Gas boiler target pressure fluctuation of issues related to the target pressure is the vapor pressure of the gas boiler size needed to get the actual site. To pay attention to the following points: 1, the steam pressure is directly related to the quality of steam, steam pressure 1.0Mpa as a watershed, 1.0Mpa or less, the lower the vapor pressure, the worse the steam quality; 10Mpa above, the higher the vapor pressure, the worse the quality of steam . Meanwhile, the boiler load can directly affect the quality of steam: 2, at a vapor pressure of boiler water salinity and certain conditions, the boiler load increases, the amount of water vapor with a small amount tends to increase. If you overload the boiler is running, it will be a serious deterioration in the quality of steam. 3, the steam containing impurities damage caused by excessive heat, reduce the heat transfer capability, it will wall temperature exceeds the critical limit temperature to allow the metal, leading to over-temperature burn smoke tube. Steam ranging from the endothermic reduction, overheating temperature decreases, the exhaust gas temperature increases, reducing boiler efficiency. First, a common cause pressure fluctuations: 1 different manufacturing lines; 2 boilers used in combination can cause pressure adjustment... II Solution: modified if necessary according to the actual pressure, it should be carried out within a small range stepwise correction, e.g. 0.02 adjusted up or down. Third, the professional advice: It is recommended to run at a higher pressure, increasing the pressure relief valve at the end. High-voltage transmission principle, the use of low pressure. 1, the advantages of the high pressure steam conduit delivering steam A. The small-diameter, heat loss;. B steam pipe lower costs, support costs less, low labor cost;. C lower cost insulation pipe;. D reduced pressure by using point may be obtained drier steam;. E high pressure boiler is easier to achieve optimum operation, higher operating efficiency;. F increase the heat storage capacity of the boiler, is easy to handle changes in load, and to reduce the priming with water possibility. 2, the low pressure steam pressure reduction A. advantages may be provided in a greater proportion of the steam latent heat;. B reducing the pressure of condensed water can be reduced calories, reduced secondary steam;. C under reduced pressure vapor after having a higher dry degree.
How gas plc control horizontal steam boiler to reduce heat loss? Gas steam boiler in everyday use, most of the heat loss is a waste of energy, so each use of the boiler business to understand the way of major heat loss, which has several, and the cause of the loss of heat to take appropriate measures to deal with thus greatly improving the efficiency of gas steam boiler, and do save resources and avoid unnecessary waste. Following on from the trust gas steam boiler manufacturer to find out how to reduce heat loss. 1, control the temperature of the furnace exhaust gas temperature and decrease of superior quality gas steam boiler in operation, the boiler furnace wall, steel, pipes and other accessories, the surface temperature will increase correspondingly, but also temperature than the surrounding environment higher, then furnace cooling surface will begin outwardly. Therefore, the external surface area of the boiler furnace theoretically greater heat loss will be greater, then the order to reduce heat loss, is necessary to control the temperature of the gas steam boiler furnace surface, and to keep sootblowing and decoking, holding each heat and the surface cleaned air preheater heating surface, in order to reduce exhaust gas temperature. 2, and reasonable control of the air ratio in the process gas enhanced combustion steam boiler combustion operation, certain components of the gas boiler flue gas heat to be absorbed on the one hand, but on the other hand by water or air cooling. And heat water or air can not back away gas steam boiler system applications, and thus will cause the cooling heat loss of the gas boiler. To reduce this heat loss, it is necessary and reasonable control air ratio, and adjust one or two wind speed to enhance combustion and reduce heat loss. In use gas steam boiler, the boiler furnace can not be used because of the absolute closed environment, but also need to be cooled by water or air, heat loss is unavoidable, however, in the proper range inside, take the right measures can effectively reduce heat loss from the gas steam boiler so that the boiler heat get maximum use, and for enterprises to save some energy and costs.
In October 2016, my company and the China Dunhuang International Hotel signed a ZWNSL2.1-1.0 / W-Y.Q vacuum condensing gas hot water boiler to provide heating and hot water for the hotel. The boiler implementing the response to the national policy of environmental protection requirements and local environmental protection departments on a series of low nitrogen emission standard boiler requirements, in terms of design, manufacture, installation and other sectors have strict checks to ensure that the boiler safe and stable operation.
Single drum boiler has only one drum and the downcomers are welded to it. Single drum boilers are suitable and can adapt to both reheat and non-reheat type of boilers. They can be designed as Corner tube boiler.
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