Description
Online Annealing Furnace type:
• The whole furnace adopts countercurrent open fire heating type, each section controls temperature and adjusts atmosphere separately. Using gas heating technology, the main characteristics of the furnace type are: open flame heating, oxygen and oxygen combustion and control.
• Total thermal risk control technology can maximize gas energy consumption and reduce production and operating costs compared to other furnace types. Temperature control, wind and gas ratio coefficient, safety failure, etc. are fully controlled by the program.
• The whole furnace is composed of multiple furnace bodies, and the wire inlet is respectively equipped with a heating section, a heating section, a heating section, a heating section and a heating section. Each section of heating is relatively independent and influences each other.
• The front and rear steel wire inlet and outlet of the furnace are equipped with electric switch furnace doors, easy to operate.
• Smoke exhaust system: the smoke is discharged from the inlet wire, through the air heat exchanger, furnace pressure electric regulating valve, through the smoke pipe into the steel chimney natural emission.
Furnace lining structure
The furnace body adopts mullite refractory brick to strengthen the heat preservation of the furnace and improve the thermal stability during production.
External walls are made of kom-mullite poly brick + thermal insulation board
Gas supply main and combustion safety system
The gas supply main pipe is composed of electric regulating valve and solenoid valve.
Automatic control system and instrument detection device
• The gas pressure regulator is set in front of the furnace to ensure the stable operation of the control system.
• All hot air combustion system and a factor (air fuel ratio) real-time control.
Electrical configuration:
Heat treatment computer control system includes Germany Siemens PLC and Taiwan Advantech brand industrial computer IPC.
the lower computer is Germany Siemens PLC.
| No. | Item | Specification |
| 1 | Type of fuel | Natural gas |
| 2 | Electrical Power | Three-phase five-wire system |
| 3 | Length furnace | 27.5m |
| 4 | Net width inside furnace | 1.39m |
| 5 | Number of heating sections | 4 |
| 6 | Heating power | 95 ×104×4.18KJ/h |
| 7 | Max Temperature | 950℃ |
| 8 | Heating Method | Side Heating |
| 9 | Number of burners | 28 |
| 10 | Approve lines | 40 |
| 11 | Furnace temperature control accuracy | ±3℃ |
| 12 | Waste heat recovery and | High efficiency plug-in |
|
heat exchange device type |
tubular heat exchanger |
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