Distillation: processes – separatory – With measuring – testing or inspecting
Patent
1988-02-25
1991-06-04
Bascomb, Wilbur
Distillation: processes, separatory
With measuring, testing or inspecting
203 4, 203 7, 203 10, 203DIG11, 203DIG17, 203DIG18, 202181, 202206, 202241, 137392, 340620, B01D 342
Patent
active
050211285
ABSTRACT:
A control for a water distillation apparatus admits untreated feed water to the boiling tank in response to a demand for the production of distilled water and operates the heater to produce steam. Level probes in the boiling tank monitors the level of untreated water in the boiling tank and admits more feed water as necessary. When demand for production of distilled water has ceased, the heater is deenergized and the boiling tank is filled to dilute the residual water in the tank and lower its temperature prior to drainage to prevent damage to a plastic house drain. In a preferred embodiment, feed water is admitted to the boiling tank in large batches and the production of distilled water continues uninterrupted until the entire batch is distilled to conserve heat energy even if demand ceases during such batch distillation. A cleaning mode is provided to remove scale from the interior of the boiling tank with a simplified manual cleaning procedure. A steam cleaning mode for the distilled water holding tank is self-terminating to avoid damage to the outlet pump.
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Copending Application Ser. No. 030,353 for a Water Supply System, filed 3/26/87 (drawings enclosed).
Copending Application Ser. No. 024,257 for a Water Purification Method & Apparatus, filed 3/10/87 (drawings enclosed).
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Publication by Pure Water, Inc. entitled MidiStill-MidiStill D Instructions for Assembly & Coperation, Copyright 1981.
Copending Application Ser. No. 166,509 for a Control For Modular Water Distiller, filed 3/10/88 (drawings enclosed).
Bascomb Wilbur
Pure Water, Inc.
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