Feeding device for cyclone separators

Claim 1

IN A DEVICE FOR FEEDING A MIXTURE OF PARTICLES TO BE SEPARATED AND A SEPARATORY LIQUID TO A PLURALITY OF HYDRO-CYCLONES UNDER A CONSTANT PRESSURE WHEREIN FIRST AND SECOND VESSELS ARE MOUNTED ABOVE THE CYCLONES AND INCLUDE FIRST CONDUIT MEANS COMMUNICATING WITH THE FIRST VESSEL FOR SUPPLYING A FIRST PORTION OF THE SEPARATORY LIQUID TO THE DEVICE FROM EXTERIORLY OF THE FIRST VESSEL, SECOND CONDUIT MEANS COMMUNICATING WITH THE FIRST VESSEL FOR DIRECTING AN OVERFLOW FROM THE FIRST VESSEL AND THRID CONDUIT MEANS COMMUNICATING BETWEEN SAID FIRST VESSEL AND SAID SECOND VESSEL FOR DELIVERING SEPARATORY LIQUID FROM THE FIRST VESSEL TO THE SECOND VESSEL, AND FURTHER INCLUDING FOURTH CONDUIT MEANS COMMUNICATING WITH THE SECOND VESSEL FOR SUPPLY THE PARTICLES TO BE SEPARATED AND A SECOND PORTION OF THE SEPARATORY LIQUID TO THE DEVICE FROM EXTERIORLY OF THE SECOND VESSEL, AND A DISCHARGE CONDUIT COMMUNICATING AT ONE END THEREOF WITH THE SECOND VESSEL AND IN OPEN COMMUNICATION AT THE OTHER END THEREOF WITH THE PLURALITY OF HYDRO-CYCLONES FOR DIRECTING THE FIRST AND SECOND PORTIONS OF THE SEPARATORY LIQUID AND THE PARTICLES TO BE SEPARATED, COMBINED, TO THE PLURALITY OF HYDROCYCLONES, THE IMPROVEMENT COMPRISING: SAID THIRD CONDUIT MEANS BEING ARRANGED TO DISCHARGE MATERIAL TANGENTIALLY INTO SADI SECOND VESSEL; SAID DISCHARGE CONDUIT OTHER END OPENING INTO AND IN COMMUNICATION WITH MEANS DEFINING A RADIALLY SYMMETRICAL VORTEX CHAMBER; AND MEANS DEFINING A PLURALITY OF ANGULARLY SPACED TANGENTIALLY DIRECTED OUTLET PIPES COMMUNICATING AT THE RADIALLY INNER ENDS THEREOF WITH SAID VORTEX CHAMBER AT THE PERIPHERY THEREOF; SAID OUTLET PIPES PROJECTING IN THE SAME TANGENTIAL SENSE AS SAID THIRD CONDUIT MEANS, THE OUTLET PIPES BEING CONSTRUCTED AND ARRANGED FOR CONNECTION TO THE PLURALITY OF HYDRO-CYCLONES AS THE INLET MEANS THERETO.