Water purification apparatus

Claim 2

Apparatus for converting contaminated water into substantially pure water which comprises: a base cover; a vertically disposed, cylindrical, heatable water holder on said base cover for heat volatilizing water to vapor form and having a water vapor exit opening at its upper end; a perimetric condensed water receiving trough formed in said base cover outwardly of said water holder for recovering so-volatilized water upon condensation; a vertically axised, enclosing heat exchanger removably positioned on said base cover in sealing engagement therewith outwardly of said trough and in surrounding spaced relation to said water holder, and defining a flow directing condensation area on the interior surface thereof for condensing so-volatilized water emanating from said water vapor exit opening and leading to said trough and a heat dissipation area on the exterior surface of said exchanger including a plurality of cooling fins T-shaped in cross-section with radially outstanding webs from said exterior surface coplanar with the exchanger axis and spaced apart from one another to define therebetween corresponding subdivided cooling air flow spaces; a shroud removably positioned on said heat exchanger in surrounding spaced relation thereto and defining therewith an encompassing peripheral positive flow coolng air passageway outwardly confining the exterior surface of said heat exchanger and fins and in flow exchange communication therealong with said subdivided flow spaces; air entrance and exit means for said air passageway in opposite ends of said shroud; and air moving means operatively positioned on said shrouder for inducing positive flow of cooling air from said entrance to said exit means through said air passageway and across the exterior surface of said heat exchanger and said cooling fins and in flow exchange with the subdivided spaces between said cooling fins, for enhanced accelerated dissipation and removal of the heat from the so-volatilized water as it is condensed on said condensing area.

Claim 3

Apparatus according to claim 1 wherein said trough is provided with a drain outlet, and a removable condensate collecting means is disposed in said base and operatively positioned to collect via said drain outlet the condensate received in said trough.

Claim 4

Apparatus according to claim 1 wherein said shroud and heat exchanger are interconnected for common removable positioning on said base cover.

Claim 5

Apparatus according to claim 1 wherein the juxtapositioning of the flanges of said cooling fins define at their free edges peripherally distributed flow exchange restricting slots for said subdivided flow spaces.

Claim 6

Apparatus according to claim 1 wherein said heat exchanger is provided with a heating element operatively disposed to extent through the vapor exit opening of the water holder and into same for immersion into the water therein to heat volatilize such water.

Claim 7

Apparatus according to claim 5 wherein said heating element and air moving means are electrically operated.

Claim 8

Apparatus for converting contaminated water into substantially pure water which comprises: a base cover; an upright heatable water holder removably positioned on said base for heat volatilizing water to vapor form and having a water vapor exit opening at the upper portion thereof; an intermediately disposed perimetric condensed water receiving trough in said base cover outwardly of said water holder for recovering so-volatilized water vapor upon condensation and provided with a drain outlet; a removable condensate collecting means disposed in said base and operatively positioned to collect via said drain outlet the condensate received in said trough; an upright enclosing heat exchanger removably positioned on said base cover in sealing engagement therewith outwardly of said trough and in surrounding spaced relation to said water holder, and defining a vapor flow directing condensation area on the interior surface thereof for condensing so-volatilized water emanating from said water vapor exit opening and leading to said trough and a heat dissipation area on the exterior surface thereof including a plurality of upright cooling fins extending radially outwardly from said exterior surface and laterally spaced apart from one another to define therebetween corresponding subdivided upright cooling air flow spaces, said cooling fins being T-shaped in cross-section each including opposed laterally extending upright flanges at their free ends which respectively define with the corresponding flange on the next adjacent cooling fin upright flow exchange restricting slots therealong for said subdivided upright flow spaces; an upright shroud interconnected with said heat exchanger for common removable positioning therewith on said base cover and disposed in surrounding spaced relation to said heat exchanger and said cooling fins and defining therewith an encompassing upright peripheral positive flow cooling air passageway outwardly confining the exterior surface of said heat exchanger and in restricted flow exchange communication therealong with said subdivided flow spaces through said slots; a downwardly depending heating element on the upper portion of said heat exchanger and operatively disposed to extend removably into the vapor exit opening of the water holder for immersion into the water therein to heat volatilize such water; external air entrance means for said air passageway at the lower portion of said shroud and correspondingly operatively opposed exit means at the upper portion of said cover; and an air fan supported in the upper portion of said cover and operatively positioned adjacent said exit means for inducing positive flow of cooling air from said entrance to said exit means through said air passageway and across the exterior surface of said heat exchanger and said cooling fins and in restricted flow exchange with the subdivided spaces between said cooling fins, for enhanced accelerated dissipation and removal of the heat from the so-volatilized water as it is condensed on said condensing area.

Claim 9

Apparatus for converting contaminated water into substantially pure water which comprises: a base cover; an upright heatable water holder removably positioned on said base for heat volatilizing water to vapor form and having a water vapor exit opening at the upper portion thereof; an intermediately disposed perimetric condensed water receiving trough in said base cover outwardly of said water holder for recovering so-volatilized water vapor upon condensation and provided with a drain outlet; a removable condensate collecting means disposed in said base and operatively positioned to collect via said drain outlet the condensate received in said trough; an upright enclosing heat exchanger removably positioned on said base cover in sealing engagement therewith outwardly of said trough and in surrounding spaced relation to said water holder, and defining a vapor flow directing condensation area on the interior surface thereof for condensing so-volatilized water emanating from said water vapor exit opening and leading to said trough and a heat dissipation area on the exterior surface thereof including a plurality of upright cooling fins extending radially outwardly from said exterior surface and laterally spaced apart from one another to define therebetween corresponding subdivided upright cooling air flow spaces, said cooling fins being T-shaped in cross-section each including opposed laterally extending upright flanges at their free ends which respectively define with the corresponding flange on the next adjacent cooling fin upright flow exchange restricting slots therealong for said subdivided upright flow spaces; an upright shroud interconnected with said heat exchanger for common removable positioning therewith on said base cover and disposed in surrounding spaced relation to said heat exchanger and said cooling fins and defining therewith an encompassing upright peripheral positive flow cooling air passageway outwardly confining the exterior surface of said heat exchanger and in restricted flow exchange communication therealong with said subdivided flow spaces through said slots; a downwardly depending heating element on the upper portion of said heat exchanger and operatively disposed to extend removably into the vapor exit opening of the water holder for immersion into the water therein to heat volatilize such water; external air entrance means for said air passageway at the lower portion of said shroud and correspondingly operatively opposed exit means at the upper portion of said cover; and an air fan supported in the upper portion of said cover and operatively positioned adjacent said exit means for inducing positive flow of cooling air from said entrance to said exit means through said air passageway and across the exterior surface of said heat exchanger and said cooling fins and in restricted flow exchange with the subdivided spaces between said cooling fins, for enhanced accelerated dissipation and removal of the heat from the so-volatilized water as it is condensed on said condensing area.

Claim 10

Apparatus according to claim 7 wherein said heating element and air fan are electrically operated.