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Bottom blowing smelting electrothermal reduction lead and zinc smelting device

An electric heating and lead smelting technology is applied in the field of lead and zinc smelting, which can solve problems such as increasing comprehensive energy consumption, and achieve the effects of avoiding environmental pollution, shortening the smelting process and realizing harmlessness.

Inactive Publication Date: 2013-07-17
CHINA ENFI ENGINEERING CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to realize the harmless and comprehensive utilization of zinc hydrometallurgy slag, rotary kilns, fuming furnaces, top-blown furnaces and other pyrotechnic processes are currently used to greatly increase the overall comprehensive energy consumption of zinc hydrometallurgy.

Method used

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  • Bottom blowing smelting electrothermal reduction lead and zinc smelting device
  • Bottom blowing smelting electrothermal reduction lead and zinc smelting device

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Embodiment Construction

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0020] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...

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Abstract

The invention provides a bottom blowing smelting electrothermal reduction lead and zinc smelting device which comprises an oxygen-rich bottom blowing smelting furnace, an ore-smelting electric furnace and a zinc rain condenser. The oxygen-rich bottom blowing smelting furnace is provided with a smelting feed inlet, a smelting flue outlet and a melt discharge outlet. The ore-smelting electric furnace is provided with an electric furnace feed inlet, a lead discharge outlet, a slag discharge outlet and an electric furnace flue outlet. The electric furnace feed inlet of the ore-smelting electric furnace is connected with the melt discharge outlet so as to enable melts containing lead and zinc oxides and discharged from the melt discharge outlet to flow into the ore-smelting electric furnace through the electric furnace feed inlet. A gas inlet of the zinc rain condenser is connected with the electric furnace flue outlet. According to the bottom blowing melting electrothermal reduction lead and zinc smelting device, environmental pollution can be reduced, sulfuric acid yield is greatly increased, furnace material smelting is omitted, and electric consumption of product unit is reduced.

Description

technical field [0001] The invention relates to the technical field of lead-zinc smelting, in particular to a bottom blowing smelting electrothermal reduction smelting lead-zinc equipment. Background technique [0002] At present, the only process for simultaneously smelting lead and zinc in the world is ISP. The ISP process is to mix the lead-zinc mixed ore with a certain amount of flux on the sintering machine for sintering, desulfurization and roasting. The output hot sintered block enters the sintered block insulation bin, and the hot coke preheated to above 800°C is discharged into the feeding tank from the sintered block insulation bin and coke storage bin in batches, and is fed into the closed blast furnace through the feeding tank, and the closed blast furnace The tuyere is fed with hot air pre-heated to over 800°C by the Kaobei type hot blast stove to reduce and smelt the agglomerate. The crude lead and slag are produced from the furnace hearth, and the zinc-contai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B13/02
Inventor 蒋继穆胡丕成陆志方尉克俭李东波陈德喜王忠实朱让贤
Owner CHINA ENFI ENGINEERING CORPORATION
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