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Marine organic Rankine cycle non-azeotropic working medium component adjusting system

A Rankine cycle and regulation system technology, applied in mechanical equipment, steam engine installations, machines/engines, etc., can solve problems such as inability to meet, and achieve the effect of energy application

Active Publication Date: 2021-10-26
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Therefore, there is an urgent need to provide a marine organic Rankine cycle zeotropic working medium component adjustment system to solve the technical problem in the prior art that the cooling water after heating can be used as domestic hot water on the ship.

Method used

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  • Marine organic Rankine cycle non-azeotropic working medium component adjusting system

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Embodiment Construction

[0027] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0028] As used herein, the term "comprise" and its variants mean open inclusion, ie "including but not limited to". The term "or" means "and / or" unless otherwise stated. The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment." The term "another embodiment" means "at least one further embodiment". The terms "first", "second", etc. may refer to different or the same ...

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Abstract

The invention provides a marine organic Rankine cycle non-azeotropic working medium component adjusting system, and relates to the technical field of organic Rankine cycle waste heat power generation. The system comprises a main system and a subsystem, the main system comprises an engine, a condenser and a plurality of working medium pumps, and the condenser comprises a cooling water inlet and a cooling water outlet; and the subsystem is a component adjusting system and comprises a fractionating tower, a plurality of power pumps, a plurality of control valves, a controller, a temperature sensor and a working medium component concentration sensor, wherein the temperature sensor and the working medium component concentration sensor are in communication connection with the controller. The temperature sensor obtains the temperature of the cooling water inlet, the optimal mixed working medium component proportion at the temperature is obtained through optimization calculation, the numerical values of the temperature sensor and the working medium component concentration sensor serve as the input quantity of the controller, and the control valves and the power pumps are controlled according to a component calculation result until the components of the working medium component concentration sensor are target components. Seawater temperature changes serve as a control strategy, cooling water serves as domestic water, and the energy utilization rate is high.

Description

technical field [0001] The invention relates to the technical field of organic Rankine cycle waste heat power generation, in particular to a marine organic Rankine cycle non-azeotropic working medium component adjustment system. Background technique [0002] At present, there are a large number of waste heat resources in engineering projects in my country that have not been effectively utilized. Among them, ships are generally equipped with low-speed diesel engines as power sources. The thermal efficiency of diesel engines is about 40-50%. A large amount of heat energy is discharged into the air and sea water through exhaust gas and coolant. , the organic Rankine cycle system can recover exhaust waste heat and improve the overall utilization efficiency of the power system. [0003] The working fluid is an important factor affecting the thermal efficiency of the organic Rankine cycle. The pure working fluid maintains a constant temperature during the phase transition process s...

Claims

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Application Information

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IPC IPC(8): F01K13/00F01K7/00F01K13/02F01K21/00F01K25/08
CPCF01K13/00F01K13/02F01K25/08F01K13/006F01K21/00F01K7/00
Inventor 王恩华张波孟凡骁彭宁建
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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