Pressure filter and process for cleaning it

A pressure filter for media to be filtered comprising

• a filter tank, optionally including an air passage;
• an inlet to said tank for introducing said medium under pressure;
• a hollow carrier member removably supported in said filter tank;
• a plurality of hollow elongated flexible filter members supported in rows by said carrier member;
• an outer filter wall provided on said flexible filter elements adapted to hold back the matter to be filtered out;
• an inner space provided in said flexible filter member adapted to receive the filtrate penetrating through said outer wall, said inner space communicating with the interior of said hollow carrier member;
• means operative to fill said inner space of said flexible filter member and to support said flexible filter member during introduction of said medium under pressure, said means comprising packing material;
• discharge means connected to said carrier member for receiving said filtrate;
• an outlet in said filter tank for discharging said filter residue;
• and
• means for opening and closing said filter tank, whereby after opening of the tank all or groups of said filter elements may be removed together for cleaning or replacement by means of removal of said carrier member.