Semi-embedded blast furnace gas desulfurization tower and working method thereof

The invention discloses a semi-embedded blast furnace gas desulfurization tower and a working method thereof, and belongs to the technical field of desulfurization towers. The tower comprises a lower tower body and an upper tower body, a lower tower steel plate inner wall is arranged on the outer ring of the lower tower body, and a lower tower concrete outer wall is arranged on the outer ring of the lower tower steel plate inner wall; an upper tower body is arranged at the upper part of the lower tower body, the lower tower body and the upper tower body are filled with in-tower filler devices, the bottoms of the side surfaces of the lower tower body and the upper tower body are respectively connected with a coal gas inlet pipe, and the upper parts of the side surfaces of the lower tower body and the upper tower body are respectively connected with a coal gas outlet pipe. The desulfurization tower is divided into the lower tower body and the upper tower body, the lower tower body is arranged underground, and t