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Combined cooling, heating and power supply system

A combined cooling, heating and power supply and subsystem technology, applied in the direction of charging system, turbine/propellant fuel delivery system, combined combustion mitigation, etc., to achieve the effect of reducing the loss of available energy

Active Publication Date: 2018-09-07
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, at home and abroad about SOFC / GT and CO 2 In a combined cycle power generation system, CO with a conventional cooling source 2 There is still room for improvement in the power generation efficiency of the cycle system; in the existing CO 2 In the circulation system, although it can effectively improve the power generation efficiency of the system, its The loss is very large, and it needs to be improved to reduce the available energy loss of the system

Method used

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Embodiment Construction

[0026]It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] Such as figure 1 As shown, the air compressor 1 and the first preheater 5 are connected in series with th...

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Abstract

The invention discloses a combined cooling, heating and power supply system. The combined cooling, heating and power supply system is characterized by being formed through treating a SOFC / GT hybrid power generation system as a reference system and introducing CO2 circulation, ORC circulation and a LNG cold energy utilization system. According to the combined cooling, heating and power supply system, a SOFC / GT serves as a prime mover, high-temperature waste heat, medium-temperature waste heat and low-temperature waste heat of a recovery system of the CO2 circulation and the ORC circulation areutilized correspondingly, and an LNG is used as a cold source for the CO2 circulation and the ORC circulation, and therefore, external cooling (air conditioning and refrigeration), external heating, external power supply, external natural gas supply and external supply of ice and dry ice can be achieved; and the low-carbon emission of the system is realized by condensing and separating CO2 in a flue gas, the available energy loss of the combined supply system can be effectively reduced, gradient and efficient utilization of energy is achieved, and the good energy-saving and emission-reducing effects are achieved.

Description

technical field [0001] The invention relates to a combined cooling, heating and power supply system. Background technique [0002] A solid oxide fuel cell (SOFC) is a highly efficient energy conversion device that uses electrochemical reactions to convert chemical energy stored in fuel directly into electrical energy. Because the energy conversion process is not limited by the Carnot cycle, the power generation efficiency is high, and it also has the advantages of modular structure, low pollutant emission, and strong fuel adaptability. The hybrid power generation system (SOFC / GT) composed of SOFC and gas turbine (GT) is considered to be the key technology to achieve the goal of "burning multiple fuels, co-producing multiple products, high conversion efficiency, and low pollutant emissions". The working temperature of the SOFC / GT hybrid power generation system is high, and the high-grade waste heat in the exhaust gas can be recovered and utilized through the construction of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G5/02F01K25/10F01K23/02F01K7/32
CPCF01K7/32F01K23/02F01K25/103F02G5/02Y02E20/14F01K23/10F01K23/08F01K25/14F01K9/003F01K9/04F22B3/08Y02E20/32F01D15/10F05D2220/76Y02P80/15Y02E20/16F01K25/10F02C6/18Y02E60/50F02C1/007F02C1/06F02C7/224F05D2270/08F01K23/103F23J2215/50F01K23/04F23J2900/15061F01N2570/10
Inventor 韩吉田刘洋游怀亮段炼邵莉陈常念于泽庭
Owner SHANDONG UNIV
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