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A control system for controlling the storing, feeding and burning of a pulverized fuel in a glass melting furnace, wherein a series of burners are arranged one in front of the other to carry out combustion and non-combustion cycles during a glass melting process. Pulverized fuel feeding systems are

A control system for controlling the storing, feeding and burning of a pulverized fuel in a glass melting furnace, wherein a series of burners are arranged one in front of the other to carry out combustion and non-combustion cycles during a glass melting process. Pulverized fuel feeding systems are provided, which are filled up and emptied out with the pulverized material for providing a constant flow of the pulverized fuel to each of the burners dunng the glass melting process. The control system including control means for monitoring and controlling the filled up and discharge out of said pulverized fuel feeding system based on the measurement and monitoring of the amount of pulverized fuel that is being storaged and feeded by the pulverized fuel feeding system. Control means are provided for monitoring at least one operating variable involved on the glass melting furnace, the control means detecting a series of different variable during the glass melting process. And means for controlling the alternation of the combustion and non-combustion cycles to each burner, based on the monitoring and feeding of the pulverized fuel to burner and in base to the operating variables of the glass melting process.

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1. A method of controlling a system for feeding and burning a pulverized fuel of the type that comprises a glass melting furnace, a series of burners arranged in said glass melting furnace which are used alternately to carry out combustion and non-combustion cycles for the melting of the glass; at l

