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PI 9 Economic and technical aspects of combustion control in heating furnaces
1
PRZEDSIĘBIORSTWO TECHNIKI CIEPLNEJ Sp z o.o. PL. 44-100 Gliwice, ul. Wroclawska 24, skr. poczt. 125A www.piecoserwis.com.pl e-mail: [email protected] tel. (+48 32) 238-26-59, 230-21-37, 230-28-18, fax (+48 32) 231-48-06 PN-EN ISO 9001: 2009 PN-EN 18001:2004 PN-EN ISO 14001:2005 Certyfikat Nr PL-JBS-188/1/2011 PI-9 ECONOMIC AND TECHNICAL ASPECTS OF COMBUSTION CONTROL IN HEATING FURNACES The use of chemical energy of fuel Picture 1 Diagram published in the media's Super Systems Inc., USA The above diagram shows that if we assume the amount of available heat at a temperature of about 1100 0 C and at the oxygen content in exhaust gases 0% for 100%, the increase in oxygen concentration, sequentially to 2,1, 4,5 and 7,4 will reduce the amount of available heat to the values of 90,75, and 60%. A comparison can be seen as great opportunities to reduce gas consumption, exhaust emission control creates and adjustment of the ratio of excess air. Technical solutions The burner installation is equipped with an oxygen sensor that measures the oxygen concentration continuously. The sensor cooperates, through the PLC controller, with gas flow control systems for each burner or burner section. Increased carbon monoxide in exhaust gases imposes appropriate rigors for the construction of the furnace. The furnace should have proper door seals and a hearth and an effective regulation of the pressure in the furnace chamber. Combustion of CO is also possible, in a properly shaped exhaust duct.
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Transcript of PI 9 Economic and technical aspects of combustion control in heating furnaces
PRZEDSIĘBIORSTWO TECHNIKI CIEPLNEJ
Sp z o.o. PL. 44-100 Gliwice, ul. Wrocławska 24, skr. poczt. 125A
www.piecoserwis.com.pl e-mail: [email protected] tel. (+48 32) 238-26-59, 230-21-37, 230-28-18, fax (+48 32) 231-48-06
PN-EN ISO 9001: 2009 PN-EN 18001:2004
PN-EN ISO 14001:2005
Certyfikat Nr PL-JBS-188/1/2011
PI-9 ECONOMIC AND TECHNICAL ASPECTS OF COMBUSTION CONTROL IN HEATING FURNACES
The use of chemical energy of fuel
Picture 1 Diagram published in the media's Super Systems Inc., USA
The above diagram shows that if we assume the amount of available heat at a temperature of about 1100 0C and at the oxygen content in exhaust gases 0% for 100%, the increase in oxygen concentration, sequentially to 2,1, 4,5 and 7,4 will reduce the amount of available heat to the values of 90,75, and 60%. A comparison can be seen as great opportunities to reduce gas consumption, exhaust emission control creates and adjustment of the ratio of excess air.
Technical solutions The burner installation is equipped with an oxygen sensor that measures the oxygen concentration continuously. The sensor cooperates, through the PLC controller, with gas flow control systems for each burner or burner section. Increased carbon monoxide in exhaust gases imposes appropriate rigors for the construction of the furnace. The furnace should have proper door seals and a hearth and an effective regulation of the pressure in the furnace chamber. Combustion of CO is also possible, in a properly shaped exhaust duct.
