Device for continuous bleaching of cellulose

Claim 1

A DEVICE FOR CONTINUOUS BLEACHING OF CELLULOSE PULP COMPRISING: AN UPRIGHT CYLINDRICAL REACTION CONTAINER; OUTLET MEANS NEAR THE BOTTOM OF SAID CONTAINER CONSTRUCTED TO DISCHARGE PULP MIXED WITH LIQUID FROM SAID CONTAINER; AN IMPERFORATE UPRIGHT TUBE MEANS CONSTRUCTED TO DISCHARGE PULP MIXED WITH BLEACHING AGENT INTO SAID CONTAINER, SAID TUBE BEING ARRANGED GENERALLY CONCENTRIC WITHIN SAID CONTIANER AND TERMINATING IN AN OPEN UPPER END PROVIDING THE ONLY COMMUNICATION BETWEEN SAID TUBE AND SAID CONTAINER; FIRST CONDUIT MEANS COMMUNICATING THROUGH ONE OF ITS ENDS WITH THE LOWER END OF SAID TUBE MEANS AND TERMINATING AT ITS OTHER END EXTERIORLY OF SAID CONTAINER FOR FEEDING PULP AND BLEACHING AGENT INTO THE LOWER END OF SAID FIRST CONDUIT MEANS FOR DELIVERING PULP THEREINTO; SECOND CONDUIT MEANS CONNECTED TO SAID FIRST CONDUIT MEANS FOR DELIVERING BLEACHING AGENT THEREINTO; AND STIRRING MEANS ASSOCIATED WITH SAID FIRST CONDUIT MEANS FOR MIXING THE PULP AND THE BLEACHING AGENT.