Roots vacuum pumps (190,00 руб.)

Стр.2

Стр.3

621.521(075) Published by the decision of the Editorial Review Board of the Kazan National Research Technological University Reviewers: PhD in Physics and Mathematics P. Osipov PhD in Technical Sciences K. Moiseev Burmistrov A. Roots vacuum pumps : tutorial / A. Burmistrov, A. Raykov, S. Salikeev, A. Isaev; The Ministry of Education and Science of the Russian Federation, Kazan National Research Technological University. – Kazan : KNRTU Press, 2023. – 84 p. ISBN 978-5-7882-3339-0 The tutorial highlights the operating principle, structural modifications, general and individual solutions applied for Roots vacuum pumps, as well as advantages and disadvantages of the latter. Pumping characteristics of the pumps and units by major producers of Roots machines are provided. It is intended for use by bachelor`s degree students of the course 15.04.02 “Technological machines and equipment”, specialization “Vacuum and compressor equipment of physical machines”, and master`s degree students of the curricula “Designing and operation of vacuum processing equipment” and “Vacuum engineering and technology”. The book will be useful for professors, Ph.D. fellows and students engaged in the training programs “Technological machines and equipment”, “Applied physics”, “Nuclear engineering and thermal physics”, “Nanoengineering”. The tutorial is prepared at the Department of “Vacuum and compressor equipment of physical machines”. 621.521(075) ISBN 978-5-7882-3339-0 © A. Burmistrov, А. Raykov, S. Salikeev, A. Isaev, 2023 © Kazan National Research Technological University, 2023 2

Стр.2

CONT ENT Explanation of symbols and terms ....................................................................................................... 4 Introduction .......................................................................................................................................... 5 1. HISTORICAL NOTE ...................................................................................................................... 7 2. ADVANTAGES AND DISADVANTAGES OF ROOTS VACUUM PUMPS ........................... 11 3. OPERATING PRINCIPLE OF ROOTS VACUUM PUMPS. OPERATION WITHIN THE UNIT ......................................................................................................................................... 13 4. ROOTS VACUUM PUMPS OF NVD SERIES BY VAKUUMMASH ...................................... 24 5. BASIC CIRCUITS OF ROOTS VACUUM PUMP WORKING MECHANISMS, AND GENERAL STRUCTURAL SOLUTIONS ...................................................................................... 31 6. INDIVIDUAL STRUCTURAL AND TECHNOLOGICAL SOLUTIONS OF ROOTS VACUUM PUMPS ............................................................................................................................ 38 7. MULTI-STAGE ROOTS VACUUM PUMPS .............................................................................. 71 8. SPECIFIC CHARACTERISTICS OF ROOTS VACUUM PUMPS ............................................ 74 9. TESTING OF ROOTS VACUUM PUMPS .................................................................................. 76 Conclusion ......................................................................................................................................... 81 Literature ............................................................................................................................................ 83 3

Стр.3