The mesh belt dryer consists of several independent unit sections. Each unit section includes a circulating fan, a heating device, a separate or common fresh air intake system, and an exhaust gas exhaust system. The operating parameters of the amount of drying medium, temperature, humidity and exhaust gas circulation can be independently controlled to ensure the reliability of the operation of the dryer and the optimization of operating conditions. With dry machine operation, wet material feeding, drying process in a completely sealed box, labor conditions are better, free of dust leakage. The mesh belt dryer is a continuous drying equipment for batch production, which is used for drying flakes, strips and granular materials with good gas permeability, and has high water content for dehydrated vegetables, catalysts, Chinese herbal medicines and the like. The material with high temperature is not suitable; the dryer has the advantages of fast drying speed, high evaporation strength and good product quality. The paste material of the dewatering filter cake needs to be granulated or stripped. dry.
The working principle of the mesh belt dryer is that the raw materials are sent into the spiral combustion furnace through the feed fan to vortex and burn, and the generated furnace gas is modulated by dust removal and properly mixed with air to enter the mesh belt dryer kiln for heat dissipation. Inside the device. An axial fan is arranged at the top of the kiln, and the generated air volume passes through the pile and heats the wood. The circulating chamber is equipped with a circulating steam generator, and the mesh belt dryer can be appropriately sprayed and tempered according to requirements to ensure the quality of the wood mesh belt dryer. The belt belt dryer of the machine belt has a rectangular inclined wall type, and the front end has a certain inclination to make the air volume distribution uniform. The rear end is composed of an axial flow fan, a radiator and a deflector to form a complete Fan room for easy maintenance and repair. The fan rotates smoothly and reliably, with high efficiency and large air volume.
Characteristics
(1) The vibration and impact of the material on the dryer are slight, and the material particles are not easy to be pulverized and broken, so it is also suitable for drying some materials that are not allowed to be broken.
(2) The dryer is not only for material drying, but sometimes the material can be baked, fired or matured.
(3) The structure of the dryer is not complicated, the installation is convenient, and it can run for a long time. When a fault occurs, it can enter the interior of the cabinet for maintenance and repair.
(4) The air volume, heating temperature, material residence time and feed rate can be adjusted to achieve the best drying effect.
(5) The equipment configuration is flexible, and the mesh belt washing system and the material cooling system can be used.
(6) Most of the air is recycled, which saves energy.
(7) Unique air distribution device to make the hot air distribution more uniform and ensure the consistency of product quality.
(8) The heat source can be matched with steam, heat transfer oil, electric or coal-fired (oil) hot blast stove
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Label: Structure principle and characteristics of mesh belt dryer
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