Unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation

A Rankine cycle, isolated grid power generation technology, applied in the direction of machines/engines, mechanical equipment, steam engine installations, etc., to achieve the effects of fast response speed, fast startup, and good adaptability

Active Publication Date: 2017-06-30
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

At present, reports on ORC controlled power generation are mostly based on theory, and the ORC isolated grid power generation expe

Method used

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  • Unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation
  • Unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation
  • Unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation

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Embodiment Construction

[0039] In order to realize the automatic control of the organic Rankine cycle isolated grid power generation monitoring system, automatically adjust the system failure, and automatically take measures to protect the production equipment from damage when no one is on duty, this invention proposes an unattended organic Rankine cycle isolated Network power generation monitoring system and method. The present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] attached figure 1 It is the structure diagram of the ORC power generation monitoring system, such as figure 1As shown, it includes an organic Rankine cycle power generation system and an ORC monitoring and control system. The organic Rankine cycle power generation system includes a flow meter 4, a pressure sensor 5, a temperature sensor 6, a working medium pump 10, an evaporator 11, and an electric three-way valve 12. Expander 13, generator 14, condenser 15, heat source circu...

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Abstract

The invention belongs to the technical field of energy and power, in particular to an unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation. According to the unattended operation type monitoring system and method for organic Rankine cycle isolated network power generation, automation control of the monitoring system for organic Rankine cycle isolated network power generation and system malfunction automatic processing are achieved. The monitoring system comprises a flowmeter, pressure sensors, temperature sensors, a working medium pump, an evaporator, an electric three-way valve, an expansion machine, a power generator, a condenser, a heat source circuit, a cooling circuit, a touch screen, a PLC unit, a working medium pump frequency converter, a relay, a warner and a multifunctional electrodynamic meter. Through real-time state monitoring of a unit, under instable heat-source and cold-source fluctuation, stabile, reliable and efficient operation of a waste heat power generation system is achieved. According to the unattended operation type monitoring system and method, while good self-adaption is achieved, automatic adjusting can be conducted when the system malfunctions, and unattended operation of an isolated network power generation system is achieved.

Description

technical field [0001] The invention belongs to the technical field of energy and power, and in particular relates to an unattended organic Rankine cycle isolated grid power generation monitoring system and method. Background technique [0002] Organic Rankine cycle (ORC) is a technology that can effectively utilize medium and low temperature heat energy (such as waste heat, solar energy, geothermal energy, etc.). The traditional steam Rankine cycle uses water as the working medium, and the boiling point of water is high. If the low-temperature waste heat is used, it is difficult to achieve and maintain the superheated state due to the large specific volume of the steam, so that the cycle efficiency is very low, and the cycle cannot even be completed. The organic Rankine cycle uses low-boiling organic working fluid. Due to the low boiling point of the organic working fluid, it is easy to overheat and generate high-pressure steam. In addition, the organic Rankine cycle equipm...

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Application Information

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IPC IPC(8): F01K23/02F01K25/08
Inventor 徐进良刘秀龙曹泷苗政戚风亮
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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