The invention relates to an efficient
beneficiation process for recycling iron from iron
tailings, which comprises the following steps of: feeding
magnetite tailing pulp into a tailing recycling
machine, feeding concentrate of the recycling
machine into a first-section
magnetic separator, and feeding concentrate of the first-section
magnetic separator into a concentration
magnetic separator; directly feeding concentrate of the concentration magnetic separator into a
tower mill, feeding discharged ore of the
tower mill into a swirler, and returning settled sand of the swirler to the
tower mill to form closed-circuit ore
grinding; overflow of the
cyclone is fed into a second-stage magnetic separator, second-stage magnetic separator concentrate with the grade being 38% or above is obtained, and the second-stage magnetic separator concentrate is fed into a moxa sand mill; ore discharged by the moxa sand mill is fed into a third-section magnetic separator, concentrate of the third-section magnetic separator is fed into a fourth-section magnetic separator, concentrate of the fourth-section magnetic separator is fed into an elutriator, the concentrate of the elutriator is final concentrate, and the grade reaches 66% or above; the elutriator returns to the first section, the second section, the second section, the third section and the fourth section, and
tailings of the magnetic separators are converged into comprehensive
tailings. By optimizing the technological process, the concentrate grade is improved by more than 2%, and meanwhile, the tailing grade is reduced by 0.3%.