What is the impact of changes in steam pressure steam temperature? why? ? (1) When the vapor pressure is increased, the superheated steam temperature is increased; vapor pressure is lowered. Superheated steam temperature decreased. This is because when the vapor pressure increases with an increasing saturation temperature, from water into steam need to consume more calories in a case where the combustion amount becomes unchanged, since the pressure rises, to reduce the moment of evaporation boiler , by resulting in reduced amount of steam superheater, heat absorption is increased relative to the steam, resulting in superheated steam temperature rise, and vice versa. Dynamic process (2) just above phenomenon instantaneous change given operating pressure when the vapor pressure changes with stable steam temperature and steam pressure opposite to the above phenomenon.
Further promote air pollution control work, the Office of the ecological environment of Shanxi publicly stated: Shanxi Province will strictly control the total coal consumption; reduce the proportion of coal in primary energy consumption; Where ban on coal sales area of coal and coal products, both will be subject to heavy penalties.
Shanxi Province has also developed regulations, Municipal People's Government in accordance with the requirements to improve the quality of atmospheric environment, urban built-up area designated as the ban on coal zone, and gradually extended; counties (cities, districts) People's Government may delineate the scope of ban on coal zone according to the actual situation but life should be a primary consideration the needs of local residents. In addition to coal coal ban areas, central heating and raw material coal companies, prohibit the storage, distribution and burning of coal and its products.
At the same time, governments at all levels in Shanxi province will also strengthen civil bulk coal management, prohibit the sale, does not meet the civil standard of quality coal for coal; prohibition of lignite, coal washing, slime and other low-quality, low-grade coal as a civilian coal use. Various localities will accelerate the cogeneration and district heating coal heating in the region. In the central heating pipe network coverage area, prohibit new construction, renovation, expansion of distributed coal-fired heating boilers; central heating pipe network coverage prior to the completion of use of scattered coal-fired heating boilers have been built and can not meet emissions standards coal-fired heating boilers, demolition will be completed within the deadline.
For violation of the provisions, sales do not meet the quality standards of civilian coal for coal, or the ban on coal sales coal region and its products, the people's government above the county level by the market supervision and management department confiscated of raw materials, products and illegal income, impose a fine of three times the value of the amount more than doubled.
FBC boilers are used for a wide variety of mostly industrial applications, with several boilers working together on sophisticated steam networks that have rapidly changing demand.The boilers acting in parallel can also be uncontrolled,where the boiler steam production is completely dependent upon the rate of waste fuel supply,which may not be measurable.
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