Authors

Improving design of internal regulator of volumetric capacity for a screw single-rotor compressor

DOI: 10.17586/1606-4313-2024-23-2-3-12
UDC 621.514.5

Improving design of internal regulator of volumetric capacity for a screw single-rotor compressor

Tsvetkov V.A., Pronin V.A., Ivanov Lev V., Belov Pavel A.

For citation: Tsvetkov V.A., Pronin V.A., Ivanov L.V., Belov P.A. Improving design of internal regulator of volumetric capacity for a screw single-rotor compressor. Journal of International Academy of Refrigeration. 2024. No 2. p. 3-12. DOI: 10.17586/1606-4313-2024-23-2-3-12

Abstract
The process of capacity control for screw compressors requires the use of efficient and reliable control systems. Experience has shown built-in capacity regulators to be the optimal technical solution in this direction. However, in a number of cases, the design of such regulators requires structural changes in the compressor with the formation of additional cavities in the casing, the presence of moving elements, complex drive systems, etc. This adversely affects the simplicity and reliability of the regulator, as well as may be the cause of increased leakage of the working substance. Thus, the development of a simple and effective design for a built-in capacity regulator is relevant.

Keywords: screw compressor, compressor capacity, capacity regulation, rotary ring, single-rotor screw compressor, ANSYS.

All references

1. Filippov I.V. Performance regulation of screw compressors. Mechanical engineering and computer technologies. 2013. No 9. P. 163-180. (in Russian)

2. Baranenko A.V., Bukharin N.N., Pekarev V.I., Timofeevsky L.S. Refrigerating machines: textbook. for university students studying in the specialty «Low temperature engineering and physics»; under the general editorship of L.S. Timofeevsky. 2nd Ed., reprint. St. Petersburg, Politechnika, 2006. 941 p. (in Russian)

3. Anufriev A.V., Pekarev V.I. Influence of the method of regulating cooling capacity and external conditions on the efficiency of a screw compressor. Journal of International Academy of Refrigeration. 2008. No 2. P. 17-21. (in Russian)

4. Pronin V.A., Tsvetkov V.A., Kovanov A.V., Zhignovskaia D.V. Methods for regulating the performance of screw compressors and features applications for single rotor machines. AIP Conference Proceedings.2021.Vol. 2442.pp. 030040.

5. Screw single – rotor compressor: Patent of the Russian Federation 212922: MPK7 F 04 C 18/52 / Kuznetsov L.G., Kuznetsov Y.L., Pronin V.A., Burakov A.V., Bozhedomov A.V., Tsvetkov V.A.; applicant and patent holder: JSC «Compressor», – application 2022116811; Publ. 21.06.2022, Byul. No. 23. (in Russian)

6. Pronin V.A., Tsvetkov V.A., Kovanov A.V., Kalashnikova E.A. Modelling of capacity regulation of single-rotor screw compressor using a rotary regulator ring. AIP Conference Proceedings.2023.Vol. 2784.pp. 030027.

7. Prilutskiy A.I. Development of theory, calculation methods and optimal design of reciprocating compressor and expansion machines: dis. doctor of technical sciences, St. Petersburg, 2015. 379 p. (in Russian)

8. Kuznetsov L.G. Development and creation of piston compressor and expansion machines with dry sump: dis. doctor of technical sciences, St. Petersburg, 2001. 379 p. (in Russian)

9. Zakharenko V.P. Bases of the theory of the seals and the establishment of reciprocating compressors without lubrication: dis. doctor of technical sciences, St. Petersburg., 2001. 341 p. (in Russian)

10. Liu F. Liao X., Feng Q., Van Den Broek, M., De Paepe M. Deformation analysis of the main components in a single screw compressor. IOP Conference Series: Materials Science and Engineering, 2015, Vol. 90. No. 1., pp. 012011

11. Suman A., Ziviani D., Gabrielloni J., Pinelli M., De Paepe M., Van Den Broek M. Different numerical approaches for the analysis of a single screw expander. Energy Procedia, 2016, Vol. 101, pp. 750-757.

12. Zhang Z., Wu W. Numerical investigation of thermal deformation of meshing pairs in single screw compressor. Applied Thermal Engineering, 2021, Vol. 188, pp. 116614.

13. Sham R., Ahmed K., Nikola S., Madhulika K. Grid deformation strategies for CFD analysis of screw compressors. International Journal of Refrigeration, 2013, Vol.36, No. 7, pp. 1883-1893.

14. Valand D., Bhabhor K. K., Jani D.B., Gandhi M.T., Prajapati M.B. Investigation of the Tooth Profile for Screw Compressor Considering Leakages by Simulating in CFD.International Journal of Advanced Research in Science, Communication and Technology (IJARSCT), 2023, Vol. 3, No. 11, pp. 115-124.

15. Screw single — rotor o compressor: Patent of the Russian Federation 221032: MPK7 F 04 C 18/52 / Kuznetsov L.G., Kuznetsov Y.L., Pronin V.A., Burakov A.V., Tsvetkov V.A., Kovanov A.V.; applicant and patent holder: JSC «Compressor», – application 2023120622; Publ. 16.10.2023, Byul. No. 29. (in Russian)

Read the full article