Atmosphere Conveyor Belt Furnace Machine For Sintering Brazing 200C-1100C

ISO Certified Electric Holding Furnace for Sintering at 200-1100 ordm C SLA3804-1112ZnO Type Atmosphere Furnace

I.Equipment Name: SLA3804-1112ZNO Type Atmosphere Sintering Furnace

 II.Technical Specifications and Basic Configuration:

Primarily used for high-temperature sintering and heat treatment processes of DBC ceramic-coated copper foil under mixed N₂ and O₂ atmosphere. Specific details are as follows:

2.1 Rated Temperature: 200~1100ºC; Maximum Temperature: 1150ºC
2.2 Effective Height: 40mm
2.3 Conveyor Belt Width: 385mm
2.4 Conveyor Belt Material: Cr20Ni80
2.5 Maximum Load: 35Kg/m² (excluding the weight of the conveyor belt)
2.6 Furnace Structure: Large chamber Inconel601 material muffle tube structure, with the muffle bottom fully covered with support boxes to enhance rigidity (the muffle bottom is fully covered with dispersion gas boxes)
2.7 Drive System: Large wrap angle friction drive
2.8 Speed Range: 30~200mm/min, variable frequency stepless speed control
2.9 Heating Elements: Ceramic fiber heating modules
2.10 Sintering Atmosphere: Nitrogen + Oxygen
2.11 Gas Circuit Composition: Refer to Section 3.2 for technical details
2.12 Oxygen Content Detection Points: Nitrogen gas source, heating zone, high-temperature zone, cooling zone, nitrogen-oxygen mixed gas source (5 points) with a total of ten stainless steel detection pipelines connected to an oxygen analyzer. Electromagnetic valves are used to switch detection points, allowing real-time monitoring of oxygen content inside the furnace for convenient adjustment and selection of gas flow.
2.13 Oxygen Content (analyzed online with an oxygen analyzer, tested under pure nitrogen atmosphere):
Heating Zone ≤15ppm + gas source oxygen content
High-Temperature Zone ≤10ppm + gas source oxygen content
Cooling Zone ≤10ppm + gas source oxygen content
Cooling Zone ≤15ppm + gas source oxygen content
2.14 Exhaust System: One exhaust pipe is installed at the inlet transition sleeve (refer to Section 3.2 for technical details)
2.15 Cooling Method: Combined air and water cooling, with one water temperature detection point in the cooling water jacket
2.16 Structural Division: Refer to Section 3.1 for technical details
2.17 Temperature Control Stability: ±1ºC
2.18 Furnace Temperature Uniformity: ±2ºC (in the constant temperature zone, across the width of the conveyor belt)
2.19 Heating Rate: ≤2ºC/min
2.20 Number of Temperature Zones: 11
2.21 Temperature Control Points: 33 (independent control for left, middle, and right in each temperature zone)
2.22 Front Section Thermocouple Type: K Type (for Zones 1 to 4)
2.23 Rear Section Thermocouple Type: S Type (for Zones 5 to 11)
2.1 Alarm Indicators: Over-temperature, under-temperature, frequency converter alarm, thermocouple break, low air pressure, low water pressure, conveyor belt over-length, etc., with audible and visual alarms
2.2 Power Failure Protection: Equipped with a manual crank-out device
2.3 Belt Stop Protection: Emergency stop buttons installed at both the inlet and outlet end plates
2.4 Surface Temperature Rise: <35ºC
2.5 Heating Power: Approximately 88kW
2.6 Idle Furnace Insulation Power: ≤24kW
2.7 Weight: Approximately 4200Kg
2.8 External Dimensions: 9550×1200×1350mm (L×W×H), excluding chimney, indicator lights, and feet
2.9 Control Panel: High-temperature spray coating in camel gray computer color

III. Normal Operating Conditions for the Equipment

3.1 Nitrogen: Dry and clean, purity 99.999%, working pressure 0.3~0.5MPa, gas consumption approximately 25~38m³/h.
3.2 Oxygen: Dry and clean, purity 99.999%, working pressure 0.1~0.2MPa, gas consumption approximately 2~5L/h (depending on the process).
3.3 Cooling Water: Clean and non-acidic/alkaline, working pressure 0.15~0.25MPa, return water pressure-free; circulation rate: 2~4m³/h; inlet water temperature: <25ºC.
3.4 Environmental Conditions: Temperature: 0~40ºC, humidity: ≤80% RH, no corrosive gases, no strong air flow disturbances.
3.5 Ventilation System: Non-contact connection to the user's exhaust system, exhaust capacity greater than 40m³/h.
3.6 Floor: Level, with no significant vibrations, load-bearing capacity >500Kg/m².
3.7 Power Requirements: Capacity greater than 114 KVA, 3-phase 5-wire, voltage 220/380V, frequency 50Hz. Live wires: yellow, green, red; neutral wire: blue; ground wire: yellow-green. This power line is dedicated; please provide a separate power distribution system. Precision instrument power supplies and high-power equipment such as welding machines, electric furnaces, and metal cutting machines should not be connected to this power distribution system.
3.8 Installation Site: 12000×3000mm×3000mm (L×W×H), installation area greater than 36m².