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Such problems as abnormal wear of such components as lining plate, uneven product particle size as well as short service life and high manufacturing cost of such components as lining plate, spider cap and head nut caused by uneven burden distribution of distributing device are found during the process of using Sandvik CH-870 crusher in Baoshan Mining Co. so that the frequency of maintenance and operating cost for crusher are high in the early stage of operation. In this paper, the working principle of Sandvik CH-870 crusher is introduced as well as its components such as distributing device, spider cap and head nut are improved combining with the actual situations on site. The operation of equipment is stable, processing capacity of crusher is obviously improved and operating maintenance cost is reduced with the improvement, which provides the references for other enterprises to introduce CH-870 crusher.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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