RU2298596C2 - Multi-purpose machine for loading raw materials into electrolyzer - Google Patents

Abstract

FIELD: non-ferrous metallurgy; equipment for production of aluminum by electrolytic method; electrolyzer servicing equipment.

SUBSTANCE: proposed machine has bin mounted on self-propelled chassis, screw feeder and guide chutes. Screw feeder is mounted at angle of 35-45° to vertical and is provided with hydraulic drive with reduction gear located in upper part of screw feeder. Lower part of screw feeder is combined with lower taper part of bin. Machine is provided with two changeable guide chutes of different length.

EFFECT: extended functional capabilities of machine; improved ecological conditions in electrolysis shop.

4 dwg

Description

The invention relates to ferrous metallurgy, to equipment for producing aluminum by the electrolytic method, in particular to devices for servicing electrolyzers.

A device is known for transporting and loading bulk materials into aluminum electrolysis cells, containing a hopper mounted on a self-propelled chassis, a feeder in the form of a screw and a loading unit (USSR Author's Certificate No. 729285). The device is intended for loading materials into the electrolyzer on the electrolyte crust.

The disadvantage of this device is the inability to use it to load alumina into silos for automatically feeding alumina to an aluminum electrolyzer.

A device is known for transporting and loading alumina materials into aluminum electrolysis cells, comprising a hopper mounted on a self-propelled chassis, a screw feeder and a loading unit. The auger is driven by a self-propelled chassis drive. The device is intended for loading alumina into bunkers for automatically feeding alumina from an aluminum electrolyzer (RU certificate for utility model No. 32116).

The disadvantage of this device is the inability to use it to load material into the electrolyzer on the crust of the electrolyte and in the hopper of the electrolyzer.

The objective of the invention is to expand the functionality of the machine and improve environmental conditions in the electrolysis shop. A universal machine for loading raw materials into aluminum electrolysis cells allows loading directly onto the electrolyte crust into the electrolyzer and into the bunker for automatically feeding alumina to the aluminum electrolyzer. In the process of loading alumina into the electrolyzer, an environmentally friendly screw feeder drive is used.

The technical solution of the problem lies in the fact that in the machine for loading raw materials into aluminum electrolyzers containing a hopper mounted on a self-propelled chassis with a cab, a feeder in the form of a screw and a guide tray, the screw is installed at an angle of 35-45 ° from the vertical and has a hydraulic drive with reducer located in the upper part of the screw, while the lower part of the housing of the screw feeder is combined with the lower conical part of the housing of the hopper, and for the possibility of loading raw materials into the hopper and directly onto the electrolyte crust, two and interchangeable tray guides of different lengths.

Figure 1 shows a machine for loading raw materials into aluminum electrolytic cells, side view.

Figure 2 shows a machine for loading raw materials into aluminum electrolyzers with a long guide tray, rear view.

Figure 3 shows a machine for loading raw materials into aluminum electrolyzers with a short guide tray, rear view.

Figure 4 shows the screw drive.

The machine consists of a self-propelled chassis 1 with a cab for the driver. A hopper 2 is installed on the chassis, equipped with a screw feeder 3, which has a guide tray 4. In the upper part of the screw feeder 3, its drive is located, consisting of a hydraulic actuator 5 and a reducer 6. The feeder 3 is installed at an angle to the vertical α = 35-45 °.

The housing of the feeder 3 in the lower part is aligned with the conical part of the housing of the hopper 2.

The machine has two interchangeable trays 4. One short tray is for loading raw materials into the electrolysis bin and one long one is for loading raw materials directly onto the electrolyte crust. To service the hopper there is a ladder 7 mounted on the hopper.

The machine operates as follows.

When loading raw materials into the electrolysis hopper, a short tray 4 is fixed on the feeder 3, drive up to the automatic alumina feed hopper of the electrolyzer, direct the tray 4 into the hopper and turn on the hydraulic drive 5 of the screw feeder 3, which starts loading the raw materials into the hopper.

When loading raw materials directly into the electrolyzer on the crust of the electrolyte on the feeder 3 fasten a long tray 4 and load the raw materials in the right place of the electrolyzer.

The location of the axis of the feeder screw in the range of 35-45 ° makes the machine universal, allows you to load raw materials into the hopper and directly onto the electrolyte crust, using interchangeable guide trays.

Claims (1)

A universal machine for loading raw materials into aluminum electrolysis cells, containing a hopper mounted on a self-propelled chassis with a cab, a screw feeder, characterized in that for the possibility of loading raw materials into the hopper and directly onto the electrolyte crust, it has two interchangeable guide trays of different lengths, the screw is installed at an angle of 35-45 ° from the vertical and has a hydraulic actuator with a reducer located in the upper part of the screw, and the lower part of the feeder housing is combined with the lower conical part of the hopper body.

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