industry small electric steam boiler
Category fuel steam boiler steam boiler fuel can be divided by industry small electric steam boiler, steam boiler fuel, gas steam boiler; according to the structure can be divided into vertical and horizontal steam boiler steam boiler, steam boiler small, mostly single and double back to back the vertical structure, large steam boiler horizontal structure of the three-loop. Steam boiler is an energy conversion device, the energy input to the boiler fuel chemical energy, electrical energy, thermal energy and other forms of high temperature flue gas, and after converting the boiler, the steam output having a certain outside thermal energy, high-temperature hot water or an organic carrier. Electric heating boiler and the boiler is mainly composed of electric control box and control system. Its characteristics are environmentally friendly, clean, no pollution, no noise, automatic, with limited energy and reduce prices significantly, as a new boiler electric heating boiler equipment increasingly being recognized. Electric heating the core member is electrically heated boiler, directly determines the life of the boiler, to select a non-metallic electrical heating tube (such as a ceramic heating pipe), because it is resistant to the load, a long life, and a water separation structure, the boiler Wing no leakage. The main findings are as follows: 1. Vertical double structure vertical oil return steam boiler burner shutdown mode, two circuit configuration, fuel combustion, boiler stable; flue insert spoiler, smoke slow speed, increasing the heat transfer, high thermal efficiency, reducing user costs. Horizontal Horizontal three loop steam boiler shell is a full moisture pyrotechnic refluxed for three loop pipe structure, large combustion flame in the combustion chamber a slight positive pressure, fully extended, combustion heat load is low, the high heat of combustion efficiency, reduce exhaust gas temperature, energy saving, economical use. Wave structure and the furnace flue pipe threads not only improve the strength of the heat absorption of the boiler, and the heating surface to meet the requirements of expansion, scientific, reasonable, and durable.
China's energy revolution continues in depth. According to the director of the National Energy Regulatory Agency, Mr. Li Ye provided by the 2018 annual generating capacity of 6.8 trillion kwh of nuclear power, hydropower, wind power, solar energy and other non-fossil energy accounted for about 30%.
In total energy consumption of 4.62 billion tons of standard coal, a non-fossil energy accounted for 14.3%. Li Ye said the 2020 schedule is expected to achieve a 15% share of the consumer target. Coal in primary energy consumption is first reduced to 60%.
According to local NPC and CPPCC news recently held a show in 2019, and more through the sky to defend the war, to production capacity and other strategies, from industrial, civil and other aspects, to further reduce coal consumption, increase the use of natural gas, solar, wind power and other energy varieties . "Minus coal" has become an important theme in 2019 to promote local energy reform.
By contrast, natural gas production has improved throughout the year, an increase of 7.5% last year, to reach 161 billion cubic meters; imported 90.39 million tons, an increase of 31.9%, increase speed to accelerate to 5%.
At the same time, optimize the structure of power, nuclear power, wind power, solar power double-digit growth, increased by 18.7% over the previous year, 16.6% and 19.6%.
Outside central planning, where two sessions news shows, Beijing, Tianjin, Hebei, Liaoning, Heilongjiang, Hubei, Henan, Anhui, Fujian, Sichuan, Xinjiang and other provinces (cities, districts) made from the resolve of coal production capacity, exit behind coal units , clean heating, natural gas pipeline network construction of related facilities, the development of various aspects of clean energy such as power production, transportation and consumption, promote energy revolution.
Beijing, Tianjin, Hebei, Henan, Anhui and other places, our total coal consumption has been identified as key areas of control. Of the total coal consumption in 2018 before four regions decreased by 10% compared with 2015, down 5% in Anhui Yangtze River Delta region is located.
Beijing: According to the statistics show that in 2018, Beijing completed 450 village "coal to clean energy", the basic Plains Coal-free, high-quality clean energy accounted for more than 96%, the basic bid farewell to coal pollution. To prevent this complex burning coal for a rebound, no coal rank consolidate control results.
Tianjin: 2018, Tianjin has also ushered in the $ 18 billion Three Gorges Group offshore wind projects, the completion of coal to electricity, gas and central heating coal to build up a total of 238,000. 2019 will promote low-nitrogen transformation and construction work clean diesel transformation of mechanical gas-fired boilers, in an orderly urban and rural residents clean alternative to coal for heating.
