The invention relates to the technical field of thermal equipment operation state dynamic test and compensation control, in particular to an AI-based boiler air pre-heater temperature uniformity regulation and
control system, which comprises a collaborative closed-
loop control network of a
data acquisition module, an AI prediction module, a heat storage
system control module, a temperature compensation control module and a thermal stress analysis module. The
data acquisition module acquires
flue gas temperature,
coal quality parameters and load instructions in real time, the
flue gas temperature, the
coal quality parameters and the load instructions are transmitted to the AI prediction module through an industrial
bus, XGBoost, LightGBM and a deep neural
network model are used for carrying out spatial-temporal
feature extraction on the evolution trend of a temperature field, and the heat storage
system control module dynamically switches heat storage and release
modes according to the load state. The
heat distribution proportion among the multiple units is adjusted by combining the three-dimensional
stress field distribution data of the thermal stress analysis module; the
bottleneck of lack of
thermal inertia regulation of an existing
system is broken through,
dynamic balance of a temperature field under the condition that thermal stress of a
heat transfer element is controllable is achieved, and the heat exchange efficiency and operation stability of the air pre-heater are improved.