| 摘要 |
An apparatus for productively utilizing the heat from waste liquids discarded by industrial plants, such as power plants, for heating and cooling buildings, such as, greenhouses, and to prevent thermal pollution of bodies of water, such as rivers and lakes, into which the waste liquid is ultimately discharged at a low temperature. For heating a building, the heated liquid is discharged directly onto the building roof at the ridge thereof to flow down the sloping roof sides and is then deflected against the side walls of the building for heating the roof and said walls. The liquid is then collected in troughs for recycling through the industrial plant and back to the apparatus, or may be discharged to waste. For cooling the building the heated liquid is discharged by the apparatus upwardly from above the roof to effect evaporative cooling of the droplets. The cool liquid falling on the roof flows down its sloping sides for cooling the building, and is thereafter cascaded over louvers for recooling the liquid, heated by contact with the roof, before the liquid is discharged into the trough from which it can be recycled or carried off to waste.
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