The influence of changes in the technological parameters of the feed mixer on its performance

To conduct effective animal husbandry and poultry farming, it is necessary to use compound feeds. To prepare them mainly vertical and horizontal mixers are used. With a small consumption of compound feed by the farm, its independent preparation will be the most profitable due to the reduction of time and costs for transportation and storage of finished mixtures. The use of the raw material base of an agricultural enterprise makes it possible to prepare compound feeds that most fully take into account the need of animals for nutrients. It is preferable to use horizontal mixers since they allow to obtain combined feeds with a higher uniformity of component distribution. Experimental studies were conducted in 2021-2022. As the result, there have been obtained mathematical models of the working process of a horizontal mixer, according to which two-dimensional response surfaces were constructed and optimal operating parameters were determined taking into account various design and technological factors. The best mixing quality of 94 % is achieved when the mixing chamber is loaded by 50 %, the rotation speed of the mixer shaft is 13 min-1, the mixing time is 18 minutes. The throughput value reaches the highest value of 2.3 t/h with the amount of material in the mixing chamber of 75 % and the working time of the mixer of 12 minutes, while the rotation speed of the shaft of the combined screw is 17.2 min-1. This allows to reduce labor and energy costs for the development and manufacture of new mixers with belt working bodies and to obtain high-quality feed with minimal costs.

1. Savinykh P. A., Sychugov Yu. V., Kazakov V. A., Chernyatev N. A. Feed plant for agricultural enterprise. Vestnik Kurskoy gosudarstvennoy sel'skokhozyaystvennoy akademii = Vestnik of Kursk State Agricultural Academy. 2018;(6):131-137. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=36346292

2. Braginets S. V., Bakhchevnikov O. N., Benova E. V. Advantages of modular design the small-scale for-mula-feed plants. Vestnik Kurskoy gosudarstvennoy sel'skokhozyaystvennoy akademii = Vestnik of Kursk State Agri-cultural Academy. 2018;(6):141-145. (In Russ.). DOI: https://doi.org/10.24412/FeYK7B0nROQ

3. Matyushev V. V., Bochkarev A. N., Semenov A. V., Chaplygina I. A. Issledovanie rezhimov raboty tsen-trobezhnogo smesitelya sypu-chikh komponentov. Vestnik Omskogo gosudarstvennogo agrarnogo universiteta = Vestnik of Omsk SAU. 2021;(4(44)):206-214. (In Russ.). DOI: https://doi.org/10.48136/2222-0364_2021_4_206

4. Marczuk A., Sysuev V., Aleshkin A., Turubanov N., Tomporowski A. Theoretical studies of the interaction between screw surface and material in the mixer. Materialsthis link is disabled. 2021;14(4):962. DOI: https://doi.org/10.3390/ma14040962

5. Rybalkin N. A., Lebedev A. T., Pavlyuk R. V. Improvement of the process of mixing fodder in a valve mixer. Innovatsii v APK: problemy i perspektivy = Innovations in Agricultural Complex: problems and perspectives. 2020;(3(27)):78-84. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=44085224

6. Kikin N. O., Lebakh A. V., Semidotskiy A. N. Various installation schemes of mixer blades with horizontal shaft position and their effect on mixing intensity. Energy-saving technological complexes and equipment for the production of building materials: Interacademic collection of articles. Pod red. V. S. Bogdanova. Belgorod, 2018. pp. 201-205. URL: https://www.elibrary.ru/item.asp?id=42997976

7. Savinykh P. A., Aleshkin A. V., Kazakov V. A., Turubanov N. V., Chernyatev N. A., Zyryanov D. A., Sai-tov V. E. Mixer: patent RF, no. 2638978 2017. URK: https://www.elibrary.ru/item.asp?id=38291111

8. Turubanov N. V., Medvedev O. Yu., Isupov A. Yu. Experimental studies of the mixing process in a hori-zontal mixer. Society, Science, innovation (NPK-2016): sat. art. 2nd ed., revised and corrected. Kirov: Vyatskiy gosu-darstvennyy universitet, 2016. pp. 898-903.

9. Meshcheryakova A. A. Assessment of quality of mixing of loose materials. Aktual'nye napravleniya nauch-nykh issledovaniy XXI veka: teoriya i praktika = Current directions of scientific research of the XXI century: theory and practice. 2018;6(5 (41)):325-331. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=36702433

10. Sakhapov R. L., Shakirova G. I. Research of operational characteristics at mixing of materials with different densities in a single-drum mixer. Tekhnika i tekhnologiya transporta = Technique and Technology of Transport. 2017;(2 (3)):1-9. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=29771632

11. Savinyh P., Aleshkin A., Turbanov N., Ivanovs S. Investigation of impact of technological and structural parameters upon energy indicators of work of mixer. 19th International Scientific Conference ENGINEERING FOR RURAL DEVELOPMENT Proceedings – Jelgava. 2020;19:1338-1348. DOI: https://doi.org/10.22616/ERDev.2020.19.TF334

12. Marczuk A., Misztal W., Savinykh P., Turubanov N., Zyryanov D. Improving efficiency of horizontal ribbon mixer by optimizing its constructional and operational parametrs. Eksploatacja I Niezawodnosc – Maintenance and Reliability 2019;21(2):220-225. URL: https://www.elibrary.ru/item.asp?id=38947650

13. Morozov V. V., Savelieva L. N. Substantiation of parameters of the drum mixer of sapropel and mineral fertilizers. Vestnik Rossiyskogo gosudarstvennogo agrarnogo zaochnogo universiteta = Bulletin of Michurinsk State Agrarian University. 2016;(22 (27));15-21. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=29154928

14. Khlystunov V. F., Braginets S. V., Alferov A. S., Chernutskiy M. V. Vliyanie konstruktivnykh i kinematich-eskikh parametrov na energoemkost' protsessa v naklonnom shnekovom smesitele. Vestnik Donskogo gosudarstven-nogo tekhnicheskogo universiteta = Vestnik of Don State Technical University. 2018;18(4):408-413. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=36680542

15. Lozovoi N. M., Radinskaya L. I., Lozovaya S. Yu. Experimental studies of the dependence of the inhomo-geneity coefficient of the mixture on the technological parameters in a mixer with a changing working chamber. Tekhnika i tekhnologiya transport = Technique and Technology of Transport. 2019;(S (13)):33. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=40999989

16. Ignatenkov V. G., Lappo E. L., Bychenkov D. M. The results of experimental tests of multifunctional crushing mixer for production of sapropel-based vitamin feed supplement. Vestnik Altayskogo gosudarstvennogo agrarnogo universiteta = Bulletin of Altai State Agricultural University. 2018;(6(164)):166-171. (In Russ.). URL: https://www.elibrary.ru/item.asp?id=35467503