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In a densely populated and well developed area like Western Europe, the ground may have been turned-over many times in its life, and so will be softer to dig. In contrast, there is likely to be harder virgin ground to dig in emerging countries. Add to this longer working hours, perhaps more extreme 阅读全文
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Hongxing has also launched its range of Stage IIIB/Tier 4 Interim jaw crushers this year, machines that are designated by the -9A suffix. Like many others, Hongxing has gone the EGR and DPF route to achieve emissions compliance, but it says that by using a range of sensors and other monitor equipmen 阅读全文
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For larger machines in regulated markets, it is continuing to use the familiar Isuzu engines. Another manufacturer to favour Isuzu is Hitachi, which used Intermat to launch five jaw crushers from 25 to 70 tonnes. The ZX250LC-5, ZX290LC-5, ZX350LC-5, ZX470LCH-5 and ZX670LCH-5 all feature Stage IIIB e 阅读全文
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The hybrid system includes a new electric swing motor, power generator, capacitor and 104 kW diesel engine, and works by regenerating swing energy and storing it in capacitors, which allow for fast discharge when the energy is needed again. Needless to say, the system works best in applications wher 阅读全文
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At present, the ore tailings in China annual discharge about 0.4 billion to 0.5 billion tons, taking account one third of industrial waste. Among them, metal ore tailings take 25%, metallurgical slag takes 26%, chemical slag takes 4%, coal fly ash and coal slag take 35%. Metal recycling and processi 阅读全文