| 摘要 |
This invention is an apparatus for water purification by distillation. It consists of an upper compartment which is its primary condenser, and a lower compartment which stores the unpurified cold and partly heated water and a heating unit which changes this water into steam. The primary condenser converts the steam into distilled water by means of a number of spiral coolant tubes; and any water vapor or steam which escaped the condensing action in the primary condenser is carried to a secondary condenser in which the condensation is completed. The invention is also provided with means for returning overflow boiling water, and partly heated coolant water from the cooling coils, back to the lower compartment water supply, to be boiled again.
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