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(1) Renovate existing equipment and reduce energy consumption. For example, if the AC motor is changed to cascade speed regulation, the DC motor should be changed to pulse speed regulation to improve the power factor of the motor; the rock drill should replace the air movement with hydraulic pressure to improve production efficiency and directly save energy; mine transportation equipment such as bucket , cages, mine cars, etc. changed to wear-resistant and lightweight materials to reduce their weight and increase the life.
(2) Make full use of the blasting energy to reduce the power consumption of ore crushing processing. Such as research and application of explosives suitable for a variety of different blasting technology and the application of ultra-fine crushing technology, in order to load, transport, improve production efficiency, reduce crushing energy consumption.
(3) Research and application of new energy-saving technologies for underground mining. Mines that need to carry out underground filling operations should simplify the filling process, increase the filling amount and fill with coarse aggregates; deep mining in the mine, apply a large number of caving mining methods to reduce the amount of excavation and save explosives; apply underground transportation Electrification, the use of electric scraper instead of diesel scraper; the use of underground development of the roadway or stope support new technology; research on waste rock without the pit of the new mining process.
(4) Research and promote the application of energy-saving equipment and process technology for open-pit mining. For example, research should be applied to continuous and semi-continuous transportation processes; large-sized, high-capacity large-scale equipment should be used to replace small-scale and low-efficiency equipment; as far as possible, the slope angle of open-pit mines should be increased, and the amount of peeling of open-pit mining should be greatly reduced.
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