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Industrial gas fired boiler uses fuel is basically natural gas, the main components of the exhaust gas is methane, but also contains a small amount of ethane, butane, pentane, carbon dioxide, carbon monoxide, hydrogen sulfide, etc. In general, the complete combustion of natural gas will not pollute the air, but when the incomplete combustion of natural gas and sulfur-containing gases generated after combustion will cause a certain amount of air pollution, at this time we have to consider the treatment of exhaust gas in the use of gas boilers.
The effect of boiler exhaust gas recirculation to reduce NOx emissions is related to the fuel type and exhaust gas recirculation. The NOx emission concentration of gas furnace can be reduced by more than 40% when the flue gas recirculation rate is 10-15%. The NOx reduction rate increases with the increase of boiler exhaust gas recirculation rate. And it is related to the fuel type and combustion temperature. The higher the combustion temperature, the greater the effect of boiler exhaust gas recirculation rate on NOx reduction rate.
WNS series gas steam boiler
The gas boiler exhaust gas recirculation rate is generally controlled at 10-20%. When a higher exhaust gas recirculation rate is used, the combustion will be unstable and the heat loss from incomplete combustion will increase. The exhaust gas recirculation method can be used alone on one boiler or in conjunction with other low NOx combustion technologies, resulting in lower NOx emissions.
WNS gas boiler has the characteristics of adequate combustion, non-polluting emission, convenient operation, easy installation, high thermal efficiency, high output, strong load adaptability, high automation, easy operation, safe and reliable operation, which is an ideal high-efficiency, low consumption, low pollution green environmental protection product.
WNS gas boiler does not have the danger of expansion and explosion, there is a constant amount of heat medium water stored in the furnace, there is no danger of dry burning, multiple automatic protection devices, with other boilers cannot be compared to the safety, effectively improve the thermal efficiency, good heat transfer performance, the body three return wet back design, effectively improve the radiation and convection heat transfer area, the thermal efficiency of the boiler up to 95%.
industrial exhaust gas fired boiler
Industrial exhaust gas fired boiler front and rear smoke box selection bolt connection structure design, sealing performance is relatively good. This type of boiler rear flue box design conceived condensate discharge pipe, timely condensate discharge, to prevent soaking the rear door cover and cause the rear door cover rust corrosion. The blowing device at the safety device of the fire-viewing hole of the front door cover is a reasonable and effective way to significantly reduce the ambient temperature of the fire-viewing hole safety device, prevent burning of the door cover around the fire-viewing hole safety device, and prevent burns to the staff of the furnace.
WNS series gas steam boilers are widely used in food processing, feed production, chemical plants, rubber factories, paper mills and many other industries are stable operation. Gas fired boiler price is reasonable, product quality is guaranteed, can produce oil and gas boiler capacity is 1 ton – 110 tons, customers can purchase according to actual demand, welcome to consult at any time.
