Heat exchange vessel

Claim 1

A HEAT EXCHANGER VESSEL WHICH COMPRISES A SUBSTANTIALLY RIGID HOLLOW CASING BODY PART FORMED OF A SYNTHETIC PLASTIC MATERIAL AND HAVING A PAIR OF OPPOSITELY DISPOSED WALLS IN PARALLEL PLANES PROVIDING A FIRST AND A SECOND WALL, A PLURALITY OF PAIRS OF OPPOSITELY DISPOSED WALL APERTURES, THE FIRST OF EACH OF APERTURES BEING IN THE FIRST WALL OF SAID PAIR OF WALLS AND THE SECOND OF EACH PAIR OF APERTURES BEING IN THE SECOND OF SAID PAIR OF WALLS, EACH OF SAID PAIRS OF APERTURES BEING IN AXIAL ALIGNMENT, A GRAPHITE TUBE HAVING A FLUID PASSAGEWAY THERETHROUGH AND HAVING A FIRST END AND A SECOND END MOUNTED IN SAID CASING FOR EACH PAIR OF OPPOSITELY DISPOSED AXIALLY ALIGNED APERTURES AND MOUNTED IN AXIAL ALIGNMENT THEREWITH, WITH THE FIRST END OF SAID TUBE ABUTTING THE INSIDE SURFACE OF SAID FIRST WALL IN AN ANNULAR AREA SURROUNDING THE FIRST OF THAT PAIR OF ALIGNED APERTURES BUT NOT EXTENDING THROUGH SAID FIRST WALL AND WITH THE SECOND END OF SAID TUBE ABUTTING THE INSIDE SURFACE OF SAID SECOND WALL IN AN AREA SURROUNDING THE SECOND OF THAT PAIR OF OF ALIGNED APERTURES, BUT NOT EXTENDING THROUGH SAID SECOND WALL, A PLURALITY OF HOLLOW CAP MEMBERS MOUNTED ON AND HAVING AN END ABUTTING THE OUTSIDE SURFACE OF SAID FIRST WALL AND A PLURALITY OF HOLLOW CAP MEMBERS MOUNTED ON AND HAVING AN END ABUTTING THE OUTSIDE SURFACE OF SAID SECOND WALL, EACH OF SAID CAP MEMBERS HAVING AT LEAST TWO APERTURES IN REGISTRY WITH TWO WALL APERTURES, PROVIDING FLUID PASSAGEWAY THROUGH EACH OF SAID HOLLOW CAP MEMBERS, EACH CAP MEMBER MOUNTED ON SAID FIRST WALL BEING MOUNTED WITH AN END PORTION ABUTTING THE OUTSIDE SURFACE OF SAID FIRST WALL IN AN AREA SURROUNDING AN APERTURE IN SAID FIRST WALL AND WITH ANOTHER END PORTION ABUTTING THE OUTSIDE SURFACE OF SAID FIRST WALL IN AN AREAS SURROUNDING AN ADJACENT APERTURE IN SAID FIRST WALL AND EACH CAP MEMBER MOUNTED ON SAID SECOND WALL BEING MOUNTED WITH AN END PORTION ABUTTING THE OUTSIDE SURFACE OF SAID SECOND WALL IN AN AREA SURROUNDING AN APERTURE IN SAID SECOND WALL AND WITH ANOTHER END PORTION ABUTTING THE OUTSIDE SURFACE OF SAID SECOND WALL IN AN AREA SURROUNDING AN ADJACENT APERTURE IN SAID SECOND WALL, A TIE ROD EXTENDING AXIALLY THROUGH EACH GRAPHITE TUBE AND THROUGH THE FIRST AND SECOND OF THE PAIR OF APERTURES WITH WHICH THAT GRAPHITE TUBE IS ALIGNED, EACH OF SAID TIE RODS HAVING A FIRST END PORTION EXTENDING THROUGH A HOLLOW PORTION OF A CAP MEMBER ON SAID FIRST WALL WITH AN END PORTION EXPOSED ON THE OUTSIDE OF THAT CAP MEMBER AND HAVING A SECOND END PORTION EXTENDING THROUGH A HOLLOW PORTION OF A CAP MEMBER ON SAID SECOND WALL WITH AN END PORTION EXPOSED ON THE OUTSIDE OF THAT CAP MEMBER, ADJUSTABLE TIGHTENING MEANS ON EACH EXPOSED END PORTION OF EACH TIE ROD AND A RESILIENT PAD MOUNTED ON EACH EXPOSED END PORTION OF EACH TIE ROD BETWEEN ITS TIGHTENING MEANS AND ITS CONNECTED CAP MEMBER, SAID TIGHTENING MEANS WHEN TIGHTENED ON SAID RODS PUTTING SAID TIE RODS UNDER TENSION AND CLAMPING SAID WALLS BETWEEN THE ENDS OF THE GRAPHITE TUBES AND SAID HOLLOW CAP MEMBRS TO PROVIDE FLUID TIGHT PASSAGEWAY FOR HEAT EXCHANGE FLUID PASSING THROUGH SAID TUBES AND HOLLOW CAP MEMBERS AND MEANS FOR SUPPLYING ANOTHER HEAT EXCHANGE FLUID TO THE INTERIOR OF SAID CASING IN THE SPACE OUTSIDE OF SAID TUBES AND FOR REMOVING SAID HEAT EXCHANGE FLUID FROM SAID SPACE.