diagram boiler power plants
Steam diagram boiler power plants heat unevenly What are the chances of the performance of steam boilers used in modern industry is one of the largest boiler equipment, the most widely used and most commonly used. Principles of steam boiler is to heat the water heated to a high temperature steam, supplied to provide efficient power production. Here we will introduce some basic information about the steam boiler. Steam boiler evaporator heating surface is made of parallel tubes. Wherein the individual tubes circle working fluid enthalpy increases with increase of the overall average deviation called thermal enthalpy. Steam boiler thermal deviation is mainly due to the heat absorption of the boiler and uneven flow caused by uneven. The following is to introduce the causes uneven: 1, endothermic steam boiler uneven. Closely related to the arrangement, embodiment and put into operation the kind of the endothermic fuel burner and the cause of uneven, non-uniform furnace temperature distribution of the thermal load will not cause the strength of the furnace water wall of each. In general, when the same kind of fuel, the thermal load than a slagging furnace slagging solid uneven distribution is much greater. Unevenness fuel burner heat load is larger than the coal-fired furnace, a vertical tube panel thermal excursions around the horizontal tube panel heat than large deviation. DC uneven endothermic steam boiler with natural circulation steam boiler heat absorbing unevenness different characteristics. Natural circulation steam boiler having a heat compensation characteristics, can play a major role in reducing thermal excursions, DC evaporated steam boiler heating surfaces, for absorbing more heat pipes, since the amount of steam generated in the multi-tube, larger capacity, that the resistance increases, so that the flow rate of the steam pipe may be reduced. Conversely, a weak flow of heat pipe has actually increased. Therefore, the evaporator heating surface DC endothermic steam boiler not only cause a uniform thermal excursions, but also expanded by heat influence on the deviation of the flow rate uniform. 2, non-uniform flow of steam boilers. Different evaporator heating surface pressure variation parallel flow resistance of each tube and along the length of the distribution header, and re-position the head can be different between the respective tubes to cause uneven flow. ① variation on the thermal flow resistance. Since the structure of the steam pipe, the quality, of different length, diameter, roughness and curvature, which are not the same resistance to flow, under the same pressure conditions, the size of the resistance will cause uneven flow. ② affect the re-heat the ram position deviation. In the vertical tube panel rises, since the height of the tube panel is relatively large, when the respective tubes parallel uneven heating, the density is much poor, and thus to re-consider the impact of ram position. When high thermal load of individual tubes, the tube flow rate decreases. However, due to the mass density of the working tube is reduced, the head is lowered bit weight, will lead to increased traffic. Thus, re-location helps to reduce the thermal head deviation.
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2.Enhanced fuel adaptability.Even general coal in the diagram boiler power plants combustion can be adequate, stable and efficient .
3.Enhanced load regulation.Can be adjusted within the range of load requirements freely.
4.Reduces the environmental pollution Greatly.Sulfides and oxides of nitrogen emissions produced by coal combustion meet standards.
5.Time to maintain a constant temperature Shorter,the cooling is slower, the time lag fire to about 6 hours,make the boiler operate normal.
6.High efficiency circulating fluidized bed boiler technology, small amount of maintenance, improve labor productivity, reduce production cost.
For customers ZG offers chain grate hot water diagram boiler power plants, designed for production of pressure hot water. According to customer needs such chain grate hot water boiler may be employed as heat or steam sources for various industrial processes and district heating. Operation of equipment is fully automated and it does not require additional personnel. ZG manufactured chain grate hot water boilers have a high efficiency rate which ranges from 85% to 90%. The equipment may be used for both dry and up to 15% moist fuel.