Equipment for extracting fine sand from machine-made sand

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fine sand recycling machine

The fine sand recycling machine is a device developed by Longzhong Heavy Industry for the dehydration, de-intermediation and de-sliming of slurry materials. The sand is recycled and dewatered. This equipment can effectively solve the problem of fine sand loss in the sand making industry.

Judging from large and medium-sized stone factories, sand washing fields, and artificial sand production lines at home and abroad, more than 90% of them use wet production lines, generally using silos→feeders→crushers (primary or secondary, tertiary crushing equipment) → Washing equipment (screw sand washing machine or impeller sand washing machine) → Screening equipment → Finished materials. As the name suggests, the wet process production line uses water-washed aggregates, so it is inevitable to lose part of the finished sand from the sand washing machine, especially the loss of fine sand below 0.16-0.2mm. The loss rate is as high as 20% or more.

fine sand recovery machine

The consequences of this There are the following aspects:

1. The loss of fine sand below 0.2mm affects the gradation of sand, resulting in unreasonable gradation and unreasonable fineness modulus, which greatly reduces the output of machine-made sand;

2. Excessive fine sand and sludge enter the sedimentation tank, causing sedimentation in the sedimentation tank, which not only pollutes the environment, but also frequently cleans the sedimentation tank at a high cost;

3. A large amount of fine sand is lost, which greatly reduces the customer’s income.

The fine sand recovery machine is widely used in the aggregate processing system of hydropower stations, glass raw material processing system, artificial sand production line, recovery of coarse coal slime in coal preparation plants and environmental protection projects (mud purification), etc., which can effectively solve the problem of fine sand recovery.

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