Large-scale air purification environmental protection equipment

The invention relates to large-scale air purification environmental protection equipment which is characterized by comprising an air inlet, a fire-fighting air pipe, an exhaust fan, a barrel, a primary filter net, a first sand wheel, a second sand wheel, brushes, a fan, an active carbon net and an air outlet, wherein the barrel is sequentially provided and equipped with the exhaust fan, the primary filter net, a sand wheel set, the fan and the active carbon net from the left to the right; the exhaust fan is provided with the air inlet and the fire-fighting air pipe at the outer end of the barrel; the air outlet is formed at the other end of the barrel; the sand wheel set at least comprises the first sand wheel and the second sand wheel; the first sand wheel and the second sand wheel are covered with filter cloth; the brushes are further arranged on the sand wheels; and the centers of the exhaust fan, the primary filter net, the fan, the first sand wheel, the second sand wheel and the active carbon net are loc