Full
Outline
In order to solve the problems of easy clogging by debris and uneven application of leaching agents in the micro-sprinkler tape liquid distribution system, and to enhance the uniformity and efficiency of the heap leaching process, a feasibility study on the application of a mobile sprinkling method in a certain uranium mine heap leaching was conducted. The effects of parameters such as the sprinkling volume, the moving speed of the sprinkler machine, and the instantaneous sprinkling intensity of the sprinkler machine on the permeability of the ore heap were investigated. The results show that when using a 3.6 mm aperture nozzle for sprinkling and the sprinkler machine running at a speed of 8 to 10 m/min, a uniform liquid distribution effect can be achieved with a single row of sprinkling pipelines within the flow of 6.7 to 13.8 m3/h. Compared with micro-sprinkler tape sprinkling, the use of mobile sprinkling results in a relatively uniform leaching of the ore heap, enabling uniform leaching of the ore heap, with average leaching rate of uranium (based on residue) reaching 92.55%. This study provides technical support for the industrial application of mobile sprinkling technology in uranium mine heap leaching.
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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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