35results about How to "Economic benefit maximization" patented technology

The utility model discloses a coal gangue crushing and fine screening system which comprises a crushing and fine screening device, the crushing and fine screening device is composed of a stock bin, a plate type feeding machine, a first-stage crushing machine, a second-stage crushing machine, a screening device, a main conveying belt, a finished product conveying belt and a returned material conveying belt, the plate type feeding machine is located below a discharging port of the stock bin, and the first-stage crushing machine and the second-stage crushing machine are located below the discharging port of the stock bin. The main conveying belt is located below discharging ports of the plate type feeding machine, the first-stage crushing machine and the second-stage crushing machine, the discharging end of the main conveying belt is located above the screening device, and the screening device screens crushed coal gangue according to the particle size. Compared with the prior art, the complete coal gangue crushing and fine screening production line is established, the whole process is completely automatic, manual carrying is not needed, waste of coal gangue is avoided, the coal gangue is fully and comprehensively utilized, multi-stage screening is carried out through screening equipment, various coal gangue particle products are formed, and the production efficiency is improved. And the economic benefit maximization is realized.