Environment-friendly packaging box capable of keeping freshness of salted vegetables and making method of environment-friendly packaging box

Abstract

The invention discloses an environment-friendly packaging box capable of keeping the freshness of salted vegetables. The environment-friendly packaging box is characterized by comprising a box body and a box cover, wherein the box body is composed of an inner layer, a connecting layer and an outer layer, and the inner layer is fixedly connected with the outer layer through the connecting layer; the box body is of a concave structure; and the inner layer and the outer layer are both fixed layers, the connecting layer is a reinforcing layer, and the inner layer and the outer layer are fixedly connected with the connecting layer through animal blood. A making method of the environment-friendly packaging box comprises the steps of raw material selecting; pretreating; bonding; and airing; The environment-friendly packaging box has the advantages that the box body is of a structure with three layers which are fixedly connected through the animal blood, so that the stability of the box body is ensured; meanwhile, the box body is made of an environment-friendly ecological material, so that no environment pollution is caused; in addition, the animal blood and the environment-friendly ecological material can realize semipermeability of air; and the materials of the inner layer and the outer layer of the box body have respective fragrances, so that the taste and freshness of a salted food can be improved.

Description

technical field [0001] The invention belongs to the field of production and processing of daily necessities, and in particular relates to an environment-friendly packaging box capable of maintaining the freshness of pickles and a manufacturing method thereof. Background technique [0002] Pickled vegetables are vegetables pickled with salt and other seasonings that Chinese families love. It has a strong salty taste and can be stored for a long time. In the existing technology, plastic boxes, glass boxes or porcelain jars are commonly used for storage of pickles. Plastic boxes are relatively unsafe, and they are discarded directly after use, resulting in a large waste At the same time, it will pollute the environment and use less; glass boxes and porcelain jars can be recycled many times. When pickling, the lids are usually sealed directly, which is not conducive to the circulation of air inside and outside. , the air enters directly, and enters with the moisture in the air,...

AI Technical Summary

Problems solved by technology

It has a strong salty taste and can be stored for a long time. In the existing technology, plastic boxes, glass boxes or porcelain jars are commonly used for storage of pickles. Plastic boxes are relatively unsafe, and they are discarded directly after use, resulting in a large waste At the same time, it will pollute the environment and use less; glass boxes and porcelain jars can be recycled many times. When pickling, the lids are usually sealed directly, which is not conducive to the circulation of air inside and outside. , the air enters directly, and enters with the moisture in the air, which usually leads to mildew of the pickled product, affecting the pickling effect and taste; at the same time, there is no smell in the plastic box, glass box or porcelain jar itself, so it cannot be easily Good mouthfeel to guide pickles

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