1. An ultraviolet irradiation water treatment apparatus comprising:
a vessel comprising
a water inlet pipe,
a side portion which has a cylindrical outer wall and a cylindrical inner wall, the water inlet pipe being provided at the side portion while the inner wall and a part of the outer wall are communicated such that a water is flowed into the vessel in a tangential direction of the inner wall,
a reversely truncated conical discharge portion which is provided at a lower end of the side portion,
a lid which closes an upper end of the side portion, and
a water outlet pipe which is provided on a central axis of the side portion while piercing through the lid;
rod-shaped ultraviolet lamps which are provided in the vessel and disposed in the lid along a central axis of the side portion;
protective tubes which respectively surround the ultraviolet lamps; and
a guide plate having one end which is connected to a connection between the water inlet pipe and the side portion, the guide plate curving to the central axis.
2. An ultraviolet irradiation water treatment apparatus comprising: a vessel including a side portion which has a cylindrical outer wall and a cylindrical inner wall and a reversely truncated conical discharge portion that is provided at a lower end of the side portion;
a connection pipe that is connected to the reversely truncated conical discharge portion;
a contaminant trap container that is connected to the connection pipe to accumulate the water discharged through the connection pipe and contaminant contained in the water;
a water inlet pipe provided at an upper end of the side portion while the inner wall and a part of the outer wall are in fluid communication such that water flows into the vessel in a tangential direction of the inner wall;
a water outlet pipe that is provided on a central axis of the side portion;
rod-shaped ultraviolet lamps that are provided in the vessel along a central axis of the side portion; and
protective tubes that respectively surround the ultraviolet lamps, wherein the water flows into the vessel through the water inlet pipe and flows downward along the tangential direction of the inner wall around the central axis thereof while swirling spirally near outer peripheries of the rod-shaped ultraviolet lamps so that the water rises upward the central axis of the inner wall and is discharged from the water outlet pipe.
3. The ultraviolet irradiation water treatment apparatus according to claim 2, wherein the water outlet pipe is disposed along the central axis, and the water outlet pipe is disposed such that a lower end of the water outlet pipe is located below an intermediate position of a length in an axial direction of the ultraviolet lamps.
4. The ultraviolet irradiation water treatment apparatus according to claim 2, wherein the contaminant trap container is disposed below the connection pipe, and the connection pipe is connected to the contaminant trap container so as to be inserted into the contaminant trap container.
5. The ultraviolet irradiation water treatment apparatus according to claim 2, further comprising:
a cleaning unit configured to scrap the protective tube to wash out a stain;
a drive shaft which drives the cleaning unit while supporting the cleaning unit;
a supporting unit configured to support the cleaning unit while fixing the cleaning unit to the drive shaft, and for moving the cleaning unit along the drive shaft according to rotation of the drive shaft; and
a drive motor which rotates the drive shaft.
6. The ultraviolet irradiation water treatment apparatus according to claim 5, wherein the cleaning unit includes:
a semicircular first guide vane type cleaning plate which is obliquely disposed such that a downstream side of a swirling flow of the water is located below an upstream side;
a semicircular second guide vane type cleaning plate which is coupled to the first guide vane type cleaning plate so as to form a circular shape, the semicircular second guide vane type cleaning plate being obliquely disposed to cause the water to further swirl; and
a coupling component which couples the first guide vane type cleaning plate and the second guide vane type cleaning plate.
7. The ultraviolet irradiation water treatment apparatus according to claim 2, further comprising a lid that closes an upper end of the side portion.
8. The ultraviolet irradiation water treatment apparatus according to claim 2, further comprising a guide plate having one end that is connected to a connection between the water inlet pipe and the side portion, the guide plate curving toward the central axis.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A gas burner head assembly comprising:
a burner head having at least one fuel-air mixture exit port; and
a flange configured to be placed above said burner head so as to horizontally extend beyond said at least one fuel-air mixture port by a first predetermined distance and vertically extend beyond said at least one fuel-air mixture port by a second predetermined distance when placed on said burner head,
and wherein said flange is configured to fully cover from above a gas flame from said fuel-air mixture exit port at a first flame setting of said gas burner and to partially cover from above said gas flame when said gas burner is at a second flame setting.
2. The gas burner head assembly of claim 1 wherein said burner head additionally comprises at least one secondary fuel-air mixture exit port being of smaller diameter than said at least one fuel-air mixture exit port.
