Fine material drying and absorbing system

Abstract

The invention provides a fine material drying and absorbing system, which comprises a drying tower and an absorbing tower, wherein an induced draft fan is arranged between the drying tower and the absorbing tower, and the drying tower, the induced draft fan and the absorbing tower are communicated through an exhaust gas absorption pipeline; the drying tower comprises a material inlet device, an air inlet device, a drying chamber, a dust collector and a material outlet device, the material inlet is arranged on one side of the drying chamber, the material outlet device is arranged at the lower part of the other side of the drying chamber, the air inlet device is arranged below the drying chamber, and the dust collector is arranged above the drying chamber; and the absorbing tower comprises a tower body, a tower internal components and packing materials, an air outlet is arranged at the top end of the tower body, and an air inlet is arranged at the lower side part of the tower body. The fine material drying and absorbing system has the advantages of simple structure, small occupied area and convenience in use, has the characteristics of high heat transfer coefficient, large heat transfer area, short drying time, no pollution and the like, and is not only suitable for drying of common materials but also is suitable for drying of heat sensitive materials.

Description

technical field [0001] The invention relates to a dry absorption system, in particular to a powder dry absorption system. Background technique [0002] Airflow drying is a method of dispersing and suspending granular powder in high-speed hot airflow and drying it under pneumatic conveying. This method is to make the heating medium directly contact with the solid particles to be dried, and to suspend the solid particles to be dried in the fluid, so the two-phase contact area is large, and the heat and mass transfer process is strengthened. It is widely used in chemical industry, medicine, building materials and other industries. Drying of powdery and granular materials. [0003] The absorption tower is the equipment to realize the absorption operation, which is divided into three types according to the gas-liquid contact form. The first type is the plate tower, bubbling absorption tower, stirred bubbling absorption tower in which the gas is dispersed in the liquid phase in ...

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Problems solved by technology

[0004] The drying of some existing powders is generally carried out through a reaction pot. The heating area of ​​the material in this drying method is limited. At the same time, because the drying process is in an open environment, it not only requires a long drying time, but also has low thermal efficiency, environmental pollution, and Disadvantages such as high energy consumption

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