Low grade energy driven and mechanical power driven composite refrigeration system low pressure module
A technology of composite refrigeration and mechanical work, applied in refrigerators, refrigeration and liquefaction, energy-saving heating/cooling, etc., can solve the problems of discontinuous solar radiation itself, high temperature requirements of heat sources, low efficiency, etc., to simplify peripheral equipment, transmission The effect of improving heat and mass transfer efficiency and reducing costs
Inactive Publication Date: 2007-10-17
ZHEJIANG UNIV
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Problems solved by technology
[0003] For conventional low-grade energy, especially solar heat driven heat pumps, low efficiency of refrigeration cycles, high temperature requirements for heat sources, and difficulty in adapting to the discontinuity and instability of solar radiation itself, which have been plaguing the promotion of solar heat pumps and refrigeration, based on heat (cold) Quantitative Grading Principle
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[0013] As shown in the drawings, the cooling water inlet pipe 4 in the low-pressure module of the low-grade energy-driven and mechanical power-driven composite refrigeration system is connected to the cooling water distribution pipe 5, one end of the first absorber 6 or one end of the second absorber 7, and the second The first absorber 6 and the second absorber 7 are connected through the left connecting plate 8 of the absorber and the right connecting plate 9 of the absorber. The other end or the other end of the second absorber 7 is connected to the cooling water confluence pipe 10 and the cooling water outlet pipe 11, and the first absorber 6 is placed at the bottom of the sealed low-pressure box body 1, at a distance above the second absorber 7 The concentrated solution dripping device assembly is provided at a place greater than 5mm. The concentrated solution dripping device assembly is connected by the concentrated solution inlet pipe 14 and the concentrated solution dri...
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The invention discloses a low-pressure module of low-grade energy driving and mechanical power driving composite refrigeration system. Absorber assembly is arranged at bottom of tank, concentrated solution dripping device assembly is arranged above the absorber, and water-carrying disk assembly is arranged above the concentrated solution dripping device assembly, and evaporator assembly is arranged on the water-carrying disk assembly, and refrigerant dripping assembly is arranged above the evaporator assembly, and various tubes entering and going-out of the tank are welded to the body of low-pressure tank. The invention simplified peripheral equipment of the composite refrigeration system, and reduces its volume and cost, and improves its reliability. The absorption procedure and evaporation procedure of the composite refrigeration system are implemented in a same closed space, so that heat transmission efficiency and medium transmission efficiency can be greatly improved. The invention can utilize the low-grade energy in high efficiency, provides guarantee for implementing patent CN1916530A, and is especially fit for the low-grade energy driving and mechanical power driving composite refrigeration system.
Description
technical field [0001] The invention relates to a low-pressure module of a composite refrigeration system driven by low-grade energy and mechanical work. Background technique [0002] Today, with the rapid increase in fuel prices, energy conservation and environmental protection have become the theme of the times. As a main force of energy consumption, the energy consumed by refrigeration and air conditioning accounts for a large proportion in both the industrial field and the living field. On the one hand, my country's reserves of fossil energy such as oil, natural gas, and coal are very limited on a per capita basis. It is relatively arid, the land is severely desertified, and the environmental tolerance is weak. The development and utilization of fossil energy is likely to bring very adverse effects on the environment. On the other hand, a large amount of low-grade energy is not well utilized in industry and other fields. In particular, solar energy is a clean and renew...
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IPC IPC(8): F25B27/00F25B15/06F25B15/00
CPCY02B30/62Y02A30/27
Inventor 陈光明李斌唐黎明何一坚何丽娟
Owner ZHEJIANG UNIV