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Home Industrial Technologies Grinding of Loose Materials

Grinding of Loose Materials

Description

Gas jet grinding of loose materials with process parameters acoustic monitoring.

Innovative Aspect and Main Advantages

Technological process efficiency increases as the process control monitoring is realized. Disclosing valuable minerals without their superfluous re-grinding is reached, concentrate quality is improved, fine and hyperfine pure grinding is done.

Areas of Application

Fine and superfine grinding of materials with different physical properties (ore and fire-resistant raw material, kaolin, quartz sand, rare-metal concentrates, abrasive and diamond powders, technical alumina, mullitecorundum chamot, cement, slag, forming plaster).

The mill with an acoustic detector
Fig. 1 The mill with an acoustic detector

Experimental gas jet plant
Fig. 2 Experimental gas jet plant

The facility element of acoustic signal reception system
Fig. 3 The facility element of acoustic
signal reception system

Kinetics of signal amplitude at different grinding regime
Fig. 4 Kinetics of signal amplitude at different grinding regime

Stage of Development

A gas jet mill with productivity of 20kg/h is made on the experimental base. Researches on realiza-tion of grinding monitoring on the acoustic emis-sion method basis are carried out. The technique of process control system is being developed.

Contact Details

Institute of Technical Mechanics of NASU and NSAU
Contact persons: Prof. Nikolay D. Kovalenko, Head of Department Natalya S. Pryadko, PhD
Address: 15, Leshko-Popelya str., 49005, Dnepropetrovsk, Ukraine
Tel.: (+38 056) 372 06 31
Fax: (+38 0562) 473 413
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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