| 摘要 |
PURPOSE: A circulating pump apparatus is provided to prevent a water pipe from freezing in the winter time by heating and circulating the water staying in the water pipe. CONSTITUTION: A circulating pump apparatus comprises a circulating pump body(20), a waterway partition(23), and a propeller(30). The circulating pump body is connected to a water pipe(10) on both ends and circulates the water from one side to the other side. The waterway partition is integrally installed in the circulating pump body to divide water stream to top and bottom. The propeller is installed in the internal space of the circulating pump body and connected to a drive motor(29) in order to circulate water. |
