Filtering device with replaceable filter element

The utility model provides a filter device with a replaceable filter element, which comprises a filter element mounting shell used for being mounted at an air outlet of an exhaust device, a filter element mounting shell sealing cover is arranged at one end of the filter element mounting shell far away from the air outlet of the exhaust device, and a filter part used for filtering air is arranged in the filter element mounting shell. The filter element installation shell sealing cover is provided with an air outlet hole and a pushing part used for pushing the filtering part, the pushing part comprises a push rod, and the push rod is movably arranged relative to the filter element installation shell sealing cover. By applying pressure to the pushing part, the filter element can be replaced under the condition that a replacement worker does not make contact with the filter element, the human body is prevented from making contact with the filter element in the replacement process, and meanwhile the risk that subs