Centrifugal filter convenient to maintain

The utility model discloses a centrifugal filter convenient to maintain, which comprises a centrifugal cylinder and a flow inlet device, a spiral separation water channel is arranged in the centrifugal cylinder, the flow inlet device is fixed at the inlet end of the centrifugal cylinder, and a guide pin is fixed at the central position of the flow inlet device. The flow divider is fixed to the outlet end of the centrifugal barrel, a water purification barrel is fixed to the center of the flow divider, the upper end of the water purification barrel is in butt joint with the guide pin, the lower end of the water purification barrel downwards extends out of the flow divider, and a sewage channel is formed between the inner wall of the flow divider and the water purification barrel and communicated with the separation water channel. A sewage outlet communicated with the sewage channel is formed in the side wall of the flow divider; the filter cartridge is fixed to the lower end of the flow divider, a cover plate