SU1411554A2 - Rotary furnace for roasting loose materials - Google Patents

Abstract

The invention relates to roasting units used in ferrous and non-ferrous metallurgy, and is aimed at improving the reliability of operation of the furnace. The furnace contains a lined casing 1 with blocks 9 having openings 10, covered with hinged gates 12, and loading chutes 2 installed on the outside of the casing 2. On the back walls of the xx blocks 9 is razmeh, chain 13 is attached and attached at one end to block 9, and the other to the gate 12. Thanks to the installation of the chains 13, the operation of the gates 12 at any temperature conditions of the furnace operation and their smooth rotation relative to the axes of attachment are achieved. 3 il.

Description

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The invention relates to rotary kilns for firing bulk materials, can be used in ferrous and non-ferrous metallurgy, and is an improvement of the invention according to the author. St. No. 569621.

The purpose of the invention is to increase the reliability of the furnace.

FIG. 1 shows a furnace area with a charging device; in fig. 2 is a section A-A in FIG. one; in fig. 3 is a view B in FIG. 2

On the outer section of the cylindrical body 1, the loading chutes 2 are rigidly fixed, on sector 3 there is a sector 4. The scaffold 6 is attached to the scoop 5, changing the living section 7 of the scoop 5. The scoop 5, the adjusting gate 6 and sector 4 limit the loading capacity 8.

Inside the furnace, in the area of the loading chutes 2, there are blocks 9 with openings 10, which expand to the working element of the furnace, blocks 9 flush with the inner wall of the lined housing 1 on hinges 11, there are gates 12. At the rear wall of the block 9 and at the opposite end the gate 12 is fixed to the chain 13 and laid on the gate 12 parallel rows.

At the furnace, in the zone reached by scoops, there is a bunker 14 with a bulk component.

Rotating oven works as follows.

When turning the furnace, the scoop 5 scoops out the component 14 into the hopper 14, the amount of the scooped component is regulated by the adjusting valve 6 by changing the living section 7 of the scoop 5. By further turning the furnace, sector 4, turning on axis 3, gives access to the loose component in loading chute 2

with chains 13 placed on it, freed from the layer of material being processed on it, under the action of its own weight and the weight of chains 13 rotates on hinge 11, opens hole 10 in block 9. At the same time, the bulk component is fed from the cavity of the loading chute 2 into the furnace, and sector 4 further under the influence of its own weight locks the cavity of the loading chute 2. The position during rotation of the furnace is changed.

 The chuber 12, under the influence of its own weight and the weight of the chains 13 turning on the joint 11, closes the opening 10, preventing access to the material being processed into the loading chute 2.

By installing the chains 13, the operation of the gates 12 is achieved at any temperature conditions of operation of the rotary kiln, the smoothness of their rotation relative to the axes, which ensures the continuous supply of the component to the working cavity of the rotary kiln.

Claims (1)

Invention Formula 0 five Rotary kiln for firing bulk materials according to ed. St. No. 569621, characterized in that, in order to increase the reliability of the operation of the furnace, it is provided with chains mounted on the outer walls of the gates, fixed at one end to the block, and at the other side - to the gate. 7 / Fig.Z