hot water boiler for hotels and baths

When determining the bath boiler, it is not necessary to determine the boiler capacity. The boiler fuel, boiler pressure, boiler type, etc. also need to be determined. Bathtub boilers are designed with a wide range of content and often need to be delivered to professionals to determine.

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."

Hot water boiler corrosion causes what is what causes the corrosion of hot water boiler for hotels and baths is? At present, heating, hot water for most conventional boiler or hot water boiler (boiler water pressure or atmospheric pressure), but generally not life long, so manufacturing quality problems in a boiler, but there are inevitable in the use of corrosion and scalability. There are three main causes corrosion. First, the oxygen corrosion in construction and inactivation traditional hot water boiler, if you do not take protective measures, the air will invade the pot. Atmospheric oxygen and moisture can cause corrosion of oxygen. Hang oxygen corrosion caused by accelerated corrosion of late. In the failure of the entire system, especially the part of the water easily extinguished, if the surface residues and slag, corrosion than normal operation. Second, the return condensate corrosion in northern China heating cycle designed to return water temperature 75 degrees Celsius, but in actual use often return water temperature is 50 degrees Celsius or even lower. In this environment, the flue gas water vapor condenses into liquid water, with sulfur dioxide and NOX combustion mixture to produce a strong acid, severe corrosion chimney, chimney and chimney, red rust water, the pot severe corrosion. This stove will burn out after about three years. Third, the furnace body, a lot of smoke tube fouling water boiler is added directly to an external water source directly, while the quality of life directly affects the quality of the boiler. When hot water heating, scale will continue to precipitate and deposit on the smoke tube of the furnace and, thereby increasing the heat transfer resistance, reducing boiler efficiency. The accumulation of scale in a way, the burner, boiler smoke tube wear, resulting in scrap.

1 t 1 t of steam introduced gas boiler threaded pipe in the boiler design, relatively low flow rates, to ensure sufficient heat transfer, the flue gas also controls the low resistance, low power consumption, load regulation ratio. The main welding using 100% ray detection, to ensure the safety and reliability of operation of the boiler. Boiler automatic control, adaptability of the burner. Using imported burner, reliable performance, high degree of automation. Advantages: Host forms an integral structure, the burner assembly of the smoke front cover, the main body portion of the combustion chamber and the heating surface arrangement has a reasonable structure, compact, low consumption of steel, with a bias waveform furnace furnace, the insulation layer. selection of new lightweight insulation materials, packaging using a color sheet, a rectangular parallelepiped outline package, the boiler performance, weight, frame size, appearance and capacity of the domestic product it has obvious advantages compared to US tons of steam perception .1 automatic control level of the leading boiler: boiler controller high quality electrical components, reliable performance. The controller has three forms: common type, has a Chinese menu type liquid crystal display, interactive touch-screen remote control type. Wherein the standard is a common type. 1 ton gas boiler takes about 1 hour 75 cubic meters of natural gas consumption. Mainly to see the thermal efficiency of gas calorific value and boilers. Air consumption per hour: 1 ton steam boiler air consumption is calculated as: gas boiler gas consumption (per hour) = power * time gas boiler / heat value of fuel / gas calorific value boiler efficiency. 1 t 0.7MW power gas boiler, the heat value of the fuel according to 35.53MJ / N per cubic meter, the thermal efficiency of the boiler by 90%. So, one ton gas-fired one hour consumption = 0.7MW * 3600 Miao /35.53MJ/Nm3/90%. So the theoretical data obtained from the formula: 1 ton gas-fired gas consumption is about 75 m3. Features: 1, ancillary equipment complete, advanced comprehensive technical performance burners and advanced water treatment equipment unified configuration world famous brand, consumer safer and more stylish.! 2, the steam boiler is designed for large-diameter Furnace: boiler combustion chamber by the large diameter furnace and wet back combustion chamber with large combustion space, complete combustion of fuel, effectively absorb the thermal expansion, the radiation heating surface. 3, ancillary equipment complete, advanced comprehensive technical performance. Burners and advanced water treatment equipment unified configuration world famous brand, consumer safer and more stylish! 4, the steam boiler is designed for large-diameter Furnace: boiler combustion chamber by the large diameter furnace and wet back combustion chamber with large combustion space, complete combustion of fuel, effectively absorb the thermal expansion, the radiation heating surface.

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