Reconstruction of dairy farm with development of adjustable electric ventilation drive.

Table of Contents Introduction 1 Production and economic characteristics of the economy........ 7 2. Farm process......................................................................................................................................... 14 2.1. Calculation of manure conveyor.............................................................................. 14 2.2. Selection of ballast and protective devices..................................................................................................................... 27 2.3. Lighting calculation......................................................................................................................................................................... 28 2.4. Calculation of electrical loads, power supply power selection and calculation of 0.4 kV mains................................................................................................................................................................................................. 33 3. Structural part of the project............................................................................................................................. 39 3.1. Structural part justification..................................................................................................................................... 40 3.1.1.Sotechnical and sanitary requirements for ventilation systems..................................................................................................................................................................................................................................................................................... 41 3.1.2.Existent ventilation systems..................................................................................................................................................................................................................................... 44 3.2. Ventilation calculation......................................................................................................................................................................... 48 3.2.1.Recalculation of electric engine and selection of tubular electric heater............................................................................................................................................................................................................................................................................. 53 Z.Z. Calculation of working element parameters......................................................................................................................................................................................................................... 56 4. Occupational safety......................................................................................................................................................................... 70 4.1. State of labor protection at dairy farm in AOOT Pronsk Agrochem..................................................................................................................................................................................................................................................... 70 4.2. Measures to improve labor protection............................................................................................. 73 4.3. Procedure for measurement of grounding loop resistance value........ 74 5.Savement of nature......................................................................................................................................................................................................................................... 81 5.1. Introduction. General environmental problems..................................................................................................... 81 5.2. Substances and Factors Polluting the Environment......................................................................................................... 82 5.3. Measures to prevent pollution of the environment........... 83 //