Improved horizontal decanter centrifuge

The invention discloses an improved horizontal decanter centrifuge which comprises a revolving drum with a first end and a second end, an auger conveyor, and a feed pipe, wherein the revolving drum is supported on a first bearing block and a second bearing block on a frame, the auger conveyor is coaxially arranged in the revolving drum, a separation chamber is formed between the revolving drum and the auger conveyor, the first end of the revolving drum and one end of the corresponding auger conveyor are outwards connected to a differential mechanism, and the axle center of the differential mechanism and the axle center of the auger conveyor are separately provided with through holes. One end of the feed pipe is inserted into the through holes, and the other end is statically fixed on a support seat positioned on the frame. The axle center of the auger conveyor, which corresponds to one end in the second end of the revolving drum, is provided with a first centripetal pump which can pump separated clear liquor