Ultraviolet light apparatus for fluid purification

• US 5,660,719 A
• Filed: 12/23/1994
• Issued: 08/26/1997
• Est. Priority Date: 12/23/1994
• Status: Expired due to Fees

• Current Assignee: Ideal Horizons, Inc. (ITT, Inc.)
• Original Assignee: Mark E. Kurtz, Paul Albertazzi
• Inventors: Kurtz, Mark E., Albertazzi, Paul
• Primary Examiner(s): McCarthy, Neil
• Application Number:
  US08/363,527
• Time in Patent Office: 977 Days
• Field of Search: 210/748, 210/85, 422/24, 422/186.3, 250/432 R, 250/435-438
• US Class Current: 210/85
• CPC Class Codes: A61L 2/10 Ultraviolet radiation
• CPC Class Codes: B01J 19/123 Ultraviolet light
• CPC Class Codes: C02F 1/325 Irradiation devices or lamp constructions
• CPC Class Codes: C02F 2201/3227 Units with two or more lamps
• CPC Class Codes: C02F 2201/326 Lamp control systems

Abstract

An apparatus for the treatment of a fluid is provided which includes a separate housing and enclosure for containing at least one ballast and electrical means, respectively, to power and control the operation of a plurality of vertically arranged UV lamps that are immersed in a fluid to be treated. Each compartment serves as an individually isolated area for offering greatly enhanced accessibility, maintenance and maximum performance of the various components of an ultraviolet light purification apparatus in the environment intended for its operation and use.

Claims

1. An ultraviolet light apparatus for the purification of a fluid comprising

a plurality of vertically arranged ultraviolet lamps;

means for permitting the lamps to be submerged in the fluid to be treated;

at least one ballast for powering said lamps;

at least one housing for containing the ballast therein;

electrical means providing communication between the ballast and lamps to permit operation of the lamps; and

at least one enclosure disposed intermediate the housing and plurality of UV lamps for the containment of the electrical means therein,

wherein each of the lamps is vertically aligned with said enclosure.

2. The apparatus defined by claim 1 wherein the housing, enclosure and plurality of lamps are vertically aligned relative to each other.

3. The apparatus defined by claim 2 wherein the housing and enclosure interface each other.

4. The apparatus defined by claim 1 wherein the apparatus is provided with a plurality of ballasts for powering said lamps.

5. The apparatus defined by claim 1 wherein the means for permitting the lamps to be submerged in the fluid includes a radiation pervious protective sleeve disposed about each lamp.

6. The apparatus defined by claim 5 wherein the sleeve is constructed of quartz, one end of which is closed and the other end secured within the enclosure in waterproof relationship thereto.

7. The apparatus defined by claim 1 wherein the enclosure is sealed to provide a water-resistant atmosphere for the electrical means therein.

8. The apparatus defined by claim 1 wherein the enclosure is provided with a waterproof seal to prevent the substantial entrainment of moisture therein.

9. The apparatus defined by claim 1 wherein the housing is provided with a means for cooling the ballast therein.

10. The apparatus defined by claim 9 wherein the means for cooling the ballast comprises at least one opening therein for the passage of ambient air into the housing.

11. The apparatus defined by claim 10 wherein the means for cooling the ballast additionally comprises at least one fan operatively communicating with the opening for the circulation of ambient air into the housing.

12. The apparatus defined by claim 11 wherein the housing is provided with a plurality of openings on opposite sides thereof for the passage of ambient air through the housing.

13. The apparatus defined by claim 10 wherein the means for cooling the ballast comprises an air conditioning means or heat exchanger means communicating with the opening in the housing.

14. The apparatus defined by claim 1 wherein the apparatus is provided with a base communicating with a plurality of vertically arranged support legs communicating with the enclosure for supporting the lamps between the enclosure and base.

15. The apparatus defined by claim 1 wherein the electrical means includes lead wires connecting the lamps with detachable couplers disposed within the enclosure.

16. The apparatus defined by claim 1 wherein the ballast includes lead wires communicating with detachable couplers disposed within the housing for detachably connecting the ballast to the electrical means.

17. The apparatus defined by claim 1 wherein the electrical means includes means for generating a signal that is reflective of the functional status of at least one lamp contained within the apparatus.

18. The apparatus defined by claim 1 wherein a sensing means is provided intermediate the base and enclosure for sensing the intensity of ultraviolet light generated by said lamps.

19. The apparatus defined by claim 18 wherein the electrical means includes means for generating a signal that is reflective of the intensity of the ultraviolet light detected by the sensing means.

