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Analysis on Pressure Leakage Stopping Technology of Regulating Valve in Thermal Power Plant
Release time:
2023-11-11 15:59
The regulating valve of power plant is mainly used to control the operation of various equipment and fluid medium on the pipeline. The leakage of the regulating valve often occurs on the packing, flange seal and valve body. The long-term leakage of the regulating valve can cause the erosion of the valve stem and flange sealing surface, and finally the regulating valve can be scrapped. The loss of medium and fluid will increase the consumption of the power plant, increase the cost and decrease the economic benefit. If the medium fluid is toxic, flammable, explosive, corrosive and other external leakage, it is prone to poisoning, fire, explosion and other casualties and accelerate the corrosion rate of plant equipment, shorten its service life, serious pollution of the surrounding environment, damage to power production, damage to people's health. The existence of leakage is a serious threat to safe production and increases the number of unplanned shutdowns in power plants. The following describes some of the control valve leakage causes and plugging methods as well as the control valve repair and maintenance methods, for reference.
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