A coke oven automatic heating optimization system

Abstract

A coke oven automatic heating optimization system provided by the present invention includes a feedforward control system and a feedback control system; the feedforward control system is used to collect real-time data of coke oven production, and calculate the setting of control parameters through an energy prediction model set value, and send this set value to the coke oven control system to realize feed-forward coarse adjustment; the feed-back system includes a fire fall monitoring system, a straight-line temperature detection system and an exhaust gas oxygen content detection system. Through the fuzzy control model, Calculate the setting value of the control parameter, and send this setting value to the coke oven control system to realize the fine adjustment of the rear feed. The coke oven automatic heating optimization system realizes the automatic coke oven uniform heating by collecting and analyzing the variation of various conditions and factors in coking production, calculating the coke oven heating gas flow setting value, guiding the coke oven heating control and its optimization control.

Description

technical field [0001] The invention belongs to the technical field of coke oven automation, in particular to an automatic heating optimization system for coke ovens. Background technique [0002] China is the world's largest country in the coking industry, with an annual coke output of more than 440 million tons, but the control and management level of most coke ovens in China is still at the basic automation level, that is, the heating of coke ovens basically adopts instrumentation and control systems, and can only rely on equipment. Experienced coke oven fire adjustment technicians set the heating system parameters based on experience after manual timing temperature measurement, and the instrument control system stabilizes the heating parameters. [0003] During the coking production process of the coke oven, when the production environment and production conditions change, the heating system and the heating gas flow rate need to be fine-tuned. The traditional coke oven h...

AI Technical Summary

Problems solved by technology

There are many problems in this production control mode: frequent personnel flow, resulting in different levels of experience and level; incomplete information, no data support, only estimates and rough adjustments; relying on the temperature of the fire path twice a shift Testing often makes the coke oven heating control lag behind, resulting in frequent coke oven heating control; the coke maturity of each carbonization chamber is unpredictable before the furnace door is opened, but the coke release plan is arranged according to a fixed coking time, which often results in partial maturity. A great carbonization chamber emits a lot of black smoke when the door is removed and the coke is pushed, which causes environmental pollution and reduces the quality of coke

[0009] These manual methods not only have high requirements for skilled workers and poor accuracy, but may also affect the personal safety of skilled workers

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