COOLED WATER IN HOT WATER PIPE REUSE SYSTEM UTILIZING WATER SAVING FAUCET HAVING DRAIN FUNCTION

摘要

Cold water recycling system in a hot water pipe using a water-saving faucet having a drain function associated with the present invention is connected to the first cold water pipe, a hot water pipe supplied from the boiler and a drain pipe for discharging the cooled hot water in the hot water pipe A faucet configured to open or close a mixture or mixed water of cold water and hot water or to discharge cooled hot water in the hot water pipe; A drain valve disposed on the drain pipe and configured to open and close water in the drain pipe; A controller configured to control the drain valve; A first water tank connected to the drain pipe so as to fill the cooled hot water in the hot water pipe when the drain valve is opened; A second cold water pipe connected to the first water tank and branched from the first cold water pipe; When the water in the first water tank is lower than the first water level, the second cold water pipe is opened to allow water to flow into the first water tank, and when the water in the first water tank reaches the first water level, A water level valve for blocking the second cold water pipe; An overflow pipe configured to discharge water above the second water level from the first water tank when water in the first water tank reaches a second water level higher than the first water level; And a toilet water supply pipe connected to the first water tank at a height equal to or less than the first water level, and configured to flow water stored in the first water tank into a second water tank of the toilet disposed below by its own weight. Can be.