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Method and apparatus for separating egg shell and egg shell membrane from each other

A separation method and separation device technology, which is applied in the field of separation of eggshells and eggshell membranes and separation devices, can solve the problems of large-scale equipment, complexity, and high separation efficiency, and achieve the effect of inhibiting oxidation

Pending Publication Date: 2021-10-26
BIOAPATITE KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the separation method and device described in this patent document 2, since eggshell membranes are double-separated by using a liquid cyclone separator and a separation tank, the separation efficiency is high, but the equipment is large and complicated.

Method used

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  • Method and apparatus for separating egg shell and egg shell membrane from each other
  • Method and apparatus for separating egg shell and egg shell membrane from each other
  • Method and apparatus for separating egg shell and egg shell membrane from each other

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Embodiment Construction

[0035] The method for separating eggshells and eggshell membranes (hereinafter also simply referred to as "separation method") of the present invention will be described.

[0036] The separation method of the present invention is a separation method for separating eggshells and eggshell membranes, and is characterized in that it includes the step of throwing the eggshells to which the eggshell membranes are attached in a swirling water stream of an alkaline solution. Under the action of the alkaline solution, the eggshell membrane is peeled off from the eggshell, and due to the difference in specific gravity, the eggshell membrane is suspended in the alkaline solution and the eggshell is precipitated, therefore, the eggshell and the eggshell membrane can be separated. In the case where the solution is water, the eggshells and eggshell membranes do not peel off well and cannot be separated using specific gravity.

[0037] Suspended eggshell membranes flow due to the swirling wa...

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Abstract

The present invention provides a method by which an egg shell and an egg shell membrane are able to be sufficiently separated from each other even if the method is small scaled and has a simpler configuration than conventional methods. A separation method for separating an egg shell and an egg shell membrane from each other, which comprises a step wherein an egg shell to which an egg shell membrane adheres is thrown into a swirling flow of an alkaline solution.

Description

technical field [0001] The present invention relates to a separation method and a separation device for separating an eggshell and an eggshell membrane from the shell portion of an egg. Background technique [0002] In food factories using eggs, especially eggs, research and development have been carried out on the effective use of egg shells after shelling eggs and taking out yolks and whites, and products using egg shells as raw materials are actually sold. Eggshells after shelling can be roughly divided into eggshells with calcium carbonate as the main component and eggshell membranes with protein as the main component. Eggshells are used in calcium-fortified foods, hydroxyapatite raw materials, and other products using calcium. Eggshell membranes are used as raw materials for protein-fortified foods, cosmetic raw materials, and other products that use protein. Eggshells and eggshell membranes differ greatly in composition. Therefore, it is important to separate eggshell...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B5/28A23L15/00
CPCA23L15/00B03B5/32B03B5/66B03B5/28B03B5/44B03B5/623B03B1/04
Inventor 金岛敬之介中村弘一川本将大
Owner BIOAPATITE KK