A boiler intelligent optimized combustion energy-saving control system

Abstract

The invention discloses a boiler intelligent optimized combustion energy-saving control system, which comprises a data communication module, a data primary analysis storage database module, a fuzzy clustering analysis module, and a fuzzy unconstrained optimal control module. The present invention utilizes fuzzy cluster analysis, adopts fuzzy unconstrained optimal control model to re-construct circulating fluidized bed boiler combustion efficiency, NO X Calculation and prediction model of emissions; use the optimal control model to calculate the boiler load control loop, heat compensation control loop, feed water flow control loop, combustion chamber bed temperature control loop, primary air flow control loop, secondary air flow control loop, furnace load control loop The optimal value of each monitoring and control parameter of pressure control loop, limestone feeding control loop, combustion chamber bed pressure control loop, so as to ensure that the circulating fluidized bed boiler achieves the best boiler combustion efficiency on the basis of stable, safe and economical operation. Excellent, NO X The purpose of the lowest emission.

Description

technical field [0001] The invention relates to the technical field of boiler energy-saving control, in particular to an intelligent optimized combustion energy-saving control system for a boiler. Background technique [0002] China is currently one of the countries with the fastest economic development in the world, and it is also the largest coal producer and largest coal consumer in the world. The high-speed development of the economy will inevitably mean a large increase in the demand for energy, and coal occupies an absolutely dominant position in my country's primary energy composition. According to experts' prediction, coal will still occupy a dominant position in my country's future primary energy consumption structure. At the same time, due to the development and utilization of coal, CO 2 , SO 2 and NO X Emissions have also attracted the attention of international and domestic environmental issues. As China's energy use and environmental protection management b...

AI Technical Summary

Problems solved by technology

[0005] At present, the single-loop control system is generally adopted in the industry. The temperature of the material bed is controlled by controlling the ratio of the primary air and the secondary air. The adjustment range of the bed temperature is limited when this control method is used. When the bed temperature fluctuates greatly, the control effect is relatively poor. Or when the load adjustment is relatively large, manual intervention is required

In addition, at present, the optimal combustion of boilers mainly relies on personnel to obtain relevant operating parameters and verify them under different working conditions.

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