The desulfurization pumps of Hebei Indik Pump Group are divided into horizontal (DT) and vertical (DTL) structures. It is of axial suction, single stage, single suction and cantilever centrifugal structure. The advantages of similar products at home and abroad are comprehensively applied and innovated in hydraulic design, structural design and casting materials. It has the characteristics of high efficiency, energy saving, corrosion and wear resistance, low vibration, low noise, reliable operation, long service life and convenient maintenance. The comprehensive performance of the pump is at the domestic level. It can be widely used for conveying limestone or gypsum slurry in desulfurization and denitration systems of thermal power plants, aluminum plants, oil refineries and other industries. The allowable chloride ion content in the slurry reaches 60000ppm, and the PH value of the slurry is allowed to be between 2.5 and 13.