Cold and hot divided type multi-configuration dual heat source heating system with heat pump
A heating system and a separate technology, which is applied in the field of cold and hot separated multi-configuration dual heat source heating systems, can solve the problem of storage of cold and hot separated multi configuration control methods that cannot be achieved and cannot be used in dual heat source heating systems. Thermal advantages and other issues to achieve the effect of improving utilization, improving thermal efficiency and heating capacity, and reducing energy consumption
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Embodiment 1
[0044] Such as image 3 As shown, the cold and heat separated multi-configuration dual heat source heating system with a heat pump includes a heat demand side device 10 and a first heat source 1 as a supply side device, a second heat source 4, a hot water storage tank 12, The first circulation pump 5, each device is connected through pipelines, and the pipelines are provided with control valves 2, 6, 7, 9, 11 and three-way reversing and regulating valves 8, 13, 15, supply side devices, heat demand side devices And the connecting pipeline runs with water as the first working fluid, and the system also includes a heat pump. The structure of the heat pump is shown in figure 2 , including the first heat exchanger 14, the second heat exchanger 18, the compressor unit R, the second circulation pump 17, the second working fluid is operated in the heat pump, the first heat exchanger 14 and the second heat exchanger in the heat pump The devices 18 are all connected to the heating sys...
Embodiment 2
[0077] Figure 4 Shown is another embodiment of the heating system of the present invention, with image 3 Compared with the first embodiment, this heating system adds a pipeline between the port K3 of the second heat source 4 and the port K2 of the first heat source 1, and a control valve 3 is arranged on the pipeline. The second heat source 4, in addition to maintaining the low-temperature heat source in Embodiment 1, can also increase auxiliary heating heat sources such as electric heating, gas heating, etc. in series or in parallel, so as to heat the first working fluid in the system to the required temperature. .
[0078] With the increase of the control valve 3 and its pipeline and the increase of the auxiliary heating heat source in the second heat source, Figure 4 Embodiment 2 of Embodiment 2 can realize all the configurations of Embodiment 1 under the condition that the control valve 3 and the auxiliary heating heat source are closed, and the following configuratio...
Embodiment 3
[0100] Figure 5 Shown is yet another embodiment of the heating system of the present invention, with Figure 4 Compared with Example 2, the heating system adds a pipeline between the outlet of the first circulation pump 5 and the port K1 of the first heat source 1, and a control valve 22 is arranged on the pipeline, so that the above-mentioned combination In state 15, the first working fluid output by the first circulation pump 5 can return to the port K1 of the first heat source 1 through the three-way reversing and regulating valve 13 and the valve 22 in sequence, without going through the first heat exchanger 14 again .
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