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      1. News

        to provide excellent products and high quality services to customers

        to provide excellent products and high quality services to customers

        Selection of desulfurization pump in ammonia desulfurization project

        Date:2019-03-13 Author: Click:

        With the continuous development of economy, the amount of sulfur dioxide emitted by fossil fuels is increasing, which has caused serious environmental problems and huge economic losses.The control of sulfur dioxide emission has become the primary content of current environmental problems, and flue gas desulfurization technology has been vigorously developed.

        In flue gas desulfurization process, ammonia desulfurization is an efficient and low energy consumption wet desulfurization method.The raw materials of the whole desulfurization system are ammonia and water, and the desulfurization product is solid ammonium sulfide.The sulfur resource is recovered without secondary pollution.In the system, the selection of desulfurization pump is directly related to the operation of the whole desulfurization system.


        In ammonia desulfurization, the main circulating medium of desulfurization pump is ammonium sulfate, ammonium sulfite, dust particles, a large number of chloride ions, etc., which are highly corrosive, mainly including chemical corrosion, electrochemical corrosion and crystallization corrosion.The effect of dust remover is related to a certain amount of wear.For metal materials, generally choose ultra-low carbon stainless steel resistant to chemical corrosion, such as 316L, duplex steel 2507, but there will be pitting corrosion, weld corrosion.YMTL series desulfurization pump is provided by yamei pump group. The inner liner is uhmwpe, which is resistant to corrosion, abrasion and crystallization.Mechanical seal USES sintered silicon carbide without pressure, long service life.At present, the maximum flow of this type of desulfurization pump reaches 1200 cubic meters per hour, which has been applied in many ammonia desulfurization projects, and the application effect is good.