BASICS
The purpose of the regenerative system is to use the heat discharged from the chimney at the maximum level. For this, there are cases behind the regenerative burners acting as a chimney in the system. The burners pass the air in the furnace over themselves and transmit it to the cases containing ceramic balls. Here, the heated balls heat the cold air coming after the exchange and give it to the burner as combustion air. The exhaust temperature thrown into the chimney at the exit of the boxes is around 70 °C-150 °C.
With Regenerative Burners, combustion air temperature of 1000 °C can be reached with an efficiency of up to 90% at an operating temperature of 1500 °C. In this way, it provides energy savings of up to 50%.
Regenerative burners are designed to recover and reuse the exhaust heat from the high-temperature combustion chamber and to heat the combustion air.
Regenerative burners work with the mutual and controlled working principle of two heat cell structures with the same feature.
Before the regenerative burner system, 10% of the energy consumed to feed the pilot flame is consumed. Each burner contains a ceramic honeycomb or a case of balls. The designs of these regenerators may differ from burner to burner. In these systems, while the first burner works in the combustion mode with cold combustion air, the other burner absorbs the exhaust gases in the combustion chamber. Heating of the combustion air is provided by storing the heat in ceramic honeycombs or balls.
The Regenerative Combustion System works by directing the exhaust gases from the furnace into an environment filled with refractory material such as alumina balls or ceramic honeycombs to collect heat. Alumina balls and ceramic honeycombs are economical materials with excellent corrosion resistance and heat resistance. The high-temperature exhaust gas heats the alumina ball or ceramic honeycomb medium at high temperature, so the high-temperature waste heat energy from the exhaust is recovered and stored. When the environment is fully heated, the direction of the exhaust gas is reversed, the stored heat is transferred to the inlet combustion air entering the burner. In the regenerative environment, the preheating combustion air starts to ignite the burner at approximately 750 °C-1100 °C and a flame is sprayed into the furnace at high speed. The exhaust from the hot (regenerative) environment then heats the cold environment and the process continues. Because of this technique, the regenerative burner avoids the waste of fuel used to heat the combustion air, which increases combustion efficiency.
TECHNICIAL SPECIFICATIONS
Capacity: 300 kw-15.000 kw power range
Ability to work at high temperatures
High temperature resistant internal structure
Ability to heat combustion air up to 950 C
AREAS OF USAGE
In the Aluminum Industry; Aluminum melting furnaces, Electromagnetic pump assisted reverberatory furnaces, Holding furnaces, Casting furnaces, Reverberatory furnaces, Top-fed furnaces, Fixed reverberatory furnaces, Circular section furnaces, Open balcony furnaces, Twin chamber furnaces, Condensation furnaces, Bottom Heated Condensation furnaces, Tower furnaces , Tilting reverberatory kilns, Barrel type kilns, Oval kilns, Ladle kilns, Rotary kilns etc. used in furnaces.
In the Iron-Steel Industry; Rolling furnaces, Billet annealing furnaces, Ladle heating systems, Ladle drying systems, Tundish heating systems, tundish drying systems, etc. It is used in systems that require high temperatures.
In Heat Treatment Furnaces; Due to the high temperatures in the heat treatment furnaces in the steel industry, a high level of energy efficiency is achieved by preheating the combustion air.