High-temperature dust-containing flue gas conveying line for ferronickel production line

The utility model relates to a high-temperature dust-containing flue gas conveying line of a ferronickel production line, and belongs to the technical field of non-ferrous metal metallurgy, the high-temperature dust-containing flue gas conveying line comprises a first flue gas conveying line, a second flue gas conveying line, a heat preservation flue and a communication valve, and the first flue gas conveying line and the second flue gas conveying line are in line communication through the heat preservation flue; a communication valve is installed on the heat preservation flue, and communication and disconnection of the two flue gas conveying lines are achieved by controlling communication and disconnection of the communication valve. After the device is adopted, the two flue gas conveying lines are standby for each other, the two flue gas conveying lines do not interfere with each other during normal production, and when equipment of a certain line fails and needs to be maintained, the communication valve is