Flotation machine is applicable to grading of non-ferrous and ferrous metal, also applicable to grading of nonmetals, such as coal, fluorite and talc. The impeller of flotation machine is driven by motor v-belt, centrifugal effect is thus produced and negative pressure is formed, which, on the one hand, absorbs adequate air to mix with ore pulp, and on the other hand, stirs the ore pulp and mixes the ore pulp with medicines and refine bubbles; thus, the minerals will be adhered to the bubbles and float to the pulp surface and form foam layer. Adjust the opening of flash board and cone valve and control the liquid level to make the useful bubbles scraped out by scraper blade. For selection of flotation machines, the following information shall be indicated: Models, specifications and number of flotation cells. Number of scraper blade devices (left or right). Single-side scraping or double-side scraping. Numbers of feed boxes, middling boxes, tailing boxes, feed pipes and middling pipes. Liquid level can be controlled manually, electrically or automatically. Deployment diagram of flotation technological process should be provided.

  Structural features: it absorbs air and ore pulp naturally, impeller is with backward inclined double-side blade and can realize dual cycle of ore pulp in the cell; there is big gap with the cover plate, and air inflow is less influenced when in the case of abrasion; it is with large air inflow, forward inclined cell, small dead angle, and high movement speed of foams.
　Performance features: large air inflow and low energy consumption; it is arranged horizontally without the need of foam pump; low peripheral speed of impeller and long service life of impeller cover plate; the ore pulp realizes (upper and lower) dual cycles in a fixed manner, which is conducive for suspending of coarse minerals.
　It can form combined flotation unit with JJF flotation mechanism as the suction cell of each operation.

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