The third reason is that the amount of nitrogen oxide released during operation is very small. Most heating equipment such as ordinary outdoor wood coal boilers need to use coal materials as raw materials when they are in operation. Materials such as coal generally release a large amount of hazardous air-quality substances when burned. The condensing boiler uses the steam produced by natural gas combustion as the raw material when it is in operation, so the nitrogen oxide content released during the operation is much lower than the prescribed standard. The analysis of the reason for the year-by-year increase in the sales of condensing boilers has come to an end for the time being.
Burns Hospital Affiliated Hospital of Shanxi Linfen Linfen Steel is attending a hospital burns burns and other diseases. Hot water outdoor wood coal boiler is essential hospital equipment heat, hot water output can provide disinfection of medical instruments and ward heating demand. With constantly improving our environmental policy, boiler correspondingly introduced more sophisticated Use. Linfen hospital burns to respond positively to the national environmental policy, decided to introduce an environmentally friendly low nitrogen gas hot water boiler. Taking into account the special circumstances of the hospital, the boiler should also have the use of safe, clean overall characteristics. Based on the above considerations, finalize the Linfen hospital with burns boiler party cooperation fast, fast is provided by one side of a gas condensing pressure hot water boiler (CWNS2.1-95 / 70-Y.Q).
How to choose a reasonable price brand of industrial outdoor wood coal boilers How to choose a reasonable price brand of industrial boilers, fuel gas-fired boiler, good insulation properties, clean and green, the boiler thermal efficiency advantages, is currently popular on the market a boiler in addition to gas-fired boiler has its own characteristics, the full implementation of the national coal policy to further promote gas-fired boiler coal-fired boiler to become the user's preferred furnace, gas boiler market demand continues to grow. There are many brands on the market boilers, boiler quality is not uniform. For users, how to choose the right brand of industrial boilers price is very important. How to choose the affordable brand of industrial boilers, we all know that smoke respirable particulate matter is the culprit, but in fact, another reason - nitrogen oxides can not be ignored. Coal project promotion, gas boilers ownership will continue to increase. Coal combustion gas may reduce the pressure of the coal, to reduce the concentration of airborne particulate matter, nitrogen oxides, but also an important reason for the smoke, which generates an important condition is a high temperature. Gas boiler for heating and the heating temperature needs. Many gas SO2 emissions from large boilers on the one hand is greatly reduced, on the other hand produce large amounts of nitrogen oxides. Fast side gas boiler gas boiler can be reduced to nitrogen oxides emission concentration 30mg / m or less. With the implementation of the new emission standards across the country over the next three to five years to use low nitrogen gas boiler to improve the cleanliness of a large number of industrial buildings and residential heating gas boiler emissions.
Low NOx emission combustion outdoor wood coal boiler technology a boiler combustion boiler hypoxic hypoxia NOX emissions from combustion is the easiest way to control. And a combustion burner system does not need to make any changes, only control air flow into the furnace in operation, pulverized coal combustion process as close to the theoretical combustion air amount. Low oxygen combustion scheme can reduce NOX emissions by 20% to 30%. The program practical application subject to conditions. Low oxygen furnace, will increase the amount of unburned carbon, and more difficult for the flame of burning coal more obvious; Further, the CO concentration is also increased so that smoke, which will cause decreased boiler efficiency. Another problem is that for certain boilers, hypoxia causes the main combustion steam or reheat steam temperature is low. The burning coal to immediately, boiler efficiency and reduce the magnitude of steam temperature and other properties to determine the appropriate control value of flue gas oxygen furnace outlet (at or economizer) the specific embodiments. Second, air staged combustion technique combustion air into a plurality of strands, it is gradually mixed and pulverized coal combustion, so you can see the local area to reduce the air-fuel ratio, and the thermal decomposition of coal in the ignition phase, due to hypoxia, and thus the nitrogen oxide generation is suppressed. Air classification may be implemented within the combustor, the boiler can be completed within. 85% of the amount of air required for complete combustion is introduced to the main burner, the main burner combustion zone is insufficient oxygen for the fuel-rich conditions. Due to insufficient amount of oxygen, the flame temperature is low, the amount of nitrogen oxides to less generation of fuel nitrogen intermediates (e.g., NCH, NH3, etc.) will therefore not be oxidized NOX. Meanwhile, it has been possible to further reducing NOX generated in a reducing atmosphere to molecular nitrogen (N2 of), as a result reduces NOX emissions. An upper portion of the top floor is provided Ge overfire air (of OFA) spout into the furnace through which about 15% of the rest of the air, to avoid the high temperature flame zone, it is also possible to burn unburned carbon particles, to complete the combustion process.