Chemical Industry and Engineering Progress ›› 2022, Vol. 41 ›› Issue (9): 4618-4624.DOI: 10.16085/j.issn.1000-6613.2021-2380
• Chemical processes and equipment • Previous Articles Next Articles
LI Wei(), QI Dawei, YANG Jiongliang
Received:
2021-11-19
Revised:
2021-12-22
Online:
2022-09-27
Published:
2022-09-25
Contact:
LI Wei
通讯作者:
李伟
作者简介:
李伟(1985—),男,硕士,工程师,主要从事化工工艺设计和风洞真空系统工程研发工作。E-mail: vioglo@126.com。
CLC Number:
LI Wei, QI Dawei, YANG Jiongliang. Direct contact heat transfer process of vacuum exhaust system in wind tunnel[J]. Chemical Industry and Engineering Progress, 2022, 41(9): 4618-4624.
李伟, 齐大伟, 杨炯良. 风洞真空排气系统直接接触传热过程[J]. 化工进展, 2022, 41(9): 4618-4624.
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URL: https://hgjz.cip.com.cn/EN/10.16085/j.issn.1000-6613.2021-2380
序号 | 名称 | 安装位置 | 量程/规格 | 数量 | 品牌或型号 |
---|---|---|---|---|---|
1 | 文丘里流量计 | 冷凝塔进气管路 | 0~100kg·s-1 | 1 | 罗斯蒙特 |
2 | 质量流量计 | 冷凝塔进水管路 | 0~1000kg·s-1 | 1 | 重庆川仪 |
3 | 压力变送器 | 热气进气口 | 0~100kPa(绝压) | 1 | 罗斯蒙特 |
4 | 温度计 | 冷凝塔进气口、出气口,冷凝塔进水口、出水口,填料位置 | Pt100热电阻 | 5 | 重庆川仪 |
5 | 气体水分分析仪 | 冷凝塔进气口、出气口 | 0~70% | 2 | 诺科仪器NK-300 |
6 | 测量采集系统 | PLC1500 | 1 | 西门子 |
序号 | 名称 | 安装位置 | 量程/规格 | 数量 | 品牌或型号 |
---|---|---|---|---|---|
1 | 文丘里流量计 | 冷凝塔进气管路 | 0~100kg·s-1 | 1 | 罗斯蒙特 |
2 | 质量流量计 | 冷凝塔进水管路 | 0~1000kg·s-1 | 1 | 重庆川仪 |
3 | 压力变送器 | 热气进气口 | 0~100kPa(绝压) | 1 | 罗斯蒙特 |
4 | 温度计 | 冷凝塔进气口、出气口,冷凝塔进水口、出水口,填料位置 | Pt100热电阻 | 5 | 重庆川仪 |
5 | 气体水分分析仪 | 冷凝塔进气口、出气口 | 0~70% | 2 | 诺科仪器NK-300 |
6 | 测量采集系统 | PLC1500 | 1 | 西门子 |
参数 | 值 |
---|---|
热流气体进冷凝塔 | |
Fg/kg·s-1 | 18.88~92.26 |
Tg1/℃ | 58.6~91.8 |
Wg1/% | 25.4~61.35 |
pg/kPa | 18~72 |
冷却水 | |
Fw/kg·s-1 | 100~700 |
L/kg·m-2·s-1 | 1.86×10-2~1.303×10-1 |
Tw1/℃ | 25.0 |
Tw2/℃ | 37.2~61.6 |
参数 | 值 |
---|---|
热流气体进冷凝塔 | |
Fg/kg·s-1 | 18.88~92.26 |
Tg1/℃ | 58.6~91.8 |
Wg1/% | 25.4~61.35 |
pg/kPa | 18~72 |
冷却水 | |
Fw/kg·s-1 | 100~700 |
L/kg·m-2·s-1 | 1.86×10-2~1.303×10-1 |
Tw1/℃ | 25.0 |
Tw2/℃ | 37.2~61.6 |
气体体积分数/% | Fg/kg·s-1 | G/kg·m-2·s-1 | tg1/℃ | pg/kPa | cg/kJ·kg-1·K-1 | I/kJ·kg-1 | |||
---|---|---|---|---|---|---|---|---|---|
H2O | N2 | CO2 | O2 | ||||||
61.35 | 24.4 | 4.81 | 9.38 | 57.7 | 0.0107 | 68.3 | 29 | 1.42 | -7206 |
气体体积分数/% | Fg/kg·s-1 | G/kg·m-2·s-1 | tg1/℃ | pg/kPa | cg/kJ·kg-1·K-1 | I/kJ·kg-1 | |||
---|---|---|---|---|---|---|---|---|---|
H2O | N2 | CO2 | O2 | ||||||
61.35 | 24.4 | 4.81 | 9.38 | 57.7 | 0.0107 | 68.3 | 29 | 1.42 | -7206 |
工况 | pg /kPa | Wg /mg·g-1 |
---|---|---|
1 | 18 | 142 |
2 | 24 | 109 |
3 | 30 | 85 |
4 | 36 | 73 |
5 | 42 | 58 |
6 | 48 | 50 |
7 | 54 | 45 |
8 | 60 | 39 |
9 | 66 | 37 |
10 | 72 | 34 |
工况 | pg /kPa | Wg /mg·g-1 |
---|---|---|
1 | 18 | 142 |
2 | 24 | 109 |
3 | 30 | 85 |
4 | 36 | 73 |
5 | 42 | 58 |
6 | 48 | 50 |
7 | 54 | 45 |
8 | 60 | 39 |
9 | 66 | 37 |
10 | 72 | 34 |
工况 | L/kg·m-2·s-1 | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ |
---|---|---|---|---|
