Enclosed cyclone separators

Details Enclosed cyclone separators Enclosed cyclone separators

1985-03-28

1987-06-16

Fisher, Richard V.

Liquid purification or separation

With repair or assembling means

2105122, 55345, 209211, B04C 500

Patent

active

046734953

DESCRIPTION:

BRIEF SUMMARY
This invention relates to liquid separator apparatus.
Liquid separator apparatus utilizing a cyclone separator is known from, for example, U.S. Pat. No. 4,237,006 and International Application No. PCT/AU83/00028.
On the one hand, a difficulty exists with apparatus of the above described kind in that numerous interconnections are required to the cyclone separator, particularly but not exclusively where several cyclone separators are combined in a bank. Furthermore, in instances where the cyclone separator is subjected to wear such as because of the nature of the liquid mixture being separated or because of the flow conditions within the cyclone separator, relatively frequent replacement of the separator may be required. Normally, however, it is necessary to form the separator with a substantial wall thickness in order to make the separator strong enough to withstand the pressure forces thereon in operation and considerable cost may therefore be entailed in replacing the separator.
An object of the invention is to provide a liquid separator apparatus which permits, at least in part, some amelioration of one or both of the above mentioned problems.
In one aspect, the invention provides a liquid separator apparatus comprising a cyclone separator having an inlet and upstream and downstream outlets, said cyclone separator being positioned within a housing with the inlet of the cyclone separator open to the interior of the housing.
In a more specific form, the invention provides a liquid separator apparatus comprising a cyclone separator arranged for separating a liquid mixture into components thereof, and mounted within a substantially closed housing, said cyclone separator having at least one feed inlet, an overflow outlet and an underflow outlet and wherein said inlet to said cyclone separator is open to a chamber defined within the interior of said housing, said housing having an inlet for admission of said liquid mixture for flow through the chamber to said feed inlet of said cyclone separator, said outlets communicating with the exterior of the housing.
In another aspect, the invention provides a liquid separator apparatus comprising a plurality of cyclone separators arranged for separating a liquid mixture into two components thereof, and a substantially closed housing with said plurality of cyclone separators mounted within the interior thereof, each said cyclone separator having at least one feed inlet, an overflow outlet and an underflow outlet and wherein said inlet to at least one of said cyclone separators is open to a chamber defined by the interior of said housing, the housing being provided with inlet means for inflow of liquid to be separated into the said housing, the liquid separator apparatus being provided with first and second outlet means for outflow of the respective separated liquid components.
The invention is further described by way of example only with reference to the accompanying drawings in which:
FIG. 1 is axial cross section of a liquid separator apparatus constructed in accordance with the invention;
FIG. 2 is a cross section on the line 2--2 in FIG. 1;
FIG. 3 is an enlarged axial cross section of part of one cyclone separator incorporated within the separator apparatus of FIG. 1, at the location where this passes through a partition wall in a housing of the separator apparatus; and
FIG. 4 is an axial cross section of another liquid separator apparatus constructed in accordance with the invention.
The separator apparatus 8 shown in FIG. 1 includes a housing 9 which defines a pressure vessel. Housing 9 is of generally cylindrical configuration, of circular cross-section and including a hollow cylindrical pipe-like member 11 with inturned annular flanges 11a, 11b at each end. Circular end plates 13, 15 are provided, these being bolted to the flanges 11a, 11b respectively by bolts 17 passing through openings in the end plates and into threaded holes in the flanges 11a, 11b. The plates 13, 15 are sealed to the flanges 11a, 11b such as by the use of the interposed sealing rings 19 sh

REFERENCES:
patent: 2670056 (1954-02-01), Rossiter
patent: 3261467 (1966-07-01), Wikdahl
patent: 4155839 (1979-05-01), Seifert et al.
patent: 4211643 (1980-07-01), Frykhult et al.
patent: 4237006 (1980-12-01), Colman et al.
patent: 4278534 (1981-07-01), Jakobson

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