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1. WO2016110829 - SYSTÈME ET MÉTHODE DE TRAITEMENT PAR RAYONNEMENT

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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CLAIMS:

1. A radiation treatment unit having an elongated shape and a central longitudinal axis comprising:

(a) a first pipe assembly comprising:

a first coiled pipe for passing therethrough a fluid to be treated and having a first coil inner cylindrical surface defining a first cylindrical cavity; a first radiation source disposed within the first cylindrical cavity; and a first support assembly supporting at least said first coiled pipe,

(b) a second pipe assembly comprising:

a second coiled pipe for passing therethrough a fluid to be treated and having a second coil inner cylindrical surface defining a second cylindrical cavity,

a second radiation source disposed within the second cylindrical cavity; and

a second support assembly supporting at least said second coiled pipe; said second pipe assembly being configured to be coaxially inserted within said first cylindrical cavity so that the second coiled pipe is disposed between said first radiation source and said second radiation source, so that a fluid passing through the first coiled pipe is exposed to an inside radiation of the first radiation source and a fluid passing through the second coiled pipe is exposed to an outside radiation from the first radiation source and an inside radiation from the second radiation source.

2. A radiation treatment unit of Claim 1, wherein parameters of the radiation treatment unit are such that a radiation doze applied to a first treated fluid during its passage through said first coiled pipe is substantially equal to a radiation doze applied to a second treated fluid during its passage through said second coiled pipe.

3. A radiation treatment unit of Claim 2, wherein the parameters are selected from the group consisting of: intensity of the first radiation source, intensity of the second radiation source, time of exposure to the first radiation source of a fluid passing through the first coiled pipe, time of exposure to the second radiation source of a fluid passing through the second coiled pipe, inner and/or outer diameter of the first coiled pipe, inner and/or outer diameter of the second coiled pipe, outer diameter of a first coil defined by the first coiled pipe, outer diameter of a second coil defined by the second coiled pipe, a flow rate of a fluid passing through the first coiled pipe and a flow rate of a fluid passing through the second coiled pipe.

4. A radiation treatment unit of any one of Claims 1 to 3, further comprising a unit holding assembly configured for supporting said first pipe assembly and said second pipe assembly.

5. A radiation treatment unit of Claim 4, wherein the unit holding assembly is configured for allowing an axial movement of at least one of said first pipe assembly and said second pipe assembly with respect to the other of said first pipe assembly and said second pipe assembly.

6. A radiation treatment unit of Claim 5, wherein the unit holding assembly comprises a sliding mechanism allowing the first pipe assembly to slide along said longitudinal axis with respect to the second pipe assembly, allowing thereby an access to the second pipe assembly.

7. A radiation treatment unit of any one of Claims 1 to 6, wherein the first support assembly comprises a couple of first end supports disposed adjacent the ends of the radiation treatment unit and a plurality of first rods extending between said first end supports and configured for holding the first coiled pipe.

8. A radiation treatment unit of Claim 7, wherein the first radiation source is configured to be fixed to said first end supports.

9. A radiation treatment unit of any one of Claims 1 to 8, wherein the second support assembly comprises a couple of second end supports disposed adjacent the ends of the radiation treatment unit and a plurality of second rods extending between said second end supports and configured for holding the second coiled pipe.

10. A radiation treatment unit of Claim 9, wherein the second radiation source is configured to be fixed to said second end supports.

11. A radiation treatment unit of any one of Claims 1 to 10, wherein the first and the second radiation sources are equally spaced from the second coiled pipe.

12. A radiation treatment unit of any one of Claims 1 to 11, wherein a single support assembly serves as both the first support assembly and the second support assembly.

13. A radiation treatment unit of any one of Claims 1 to 12, wherein the first and the second coiled pipes are equally spaced from the first radiation source.

14. A radiation treatment unit of any one of Claims 1 to 13, wherein the first coiled pipe comprises a first smooth inner surface of a diameter Dj and a first coil outer cylindrical surface of a diameter Dcl, satisfying the condition 0.03<D1/Dcl<0.1.

15. A radiation treatment unit of Claim 14, wherein the first coiled pipe satisfies the condition D!/Dcl=0.03.

16. A radiation treatment unit of any one of Claims 1 to 14, wherein the second coiled pipe comprises a second smooth inner surface of a diameter D2 and a second coil outer cylindrical surface of a diameter DC2, satisfying the condition 0.03<D2/DC2 0.1.

