World practice in lead production has seen a trend toward switching to autogenous processes. KIVTsET-TsS and TRBC industrial units have been put into operation and experimental research conducted on the Vanyukov, Q-S-L, and other furnaces [1]. However, over an extended period of time there has been a basic reorganization going on at all lead plants in the world which use the agglomeration -shaft furnace smelting technology. The reasons for this - despite the theoretical basis for the autogenous smelting process [2-7] - are the large capital investments and amount of construction that would be required for new installations. Given this situation, it would be desirable to look into possibilities for improving and intensifying the existing technology without having to make significant increases in expenditures for reconstruction. This work looks into some of the questions which can arise when shaft furance smelting is being intensified.
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