High-argillization coal washing agent
A technology of coal washing and reagents, applied in flotation, solid separation, etc., can solve the problems that coal slime water cannot realize closed circuit circulation, clean coal hangs ash, and the effect of water spray for deintermediation is not good, etc.
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[0047] The related technical content not mentioned below can all adopt or learn from the existing technology.
[0048] A coal washing agent with high siltation degree,
[0049] include:
[0050] Collector: N9883;
[0051] Among them, N9883 refers to a new type of flotation reagent of Nalco Company.
[0052] Foaming agent: fusel (also known as fusel oil)
[0053] Flocculant: polyacrylamide, polyaluminum chloride;
[0054] The added amount is per ton of dry slime N9883: 390-440g / t, fusel: 400-430g / t.
[0055] When polyaluminum chloride and polyacrylamide are used together, polyaluminum chloride should be added first and then polyacrylamide should be added. The distance between the two is more than 20m;
[0056] The polyaluminum chloride is prepared in a mixing tank, and the concentration is controlled at 0.5-1.2%;
[0057] When dissolving polyacrylamide, it is required that the speed of the impeller during stirring is less than 400r / min, the stirring time is 1-1.5h, and the water temperature i...
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