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Drying sand

Drying sand is the sand after drying the wet scrubbing sand in the gas generator. Most of the sand used for casting and secondary processing (coated sand) is drying sand. After drying the sand, about 4% of the moisture in the scrubbing sand can be dried to less than 0.2. Drying sand is one of the most ideal base materials for roasting sand and coated sand.

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Drying sand is the sand after drying the wet scrubbing sand in the gas generator. Most of the sand used for casting and secondary processing (coated sand) is drying sand. After drying the sand, about 4% of the moisture in the scrubbing sand can be dried to less than 0.2. Drying sand is one of the most ideal base materials for roasting sand and coated sand.

At present, the annual output of drying sand of Lianxin Casting Sand Group is increasing year by year. Up to now, the annual production capacity of drying sand can reach 650000 tons.

The drying sand production process of Lianxin Casting Sand Group consists of three parts: drying system, screening system and grading system. The main production steps are gas generation, scrubbing sand feeding, drying, grading, sand mixing and finished product filling. Can be customized to meet customer quality standards, and strict implementation of production control fine management, product quality and stability. Well received by customers.

 

Name Chemical composition (%) performance index
Group code SiO2 AI2O3 Fe2O3 It's high MgO K2The Na2O Burning reduction (%) Acid consumption value ml Sintering point ℃
40/70 88-93 ≤ 6.0 ≤ 0.6 ≤ 0.8 ≤ 4.0 ≤ 0.35 ≤ 4.5 ≥ 1350
50/100
50/140
70/140
100/200

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