Production of mechanism sand washing process

Washed mechanism sand is now a common process for the production of mechanism sand, is it generated by the mechanism sand must be washed to use? Under what circumstances can not wash? Mechanism sand washing process and how? Here for you to answer:

1. The production of mechanism sand must be washed? Under what circumstances can not wash?

Production mechanism of sand must be washed? Is not necessarily, specifically need to look at the user processing mechanism of sand raw materials and the use of pathway, if the mechanism of sand standard requirements are higher, you need to wash, because the mechanism of sand processed through the equipment contains a large number of impurities, the purity is not high, does not meet the standards of construction sand, so this part of the requirements of the sand and gravel need to be cleaned, such as concrete, housing and other buildings. Of course, if you do not want to clean can also be, the use of dry sand production line can also achieve the desired results.

2. Mechanism sand washing process

In the mechanism of sand production process, the production equipment and processing of different materials are different, but the general production process is the same, generally divided into five stages of pretreatment - crushing - sand making - screening - sand washing.

a. Pre-treatment. Pre-treatment here refers to the sorting of raw materials in advance.

b.Crushing. Crushing stage mainly includes coarse crushing as well as medium and fine crushing production, the equipment used is mostly in the form of jaw crusher + cone crusher / impact crusher (the selection of specific equipment is mainly based on the nature of the material). And with the feeder, vibrating screen and other equipment to assist the smooth progress of production. After the crushing stage, the finely crushed stone can meet the feeding requirements of the sand making machine, which provides a strong guarantee for the next stage of sand making.

c.Sand making. After crushing, the material is transported to the sand making machine by the belt conveyor for shaping sand making operation, and the sand size is more uniform after being processed by the sand making machine.

d. Screening. After completing the sand making process, the material is sent into the vibrating screen for screening by the conveyor belt, according to the user's demand, the finished sand can be screened and graded into coarse sand, medium sand and fine sand after being processed by the vibrating screen.

e.Sand washing. In order to reduce the stone powder content of the mechanism sand and improve the quality of the finished sand, the finished sand can be cleaned by the sand washing machine after the screening is completed (the water shortage area mostly adopts the powder selector to deal with the stone powder in the mechanism sand), and the cleaned mechanism sand is sent to the finished product pile.

The above five links are interlocked, and with environmental protection equipment and intelligent control system together constitute a modern mechanism of sand washing production line.

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