Burners are important part of any oven in bakery industry . Burners can be classified in following category.
Natural gas & Light Oil
Natural gas & Heavy Oil
High pressure burners
Low pressure burners
Direct fired burners
Selection of burners have to done as per requirement .Now days new type of burners are available which are energy efficient , low pollution and are fuel efficient .Burner have safety features attached which prevents from any fire explosion or fire hazard.
Wesman north american burner
These burners are conventional burners and can be used for gas and oil .
Primary and secondary air for combustion is supplied by high rpm blower .ratio trol and sensi trol are installed in burner circuit to control air fuel ratio
pumps are used from fuel tank to burners .uv flame detectors are used in burner circuit stop blower and burner in case of flame failure. Electrodes are used for spark which ignites flame .
Flame adjustment through mechanical levers .
Disadvantages of these burners are that these high energy consuming burners . burners have to controlled manually to reduce temperatures .hence high fuel consumption.The only advantage it has over other burners is that we can use it for low quality fuel like Furnance oil.Burner block are heavy has difficulty during installation and dismantling. Maintenance cost is more of such type of burner.
Single stage high pressure bentone burners
These burners are compact and have pump attached with burner which give high pressure oil for atomisation. with blower also attached to burner for air .electrodes are present for spark . Can be easily installed and dismantled. Elect Energy and fuel are saved as it has electronic cards which allows burner to restart once the burner stops after achieving desired temperature. Good for small ovens . It is fuel efficient and has got simple operations . Different sets of nozzles can be installed in burner s as per requirement.Available in gas and oil fired models.
Dual stage type high pressure - weishaupt burners
Weishpaut burners have been introduced in bakeries presently which has proved to be fuel and power efficient .It is compact burner pump and blower attached to th body .Gas and oil models are available with G & L series .Burner has mechanism of two stage firing as temperatures goes on higher side it operates in two stages . This can help i increasing in fuel efficiency of burner .Installation &dismantling is simple . Various nozzles sizes are available works on sequence controllers .
Important spares for burner being Fuel pumps , Nozzles , Electrodes , Sequence controller ,Ignition transformer , Flame sensor ( Photo cell ) ,Modulating dampers .