Sand baking device for quartz sand

Abstract

The invention discloses a sand baking device for quartz sand. The sand baking device comprises a sand baking box body which is arranged on a support and inclines downwards, wherein the bottom of the output end of the sand baking box body is in hinged connection with the support, and the bottom of the input end of the sand baking box body is fixedly connected on the support by an inclination elevator; at least two quartz tubes are arranged in the sand baking box body in parallel; two ends of the quartz tubes respectively go through the sand baking box body; heating coils are wound on the quartz tubes in the sand baking box body; insulation material layers are arranged between the quartz tubes and the sand baking box body; the quartz tubes outside two ends of the sand baking box body are respectively provided with quartz tube rotating mechanisms; the input side of the sand baking box body is provided with a loading device which comprises a hopper; the lower part of the hopper is provided with feeders which are respectively connected with the quartz tubes. By heating from inside instead of outside, the sand baking device for quartz sand disclosed by the invention has the advantages of making the best of the heat energy, improving the profits, saving energy, improving the environment, improving the product quality and realizing the comprehensive benefits on economy, society and environment.

Description

technical field [0001] The invention relates to a processing device for quartz sand, in particular to a sand baking device for quartz sand. Background technique [0002] High-purity quartz sand is the main raw material for the production of quartz glass tubes. In the process of processing, although the high-purity quartz sand is dried by a dryer, the water content is still high and needs to be baked. At present, the domestic sand baking device is a baking oven, which is welded by stainless steel plates into a funnel shape. There are many external quartz glass tubes installed in the oven, and nickel-chromium resistance wires are installed in the tubes, and the resistance wires in the sand baking tubes are connected to the power supply. Finally, heat the baking sand tube, and then bake the quartz sand through the heat emitted by the baking sand tube. The disadvantage of this technology is high energy consumption, the installed capacity of each oven is 8KW / h, the efficiency i...

AI Technical Summary

Problems solved by technology

The disadvantage of this technology is high energy consumption, the installed capacity of each oven is 8KW / h, the efficiency is low, it can only bake less than 100kg per hour, the loss is large, the recovery rate of finished products is about 90%, the pollution is serious, and the waste generated during the baking process Dust rises, causing pollution to the environment and affecting the health of operators

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