17. A radiation treatment unit of Claim 16, wherein the second coiled pipe satisfies the condition D2/Dc2=0.05.

18. A radiation treatment unit of any one of Claims 1 to 17, wherein the first and the second radiation sources comprise a plurality of UV lamps.

19. A radiation treatment unit of Claim 18, wherein each of the lamps is mounted separately to at least one of the first support assembly and the second support assembly. 20. A radiation treatment unit of any one of Claims 1 to 19, further comprising a separating element configured for receiving electrical cables of the first and the second radiation sources.

21. A radiation treatment unit having an elongated shape and a central longitudinal axis, comprising:

(a) a first pipe assembly comprising:

a first coiled pipe for passing therethrough a fluid to be treated and having a first coil inner cylindrical surface defining a first cylindrical cavity; a first radiation source disposed within the first cylindrical cavity; and a first support assembly supporting said first coiled pipe and said first radiation source,

(b) a second pipe assembly comprising:

a second coiled pipe for passing therethrough a fluid to be treated and having a second coil inner cylindrical surface defining a second cylindrical cavity,

a second radiation source disposed within the second cylindrical cavity; and

a second support assembly supporting at said second coiled pipe and said second radiation source;

said second pipe assembly being configured to be coaxially inserted within said first cylindrical cavity so that the second coiled pipe is disposed between said first radiation source and said second radiation source, so that a fluid passing through the first coiled pipe is exposed to an inside radiation of the first radiation source and a fluid passing through the second coiled pipe is exposed to an outside radiation from the first radiation source and an inside radiation from the second radiation source;

(c) a unit holding assembly configured for supporting said first pipe assembly and said second pipe assembly, to allow an axial movement of at least one of said first pipe assembly and said second pipe assembly with respect to the other of said first pipe assembly and said second pipe assembly.

22. A radiation treatment unit of Claim 21, wherein parameters of the radiation treatment unit are such that a radiation doze applied to a first treated fluid during its passage through said first coiled pipe is substantially equal to a radiation doze applied to a second treated fluid during its passage through said second coiled pipe.

23. A radiation treatment unit of Claim 22, wherein the parameters are selected from the group consisting of: intensity of the first radiation source, intensity of the second radiation source, time of exposure to the first radiation source of a fluid passing through the first coiled pipe, time of exposure to the second radiation source of a fluid passing through the second coiled pipe, inner and/or outer diameter of the first coiled pipe, inner and/or outer diameter of the second coiled pipe, outer diameter of a first coil defined by the first coiled pipe, outer diameter of a second coil defined by the second coiled pipe, a flow rate of a fluid passing through the first coiled pipe and a flow rate of a fluid passing through the second coiled pipe.

24. A radiation treatment unit of any one of Claims 21 to 23, wherein the unit holding assembly comprises a sliding mechanism allowing the first pipe assembly to slide along said longitudinal axis with respect to the second pipe assembly, allowing thereby an access to the second pipe assembly.

25. A radiation treatment unit of any one of Claims 21 to 24, wherein the first support assembly comprises a couple of first end supports disposed adjacent ends of the radiation treatment unit and a plurality of first rods extending between said first end supports and configured for holding the first coiled pipe.

26. A radiation treatment unit of Claim 25, wherein the first radiation source is configured to be fixed to said first end supports.

27. A radiation treatment unit of any one of Claims 21 to 26, wherein the second support assembly comprises a couple of second end supports disposed adjacent ends of the radiation treatment unit and a plurality of second rods extending between said second end supports and configured for holding the second coiled pipe.

28. A radiation treatment unit of Claim 27, wherein the second radiation source is configured to be fixed to said second end supports.

29. A radiation treatment unit of any one of Claims 21 to 28, wherein the first and the second radiation sources are equally spaced from the second coiled pipe.

30. A radiation treatment unit of any one of Claims 21 to 29, wherein a single support assembly serves as both the first support assembly and the second support assembly.

31. A radiation treatment unit of any one of Claims 21 to 30, wherein the first and the second coiled pipes are equally spaced from the first radiation source.

32. A radiation treatment unit of any one of Claims 21 to 31, wherein the first coiled pipe comprises a first smooth inner surface of a diameter Dj and a first coil outer cylindrical surface of a diameter Dcl, satisfying the condition 0.03<D!/Dcl<0.1.

