Self-calibration continuous and online nitrogen dioxide detection device and method

• Main Authors: Wang Zhuqing, Zhang Hong, Yuan Dong, Fu Dayou, Pan Chuanjiang, Lu Ling
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a self-calibration continuous and online nitrogen dioxide detection device and method. The device comprises a liquid path module, a detection module and a gas path module; the detection module comprises a reactor, a shading shell, a light window and a photoelectric sensor unit; the liquid path module comprises a liquid storage unit, a liquid path switching electromagnetic valve, a liquid inlet pump and a liquid pumping pump; the gas path module comprises a sampler, a sampling gas path, a calibration gas path and a waste has treatment gas path; according to the method, self-calibration real-time online continuous measurement is conducted on concentration of nitrogen dioxide gas in environmental gas with the device. According to the self-calibration continuous and online nitrogen dioxide detection device and method, automatic calibration is conducted on the nitrogen dioxide detection device online in real time with the help of high-reliability nitrogen dioxide gas generating technology a