▎ 摘　　要

NOVELTY - An assembled decoration radiation heat supply system for recycling bath water, comprising a shower room, the shower room bottom is provided with a temporary water tank; the building wall of the shower room is provided with a heating heat exchange coil pipe; the temporary storage water tank is connected with the heating heat exchange coil pipe through the first pipeline; the shower room is provided with a graphene water storage tank; the temporary water tank is connected with the graphene water storage tank through the second pipeline; the graphene water storage tank is provided with a light catalytic mercury lamp rod. By using the utility model, it can reach the purpose of purifying water; the waste water through photocatalysis purifying water can be used by the waste water taking tap; it is used for watering flower, washing mop and so on; When showering in winter, using the water pump in the temporary storage water tank to inject a part of the shower waste water into the heating and heat exchange coil pipe; the temperature of the building wall body in the shower room is increased by heat exchange, so as to improve the environment temperature of the whole shower room.