Technical and technological aspects of the use of Reuleaux triangular profile rolls in crushing units in the ore processing plant

The article considers the key issues of intensification of ore preparation operations and evaluates the prospects for modernization of particle grinding equipment that is used to comminute brittle ores without over-grinding and crush medium-hard nonmetallic rocks, including clayey and wet ores. It is proposed to introduce roller crushers and high-pressure grinding rolls (HPGRs) with Reuleaux triangular rollers into mineral processing schemes. Studies have shown that this type of roller is promising for use in ore preparation. To improve comminution efficiency, the ore feed is moved in a vertical reciprocating motion, with ore lumps moving in two directions to increase crushing efficiency, resulting in an increase in the specific capacity of the crushing unit. With this configuration, the specific compressive force is increased by 10%, and the power consumption is reduced by 10%.

Efimov D. A., Gospodarikov A. P. Technical and technological aspects of the use of Reuleaux triangular profile rolls in crushing units in the ore processing plant. MIAB. Mining Inf. Anal. Bull. 2022;(10-2):117—126. [In Russ]. DOI: 10.25018/0236_1493_2022_102_0_117.

Efimov Denis Alexandrovich¹, Postgraduate student at the Department of Mechanical Engineering, e-mail: s161020@stud.spmi.ru;
Gospodarikov Alexander Petrovich¹, Dr. Sci. (Eng.), Professor, Head of Higher Mathematics Department, e-mail: kafmatem@spmi.ru;
¹ Saint-Petersburg Mining University.

Efimov D. A., e-mail: s161020@stud.spmi.ru.

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