SU381856A1 - RING OVEN - Google Patents

Description

The furnace can be used in various industries, for example in the building materials industry.

The well-known ring-furnace for heat treatment of piece products, including stationary walls and gadfly and a movable ring under with supports.

The aim of the invention is to increase the productivity of the ring furnace. This is achieved by the fact that the stands are mounted on the annular hearth with the possibility of sliding in the radial direction along the direction of it.

FIG. 1 shows a circular oven in plan; FIG. 2 - section along LL in FIG. one; in fig. 3-section bb on. one.

The ring furnace contains a loading section 1, a housing 2, 3 below, and a discharge section 4.

The furnace body (see Fig. 2) consists of walls 5 and a gadfly 6 and is mounted on frame 7. Under the furnace there is a series of supports consisting of a base 6 and a refractory lining 9 and mounted on a metal platform 10 supported on rollers // . In order to prevent radial displacement of the supports, restrictive tires 12 are fixed on the frame 7. To change the supports, each of them is enclosed between two steel rails 13 fixed on the platform 10.

At the loading station (see Fig. 3) there are a pusher M, a lift 15 and a roller conveyor 16. On

The unloading area is 1} the pusher J7, the 18 kg lowering roller conveyor 19. The lift 15 and the lower 18 18 are short roller conveyors mounted on the hydraulic cylinder rods. Under the roller tables 16 and 19, there is a roller table 20 for returning 21 supports released from the products from the unloading area to the loading area.

At the loading area, the products are installed on the stand, and at the unloading area, after thermal processing, they are removed from the supports. Before pushing out the stand with the product from the platform 10, the lift 15 with the free stand and the detachment box 18 without the stand are placed in the upper position. To replace the stand with the heat treated product with the stand with the product to be heat treated on platform 10, the pusher 14 moves the length of one stand in the direction from the elevator to the reducer to the entire row of supports located on the elevator, the roll table 16, platform 10 and 19. A free stand is supplied to the loading area and the unloaded stand is fed to the descender. Then, under the furnace, it is turned at such an angle that the next stand with the product that has undergone heat treatment, stands in a row with stands, is located with la loading and unloading areas.

In the process of turning the hearth, the elevator 15, which is free of the stand, and the descender 18 with the stand without the product are lowered, the pusher 14 returns to its original position, the pusher 17 moves for a single stand to a series of stands on the roller holder and on the roller. Then, the pusher 17 returns to its original position, and the lift 15 with the stand and the descender released from the stand are raised. After this, the cycle of operations is discontinued.

Prev: | 1et invention

An annular furnace for heat treatment of piece products, including stationary walls and roof and movable annular under with stands, characterized in that, in order to increase the productivity of the furnace, the tabs are mounted on the annular hearth with the possibility of sliding in the radial direction along the lines.

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