Full
Outline
The reasonable selection of mining and transportation equipment for potassium salt mines is related to the realization of production capacity and the control of mining costs. In order to comprehensively and scientifically optimize mining and transportation equipment scheme for potassium salt mines, the interval analytic hierarchy process was used to construct the optimization index system, and the weights of the optimization indicators were analyzed and calculated. A multi-objective optimization model for mining and transportation equipment schemes in potassium salt mine was constructed using fuzzy matter-element analysis method. The comprehensive relative subordination degree of each alternative scheme of mining and transportation equipment in potassium salt mine was analyzed and calculated. The results show that factors such as purchase investment, mining and transportation capacity, and mining cost have a significant impact on the optimization of mining and transportation equipment schemes for potassium salt mines, while factors such as pollutant emissions, handling performance, and reliability have a relatively small impact on the optimization of mining equipment schemes for potassium salt mines. The scheme of continuous mining machine+diesel shuttle truck (Scheme 2) has the highest comprehensive relative subordination degree among the four schemes, and is determined to be the optimal scheme. The mining and transportation costs, safety, and environmental friendliness of Scheme 2 are superior to the previous usage scheme of the mine, and the mining and transportation costs and pollutant emissions have been reduced by 1.4 yuan/t and 6 percentage points respectively, with a 10 percentage points improvement in safety performance. The research results have demonstrated that the interval analytic hierarchy process and fuzzy matter-element analysis method can provide a more scientific and reasonable selection of mining and transportation equipment schemes for potassium salt mines, thereby providing reference and guidance for potassium salt enterprises to improve their economic and comprehensive benefits.
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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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