Typical Industrial Size Of Boiler

Typical Industrial Size Of Boiler

Recently, the National Energy Board, the Department of Ecology Environment issued "on the issuance of 2018, the provinces (autonomous regions and municipalities) of coal ultra-low emissions and energy-saving targets and tasks" (the "Notice"), called on all localities continued to do over coal low-emission and energy-saving, and promote the development of clean and efficient coal. Ultra-low emissions and to promote energy-saving work in the country has been more than two years, has been established to complete the task of transformation in the eastern provinces, the transformation of the focus shifted to the central and western regions, while the transformation of scope as technology advances and the increasing demand for policy gradually extended.

Under the "notice" requirement, this year nationwide, ultra-low emissions coal power reform objectives and tasks a total of 48.68 million kilowatts, energy-saving goal is to reach 53.905 million kilowatts. In 2016, the capacity of the units involved in the transformation of two to 254.36 million kilowatts, respectively, and 189.4 million kilowatts, good reform bear fruit.

President of the State Power Environmental Protection Research Institute Zhu France and China, said: "By the end of last year, a nationwide ultra-low emissions transformation target task completion rate has reached 71%," ultra-low emissions coal and transformation better, the eastern region has been basically completed, part central provinces ahead of the completion of the task of transformation.

In 2015, the former Ministry of Environmental Protection, the National Development and Reform Commission, the National Energy Board issued "the full implementation of ultra-low emissions and energy-saving programs of work-fired power plant", requires the completion of the eastern part of the overall transformation of ultra-low emissions before the end of 2017, the central region and strive in 2018 years basically completed, the completion of the western region in 2020. "2018 provinces (autonomous regions and municipalities) of coal ultra-low emissions and energy-saving task summary table" (hereinafter referred to as "transformation task list") shows that the eastern provinces have been basically completed the transformation of ultra-low emissions, not published this year transformation capacity unit task. But it is located in the Yangtze River Delta, Jiangsu Province, still issued 1.4 million kilowatts ultra-low emissions and energy-saving renovation target of 900,000 kilowatts.

Zhu France and China, said, "in accordance with the requirements of 2015, Jiangsu has completed the ultra-low emissions and energy-saving target in 2017. However, the new policy will be more units into the transformation range, Jiangsu this year, there is still the task of transformation. In June, the State Council issued a "winning blue sky battle three-year action plan" (hereinafter referred to as "three-year action plan"), required by the end of 2020, more than 65 tons of steam key areas of coal-fired boilers have completed ultra-low emissions and energy-saving. "

It is understood that "three-year action plan" prior to the implementation of energy-saving and environmental protection requirements only for the reconstruction of more than 300,000 kilowatts of conventional units, more than 100,000 kilowatts of power plant owned units. "According to the existing requirements, including Beijing and Tianjin and the surrounding areas, the Yangtze River Delta region and Fenwei plains, including the key areas, more than 65 tons of steam boilers are also included in the scope of the transformation will involve part of 100,000 kilowatts or less captive power plant units and industrial boilers. "Zhu France and China, said," "three-year action plan" in addition to the deadline of 2020, does not provide a specific timetable for the task. Next, the key areas are the provinces in accordance with the requirements of more units, boiler transformation. "

"Task of transformation" table displays, ultra-low emissions transformation capacity this year, mainly in the western region of Inner Mongolia, Shaanxi, Gansu, Xinjiang and so on. In the trend of ultra-low emissions overall speed of the transformation, central Shanxi, Anhui, Henan and other provinces in the region have been completed ahead of the transformation target ultra-low emissions, but energy-saving task still more arduous. Among them, Henan Province this year, energy-saving target capacity of 10.8 million kilowatts, Hunan has reached 9.995 million kilowatts.

Since the ultra-low emission transformation involves the emission of pollutants and other environmental problems, caused by the high social concern. In contrast, concern about energy-saving electric power mainly from the enterprises themselves. Zhu France and China, told reporters, on the one hand is the national energy saving policy requirements, on the other hand also in line with the needs of enterprises to reduce their own costs. At present coal prices continued to run high, coal companies operating pressure, reduce production costs even more urgent demand.

