sfh47205818 2018 best selling 20 tubes solar boiler

According to statistics, Zhejiang Province, coal consumption totaled 145.91 million tons, accounting for 56.8% of primary energy consumption in the province. Although after careful environmental management, but the main coal-dominated energy consumption remains high in the province's total emissions of air pollutants. In the "Zhejiang Air Pollution Control Action Plan (2013-2017)" issued in December 2013, the coal-fired pollution control remains a top priority.

According to "Zhejiang low-carbon development" Thirteen Five "plan", as of 2020, the province's proportion of non-fossil energy sources will be increased to about 20%, the proportion of the total coal consumption should be reduced to around 42%.

June 15 this year, Hangzhou Iron and Steel Group ironworks blast furnace in the chimney successful blasting, declared the "three noes" no way to urban development of Hangzhou steel companies, no coal-fired generating units, there is no standard yellow car.

To control pollution from coal-fired source, Zhejiang Province, facing elimination from the transformation of the boiler parties policy, funding, pricing, comprehensive resources supporting the work in 2015, 2016, 2017 were given every right out of steam coal-fired boilers tons 15,000 yuan, 12,000 yuan and 10,000 yuan subsidy funds.

To eliminate 10 tons of steam / hour of coal-fired boilers, in October 2014, Zhuji City, party and government "leaders" personally took, within three months, through the introduction of reward and subsidy standards, regular assessment and other measures, the city's 1964 stage production behind coal-fired boiler demolition 1508 units, 390 units to natural gas or electricity, and the rest use biomass fuel, gas tank or centralized heating, completed the task of transformation. It is estimated that, this year more than 500 tons of sulfur dioxide emissions.

After a clear goal, the province's coal-fired boiler (kiln) transformation to accelerate out of the furnace. According to statistics, in the first half of this year, Zhejiang Province eliminate small coal-fired boilers 6200 Taiwan, has completed 77.5% of the annual task of eliminating.

The causes of sfh47205818 2018 best selling 20 tubes solar boiler scale boiler water as a medium for heat exchange apparatus A specialty. During operation the surface of furnace and boiler water contact form thick layer of scale, over the years, people have dirt kinds of boiler scale due to the scale have been fully studied, introduced a variety of anti-scaling technology, but still not been completely resolved, while the development of antifouling cleaning technology, as an adjunct to maintain heating surface and the heat transfer surface. So, boiler scale is how did this happen? There are three main reasons: First, the boiler feed water impurities into the boiler, through continuous evaporation and condensation, boiler feed water, concentration of salts continuously increases, the degree of saturation or supersaturation, will be in the boiler metallic surface the precipitated precipitate. Second, with the increase of the boiler water temperature, the solubility of certain salts and inversely proportional to temperature, these salts at elevated temperatures, the solubility is drastically lowered opening formed scale. Third, the interaction of different salts or thermal decomposition to produce a compound difficult to dissolve. Boiler feed water in a continuous process of continuous evaporation, the pure water into steam by the boiler feeding the salt water continuous furnace substance was concentrated, the content of rising. When the boiler feedwater salinity level of saturation or over-saturation, salt materials will precipitate from the water, form a solid precipitate. Adhering a larger portion of their thermal load heating surface to form a hard or soft scale, another portion of the furnace was suspended in water with the boiler water circulating flows. When the heat receiving face of the poor circulation, the flow rate is low, then the deposition of scale on the heating surface to form a secondary, or deposited on the drum should not have high flow rates, a lower collection tank, dirt is formed, with the periodic sewage discharge from the furnace. Thus, generation of scale, in addition to the ingredients and contents of impurities in the boiler water related, but also to a large extent depends on the operating state of the boiler. The larger the water evaporation intensity, the higher circulation rate, the easier it is to generate water circulation easily broken loose precipitate, evaporation of the boiler assembly can reduce the number of scale on a surface. In contrast, evaporation intensity, the lower the cycle rate, the more easy to form scale on the surface of the evaporation boiler.

Water tube sfh47205818 2018 best selling 20 tubes solar boiler manufacturer in Honduras

Water tube boiler in Honduras with 120 ton

Hot water sfh47205818 2018 best selling 20 tubes solar boilers and steam boilers What is the difference between hot water boiler for hot water production for boiler heating. Hot water boilers and steam boilers are water as the working fluid, the biggest difference between the two is that the latter produce steam, hot water production of the former. Low temperature hot water boiler has a hot water boiler and sub-temperature hot water boilers it. States have different thermal boundary for hot water and cold water, of 120. C is the boundary temperature, i.e., the water temperature is higher than 120. C for high-temperature hot water boilers, otherwise low temperature hot water boilers. Chinese parameters hot water boiler series is: 0.1 a rated thermal power 116MW, allowable working pressure of 0.4; 2.8MPa, nominal water temperature of 95; 180. C. Low pressure hot water boiler for his work without the supervision and control of water level, so its structure is simple, easy operation and maintenance, ease of manufacture. But there are some special problems of work: hot water boiler must ensure that no vaporized, to avoid water hammer; inner and outer oxygen corrosion of Low Temperature Acid more serious corrosion; sudden power outage, the pot water is not flowing and the like to produce vaporized . These issues must be considered in the structural design of the hot water boiler, manufacture and operation maintenance. Steam boiler and hot water boiler no structures from the pot and stove much difference, but there are still some differences, as if the model (parameter certainly not the same), that there are differences: differences Steam Boilers built, steam boilers there are steam trap, but no hot water; main steam boiler steam output pipe, and hot water boiler is the hot water outlet conduit; steam boiler with a water pipe, and only the return pipe into the tank from the set, from the root of the makeup water is up into the conduit; no hot water boiler water level gauge, the steam boiler has. Further, the high voltage required steam boiler, high pressure steam to provide up to 400 degrees, about 4 atm, the high requirements for the furnace, a high manufacturing process requirements. Hot water boiler to provide hot water 70 degrees Celsius, there is atmospheric and pressurized points, but the pressure is smaller than the steam boiler. From the above use is concerned, up to a few hundred MPa pressure steam boiler on 0.1MPa, the steam is sent out. Used for industrial, mainly used in high-pressure thermal power plant. Complete sets of strong, high-tech, multi-unit self-control, big investment. More stringent State steam boiler management, strong inspection, inspection categories and more. Pressure 0.1MPa or less in hot water boilers, hot water is sent out. Used for life, invest in small, low management costs, security.

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