33. A radiation treatment unit of Claim 32, wherein the first coiled pipe satisfies the condition D!/Dcl=0.0.5.

34. A radiation treatment unit of any one of Claims 21 to 33, wherein the second coiled pipe comprises a second smooth inner surface of a diameter D2 and a second coil outer cylindrical surface of a diameter DC2, satisfying the condition 0.03<D2/DC2 0.1.

35. A radiation treatment unit of Claim 34, wherein the second coiled pipe satisfies the condition

36. A radiation treatment unit of any one of Claims 21 to 35, wherein the first and the second radiation sources comprise a plurality of UV lamps.

37. A radiation treatment unit of Claim 36, wherein each of the lamps is mounted separately to at least one of the first support assembly and the second support assembly. 38. A radiation treatment unit of any one of Claims 21 to 37, further comprising a separating element configured for receiving electrical cables of the first and the second radiation sources.

39. A radiation treatemnt unit of Claim 1 or 21, wherein at least one of the pipes has an inner diameter d, a thickness t of its wall, an outer surface and a smooth inner surface of a diameter D and extending between two opposite ends spaced from each other by a distance L and a coil outer cylindrical surface of a diameter Dc;

- L= 1,200- 1,700 mm

d= 10 to 25 mm;

- t= 0.63-1.27 mm

D =10-25 mm; and

- Dc meeting the condition: 0.03<D/DC <0.1.

40. A radiation treatment unit having an elongated shape, the unit comprising:

(a) a pipe sub-system comprising a pipe for passing therethrough a fluid to be treated, the pipe having an inner diameter d, a thickness t of its wall, an outer surface and a smooth inner surface of a diameter D and extending between two opposite ends spaced from each other by a distance L in a helically coiled manner so that the coiled pipe has a coil inner cylindrical surface defining a cylindrical cavity and a coil outer cylindrical surface of a diameter Dc;

(b) an inner radiation sub-system disposed within the cylindrical cavity and an outer radiation sub-system disposed outside the coil outer cylindrical surface, each comprising at least one inner radiation source extending along a length corresponding to the length L;

wherein the parameters have the following values:

- L= 1,200- 1,700 mm

d= 10 to 25 mm;

- t= 0.63-1.27 mm

D =10-25 mm; and

- Dc meeting the condition: 0.03<D/DC <0.1.

41. A radiation treatment unit according to Claim 40, wherein the pipe satisfies the condition D/Dc=0.04.

42. A radiation treatment unit according to Claim 40, wherein the pipe satisfies the condition D/Dc=0.05.

43. A radiation treatment unit according to any one of Claims 40-42, wherein the pipe inner diameter is in the range of 10.5 -12.5 mm, more particularly, in the range of 10.8-11.5 mm, more particularly, in the range of 11-11.2.

44. A radiation treatment unit according to any one of Claims 40-43, wherein said wall thickness of the pipe is in the range of 0.7-1 mm, more particularly, in the range of

0.8-0.82mm.

45. A radiation treatment unit according to any one of Claims 40-44, wherein the pipe is made of Fluoropolymers.

46. A radiation treatment unit according to any one of Claims 40-45, wherein the inner and the outer radiation sources are spaced from the coil.

47. A radiation treatment unit according to Claim 46, wherein the spacing between the coil and the corresponding radiation source is between 0.5 and 4cm, more particularly in the range of 0.8-3cm, and more particularly, in the range of 1 to 2cm.

48. A radiation treatment unit according to any one of Claims 40-47, wherein the inner and the outer radiation sources are equally spaced from the coil.

49. A radiation treatment unit according to Claims 40-48, wherein the inner and the outer radiation sources comprise a plurality of UV lamps.

50. A radiation treatment unit according to Claim 49, wherein each of the lamps is mounted separately at the ends of the unit.

51. A radiation treatment unit according to any one of Claims 40-50, having a central axis extending between two opposite ends of the unit, wherein the sub-systems of the radiation treatment unit are coaxially disposed with respect to the central axis.

52. A radiation treatment unit according to any one of Claims 40-51, further comprising a unit holding assembly configured for fixedly mounting thereon the sub-systems of the unit.

53. A radiation treatment unit according to Claim 52, wherein the unit holding assembly comprises two end supports and a plurality of outer fixation rods fixedly connected thereto and extending along a longitudinal axis of the system, at a radial distance therefrom greater than that of the radiation sources and the coiled pipe.