61. The apparatus defined by claim 2 wherein the housing includes a top cover, side walls, and a bottom wall, and the enclosure includes a top cover, side walls, and a bottom wall.

62. The apparatus defined by claim 61 wherein the top cover of the housing is removable.

63. The apparatus defined by claim 61 wherein the top cover of the enclosure is removable.

64. The apparatus defined by claim 61 wherein the bottom wall of the housing and the top cover of the enclosure are common to each other and define a dividing wall.

65. The apparatus defined by claim 64 wherein the dividing wall is removable from the enclosure.

66. The apparatus defined by claim 65 wherein the dividing wall is connected to the housing and is removable from the enclosure by hinge means secured to a side wall of the housing and enclosure.

20. An ultraviolet light module for the purification of a fluid, comprising

a plurality of vertically arranged ultraviolet lamps;

means for permitting the lamps to be submerged in the fluid to be treated;

a plurality of ballasts for powering said lamps;

at least one housing for containing the ballasts therein;

electrical means providing communication between the ballasts and lamps to permit operation of the lamps;

at least one enclosure disposed intermediate the housing and plurality of UV lamps for the containment of the electrical means therein; and

a base communicating with a plurality of vertically arranged support legs communicating with the enclosure for supporting the lamps between the enclosure and base;

wherein each of the lamps is vertically aligned with said enclosure.

21. The module defined by claim 20 wherein the housing, enclosure and plurality of lamps are vertically aligned relative to each other.

22. The module defined by claim 21 wherein the housing and enclosure interface each other.

23. The module defined by claim 20 wherein the means for permitting the lamps to be submerged in the fluid includes a radiation pervious protective sleeve disposed about each lamp.

24. The module defined by claim 23 wherein the sleeve is constructed of quartz, one end of which is closed and the other end secured to the receptacle in waterproof relationship thereto.

25. The module defined by claim 20 wherein the enclosure is sealed to provide a water-resistant atmosphere for the electrical means therein.

26. The module defined by claim 20 wherein the enclosure is provided with a waterproof seal to prevent the substantial entrainment of moisture therein.

27. The module defined by claim 20 wherein the housing is provided with a means for cooling the ballasts therein.

28. The module defined by claim 27 wherein the means for cooling the ballasts comprises at least one opening therein for the passage of ambient air into the housing.

29. The module defined by claim 28 wherein the means for cooling the ballasts additionally comprises at least one fan operatively communicating with the opening for the circulation of ambient air into the housing.

30. The module defined by claim 29 wherein the housing is provided with a plurality of openings on opposite sides thereof the passage of ambient air through the housing.

31. The module defined by claim 28 wherein the means for cooling the ballasts comprises an air conditioning means or heat exchanger means communicating with the opening in the housing.

32. The module defined by claim 20 wherein the electrical means includes lead wires connecting the lamps with detachable couplers disposed within the enclosure.

33. The module defined by claim 20 wherein the ballasts include lead wires communicating with corresponding detachable couplers disposed within the housing for detachably connecting the ballasts to the electrical means.

34. The module defined by claim 20 wherein the electrical means includes means for generating a signal that is reflective of the functional status of at least one lamp contained within the apparatus.

35. The module defined by claim 20 wherein a sensing means is provided intermediate the base and enclosure for sensing the intensity of ultraviolet light generated by said lamps.

36. The module defined by claim 35 wherein the electrical means includes means for generating a signal that is reflective of the intensity of the ultraviolet light detected by the sensing means.

37. The module defined by claim 20 which additionally includes means for agitating the fluid about the lamps, said means comprising at least one aperture provided in the base of the module about at least one of said lamps communicating with a source of compressed gas for the passage of the gas through said aperture.

38. The module defined by claim 37 wherein a plurality of apertures are provided in the base of the module.

39. The module defined by claim 37 wherein at least one support leg serves as a conduit for the passage of the compressed gas to said base.

40. The module defined by claim 39 wherein the compressed gas is introduced to the leg support from a source external to the module via a conduit provided in the enclosure communicating with the leg support.

67. The module defined by claim 21 wherein the housing includes a top cover, side walls, and a bottom wall, and the enclosure includes a top cover, side walls, and a bottom wall.

68. The module defined by claim 67 wherein the top cover of the housing is removable.

69. The module defined by claim 67 wherein the top cover of the enclosure is removable.

70. The module defined by claim 67 wherein the bottom wall of the housing and the top cover of the enclosure are common to each other and define a dividing wall.

