| 摘要 |
<p>Provided is a drainage collection system capable of reducing the power for driving the water supply pump and of being operated at low cost. The system is provided with: a buffer tank (30) for holding drainage generated in load equipment (20); an assist tank (40) disposed lower than the buffer tank (30); a first drainage supply line (L2) connecting the load equipment (20) with the buffer tank (30); a second drainage supply line (L3) connecting the buffer tank (30) and the assist tank (40); a drainage supply valve (71) that opens and closes the second drainage supply line (L3); a communicating line (L6) for allowing the assist tank (40) to communicate with the buffer tank (30); a communicating valve (73) that opens and closes the communicating line (L6); a steam supply line (L4) that supplies steam from a boiler (10) to the assist tank (40); a steam supply valve (72) that opens and closes the steam supply line (L4); a water supply line (L7) that supplies drainage from the assist tank (40) to the boiler (10); and a water supply pump (60) disposed in the water supply line (L7).</p> |
