Code for construction and acceptance of city indoor gas engineering CJJ 94 2003 J 264 2003 2003 1
Code for construction and acceptance of city indoor gas engineering CJJ 94 2003 2003 8 1 2003 2
143 CJJ 94 2003 2003 8 1 1.0.3 2.1.2 3.1.1 4.1.1 4.2.3 4.2.10 6.1.1 2003 4 21 3
[1991] 718 1 2 3 4 5 6 40 100032 4
1... 7 2... 8 2.1... 8 2.2... 8 3... 14 3.1... 14 3.2... 14 3.3... 15 4... 16 4.1... 16 4.2... 16 4.3... 17 5... 19 5.1... 19 5.2... 19 5.3... 22 5.4... 23 5.5... 25 5.6... 25 6... 27 6.1... 27 6.2... 27 6.3... 28 6.4... 28 5
A... 30 B... 32... 40 6
1 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 1.0.6 1.0.7 1.0.8 7
2 2.1 2.1.1 GB 50028 2.1.2 2.1.3 2.1.4 2.2 2.2.1 2.2.2 DN 50 DN 10kPa 2.1.2 TP 2 2.2.3 1 2 3 1 2 1% 3mm 1mm 2.2.4 GB 50235 3.5 8% 8
2.2.5 1 1 A 2 GB 50235 3 10% 2mm 2 1 GB 50236 98 6.3.1 8.2.1 2 3 1 GB 50236 2 3 4 4 1 2 GB 50236 98 11.3.2 5 100mm 100mm 50mm 6 JB/T 74 94 C 7 9
1 2 3 4 5 645 790 6 2.2.6 1 2 3 4 5 2.2.7 1 2 3 10% 4 2.2.8 DN 50 DN 50 10kPa 10
2.2.9 1 2 2.2.10 2.2.10 2.2.10 DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80 DN100 DN150 (mm) DN32 DN40 DN50 DN65 DN65 DN80 DN100 DN100 DN150 DN200 (mm) 2.2.11 1 2 3 4 0.01 2.2.12 1 2.2.4 2 100 120mm 3 2mm 2.2.13 DN 25 30mm DN 25 DN40 50mm DN 50 60mm 11
DN 50 90mm 2.2.14 GB 50028 2.2.15 2m 2.2.15 1 2.2.15 2 2.2.15-1 (mm) (m) (mm) (m) 15 2.5 100 7.0 20 3.0 125 8.0 25 3.5 150 10.0 32 4.0 200 12.0 40 4.5 250 14.5 50 5.0 300 16.5 70 6.0 350 18.5 80 6.5 400 20.5 2.2.15-2 (mm) 15 18 22 28 35 42 54 1.8 1.8 2.4 2.4 3.0 3.0 3.0 (m) 1.2 1.2 1.8 1.8 2.4 2.4 2.4 (mm) 67 85 108 133 159 219 3.5 3.5 3.5 4.0 4.0 4.0 (m) 3.0 3.0 3.0 3.5 3.5 3.5 2.2.16 2.2.16 12
2.2.16 (mm) DN15 DN20 DN25 DN40 DN50 DN75 DN80 2.2.17 2.2.18 5mm 2.2.19 20mm 10mm 2.2.20 2.2.21 2.2.22 1, CJJ 33 2 2.2.23 2.2.24 13
3 3.1 3.1.1 1 2 CMC 3 4 3.1.2 3.1.3 3.1.4 3.2 3.2.1 1 1.4m 2 0.1m 3 300mm 10mm 4 5 150mm 6 3.2.2 3.2.3 14
3.3 3.3.1 50m 3 /h 1.4m 30mm 200mm 50mm 3.3.2 50m 3 /h 200mm 150mm 3.3.3 3.3.4 2.2.6 3.3.5 200mm 3.3.6 1 1.0m 0.8m 2 0.8m 3 1.5m 4 15
