Full
Outline
Aiming at the pain points of heavy assets, high energy consumption and low reliability of equipment in traditional aggregate plants, the Distributed Control System (DCS) has been adopted. Through the implementation of hardware redundancy configuration, Modbus communication protocol integration and advanced control algorithm, the DCS designed and optimized the whole process of crushing, screening, sand making and water circulation control in Zhuzailing Aggregate Factory. The application effect of DCS in material balance, equipment monitoring and energy consumption management were analyzed. The results show that since the system has put into operation, the no-load energy consumption of the equipment is reduced by 15%, and the comprehensive energy consumption is reduced by 18%. The average fault interval time is increased from 1 200 h to 2 100 h, the average repair time is shortened by 47%, the comprehensive efficiency of the equipment is increased from 74% to 89%, and the turnover rate of spare parts is increased by 62%. The whole life cycle of the equipment is extended by 3-5 a, and the annual production capacity is increased by 150 000 tons. At the same time, the technical problems such as signal interference, lightning strike and power fluctuation in high dust environment have been solved. DCS can systematically improve the energy efficiency, reliability and intelligence level of aggregate plants, and provide engineering reference for the green and intelligent transformation of similar enterprises.
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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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