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1. (WO2017149557) VACUUM FILTER DEVICE AND WASTEWATER TREATMENT PLANT USING THE SAME

Pub. No.:    WO/2017/149557    International Application No.:    PCT/IT2017/000042
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: B01D 33/04
B01D 33/048
B01D 33/056
B01D 33/333
B01D 33/41
B01D 33/46
B01D 33/50
Applicants: ELIA, Camine
Inventors: ELIA, Camine
Title: VACUUM FILTER DEVICE AND WASTEWATER TREATMENT PLANT USING THE SAME
Abstract:
A vacuum filter device (1) has a load bearing structure (2) having vertical walls (3, 4), at least two upper drive pulleys (7) and at least two lower driven pulleys (8), a belt filter (9) engaged to move together with the upper pulleys (7) and the lower pulleys (8), together a flexible structure (10) to which filter panels (11) are mounted, a geared motor (15) for the upper pulleys (7) and an electric pump (17) for washing membranes. Created between the belt filter (9) and the opposite walls (3, 4) of the load bearing structure (2) is a compartment (23) for only clarified liquid communicating with the outside of the tank (V) by means of a pipe (27) connected to an outlet opening (37) formed in one of the opposite walls (3, 4) at a height lower than that of the free surface (PLV) of the liquid in the tank (V).