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1. (AU1991077648) Tank washing equipment

Office : Australia
Application Number: 77648/91 Application Date: 01.05.1991
Publication Number: 1991077648 Publication Date: 04.02.1993
Publication Kind : A
Prior PCT appl.: Application Number:GB1991000701 ; Publication Number: Click to see the data
IPC:
B08B 9/093
B PERFORMING OPERATIONS; TRANSPORTING
08
CLEANING
B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
9
Cleaning hollow articles by methods or apparatus specially adapted thereto
08
Cleaning of containers, e.g. tanks
093
by the force of jets or sprays
CPC:
B08B 9/093
B08B 9/0933
Applicants: North West Water Limited
Wraith, Peter
Inventors: Wraith, Peter
Priority Data: 9010212 05.05.1990 GB
Title: (EN) Tank washing equipment
Abstract:
(EN) A tank washing system comprising three rows (16, 20, 21) of jet nozzles each row connected to a supply pipe (14) extending across the tank, and means (17, 18, 22, 24, 23, 25) for progressively rotating each supply pipe such that nozzles (16) swing forwardly and upwardly towards nozzles (20) which then take over and swing forwardly towards nozzles (21) which then continue to swing forwardly and upwardly. Thus, washing medium fed to the pipes (14) is directed in a wide footprint, at the tank bottom (12) and generates a surge or wave which sweeps along the tank bottom from one end to the other and entrains settled solids therein.
Also published as:
WO/1991/017000