Smoke exhaust equipment of box-type tempering furnace

The utility model provides box-type tempering furnace smoke exhaust equipment which comprises a dust removal box, a smoke inlet square pipe, axial flow fans and a filtering pore plate, the left side of the dust removal box is connected with the smoke inlet square pipe, the axial flow fans are respectively arranged below the left side and above the right side in the smoke inlet square pipe, and the atomizing nozzles are respectively arranged above the left side surface and the right side surface of the dust removal box. A lower adsorption plate is arranged on the lower portion of the interior of the dust removal box, four supporting legs are connected to the lower portion of the lower adsorption plate, an upper filter plate is installed on the upper portion of the interior of the dust removal box, an air outlet is formed in the middle of the upper surface of the dust removal box in a penetrating mode, a smoke inlet is formed in the lower surface of the left end of a smoke inlet square pipe in a penetrating mod