Apparatus for dispensing chlorine dioxide

Claim 1

AN APPARATUS FOR PREPARING A DILUTE MIXTURE OF CHLORINE DIOXIDE AND AIR FROM CHLORINE DIOXIDE HYDRATE WHICH COMPRISES A MIXING TANK, MEANS FOR FILLING THE TANK WITH WATER, A VERTICALLY MOVABLE PISTON IN SAID TANK, MEANS ON THE PISTON TO PROVIDE A SEAL BETWEEN THE PISTON AND THE WALLS OF THE TANK, MEANS FOR AGITATING THE CONTENTS OF THE TANK TO DISSOLVE CHLORINE DIOXIDE HYDRATE, A STORAGE TANK, MEANS FOR TRANSFERRING THE SOLUTION FROM THE MIXING TANK TO THE STORAGE TANK INCLUDING A PIPE CONNECTING SAID MIXING TANK AND SAID STORAGE TANK, SAID STORAGE TANK COMPRISING VERTICALLY DISPLACEABLE MEANS MOUNTED THEREIN DIVIDING IT INTO A WATER COMPARTMENT AND A SOLUTION STORAGE COMPARTMENT, A STRIPPING TOWER, A CONDUIT CONNECTING THE STORAGE COMPARTMENT TO THE TOP OF SAID STRIPPING TOWER, MEANS FOR INTRODUCING WATER AT CONSTANT PRESSURE INTO THE WATER COMPARTMENT TO DISPLACE THE DISPLACEABLE MEANS AND FORCE SOLUTION FROM THE SOLUTION COMPARTMENT THROUGH SAID CONDUIT AS THE SOLE MEANS FOR TRANSFERRING SOLUTION FROM THE STORAGE COMPARTMENT TO SAID TOWER, FLOW CONTROL MEANS AND FLOW METERING MEANS IN SAID CONDUIT, MEANS FOR INTRODUCING AIR NEAR THE BOTTOM OF SAID TOWER TO PASS IT COUNTERCURRENT TO SAID SOLUTION, MEANS FROM THE TOP OF THE TOWER FOR PASSING THE RESULANT AIRCHLORINE DIOXIDE MIXTURE TO A POINT OF USE, AND MEANS FOR WITHDRAWING STRIPPED WATER FROM THE BOTTOM OF THE TOWER.

Claim 2

AN APPARATUS FOR PREPARING A DILUTE MIXTURE OF CHLORINE DIOXIDE AND AIR FROM CHLORINE DIOXIDE HYDRATE WHICH COMPRISES A MIXING TANK, MEANS FOR FILLING THE TANK WITH WATER, A VERTICALLY MOVABLE PISTON IN SAID TANK, MEANS ON THE PISTON TO PROVIDE A SEAL BETWEEN THE PISTON AND THE WALLS OF THE TANK, MEANS FOR AGITATING THE CONTENTS OF THE TANK TO DISSOLVE CHLORINE DIOXIDE HYDRATE, A STORAGE TANK, MEANS FOR TRANSFERRING THE SOLUTION FROM THE MIXING TANK TO THE STORAGE TANK INCLUDING A PIPE CONNECTING SAID MIXING TANK AND SAID STORAGE TANK, SAID STORAGE TANK COMPRISING VERTICALLY DISPLACEABLE MEANS MOUNTED THEREIN DIVIDING IT INTO A WATER COMPARTMENT AND A SOLUTION STORAGE COMPARTMENT, A STRIPPING TOWER, A CONDUIT CONNECTING THE STORAGE COMPARTMENT TO THE TOP OF SAID STRIPPING TOWER, MEANS FOR INTRODUCING WATER AT CONSTANT PRESSURE INTO THE WATER COMPARTMENT TO DISPLACE THE DISPLACEABLE MEANS AND FORCE SOLUTION FROM THE SOLUTION COMPARTMENT THROUGH SAID CONDUIT AS THE SOLE MEANS FOR TRANSFERRING SOLUTION FROM THE STORAGE COMPARTMENT TO SAID TOWER, FLOW CONTROL MEANS AND FLOW METERING MEANS IN SAID CONDUIT, MEANS FOR INTRODUCING AIR NEAR THE BOTTOM OF SAID TOWER TO PASS IT COUNTERCURRENT TO SAID SOLUTION, MEANS FROM THE TOP OF THE TOWER FOR PASSING THE RESULANT AIRCHLORINE DIOXIDE MIXTURE TO A POINT OF USE, AND MEANS FOR WITHDRAWING STRIPPED WATER FROM THE BOTTOM OF THE TOWER.