as much as necessary a monitor or sensor 2 15 is located at the input end of inclined conveyor 2 11 the inclined conveyor 2 11 monitors the quantity of fuel located at the end of the trailer the beginning of the inclined conveyor and moves the fuel rearward in the walking floor trailer as required to maintain sufficient fuel in the inclined conveyor the bin feeder fig3 receives the fuel from the inclined elevator 2 11 fig2 the bin feeder is used to meter the fuel to the combustor depending upon the quantity of fuel required by the combustor to produce sufficient stream the bin feeder 3 11 speed will be varied to introduce sufficient fuel to the combustor a sensor 3 10 is used on the bin feeder to ensure that sufficient fuel is present on the bin feeder belt if additional fuel is needed a signal is sent to the inclined conveyor walking floor trailer fig2 for additional fuel the rotary air lock 3 12 is used to provide a mechanical seal to minimize the quantity of unwanted air introduced into the combustor the fuel gasification process takes place in gasifier 11 shown in fig1 device this process is described hereafter in the section entitled u201c combustion process description u201d the area of this gasification is referred to as stage 1 the gasification in this stage is controlled totally by the computer control system by taking the following parameters and the system computer determines the variables that need to change or remain the same during the gasification process solid fuel feed rate airflow rate oxygen concentration firebelt 20 speed gasification temperature.