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Distributed energy island system

A distributed energy and heat storage system technology, applied in the field of distributed energy island systems, can solve the problems of low recovery rate and difficulty in recycling waste heat resources, and achieve the effect of improving operating efficiency

Inactive Publication Date: 2018-08-24
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the deficiencies of the prior art, the present invention provides a distributed energy island system, which can solve the difficulty in recovering waste heat resources and the recovery rate caused by the characteristics of industrial waste heat diversification, multiple temperature sections and instability low problem

Method used

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Effect test

Embodiment 1

[0017] Such as figure 1 As described above, a distributed energy island system, the system includes a multi-stage waste heat recovery system 1, a heat storage system 2 and a waste heat utilization system, wherein the waste heat utilization system includes a hot water heat exchanger 31, a power generation system 4 and an absorption refrigeration system Machine 51, by recovering the heated heat transfer oil, it first enters the evaporator 41 of the power generation system 4 to heat the organic working medium to drive the power generation system to generate electric energy, and then heats the cold water through the hot water heat exchanger 31 to generate hot water as domestic hot water or heating heat The water generates heat energy, and the hot water enters the absorption refrigerator 51 and the generator 511 acts as a driving heat source to drive the refrigerator to run, generate cold energy, and realize cogeneration of cold and electricity.

[0018] The power generation system...

Embodiment 2

[0027] By controlling the switches of different control valves, the switching of different systems and functions of the heat storage system 2, the power generation system 4, the heating system 3, the refrigeration system 5 and the oil supplement mode can be realized, and the waste heat recovery system 1 can recover industrial waste heat for heating and conduction Oil, open the control valve I9, close the control valve II10, the heat of the heat transfer oil can be stored in the heat storage tank 21 to achieve the purpose of storing surplus heat, which is used for system load peak regulation and provides a stable heat source to ensure the stability of the power generation system 4 It operates under working conditions, which improves the operating efficiency of the system.

[0028] Open control valve Ⅲ11 and control valve Ⅺ19, close control valve Ⅳ12, the power generation system 4 works, the high-temperature heat transfer oil enters the evaporator 41 to heat the organic working m...

Embodiment 3

[0030] Open the control valve Ⅰ9, the heat transfer oil enters the heat storage system 2 after being heated by the waste heat recovery system 1, opens the control valve Ⅲ11, enters the evaporator 41 of the power generation system 4, opens the control valve Ⅵ14, closes the control valve Ⅴ13, and the heat transfer oil enters the hot water exchange Heater 31, open control valve VII15 cold water enters hot water heat exchanger 31 and heat transfer oil from evaporator 41 of power generation system 4 for heat exchange, the heated hot water can provide domestic hot water and can be used for heating in winter. Therefore, the waste heat recovery system 1, the heat storage system 2, the power generation system 4 and the heating system constitute an embodiment of the present invention. This embodiment not only adds heat storage devices to recover intermittently discharged waste heat resources and store surplus heat for peak load regulation of the system and provide a stable heat source to...

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Abstract

The invention discloses a distributed energy island system. The system comprises a waste heat recovering system, a heat storing system and a waste heat utilizing system, wherein heat transferring oilcircularly flows through the waste heat recovering system to realize heat recovering, and thus temperature increasing is achieved; the heat is stored into a heat storing tank through the heat storingsystem; an outlet of the waste heat recovering system is connected to a heat source inlet of the heat storing system through a control valve I; a heat source outlet of the heat storing system is connected to the waste heat utilization system through a control valve III; the waste heat recovering system directly communicates with the waste heat utilization system through a control valve II. According to the system, a heat storing device is additionally arranged and used for recovering the intermittently-discharged waste heat resource and storing surplus heat and utilizing the recovered intermittently-discharged waste heat resource and the stored surplus heat to realize peak load regulation of the system and supply a stable heat source, thus a power generation system can run in a stable condition, and the system running efficiency is improved; a waste heat recovering system integrating recovering function, storing function and utilizing function is formed, and cold, heat and electricitytri-generation is realized; and a distributed energy island is formed to maximum the utilization of the waste heat resource.

Description

technical field [0001] The invention relates to an energy island system, in particular to a distributed energy island system. Background technique [0002] At present, industrial waste heat resources are abundant and have great potential for recovery. However, there are many types of waste heat sources, wide temperature ranges, scattered and unstable resources, and problems such as intermittent fluctuations and corrosion, which make the recovery of waste heat resources more difficult and the resource recovery rate is low. . Scientific use of energy refers to "use of energy according to quality and cascade utilization". In order to ensure the full and effective use of waste heat resources and ensure the continuous, stable and reliable operation of the recovery system, it is necessary to measure the heat transfer waste heat of gases and liquids at different temperature intensities according to the quantity and quality. Classify, match the best heat exchange equipment, realize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D11/00F25B15/06F25B27/02F28D20/02F28D21/00F01K11/02F01K25/10
CPCF01K11/02F01K25/10F24D11/005F24D2200/16F24D2220/06F24D2220/10F25B15/06F25B27/02F28D20/021F28D21/0001Y02A30/274Y02A30/60Y02B30/625Y02E60/14
Inventor 陈丽萍蔡亮陈涛李光华张小松
Owner SOUTHEAST UNIV
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