SU1335790A1 - Drier for loose materials - Google Patents

Abstract

The invention relates to agriculture. The invention makes it possible to increase the uniformity of drying by adjusting the flow rate of the material (M). Wet M, such as grain, enters the shaft 1 with perforated walls 2 and 3. The heat carrier for blowing M is supplied from the side of wall 2, as a result of which M in the last zone dries quickly and its humidity becomes less than that of wall 3. For release M a hopper with an inclined bottom 5 is installed. At an angle to the latter, from the side of the heat carrier inlet side, a partition 6 is installed. Due to the partition 6, the layer of the latter is located under a layer of dried grain. If it is necessary to lower the moisture content of the grain, the shutter 7 is closed at the outlet. As a result, the movement of the grain layer in the exit zone of the coolant slows down and remains unchanged in the entry zone. This leads to a decrease in the moisture content of the grain at the exit. 1 il. (L with with cd with about sihoi material

Description

11335790

The invention relates to a device for drying bulk materials and can be used in agriculture.

The purpose of the invention is to increase the uniformity of drying by adjusting the flow rate of the material.

The drawing schematically shows a dryer, a general view.

Dryer 1 consists of a shaft with two perforated walls 2 and 3 and a pipe 4 to enter the coolant. A material hopper with an inclined bottom 5 and a conical guide partition 6 are installed to release the material. A cylindrical damper 7 is installed in the bottom 5 to regulate the speed of material release from the mine.

The dryer works as follows.

Wet bulk material, mainly grain, is poured into the shaft 1 and blows it through the pipe 4 with a heat transfer medium. As the coolant moves from wall 2 to wall 3, it transfers energy to evaporation of moisture and is saturated with water vapor .. The drying process is most intense near wall 2. Therefore, the material in this zone dries quickly and its moisture becomes lower than that of wall 3 The output comes dried and undried grain. In this case, a layer of wetter grain is located below, and a layer of a drier, due to the guide partition 6, is located above the layer of wet.

Compiled by I.Nikulin Editor I.Tupitsa Tehred M.Didyk Proofreader A.Zimokosov

Order 4036/33 Circulation 635 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

 Production and printing company, Uzhgorod, st. Project, 4

If it is necessary to lower the moisture content of the grain, the flap 7 is covered at the outlet. As a result, the movement of the grain layer in the exit zone of the drying agent slows down and remains unchanged in the entry zone. This leads to a decrease in the moisture content of the grain at the exit. In this case, the change in the grain behavior occurs without delay. At the same time, an increase in the exposure of the drying occurs, since in general the intensity of the flow of grain from the dryer decreases.

With a decrease in the moisture content of the grain at the exit, the flap 7 is slightly opened and the proportion of grain from the zone of the drying agent's output increases. It is possible to connect the shutter 7 to an actuator, which is activated when the moisture content of the grain deviates from the set value, and thus automatically controls the drying process.

Claims (1)

Invention Formula Dryer for bulk materials containing a shaft with perforated walls and an outlet hopper with a sloping bottom and discharge chute, equipped with an adjusting valve, and a heat carrier inlet pipe, which is different in order to increase the uniformity of drying by adjusting the material flow rate in the bunker at an angle to the bottom of the pipe from the side of the heat carrier inlet pipe, a baffle plate is installed, and a valve is inserted into the chute from the bottom of the bunker.