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Environmental protection equipment Gypsum wet desulfurization system
Flowchart
Limestone (lime)-gypsum wet desulfurization is suitable for flue gas desulfurization of large and medium-sized industrial furnaces and kilns with high and medium sulfur coal units, and has been successfully used in domestic and international cement, metallurgy, power and other industrial projects.
Features

●Adopt uniform-fluid device based on CFD analysis, increasing the desulfurization efficiency.

●Equipped with inlet guiding device, tray device, energy saving ring and other structure in strict accordance

with CFD analysis, ensuring uniform distribution of flue gas in the tower and increasing the mass transfer
efficiency.
●Reasonable layout of spraying layer and nozzle, high-performance double nozzles, strengthening mass
transfer effect.
● Adopt special program to design every spraying layer and its nozzles, ensuring high spraying coverage rate
and uniformity, which increases desulfurization efficiency and reduces circle quantity of slurry.
● Adopt high-performance double nozzles and achieve intensive secondary atomization, which enlarges the
area between gas and slurry liquid. This nozzle has excellent wear & corrosion resistance, anti-blocking
function and high reliability.
●Adopt high-performance demister
● Adopt multi-layer high-performance roof-type demister combined with flow equalization board technology
to achieve low pressure and small critical separated droplet diameter, ensuring escaping quantity of
droplet no more than 20mg/Nm3. It can minimize dust quantity carried by mist and achieve super-clean
emission.
●DCS intelligent control system
DCS intelligent control system:
adds inlet pressure control loop of fan; regulate the SO2 outlet concentration by slurry offering; concentration control by vacuum dehydrating agent filter cake; automatic washing control of demister based on differential pressure. All the controls reduce energy consumption and ensure that emission standard is achieved.
Technical parameters