A water washing device for making pyromellitic dianhydride

摘要

A water washing device for producing pyromellitic dianhydride, characterized in that it has a water washing tower (2), an air inlet pipe (3) arranged on the upper part of one side of the water washing tower (2) and an exhaust air pipe (2) arranged on the lower part of the other side of the water washing tower (2). 7), wherein an atomizing arrangement (1) is arranged on one side of the outer wall of the water washing tower (2), wherein the atomizing arrangement (1) comprises a main water delivery pipe (11) and a shunt pipe (12), one end of the main water delivery pipe (11) is provided with a shunt pipe (12), the other end of the main water delivery pipe (11) being connected to the external water delivery equipment, one end of the shunt pipe (12) being provided with a first bypass pipe (13), a first atomizing nozzle (14) is arranged on the outer surface of the first diversion pipe (13), the other end of the bypass pipe (12) with e is provided in a second bypass pipe (16), wherein a second atomizing nozzle (15) is arranged on the outer surface of the second bypass pipe (16), wherein the first bypass pipe (13) and the second bypass pipe (16) via the drive arrangement (4) with the Water washing tower (2) are connected, the drive arrangement (4) being arranged on the other side of the outer wall of the water washing tower (2).