溜槽淘金是利用金与沙子比重的差别，矿浆流经溜槽，比重大的金沉淀于底层，沙子等比重小的浮于上层随水流排出工作区。原先的固定式溜槽是用淘金毡提金，由于溜槽板结、淤槽等现象，淘金毡提金的净选率只有30%左右，这些缺点，鼓动式溜槽有针对性的进行了克服--它的底板用橡胶板制成，利用机械鼓动底板，使底板缓慢鼓动，克服泥沙板结，周期性鼓动，完成分层和排沙，从而使得净选率提高到90%左右。
Chute gold is the difference between gold and sand proportion, slurry flows through the chute, than the major gold deposition in the bottom, sand isobaric small floating in the upper with the water discharge area. Original fixed chute is by gold felt gold. Due to the chute hardening, sedimentation tank and other phenomena, gold felt gold net rate of only about 30%, these shortcomings, agitation type chute for the overcome its bottom plate made of rubber sheet, using mechanical agitation plate, the bottom plate slow agitation, overcome sediment compaction, periodic agitation, complete the stratification and sediment, which makes net rate increased to 90%.
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