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Metallurgical furnace

A metallurgical furnace and furnace body technology, applied in the field of metallurgical furnaces, can solve the problems of difficulty in building a laterite ore smelter, using a large amount, and high cost of smelting laterite ore, so as to reduce direct discharge and operation of adding melt, and increase the amount of slag storage , The effect of reducing the consumption of tools

Inactive Publication Date: 2017-08-01
CHINA ENFI ENGINEERING CORPORATION
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a metallurgical furnace to solve the problem that the smelting process in the prior art needs to use a large amount of electric energy or coke, which leads to the high cost of smelting laterite ore and the difficulty of building laterite ore smelting in areas without or lacking electricity. factory problem

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Embodiment Construction

[0034] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0035] The central axis of the furnace body 10 is the axis extending from the melting and reduction chamber 11 to the depletion chamber 12, and the furnace body 10 is arranged symmetrically with respect to the central axis.

[0036] Such as Figure 1 to Figure 4 As shown, the furnace body 10 of the metallurgical furnace of the embodiment of the present invention is formed with a melting reduction chamber 11 and a depletion chamber 12 communicating with each other. The main function of the cavity 11 is to form a high temperature zone where the heat is concentrated, where the mineral material is melted, and the main nozzle 20 is used to spray the mineral material into the melting reduction cavit...

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Abstract

The invention provides a metallurgical furnace. A melting reduction cavity and a depletion cavity which are communicated are formed by a furnace body of the metallurgical furnace, a main nozzle communicated with a chamber of the melting reduction cavity is formed in the wall of the melting reduction cavity, the main nozzle is used for spraying ore charges into the melting reduction cavity, the ore charges are melted, a plurality of depletion electrodes are arranged on the wall of the depletion cavity, the ends of the multiple depletion electrodes are inserted into molten liquid in the depletion cavity to carry out depletion reduction on the molten liquid, and a metal discharging opening and a slag discharging opening are formed in the wall of the depletion cavity. The metallurgical furnace can solve the problems that in the prior art, the smelting flow needs a large amount of electric energy or coke, consequently, the cost of lateritic ore smelting is high, and a lateritic ore smelting plant is difficultly built in the area without electricity or lack of electricity.

Description

technical field [0001] The invention relates to the field of nonferrous metallurgy, in particular to a metallurgical furnace. Background technique [0002] In the pyrometallurgy process of laterite ore in the prior art, the relatively mature and widely used smelting process is the rotary kiln-electric furnace (RKEF) process, which uses a certain amount of coal in the smelting process, and in this process The key equipment is the electric furnace, which needs to use a lot of electric energy in the smelting process. [0003] Most of the origins of laterite mines are relatively backward and remote areas. The infrastructure of these origins of laterite mines is backward and there is no large power grid. It is very difficult to build a smelter that uses the RKEF process to smelt laterite ore in these areas of laterite ore origin: first, the investment in building a large-scale power plant is huge; Large-scale power consumption has a great impact on these isolated grid power pla...

Claims

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Application Information

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IPC IPC(8): F27B19/02
CPCF27B19/02F27M2003/13
Inventor 曹珂菲张振民李东波冯双杰崔大韡黎敏陈学刚周刚邬传谷李曰荣
Owner CHINA ENFI ENGINEERING CORPORATION
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