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Method and device for calculating influences of coal quality deviation on coal-fired generator set coal consumption

A technology of generating sets and calculation methods, applied in the direction of calculation, electrical digital data processing, special data processing applications, etc.

Active Publication Date: 2015-12-09
NORTH CHINA ELECTRICAL POWER RES INST +1
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  • Application Information

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Problems solved by technology

In the existing technology, there has not been any analysis technology about the impact of coal quality deviation on coal-fired power generation units

Method used

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  • Method and device for calculating influences of coal quality deviation on coal-fired generator set coal consumption
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  • Method and device for calculating influences of coal quality deviation on coal-fired generator set coal consumption

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] like figure 1 As shown, the embodiment of the present invention provides a calculation method for the influence of coal quality deviation on the coal consumption of coal-fired generating units, and the calculation method includes:

[0048] S101: Measure the actual coal consumption of the boiler, and determine whether the deviation between the coal consumption of the designed coal type and the actual coal consumption of the boiler is greater than a prese...

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Abstract

The invention provides a method and device for calculating influences of a coal quality deviation on coal-fired generator set coal consumption. The method includes the steps that actual coal-firing amount of a boiler is measured, and whether the deviation of designed coal type coal-firing amount and the actual coal-firing amount of the boiler is larger than a preset deviation value is judged; if the deviation of the designed coal type coal-firing amount and the actual coal-firing amount of the boiler is larger than the preset deviation value, the variation of boiler solid incomplete combustion loss is calculated; according to power generation amount and the deviation of the actual coal-firing amount of the boiler and the designed coal type coal-firing amount, the power consumption rate increase amount caused by increase of amount of coal entering the boiler is calculated; whether boiler coal moisture exceeds a preset moisture value is judged; if the boiler coal moisture exceeds the preset moisture value, the exhausted smoke heat loss variation is calculated according to exhausted smoke temperature deviation; according to the variation of boiler solid incomplete combustion loss, the exhausted smoke heat loss variation and the power consumption rate increase amount, coal consumption variation caused by coal quality changes is calculated. The method and device can be used for quantitatively calculating the influences of the coal quality deviation on the coal-fired generator set coal consumption, and external condition deviations are accurately calculated.

Description

technical field [0001] The invention relates to a coal consumption analysis technology of a coal-fired generating set, in particular to a calculation method and a device for the influence of coal quality deviation on the coal consumption of a coal-fired generating set. Background technique [0002] As the society's demand for electricity is getting higher and higher, how to improve the power generation efficiency of generator sets has become a problem that people pay attention to. [0003] For a certain generator set, the final energy efficiency level it can achieve depends on three factors, namely: the design and manufacturing level of the generator set; the application conditions of the generator set; management application level. The management application level of the manager to the generator set is a subjective factor of the unit operation, which can be improved through the improvement of the operation management. The design and manufacturing level of the generator se...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 赵振宁靖长财张清峰范永胜龚家猷李金晶
Owner NORTH CHINA ELECTRICAL POWER RES INST
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