Centrifugal purification device and equipment for smelting flue gas and application

The invention provides a smelting flue gas centrifugal purification device and equipment and application, the smelting flue gas centrifugal purification device comprises a purification shell, a centrifugal device is installed in the purification shell, and the centrifugal device comprises a first centrifugal assembly and a second centrifugal assembly which are arranged in the length direction of the purification shell; the first centrifugal assembly comprises a first centrifugal blade and a first flushing assembly mounted above the first centrifugal blade, and the second centrifugal assembly comprises a second centrifugal blade and a second flushing assembly mounted above the second centrifugal blade; the bottom of the first centrifugal assembly and the bottom of the second centrifugal assembly are each provided with a conduction control device, the conduction control devices communicate with the corresponding flushing assemblies, and pressure detection elements are further arranged in the conduction control