Luoyang, Henan Province issued the "Luoyang coal consumption reductions embodiment (2019-2020 years)", the program proposes: To continue to promote alternative coal consumption reduction, the implementation of industry "electricity instead of coal" project.
2016-2018 years, the city of Luoyang excess capacity, coal-fired boiler demolition, energy saving, clean energy alternative through a series of measures to resolve the power industry, pushing the total coal consumption control achieved some success, but the energy mix partial coal, thermal power installed capacity of migraine and thermal power multi siege pattern has not fundamentally changed, there is still emphasis on the industrial structure, high energy-consuming industries continued to increase the proportion of energy consumption, coal consumption is highly concentrated and other issues. Especially since 2018, comprehensive energy consumption of coke, chemical high energy-consuming industries rise significantly, the whole society electricity demand continues to grow, the amount of coal for power generation system tune up utility power plants rise, not fall, some counties (cities, districts) large-scale industrial coal consumption rise, not fall. Therefore, Luoyang City will continue to work to phase out coal-fired boilers to improve the quality of atmospheric environment.
"Plan" put forward the overall goal of coal governance: By 2020, the city's total coal consumption and strive to 2015, down from about 23% control in less than 20.3 million tons. Among them, the total consumption of non-coal power industry control in less than 9.6 million tons, the total coal consumption in coal-fired units ganged public control in less than 10.7 million tons.
"Plan" requirement, the industry needs all kinds of hot water, steam, hot air in the production process, and gradually promote regenerative and direct thermal electric industrial boiler applications. In the metal processing, casting, ceramics, refractories, glass and other industries to promote electric furnaces, industrial kilns and encourage qualified to carry coal to electricity.
Vigorously promote clean heating pilot city construction, 2019, 2020, respectively, the implementation of urban and rural residents electricity instead of coal, 110,000. 2019, 2020, respectively, to complete the electrical heating 500,000 square meters, 800,000 square meters.
In addition, the "plan" also proposed to accelerate the development of clean energy and new energy, the implementation of comprehensive improvement of coal-fired facilities, the city will no longer approve the domain, and the new 35 tons of steam coal-fired boilers, accelerate the elimination of 35 tons of steam / h and coal-fired boiler.
Industrial use of industrial boilers is a low-pressure boiler, but its internal thermal conductivity liquid temperature is very high, and most of the liquids are flammable and explosive, if in the work of industrial boilers are caused by the leakage of thermal conductive liquids, The possibility of causing fire or explosion is very dangerous, so the safety of industrial boiler operation is often worthy of being squarely faced. Because of its high temperature (more than 320 ℃), low voltage (0. 3-0.5MPa) range, the heating temperature can be precisely controlled, it can replace the original steam boiler heating. The heating temperature of industrial boiler can reach 350 ℃, and the heating temperature of molten salt furnace can reach 530 ℃. Because the burning ash of industrial gas-fired boiler fuel cannot be produced, if the mixture of gas and air is injected into the furnace, it may explode within a certain range. The heat transfer medium of petroleum and molten salt above 400 ℃ of boiler operation temperature has the advantage over the service life of molten salt, but the other aspects are at a significant disadvantage, especially in the complexity of the operation of the system.
Vertical electric steam boiler design: The design of the vertical electric steam boiler, since the heating element is completely immersed in water and fully adiabatic, very high efficiency of the electric boiler, the radiation loss can be reduced. Precise calculation designed to make fast and efficiently working pressure boilers. Low heat load surface heating element, not easily melted or softened, and pressure of each element were performed withstand voltage test; work upon the boiler connected to the power and water. Thermally efficient, quiet, clean, more in line with environmental requirements, does not emit NOx (nitrogen oxides) into the atmosphere.
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