How to choose the characteristics of coal flotation agent flotation sludge production process, flotation reagent selected basic principles are as follows: 1, in the choice of the agent, to analyze the treated slime floatability and metamorphism, size distribution, contained The type and nature of the impurities, the degree of oxidation of the coal, and the like. They not only determine the type of agent used, but also the amount of the agent. For example, when flotation is used to oxidize deeper slime, the use of non-polar and heteropolar agents can often achieve better results. 2. The medicine used should be harmless to the human body. No strong irritation or adverse effects on human respiratory organs, eyes and skin. 3. The selected agent should have a better selectivity and a larger flotation speed in the flotation process in order to obtain a higher quality foam product and a larger flotation production capacity. 4. Selecting the agent, especially when selecting the foaming agent, pay attention to the properties of the foam formed, and create favorable conditions for the filtration and dewatering of the flotation foam product. If the foam layer is too viscous or the bubbles are too stable, it has been proved that collectors and foaming agents are necessary for elbow use. It is difficult to find a drug that meets the requirements in both the harvesting performance and the foaming performance, so that two or more agents can be used at the same time, and a good flotation effect can often be obtained.
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