54. A radiation treatment unit according to Claim 53, wherein the unit holding assembly further comprises a central fixation rod extending between the end supports and coaxial with the longitudinal axis.

55. A radiation treatment unit according to Claim 54, wherein said end supports receive therein ends of the radiation sources of both the inner and the outer radiation sub-systems.

56. A radiation treatment unit according to Claim 55, the unit holding assembly further comprises an intermediate support disposed between the end supports, said radiation sources passing through corresponding openings in said intermediate support.

57. A radiation treatment unit according to Claim 56, wherein said intermediate support comprises an intermediate lateral support and an intermediate central support, wherein the at least one radiation source of the inner radiation sub-system passes through corresponding at least one opening in the central support, the at least one outer radiation source passes through a corresponding opening to at least one opening in the intermediate outer support.

58. A radiation treatment unit according to Claim 57, wherein the outer rods pass through corresponding openings in the lateral support and the central rod passes through a corresponding opening in the intermediate support.

59. A radiation treatment unit according to Claim 58, wherein the unit holding assembly further comprises coil pipe supporting brackets projecting radially from the intermediate central support, the brackets having ends optionally received in said end supports.

60. A radiation treatment unit according to Claim 59, wherein the coiled pipe passes through an area between the central and the lateral intermediate supports so that its inner cylindrical surface is in contact with the supporting brackets and its outer cylindrical surface is in contact with the intermediate lateral support.

61. A radiation treatment unit having an elongated shape, the unit comprising:

(a) a pipe sub-system comprising a pipe for passing therethrough a fluid to be treated, the fluid having a density p and a velocity V, the pipe having an outer surface and a smooth inner surface of a diameter D and extending between two opposite ends spaced from each other by a distance L in a helically coiled manner so that the coiled pipe has a coil inner cylindrical surface defining a cylindrical cavity and a coil outer cylindrical surface of a diameter Dc;

(b) an inner radiation sub-system disposed within the cylindrical cavity and an outer radiation sub-system disposed outside the coil outer cylindrical

surface, each comprising at least one inner radiation source extending along a length corresponding to the length L;

wherein the coiled pipe is configured to withstand pressure difference ΔΡ which does not extend 12 bar in by means of its parameters meeting at least the following conditions:

- 0.03<D/DC <0.1;

- ΔΡ = fpV2/20000OL/D

wherein the parameter f is a friction factor.

62. A radiation treatment unit according to Claim 61, wherein the parameter f calculated in accordance


wherein e is absolute roughness of the pipe.

63. A radiation treatment unit according to Claim 61 or 62, having the parameters with the following values:

- L= 1,200- 1,700 mm

d= 10 to 15 mm;

t= 0.63-1.27 mm; and

- D =10-15 mm;

wherein d is an inner diameter of the pipe, and t is a wall thickness of the pipe.

64. A radiation treatment unit according to Claim 63, wherein the pipe satisfies the condition D/Dc=0.05.

65. A radiation treatment unit according to any one of Claims 61 to 64, wherein the pipe inner diameter is in the range 10.5 -12.5 mm, more particularly in the range 10.8-11.5 mm, more particularly, in the range of 11-11.2.

66. A radiation treatment unit according to Claim 63, wherein said wall thickness of the pipe is in the range 0.7-1 mm, more particularly in the range 0.8-0.82mm.

67. A radiation treatment unit according to any one of Claims 61 to 66, wherein the pipe is made of Fluoropolymers.

68. A radiation treatment unit according to any one of Claims 61 to 67, wherein the inner and the outer radiation sources are spaced from the coil.

69. A radiation treatment unit according to Claim 68, wherein the spacing between the coil and the corresponding radiation source is between 0.5 and 4cm, more particularly in the range 0.8-3cm, and more particularly in the range 1 to 2cm.

70. A radiation treatment unit according to any one of Claims 61 to 69, wherein the inner and the outer radiation sources are equally spaced from the coil.

71. A radiation treatment unit according to Claims 61 to 70, wherein the inner and the outer radiation sources comprise a plurality of UV lamps.

72. A radiation treatment unit according to Claim 71, wherein each of the lamps is mounted separately at the ends of the unit.

