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Description of Nitrogen Oxide Waste Gas Treatment Equipment

日期:2016/9/21 | 阅读:1069次

The main principle
The use of new "nitrogen oxide conversion solution" to control a certain reaction conditions, in the special structure of the conversion tower to the nitrogen oxide gas reduced to harmless nitrogen and carbon dioxide emissions out.
The main chemical reaction is redox reaction. The new conversion solution used is basically non-toxic and harmless, relatively safe operation, wide range of sources, and the price is lower than the current commonly used sodium hydroxide, operating costs are relatively low.


Project design
The nitrogen oxide effluent from the reaction vessel is passed through a condensing refluxer and then gas-liquid separation through a cyclone to separate the droplets from the exhaust gas to return to the reaction vessel to reduce the discharge of the gold-containing liquid and to save nitric acid and to convert Consumption of pharmaceuticals.
The cyclone comes out of the exhaust gas into the primary conversion tower. In a certain temperature conditions and full contact with the conversion solution, the nitrogen oxides in the exhaust gas and the reaction solution redox reaction, into nitrogen. The first stage after the conversion of the exhaust gas into the secondary conversion tower to continue conversion ... ... until the five conversion tower. Each level of conversion efficiency of 95% or more. In the final exhaust, the theoretical concentration of nitrogen oxides is less than 1 mg / m³. Actual production of the measured data does not exceed 100mg / m³. Less than 240mg / m³ of the two environmental standards.
For ease of control, the system set the level control, temperature detection, the final row of exhaust nitrogen oxide content detection, and alarm signals. To ensure the normal and stable operation of the system to avoid excessive discharge of excessive environmental emissions accident. 

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