Water evaporation apparatus

Details Water evaporation apparatus Water evaporation apparatus

1998-07-23

1999-08-17

Walberg, Teresa

Electric resistance heating devices

Heating devices

Vaporizer

392337, A61H 3312, F22B 130

Patent

active

059405783

ABSTRACT:
A water evaporation apparatus 10 for evaporating water 12 contained in a drum 14 includes a thermally insulated float assembly 16 for floating in the water 12. The float assembly defines a space 18 which is in fluid communication with the water 12 via a hole 22 formed though a bottom wall 24 of the float assembly 16. The float assembly 16 also includes an exhaust stack 26 which extends from the space 18 and has a discharge end 28 located outside the drum 14. A volume of water 20 flows into space 18 through the hole 22. A heater 30 is located within the space 18 and below the level of the water 20 for causing evaporation thereof. This generates steam and other vapours which rise through the stack 26 and are vented through discharge end 28. As the water 20 is evaporated it is replenished by water 12 from the drum 14 flowing through the hole 22 into the space 18. In this way, the water 12 within the drum 14 is progressively evaporated. When the water level within the drum 14 drops to a lowest level L a switch 68 is operated by a stop 70 mounted on the stack 26 to cover power to the heater 30.

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