73. A radiation treatment unit according to any one of Claims 61 to 72, having a central axis extending between two opposite ends of the unit, wherein the sub-systems of the radiation treatment unit are coaxially disposed with respect to the central axis.

74. A radiation treatment unit according to any one of Claims 61 to 73, further comprising a unit holding assembly configured for fixedly mounting thereon the sub-systems of the unit.

75. A radiation treatment unit according to Claim 74, wherein the unit holding assembly comprises two end supports and a plurality of outer fixation rods fixedly connected thereto and extending along a longitudinal axis of the system, at a radial distance therefrom greater than that of the radiation sources and the coiled pipe.

76. A radiation treatment unit according to Claim 75, wherein the unit holding assembly further comprises a central fixation rod extending between the end supports and coaxial with the longitudinal axis.

77. A radiation treatment unit according to Claim 76, wherein said end supports receive therein ends of the radiation sources of both the inner and the outer radiation sub-systems.

78. A radiation treatment unit according to Claim 77, the unit holding assembly further comprises an intermediate support disposed between the end supports, said radiation sources passing through corresponding openings in said intermediate support.

79. A radiation treatment unit according to Claim 78, wherein said intermediate support comprises an intermediate lateral support and an intermediate central support, wherein the at least one radiation source of the inner radiation sub-system passes through corresponding at least one opening in the central support, the at least one outer radiation source passes through corresponding at least one opening in the intermediate outer support.

80. A radiation treatment unit according to Claim 79, wherein the outer rods pass through corresponding openings in the lateral support and the central rod passes through a corresponding opening in the intermediate support.

81. A radiation treatment unit according to Claim 80, wherein the unit holding assembly further comprises coil pipe supporting brackets projecting radially from the intermediate central support, the brackets having ends optionally received in said end supports.

82. A radiation treatment unit according to Claim 81, wherein the coiled pipe passes through an area between the central and the lateral intermediate supports so that its inner cylindrical surface is in contact with the supporting brackets and its outer cylindrical surface is in contact with the intermediate lateral support.

83. A method for using the radiation treatment unit of any one of Claims 61 to 82, comprising passing through the pipe the fluid to be treated thereby exposing it to the radiation for 20 to 30 seconds.

84. A method according to Claim 83, wherein the exposure time is 25 seconds.

85. A radiation treatment system comprising one or more units of any one of Claims 61 to 86.

86. A radiation treatment unit including:

a pipe sub-system comprising a pipe for passing therethrough a fluid to be treated, the pipe having an inner diameter, a thickness t of its wall, an outer surface and a smooth inner surface of a diameter and extending between two opposite ends spaced from each other by a distance in a helically coiled manner so that the coiled pipe has a coil inner cylindrical surface defining a cylindrical cavity and a coil outer cylindrical surface of a diameter;

an inner radiation sub-system disposed within the cylindrical cavity and an outer radiation sub-system disposed outside the coil outer cylindrical surface, each comprising at least one inner radiation source extending along a longitudinal axis of the unit;

a unit holding assembly including two end supports and a plurality of outer fixation rods fixedly connected thereto and extending along a longitudinal axis of the system, at a radial distance therefrom greater than that of the radiation sources and the coiled pipe, said end supports receiving therein ends of the radiation sources of both the inner and the outer radiation sub-systems.

87. A radiation treatment unit according to Claim 86, wherein the unit holding assembly further comprises a central fixation rod extending between the end supports and coaxial with the longitudinal axis.

88. A radiation treatment unit according to Claim 87, wherein said end supports receive therein ends of the radiation sources of both the inner and the outer radiation sub-systems.

89. A radiation treatment unit according to Claim 88, the unit holding assembly further comprises an intermediate support disposed between the end supports, said radiation sources passing through corresponding openings in said intermediate support.

90. A radiation treatment unit according to Claim 89, wherein said intermediate support comprises an intermediate lateral support and an intermediate central support, wherein the at least one radiation source of the inner radiation sub-system passes through corresponding to at least one opening in the central support, the at least one outer radiation source passes through corresponding to at least one opening in the intermediate outer support.

91. A radiation treatment unit according to Claim 90, wherein the outer rods pass through corresponding openings in the lateral support and the central rod passes through a corresponding opening in the intermediate support.

92. A radiation treatment unit according to Claim 91, wherein the unit holding assembly further comprises coil pipe supporting brackets projecting radially from the intermediate central support, the brackets having ends optionally received in said end supports.