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Three Layer Single Side High Vacuum Drying Oven for Cell Electrode Sheets Baking
Series: Standard Vacuum Oven Series
Applicable Products: Batteries, battery cells, electrode sheets
Internal Dimensions: 350(H) × 850(W) × 800(D) mm × 3 layers
External Dimensions: 2000(H) × 1270(W) × 1150(D) mm
1. Basic Structure
Made up of 5 components:
1. Frame structure
2. Inner chamber
3. Vacuum and nitrogen system
4. Electrical control system
5. External circulation system
2. Working Principle
Each unit is capable of continuous cyclic operation. Basic process: open the door to place battery cells or electrode sheets into the oven, then set the timing for heating, vacuum, and nitrogen. The system automatically carries out heating and timed ventilation according to preset parameters to finish the baking process.
3. Configuration
3.1. Inner Chamber: Constructed with 3.0 mm stainless steel, reinforced by iron square tubing.
3.2. Frame: Fabricated from 1.5 mm high-quality cold-rolled plate; double-layer insulation with aluminum silicate, aluminum foil cotton, and sound insulation cotton.
3.3. Hot Air System: Each layer is made up of a fan, heating box, air duct, and piping to ensure temperature uniformity.
3.4. Control System: Contains PLC, touchscreen, pressure sensor, high-vacuum baffle valve, solid-state relays, temperature controller, and solenoid valve group.
3.5. Hardware: Features door, rear cover, vacuum pipes, and other stamped components.
4. Machine Features
4.1. Door Type: Single-opening; elastic double-layer glass door; three-layer pressure monitoring with overpressure protection.
4.2. Inner Chamber Seal: Molded silicone O-ring, high temperature and corrosion resistant.
4.3. Working Principle: Surrounding hot air external circulation. Double insulation keeps outer temperature within +20°C of ambient.
4.4. Heating Structure: O-type external circulation air, left air outlet and right air intake to ensure uniform temperature.
4.5. High Vacuum Pneumatic Baffle Valve: Three-layer isolation, independently controlled.
4.6. Touchscreen Display: Fully automatic cycle control with return to vacuum pressure holding after completion; digital safety temperature display.
4.7. Multi-level Overtemperature Protection: Effectively prevents temperature runaway and enhances protection accuracy.
4.8. Touchscreen Central Operation: Easy and reliable operation. PLC program control ensures stable performance.
4.9. Independent Layer Control: Each layer can set total baking time, cycle time, vacuum time, and drying time. After parameter setting, pressing auto button starts the baking cycle. Automatic shutdown occurs after baking completes. Over-temperature alarm is triggered with red light and message display.
4.10. Nitrogen Charging Control: Charging stops automatically at setpoint between -0.1 MPa and -0.02 MPa.
4.11. Fault Alarms: On-screen fault alerts and cause descriptions during normal operation.
4.12. Vacuum Pipe: Corrosion-resistant.
4.13. Program Interlock: Prevents cross-contamination between layers.
5. Technical Specifications
|
No. |
Item |
Specification |
|
1 |
Heating Principle |
External circulation hot air heating |
|
2 |
Power Supply |
380V 50Hz 14KW |
|
3 |
Gas Source |
Dry gas: 0.1–0.2 MPa / Vacuum: -0.098–-0.1 MPa / Compressed air: 0.4–0.5 MPa |
|
4 |
Temperature Range |
Ambient to 120°C |
|
5 |
Vacuum Retention |
-0.1 to -0.098 MPa; ≥95% retention for 24h under ambient pressure |
|
6 |
Display Error |
≤±1°C between setpoint and stabilized value |
|
7 |
Insulation |
External temperature ≤45°C (excluding glass door) |
|
8 |
Temperature Uniformity |
≤±3.5°C within 50 mm from chamber walls at atmospheric pressure |
|
9 |
Interlayer Temperature Difference |
≤20°C (adjacent layer temp rise ≤100°C; ≤20°C above ambient) |
|
10 |
Response Time |
Ambient to 85°C in ≤30 min; core stabilization time: 90–120 min (no load) |
|
11 |
Interface Position & Size |
Located at rear; Vacuum: DN20; Gas inlet: Φ12 mm air tube |
|
12 |
Inner Chamber Size |
350(H) × 850(W) × 800(D) mm × 3 layers |
|
13 |
Outer Dimensions |
2000(H) × 1270(W) × 1150(D) mm |
|
14 |
Color |
Gray-white-orange (customizable) |
6. Electrical Configuration
|
No. |
Component |
Specification |
|
1 |
PLC |
Inovance |
|
2 |
Touchscreen |
7-inch Inovance color screen |
|
3 |
Temperature Controller |
Digital intelligent controller / PID auto-tuning |
|
4 |
Temperature Control Mode |
PID + SSR (thyristor), Shanghai Yatai |
|
5 |
Over-temp Protection |
Shanghai Yatai Controller |
|
6 |
Temp Sensor |
Hualing K-type thermocouple |
|
7 |
Vacuum Gauge |
Digital / ±101.0 kPa, Taiwan Kingdom |
|
8 |
Vacuum/Nitrogen Valves |
Vacuum baffle valve |
|
9 |
Alarm Device |
Yijia |
|
10 |
Heating Tube |
Custom-made |
|
11 |
Control Mode |
Independent control for each chamber; PLC automatic circulation for heating, vacuuming, and nitrogen; operations set via touchscreen |
7. Installation Requirements
7.1 Installation Distance: Minimum 1500 mm in front; ≥500 mm on sides and rear. User must provide independent power switch and external wiring.
7.2 Installation Site Conditions (provided by buyer):
l 7.2.1 Power: 3-phase 4-wire AC 380±38V, 50±1Hz
l 7.2.2 Vacuum Source: -0.1 MPa, DN20 hose barb
l 7.2.3 Nitrogen Source: 0.1–0.2 MPa, Φ12 gas tube
l 7.2.4 Compressed Air: 0.4–0.6 MPa, Φ8 gas tube
7.4 Power Consumption: ≤12 kWh max
7.5 Environmental Requirements:
l 7.5.1 Temperature: -5~35°C, Humidity: ≤40%
l 7.5.2 No flammable/explosive gas, liquid, or solids nearby
l 7.5.3 Prohibited to bake flammable, combustible, or explosive materials inside the oven
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Contact: Lily You
Phone: +86 18650702009
Tel: +86 18650702009
Email: saleskatbattery@gmail.com
Add: No. 988 Xiahe Road, Siming District, Xiamen City
919121614
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