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Based on the knowledge of manufactured-sand

VU system strives to develop the standard of sand production, in terms of these three
core technic index: graduation, shaped-size and sediment percentage.It can decrease
the voidage of sand production, increasing its flowability and controlling the MB index,
so as to achieve the best concrete mixture ratio and performance optimization.

The comparison between dry-processing and wet-processing conception

Drying-processing conception is far more advanced than traditional wet-processing methods in terms of sand performance,
environmental concern, investment value and so on. Throughout a series of creative improvements, Kefid VU system provides
one-time solution for all the technical difficulties and achieve the advanced dry-processing methods on sand production.

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  Dry-processing Wet-processing Notes
Performance of sand production High Low High crushing ratio, meticulous screening with better adjusting ability improves the standard
of sand production level.
Enviromental concern High Low Dry-processing method can apparently be zero released on dust and sludge.
Operation cost Low High Dry processing conception has higher screening performance and automation degree, less
abbrasion and no polluted waste released.
Technicial difficulty High Low Drying-processing method owns a completed system and it needs technicially and equipmentally upgrading.
One-off investment A litele higher Low Higher requirement for equipments and investment.
Requirement for raw material High Low Low moisture and low sendiment percentage is required for dry-processing conception.

VU system —— DRY-PROCESSING SANDING MAKING SYSTEMATIC PLANT

Reward of high investment

Highest standard of sand production(core feature)

Excellent graduation, shaped-size and sediment percentage, stable and adjustable performance.

Environmentally friendly

Washing sand device is not necessary. No polluted waste and dust. Land saving concern.

Raw materials in low cost

It can be produced by "stone pieces" and seeds-shaped waste, and other low-cost materials

Low operating cost

Considerate and optimized production line concerning on the sand production ratio, labour force, electrical waste, spare parts, stability, etc.

VU system processes the raw material, like tailings, rubbish and construction waste, with the dry method, which is controllable and environment friendly. The final products is comparable to the natural sand, which can meet the following requirements.

1. Sand making for concrete batching plant and dry-mixed mortar

a. Operation is similar with the previous batching plant
b. Own-produce and own-use assure the good-quality sand providing, optimizing the concrete mixing proportion.
c. Increase the interests

2. Sand making for the mining chips

a.Processing the chips (large amount and lower sales ) from the mining processing.
b.Enrich the final products, meet the downstream customers` needs for all kinds of aggregate.

VU系统的应用领域

Model Parameter
Input size(mm) Through capacity(t/h) Final capacity(t/h) Powder content
(Adjustable)
Power(KW)
VU70K 0-20 65-70 60-65 3-12% 450
VU120K 0-20 110-120 100-110 3-12% 830

Note: The above output will be changed according to the system parameters and material properties.

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Please enter your demand such as: Material: granite, limestone or gypsum, etc. Production: 5TPH, 10TPH or 100TPH, etc.
Input size: 30cm, 50cm, 100cm, etc. Output size: 200 mesh, 400 mesh, or 3mm, 10mm, etc

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