公开(公告)号：US11452955B2

公开(公告)日：2022-09-27

申请号：US16761625

申请日：2018-11-22

Applicant: VALMET TECHNOLOGIES OY

Inventor： Teemu Antikainen ,  Mika Karaila ,  Joona Nikunen

IPC: B01D35/143 ,  B01D33/21 ,  B01D39/08 ,  B01D33/80 ,  G01N29/14 ,  G01N29/12 ,  G01N29/44 ,  G08B5/36 ,  H04R1/40

Abstract: An arrangement is provided for detecting a damage of a filter fabric (8) of a disc filter (1) at a disc filter unit comprising disc filters. The arrangement includes a measurement bar (20) that includes two or more microphones (21), a store (45) including stored sound samples, at least one alarming means and a processing arrangement (43) for analyzing online sound or sound samples captured by the microphones (21). The processing arrangement (43) is connected to the microphones (21), the store (45) and the at least one alarming means. A method is also disclosed for detecting a damage of a filter fabric (8) of a disc filter (1) at a disc filter unit.

公开(公告)号：US20200324229A1

公开(公告)日：2020-10-15

申请号：US16761625

申请日：2018-11-22

Applicant: VALMET TECHNOLOGIES OY

Inventor： Teemu Antikainen ,  Mika Karaila ,  Joona Nikunen

IPC: B01D35/143 ,  B01D33/21 ,  B01D39/08 ,  B01D33/80 ,  G01N29/14 ,  G01N29/12 ,  G01N29/44 ,  G08B5/36 ,  H04R1/40

Abstract: The invention relates to an arrangement for detecting a damage of a filter fabric (8) of a disc filter (1) at a disc filter unit comprising disc filters. The arrangement comprises a measurement bar (20) comprising two or more microphones (21), a store (45) including stored sound samples, at least one alarming means and a processing arrange-ment (43) for analyzing online sound or sound samples captured by the microphones (21). The processing arrangement (43) is connected to the microphones (21), the store (45) and the at least one alarming means. The invention also relates to a method for detecting a damage of a filter fabric (8) of a disc filter (1) at a disc filter unit.

公开(公告)号：US20210138367A1

公开(公告)日：2021-05-13

申请号：US16622700

申请日：2018-06-25

Applicant: VALMET TECHNOLOGIES OY

Inventor： Teemu Antikainen

IPC: B01D33/23 ,  B25B5/00

Abstract: The present invention relates to a device (14) and a method for installing a filter bag having an open end on a sector (5) of a disc filter (1). The device (14) comprises a substantially horizontal elongated body (15) having a first end and a second end and at least three clamping devices (16) attached to the body (15). Each clamping device (16) comprises a substantially vertical supporting leg (17). The device (14) comprises a suspension arrangement for the filter bag at both ends of the body (15).