SU1416830A1 - Vibration drier - Google Patents

Abstract

Invention m. used in the drying of fibrous and stalked agricultural agricultural products in storage. The purpose of the invention is to increase operational reliability. The installation contains a triangular air duct equipped with a cable-block system 2 for changing the position of its side walls 1. Below the level of floor 4, channels 3 with rollers 6 are made on the side wall closest to the box on either side of the box . At the end of the drying cable system 2 is released. The walls 1 extend along the rulers 6 into the channels 3 and are laid in a horizontal position. The cable is then automatically disconnected from the walls 1 and removed. On the floor, an additional m. mounted on goat hinges; Bats interacting with the side walls of the box. 2 hp ff, 4 ill. i (L

Description

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The invention relates to the technique of drying grain, mainly seed, as well as for drying seeds under-. podshechnik, castor and other agricultural crops. ; The purpose of the invention is to intensify; test exchange and reduction of energy and cost by conducting the drying process in the optimal mode.

: FIG. Figure 1 shows schematically the vibrating dryer, a general view of; FIG. 2 shows section A-A in FIG. one; in fig. 3-pillar, general view; in fig. 4 a section in FIG. 3

Vibration dryer contains case 1 with loading 2 and discharge 01 01 3 valves, nozzles 4 and 5 dp of drainage and supply of heat carrier. The nozzles are equipped with adjusting-laie slides 6 and 7. In the dryer case there are inclined trays 8, which are connected to the case by Flashgts 9 and 10.

One end of the trays is connected by springs 11 to the housing. The tray itself is connected by a regular bar with 12 nuts 13. These rods are used to adjust the inclination of the trays. T gi connected with trays hinge.

The tray consists of a housing 14, in which the drying chamber 15 and the gas supplying chamber 16 are located, attached to the source of tegshonositel e separated by a grid partition. 17. The tray is equipped with a loading hopper 18 and a material discharge nozzle 19. An axis 20 is built into the gas supplying chamber. Along this axis, 21 trays oscillate on the slide bearings. The bearings are rigidly attached to the body of the tray and have wear rings 22 for creating a hermetic axle-bearing connection. The axis is mounted eccentrically into the tray, with the large arm of the console located on the loading side of the tray. Axis 20 of the floor, from one end open, from the other deaf. It has a double meaning: directing during oscillatory movements of the tray and heat pipe for supplying coolant to the gas distribution chamber. In the gas-supplying chamber, the axis has longitudinal slots 23 for the passage of heat carrier. On one side, an electromagnetic vibrator 24 is mounted on the axis, which is attached to the trench 9 and to the chassis of the lot. On the other hand, the axis ends

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with a flange 10 with a limit switch 25 integrated in it. The electromagnetic vibrator consists of a collector 26 rigidly connected to the flange 9 and a box 27 moving on the axis. The anchor is rigidly attached to the body of the tray and moves along with it. The anchor and the collector have an elastic connection in the form of a spring 28.

The collector consists of a plate 29 with cores 30 rigidly fixed on it, onto which coils 31 are inserted. The coils are pressed against the plate with a crush 32 made of a nonmagnetic material. A limit switch 33 is integrated in the cover.

This & rational dryer works as follows.

Wet material is fed uniformly through the loading shutter 2 into the hopper 18 of the upper chute 8. From the hopper it enters the grid 17 of the drying chamber 15. The drying medium is supplied with heat transfer fluid through the grid from the gas supplying chamber 16, where it enters through the longitudinal slots 23 along axis 20, through pipe 5 from the external heating system. Depending on the material, its humidity, flowability, the temperature, flow (using the adjusting gate 7), the vibration frequency by changing the current in the electromagnet circuit of the vibrator 24 are required. Moreover, the specified parameters of the second tray will be different from the first, since comes on the second henok dried, warmed up, with improved flowability. As a rule, in the first tray, all parameters will be the limit for a given material, and in the second, much less. Next, an electromagnet vibrator 24 is put into operation. Anchor 27 is attracted to cores 30, in which a magnetic field is created by coils 31 connected to the network. The anchor moves along the axis 20 the entire tray, and the vibrator pond 28 is compressed. The anchor acts on the limit switch 33, which disconnects the collector coils and under the action of the spring 28 returns to its original position. Tray 8 with its body presses the limit switch 25, the network of the collector shells is restored and the measles makes a reverse movement. Thus, a tray is communicated with 10 each.

15

transverse vibrations along the axis. Due to these oscillations and the suspension springs 11, torsional oscillations around the axis are induced in the tray. Since the tray is eccentrically on the axis, the largest amplitude will be in the area of its loading with wet material and will gradually decrease towards the axis. Due to this, in the loading zone impulses of greater force will be applied to loosen and move the material having a larger specific gravity than in other places of the tray where the material will be somewhat dried.

Under the action of vibration and the coolant, the material passes to the vibro-bilge state and moves along the tray grate to the discharge nozzle 19. Since the coolant does not have, you do not move directly to the atmosphere as the tray is closed from above, it moves along with the material down to exit the tray and repeatedly contacts with it.

Thanks to such a constructive solution, the drying capacity of the heat transfer fluid is maximally used when it is stuck. Preheating the material (for example, seeds) with a coolant with a temperature that is maximally allowed for it, at the first stage of drying, allows an increase in heat and mass transfer due to the transfer of moisture from the inner layers of the seed to the surface. During the operation of the dryer, the ratio of the amount of input and output heat carrier to the gates B and 7 is regulated. From the nozzle 19, the material enters the second tray 8 ,. where temperature, flow rate and parameters. the vibrations are minimal, taking into account the preservation and intensity of the ears of the preheated and fused material. All processes flow on the second tray in the same way as the first. If necessary, amplitude35

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Yes, oscillations can be set in antiphase to the first tray.

To change the speed of stirring the material over the gratings, an adjustment draft 12 is provided with a nut 13 to change the inclination of the trays.

Claims (3)

1. A vibratory dryer, comprising a housing with trays arranged in it that are paired by means of straps — to move the dried material from the loading to the unloading end, each of which in the lower part is provided with an autonomous gas supply chamber, under; connected to the source of the coolant, and an vibration drive with an axis installed across each tray, characterized in that, in order to intensify heat and mass transfer and reduce energy consumption by conducting an optimal drying process, the axis of each vibration drive is located inside its gas supplying chamber and is hollow with longitudinal This chamber is connected to the source of heat carrier through the cavity of the axis, while the axis is rigidly connected to the housing and the tray is connected by springs. 2. Dryer according to claim 1, that is, with the fact that the vibration drives you are filled with an electromagnetic type and each of them contains a rigidly connected} axis with the plate with the coils strengthened on it around the axis cores and measles are rigidly connected to the tray, and to the stove by means of a spring, and limit switches are additionally installed on both sides of the tray. 3. Dryer according to claim 1, about tl and h and y and so that the axis in each chamber is shifted towards the discharge end of the corresponding tray. 77 yy P 10