With the rapid development of building industry, the sand has a big demand for building engineering. The river sand, as a local resource, can not reborn again at a short time with a phenomenon of decreasing of natural sand in the world even no natural sand existing in some area.

Gravel production line in the production process often appear some waste problems, and sometimes even directly performance for the decline in output, etc. And the best way to improve efficiency is scientific and reasonable production plan and production line configuration scheme. Specific how to operate? First of all should pay attention to the market demand…