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1. (WO1992009372) HYDROCYCLONE PLANT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/009372 International Application No.: PCT/SE1991/000804
Publication Date: 11.06.1992 International Filing Date: 26.11.1991
Chapter 2 Demand Filed: 16.06.1992
IPC:
B04C 5/14 (2006.01) ,B04C 5/28 (2006.01) ,D21D 5/24 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
04
CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
C
APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
5
Apparatus in which the axial direction of the vortex is reversed
14
Construction of the underflow ducting; Apex constructions; Discharge arrangements
B PERFORMING OPERATIONS; TRANSPORTING
04
CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
C
APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
5
Apparatus in which the axial direction of the vortex is reversed
24
Multiple arrangement thereof
28
for parallel flow
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
D
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
5
Purification of the pulp suspension by mechanical means; Apparatus therefor
18
with the aid of centrifugal force
24
in cyclones
Applicants:
CELLECO HEDEMORA AB [SE/SE]; Box 12109 S-102 23 Stockholm, SE (AllExceptUS)
ANDERSSON, Roine [SE/SE]; SE (UsOnly)
Inventors:
ANDERSSON, Roine; SE
Agent:
CLIVEMO, Ingemar; Alfa-Laval AB S-147 80 Tumba, SE
Priority Data:
9003745-826.11.1990SE
Title (EN) HYDROCYCLONE PLANT
(FR) INSTALLATION A HYDROCYCLONES
Abstract:
(EN) A hydrocyclone plant comprises a great number of hydrocyclones (1) arranged in groups, and a main chamber (10) for receiving a fraction of a separated liquid mixture from all of the hydrocyclones. Each hydrocyclone group has a sub-chamber (20) for receiving said fraction from the group, and each sub-chamber is connected to the main chamber. According to the invention, said fraction is directed into each sub-chamber, such that a vortex of the fraction is generated in the sub-chamber, for creating an increased counter pressure in the latter.
(FR) Installation à hydrocyclones composée de plusieurs hydrocyclones (1) disposés en groupes, et d'une chambre principale (10) destinée à recevoir une fraction d'un mélange liquide séparé provenant de la totalité des hydrocyclones. Chaque groupe d'hydrocyclones comprend une sous-chambre (20) recevant ladite fraction provenant du groupe, chaque sous-chambre étant reliée à la chambre principale. Selon cette invention, ladite fraction est dirigée dans chaque sous-chambre, de sorte qu'un tourbillon de la fraction est produit dans la sous-chambre, lequel permet de créer une plus forte contre-pression dans cette dernière.
Designated States: CA, FI, JP, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)