design of power plantposed of a boiler
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Minimum air amount and the relationship between the excess air coefficient in the dew point of the flue gas for complete combustion of the fuel required under ideal conditions, said theoretical combustion air amount, the fuel for complete combustion in the actual conditions of incomplete combustion, or the actual amount of air required amount of combustion air . Excess air coefficient = actual combustion air amount / theoretical combustion air amount. Dew point (Dewpoint), also known as the dew point temperature (Dewpointtemperature), in meteorology fixing means under pressure, gaseous water contained in the air is condensed into liquid water saturation dropped to desired temperature. At this temperature, condensed water mist floating in the air is called, while the stick is called on a solid surface exposed, hence the name dew point. Excess air and flue gas dew point relationship when there is insufficient combustion air ratio of the fuel is not sufficiently low combustion efficiency, design of power plantposed of a boiler efficiency is also reduced. When the excess air, the flue gas water vapor partial pressure decreases, the dew point temperature is low, it can not lead to condensation, latent heat can not be released, and the excess air factor will take a lot of heat, so that the boiler efficiency decreases. Therefore, when an excess air ratio of 1.2 to 1.3, to achieve complete combustion in the excess air coefficient is very small, almost chemically incomplete combustion phenomenon. When the air excess factor is 1.2-1.3, both to ensure that the dew point will not be too low (the condensation effect is very significant), but will not take away the excess air ratio in the flue gas waste heat large, which can greatly enhance the thermal efficiency of the boiler .
The purpose salt water design of power plantposed of a boiler and boiler coal consumption purpose salt water boiler and boiler coal consumption of boiler water, why should its salt? 10 tons of boiler, if its calorific value is 5000 kcal, then the daily coal consumption is how much? in addition, some difficult questions about the boiler, which also need to be answered and solved? ask these questions, mainly to elicit content of the article, at the same time, we will also know what to say, so as to have conduct targeted learning more, improve their learning efficiency. 1. Why is salt water boiler? Boiler water and salt, which is mainly for two purposes, one is to increase the water temperature and the boiling point, and sterilization for this purpose can be achieved. If a heating boiler, it can also be beneficial to provide heating. Second, it is used to soften hard water variety, so there may be good quality, to prevent the generation of scale in the boiler, in turn, affect the normal operation of the boiler. 2.10 tons of boiler, its calorific value is 5000 kcal, then, is how much of its coal consumption is? 10 tons of boiler, its calorific value is 5000 kcal, then its coal consumption per hour is about 1.85 tons, that is 185 kg. While its coal consumption, this value is multiplied by the boiler sucked day's work time, so you can get the specific values. But note that, because there are some objective factors, so this is just an estimate, which may be some difference between the actual value. 3. The life of the boiler, or whether there are uniform standards? Life of the boiler, which is there are a lot of factors, such as environment, requirements, and other factors. So, it is no unified regulations or standards. In general, the small boiler is 6-10 years, large-scale boilers can not say, but also because the use of boiler operating conditions. 4. If there is a boiler operation layer, then, its main applications, what is? If there is a boiler operation layer, then, it is usually a large power plant boilers. Moreover, this kind of boiler is suspended main boiler room is a large frame, through the frame to carry the weight of the boiler above measure. So, on this issue, it is clear that the answer is for the power plant.
Gas design of power plantposed of a boiler price, which is an important aspect of boiler, especially in the purchase of boiler products, is a specific aspect that must be taken into account. So, since this is an important aspect of the boiler, and it is mentioned at the beginning of the article, then let's take a good look at it, so that we can also learn about this website product from different aspects, and at the same time, Also can broaden their knowledge, add some professional knowledge.
01. What is the price of a domestic coal-fired boiler? Domestic coal-fired boiler, its boiler price, mainly depends on heating area, because, is determined by it. If the heating area is 200 square meters, then the boiler price is several thousand yuan. Moreover, the boiler is automatic temperature control, the thermal efficiency can reach 91%.
02. 15 tons of steam boilers, what does the boiler price relate to? 15 ton steam boiler, its boiler price related factors, such as fuel type, steam pressure, boiler structure and accessories and so on. Therefore, these must be considered comprehensively, so that we can make accurate judgments and get the correct results, and then choose our own products to avoid mistakes.
03. Is the price of gas-fired boiler related to natural gas? In addition, different boiler manufacturers, why is the price of products different?