What is roughing? What is selected? What relationship between them?
Technical staff of Zhengzhou Dehong Machine Manufacturing Co., Ltd. has summarized basic knowledge about mine-selecting as follows: roughing, selected, sweep, mainly refers to the flotation machine (mine flotation), magnetic separator (dry-type magnetic separator, wet magnetic separator) and other mineral processing equipment.
After the primary ore will be one part of the water content of gangue or rock elected, but was higher than the ore grade of the product, known as crude concentrates, generally also fail to concentrate the quality requirements, the process known as the roughing operation. The crude concentrate to be eligible for re-election of concentrate, which called the selection process work. Sometimes the need to concentrate through the rough times to get qualified selection of concentrates, followed by its operation as a selection, second selection and third selection ... ...
Ore processed through the sorting operation to remove most of the gangue and impurities, so that useful minerals were enriched product called concentrate. Concentrator Concentrate is the final product, sometimes called the final concentrate, generally as a raw material for smelting. Concentrate to the final major components and impurities it has reached the national standard, can be called qualified concentrate.
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