Absorption and purification device for nitric oxide in gold purification process

The utility model provides an absorbing and purifying device for nitrogen oxides in a gold purification process, which comprises a stirring box body, a filter box and a medicament box, a stirring box body cover plate is arranged at the upper end of the stirring box body, a stirring box body liquid inlet is arranged on the stirring box body cover plate, a stirring box body liquid outlet is arranged at the lower end of the stirring box body, and the medicament box is arranged in the stirring box body. A filtering box liquid inlet and a filtering box liquid outlet are formed in the filtering box, the stirring box liquid outlet is communicated with the filtering box liquid inlet through a communicating pipe, a primary filtering net is arranged at the lower end of a stirring box cover plate, and the right end of the primary filtering net is fixedly arranged in a second connecting frame; the second connecting frame is fixedly connected with the stirring box body cover plate through a second connecting column, and t