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Centrifugal separator and a method for cleaning of a gas

A centrifugal separator and gas technology, applied in the direction of separation methods, chemical instruments and methods, centrifuges, etc., can solve the problems of transporting impurities that are harmful to separation

Active Publication Date: 2012-06-20
ALFA LAVAL CORP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a coating impairs the separation and makes it difficult to transport impurities out of the separation space

Method used

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  • Centrifugal separator and a method for cleaning of a gas
  • Centrifugal separator and a method for cleaning of a gas
  • Centrifugal separator and a method for cleaning of a gas

Examples

Experimental program
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Embodiment Construction

[0034] figure 1 A centrifugal separator for cleaning a gas containing impurities in the form of solid or liquid particles is disclosed. The centrifugal separator comprises a stationary housing 1 enclosing a substantially closed separation space 2 . The housing 1 has an inner wall surface 3 facing the separation space 2 . The separation space 2 is arranged to allow gas to flow through it.

[0035] The centrifugal separator also comprises a rotation member 4 provided in the separation space 2 and arranged to rotate in a rotation direction r about a rotation axis x, which also forms a central axis through the housing 1 . The centrifugal separator is arranged such that the axis of rotation x extends substantially vertically such that the stationary housing 1 has an upper end 1 ′ and a lower end 1 ″.

[0036] The rotating member 4 comprises a spindle member 5 which is supported in the housing 1 by means of bearings 6 near the upper end 1 ′. The rotating member 4 includes a numb...

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PUM

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Abstract

The invention refers to a centrifugal separator and a method for cleaning of a gas containing impurities in the form of solid and / or liquid particles. A stationary casing (1 ) encloses a separation space (2) through which the gas flows. An inlet channel (9) extends to the separation space and forms an inlet for the gas to be cleaned. A rotating member (4) is provided in the separation space (2) downstream the inlet and rotates about an axis (x) of rotation. The rotating member comprises a number of separation discs and brings the gas to rotate for separating by means of centrifugal forces a main part of the impurities from the gas. A gas outlet channel (10) is provided downstream the rotating member for discharging the cleaned gas. A first outlet (11 ) is provided for discharging the impurities. A supply member (50) is configured to permit the supply of a separation aid humidifying the particles, which aid is in the form of an aerosol, to the gas to be cleaned.

Description

technical field [0001] The present invention generally relates to centrifugal separators for cleaning gases from impurities in the form of solid or liquid particles. More specifically, the invention relates to centrifugal separators and methods for cleaning gases. [0002] The centrifugal separator includes: [0003] - a stationary housing which closes the separation space and allows gas to flow through the separation space, [0004] - an inlet channel extending into the separation space and forming an inlet for the gas to be cleaned, [0005] - a rotating member arranged in the separation space downstream of the inlet with respect to the gas flow and arranged to rotate in the direction of rotation about the axis of rotation, wherein the rotating member comprises a number of separation discs and is adapted to cause the gas in the direction of rotation rotating for separating at least a substantial part of the impurities from the gas by means of centrifugal force, [0006] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B04B5/12B01D45/14
CPCB04B5/12B01D45/14B04B2005/125
Inventor C·-G·卡尔森J·斯库格T·迈尔万格J·伯恩特森
Owner ALFA LAVAL CORP AB