Waste gas recovery device

The utility model provides a waste gas recovery device, which relates to the technical field of waste gas recovery devices and comprises a main frame, a gas inlet pipe is fixedly mounted on one side of the main frame, a gas outlet pipe is fixedly mounted on one side, far away from the gas inlet pipe, of the main frame, and a partition plate is fixedly mounted in the middle of the inside of the main frame. A filter box is installed at the position, close to the partition plate, of the bottom end in the main frame, an activated carbon layer A is arranged at the top end, close to the filter box, of the inner wall of the main frame, a flow guide pipe is fixedly installed in the middle of the partition plate, and primary filter cotton is arranged at the position, close to the air inlet pipe, in the main frame. According to the utility model, through the arrangement of the sliding blocks and the sliding chutes, when the filter material is cleaned, the filter material can be moved out of the main frame only by movin