TECHNOLOGIES FOR EFFICIENT GRINDING OF PLANT AND ANIMAL WASTE: A REVIEW
Iskakov R. Gulyarenko A. Bembenek M. Kassym R.
28 March 2025Scientific Route
EUREKA, Physics and Engineering
2025#2025Issue 254 - 77 pp.
The article considers the issue of technologies for grinding waste of plant and animal origin. A review of modern research works for the period 2020–2024 is conducted. The analysis of scientific works has revealed 10 most promising technologies that can grind waste of plant and animal origin. A comparative analysis of the research results and available information on each of the technologies for grinding waste of plant and animal origin is carried out, establishing the methods of destruction, the name of the crushing and grinding equipment and working bodies, advantages and disadvantages. It was revealed that water-jet technology has great potential, in which the cutting speed reaches 1000 m/s due to the high-energy water flow, capable of providing preliminary destruction of wood and meat and bone waste of various thicknesses. Many scientific articles focus on the issue of grinding secondary raw materials for the purpose of preparing feed, since waste of plant and animal origin has biologically valuable properties for the production of high-quality feed. Separately, it should be noted that all waste grinding technologies are based on the use of technical devices. In this case, such working bodies as hammers are significantly used in crushing. The review indicates 11 hammer designs with 2 to 8 working surfaces on one hammer, 2 to 6 hinge holes on one hammer, and 18 to 240 sharp ends on one hammer. It has been established that the trend in improving hammers is to eliminate passive zones on working surfaces, ensure a longer service life of hammers and hammer hinge holes by using new hammer surfaces, and provide the working surfaces of hammers with sharp ends to combine impact-cutting effects for the purpose of intensive crack formation in the crushed particles.
abrasion , cracking , crus hing , cutting , feed , hammers , points , rebound , splitting , waste
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Department of Technological Machines Equipment, S. Seifullin Kazakh Agrotechnical Research University, 62 Zhenis str., Astana, 010000, Kazakhstan
Department of Standardization Metrology Certification, S. Seifullin Kazakh Agrotechnical Research University, 62 Zhenis str., Astana, 010000, Kazakhstan
Department of Manufacturing Systems, AGH University of Krakow, 30 A. Mickiewicza str, Krakow, 30-059, Poland
Department of Science Innovation, Mukhametzhan Tynyshpaev ALT University, 97 Chevchenko str, Almaty, 050013, Kazakhstan
Department of Technological Machines Equipment
Department of Standardization Metrology Certification
Department of Manufacturing Systems
Department of Science Innovation
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