Greater than 65t / h industrial boiler of what air pollutant emission standards should be executed? A: The State Environmental Protection Administration, Central Division-standard  No. 012 document pointed out that the emergence of a small number of parameters currently higher than GB1921-80 "industrial steam boiler parameters Series" and GB3166-82 "dzl2 8-0 7 95 70-aii coal fired hot water boiler parameters Series" layer burning, stoker boiler, regardless of its use Zanan GB1327-91 execution. Therefore> 65t / h or more (except coal, circulating fluidized bed, and fuel, gas fired boilers) industrial boilers should be performed "boiler air pollutant emission standards."
In promoting energy conservation work, many of our cities have regulations limiting the city center of coal-fired industrial boilers, requires the removal of small coal-fired boilers, replaced by large-scale coal-fired central heating boiler cogeneration or fuel gas-fired boiler, which because the fuel gas-fired industrial boilers has the following obvious advantages of energy saving. 1) high thermal efficiency of the boiler. Average operating coal-fired industrial boiler thermal efficiency of only 60% to 65%, the lower the efficiency of the boiler capacity is smaller; industrial boiler fuel gas thermal efficiency is generally 80% to 85%, the thermal efficiency of the different capacity of the boiler is not very different, industrial boilers Automatic fuel gas thermal efficiency as high as 93% to 95%. See the combustion efficiency, combustion efficiency of coal-fired industrial boilers average less than 80%, the average industrial boiler fuel gas combustion efficiency of more than 95%, combustion efficiency of most industrial boilers Automatic fuel gas up to 98% to 99% (considering the flue gas condensate after the recovery of latent heat). 2) low energy consumption. Fuel gas combustion boiler generally use a slightly positive pressure, just a fan, no dust, coal, slag removal equipment, running less than half the power consumption of coal-fired boilers; small industrial boilers frequent starts and stops, since the fuel gas-fired boiler stop convenience , that is shutdown completely stopped fuel consumption, unlike coal-fired boiler shutdown device still consumes a certain amount of fuel. 3) Low fuel transportation energy consumption. Noncombustible ash coal and water 30% to 40%, ash after burning and 30% to 40% by weight of coal, half of the group receives only the oil and gas of low calorific value, coupled to the fuel conduit and gas transport, with the transport of fuel oil calorific value of coal and ash transport energy less than energy consumption 1 / 4.4) and steel boiler for producing low energy consumption. Producing fuel gas boiler steel consumption is only 40% to 60% with coal-fired boiler capacity. 5) fewer pollutant emissions. Coal contains a large amount of incombustible components, combustion ash and unburnt coal dust become, the major sources of air; and a coal ash transport, storage, and in particular the field of coal ash open field dust pollution caused by the ground; Dust , slag would cause water pollution. In general, at the same furnace heat release, smoke emission was about 11 times as coal fuel, is about 500 times the gas; of SO2 emissions from coal burning is about 3 times the fuel, gas 4000 times ; about the NOx emissions from coal burning of 3 and 4 times the fuel gas. It is estimated that the greenhouse gas emissions - a coal-fired industrial boilers of the same capacity when the CO2 emission light diesel fuel is about 1.3 times, 1.5 to 1.8 times the combustion of natural gas, city gas twice or more the burning.
1.High efficiency: the corner tube hot water boiler grate structure design is reasonable, precision casting, scaly type fire grate assembly clearance is small, little grate coal leakage, replacement without stopping furnace. The wind chamber adopts isobaric wind chamber with small throttle structure, good sealing, air distribution uniformity, and can control the combustion section for air volume, in order to obtain the optimal combustion state; in the front arch region by enhancing the combustion technology, mechanical loss of incomplete combustion rate was only 7%, the authority testing the thermal efficiency up to 82% above, can bring huge economic benefits to the user.
2.Environmental protection: the excess air coefficient type hot water boiler tail heating surface tube after only 1.4~1.6 angle, not only reduces the heat loss of exhaust gas, reduce the fan power consumption, but also greatly reduces the environmental pollution of boiler room.
3.Security: corner tube hot water boiler wall mounted light insulation material, covered with a compound silicate board, then the metal plate reinforcement, no brick structure, excellent insulation effect, at the same time the boiler operation and control of high degree of automation, convenient operation and safety.
After use throughout the winter, the Central Conservatory of Music give us feedback, six V6-99 fully meet the heating needs of the school. And boiler fuel and water requirements are not high, urban water and low-pressure natural gas combustion can operate. The most important point is that nitrogen oxide emissions are very low and very happy to recommend it to others to do the brother of boiler units. --customer feedback
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