Recently, the Hebei Langfang municipal government office "ten policy measures to support Hebei Province to promote the transformation of key industries and Ultra Low Emission Boiler (depth control)," according formulated and issued a "Langfang City to promote the transformation of key industries and Ultra Low Emission Boiler (depth governance) policy measures to support ten "(the" measures "), and comprehensively promote the iron and steel, cement, glass and other key industries and the transformation of ultra-low emissions of pollutants boiler, boiler-fired power plant pollutants depth governance.
"Measures" mentioned, strictly implement the "smooth approval of the green channel" to further deepen innovation and entrepreneurship, service development, people's livelihood-oriented "double hit double service" activities, enhance the quality and speed double simplify the above key industries and boilers the transformation of ultra-low approval procedures ultra-low emissions of air pollutants and other projects, the implementation of government-supported environmental protection equipment investment tax credit policy. The strict implementation of the relevant departments of the Ministry of Finance and other five, 10% of investment in environmental protection equipment mortgaged year corporate income tax liability; subsidies to varying degrees according to differences in the concentration of atmospheric pollutant emissions enterprise latest boiler equipment. For complete depth reduction of atmospheric pollutants and acceptance of coal-fired power and stable operation,
1, lower than the pollutant emission standards of the national and local pollutant emissions taxable value of atmospheric concentration of 30%, 75% reduced rate of levy environmental taxes;
2, lower than the pollutant emission standards in the country and 50 percent of local emissions of the taxable value of atmospheric concentration of pollutants, reduced rate of 50% levy environmental taxes.
"Measures" requirements, to strictly implement the "smooth approval of the green channel" system, continue to deepen the "double hit double service" activities, further upgrading speed, simplify examination and approval procedures, steel, cement, glass and other industries, ultra-low emissions of air pollutants boiler depth reform and governance project pollutant coal power plant; to implement environmental protection equipment investment tax credit policy, to carry out the depth of air pollutants emissions coal power plant, ultra-low emissions transformation of iron and steel, cement, glass and other enterprises and boiler emissions reconstruction project, the Ministry of Finance and other five departments to strictly implement the relevant documentation requirements, the implementation of a 10% investment in environmental protection special equipment to deduct year corporate income tax liability; to implement environmental protection tax relief, to complete the transformation of ultra-low emissions and acceptance stable iron and steel, cement, glass and other enterprises and boiler and emission reduction projects running, complete air pollutant emissions by coal-fired power plants deep acceptance stable operation of the emission of pollutants below the taxable value of atmospheric concentration of pollutants prescribed by the state and local 30% of the emission standard, reduced environmental taxes levied 75%; emission of air pollutants concentration value lower taxable National and local regulations on pollutant discharge standards of 50%, 50% reduced rate of levy environmental taxes; to guide benchmarking upgrading strict iron and steel, cement, glass and other industries, the transformation of air pollutants and ultra-low emissions coal-fired boiler power plant emissions of pollutants EIA depth governance project approval, strict implementation of Hebei Province on ultra-low emissions of iron and steel, cement, glass and other industries and atmospheric pollutants boilers, coal-fired power plant emissions depth local standards. To carry out the EIA approval, pollution permits, environmental supervision and law enforcement services double forward, promote cleaner production, guide enterprises to upgrade pollution control facilities, strengthen fine management, promote the production of green, clean; to give priority to conduct emissions trading . Start as soon as the secondary market trading emission rights, to carry out the depth of emissions of air pollutants and ultra-low emissions of coal-fired power plant transformation iron and steel, cement, glass and other enterprises, boilers and emission reduction projects, the formation of sulfur dioxide, nitrogen oxides emissions amount, priority emissions trading, emission reduction achieved early, early benefit, large reduction, big benefit; promote emission right mortgage loan; to recommend inclusion of advanced technology directory; the implementation of differential pricing policy; to implement load shifting production of differentiated management , in accordance with provincial requirements for stability and achieve ultra-low emissions standards acceptance iron and steel, cement, glass and other enterprises and boilers, as well as in-depth treatment and complete acceptance by coal-fired plants, the implementation of green scheduling, in accordance with the relevant policy requirements appropriate to reduce or avoid peak load shifting production to heating season; to support the selection of units involved in green, continued to improve air quality, and resolutely fight win battle of blue sky.
