Pump industry suppliers to tell you: desulphurization pump common problems and solutions

desulfurization pump common problems and solutions

1, the reason of low efficiency of desulfurization pump:

( 1) Design factors

design is the foundation, including L/G, velocity of flue gas and slurry retention time, oxidation air quantity, and the spray layer design. It should be said that the current domestic desulfurization design has been very mature, and is programmed, desulphurization companies design very much the same.

( 2) Flue gas factor

second consider flue gas side, including the smoke gas, the inlet SO2 concentration, entrance dust content, flue gas oxygen content, and the other components in the flue gas. If exceed the design value.

( 3) Desulfurization sorbent

the purity of limestone, activity, etc. , the other composition in limestone, including SiO2, magnesium, aluminum, iron, etc. Especially the inert material such as dolomite.

( 4) Operation control factor

in the operation of the absorber slurry, the control of key factors. Including absorption tower, absorber slurry concentration, PH value control, degree of supersaturation of the absorber slurry circulating slurry amount, Ca/S, oxidation air emissions, waste water, impurities, etc.

2, desulphurization pump improvement measures and key points for operation control

according to specific engineering to select proper design and operation parameters is each supplier at the beginning of the engineering system design of FGD system must face the important issue. Especially the design problem of coal. High cost, low risk.

in particular, the current domestic coal quality is differ, the obvious contradiction between supply and demand, caused many serious power plants burning coal than design value, long-term stable operation of the desulphurization system, and cause serious harm to the desulfurization system.

( 1) According to the specific situation, adjust good of FGD operation control parameters of each system. Especially the PH and concentration of slurry, CL/Mg ion, etc.

( 2) Good control of boiler combustion and the operation of the electric dust catcher, make the entering of FGD system of flue gas parameters in the design range. Must start from the source of desulfurization, can solve the problem.

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