In 2014, the National Development and Reform Commission, the former Ministry of Environmental Protection, the National Energy Board issued "coal upgrading and transformation of energy saving action plan (2014-2020 years)", for energy-saving technology roadmap active coal-fired power units were enumerated, involving the master each link auxiliary equipment, environmental protection equipment and a total of 20 reform measures, in addition to "subcritical unit transformed into ultra (ultra) supercritical units", the rest of the technology have already matured.

In recent years, along with tighter environmental requirements, provide renovation and operation and maintenance services to the rapid development of environmental protection industry. In particular third-party environmental companies, with technical, cost and other advantages, occupy a certain share of power generation enterprise environmental transformation market. But a power industry experts said, is very difficult third-party independent companies to enter the field of environmental protection energy-saving power plant.

"Ultra-low emission increase in the transformation of the original system is new equipment, energy-saving and optimized for major transformation of existing equipment, and boiler plant, steam turbine plant than environmental protection enterprises to understand their own devices." The expert said, "Not only that as systems engineering, energy-efficient coal-fired units involved in the whole process of production, and plant operation economy, is closely related to security, not easily open to third-party companies. third-party companies to enter the energy-saving environmental protection than to enter the market face greater pressure."

Boiler which can raise difficult problems? Boilers, pressure to use its license, specifically refer to? Boiler insulation materials, what? The thickness of the insulation layer, how to calculate? And, on this important site typical industrial size of boiler product, what, we must know and master? These issues are on the boiler, but also are not in front of, so the following immediately to explain and answer, I hope that everyone in some gains. 1. boilers, pressure to use its license, what is? And, insulation materials which can be used? The thickness of the insulation layer, how to calculate? Permission to use the pressure of the boiler, its specifically, it refers to the boiler through the safety inspection, control its test results to determine the upper limit of safe working pressure of the boiler, in order to ensure the safe operation of the boiler. So, it is a very important parameter, not sloppy.

After the typical industrial size of boiler stop working, turn off the boiler inlet and outlet valves, open the drain valve to discharge water. Fill nitrogen with a purity of 99% or more to the tubes. When filling nitrogen, close all the external interfaces of boiler water side, and should be tight without leakage, nitrogen pressure gauge should be kept at more than 0.05MPa. During the nitrogen protection, should always observe boiler water system nitrogen pressure, when it drops, you should find and eliminate the leaks and add nitrogen to keep the required pressure. During the nitrogen protection if could fill nitrogen timely, and keep the required pressure, This method is applicable to long-term shutdown (over three months), or prevent boiler from freezing and icing in cold climates. When restart the boiler, the nitrogen could exhaust to the air directly.

Run industrial typical industrial size of boilers areas requiring attention are what run industrial boilers to note what? Mainly industrial boilers to provide heat and power for other industrial production equipment in order to maintain the momentum of its production and operation. One of which is industrial boilers, mainly to maintain the steam-powered electricity generation or supply. Another is the traditional industrial boilers, coal as raw material which, powered by waste heat recovery, to maintain production run, it is widely used in industrial production. 1. Use industrial boiler operators, requires not only the knowledge and skills of skilled operators, the operation of the boiler should be prohibited from leaving their jobs, the boiler in a state of neglect, reduce accidents too much pressure boiler water level or higher The phenomenon. 2. When the boiler pressure increases, the staff should be subject to rigorous technical evaluation of relevant professional departments to be adjusted to avoid overpressure phenomenon mislead operator error without adjustment. Pressure gauge and safety valve common faults, while related to the operation of the operator should be strengthened. Timely processing of boiler operation anomalies. 3. Prior to the use of the boiler, the boiler should be fully checked structure and current and voltage is within the normal range. To avoid unreasonable boiler structure, poor weld quality, safety accessories related failures caused by industrial accidents occurred in the boiler during operation, and should be sufficient for boiler water treatment prior to use to reduce the incidence of accidents in the run and run.

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Typical boiler efficiency will be in the 75 85% range; new highest efficiency boilers may be near 90%; newer quick heat up types of boilers with copper heat exchangers can be more efficient, especially at startup and part load than older, heavy mass cast iron boilers.

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