"Henan 2018 campaign of air pollution control plan" recently introduced, to guide and encourage medium-sized coal-fired coking waste heat boiler working principles eliminated. In the province's foundation 10 steam tons / hour and the coal-fired boiler Chaigai, and gradually expand the boiler removal and clean energy transformation of coal-fired range, before the end of 2020, the basic elimination of provincial cities planning area 35 steam tons / hour and coal-fired boilers.
Financial awards complement the way:
1, the completion of the coal-fired boiler Chaigai before the end of October 2018, giving not less than 60,000 yuan / tons of steam financial awards complement;
2, the completion of the coal-fired boiler Chaigai before the end of October 2019, giving not less than 40,000 yuan / tons of steam financial awards complement;
3, the completion of the coal-fired boiler Chaigai before the end of October 2020 no longer give financial awards complement.
Further, out of the boiler removal methods include eliminated, an alternative centralized heating boiler, coal gas, coal to electricity, use geothermal, wind, solar, biomass with baghouse, clean coal to burn not including , CWS, anthracite, semi-coke, green coke, crude oil, coal-fired boiler removal must be removed chimney or flue physical cutting, it does not have the complex production conditions. Do not use has been shut down, eliminated waste coal-fired boilers to cash rewards and subsidies. In the process of new coal-fired boilers to switch to natural gas to be synchronized to achieve low nitrogen transformation.
So, condensing heat recovery waste heat recovery coking waste heat boiler working principle is how to achieve ultra-high thermal efficiency it? 1, different structures with ordinary gas-fired boilers, waste heat recovery condensing gas boiler addition of the condensing heat exchanger, economizer and air preheater, these facilities are recycled flue gas latent heat made adequate preparations. 2, burner structure is also different. Waste heat recovery boiler of condensing gas burner uses a split combustion engine, and in advance of the combustion air is heated by the air preheater, the heat released by combustion of the fuel is directly supplied to the boiler, to the combustion air need not be provided. 3, the condensing heat exchanger select stainless steel finned tubes, heat transfer rate is more than five times the ordinary boiler, heat better, longer life. 4, gas condensing heat recovery boiler also propose solutions to the nitrogen oxide emissions through the selection of target quality low NOx combustion engine to achieve low nitrogen emissions, is a pioneer in environmental protection.
Principle gas coking waste heat boiler working principle gas boiler can be divided according to the fuel gas boiler, boiler city gas, coke oven gas boiler, liquefied petroleum gas boiler and boiler; functions can be divided in accordance with KS-Q water gas boiler, CLHS / CWNS gas water boiler (including gas heating boiler and bath gas boiler), LHS / WNS gas steam boiler and the like; can be divided according to the structure of vertical gas boiler, gas boiler horizontal; in accordance with the flue gas flow can be divided into three single backhaul backhaul gas boilers and gas boiler.
In order to ensure the safe operation of condensing coking waste heat boiler working principles must strengthen the monitoring of condensing gas boiler, and therefore should be installed indicating pressure gauge, water level (water level alarm), safety valve, gas leak alarms, thermometer on the boiler and condensing boiler protection the safety accessories.
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