SU1249281A2 - Device for drying vegetative materials by forced ventilation - Google Patents

Description

The invention relates to fodder production, namely, devices for drying by forced ventilation method 5 can be used to dry stalked feed mass and other agricultural crops in a layer and is an improvement of the invention according to the main one, No. 1130248.

The purpose of the invention is to reduce energy consumption and intensify the drying process by uniformly distributing the air flow over the area of the air distribution grill.

FIG. 1 shows a device for drying plant materials by forced ventilation of a general appearance; in fig. 2 shows section A-A in FIG. one

The plant for the drying of plant materials by forced gravity contains an air distribution grid 1 under which two air turbines are installed throughout its area; LSO-distribution chambers 2 in the form of flat trihedral prisms, having a common wall 3, located along the diagonal of the air distribution grid 1. Air distribution chambers 2 are connected on opposite sides each across the entire plate, the walls of the expanding air duct 4 connected to the fan 5 The air supply duct 4 with the fan 5 is placed along a line conventionally dividing the air distribution chamber 2 into two parts of the same area. The fan-shaped deflecting plates 6 are installed at the entrance to the channel 4. The opening angle of the plates is chosen in such a way that the air flow coming from the fan 5 leads evenly to the air distribution area // 7 /

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dividing grid. It was established experimentally that the opening angle between the plates should be in the range of 20-25 °. Inside the chamber 2 5, supports 7 are placed on which lags 8 are placed. The height of the supports with lags is equal to the height of the diagonal wall 3, At the extreme supports 7 in the chamber 2, at the exit of channel 4 are installed

blades 9, obliquely located to the top of the channel with a bent section located parallel to the specified line.

Installation for plant vegetable

The materials works as follows.

On the air distribution grill 1 stack layer dried

material. B work includes fans 5, which supply air to the air, the main channel 4, at the exit of which the deflecting plates 6 evenly distribute the air

the flow at the inlet to the air distribution chamber 2. The air flow through the grill 1 enters the layer of material throughout its area and dries it. As the air comes out

through the air distribution grill 1, the air flow along the air distribution chamber 2 is reduced 5 and the reduction in the cross section of the camera 2 for the passage of air due to its implementation in the form of a triangular prism allows maintaining a constant air flow rate inside the chamber 2. To reduce the aerodynamic resistance of the installation

extreme supports 7, which laid. lags 8, inclined blades 9 are installed, along which the air flow smoothly gets inside the chamber 2.

five

Editor A. Sabo

FIG. g

Compiled by And, Komarova Tehred I., Gavdosh

Order 4220/38

Circulation 634. Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, MocKBaj Ж-35, 4/5 Raushsk nab.

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

Proofreader M. Sharoshi

Claims (1)

DEVICE FOR DRYING VEGETABLE MATERIALS FORCED VENTILATION according to ed. No. 1130248, characterized in that, in order to reduce energy consumption and intensify the drying process by uniformly distributing the air flow over the area of the air distribution grill, each fan in it is installed on a line that conditionally divides the corresponding air distribution chamber into two parts of the same area, and the air supply channel the inlet is equipped with fan-shaped plates with an opening angle of <s Otium 20–25, and at the exit, by blades inclined toward the top of the channel with a bent section placed parallel to the indicated line. > TO)