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The users of open pit coal mine are mainly power stations. The particle size of coal requested by power plants is less than 200 mm. Most small and medium size open pit coal mines have no crushing equipment. So the particle size of coal can not reach the requested standard. And that affects the economic benefit of coal mining directly. Build a stationary crushing plant, which not only needs lots of investment diesel jaw crusher, but increases the secondary unlucky links and the cost of production SO the economic benefit of coal mining is not good. Mobile crusher can directly work at cal mining workshop. So it can crusher coals as soon as they are mined. Besides drilling rigs for sale, the granularity is suitable.Henan Daswell Machinery is a professional manufacturer of mining machine for almost 30 years in China. We are dedicated to supplying our customers with best service and products, our major products include:mobile rock crusher,portable jaw crusher,mobile stone crusher,Diesel Engine Hammer Crusher,If you are interested in our products, please contact us freely: sales@daswell.com According to the characteristics of open-pit coal mine producing, small mobile crusher must have the function of walking, loading materials and reprinting besides crushing to meet the requirement of single bucket shipment. Mobile crusher can reduce some middle parts produced by crushing. Mobile crusher consists of the following components: (1)Crusher. There are many kinds of crushers, small diesel jaw crusher and mini impact crusher. (2) Crawler. In order to reduce shipping links, mobile crushing is required to move at any time. Crawler is more appropriate to work at the coal face with the mechanical loader buckets. Mobile crusher can directly use the crawler chassis of excavator or crane as the travel agency of small mobile crusher. Mobile crusher uses motor driving wheel reducer mobile crusher plant, or a hydraulic motor.