Compression/absorption type combined heat pump suitable for intelligent comprehensive urban energy resource regulation
An absorption heat pump and absorption technology, applied in the direction of machine operation, refrigeration and liquefaction, heating and refrigeration combination, etc., can solve the problems of cogeneration units that are difficult to use effectively and cannot be included in the comprehensive urban energy management system, and achieve Reduce the number of equipment and the space occupied by the equipment, reduce the difficulty of operation, and improve the effect of economic benefits
Inactive Publication Date: 2013-04-03
XI AN JIAOTONG UNIV
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Problems solved by technology
[0015] In order to overcome the shortcomings of the above-mentioned prior art, the present invention designs a compression / absorption combined heat pump suitable for comprehensive regulation and control of intelligent urban energy, which solves the problem of independent operation of existing household or building cooling and heating equipment and cannot be incorporated into urban energy. Problems in the integrated management system and the difficulty of effective use of cogeneration units in summer
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[0042] With the gradual rise of smart grid technology and the vigorous development of the trend of intelligent management of urban comprehensive energy systems, the cooling and heating equipment of homes and buildings still operate independently and lack intelligent control. At the same time, the combined heat and power units in the Northern Power Grid area account for a relatively high proportion of the installed capacity in the grid, but they only operate in the winter heating season to generate electricity and heat. However, in the summer peak load season, the combined heat and power units are idle at this time and do not participate in the grid Internal power generation. However, the cooling power load in summer and the heating power load in winter have repeatedly hit new highs, and the peaking pressure and scheduling difficulties of the power grid continue to increase, posing a great threat to the safe and stable operation of the power grid.
[0043] There are two main re...
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The invention discloses a compression / absorption type combined heat pump suitable for intelligent comprehensive urban energy resource regulation. The heat pump comprises an air source heat pump, an absorption type heat pump, a bilayer water tank and a water supply pipeline device, wherein the air source heat pump comprises a heat exchanger A, a four-channel switching valve A, a compressor, a heat exchanger B and expansion valves. Under the heating mode, refrigerant enters the heat exchanger B, released heat is transmitted to the absorption type heat pump through water media by means of a pipeline, and the refrigerant after absorbing the heat in the absorption type heat pump finally returns to an outer layer of the bilayer water tank for providing hot water for heating; and under the refrigerating mode, the refrigerant absorbs heat of refrigerant water in the heat exchanger B, is transmitted to the absorption type heat pump through the pipeline and finally returns to the outer layer of the bilayer water tank for providing cold water after heat releasing through the absorption type heat pump. The compression / absorption type combined heat pump suitable for intelligent comprehensive urban energy resource regulation solves problems that existing refrigerating devices and heating devices run independently and cannot be brought into a comprehensive urban energy resource management system, and combined heat and power plants can be effectively utilized in summer.
Description
Technical field: [0001] The patent of the present invention relates to household plumbing and water cooling systems, in particular to a compression / absorption combined heat pump suitable for comprehensive regulation and control of intelligent urban energy. Background technique: [0002] 1. Air source heat pump [0003] According to the documents "Development and Application of Heat Pump Technology" and "Technical Development of Air Source Heat Pumps in my country", a heat pump is a kind of heat pump that uses a small amount of high-grade electric energy to convert low-level heat energy that cannot be directly used (such as heat energy contained in air, water, soil, etc.) ) is upgraded to high-level heat energy that can be used, so as to achieve an energy-saving device that saves part of high-level heat energy (such as oil, coal, gas, electricity, etc.). An air source heat pump is a type of heat pump that uses outdoor ambient air as a cold source and heat source to provide co...
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IPC IPC(8): F25B25/02F25B29/00F25B49/00
Inventor 吴锴严旭高建超杨玉龙
Owner XI AN JIAOTONG UNIV