The invention provides a single-circulation double-turbulence double-spray ultra-clean desulphurization dedusting
tower, and belongs to the technical field of boiler
flue gas purifying. The lower side wall, the top part, and the bottom part of a
tower body of the single-circulation double-turbulence double-spray ultra-clean desulphurization dedusting
tower are provided with a
flue gas inlet, a
flue gas outlet, and a thick liquid outlet; the tower bottom is provided with a thick liquid
discharge pump connected with the thick liquid outlet; a
liquid storage zone is arranged at the internal bottom part of the tower body; an
aeration oxygen-increasing device and a disturbance tube are arranged in the
liquid storage zone; the disturbance tube is communicated with the
liquid storage zone via a thick liquid disturbance pump so as to form a circulation loop; a
flue gas inlet gas flue is provided with jet device which is connected with the liquid storage zone via a pipeline provided with a jet pump; a first
rotational flow device, a first spray zone, a second
rotational flow device, a second spray zone, and a multi-layer
demister are arranged in the tower body above the
flue gas inlet gas flue from bottom to top; spray pipes of different
layers in the first spray zone and the second spray zone are connected with corresponding circulating pumps respectively; and the circulating pumps are communicated with the liquid storage zone respectively. The single-circulation double-turbulence double-spray ultra-clean desulphurization dedusting tower is small in occupied
land area, is capable of reducing cost, and is high in efficiency.