Self-source closed cycle heat pump unit and operating method thereof
A closed-circuit circulation and self-source heat pump technology, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems of weakened heating capacity and failure to operate and use, and achieve strong heating capacity, stable working conditions, and large coefficient of performance Effect
Inactive Publication Date: 2012-09-19
田科
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Problems solved by technology
However, in winter in extremely cold areas above 40 degrees north and south latitudes, due to the very low temperature of groundwater and air, the heating capacity of water source and air source heat pump units is weakened and cannot be used.
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[0008] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0009] Such as figure 1 As shown in , it includes the heat source water side evaporator 1, the heat source water inlet 5, the heat source water outlet 6 of the closed circuit self-source medium temperature unit, the water side condenser 2, the hot water outlet 7, and the hot water return outlet 8. Compressor 3, throttling mechanism 4, heat source water side evaporator 9, heat source water inlet 15, heat source water outlet 16, heat source water side condenser 10 and heat source water inlet 14, Heat source water outlet 13, compressor 11, throttling mechanism 12 and closed circuit source water tank unit 17, water tank heat source water outlet 18, water tank heat source water inlet 19, water pipelines 20, 21, 22, 23, characterized in that When the closed-circuit self-source heat pump unit is initially running, the compressor 11 of the closed...
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The invention relates to a heat pump heating device and an operating method, in particular to a self-source closed cycle heat pump unit and an operating method thereof. The self-source closed cycle heat pump unit comprises a self-source closed cycle medium temperature unit, a self-source closed cycle low temperature unit and a self-source closed cycle water tank unit, and is characterized in that self-source water in the self-source closed cycle water tank unit is respectively connected with the medium temperature unit and the low temperature unit through a water pipeline; when a self-source water closed cycle loop is formed, and the unit is initially operated, the low temperature unit and the water tank unit are required to be start at first; and when the self-source water is gradually circularly heated to the temperature higher than 20 DEG C, the medium temperature unit can be started, and the whole unit is totally operated. In order to solve the problems that the heating capacity of a water source and an air source heat pump unit is reduced and the unit cannot be operated in winter in extremely cold regions with the southern and northern latitudes of over 40 due to low temperature of underground water and air, the unit and the operating method are designed; and moreover, the heat pump unit has the characteristics of not being influenced by environments such as outside water and air temperature conditions, along with high heating capacity, and can be widely applied to heating in winter of the extremely cold regions with the southern and northern latitudes of over 40.
Description
technical field [0001] The invention relates to a heat pump heating device and an operating method, in particular to a closed-circuit self-source heat pump unit and an operating method. Background technique [0002] Water source and air source heat pump units have high thermal energy utilization rate and high heat generation coefficient (coefficient of performance), so using water source and air source heat pump units for heating can save electricity and fuel. However, in winter in extremely cold regions above 40 degrees north and south latitudes, due to the very low temperature of groundwater and air, the heating capacity of water source and air source heat pump units is weakened and cannot be used. In order to solve this problem, the present invention designs a closed-loop self-source heat pump unit and its operating method, which have the characteristics of strong heating capacity and no environmental influences such as external water and air temperature conditions. Con...
Claims
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IPC IPC(8): F24H4/02
Inventor 田科
Owner 田科