Importance

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Abstract

This invention relates to the filtering field, and particularly to a filter device for continuously filtering. The filter device is characterized by comprising a reverser and N filters, wherein an inlet for a material to be filtered is formed at a lower end of the side wall of the reverser; N material outlets are formed at an upper end of the side wall of the reverser; a rotor is arranged inside the reverser, and is arranged in a way of rotating around a center shaft; N openings are provided on the side wall of the rotor at positions corresponding to the material outlets of the reverser; one opening of the rotor is communicated with a slag discharge port formed in a bottom of the reverser; the N-1 openings of the rotor are limiting holes with sequentially-increased diameters, and are communicated with the inlet for the material to be filtered at the lower end of the side wall of the reverser; a filter core is mounted inside each of the N filters; and the N-1 filters are communicated with the inlet for the material to be filtered, and the other filter is communicated with the slag discharge port. The present invention reduces the number of filter cores and valves used, cuts costs and effectively controls the flow of each filter.

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First Claim