| 摘要 |
The present invention relates to a waste heat collecting apparatus, and, specifically, to a waste heat collecting apparatus (1) which is installed at the directly lower side of the drain trap (a3) of an existing water supply facility so that waste water in the drain trap (a3) can be drained after collected, and which has a heat exchange pipe (5) installed therein and connected with a pipe branching off from a cold-water pipe (a2), wherein the existing water supply facility for draining the waste water, which is discharged from the mixing faucet (a), to the drain trap (a3) comprises: a mixing faucet (a); a hot-water pipe (a1) connected to the mixing faucet (a), and receiving hot-water through a main hot-water pipe (103) connected to a boiler (101); and the cold-water pipe (a2) connected to the mixing faucet (a), and receiving cold water from the main cold-water pipe (105). |
