the characteristics of large mesh area, flexible rotation and good stability.

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Abstract

The invention discloses indentation-free quick-freezing equipment for aquatic products, which aims at effectively solving the problem that the surfaces of frozen fishes have deep net-shaped indentations when a conveyor net belt is used for conveying the fishes with small scales or without scales. The indentation-free quick-freezing equipment comprises a freezing chamber, and a net belt conveyor and an indentation eliminating transmission belt mechanism which are arranged in the freezing chamber, wherein the net belt conveyor comprises a driving chain wheel, a driven chain wheel and a conveying net belt; the conveying net belt comprises an upper section above the driving chain wheel and a lower section under the driving chain wheel; the indentation eliminating transmission belt mechanism is arranged between the upper section and the lower section of the conveying net belt, and comprises a transmission belt; a plurality of indentation eliminating convex teeth which are matched with net holes of the conveying net belt are uniformly arrayed in the outer surface of the transmission belt; one indentation eliminating convex tooth is inserted into each net hole in the upper section of the conveying net belt, which is arranged right above the transmission belt; a plurality of indentation eliminating liquid nitrogen nozzles are uniformly arrayed between two transmission wheels.

Description

technical field [0001] The invention relates to a freezing device, in particular to a traceless quick-freezing device for freezing aquatic products, especially fish products. Background technique [0002] Aquatic product freezing refers to the use of low temperature conditions to inhibit the activity of autolyzed enzymes and the reproduction of attached microorganisms in aquatic products, and to slow down the chemical reactions such as lipid oxidation and non-enzymatic browning, so that they can maintain good quality during storage. Low temperature preservation method. The freezing of aquatic products generally includes two types of methods: refrigeration preservation and freezing preservation. Among them, the freezing preservation method mainly uses freezing equipment to quickly freeze fresh aquatic products. Liquid nitrogen freezing equipment has the characteristics of being able to quickly freeze products, pass through the ice crystal formation zone, prevent the formatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B4/06
Inventor 杨志坚胡亚芹杨水兵余海霞董开成鲁珺
Owner OCEAN RES CENT OF ZHOUSHAN ZHEJIANG UNIV