3. The gas burner head assembly of claim 1 wherein said first predetermined distance is approximately 0.4 inches (1.02 cm) in length and said second predetermined distance is approximately 0.4 inches (1.02 cm) in length.
4. The gas burner head assembly of claim 3 wherein said at least one fuel-air mixture exit port is approximately 0.1 inches (0.25 cm) in diameter.
5. A flange, comprising:
a body portion; and
means to attach said body portion on top of a gas burner head, wherein said body portion, upon attachment to said burner head, horizontally extends beyond a periphery of said gas burner head by a first predetermined distance and vertically extends beyond said periphery by a second predetermined distance, and wherein said body portion is configured to fully cover from above a gas flame from said gas burner head at a first gas burner setting and to partially cover from above said gas flame at a second gas burner setting.
6. A method, comprising:
placing a flange above a gas burner head such that said flange horizontally extends beyond a periphery of said gas burner head by a first predetermined distance and vertically extends beyond said periphery by a second predetermined distance.
7. The method of claim 6 additionally comprising adjusting the placement of said flange such that said flange fully covers from above a gas flame from said gas burner head at a first gas burner setting and partially covers from above said gas flame at a second gas burner setting.
8. A burner base assembly comprising:
a burner plate having a venturi; and
an orifice enclosure configured to supply a fuel-air mixture to said venturi, said orifice enclosure located proximate to said burner plate, said orifice enclosure and said burner plate being configured such that an air pathway is created between said burner plate and said orifice enclosure to allow air to flow therethrough.
9. The burner base assembly of claim 8 wherein said venturi is one of constructed integrally with said burner plate or attached to said burner plate.
10. The burner base assembly of claim 8 wherein said air pathway is tortuous to prevent liquid from flowing therethrough.
11. The burner base assembly of claim 8 wherein said air pathway created between said burner plate and said orifice enclosure is approximately 0.15 inches (0.38 cm) in height.
12. The burner base assembly of claim 8 wherein said orifice enclosure comprises a protrusion of approximately 0.375 inches (0.953 cm) in height.
13. The burner base assembly of claim 8 wherein said orifice enclosure comprises at least one aperture to allow air to flow therethrough.
14. An assembly, comprising:
a burner base assembly; and
a gas burner head assembly, said gas burner head assembly comprising:
a burner head having at least one fuel-air mixture exit port; and
a flange configured to be placed above said burner head so as to horizontally extend beyond said at least one fuel-air mixture port by a first predetermined distance and vertically extend beyond said at least one fuel-air mixture port by a second predetermined distance when placed on said burner head, and wherein said flange is configured to fully cover from above a gas flame from said fuel-air mixture exit port at a first flame setting of said gas burner and to partially cover from above said gas flame when said gas burner is at a second flame setting.
15. The assembly of claim 14 wherein said burner base assembly comprises:
a burner plate having a venturi; and
an orifice enclosure configured to supply a fuel-air mixture to said venturi, said orifice enclosure located proximate to said burner plate, said orifice enclosure and said burner plate being configured such that an air pathway is created between said burner plate and said orifice enclosure to allow air to flow therethrough.
16. The assembly of claim 15 wherein said air pathway is tortuous to prevent liquid from flowing therethrough.
17. An assembly, comprising:
a gas burner head assembly; and
a burner base assembly, said burner base assembly comprising:
a burner plate having a venturi; and
an orifice enclosure configured to supply a fuel-air mixture to said venturi, said orifice enclosure located proximate to said burner plate, said orifice enclosure and said burner plate being configured such that an air pathway is created between said burner plate and said orifice enclosure to allow air to flow therethrough.
18. The assembly of claim 17 wherein said air pathway is tortuous to prevent liquid from flowing therethrough.
19. The assembly of claim 17 wherein said gas burner head assembly comprises:
a burner head having at least one fuel-air mixture exit port; and
a flange configured to be placed above said burner head so as to horizontally extend beyond said at least one fuel-air mixture port by a first predetermined distance and vertically extend beyond said at least one fuel-air mixture port by a second predetermined distance when placed on said burner head, and wherein said flange is configured to fully cover from above a gas flame from said fuel-air mixture exit port at a first flame setting of said gas burner and to partially cover from above said gas flame when said gas burner is at a second flame setting.