| 摘要 |
The present invention relates to a dual phase condenser system, including an air-cooled portion, a water-air-cooled portion and a fan. The air-cooled portion can be further divided into two sectors, wherein the external air, drawn by the fan, passing through the second sector of the air-cooled portion first then to the water-air-cooled portion. The ability of air absorbing water vapor can be increased significantly in the water-air-cooled portion due to the increase of vapor pressure deficit (VPD) of the air passing through the air-cooled portion of the condenser. The dual phase condenser system of this invention is a 3-stage air-cooled condenser when shortage of water occurred. By separating gaseous and liquid refrigerants, the ability of removing thermal energy of the refrigerants can be increased. This invention required no extra fans, thus the EER can be increased when compared with the traditional one stage or patented two-stage air-cooled condenser. The dual phase condenser system of this invention is a 2-stage air-cooled plus 1-stage water-air-cooled condenser when water supply is not a constraint. This design retains the advantage of the water-air-cooled condenser when water is available and avoids its inherit disadvantage when no water is available or under humid condition, thus making it more functional than the patented water-air-cooled condenser.
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