A method for efficiently crushing and separating eggshells and shell membranes of poultry breeding eggs after hatching

Abstract

The invention discloses an efficient crushing and separating method for eggshells and shell membranes obtained by incubation and hatching of hatching eggs of poultry. The efficient crushing and separating method comprises the following step: performing suffumigating, drying, primary crushing, vibration screening, electric windwill separation and the like on a complete eggshell (including inner and outer layers of shell membranes) obtained by incubation and hatching. The method is high in crushing and separating efficiency, and the purity of obtained products, i.e. eggshell powder and shell membrane powder, is 98 percent or above, and the moisture content is less than 8 percent; the obtained products are free of pathogenic bacteria, nontoxic, harmless, pollution-free and safe; furthermore, the natural attributes of the eggshells and shell membranes which are obtained by incubation are retained, and the products meet the feed level standard; and the method is suitable for batch processing of breeding poultry incubation fields of different scales, and the eggshells and the shell membranes can be separately used or combined for use so as to develop the breeding value of the nutrition and the functionality of the eggshells and the shell membranes, improve the productivity of the poultry and the disease resistance of livestock, realize reuse of complete eggshell resources obtained by the incubation and reduce the pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of feed raw material processing, and in particular relates to a method for efficiently pulverizing and separating eggshells and shell membranes of poultry breeding eggs after hatching. Background technique [0002] The poultry breeding industry is the pillar industry of my country's animal husbandry industry, and it is also the industry with the highest degree of scale and intensification, which is close to the international advanced level. There are many types and large quantities of poultry, including chickens, ducks, geese, quails, etc., and the annual slaughtering poultry volume reaches more than 12 billion. With the rapid development of my country's poultry breeding industry, the scale and number of breeding poultry hatcheries have increased sharply, and they are also facing the problem of eggshell treatment after hatching. According to the survey, after hatching eggs in breeding poultry (chicken, duck...

AI Technical Summary

Problems solved by technology

According to the investigation and retrieval of relevant patent documents, the separation of eggshells and shell membranes at home and abroad is mainly aimed at the research of fresh commercial eggshells produced by egg processing enterprises, and mainly uses chemical and physical methods, such as grinding, calcination, Water flotation method, acid-base leaching method, microbial fermentation method and enzymatic hydrolysis method, etc., to extract one of them or eggshell or egg membrane, the physical and chemical properties have changed, and more are still limited to experimental research and cannot be used in large-scale commodity production

However, after hatching eggs in batches, the efficient and ecological separation technology of eggshell and shell membrane is lacking, and no similar patented technology has been found.

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