Hebei: 2018, Hebei Yajian completed 14.01 million tons of coal, thermal power 550,000 kilowatts; 2019 will continue to promote coal reduction mission, planned Yajian 10 million tons of coal, 500,000 kilowatts of thermal power, continue to implement the clean winter heating engineering.
Henan: Henan last year to resolve the coal production capacity 8.25 million tons, the elimination of backward coal units 1.077 million kilowatts. This year plans to phase out coal units behind the transformation of about 1.5 million kilowatts, the main city of Zhengzhou City, to promote coal units cleared and the main city of Luoyang coal units basically cleared to accelerate the development of clean power, new renewable energy power generation installed capacity of 1.8 million kilowatts .
Henan Province is the only one mentioned in clean energy consumptive province, 2019 will continue to promote energy outside the lead channel construction, the province interoperability, optimizing the energy structure and layout. Comprehensively promote green electricity into the Henan construction, improve the ability to absorb foreign clean.
Qinghai: According to preliminary statistics, director of State Grid Energy Research Institute, the Institute for New Energy and statistics, in 2018 the scope of the province supporting the new energy transport grid construction, new energy sources to enhance the delivery capacity of 3.5 million kilowatts. Qinghai photovoltaic power generation efficiency of over 95%.
Anhui: Anhui Province last year to exit the coal production capacity 6.9 million tons, the new renewable energy power generation installed capacity of 3.05 million kilowatts; energy-saving plan to complete the upgrading of more than 1.26 million kilowatts coal units this year, to promote the reduction of coal consumption alternative, withdraw excess coal production capacity of 1.65 million Ton.
Sichuan: The hydroelectric province, the focus of China's largest clean energy base in Sichuan in the "alternative energy", will accelerate this year to enhance the level of electrification, transforming the province's abundant clean energy advantages into development advantages; to focus on deepening the reform of power factor markets reform, construction of hydropower absorptive industries demonstration zone, the development of large data, electrolytic hydrogen and other green energy carrier industry.
Fujian: Fujian will accelerate to promote nuclear power, pumped storage, LNG receiving station, natural gas pipeline network and other major energy projects, for new annual installed capacity of more than 2 million kilowatts of power; perfect system of paid use of environmental resources by energy rights.
Deputy director of the Energy Development Center edify the National Energy Renewable represent the future of green certificates market will be issued towards the expansion of the scope of the certificate, the adjustment period, transactions, etc. due to the quota should be monitoring and evaluating mechanisms obligations, non-hydro renewable energy, expand trading partners development direction.
Long-term supply: Gas-fired steam boiler, gas hot water boilers, gas condensing boilers, low nitrogen gas-fired boiler, oil-fired boiler, industry small electric steam boilers, electric hot water boiler.
How to prevent running back pass secondary combustion 1, 30% of the rated boiler to deal with the amount of purge air before boiler ignition; the boiler must be 30% of rated air flow purge less than 5 minutes after the boiler fire, or allowed to boiler re-ignition. 2, fine-tuning the boiler and combustion systems pulverizing system operating conditions, to prevent incomplete combustion of oil and coal accumulating on the tail heating surface or flue. 3, boiler burning oil, adjust the proper air flow, fuel flow, confirming good gun oil spray, burning completely. If you find a bad oil spray gun should be discontinued immediately, and clean up. 4, when the oil application group administered powder, cast powder should be confirmed before the oil burner ignition good, or allowed to cast powder. 5, the oil powder boiler during cofiring, and check the fuel oil gun system of fire reinforcement. 6, normal operation, operation personnel in monitoring the economizer, an air preheater flue tobacco in different conditions of temperature, abnormal, should be checked to detect a fire-place. 7, air preheater sootblowing steam system normally put into operation, the soot-blowing pressure and temperature in a predetermined range. When the unit load or less prolonged 300MW kerosene mixed combustion, air preheater sootblowing steam to be continuous. 8, the air preheater into a reliable fire alarm device. 9, an air preheater inlet and outlet fume / air damper, and should be able to put an electric shutter can be open, closed tight. 10, if found preheater stall, should be put into operation again immediately, if not turn back, they should be isolated.