subject: The Situation Of Foreign Grain Dryer [print this page] 1cross flow grain dryer 1cross flow grain dryer
Cross flow grain drying machine is currently the United States one of the most popular kinds of drying machine, has the advantages of simple structure, convenient manufacture and use and reliable. The cross flow grain dryer development primarily on improving grain after drying moisture uniformity.
2concurrent flow grain dryer
In concurrent flow grain dryer, hot food and flow direction, commissariat relies on gravity flow downward ( grain layer thickness for general 0.6-0.9m ), the hot air and the wet food contact, it can use high hot blast. The drying machine without a screen, a single stage concurrent flow drying machine generally has an air heater and a blower, exhaust gas is discharged directly into the atmosphere. Most downstream dryer is provided with two or three parallel drying section and a cooling section, and in the two drying section is arranged between in tempering stage.
3counter-current type grain dryer
In a counterflow type grain dryer, hot air and food flows in the opposite direction, the hot air first and most contact with dry food, grain temperature close to the temperature of hot air, so the use of hot air temperature is not too high, and low temperature wet food and low temperature wet air contact ^ so easy to produce saturated phenomenon. Counter flow type drying machine generally comprises a silo and porous bottom plate.
4mixed flow grain drying machine
Mixed flow grain dryer is at present one of the most widely applied drying equipment, its interior is equipped with a plurality of rows of inlet, exhaust angle box, and the inlet, exhaust horn box staggered brush column, commissariat relies on gravity flow downward, subject to downstream, countercurrent cross-flow mode, the hot air heating. As a result of mixed flow type drying machine general strong, low power consumption, good drying quality and growing development.
5cylinder internal circulation type grain drying machine
Cylinder internal circulation type grain drying machine with high productivity, high drying speed, easy to use, such as the characteristics of fast food cycle. You can use a high wind temperature, without making the grain temperature too high, and the drying uniformity.
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