71. The module defined by claim 70 wherein the dividing wall is removable from the enclosure.

72. The module defined by claim 71 wherein the dividing wall is connected to the housing and removable from the enclosure by hinge means secured to a side wall of the housing and enclosure.

41. An apparatus for powering the operation of a plurality of vertically arranged ultraviolet lamps immersed in a fluid for the treatment thereof comprising

at least one housing containing a plurality of ballasts therein for powering said lamps;

and

at least one enclosure disposed intermediate the housing and plurality of lamps for the containment therein of electrical means for operating said lamps;

wherein the housing and enclosure are substantially vertically aligned relative to each other.

42. The apparatus defined by claim 41 wherein the housing and enclosure interface each other.

43. The apparatus defined by claim 41 wherein the enclosure is sealed to provide a water-resistant atmosphere for the electrical means therein.

44. The apparatus defined by claim 41 wherein the enclosure is provided with a waterproof seal to prevent the substantial entrainment of moisture therein.

45. The apparatus defined by claim 41 wherein the housing is provided with a means for cooling the ballasts therein.

46. The apparatus defined by claim 45 wherein the means for cooling the ballasts comprises at least one opening therein for the passage of ambient air into the housing.

47. The apparatus defined by claim 46 wherein the means for cooling the ballasts additionally comprises at least one fan operatively communicating with the opening for the circulation of ambient air into the housing.

48. The apparatus defined by claim 46 wherein the housing is provided with a plurality of openings on opposite sides thereof for the passage of ambient air through the housing.

49. The apparatus defined by claim 46 wherein the means for cooling the ballast comprises an air conditioning means or heat exchanger means communicating with the opening in the housing.

50. The apparatus defined by claim 41 wherein the electrical means includes lead wires connecting the lamps with detachable couplers disposed within the enclosure.

51. The apparatus defined by claim 41 wherein the ballasts include lead wires communicating with corresponding detachable couplers disposed within the housing for detachably connecting the ballasts to the electrical means.

52. The apparatus defined by claim 41 wherein the electrical means includes means for generating a signal that is reflective of the functional status of at least one of the ultraviolet lamps.

53. The apparatus defined by claim 41 wherein a sensing means is provided below the enclosure for sensing the intensity of ultraviolet light generated by said lamps.

54. The apparatus defined by claim 53 wherein the electrical means includes means for generating a signal that is reflective of the intensity of the ultraviolet light detected by the sensing means.

73. The apparatus defined by claim 41 wherein the housing includes a top cover, side walls, and a bottom wall, and the enclosure includes a top cover, side walls, and a bottom wall.

74. The apparatus defined by claim 73 wherein the top cover of the housing is removable.

75. The apparatus defined by claim 73 wherein the top cover of the enclosure is removable.

76. The apparatus defined by claim 73 wherein the bottom wall of the housing and the top cover of the enclosure are common to each other and define a dividing wall.

77. The apparatus defined by claim 76 wherein the dividing wall is removable from the enclosure.

78. The apparatus defined by claim 77 wherein the dividing wall is connected to the housing and removable from the enclosure by hinge means secured to a side wall of the housing and enclosure.

55. In combination,

means comprising a body of fluid to be purified;

an ultraviolet light fluid purification module for incorporation into the body of fluid, comprising

a plurality of vertically arranged ultraviolet lamps positioned in the body of fluid;

a plurality of ballasts for powering the lamps;

at least one housing for containing the ballasts therein;

electrical means providing communication between the ballasts and lamps to permit operation of the lamps;

at least one enclosure disposed intermediate the housing and plurality of UV lamps for the containment of the electrical means therein; and

a base communicating with a plurality of vertically arranged support legs communicating with the enclosure for supporting the lamps between the enclosure and base;

wherein the housing, enclosure and plurality of lamps are vertically aligned relative to each other.

56. The combination defined by claim 55 wherein a plurality of modules are positioned in the body of fluid to be treated.

57. The combination defined by claim 55 wherein the housing and enclosure interface each other.

58. The combination defined by claim 55 wherein the module includes means for permitting the lamps to be submerged in the fluid.

59. The combination defined by claim 58 wherein the means for permitting the lamps to be submerged in the fluid includes a radiation pervious protective sleeve disposed about each lamp, one end of which is closed and the other end secured to the enclosure in waterproof relationship thereto.

60. The combination defined by claim 59 wherein the sleeve is constructed of quartz.