A micro-channel propane direct expansion solar heat pump water heater
A technology of solar heat pump and microchannel, which is applied in the field of solar heat pump and energy heating, can solve the problems of small flow viscosity coefficient, large-scale promotion of flammability and explosion, and low cost and price, and achieve high equipment utilization rate, energy saving and environmental protection effect Significant, reduced energy loss effect
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[0028] The invention discloses a micro-channel propane direct expansion solar heat pump water heater. In order to make the advantages and technical solutions of the invention clearer and clearer, the invention will be described in detail below in conjunction with specific examples.
[0029] combine Figure 1-Figure 4 As shown, the micro-channel propane direct expansion solar heat pump water heater of the present invention includes a heat collector, a condenser, a heat storage tank, an electronic expansion valve and related connecting pipelines, wherein the heat collector as one of the main improvement points of the present invention , which consists of the collector frame, several microchannel pipelines 1, vacuum glass tubes 3, header-4 and vacuum-type glass cover plate, the adjacent microchannel pipelines 1 are connected by header-4, in A vacuum glass tube 3 is sleeved outside each microchannel pipeline. The microchannel pipeline 1 is an arc-shaped flat tube, and its concave ...
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