1 | 1.86×10-2 | 45 | 3.08×10-5 | 55.7 |
2 | 2.98×10-2 | 74 | 9.27×10-5 | 54.0 |
3 | 4.09×10-2 | 106 | 2.02×10-4 | 51.9 |
4 | 5.21×10-2 | 144 | 3.77×10-4 | 49.0 |
5 | 6.33×10-2 | 225 | 6.42×10-4 | 44.9 |
6 | 7.44×10-2 | 286 | 1.01×10-3 | 39.1 |
7 | 8.56×10-2 | 345 | 1.37×10-3 | 32.7 |
8 | 9.68×10-2 | 430 | 1.57×10-3 | 28.8 |
9 | 1.079×10-1 | 476 | 1.64×10-3 | 27.1 |
10 | 1.191×10-1 | 496 | 1.68×10-3 | 26.3 |
11 | 1.303×10-1 | 510 | 1.70×10-3 | 25.9 |
工况 | L/kg·m-2·s-1 | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ |
---|---|---|---|---|
1 | 1.86×10-2 | 45 | 3.08×10-5 | 55.7 |
2 | 2.98×10-2 | 74 | 9.27×10-5 | 54.0 |
3 | 4.09×10-2 | 106 | 2.02×10-4 | 51.9 |
4 | 5.21×10-2 | 144 | 3.77×10-4 | 49.0 |
5 | 6.33×10-2 | 225 | 6.42×10-4 | 44.9 |
6 | 7.44×10-2 | 286 | 1.01×10-3 | 39.1 |
7 | 8.56×10-2 | 345 | 1.37×10-3 | 32.7 |
8 | 9.68×10-2 | 430 | 1.57×10-3 | 28.8 |
9 | 1.079×10-1 | 476 | 1.64×10-3 | 27.1 |
10 | 1.191×10-1 | 496 | 1.68×10-3 | 26.3 |
11 | 1.303×10-1 | 510 | 1.70×10-3 | 25.9 |
工况 | R | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ | 工况 | R | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ |
---|---|---|---|---|---|---|---|---|---|
1 | 0.038 | 220 | 5.67×10-4 | 25.1 | 11 | 0.115 | 410 | 1.46×10-3 | 29.5 |
2 | 0.046 | 255 | 6.00×10-4 | 25.2 | 12 | 0.123 | 402 | 1.34×10-3 | 32 |
3 | 0.053 | 320 | 7.80×10-4 | 25.3 | 13 | 0.130 | 365 | 1.33×10-3 | 35 |
4 | 0.061 | 345 | 8.50×10-4 | 25.35 | 14 | 0.138 | 337 | 1.22×10-3 | 37 |
5 | 0.069 | 380 | 1.10×10-3 | 25.45 | 15 | 0.146 | 320 | 1.20×10-3 | 39 |
6 | 0.077 | 388 | 1.15×10-3 | 25.5 | 16 | 0.153 | 302 | 1.15×10-3 | 41 |
7 | 0.084 | 410 | 1.38×10-3 | 26.0 | 17 | 0.161 | 295 | 1.00×10-3 | 43 |
8 | 0.092 | 420 | 1.48×10-3 | 26.8 | 18 | 0.169 | 275 | 9.80×10-4 | 45 |
9 | 0.010 | 425 | 1.49×10-3 | 27.5 | 19 | 0.176 | 265 | 8.90×10-4 | 46 |
10 | 0.107 | 415 | 1.45×10-3 | 28 | 20 | 0.184 | 263 | 8.00×10-4 | 47 |
工况 | R | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ | 工况 | R | hV /W·m-3·℃-1 | kH/kg·m-3·s-1 | Tg2/℃ |
---|---|---|---|---|---|---|---|---|---|
1 | 0.038 | 220 | 5.67×10-4 | 25.1 | 11 | 0.115 | 410 | 1.46×10-3 | 29.5 |
2 | 0.046 | 255 | 6.00×10-4 | 25.2 | 12 | 0.123 | 402 | 1.34×10-3 | 32 |
3 | 0.053 | 320 | 7.80×10-4 | 25.3 | 13 | 0.130 | 365 | 1.33×10-3 | 35 |
4 | 0.061 | 345 | 8.50×10-4 | 25.35 | 14 | 0.138 | 337 | 1.22×10-3 | 37 |
5 | 0.069 | 380 | 1.10×10-3 | 25.45 | 15 | 0.146 | 320 | 1.20×10-3 | 39 |
6 | 0.077 | 388 | 1.15×10-3 | 25.5 | 16 | 0.153 | 302 | 1.15×10-3 | 41 |
7 | 0.084 | 410 | 1.38×10-3 | 26.0 | 17 | 0.161 | 295 | 1.00×10-3 | 43 |
8 | 0.092 | 420 | 1.48×10-3 | 26.8 | 18 | 0.169 | 275 | 9.80×10-4 | 45 |
9 | 0.010 | 425 | 1.49×10-3 | 27.5 | 19 | 0.176 | 265 | 8.90×10-4 | 46 |
10 | 0.107 | 415 | 1.45×10-3 | 28 | 20 | 0.184 | 263 | 8.00×10-4 | 47 |
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