Forage grass is an important feed for livestock. In order to preserve the nutritional value of forage grass, wet forage grass needs to be dehydrated and dried for preservation. The working principle of the forage grass dryer is introduced below.

Forage drying equipment generally adopts the drum type, which is low in cost, simple in operation, large in output and good in drying efficiency. It mainly uses low-temperature hot air rapid drying technology for drying and dehydration. The heat exchange between the heated air and the wet green fodder can be realized in a co-current or counter-current situation, and the wet green fodder enters the feeding end of the pasture drying equipment through the feeding group. Under the action, a uniform material curtain is formed through the copying plate, and the heated air is in contact with the material curtain to achieve sufficient heat exchange. Finally, a dust removal device is introduced in the discharge area, which is discharged into the atmosphere after purification. Heat exchange is the most critical link of pasture drying equipment, requiring the combined effect of various factors such as material curtain, hot air volume, wind speed, temperature, internal layout of the drying area, and equipment passing rate to improve heat utilization and ensure drying. quality.

The gas flow is: the pasture dryer is equipped with an indirect clean hot blast stove. The clean air is pressurized by the blower and enters the heat exchanger for heating, and the temperature reaches 150-350°C. The material and evaporated water, the temperature is lowered to 35-55 °C and discharged from the dryer, and the dust-laden moisture is purified and discharged by the dust collector.

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