Centrifugal separator with special separator wheel

Abstract

A centrifugal separator including a separator housing and a separator wheel, which revolves in the separator housing, wherein the separator housing has at least one inlet for material to be separated,at least one coarse material outlet, as well as at least one first fine material outlet, wherein the separator wheel is formed by a separator drum and a separator wheel shaft, which supports the separator drum and preferably rotates around a horizontal axis, and the circumferential jacket surface of the separator drum is interrupted in such a way that it sets the material to be separated, which hits the separator drum on the outer jacket side, into rotation during operation and the separation air flows through it in the radially inwards direction, wherein the at least one fine material outletis arranged on the end of the separator drum and fine material is discharged from the interior of the separator drum into the at least one fine material outlet via the free front face of the separator drum, wherein the separator wheel shaft consists of two parts, which are not directly connected to one another in a supporting manner, and the first part of the separator wheel shaft extends outwards from a wheel disk, which supports the separator drum in the area of its first front face, away from the separator drum, and the second part of the separator wheel shaft extends outwards from a wheeldisk, which supports the separator drum in the area of its second front face, away from the separator drum.

Description

technical field [0001] The invention relates to a centrifugal separator according to the preamble of the corresponding main claim. Background technique [0002] Various embodiments of centrifugal separators are known in the prior art. [0003] The core of each centrifugal separator forms a separator drum that circulates at high speed within a drum-shaped separator chamber. [0004] The separator drum is provided with holes, gaps or other forms of screen structure on the outer surface. Separator air is drawn from the fines outlet. This creates a continuous separator air flow. The separator air flow mostly enters the separator chamber together with the screen material via the screen material inlet. Here, the separator air stream laden with screened material is agitated into a swirling flow by the high-speed rotating separator drum. The swirling flow first circulates around the separator drum on the outside and finally enters the interior space of the separator drum throug...

AI Technical Summary

Problems solved by technology

[0007] One solution to increasing the throughput of such centrifugal separators is to increase the diameter of the separator wheel and thereby rotate the separator wheel at a higher rotational speed, because Merely increasing the separator wheel diameter while keeping the rated speed constant will result in a coarser fine material available

[0008] However, the increase in speed makes the equipment more technically complex, requiring more precise balancing and more complex maintenance

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