《采暖通风与空气调节设计规范 GBJ19-87》

1 General1

Contents1

2 Indoor and outdoor air design conditions3

2.1 Indoor air design conditions3

2.3 Solar irradiance in summer8

3 Heating9

3.1 General requirements9

3.2 Heating load15

3.3 Radiator heating18

3.4 Panel heating20

3.5 Hot air heating and warm air curtain23

3.6 Heating pipelines26

3.7 Steam ejector30

4 Ventilation31

4.1 General requirements31

4.2 Natural ventilation33

4.3 Thermal insulation and cooling35

4.4 Mechanical ventilation37

4.5 Dust control and cleaning40

4.6 Fire prevention and explosion proofing43

4.7 Equipment, duct and the others48

5 Air conditioning52

5.1 General requirements52

5.2 Load calculation54

5.3 System design58

5.4 Space air diffusion61

2.2 Outdoor air design conditions65

5.5 Air handling65

6.1 General requirements67

6 Refrigeration67

6.2 Compression type refrigeration69

6.3 Heat-operated refrigeration70

6.4 Design of refrigerating station, arrangement of71

equipment and miscellaneous71

7 Automatic control75

7.1 General requirements75

7.2 Detecting, interlock and signal display76

7.3 Automatic regulation and control77

7.4 Automatic protection and control of refrigerating installation80

Sound attenuation and vibration isolation82

8.1 General requirements82

8.2 Sound attenuation and insulation83

8.3 Vibration isolation84

Appendix 1 Terminology86

Appendix 2 Outdoor climatic conditions90

Appendix 3 Simplified statistic methods for outdoor design temperatures180

Appendix 4 Global solar irradiance for summer182

Appendix 5 Solar irradiance through standard window glass for summer210

Appendix 6 Distribution map of atmospheric transparency252

for summer air conditioning252

Appendix 7 Heat loss for heating cold air infiltrated253

through gaps of doors or windows253

Appendix 8 Orientation correction factor for cold air infiltration256

Appendix 9 Calculation of natural ventilation261

Appendix 10 Calculation of systematic local relief264

Appendix 11 Minimum velocity in dust removal duct266

Appendix 12 Conversion factors between SI and conventional units267

Appendix 13 Explanation of words in this code268

Additional description269