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Energy-saving potential analysis method for thermal power unit

A thermal power unit, a technology with energy-saving potential, applied in data processing applications, system integration technology, instruments, etc.

Inactive Publication Date: 2014-03-26
CHINA SOUTHERN POWER GRID COMPANY +2
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  • Claims
  • Application Information

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Problems solved by technology

However, the consumption difference analysis method alone can only judge the influence of a certain parameter on the economy, and cannot systematically analyze the influence and changes of all factors on the energy of the entire unit

Method used

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  • Energy-saving potential analysis method for thermal power unit
  • Energy-saving potential analysis method for thermal power unit
  • Energy-saving potential analysis method for thermal power unit

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Embodiment Construction

[0069] The present invention will be further described below in conjunction with specific examples.

[0070] The energy-saving potential analysis method of thermal power units includes the following steps:

[0071] 1) Collect the real-time furnace coal quantity F of the thermal power unit Coal , t / h and the real-time low calorific value Q of coal fed into the furnace r , kJ / kG; According to "GB10184-88 Power Station Boiler Performance Test Regulations" and "GB / T10180-2003 Industrial Boiler Thermal Performance Test Regulations", calculate the boiler loss q i ,%, where, i=2,4,5 and 6; boiler efficiency η b , %; According to "GB8117-87 Power Station Steam Turbine Thermal Performance Acceptance Test Regulations", "ASME PTC6-1996 Steam Turbine Performance Test Regulations" and "IAPWS-IF97 Water and Steam Property Equation", calculate the steam turbine thermal efficiency η t ,%; and calculate the factory power consumption rate δ u ,%; Among them, the factory power consumption ra...

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Abstract

The invention discloses an energy-saving potential analysis method for a thermal power unit. The method includes the steps: respectively calculating actual operating values and target values of boiler loss energy, total boiler loss energy, steam turbine input energy, steam turbine loss energy, power generation input energy, plant power consumption energy and power supply output energy indexes of the thermal power unit; comparing differences of the target values and the actual operating values of all the energy indexes to obtain thermal power unit parts high in energy-saving potential and high in loss ratio, and then finding key factors influencing maximum loss in energy conversion of the thermal power unit; quantitatively acquiring influences and size of influence quantity of the key factors on power supply coal consumption through a consumption difference analysis method, and then technically improving the factors large in influence; and combining an energy loss analysis method and the consumption difference analysis method to finally acquire key parameter quantity influencing energy consumption of the thermal power unit to provide bases for optimizing the thermal power unit. The method is used for optimizing performance of the thermal power unit so as to improve economical efficiency of the thermal power unit.

Description

【Technical field】 [0001] The invention belongs to the technical field of thermal power generation, and in particular relates to a method for analyzing the energy-saving potential of a thermal power unit. 【Background technique】 [0002] At present, the energy-saving potential analysis of thermal power units mainly adopts the analysis method of consumption difference index. By supervising and analyzing the key parameters in the operation of thermal power units, and comparing the actual operating values ​​of these parameters with the reference values, the difference between the two is calculated. The impact of parameters on baseline coal consumption. However, the consumption difference analysis method alone can only judge the influence of a certain parameter on the economy, and cannot systematically analyze the influence and changes of all factors on the energy of the entire unit. 【Content of invention】 [0003] The purpose of the present invention is to provide a thermal po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q50/06
CPCY02E40/70Y04S10/50
Inventor 范奇赖菲宋兴光王智微刘超飞陈钢
Owner CHINA SOUTHERN POWER GRID COMPANY
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