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Shandong Zhangqiu Blower Co., Ltd.
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Zhangqiu - Model ZGTX Series -Corrosion Resistant Wear-Resistant Desulfurization Pump

FromShandong Zhangqiu Blower Co., Ltd.

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ZGTX series corrosion-resistant and wear-resistant desulfurization pump is based on the actual characteristics of China`s wet flue gas desulfurization conditions. Based on the absorption and analysis of the advantages and disadvantages of similar products at home and abroad, it is jointly developed with Tsinghua University to develop a new generation of high-efficiency, energy-saving and wear-resistant series. Desulfurization pump. This series of pumps is used in a wide range of applications, including power, steel, coal, alumina, smelting, paper, building materials and other industries to transport solid particles containing flue gas desulfurization. It can be used as FGD device absorption tower slurry circulation pump, limestone slurry pump, gypsum slurry conveying pump, wastewater pump, accident slurry pump, etc.

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Example: ZGTX 300-500
ZGTX: absorption tower desulfurization slurry circulation pump series code
300: pump outlet diameter (mm)
500: impeller diameter (mm)

1, ZGTX series absorption tower desulfurization slurry circulation pump
Flow rate: 90～8000m3/h
Head: 10～50m
Temperature: -20～120°C
Pressure range: PN1.6MPa
Slurry PH value: 2.5～13
Chloride ion concentration: ≤60000ppm

ZGTX absorption tower desulfurization slurry circulating pump The fluid profiles of the impeller, volute and guard plate are all based on the solid-liquid two-phase flow model developed by Tsinghua University according to China`s FGD characteristics, which makes the pump more efficient and more suitable for the absorption tower slurry circulation of the FGD unit. And slurry pump requirements. The field practice proves that it is resistant to cavitation and no local wear, and its high efficiency and wear resistance are higher than the desulfurization pump at the current FGD site!
The overcurrent component of the ZGTX absorption tower desulfurization slurry circulation pump can be made of low carbon and high chromium double phase A49 stainless alloy white cast iron. This metal material has excellent wear resistance and long service life. The metal shield is subjected to shearing. The sliding wear resistance is stronger than that of general non-metallic materials and can withstand long-term shear wear. It has high operational reliability and overcomes the shortcomings of non-metallic pump lining which are prone to falling off, tearing and deformation. At the same time, according to different working conditions, Cr30, CD-4MCu, 2605, 2205, 304, 316, 316L and other materials are available. The overcurrent component adopts an all-metal structure, and the hydraulic friction loss is small, which is higher than the non-metal pump of the same parameter. The geometrical dimensions are easy to control, the surface finish of the parts is high, the component fit clearance is small, the volumetric efficiency is high, and the overall efficiency is higher than that of the non-metal pump.
the structure of the impeller, wear plate instead of the mouth ring seal form, to avoid the rapid wear of the mouth ring by the slurry, resulting in a rapid decline in pump efficiency. The shaft diameter of the pump shaft is large and the cantilever is short, which reduces the deflection of the shaft during operation, thereby prolonging the service life of the seal. The pump is arranged in a rear pull-type structure with an extended diaphragm coupling for easy maintenance. When the impeller, mechanical seal and shaft assembly are disassembled, the complete rotor part can be pulled out from the motor end without disassembling the pump inlet and outlet lines. No need to disassemble the motor. The shaft seal uses a cartridge mechanical seal and a back blade structure. The back blade prevents solid particles from entering the mechanical seal and extends the life of the mechanical seal. The cartridge type mechanical seal is easy to disassemble and replace. The static and dynamic ring is silicon carbide. The silicon carbide is more suitable for the sealing of the slurry medium. The static sealing is made of polytetrafluoroethylene. Other metal parts are not in contact with the medium, which avoids the corrosion of the mechanical seal.