Quartz sand drying device

Abstract

The invention discloses a quartz sand drying device. The quartz sand drying device comprises a drying box. Feeding openings are symmetrically formed in the upper portion of the drying box. A hot air inlet is formed in one side of the upper portion of the drying box. Material guide plates are symmetrically arranged in the drying box and comprise inclined plates and vertical plates. Coarse sieve plates are arranged below the material guide plates, and fine sieve plates are arranged below the coarse sieve plates. A preheating cavity is formed by the two inclined plates and the inner wall of the drying box. According to the quartz sand drying device, the hot air inlet is connected with a hot air blower; hot air sequentially enters the preheating cavity and a scattering cavity, and then entersa first drying cavity and a second drying cavity in sequence through coarse screen holes and fine sieve holes; the temperature of the drying box is increased, cleaned quartz sand is fed into the drying box through the feeding openings, is stirred through a stirring rod in the preheating cavity and is preheated and dried, and a large amount of water vapor is discharged from a moisture outlet.

Description

technical field [0001] The invention relates to the technical field of quartz sand production, in particular to a quartz sand drying device. Background technique [0002] Quartz is a mineral that becomes liquid easily when exposed to heat or pressure. It is also a very common rock-forming mineral, which is found in all three types of rocks. Because it crystallizes the latest in igneous rocks, it usually lacks complete crystal faces and is mostly filled among other rock-forming minerals that crystallized first. Quartz sand is quartz particles that are crushed and processed from quartz stone. The final step in the preparation of quartz sand is drying. [0003] The particle size of quartz sand is small, and it is easy to bond together after cleaning, and it is easy to form agglomerates. The existing quartz sand is dried by direct heating. This drying method is not easy to break up the agglomerated quartz sand, resulting in uneven drying and Dry efficiency is low. For exampl...

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Problems solved by technology

[0003] The particle size of quartz sand is small, and it is easy to bond together after cleaning, and it is easy to form agglomerates. The existing quartz sand is dried by direct heating. This drying method is not easy to break up the agglomerated quartz sand, resulting in uneven drying and low drying efficiency

For example, the Chinese utility model patent whose notification number is CN206911713U discloses "a sorting sand screening machine for civil engineering". The stirring rod is set in a single form, and the quartz sand is seriously agglomerated, resulting in uneven drying and low drying efficiency

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