Water heater water-saving system
A water-saving system and water heater technology, which can be applied to solar heating systems, solar collectors, solar collector controllers, etc., can solve problems such as waste of water resources, and achieve cost savings, low costs, and solutions to waste of water resources. Effect
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Embodiment 1
[0016] Such as figure 1 As shown, a water heater water-saving system includes a hot water outlet pipe (1), a first pipeline (2), a water tank (3) and a first valve (4), and one end of the hot water outlet pipe (1) is connected to The water heater (5) is connected, the other end is connected with a water inlet (15) of the indoor three-way regulating valve (6), the other water inlet of the three-way regulating valve (6) is connected with the tap water pipe (7), and the first pipeline One end A of (2) communicates with the hot water outlet pipe (1), the other end B communicates with the water tank (3), and the end A communicates with the water inlet (15) of the hot water outlet pipe (1) of the three-way regulating valve (6). The length of the hot water outlet pipe between ) is not more than 1 meter, the first valve (4) is arranged on the first pipeline (2), and the upper part of the water tank (3) has an opening (8) to communicate with the atmosphere. The first valve (4) is in a...
Embodiment 2
[0018] Such as figure 2 As shown, a water heater water-saving system also includes a water pump (9) on the basis of Embodiment 1, the water heater (5) is a non-pressurized solar water heater, and the water pump (9) is located in the first pipeline (2 ), and the water flow direction of the water pump (9) is that water flows from end B to end A along the first pipeline (2) when the water pump (9) is turned on. Before using hot water, the temperature of the water in the hot water outlet pipe (1) is relatively low. Open the first valve (4), and the low temperature water in the hot water outlet pipe (1) will flow from end A to end A along the first pipeline (2). B, enter in the water tank (3) at last. When the water temperature at the end A is higher, after reaching the water temperature requirement for bathing, close the first valve (4). As the water level of the water tank (3) rises, the upper air in the water tank (3) is discharged into the atmosphere from the opening (8) on ...
Embodiment 3
[0020] Such as image 3 As shown, a water heater water-saving system, on the basis of Embodiment 2, also includes a second pipeline (10) and a second valve (11), one end C of the second pipeline (10) and the first pipe The road (2) communicates between the first valve (4) and the water pump (9), the other end D is connected to the tap water pipe (7), and the second valve (11) is arranged on the second pipeline (10), The first valve (4) and the water pump (9) are sequentially arranged from end B to end A on the first pipeline (2). Some users of non-pressurized solar water heaters have a large height difference between floors and roofs. When only relying on the pressure of tap water for water supply, the water supply pressure is insufficient and the water supply speed is very slow. At this time, a water pump needs to be installed to pressurize the water supply. The present invention sets up a water pump (9) when solving the problem of waste of water resources in the non-pressur...
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