Journal of South China University of Technology(Natural Science Edition) ›› 2023, Vol. 51 ›› Issue (6): 97-108.doi: 10.12141/j.issn.1000-565X.220731
Special Issue: 2023年能源、动力与电气工程
• Energy,Power & Electrical Engineering • Previous Articles Next Articles
YAO Shunchun1,2 ZHI Jiaqi1 FU Jinbei3 LI Zhenghui1 LU Zhimin1,2 ZHUO Junling3
Received:
2022-11-03
Online:
2023-06-25
Published:
2023-01-13
Contact:
卓俊玲(1973-),女,高级工程师,主要从事生态环境执法研究。
E-mail:zhuojl@acee.org.cn
About author:
姚顺春(1983-),男,教授,博士生导师,主要从事能源低碳转化过程的智能感知和调控研究。E-mail:epscyao@scut.edu.cn
Supported by:
CLC Number:
YAO Shunchun, ZHI Jiaqi, FU Jinbei, et al. Research Progress of Online Carbon Emission Monitoring Technology for Thermal Power Enterprises[J]. Journal of South China University of Technology(Natural Science Edition), 2023, 51(6): 97-108.
Table 1
Typical NDIR gas analyzer at home and abroad [6]"
型号 | 测量组分 | 检测范围 | 特性 |
---|---|---|---|
美国Thermo 公司Model-60i | O2,SO2,CO2,CO,NO2,NO | CO2:0~25% CO:0~2.5×10-3 | 检出限≤0.05% 线性度:量程2% 零点漂移:≤0.1% 重复性:量程1% |
英国XENTRA4900型 | O2,SO2,CO2,CO,NO | CO2:0~25% CO:1~2×10-3 | 检出限≤1×10-7 精度:±2% 线性度:±0.5% 零点漂移:±2×10-7 |
德国SmartGasR134A | NO,CH4,SF6,CO,CO2,C2H2 | CO2:0~2×10-3 CO:0~2×10-3 | 检出限≤2×10-6 精度:量程2% 重复性:读数0.5% 零点漂移:≤0.1% |
中国聚光科技AQMS-450 | SO2,CO2,O2,NO X | CO2:0~2×10-3 | 检出限≤2×10-7 示值误差:量程±1% 零点漂移:±2.5×10-7 量程噪声:≤5×10-6 |
中国雪迪龙MODEL 1080 | SO2,CH4,CO,CO2,O2 | CO2:1~1×10-3 CO:0~1×10-3 | 重复性:≤2% 线性度:≤量程1% 零点漂移:≤量程1% 量程漂移:≤量程1% |
Table 2
Comparison of performance and application of different optical detection techniques"
测量技术类型 | 被测对象 | 技术优点 | 技术缺点 | 应用领域 |
---|---|---|---|---|
DOAS | NH3,NO2,O3,NO,SO2,CS2等 | 非接触式测量,设备相对简单,价格较低,测量范围广 | 只能对具有窄带吸收特性的气体分子进行测量、易受到噪声和颗粒等的影响 | 工业检测、汽车尾气排放等 |
FTIR | NH3,NO x,CO,CO2,HF,SO2,CH4,N2O等 | 分辨率高,灵敏度高,重复性低,量程范围宽 | 系统体积大、成本高,且响应时间很长,对环境湿度敏感 | 烟气污染物检测,大气环境监测,实验室检测等 |
NDIR | CO2,CO,CH4,NO x 等 | 系统简单,价格便宜,灵敏度高,监测范围广,对碳排放检测有广阔的应用前景 | 易受到环境水气、灰尘、碳氢化合物等的干扰 | 汽车尾气检测,火山烟羽检测,工业检测,医疗卫生领域检测等 |
TDLAS | CO2,CO, H2O,NO,HCL,CH4等 | 测量精度高,分辨率高,线宽窄,可实现在线非接触测量且不需要采用预处理 | 波长可调谐范围较窄,不能同时测量多种气体 | 大气污染物检测,燃烧诊断,同位素分析,航空航天等 |
Table 3
Comparison of relative errors of different integration methods[55]"
截面位置 | 不同特征点测量方法 | 截面体积流量测量相对误差 |
---|---|---|
0.5D | 等面积法(24点) | 3.563 1 |
对数线性法(26点) | 0.325 5 | |
对数切比雪夫法(25点) | 1.977 4 | |
高斯-勒让德积分法(25点) | 0.840 0 | |
1.0D | 等面积法(24点) | 3.363 7 |
对数线性法(26点) | 0.575 4 | |
对数切比雪夫法(25点) | 2.095 1 | |
高斯-勒让德积分法(25点) | 1.129 3 | |
1.92D | 等面积法(24点) | 2.894 6 |
对数线性法(26点) | 1.110 9 | |
对数切比雪夫法(25点) | 1.944 9 | |
高斯-勒让德积分法(25点) | 1.611 6 | |
2.3D | 等面积法(24点) | 2.664 4 |
对数线性法(26点) | 1.330 2 | |
对数切比雪夫法(25点) | 1.769 8 | |
高斯-勒让德积分法(25点) | 1.674 1 |
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