| 摘要 |
<p>According to the present invention, a heat pump system using backwashing changes a direction of seawater introduced into a seawater heat exchanger to wash the seawater heat exchanger, thereby more easily and conveniently washing the seawater heat exchanger, and being able to continuously use seawater heat source even during the washing of the seawater heat exchanger. Also, the heat pump system using backwashing detects inlet pressure and outlet pressure of the seawater heat exchanger and washes the seawater heat exchanger in accordance with the detected pressure difference, thereby being able to wash the seawater heat exchanger by more promptly and accurately determining a point wherein the seawater heat exchanger needs to be washed, and preventing performance degradation of the seawater heat exchanger by smoothly maintaining flow of seawater. Also, the heat pump system using backwashing detects inlet pressure and outlet pressure of a filter and washes the filter in accordance with the detected pressure difference, such that the filter is washed by accurately determining a point wherein the filter needs to be washed, thereby preventing performance degradation of a system by smoothly maintaining the flow of seawater. According to the present invention, a seawater heat source heat pump system using backwashing includes a seawater heat exchanger absorbing hot air or cold air of seawater; a heat pump receiving the hot air or cold air absorbed into the seawater heat exchanger; a forward seawater supply flow passage supplying seawater in the forward direction passing through an inlet of the seawater heat exchanger; a forward seawater discharge flow passage discharging the seawater heat-exchanged in the seawater heat exchanger in a forward direction passing through an outlet of the seawater heat exchanger; a reverse seawater supply flow passage guiding the seawater to be supplied in the reverse direction passing through the outlet of the seawater heat exchanger when the seawater heat exchanger is being washed; and a reverse seawater discharge flow passage guiding the seawater to be discharged in a reverse direction passing through the inlet of the seawater heat exchanger when the seawater heat exchanger is being washed.</p> |
