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In the paper, the technical reform scheme of mandatory lubrication oil return with compressed air purging is proposed by taking original gas-liquid balanced accumulator of the system as the access point aiming at such problems as large residual quantity and more loss of lubrication oil as well as serious resource waste and lubrication oil contamination in the environment at the scene for centralized thin oil lubrication system of roll bearing for five-stand six-high tandem cold mill of Cold Rolled Rare Earth Steel Plate Plant of Baotou Steel in the process of changing roll. The recycle rate of residual lubrication oil for bearing housing could approximate 100%, purchase costs of oil products and waste oil disposal costs could be significantly reduced, working environment of roll assembly area could be improved as well as equipment maintenance efficiency and cyclic utilization rate of resources could be increased with this technical scheme, which could provide mature, feasible technical references and engineering practice examples for lubrication oil consumption control of centralized lubrication system of large bearing of the same kind as well as energy saving and cost reducing in cold rolling field of metallurgical industry.
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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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