New developments in screw and scroll compressors

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Abstract

Along with the design of refrigeration compressors, employees of the Department of Rotary and Reciprocating Compressors of VNIIholodmash-Holding OJSC, together with OJSC Penzkompressormash, are actively working to modernize air compressor stations with screw compressors. Over the past three years, a number of air screw compressors have been created with a capacity of 4 to 40 m3 / min and an overpressure of discharge of 0.7 ... 0.9 MPa. These compressors use a new profile of the rotor teeth, designed by OAO VNIIholodmash-Holding, taking into account modern trends.

About the authors

D. G. Krinitsky

Department of Rotary and Piston Compressors

Author for correspondence.
Email: info@eco-vector.com

Cand. tech. Sciences

Russian Federation

N. G. Burdanov

Department of Rotary and Piston Compressors

Email: info@eco-vector.com

Cand. tech. Sciences

Russian Federation

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Supplementary files

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1. JATS XML
2. Rice. Fig. 1. Dependence of the consumed effective power N (a), the supply coefficient L and the effective adiabatic efficiency (8) of the screw compressor of the compressor station 188-40/9 on the discharge pressure p (absolute)

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3. Rice. 2. Scroll compressor SK 16: 1 - discharge pipe; 2 - check valve; 3 - refrigerant injection manifold; 4 - spacer; 5 - body; 6 - suction pipe; 7—terminal block; 8 - motor stator; 9 - rotor; 10 - Oldheim's coupling; 11 - movable spiral; 12 - fixed spiral

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Copyright (c) 2022 Krinitsky D.G., Burdanov N.G.

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