Dryer use, working principle, performance characteristics
First, dryer use:
Rotary dryer (also known as rotary dryer) is a commonly used cement drying equipment, and is also widely used in metallurgy, mining, chemical and other industries. The rotary dryer is suitable for drying various materials, simple operation, good dust sealing performance and convenient maintenance. It is an ideal drying equipment.
The dryer is mainly used for iron ore, titanium, quartz sand and other minerals. The material can dry various materials. The rotary dryer has strong adaptability, simple and reliable operation, reasonable structure and wide application. It has the advantages of precision manufacturing, high output, low energy consumption and easy operation.
A tumble dryer, also known as a tumble dryer, is a desiccant that processes large quantities of material. With the strong reliability of operation, large operation flexibility and strong adaptability, it is widely used in metallurgy, building materials, food, light industry, chemical industry, coal, medicine, mining.
Second, the working principle of the dryer:
The dried wet material is sent to the hopper by a belt conveyor or a bucket elevator, and then fed through the hopper through the feeding pipe into the feeding end. The slope of the feed pipe is greater than the natural inclination of the material so that the material flows smoothly into the dryer.
The dryer cylinder is a rotating cylinder that is slightly inclined to the horizontal. The material is added from the higher end, the heat carrier enters from the lower end, and is in countercurrent contact with the material, and the heat carrier and the material are simultaneously flowed into the cylinder. As the rotating material of the cylinder is moved by gravity to the lower end. During the forward movement of the wet material in the cylinder body, the heat supply of the heat carrier is directly or indirectly obtained, so that the wet material is dried, and then sent out at the discharge end by a belt conveyor or a screw conveyor. A copy board is arranged on the inner wall of the cylinder, and its function is to copy and sprinkle the material, so that the contact surface of the material and the air flow is increased to increase the drying rate and promote the advancement of the material. The heat carrier is generally classified into hot air, flue gas, and the like. After the heat carrier passes through the dryer, a cyclone is generally required to trap the material contained in the gas. If you want to further reduce the dust content of the exhaust gas, you should also discharge it after passing the bag filter or the wet dust collector.
Third, the performance characteristics of the dryer:
The rotary dryer is mainly composed of rotating body machine, lifting plate, transmission device, auxiliary equipment and sealing parts. The structure is reasonable, the production is excellent, the output is high, the energy consumption is low, and the operation is simple. The drum dryer is generally suitable for granular materials, and can also be used for partially mixing materials. The dry paste-like material or the material with high water content has the advantages of large production capacity, wide application range, small flow resistance, and operation. Allows for large fluctuations and easy operation.
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