The invention belongs to the technical field of desulfurization towers, and discloses a two-stage partition desulfurization
tower and a desulfurization method.The two-stage partition desulfurization
tower comprises a
tower body, a
smoke inlet
pipe, a spraying desulfurization mechanism, a
smoke exhaust pipe, a gas-liquid redistributor, a second-stage demisting mechanism, a first-stage demisting device and a flushing mechanism; the
smoke inlet
pipe is communicated with one side of the tower body, the spraying desulfurization mechanism is mounted on the tower body, the gas-liquid redistributor is mounted in the tower body, the smoke
exhaust pipe is communicated with the top of the second-stage demisting mechanism, the flushing mechanism is arranged in the tower body and is positioned above the first-stage demisting mechanism, and the second-stage demisting mechanism is positioned above the second-stage demisting mechanism. The secondary demisting mechanism is mounted in the tower body and is positioned above the flushing mechanism. By means of the design, the secondary auxiliary demisting effect can be achieved in the process that the first-stage
demister is washed by the washing mechanism, the problem that in the washing process of the first-stage
demister, the demisting performance of the first-stage
demister is reduced, and consequently the
liquid content of
flue gas in the section is high is solved, meanwhile, further
corrosion of materials in the desulfurization tower is avoided, and the desulfurization efficiency is improved.
Corrosion of subsequent
waste gas treatment equipment is avoided.