1. A method of controlling a system for feeding and burning a pulverized fuel of the type that comprises a glass melting furnace, a series of burners arranged in said glass melting furnace which are used alternately to carry out combustion and non-combustion cycles for the melting of the glass; at least a storage silo for storing and feeding the pulverized fuel; and at least a pulverized fuel feeding system which is filled up and emptied out with said pulverized material for providing a constant flow of said pulverized fuel to each of the burners during the class melting process, the method including the steps of: monitoring at least one operating variable involved in said lass melting furnace, which is based on at least a sensor, each sensor detecting a different variable during the glass melting process; monitoring and controlling the filled up and emptied out of said pulverized fuel feeding system based on the amount of pulverized fuel that is storaged in said pulverized fuel feeding system, providing a constant flow of said pulverized fuel to each of the burners; controlling the alternation of the combustion and non-combustion cycles in said burners of said glass melting furnace, based on the monitoring of the amount of pulverized fuel that is being fed to the burners and in said operating variables of the glass melting process; and calculating the alternation of the combustion and non-combustion cycles of said burners based on a real time. 2. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 1, wherein the step of controlling the alternation of the combustion and non-combustion cycles in said burners of said glass melting furnace comprises: monitoring the feeding of a mix of the pulverized fuel and air flow from said pulverized fuel feeding system in at least a first burner located in a first side of the glass melting furnace; monitoring a non-feeding of the mix of pulverized fuel and air flow in at least a second burner located in an opposite side to said at least first burner in said glass melting furnace; activating a first cycle time to provide the mix of pulverized fuel and air to said at least first burner to carry out a first combustion step in the glass melting furnace for melting of the glass; detecting the finishing of the first cycle time of said first combustion step and closing the supply of the pulverized fuel in said first burner, but maintaining the supply of air during a short time for cleaning of the first burners; continuously maintaining the feeding of the pulverized fuel in said pulverized fuel feeding system by returning the feeding of pulverized fuel toward said pulverized fuel feeding system, meanwhile a flow of pulverized fuel and air is being changed from said at least first burner to said at least second burner in said second side of the glass melting furnace to carry out a second combustion cycle; activating a second cycle time to provide the mix of pulverized fuel and air from said pulverized fuel system to at least a second burner to carry out a second combustion step in the glass melting furnace for the melting of the glass; monitoring the feeding of the mix of the pulverized fuel and air in at least said second burner located in an opposite side to said at least first burner in said glass melting furnace for the melting of the glass; detecting the finishing of the second cycle time of said second combustion step and closing the supply of the pulverized fuel from said pulverized fuel system in said second burner, but maintaining the supply of air during a short time for cleaning of said second burners; continuously maintaining the feeding of the pulverized fuel in said pulverized fuel feeding system by returning the feeding of pulverized fuel toward said pulverized fuel feeding system, meanwhile the combustion cycle is being changed from said at least second burner to said at least first burner in said first side of the glass melting furnace to carry out the first combustion cycle; and, automatically changing the combustion and non-combustion cycles between said at least first burner and said at least second burner for the melting of the glass. 3. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 2, wherein the step of automatically changing the combustion and non-combustion cycles between said at least first burner and said at least second burner for the melting of the glass is based in a programmable sequence.4. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 2, wherein the step of continuously maintaining the feeding of the pulverized fuel of said feeding system by returning the excess of pulverized fuel toward said pulverized fuel feeding system further includes the step of testing, calibration and setting up of the pulverized fuel feeding system.5. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 1, wherein the step of controlling the alternation of the combustion and non-combustion cycles in said burners of said glass melting furnace comprises: monitoring the feeding of a mix of the pulverized fuel and air from said pulverized fuel feeding system in at least a first burner located in a first side of the glass melting furnace; monitoring a non-feeding of the mix of pulverized fuel and an air flow in at least a second burner located in an opposite side to said at least first burner in said glass melting furnace; activating a first cycle time to provide the mix of pulverized fuel and air flow to said at least first burner to carry out a first combustion step in the glass melting furnace for melting of the glass; detecting the finishing of the first cycle time of said first combustion step and closing the supply of the pulverized fuel in said first burner, but maintaining the supply of air flow during a short time for cleaning of the first burners; stopping the flow of the pulverized fuel in said pulverized fuel feeding system, meanwhile the combustion cycle is being changed from said at least first burner to said at least second burner in said second side of the glass melting furnace to carry out a second combustion cycle; activating a second cycle time to provide the mix of pulverized fuel and air from said pulverized fuel feeding system to said at least second burner to carry out a second combustion step in the glass melting furnace for melting of the glass; monitoring the feeding of the mix of the pulverized fuel and air in at least said second burner located in a first opposite side to said at least first burner in said glass melting furnace for the melting of the glass; detecting the finishing of the second cycle time of said second combustion step and closing the supply of the pulverized fuel from said pulverized fuel system in said second burner, but maintaining the supply of air during a short time for cleaning of said second burners; stopping the flow of the pulverized fuel in said pulverized fuel feeding system, meanwhile the combustion cycle is being changed from said at least second burner to said at least first burner in said first side of the glass melting furnace to carry out the first combustion cycle; and, automatically changing the combustion and non-combustion cycles between said at least first burner and said at least second burner for the melting of the glass. 6. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 5, wherein the step of automatically changing the combustion and non-combustion cycles between said at least first burner and said at least second burner for the melting of the glass is based in a programmable sequence.7. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 5, wherein the step of detecting the finishing of the first cyc le time of said first combustion step and closing the supply of the pulverized fuel in said first burner further includes a slide gate in an output of said pulverized fuel feeding system which is synchronized with the control system in order to avoid stopping and restarting of said pulverized fuel feeding system.8. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 1, further including the step of: controlling a dust collector located in said storage silo and in said pulverized fuel feeding system, said dust collector being operated during the filled up and discharge out of said storage silo or said pulverized fuel feeding system, or when an unfavorable; dust monitoring conditions be detected by the control system. 9. The method of controlling a system for feeding and burning a pulverized fuel as claimed in claim 1, further including the step of: determining an carbon monoxide concentration by each storage silo in order to trigger at least an inertization device and protect the internal environment inside of said silo. 10. A control system for a system for storing, feeding and burning the pulverized fuel of the type that comprises a glass melting furnace, a series of burners arranged in said glass melting furnace which are used alternately to carry out combustion and non-combustion cycles for the melting of the glass; at least a storage silo for storing and feeding the pulverized fuel; and at least a pulverized fuel feeding system which is filled up and emptied out with said pulverized material for providing a flow of the pulverized fuel to each of the burners during a glass melting process, the control system comprising: means for controlling the filled up and discharge out of said pulverized fuel feeding system based on the measurement and monitoring of the amount of pulverized fuel that is being storaged and fed by said pulverized fuel feeding system; means for monitoring at least one operating variable involved on said glass melting furnace, which is based on at least a sensor, each sensor detecting a different variable during the glass melting process; and, means for controlling the alternation of the combustion and noncombustion cycles of said burners in said glass melting furnace, based on the monitoring and feeding of the pulverized fuel and in said operating variables of the glass melting process; wherein the means for controlling the filled up and emptied out of said pulverized fuel feeding system; the means for monitoring at least one operating variable involved of said glass melting furnace; and, the means for controlling the alternation of the combustion and non-combustion cycles of said burners in said glass melting furnace, are connected to a network communication means, said network communication means interconnecting the means for controlling the filled up and discharge out of said pulverized fuel feeding; the means for monitoring at least one operating variable involved on said glass melting furnace, and the means for controlling the alternation of the combustion and non-combustion cycles of said burners in said glass melting furnace, the means for controlling the alternation of the combustion and non-combustion cycles of said burners providing input and output signals for controlling the feeding and burning of the pulverized fuel in the glass melting process. 11. The control system as claimed in claim 10, wherein the control system further comprises: means for controlling a dust collector located in said storage silo and in said pulverized fuel feeding system, said dust collector being operated during the filled up and discharge out of said storage silo and said pulverized fuel feeding system, or when an unfavorable dust monitoring conditions be detected by the control system. 12. The control system as claimed in claim 10, wherein the control system further comprises: means for determining an carbon monoxide concentration each storage silo in o rder to trigger at least an inertization device and protect the internal environment inside of said silo. 13. The control system as claimed in claim 10, wherein the control system further comprises: environmental control means for monitoring, calculating and controlling the extraction of combustion gases between combustion air and exhaust heat cycles of the glass melting furnace, in order to minimize the internal pressure variations in said glass melting furnace. 14. The control system as claimed in claim 13, wherein the environmental control means comprises: an environmental services control system communicated with said environmental control means for generating a proportion of reactives that are requested by the environmental control means, as well as, for the handling of solid wastes that is been recovered by the environmental control means. 15. The control system as claimed in claim 10, wherein the means for controlling the filled up and emptied out of said pulverized fuel feeding system comprises, means for measuring and monitoring of a conveying air flow, means for monitoring a conveying air pressure and the conveying air; means for sensing the temperature in said pulverized fuel feeding system and means for controlling the speed of a blower in order to allow the control system to set the appropriate conveying air/fuel ratio required by the combustion process.16. The control system as claimed in claim 10, wherein means for controlling the alternation of the combustion and non-combustion cycles of said burners in said glass melting furnace further comprises: means for monitoring the pulverized fuel flow in each burner, means for monitoring the pulverized fuel feeding velocity in a series of pipes, means for monitoring the air feeding velocity in an air blower, means for monitoring an air pressure in said air blower, means for monitoring internal pressure and temperature of the glass melting furnace, and means for monitoring a combustion gases in an environmental control means.17. The control system as claimed in claim 10, wherein the control system further comprises: means for controlling the filled up and discharge out of said pulverized fuel in said pulverized fuel feeding system, which are controlled with basis in a level of pulverized fuel that is being storaged in said pulverized fuel feeding system, said pulverized fuel feeding system including level sensors for monitoring and for generating signals of an upper level and a lower level of pulverized material in said pulverized fuel feeding system.