Energy-saving type material drying system

A drying system and energy-saving technology, applied in the direction of drying gas arrangement, drying, dryer, etc., can solve the problems of improper drying flow, unused, environmental pollution and other problems of materials, so as to reduce heating power consumption and ventilation power consumption. , the effect of improving utilization efficiency

Inactive Publication Date: 2013-11-20
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • Energy-saving type material drying system

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Example 1, such as figure 1 As shown, the material flow 2 reaches the perforated mesh conveyor belt device 1 through the wet material preheating box 16, is heated and dried by the high-temperature air from the high-temperature dry air distribution box 14 during the forward conveying process, and then leaves the perforated mesh conveyor belt device 1. The conveyor belt device 1 enters the dry material cooling box 12 . The dry material is cooled by the fresh air sent by the dry material cooling fan 10 during the continuous conveyance along the conveyor belt 11 . After that, the dry material leaves the cooling box 12 and leaves the drying system to wait for boxing. The air blown out by the dry material cooling fan 10 is collected by the dry material hot air collection device 4 after being heated by the dry material and transported to the wet material preheating box 16, and the material flow is preheated and heated through the mesh feeding plate 15 with holes. Leave the s...

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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...

Claims

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Application Information

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IPC IPC(8): F26B17/04F26B21/00
Inventor 李彦蓉
Owner SHANDONG UNIV OF TECH
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