SU719957A1 - Apparatus for feeding metal production raw material - Google Patents

Description

one

The invention relates to ferrous metallurgy, in particular, equipment for blast-furnace production, and is intended to receive, feed and load coke, sinter or other metallurgical raw materials into bunkers,; . .

The devices of this designation are known, which contain conveyors, bunkers and chutes 1. However, they do not provide reliable cleaning of metal spillage spillages.

The closest to the described invention to the technical essence and achieved. The result is a device for supplying metallurgical raw materials, containing a conveyor with a driving drum, hoppers, and hoppers located under them

.

The lack of such a device is the lack of reliable supply of raw materials and the removal of spillage generated in the overload zone near the conveyors, which requires the availability of additional mechanization means for supplying the raw material and spilled fraction from each place of unloading and transportation to special containers. This is explained by the fact that when the front of several blast furnaces is individually loaded, the spillage from each of these sites is removed and collected in a common tank, which, in turn, necessitates manual labor costs and does not provide high-quality spillage cleaning.

The aim of this process is to improve the supply of raw materials and the removal of spillage.

The goal is achieved by the fact that the conveyor is made composite, and each of its parts is equipped with a load mechanism located above the bunkers, and each drive drum of the part of the conveyor is installed above the start of the next one.

FIG. 1 shows accommodation

0 proposed device, longitudinal section; in fig. 2 - placement of the device in terms of the front of blast furnaces; in fig. 3 - an element of the device in the zone of unloading 5 spillage of the material (node 1 in figure 1); in fig. four -. the same section along aa in fig. 3 (at the place of unloading and removal of metallurgical raw materials).

The device for feeding metallurgic sf contains feed

conveyor 1 connecting the source of production of raw material 2 (coking plant) to transshipment station 3. From the transshipment station along the front of the blast furnaces, a conveyor 4 is installed, made up of short sections with individual, drives, each part of the ch: cascade placement, i.e., the drive bar 5 of one part of the conveyor is placed above the end drum of the other part.

Each part of the conveyor has its own unloading mechanism 7, each of which is intended for feeding raw materials into the bunker 8 of only one of the blast furnaces 9. Each of the drive drums has scrapers 10.

At the place of unloading of the conveyor is fixed hopper 11, under which the feeder 12 is located. Under the pit of the conveyor there is a bunker 13 ,; on the unloading part 14 of which the shutter-tray 15 is hinged; the end of the latter is connected with the drive 17 by means of a rope 16. Under the tray; gate installed railway carriage 18..

The device operates as follows.

From the sinter plant or coke-chemical plant, that is, from the source of production of raw materials 2, the material is fed to the transfer station 3 by the feed conveyor 1. The material is sent to the conveyor 4. In accordance with the programmed software using the unloading mechanism 7, the material is fed into one of the bins 8 of one of the blast furnaces 9. Due to the cascading arrangement of the convector 4, the material spills out again to the tape of the target drum located below it, and in such a sequence moves to the end of the conveyor 4, i.e. the conveyor itself in this

The case serves as a means of transporting and harvesting spillage. At the end of the conveyor 4, the material spills into the hopper 11 and through the feeder 12 into the hopper 13. When the tray-shutter 15 is raised, the spillage remains in the hopper 13. To load the spill into wagon 18 when the drive 17 is thickened, the tray-shutter is lowered, the spill raw materials are loaded into the wagon and disposed of for recycling. In the described device, the spillage of the raw material is collected into one common container, allowing it to be disposed of in a centralized way. The absence of separately located cleaning facilities simplifies the entire system as a whole and improves the cleaning of spillage without additional funds and equipment; it is also possible to dispose of a product unsuitable for the production of cast iron.

Claims (2)

1. Arist L.M. and Tylkin M.A. Modernization and durability of agglomerative and blast furnace equipment M., Metallurgists, 1973, p. 346347. . . 2. Authors certificate USSR 499336, cl. From 22 to 1/16, 1976.