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Setting method for collaborative optimization of desulfurization system and dust removal system of thermal power generating unit

A technology of dust removal system and desulfurization system, which is applied in instruments, data processing applications, forecasting, etc., can solve the problems of large design margin, not considering the synergistic dust removal effect of wet desulfurization system, and high operating energy consumption

Pending Publication Date: 2021-09-10
GUODIAN NANJING ELECTRIC POWER TEST RES CO LTD
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Problems solved by technology

At present, some ultra-low emission desulfurization systems have not considered the cooperative dust removal effect of the wet desulfurization system, and the design margin is too large, resulting in the problem of high energy consumption in operation

Method used

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  • Setting method for collaborative optimization of desulfurization system and dust removal system of thermal power generating unit
  • Setting method for collaborative optimization of desulfurization system and dust removal system of thermal power generating unit
  • Setting method for collaborative optimization of desulfurization system and dust removal system of thermal power generating unit

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Embodiment

[0041] Such as figure 1 As shown, the setting method for the collaborative optimization of the desulfurization system and dust removal system of the thermal power unit in this embodiment, the method calculates the first unit consumption of the boiler within a fixed time based on the output distribution of the desulfurization system and the dust removal system of the thermal power unit; secondly, detects the The emission of sulfur dioxide and dust particles in the flue gas within a fixed period of time; based on the emission of sulfur dioxide and dust particles in the flue gas, the output distribution of the desulfurization system and dust removal system of the thermal power unit is regularly adjusted; and then calculated under the adjusted output distribution , the second unit consumption of the boiler within the fixed time; finally, based on the first unit consumption and the second unit consumption, it is determined that the output allocation corresponding to the minimum unit...

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Abstract

The invention relates to a setting method for collaborative optimization of a desulfurization system and a dust removal system of a thermal power generating unit. The method comprises the steps: calculating the unit consumption of a boiler in a fixed time, and detecting the discharge amount of sulfur dioxide and dust particles in flue gas in the fixed time, so as to set reasonable output distribution of the desulfurization system and the dust removal system; a dust remover and wet desulphurization are cooperatively controlled, the comprehensive dust removal effect is integrally considered, on the premise of ensuring SO2 and smoke up-to-standard emission, sectional output of the dust remover and a desulphurization system is reasonably distributed, the dust washing effect of a desulphurization device is fully exerted, the operation cost of a front conventional dust remover can be reduced, and the purpose of maximizing benefits is achieved.

Description

technical field [0001] The invention relates to a setting method for collaborative optimization of a desulfurization system and a dust removal system of a thermal power unit, and belongs to the field of energy technology. Background technique [0002] The ultra-low emission transformation of thermal power units has effectively reduced the total pollutant emissions of coal-fired power plants. The flexible adjustment of the desulfurization system under load conditions reduces the actual demand for energy consumption per unit of SO2 emission reduction under low-load conditions. At present, the overall annual utilization hours of thermal power units are low, and desulfurization devices often operate under low-load conditions. How to operate environmental protection facilities flexibly and energy-savingly under low-load conditions is a problem that should be focused on after ultra-low emission transformation. [0003] Wet desulfurization technology is currently the most widely u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/06312G06Q50/06
Inventor 孙骁建
Owner GUODIAN NANJING ELECTRIC POWER TEST RES CO LTD
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