A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQUOR FILTER

European Patent Office Patent

APP PUB NO EP-3122932-A1
SERIAL NO

15723251

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Abstract

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A method and a liquor filter, in which liquor filter sealing medium is fed via a sealing medium channel (3) into an innermost sealing zone formed by an innermost sealing member (1), an outer seal (2) and the space between them at a causticizing plant of a chemical pulp mill. The sealing medium used is an alkaline sealing liquid and/or gas, which does not substantially dilute the liquor being filtered. Advantageously the sealing medium is filtrate from the liquor filter and/or gas taken from the interior of the liquor filter.

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Patent Owner(s)

Patent OwnerAddress
ANDRITZ OYFITAMMASAARENKATU 1 HELSINKI 00180

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Inventor(s)

Inventor Name Address
HAMMARBERG TOMMI 00180 HELSINKI
MANTSINEN MATTI FI-48600 KOTKA
SUUTARI SIMO FI-49480 SUMMA
KOTTILA MIKA FI-01820 KLAUKKALA

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