SU1442800A1 - Method of drying loose material - Google Patents

Abstract

Invention m. used in the food, chemical and pharmaceutical industries. The purpose of the invention is to intensify the drying process and improve quality. Bulk material is treated with coolant in the flowing mode. Wet quartz grit is loaded into the central conical chute through pipe 8. Heat carrier enters through pipes 12 and 13 at a speed of 35-40 m / s and 245-300 ° C. Processing is carried out within 3-5 minutes. 3 il.

Description

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The invention relates to a drying technique and can be used in the food, chemical, pharmaceutical and other industries.

The purpose of the invention is to intensify the drying process and improve quality.

FIG. 1 shows the installation of the method of lization; in fig. 2 — node X in FIG. one; in fig. 3 - holes in the gas distribution rings.

The installation for carrying out the method of drying bulk materials in the flowing mode contains a gas distribution unit made in the form of a system of conjugate in the upper part of the I-4 funnels with slots at the bases 5 and 6 connected to the gas supply box 7. The funnels are made circular and are arranged concentrically circles, in the center of which is placed the boot nozzle 8, and the discharge nozzle 9 is connected to the funnel 4, located around the outer circumference, by means of an annular chute. The gas duct - 1TSI box 7 is divided by a partition into two concentric: located autonomous compartments 10 and 11, each of which through the slot in the base is connected to an individual funnel and connected, respectively, with I a-supply pipe 12 and 13 for supplying heat transfer fluids of various parameters. Spins A chamber has an adjustable cylindrical discharge threshold 14, which is designed to withstand the required material residence time in the drying chamber.

The interleaving device 15 provides the tendency of fine particles of the material to channeling and allows the process to be carried out with elevated layers of moisture and material.

The circular concentric slots of the coolant inlet assembly are made by Tbi.viH, which ensures the constancy of the inlet cross section, the best mixing of the material and the lack of equipment of the device even with a large inlet section. Intermittent gap is achieved by setting the

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the base of the circular bursts of the cylindrical gas distribution rings 16 with one or more rows of holes 17. The installation includes a nozzle 18 for withdrawing the spent heat carrier.

The drying method is carried out in the installation as follows.

Wet quartz grit is loaded from above into the central conical chute through nozzle 8. Heat carrier flowing through nozzles 2 and 13 at a speed of 35-40 m / s and a temperature of 245-300 ° C passes from below through a number of holes in the gas distribution rings 16, creating concentric conical grooves of the fountain-1tsi layers of drying. of my material. The mixing device helps to improve the structure of the layer.

Conjugation in the upper part of the funnel 2 and 3 is made in a vertical direction, and the necessary number of holes in the process of OTKpbUsaTb adjustment makes it possible to change the velocity of the coolant entering the drying chamber, which completely eliminates possibility of formation of acc. th zone.

Dried quartz grit; ero-sprinkling from central to conical. Any BTopOi is a concentrically arranged chute, and i3 through a regulator ;; we operate the discharge jury 14 and | 1 tube 9 — you are a handset with a collection of dry material. Time CVI.;. KH comp. 1 to 3-5;

Dust-like particles together with the waste; the carrier of the viral vehicle through the gtr-ooi 18 and are captured in the cyclone.

Claims (1)

Formula of Bregan The way it is: -1 with extra materials, predominantly kartsevaya, p) processing them with a tag / carrier in a flowing mode, differing in the fact that, in order to intensify the drying process and improve the quality, the treatment is carried out in Gelation 3 -5 MiiH coolant with tempoat .roy 245 - ZOO C at:.: 35–40 m / s. ) ШШ3