DNT water washing tower tray and device

• Main Authors: ZHAO ZHIFENG, DU XIAOLING, ZHANG CHANGGE, XIE HUASHENG
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The utility model discloses a DNT (Dinitrotoluene) water washing tower tray and a DNT water washing device comprising the same. The tower tray comprises a tower tray plate, and the tower tray plate is provided with sieve pores and a riser tube; the riser tube comprises a cylinder body and a cylinder cap; the lower part of the cylinder body is connected with a tray plate, and the upper part of the cylinder body is connected with a cylinder cap; and a liquid outlet hole is formed in the side wall of the barrel cap. According to the DNT water washing tower tray, a liquid rising area of a traditional plate type water washing tower is omitted, a plurality of liquid rising pipes are arranged, meanwhile, sieve holes in the tray are kept unchanged, a DNT phase and water phase counter-current extraction mass transfer process is achieved through a DNT water washing device adopting the tray, the problem that DNT liquid drops are entrained in continuous phase horizontal flow can be solved, the area of an effective mass t