SU61336A1 - Drum cementation apparatus for continuous metals - Google Patents

Description

The process of precipitation of metals from a solution by other metalmams, which is ignited by cementation, lixieer and iso nkomeneng.s in hydrometallurgy. He practices; as a liter izv.techeii mi.ch.tov from ore solutions, and with the price,: 1yo cleaning after. For example, jelly cementation: ohm is used for imitation, copper removal from mine water, and zinc cementation for purification from copper and cadmium and mineral solutions obtained by leaching wallpaper; Key zinc concentrates. As a periodic batch process, this method of removing copper and cadmium from solutions has significant drawbacks.

Known for non-breaking cement segregation of dissolved metals, carried out in drum airatates, rotating around the longitudinal axis. The delivery and dispensing of solutions take place through hollow pins, to trap large pieces of unreacted meta, especially special nets.

The proposed annarate, which carries out the process of cementation of metals continuously from solutions of their salts, is also arranged in the form of a drum, rotating around — longitudinal hollow oceii, through which the solution is supplied and produced, in which large pieces of cement, such metal, are also retained by the segca, but unlike Other drums are not harmful, the tapped drum has several successively arranged nets with gradually decreasing cell sizes. Grids intended for clasping particles of the cementing metal are associated with reflective surfaces that serve to return the apparatus through the mesh particles to the cavity of the apparatus.

The drawing shows a longitudinal vertical section of the apparatus. The cylindrical part / drum made of wooden rivets, no. 6133G-2 ki (or of boiler iron), is bolted to the cast-iron rings 2 and 3 and futures from the inside with wooden snails 4 on the end of the Lining and prevents the drum cover from wear and tear. corrosion, if it is iron; It can be easily replaced by a new one. The rivet is mounted outside by hoops 31. A cast-iron lid 5 is fastened to the ring 2, which is supported by noAuiHHHHK 6 and goes into a cylindrical nozzle that serves as a hollow tee pin. The trunnion protects against corrosion of the cone iiii iM with a bronze ring 7, and the key 5 and ring 2 with bronze plates M S. S no; ioii the axle pin 5; a bronze or copper cochlear 5, through which the drum is fed with mortar and granules from a wooden receiver 10. To the ring 3 of the cylinder there is attached another drum cover, which consists of two parts Y / and 12, which form a conical space for entry: the hydraulic classification system. The part 12, which is represented by the crew at the drum head, is made folding, for which it is connected to part II by an ordinary hinge joint (not shown in the drawing); this ensures a comfortable and easy change of worn meshes. To prevent the zinc granules from being removed from the drum by a stream of solution., A ceiKa 13 with cells of a size of 3-5 mm is installed by a grading device. The mesh is attached to a pig-iron grate 14 with 5 mm cells, which pinches it from rapid wear, which bolts to an iron ring 16 attached to the ribs / 7 of the iron ring with iron pads / 5 in order to prevent the grid from blocking the face; 1 mn, an iron cone J8 is attached to the ring / 6, which plays the role of an enclosing surface: as the drum rotates, large grains of tspika roll into its cylindrical part. Passing through the bottom 14 of grid 13, the solution together with cement sediment and fine grains of zinc is guided by a cone 19 onto the grid 20 with cells of 1 km: through the dam seg, the solution carries cement G. the sediment and zinc grains are smaller than I mm into chamber 21. Here, small grains of zinc fall on the conical diode 2 and roll down; together with large zinc grains converging from the grid 20, they enter pockets 22 formed by blades 23, part // and ribs 17. Blades 23 are set with a certain inclination to the radial section of the drum in its outer corner rotated, so that the pockets in its upper The position is emptied, a little not income to the vertical plane. But the passage through the axis of the drum. Due to this, the rotor flushes out the pockets of zinc grains on the outer surface of the cone 19, which is equipped with ribs 24, and from this surface it is turned back to u1., The undry part of the drum passes through the grid between the grid 13 and the grate / - / p between the rack and 18 from chamber 2 is pulverized into chamber 25. In this case, so that there is no pulp dvigate on the surface of segment 20, a screen 26 is installed with a central opening 27. In chamber 25, the velocity of the ascent is increased; speed rava na days of grains 170-200. (with a specific gravity of about 7), i.e., grains having a particle size of cement cement. Thus, in the chamber 25, the dalpeing classification takes place, and zinc zerps larger than 170 mVh are deposited on the drip bed, but with which they slide down into the pockets 22 Ochidean mortar carrying cement sediment leaves the drum through the discharge neck 28. attached to the lid 12. D, l additional release of the grains of the kick from 1 are straight, the neck 6 is provided with a screw edge 32, which directs the zinc grains deposited between the turns of the grain back into the chamber 25.

All parts of the drum on the discharge side can be made of iron and cast iron, moreover, without a protective lining, since the copper is completely precipitated from a solution of ei1c in the immediate vicinity of the ITU1 of the cupola.

The unloading cover of the drum through the band 29, attached to the ring., Oiiraets on two rollers (not shown on the drawing), reinforced in special h oiora. X. Drum 1 is rotated into rotation through gear W, Nrkrenlein to 1 hour (), at 2 and krpnke 5.

For the embankment below the level of the uiiiiKOBoro moss, there are 2-3 airtight hatches in its basement.

Subject invention

1. Drum annarat for continuous cementation of metals and; solutions of their salts, rotating around longitudinal hollow axes used for nodachn and discharging a solution to be processed, with a grid for holding large pieces of cementing metal, using a few sequential grids with gradually decreasing cell size to classify cementing metal particles.

2. The shape of the drum machine according to and. 1, characterized in that the grids are associated with reflective surfaces. intended to be returned to the cavity of the apparatus not passed through the grids of cement particles 1 metallic metal.

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