Energy-saving type material drying system

Abstract

The invention discloses an energy-saving type material drying system using hot air as a working medium. Waste heat directly discharged from the drying system under normal conditions, especially the waste heat carried by dried materials is fully utilized by comprehensively using a heat exchanging device. The heat is utilized for heating various materials needing to enter the system, and especially thermal energy carried by the dried materials is utilized for heating the materials which are newly conveyed into the system to be dried. Power consumption can be greatly reduced while the system can keep drying performance through the optimization of the arrangement of a draught fan and the direction that hot wind passes the materials, the power of the heat discharged to the environment is naturally reduced, namely, thermal pollution to the environment is reduced, and accordingly good economic benefits and environmental benefits are obtained.

Description

technical field [0001] The invention belongs to the technical field of drying equipment, and in particular relates to a material drying system which uses hot air as a working medium and can greatly reduce energy consumption. Background technique [0002] The drying process is to use heat to vaporize and remove the moisture in the material, so as to obtain a dry material with a moisture content lower than the required value. It is widely used in various sectors of the national economy, especially in grain, fruit and vegetable, medicine, food and other processing enterprises. However, the drying process consumes a large amount of power, resulting in high costs, and the waste heat gas generated during the drying process also pollutes the environment. In order to solve these problems, people have come up with many solutions, and patents carrying these ideas have also been produced, such as CN201210466187, CN201220374068 and so on. But the systems or devices designed by these p...

AI Technical Summary

Problems solved by technology

Mainly: Improper setting of fan position and direction of drying air flow affects the smoothness of gas flow; Improper material drying flow affects the drying effect and heat energy utilization efficiency; Failure to use the heat carried by the material after drying not only delays the drying of the material. The packing time of the dry material also causes pollution to the environment due to the heat carried by the dry material, all of which need to be innovated and improved

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