Dry-method sand making process using roller press

Abstract

The invention discloses a dry-method sand making process using a roller press and relates to the field of sand making processes. The dry-method sand making process comprises a first crushing procedure, a second crushing procedure, a screening procedure, a circulating procedure, a sand making procedure, a shaping procedure, a powder removing procedure, a winnowing procedure and a recycling procedure. The dry-method sand making process has the beneficial effects that the dry-method sand making process has the advantages of traditional dry-method sand making production, the sand making amount is greatly increased, and the sand making product quality is greatly improved; and compared with the traditional process, the dry-method sand making process is lower in energy consumption and environmentally friendly.

Description

technical field [0001] The invention relates to the field of sand making technology, in particular to a dry sand making technology using a roller press. Background technique [0002] The traditional machine-made sand process is generally produced according to the dry method. The dry-process sand making generally uses a vertical shaft impact crusher. The maximum sand production capacity of the vertical shaft is 120t / h, while the roller press can reach more than 500t / h, but the grain shape of the roller press machine-made sand is Not good, it will produce a lot of flaky structures, so in order to produce high-quality machine-made sand, when using a roller press, it is necessary to reduce the flaky structures through a reasonable process and improve the quality of the machine-made sand. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art, and provide a dry sand making process using a roller press, which has ...

AI Technical Summary

Problems solved by technology

[0002] The traditional machine-made sand process is generally produced according to the dry method. The dry-process sand making generally uses a vertical shaft impact crusher. The maximum sand production capacity of the vertical shaft is 120t / h, while the roller press can reach more than 500t / h, but the grain shape of the roller press machine-made sand is Not good, it will produce a large amount of flaky structure, so in order to produce high-quality machine-made sand, when using a roller press, it is necessary to reduce the flaky structure through a reasonable process and improve the quality of the machine-made sand

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