Liquid purification or separation – With repair or assembling means – Piercing or closure knock out means
Patent
1991-08-01
1993-03-16
Dawson, Robert A.
Liquid purification or separation
With repair or assembling means
Piercing or closure knock out means
210232, 2105121, 209144, 209211, 554591, B01D 2126
Patent
active
051941503
ABSTRACT:
The invention provides a highly space efficient solution to designing hydrocyclone vessels and the liners that are used therein. Moreover, the invention reduces the maintenance requirements for the vessels by providing the liners as units which are preassembled outside the vessel and installed in and out of the vessel without bolts or other minimally detailed process. The invention primarily includes a three chamber vessel wherein the inlet chamber is between the outlet and reject chambers. Therefore the inlet to the liners is between the plates dividing the chamber into separate chambers and the outlets from the liners extend straight into the end chambers. This avoids having to provide conduits from the reject end of the liner to a reject gallery in the plate or outside the vessel. Secondly, the design incorporated a no bolt design to secure the involute inlet into the liner and secure the liner into the opening in the plate. The reject plug at the reject end of the liner includes a shoulder portion which is particularly designed to stop the rotation of the liner by contacting the wall of the vessel and by contacting one another.
REFERENCES:
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patent: 3543931 (1970-12-01), Rastatter
patent: 4208270 (1980-06-01), Grieve et al.
patent: 4585466 (1986-04-01), Syred et al.
patent: 4650584 (1987-03-01), Macierewicz
patent: 4673495 (1987-06-01), Carroll et al.
patent: 5009785 (1991-04-01), Webb
McCoy Stephen T.
O'Brien Kevin J.
Thompson Pete A.
Conoco Specialty Products Inc.
Dawson Robert A.
Reifsnyder David
Westphal David W.
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