Novel blast furnace slag flushing, dust removing and white smoke eliminating system

The invention provides a novel blast furnace slag flushing, dust removing and white smoke eliminating system. The system comprises a primary cooling device, a purifying device, a wind-proof cover, a sealing cover plate and an exhaust fan, wherein the primary cooling device is arranged on a blast furnace smoke exhaust chimney and is provided with a cooling spray nozzle; the purifying device is arranged on the primary cooling device; a smoke cavity is formed in the middle of the purifying device; an adsorption layer is arranged on the periphery of the smoke cavity; the sealing cover plate is arranged on the top of the adsorption layer and the smoke cavity; the purifying device is sleeved with the wind-proof cover; an exhaust channel is arranged between the wind-proof cover and the adsorption layer; an contraction smoke outlet is formed in the top of the wind-proof cover; a dust cover is arranged at the top of the smoke outlet; and the exhaust fan is arranged in the smoke outlet. According to the novel blast fur