4 4.1 4.1.1 4.1.2 2.1.1 4.2 4.2.1 CJJ 12 4.2.2 GB 50028 4.2.3 4.2.4 1 0.5m 0.8m 1.0m 2 1.5m 3 1.50mm 4.2.5 4.2.6 3/4 4.2.7 0.8m 4.2.8 16
3m 6m 1% 4.2.9 1 2 3 1.5m 0.5m 0.6m 4 0.5m 5 1m 4.2.10 1 2 3 4.3 4.3.1 GB 50028 4.2.3 4.3.2 4.3.3 1 2 3 17
4.3.4 1 2 3 4 5 18
5 5.1 5.1.1 5.2 5.6 5.1.2 5.1.3 5.2 5.2.1 5.2.2 2.2.14 1 20% 2 5.2.3 1 5% 5 2 5.2.4 1 10% 1 3 2 10 3 5.2.5 1 2.2.6 2 5 5 5 5 19
3 5.2.6 1 GB 50236 2 10 10 10 3 4 GB 50236 5.2.7 1 2.2.5 2 100% 3 JB4730 5.2.8 1 2 5% 10 3 5.2.9 1 2.2.15 2 8% 5 5.2.10 1 2.2.10 50mm 2 10 3 5.2.11 1 20
2 20% 1 3 5.2.12 1 2 5% 5 3 5.2.13 5.2.13 1 5 2 30m 2 30m 1 5% 5 5.2.13 1 10 2 1m DN100 0.5 DN100 1 DN100 13 (25m ) DN100 25 3 1m 2 (5m ) 10 4 15 5 15 +0.1δ ( δ ) -0.05δ 6 5 10 1m 21
3 5% 10 4 5 10% 5 6 20m 1 5 5.2.14 1 2.2.18 2.2.19 2.2.20 2.2.23 2 100% 3 5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 5.3.6 5.3.7 5.2.4 5.2.5 22
1 20% 2 5.3.8 1 2 5.3.7 1 3 5.3.9 1 2 20% 2 3 5.3.10 5.3.10 20% 5 50% 1 5.3.10 (mm) 15 1 25m 3 /h 5 1 2 25m 3 /h 15 0.4% 5.4 5.4.1 GB 50028 5.4.2 23
5.4.3 5.2.4 20% 2 5.4.4 1 2.0m 2 20% 2 3 5.4.5 GB 50028 5.4.6 1 2 20% 2 3 5.4.7 1 2 20% 1 3 5.4.8 1 2 3 5.4.9 1 2 3 24
5.5 5.5.1 5.5.2 1 2 GB 50028 3 5.5.3 GB 50028 5.6 5.6.1 5.6.2 GB 50028 5.6.3 5.6.4 GB 50028 5.6.5 0.01 5.6.6 1 2 20% 5 25
3 5.6.7 1 2 60% 5 3 5.6.8 1 2 10% 2 3 5.6.9 1 2 20% 5 3 5.6.10 1 2 20% 5 3 26
6 6.1 6.1.1 6.2 6.3 6.1.2 6.1.3 1 2 5.1 5.6 3 4 5 6.1.4 1.5 2 0.4 6.1.5 6.1.6 6.1.7 CJJ 12 6.2 6.2.1 1 2 6.2.2 27
6.2.3 1 10kPa 0.1MPa 2 10kPa 1.5 0.1MPa 6.2.4 10kPa 10kPa 0.5h 1h 6.2.5 0.6MPa 1/3 2/3 15min lh 6.3 6.3.1 6.3.2 6.3.3 0.1MPa 6.3.4 5kPa 15min 30min 6.3.5 1mm U 6.4 6.4.1 6.4.2 1 6.4.3 2 3 6.4.3 B 28
1 2 B.0.1 3 B.0.2 4 B.0.3 5 B.0.4 B.0.5 6 B.0.6 7 8 9 B.0.7 29
A 30
31
B B.0.1 B.0.1 32
B.0.2 B 0.2 B.0.3 B.0.3 B.0.4 B.0.4 33
34
35
36
B.0.5 B.0.5 B.0.5 (mm) ( ) (db ) B.0.6 B.0.6 37
B.0.6 (Mpa) (Mpa) (Mpa) 38
B.0.7 B.0.7 39
1 1 2 3 2 40