On-line monitoring method and device for a fossil fuel converter apparatus

An online monitoring method for a fossil fuel converter apparatus, which monitors fossil fuel compositions in real time by measuring operating data of the converter apparatus, characterized in that said online monitoring method comprises the following steps:

• a) Determining reactant compositions and number of variables thereof;
• b) Determining fossil fuel compositions and number of variables thereof;
• c) Determining compositions of incomplete products among resultants and number of variables thereof;
• d) Determining relationship between the fossil fuel compositions and calorific value;
• e) Establishing an equation set involving the fossil fuel compositions, the reactant compositions and the resultants compositions, according to energy balance relationship and material balance relationship in the combustion process;
• f) Providing given conditions for use of the above equation set, wherein said given conditions are independent relationships concerning the variables in the above equation set;
• g) Measuring boiler operating data and assigning the variables in the above equation set, wherein the sum of the number of the assigned variables and the number of the above given conditions are equal to the sum of the number of variables of the reactant compositions, number of variables of fossil fuel compositions and number of variables of incomplete products compositions, so as to achieve a positive definite condition of the equation set;
• and
• h) Finding the solution to the equation set and obtaining real-time monitoring data of the fossil fuel converter apparatus.