Catalytic Combustion Startup Control Using Heater-Based Fuel Injection

The system performs preliminary heating of the catalyst using an electric heater before fuel injection begins. This preliminary action raises the catalyst temperature to a safe level where fuel can be injected without causing excessive raw fuel concentration that would deteriorate the catalyst, while still allowing relatively quick activation.

The fuel injection amount is dynamically adjusted based on the real-time temperature of the catalyst. As the catalyst temperature rises during the heating phase, the system progressively increases the fuel injection amount from a low initial level, optimizing both the activation speed and catalyst protection throughout the startup process.

The system continuously monitors the catalyst temperature and uses this feedback information to control the fuel injection amount. The controller adjusts the injection rate based on the measured temperature, ensuring that fuel is injected at an amount that the current catalyst temperature can handle, thus preventing catalyst deterioration while enabling early activation.

The system changes the injection amount parameter dynamically during the startup process. Initially, a small injection amount is used when the catalyst temperature is low, and as the temperature increases, the injection amount parameter is increased. This parameter adaptation allows the system to achieve fast activation without exceeding the catalyst's处理能力 for raw fuel.