Vertical rotary type zinc rain condensator

Abstract

The invention relates to an upright rotary zinc-splash condenser, wherein a plurality of rotor-impeller splash zinc-splash condensers which are arranged side by side are perpendicularly arranged inside a sealed zinc-splash condenser. The upright rotary zinc-splash condenser belongs to the field of smelting equipment, and is characterized in that at least two rotor impellers are perpendicularly arranged inside a sealed hearth of the zinc-splash condenser; one end of each rotor impeller provided with graphite impellers is extended into a zinc liquid storage tank at the bottom of the sealed hearth, and the other end of each rotor impeller provided with belt pulleys is positioned above the outside of the sealed hearth of the zinc-splash condenser; the sealed hearth of the zinc-splash condenser is rectangular; the zinc liquid storage tank is arranged at the bottom of the inside of the sealed hearth; a circle of zinc liquid storage tank external circulation out-feed channel is arranged on the periphery wall of the sealed hearth and communicated with the zinc liquid storage tank in the sealed hearth; a plurality of cooling circulation tubes are arranged at the bottom of the zinc liquid storage tank; and the rotor impellers consist of cast ion supports, graphite sleeves, upper main shafts, lower main shafts, the graphite impellers and the belt pulleys. The device has the advantages ofsimple structure, convenient assembly, safe operation and low production cost and processing cost, solves the problem of electric furnace zinc smelting technology, and lays a foundation for production of large-scale zinc smelting electric furnaces.

Description

Technical field: [0001] The invention relates to a splash type zinc rain condenser with several rotor impellers arranged side by side vertically installed inside the sealed zinc rain condenser. It belongs to the field of smelting equipment. Background technique: [0002] Zinc smelting methods can generally be divided into two categories: one is pyrometallurgy and the other is hydrometallurgy. Pyrochemical zinc smelting: The first step in zinc smelting is to roast the zinc sulfide concentrate. The obtained sulfur-free roasted ore is mixed with a carbonaceous reducing agent. When heated to about 1100°C, the zinc is reduced. The boiling point of zinc is 907°C, so zinc is introduced into a gaseous state into a condenser to condense into liquid zinc, and then cast into an ingot to form a product. There are distillation method, blast furnace method and electrothermal method in fire zinc smelting. The characteristic of electrothermal zinc smelting is to use electric energy to di...

AI Technical Summary

Problems solved by technology

When working, the rotor impeller in the zinc rain condenser forms an angle of 45° with the zinc liquid surface, and the rotor impeller drives at high speed to raise a layer of zinc rain curtain, so that the overflowing or raised liquid zinc rain curtain can fully contact the zinc furnace in the vapor state Gas contact, change the gaseous vapor zinc into zinc rain (liquid metal zinc) as soon as possible, and fall into the middle cavity of the condenser. But these zinc rain condensers can only be installed with one rotor impeller, in order to improve the cooling efficiency and the unit output of the condenser , can only rely on increasing the number of zinc rain condensers, which will cause the structure of the overall condensation chamber to be complicated, and the content will be easily blocked, which will affect the zinc output and direct recovery rate; on the other hand, when the rotor impeller rotates in an inclined state, the blades The center of gravity is constantly changing, resulting in poor stability when the entire obliquely installed rotor shaft rotates, and the installation of the rotor impeller is difficult

When working, only two pieces of the rotor impeller are actually immersed in the zinc liquid. Only half of the zinc rain curtain raised by the high-speed rotation of the rotor impeller can contact the furnace gas containing zinc vapor, and the other half cannot contact the zinc rain, and its condensation efficiency is low. Ultimately affect the production of crude zinc production

This type of single electric furnace produces crude zinc, and the largest one can only produce 5,000 tons of crude zinc per year.

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