gas fired fire tube hot water boiler in asia

gas fired fire tube hot water boiler in asia

Why boiler furnace exhaust gas temperature increases heat losses the heat loss is largest in a boiler, furnace 6% is generally fed to the heat, the exhaust gas temperature increasing every 12 ~ 15 ℃, heat losses to an increase of 0.5%. Therefore, the exhaust gas temperature is one of the most important indicators boiler operation. Here are a few reasons may cause the furnace exhaust gas temperature rise: (1) heating surface slagging, fouling. Whether waterwall slagging furnace fouling, or superheater, convection bank, and economizer preheater fouling are due to increased resistance measured smoke, heat deterioration of the cooling effect deteriorates the flue gas, resulting in increased exhaust gas temperature. (2) the excess air ratio is too large. Under normal circumstances, the furnace outlet increases as the excess air ratio of the exhaust gas temperature rises. After the excess air ratio increases, while the amount of smoke increases, the speed increase of smoke, heat strengthening of exiled, but less than the degree of increase in heat transfer gas volume increases more. It will be appreciated as the tobacco rate increased, the time to heat to the flue gas working fluid left the heating surface. (3) leakage factor is too large. Tail shaft furnace and boiler flue negative pressure leakage is inevitable, and provides a heating surface allowed leakage coefficient. When the coefficient of air leakage increases, the influence of the exhaust gas temperature and overfire air coefficient increases similarly. And the closer the leakage furnace, exhaust gas temperature raising effect on the greater. (4) water temperature. When the turbine load is low or high pressure splitting when the heater temperature of the boiler feedwater will decrease. Generally, when the water temperature rises, if the amount of fuel is maintained constant, the temperature difference decreases economizer, economizer heat absorption decreases the exhaust gas temperature rises. (5) the fuel moisture. The fuel in the flue gas to increase the amount of water increases, and therefore the exhaust gas temperature rises. (6) boiler load. Although the boiler load increases, the amount of smoke, the amount of steam to the water, the air amount increases in proportion, but since the furnace exit gas temperature is increased, so that the exhaust gas temperature rises. After the load is increased to increase the furnace outlet temperature, followed by convection heating surface temperature difference increases, an increase in heat absorption, the more so the convection heating surface, the smaller the impact load change of a boiler exhaust gas temperature. (7) The fuel species. When burning low calorific value gas, since the furnace temperature is lowered to reduce the radiation heat transfer in the furnace, the low calorific value gas in a non-combustible components, mainly N2, CO2, H2O more, the amount of flue gas increases, the exhaust gas temperature rise high. Pulverized after burning oil, although oil-fired furnace outlet when the excess air ratio than the coal is low, but the little ash fuel oil, and no larger soot particles, larger ash particles in the flue gas absent the cleaning action of surface heating, convection heating surface more polluting. So bad combustion, often black smoke boiler flue gas temperature. When the tail has means ash ball, since the tail cleaner, the exhaust gas temperature is slightly lower than the burning coal. (8) milling system operation. Bunker has a reservoir of closed milling system is concerned, when the pulverizing system is running, because a portion of the water in the fuel into the furnace, the furnace temperature is reduced and the amount of smoke increases, the leakage into the pulverizing system is running as the primary cold air air into the furnace, to reduce the amount of air flowing through the air preheater to the exhaust gas temperature rises. Conversely, when the exhaust gas temperature is reduced pulverizing system outage.

Currently, the group is still in the process of transformation and upgrading, will gradually realize electronic process control, research in the complex environment of welding technology. Members of the delegation of our company in the integration of the use of digital depth workshop, scientific electronic dispatch enterprise-level human-machine ring material widely used method as well as cloud, big data and the Internet of Things has left a very deep impression. Future, fast side will continue to increase investment in scientific and technological research, efforts to enhance business intelligence production equipment, in order to deepen station machines, welding robots, represented workshop infrastructure. As "Anyang manufacturing", "Henan to create" to contribute their strength.

Industrial boilers can do much tonnage? Industrial boiler range is very wide use, chemical, food, power plants, textile, paper making, metallurgy and other industries need to use the boiler. People often say that industrial boiler equipment including industrial steam boilers, fired fire tube hot water boiler in asias, and other industries. Pioneer fast boiler is a boiler, gas boiler electric field, it can be made into industrial boilers from 0.5 to 130 tons according to the needs of different tonnages. Fang quick existing boiler over 200 kinds of models, should your business have a need for industrial boilers, then please feel free to call.

Select four reasons boiler manufacturers to provide a great convenience to every aspect of people's daily lives, and save a lot of resources, with a high economic nature. At the same time the potential for sustainable development in the market is very large, there is a tendency of increasing demand. Select good quality has started to become the ultimate goal of buyers, then what good quality standards is it? The reason so many consumers choose what is it? The answers to these questions are summarized below. 1, with the gradual development of low-cost natural gas project in the country, making natural gas prices continue to decrease, so that the knock-on effect of fuel costs began to decrease. In addition, because of the high cost of high efficiency can be improved boiler combustion efficiency and save a lot of fuel. Boiler and extremely durable, maintenance costs are not high. So the cost of purchased fuel decreases, the fuel saving is also obtained, also decreases the cost of the final lot; 2, due to the use of high flue gas flow is disposed three return efficiency, wet-back configuration such that the whole heated butt welding large area. While the tail is arranged flue gas condensation recovery, the maximum degree of control may be the temperature of the exhaust, the heat efficiency of the boiler is very high. Using automatic and continuous burner electric control, so that a particularly high combustion efficiency; 3, safe and stable comprising a plurality of professionally designed overpressure protection over-temperature, and water leak detection, and other functions flameout. By these functions play very safe and reliable operation of such a boiler; 4, uses a space-saving quick structure, and the base of the whole boiler with strong steel. This design facilitates easy installation and transportation processes, as well as greatly reducing the space footprint, and save a lot of space. The above is about four advantages, but also the existence of these advantages it has become a choice of four reasons, including low cost, high efficiency, safe and stable and space saving these four aspects. Factory in the purchase of these four reasons may wish to determine the basis for the selection of suitable, high-quality products.

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