On-line monitoring method and device for a fossil fuel converter apparatus
First Claim
1. 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.
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Abstract
An online monitoring method and device for a fossil fuel converter apparatus. The method monitors fuel compositions in real time by measuring operating data of the converter apparatus and comprises the following steps: determining reactant compositions and number of variables thereof; determining fuel compositions and number of variables thereof; determining compositions of incomplete products and number of variables thereof; determining relationship between the fuel compositions and calorific value; establishing an equation set involving the fuel compositions, the reactant compositions and the resultants compositions, according to energy balance relationship and material balance relationship in the combustion process; providing given conditions for independent relationships concerning variables in the above equation set; measuring boiler operating data and assigning the variables in the above equation set; and finding the solution to the equation set and obtaining real-time monitoring data of the converter apparatus.
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Citations
19 Claims
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1. 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:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19)
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17. An online monitoring device for a fossil fuel converter apparatus, comprising a computer, a data input passage for collecting converter apparatus operating data, and an output data display/output passage, for monitoring a fossil fuel converter apparatus in real-time, characterized in that, said online monitoring apparatus comprises:
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Means for storing reactant compositions, fossil fuel compositions, resultants compositions, and relationship between the fossil fuel compositions and calorific value;
Means for storing 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;
Means for providing given conditions for use of the above equation set, wherein said given conditions are equations concerning variable relationship in the above equation set;
Means for, according to measured boiler operating data, assigning the variables in the above equation set to form positive definite conditions of the 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 resultants compositions; and
Means for finding the solution to the equation set to obtain real-time monitoring data of the fossil fuel converter apparatus. - View Dependent Claims (18)
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Specification