Three-Layer Single-Door Energy-Saving Vacuum Oven

 

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

Composed of 5 parts:

1. Frame structure

2. Inner chamber

3. Vacuum and nitrogen system

4. Electrical control system

5. External circulation system

2. Working Principle

Each unit can work continuously in a cycle. Basic process: open the door to place battery cells or electrode sheets into the oven, then set heating, vacuum, and nitrogen timing. The system automatically executes heating and timed ventilation based on preset parameters to complete the baking process.

3. Configuration

3.1. Inner Chamber: Made of 3.0 mm stainless steel with iron square tubing reinforcement.

3.2. Frame: Made of 1.5 mm high-quality cold-rolled plate; double-layer insulation using aluminum silicate, aluminum foil cotton, and sound insulation cotton.

3.3. Hot Air System: Each layer consists of fan, heating box, air duct, and piping to ensure temperature uniformity.

3.4. Control System: Includes PLC, touchscreen, pressure sensor, high-vacuum baffle valve, solid-state relays, temperature controller, solenoid valve group.

3.5. Hardware: Includes 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

6. Electrical Configuration

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