Power cold combined supplying system suitable for recycling temperature varying heat source
A heat source and co-supply technology, applied in energy-saving heating/cooling, machines using waste heat, refrigerators, etc., can solve problems such as inability to work, no implementation methods are given, and no consideration of thermal energy temperature matching, etc., to enhance adaptability, Simplify the condensation process equipment and solve the complex effect of the equipment
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[0044] Example one
[0045] figure 2 It is a schematic structural diagram of a power-cooling cogeneration system suitable for recovering variable temperature heat sources according to the first embodiment of the present invention. In the power-cooling cogeneration system, valves V02, V04, V05 are closed, valves V01, V03 are opened, and ammonia The mixed working medium flows through the high-pressure generator and the low-pressure generator in sequence, and the condensation discharge drives the single- and double-effect composite lithium bromide absorption refrigerator to operate. When the temperature of the variable temperature heat source is low, it is necessary to increase the phase change evaporation temperature rise range of the ammonia water mixture to facilitate the ammonia water Rankine cycle to match the temperature of the variable temperature waste heat source. For the ammonia-water mixture with a large temperature change range during the condensation process, in order ...
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[0047] Example two
[0048] image 3 It is a schematic structural diagram of a power and cooling cogeneration system suitable for recovering variable temperature heat sources according to the second embodiment of the present invention. In the power and cooling cogeneration system, valves V01 and V05 are closed, valves V02, V03, and V04 are opened, and ammonia The mixed working fluid only flows through the low-pressure generator, and runs in the manner of a single-effect lithium bromide absorption chiller driven by an ammonia Rankine cycle. Ammonia Rankine cycle condensation process is: Turbine 3 outlet → Hybrid low-pressure generator 6 → Pump 1 inlet. Among them, the low-pressure generator is the condenser of the ammonia water Rankine cycle, and is also the solution generator of the lithium bromide absorption refrigerator. The condensation heat of the ammonia water Rankine cycle drives the lithium bromide absorption refrigerator to work. In the lithium bromide absorption refrige...
Example Embodiment
[0049] Example three
[0050] Figure 4 It is a schematic structural diagram of a power and cooling cogeneration system suitable for recovering variable temperature heat sources according to the third embodiment of the present invention. In the power and cooling cogeneration system, valves V03 and V04 are closed, and valves V01, V02, and V05 are open. The cooling co-supply system drives the operation of the double-effect lithium bromide absorption chiller with the ammonia Rankine cycle. Ammonia Rankine cycle condensation process is: turbine 3 outlet → high pressure generator 5 → pump 1 inlet. Among them, the high-pressure generator is the condenser of the ammonia water Rankine cycle, and is also the high-pressure generator of the lithium bromide absorption refrigerator. The ammonia water mixture of the ammonia water Rankine cycle is condensed in the high-pressure generator 5 to release heat, and the heat of condensation is used to drive the lithium bromide absorption type The r...
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