Apparatus for purification of unclarified waste water

Claim 1

APPARATUS FOR THE PURIFICATION OF UNCLARIFIED WASTE WATER, COMPRISING A HOUSING HAVING AN INNER WALL, A PIPE SYSTEM IN SAID HOUSING FOR DISPERSING THE WASTE WATER IN SAID HOUSING, SAID PIPE SYSTEM BEING PROVIDED WITH A PLURALITY OF DISPERSING NOZZLES, MEANS CONNECTED TO SAID PIPE SYSTEM FOR ENRICHING THE WASTE WATER WITH COMPRESSED AIR, A RISING PIPE HAVING AN OUTER WALL FOR CLEAR WATER IN SAID HOUSING, A FALL PIPE FOR SAID CLEAR WATER DISPOSED AXIALLY INWARDLY OF SAID RISING PIPE, FOR RECEIVING OVERFLOW CLEAR WATER FROM SAID RISING PIPE, A PAIR OF WATER OUTLET PIPES, ONE OF SAID PIPES CONNECTED TO SAID RISING PIPE, THE OTHER CONNECTED TO SAID FALL PIPE, A THICKPULP COLLECTING TROUGH FORMED BY THE OUTER WALL OF THE UPPER PORTION OF SAID RISING PIPE AND DISPOSED BETWEEN SAID RISING PIPE OUTER WALL AND THE INNER WALL OF SAID HOUSING, AND A PULP DISCHARGE PIPE COMMUNICATING WITH SAID TROUGH.