Purification device for mercury vapor

Abstract

The invention discloses a purification device for mercury vapor. Mercury vapor purification is carried out by sulfurizing active carbon; a main body of the purification device is an absorption box; the bottom part of the absorption box is connected with a waste gas inlet through a fan; an exhaust port for processing the waste gas is arranged near the side; a plurality of feed ports and discharge ports are arranged on the absorption box; sealed switch boards are arranged on the feed ports and the discharge ports, while a waste gas purification device is arranged inside the absorption box; the waste gas purification device is a filter box structure with a plurality of partition layers; the adjacent partition layers are isolated by a mesh as a primary filtering unit, and meanwhile, an absorption device of a sulfurizing active carbon absorption unit is also arranged on the lateral wall of the filter box so as to be used as a secondary purification unit. According to the purification device for mercury vapor, the production cost can be effectively reduced, and the purification device has higher social value and economic value.

Description

technical field [0001] The invention relates to waste gas treatment technology, in particular to a mercury vapor purification treatment device used for mercury vapor waste gas treatment in the field of energy-saving lamp manufacturing. Background technique [0002] my country is a big producer of energy-saving lamps, and its output accounts for more than 80% of the global total. Energy-saving lamps are another lighting fixture in the general lighting field after incandescent lamps. The round row (lamp tube exhaust) process is carried out in the workshop. At present, energy-saving lamp manufacturers generally discharge the mercury vapor from the lamp tube in the workshop. The local concentration of the workshop is very high. The production workers work in this environment, which is harmful to the workers' health. . The poor production environment has caused difficulties in recruiting workers, and residents around the untreated discharge plant protested. In short, the tradit...

AI Technical Summary

Problems solved by technology

Therefore, in order to ensure the continuity of the treatment effect and prolong the regeneration or replacement cycle, the filling volume of the adsorbent is usually relatively large, the volume of the equipment is large, and the investment increases accordingly.

In addition, the price of silver nitrate is very expensive, so that the price of silver-loaded activated carbon remains high, and the price continues to rise as the price of gold and silver increases

Therefore, the process of using silver-loaded activated carbon as an adsorbent has been difficult to promote in large-scale applications.

Images