Oil-gas purifier applied to oil refining equipment

The utility model discloses an oil gas purifier applied to oil refining equipment. Oil gas purifier comprises an oil gas purifier main body, wherein the oil gas purifier main body comprises a purification box with an opening in the top; a rectangular hole with an opening in the top is formed in one side of the purification box; a baffle is fixed to the inner wall of the bottom of the rectangular hole in a sealed magnetic attraction mode, the top of the baffle and the top of the purification box are located on the same horizontal line, a cover plate is fixed to the top of the purification box through threads, one side of the bottom of the cover plate and the top of the baffle are fixedly installed, and a connecting rod located in the purification box is fixedly installed on the other side of the bottom of the cover plate. The dust collecting device is reasonable in design, the dust filtering plate can be conveniently driven to shake continuously, dust or impurities adhering to the dustfiltering plate can be ef