SCRAPER FOR UNLOADING OF FILTERING DEPOSIT ONTO FILTER-PRESS FILTERING PLATE Russian patent published in 2015 - IPC B01D25/38 

FIELD: process engineering.

SUBSTANCE: invention relates to servicing of filter presses. This scraper for unloading of filtering deposit from the filtering plate (22) comprises fixed and moving frames and lifting frame secured at the latter. Said frames feature carcass structure. Note that fixed frame comprises support crossbar and support beam (1) while moving frame includes support (3), top and bottom crossbars (19, 12), columns (18) and axle (6) with gear (5). Lifting frame comprise top and bottom crossbars (32, 31), props (17) and scraper assembly with scraper (21). Note here that said moving frame is equipped with geared motor (8) engaged via gear (5) with rack (2) arranged at support beam (1) and geared motor (9) of lifting frame arranged nearby top of column (18) and engaged lifting frame lift chain (10). The latter comprises contact plate (35) connected with moving plate (13) and with flexible chain (16) of chain gearing (10). Note also that scraper assembly comprises cylinders (24) connected with scraper (21) on both sides of filtering plate (22) of filter-press. Columns (18) of moving frame are provided with lifting frame travel limiter (14), clamping and unclamping approach pickups (15, 20).

EFFECT: higher reliability.

6 cl, 4 dwg