Airflow sterilization system suitable for powdery and granular materials

Abstract

The invention discloses an airflow sterilization system suitable for powdery and granular materials. The airflow sterilization system comprises a sterilization device, an airflow supply device and a feeding device, wherein the sterilization device comprises a sterilization pipeline and a sterilization separator; the sterilization pipeline is connected with the sterilization separator; the airflowsupply device comprises an airflow heater; a gas mixing nozzle is arranged at an inlet of the airflow heater; the gas mixing nozzle is connected with a steam main pipe and an air heating device respectively; the air heating device is connected with the sterilization separator of the sterilization device; the feeding device comprises a pre-heater for pre-heating the materials and a feeding high-pressure mixing device; and the feeding high-pressure mixing device is connected with the airflow heater of the airflow supply device, the feeding device and the sterilization pipeline of the sterilization device respectively. With the adoption of the structure, the airflow sterilization system has the beneficial effects that the system does not condense and fault phenomena including pipe blocking and the like are reduced; the airflow sterilization system has a good sterilization effect and short sterilization time and components of the materials are not easy to damage.

Description

technical field [0001] The invention belongs to the technical field of material sterilization, and in particular relates to an airflow sterilization system suitable for powder and granular materials. Background technique [0002] Food or medicine will be subject to various contaminations during production and processing, resulting in bacteria. In order to ensure the safety of food or medicine, thorough sterilization must be carried out. The use of appropriate sterilization techniques and equipment is the key to achieving complete sterilization. [0003] At present, in the food and pharmaceutical industries, many materials are in powder or granular form. At present, the sterilization devices for powdery and granular materials on the market have the following problems: [0004] 1. The humid heat sterilization cabinet uses saturated water vapor for sterilization. The latent heat of the steam is large and the penetrating power is strong. It is easy to denature the bacterial p...

AI Technical Summary

Problems solved by technology

However, the temperature of the existing cyclone separator for passing hot steam is usually relatively high. If the drive shaft of the motor is directly used as the stirring shaft, the heat-resistant temperature is usually only about 60°C, which cannot meet the needs of actual production.

However, if other transmission equipment is used to connect the stirring shaft, transmission structures such as sprockets and belts need to be set up. The swing structure is more complicated, the cost is greatly increased, and it is not conducive to later cleaning and maintenance.

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