Superheated steam blanching and combined drying integrated processing method and superheated steam blanching and combined drying integrated processing equipment

Abstract

The invention belongs to the technical field of agricultural product processing, and specifically discloses a superheated steam blanching and combined drying integrated processing method and superheated steam blanching and combined drying integrated processing equipment. The equipment comprises an integrated combination processing machine body, a pressure pulsation generation system, a superheated steam blanching system, a hot wind drying system, a vacuum drying heating system, an automatic control system and other parts. According to the present invention, a material is firstly subjected to vacuum pulsation superheated steam blanching enzyme-inactivation color-protection and sterilization pre-treatment in the integrated processing equipment, and then hot wind vacuum combination drying is performed; with the method and the equipment, the problems that the chemical residue exists in the use of the chemical enzyme-inactivation color-protection method in the hot wind vacuum combination drying processing pre-treatment, the cost of the processing system is significantly increased by additionally arranging the independent physical blanching device, the material is required to be taken out after the blanching and the material re-distribution is required to be performed in the drying device, and the like can be solved; with the method and the equipment, the sterilization treatment in the processing process can be simultaneously completed, the drying time can be effectively shortened, the quality of the product is good, and other characteristics can be provided; and the method and the equipment are suitable for the blanching and drying processing of most of fruits and vegetables and Chinese herbs.

Description

technical field [0001] The invention belongs to the technical field of agricultural product processing, and in particular relates to an integrated processing method and equipment for superheated steam blanching and combined drying. Background technique [0002] Drying is an important part of agricultural product processing. Hot air vacuum combined drying technology is a new type of drying technology that uses hot air drying and vacuum drying in different drying stages. Research shows that the product quality of hot air vacuum combined drying is better than that of hot air drying, and the quality of combined drying products of some materials can be compared with It is comparable to vacuum drying, but the energy consumption is greatly reduced and the efficiency is obviously improved. In recent years, this technology has developed rapidly in research and application. [0003] Due to the presence of polyphenol oxidase and peroxidase in agricultural materials such as fruits and...

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Problems solved by technology

[0006] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide an integrated processing method and equipment for superheated steam blanching and combined drying, which not only uses physical blanching to eliminate enzymes and protect color, but also solves the current hot air vacuum combined drying pretreatment There is a problem of chemical residues in the chemical enzyme inacti

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