Refining furnace for smelting copper

Abstract

The invention discloses a refining furnace for smelting copper and aims at providing a refining furnace for smelting copper, capable of accurately controlling pressure in a combustion furnace and reverberatory furnaces. The technical scheme is characterized in that the refining furnace comprises a combustion furnace and a plurality of reverberatory furnaces arranged on the side surface of the combustion furnace, the combustion furnace is connected with a main channel, an auxiliary channel is arranged between the main channel and the upper part of each reverberatory furnace, the main channel communicates with an air drafting assembly, a valve assembly matched in each auxiliary channel is arranged in the auxiliary channel, each valve assembly at least comprises an axial flow fan arranged in the corresponding auxiliary channel, each axial flow fan is connected with a driving component, a plurality of pressure detecting assemblies are arranged in the combustion furnace and the reverberatory furnaces, and the valve assemblies and the air drafting assembly are connected with a control assembly which controls the running of the valve assemblies and the air drafting assembly so as to keep pressure in the combustion furnace and pressure in the reverberatory furnaces in set ranges.

Description

technical field [0001] The invention relates to the field of metallurgical industry, in particular to a refining furnace for copper smelting. Background technique [0002] Copper is a raw material of great strategic significance in the construction of the national economy, and the regeneration performance of copper is better than other metals, so scrap copper has become an important source of raw materials in the production of copper industry. The waste miscellaneous copper smelting process is to produce qualified anode plates after smelting waste miscellaneous copper raw materials; it mainly includes four processes of melting, oxidation, reduction and casting. In order to improve the quality of the anode plate, the furnace negative pressure must be strictly controlled during the smelting process. [0003] The waste miscellaneous copper smelting process generally adopts a refining furnace, which includes a combustion furnace arranged in the middle and a reverberatory furnac...

AI Technical Summary

Problems solved by technology

At present, most of the negative pressure control of scrap copper smelting has no practical and effective control strategy. Generally, multiple induced draft fans are installed and the speed of the induced draft fan is increased to ensure that the furnace body does not "spray fire". As a result, on the one hand, the quality of the anode plates produced cannot be guaranteed; on the other hand, it also increases the energy consumption in the production process and increases the production cost

Images