Heap-leaching dressing process for clay type gold mine
A clay-type, gold ore technology, applied in the field of heap leaching beneficiation technology, can solve the problems of affecting the overall permeability of the ore heap, easy to disperse and pulverize the agglomerates, and increase production costs, etc., and achieves a wide source of sawdust, less equipment, lower The effect of production costs
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Embodiment 1
[0017] Clay-type gold ore heap leaching mineral processing technology, it is realized by the following steps:
[0018] 1) Raw ore crushing: Clay-type (later-type) gold ore is crushed to a particle size of 4.9 cm.
[0019] 2) Agglomeration: ①Put the sawdust and the crushed clay-type gold ore into the granulator and mix them well. ); ②The amount of water added is 15% of the weight of the dry material, intuitively, the aggregate is not seriously sticking to the belt.
[0020] 3) Heaping: During the heaping process, before the pellets dry, they should be piled up in sections and in time, and immediately covered with a layer of straw to keep the pellets moist. The length of the straw is 18cm.
[0021] 4) Spraying: the spraying intensity is 20 liters / square meter hour, and the spraying interval is 1.5 hours.
Embodiment 2
[0023] Clay-type gold ore heap leaching mineral processing technology, it is realized by the following steps:
[0024] 1) Raw ore crushing: Clay type (later type or black soil type) gold ore is crushed with a particle size of 3cm.
[0025] 2) Agglomeration: ① Put the loose seepage material sawdust and the crushed clay-type gold ore into the granulator and mix them evenly. The amount added is 3kg per ton of ore; ② The amount of water added is 20% of the weight of the dry material. %, intuitively limited to the fact that the pellets are not seriously sticking to the belt.
[0026] 3) Heaping: During the heaping process, before the pellets dry, they should be piled up in sections in time, and immediately covered with a layer of straw to keep the pellets moist. The length of the straw is 20cm.
[0027] 4), spraying: the spraying intensity is 30 liters / square meter hour, and the spraying interval time is 2.0 hours. The results are shown in Table 1.
Embodiment 3
[0029] Clay-type gold ore heap leaching mineral processing technology, it is realized by the following steps:
[0030] 1) Raw ore crushing: Clay type (black soil type) gold ore is crushed to a particle size of 2 cm.
[0031] 2) Agglomeration: ①Put the loose seepage material sawdust and the crushed clay-type gold ore into the granulator and mix them well. ); ②The amount of water added is 25% of the weight of the dry material, intuitively, the grain is not seriously sticking to the belt.
[0032] 3) Heaping: During the heaping process, before the pellets dry, they should be piled up in sections in time, and immediately covered with a layer of straw to keep the pellets moist. The length of the straw is 22cm.
[0033] 4), spraying: the spraying intensity is 40 liters / square meter hour, and the spraying interval time is 2.5 hours.
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