(1) The useful mineral and the gangue mineral are not sufficiently separated from the monomer;
(2) It is not easy to suspend in the flotation machine, and the probability of collision with bubbles is reduced;
(3) The coarse particles move in the slurry and encounter turbulent oscillations, causing them to fall off the bubbles.
Measures: Minerals that can be dissociated at a relatively coarse particle size are often re-selected. When the treatment of flocculated minerals must be treated by flotation, the usual strengthening measures are:
(1) strong collector collecting capability, and increasing the collector dosage appropriate to enhance the fixing strength of the particles and air bubbles. Sometimes use an auxiliary collector such as a non-polar oil;
(2) Properly increase the amount of aeration to provide more suitable bubbles to create conditions for flotation of coarse particles;
(3) Selecting flotation equipment suitable for coarse flotation, in order to prevent coarse particles from forming sediment in the flotation equipment, a shallow trough flotation machine with large floating lift and large internal circulation should be used;
(4) The use of a higher concentration of pulp, which increases the concentration of the agent, can also cause the particles to receive a large lifting force. However, it should be noted that when the slurry concentration is too high, the flotation process will be deteriorated and the selectivity will be lowered.
Feature & benefit
1. Energy saving: only drainage, no exhaust;
2. Efficiency: word displacement, low frequency of action, long service life;
3. Reliability: It is best not to have movable parts in the water storage tank. Because condensation is corrosive, there are no movable components in the water tank, which can reduce the failure rate and improve the reliability.
Working Principle
Advantage
1.Automatic drains are often at the lowest end of air compressor piping or other compressed air treatment systems. The advantage is that no manual care is required.
2. Even in places where the space is relatively small and too high, it can also play a good drainage effect.
3.It can prevent the artificial drainage from being forgotten and causing the tight air to be re-contaminated with condensed water.
Drains are designed with float ball drain system. The outlet of the drain will close and stop draining if the draining buoyancy is smaller than the float ball's weight and the pressure from the compressed air. It will have a trickle of drainage if the float weight and pressure are balanced. It will open and start draining if the draining buoyance is greater than the float ball's weight and the pressure from the compressed air. It works cyclically according to the buoyancy.
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