SAIMAI NEW INDUSTRIAL EQUIPMENT (GUANGDONG) CO.,LTD..
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Direct gas fired oven
The direct gas fired ovens use ribbon burners that are placed above and below conveyor belts for directly transfering heat to the products, the flames created by each burner then radiate energy into the baking chamber, heating the air and the products.
Each burner is supplied with a mixture of gas and air. The flow rate of each component determines the extent of the combustion reaction, and hence the temperature set point of the oven.
There are various elements for adjusting the size of the flame across the width of the oven to ensure even heating.
Features:
| Air supply system | Each zone is equipped with an independent air supply system. |
| Gas supply system
| Each zone is equipped with an independent gas supply system and equipped with the dual electromagnetic slow-opening valves can prevent the sudden connection of the gas |
| Exhausting system | It is equipped with two sets of exhaust dampers respectively at upper and lower of each zone, Each exhaust fan is equipped with independent inverter, and the exhaust volume can be adjusted in real time. |
| Ignition system
| It is automatically controlled by the burning program controller, and each burning pipe can be selected and turned on/off from the touch screen, Flame detection ensures gas is cut off when there is no flame in the combustion system. |
| Temp Control system
| Three temperature probes are set for the upper fire in each temperature zone, another three temperature probes are set for the bottom fire, and the average value of the three temperature measurement points is taken as the reference temperature, to reduce the measurement error and improve the temperature control accuracy. |
| Control system | The core control system is Rockwell PLC, and the distributed IO control method is used to realize regional modular control. The main control module is used to control the overall operation of the system; each zone is equipped with independent temperature control modules to achieve precise control; The whole oven is equipped with multiple safety monitoring systems to ensure the safety and stability of equipment operation. |