water tube boiler in asia

Gas hot water water tube boiler in asia blowdown sewage treatment technique which is a process of boiler operation, a link must be aimed boiler blowdown is to drain the water with a higher salt concentration pot, and the pot of water, corrosion and sediment the salt content in boiler water is maintained within a prescribed range, so as to reduce the expansion of the boiler water and the foam layer occurs, thereby reducing the salt content and humidity of steam to ensure good quality of steam. At the same time, the sewage may eliminate or mitigate fouling in the evaporator by the surface of the pipe. Classification of gas hot water boiler blowdown: gas hot water boiler blowdown discharge points on a regular basis and continuous blowdown two kinds. Continuous blowdown: also called surface discharge is continuously draw off a portion of the boiler water, the purpose is to let go of the salt was dissolved in water and the pan pot water surface float. Regular Drainage: emission time per predetermined time, the main purpose is to let go of the precipitated water boiler slag, of course, with a pan of water soluble salt. Its emissions group should be more precipitation the lowest part of the boiler slag. Gas hot water boiler blowdown techniques: good when compared to the sewage at low load low load boiler water level slightly higher vapor pressure boiler water circulating slowly, resulting in easy accumulation of dirt in the drum, the bottom of the collection tank, and the high vapor pressure high blowdown water flow rates, to facilitate the discharge of dirt. Further, when the boiler blowdown must be provided for hand operation, the water level to be closely monitored to prevent the water preferably should be operated to maintain the sewage level again at around 60%. Drain valve open should be short intermittently every sewage quick-closing speed of the opening, causing the slag scale disturbances, thus repeated several times, the precipitate was suction rely possible to quickly meet at outfall, then concentrated discharge. To control the right time, not too long, usually once a sewage must be in the 30s of the time. If the discharge time is too long, the water content of soil furnace will be gradually reduced, so the effect of variation not only sewage, emissions have increased, not only a waste of energy, but also affect the boiler water circulation, and even burst pipe failure may occur. Observation of the given row after the flash tank vapor emission mouth, must touch the outfall temperature, and view given row Expander air outlet, in order to determine whether or not to confirm the drain valve is fully closed. Ruoyin debris stuck in the spool of the leak can be re-opened after a rapid close, if the issues shutting the valve wear and difficult, should strengthen surveillance, arrange repair or replacement as soon as possible, at the same time, should be prepared to shift on the record corresponding record, for subsequent inspection. In summary, the work of boiler blowdown, we must try to do a good job, both to ensure the smooth operation of the boiler, also can guarantee the life of the boiler.

Currently the world's main method to reduce NOX emissions from the power plant water tube boiler in asia can be broadly divided into the following well-established four categories:

Why the late start water tube boiler in asia still control the speed boost? A: At this time, although the temperature difference between the upper and lower walls drum is gradually reduced, but the thicker metal drum wall, the inner and outer wall temperature difference still large, and even may increase. Further withstand stress starts close to the operating pressure within the drum late, so the control pressure increasing rate still later, to prevent the increase of stress in the drum wall.

As the only fast water tube boiler in asia boiler manufacturers, we were invited to participate in this event. The conference has invited one of the advocates of Tsinghua Academy of low-carbon development executive vice president Li Zheng, Chinese Academy of Engineering, Tsinghua University, China Environmental Engineering disciplines - Jiang Yi, vice chairman of the European Society of HVAC ManuelGameiro, Many sophisticated scholars in the Beijing Institute of architectural design Co., Ltd. VENTILATING Chief Engineer, China Academy of building Science and Technology Xu Wei, chief engineer specializing in HVAC and other fields. Report of the meeting theme is clear, rich content, covering industry hot issue, aroused heated discussions delegates.

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