Advantages premix boiler module 1. Safety: premix combustion, controlled combustion conditions, combustion stability. Compared to traditional boilers, boiler module premix is no security risk due to excessive pressure generated, and hot water delivery is also easier to control than steam. 2. Environmental: compared with the conventional air combustion, boiler module premix premix combustion technology, more complete combustion, flue gas of small size, low pollutant emissions. By the departments of State authority, NOx emissions below 30mg / m³, CO emissions lower than 90ppm, and in line with better than national standards and European standards. 3. Intelligent: modular multi-parallel control, parallel controller can initiate the system out of the water temperature according to its own distribution, the number of equipment units outage, heat to achieve dynamic balance of supply and demand, without staff on duty, to avoid over-heating and heating shortage situation. Durable: premix heat exchanger using boiler module interfaces without welding process, the weld due to eliminate the risk of corrosion and leakage fundamentally made of stainless steel, long service life. Accessories used mainly industry-leading brands to ensure the stable operation of the equipment. 4. Energy: operating at a low temperature, the thermal efficiency of the boiler module premix up to 108%: integrated thermal efficiency of 105%. Far more than the state's level of energy efficiency indicators! Traditional and atmospheric gas boilers compared to gas savings of up to 35%. 5. Light-owned: premix changed the traditional boiler module "with a preparation of" operating mode, each high mutual backup module, equipment investment and utilization. Single small module size, light weight, easy to transport. Once a module fails, the whole system does not have to stop running, easy maintenance.
Gas boiler target pressure fluctuation of issues related to the target pressure is the vapor pressure of the gas boiler size needed to get the actual site. To pay attention to the following points: 1, the steam pressure is directly related to the quality of steam, steam pressure 1.0Mpa as a watershed, 1.0Mpa or less, the lower the vapor pressure, the worse the steam quality; 10Mpa above, the higher the vapor pressure, the worse the quality of steam . Meanwhile, the boiler load can directly affect the quality of steam: 2, at a vapor pressure of boiler water salinity and certain conditions, the boiler load increases, the amount of water vapor with a small amount tends to increase. If you overload the boiler is running, it will be a serious deterioration in the quality of steam. 3, the steam containing impurities damage caused by excessive heat, reduce the heat transfer capability, it will wall temperature exceeds the critical limit temperature to allow the metal, leading to over-temperature burn smoke tube. Steam ranging from the endothermic reduction, overheating temperature decreases, the exhaust gas temperature increases, reducing boiler efficiency. First, a common cause pressure fluctuations: 1 different manufacturing lines; 2 boilers used in combination can cause pressure adjustment... II Solution: modified if necessary according to the actual pressure, it should be carried out within a small range stepwise correction, e.g. 0.02 adjusted up or down. Third, the professional advice: It is recommended to run at a higher pressure, increasing the pressure relief valve at the end. High-voltage transmission principle, the use of low pressure. 1, the advantages of the high pressure steam conduit delivering steam A. The small-diameter, heat loss;. B steam pipe lower costs, support costs less, low labor cost;. C lower cost insulation pipe;. D reduced pressure by using point may be obtained drier steam;. E high pressure boiler is easier to achieve optimum operation, higher operating efficiency;. F increase the heat storage capacity of the boiler, is easy to handle changes in load, and to reduce the priming with water possibility. 2, the low pressure steam pressure reduction A. advantages may be provided in a greater proportion of the steam latent heat;. B reducing the pressure of condensed water can be reduced calories, reduced secondary steam;. C under reduced pressure vapor after having a higher dry degree.
Boiler heat load capacity and size selection table has a very large number of relationships. The larger the thermal load capacity of a single boiler to be greater.
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