Ventilation of the welding shop of the chemical agents
- Added: 24.05.2023
- Size: 3 MB
- Downloads: 3
Description
Welding shop ventilation project
TABLE OF CONTENTS PAGE .
INTRODUCTION 4
1 INITIAL DATA FOR DESIGN 5
1.1 Description of the projected object 5
1.2 Description of the construction area 5
1.3 Description of the technological process 6
1.4 Sources of heat and cooling supply 7
1.5 Selection of internal climate parameters 7
2 CALCULATION OF HEAT LOSS AND HEAT GAIN. HEAT BALANCE 8
2.1 Heat engineering calculation of enclosing structures 8
2.2 Calculation of heat loss through external fences 8
2.3 Calculation of heat loss for heating infiltration air 10
2.4 Calculation of heat gain 13
2.4.1 Calculation of heat input from people 13
2.4.2 Calculation of heat gain from artificial lighting sources 14
2.4.3 Calculation of heat gain from solar radiation 14
2.4.4 Calculation of heat gain from equipment 15
2.4.5 Heat input from heating 17
2.5 Heat balance 17
3 CALCULATION OF AIR EXCHANGES 18
3.1 Determination of local exhaust ventilation volumes 18
3.2 Determination of the volume of general ventilation 19
3.2.1 Calculation of harmful emissions 19
3.2.2 Calculation of air exchange for dilution of excess apparent heat 20
3.2.3 Calculation of air exchanges for dilution of harmful emissions 21
3.3 Air balance 22
4 DESIGN AND CALCULATION OF VENTILATION SYSTEMS 23
4.1 Selection and justification of fundamental solutions for ventilation
buildings 23
4.2 Selection and calculation of air distribution devices 24
4.3 Aerodynamic calculation of ventilation systems 27
4.4 Aerodynamic calculation of aspiration systems 27
4.5 Calculation of aeration 30
5 CALCULATION AND SELECTION OF EQUIPMENT 31
5.1 Calculation and selection of the heater 31
5.2 Calculation and selection of air intake grilles 33
5.3 Calculation and selection of insulated valve 33
5.4 Selection of the filter 34
5.5 Selection of fans 34
5.6 Selection of equipment for the treatment of ventilation emissions 38
5.7 Calculation of air-thermal curtains 38
Project's Content
Вентиляция сварочного цеха.dwg
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промвент записка.docx
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- 24.01.2023