Hot Air Humidity-Controlled Tunnel Oven

Product Name: Hot Air Humidity-Controlled Tunnel Oven

Product Dimensions of Hot Air Humidity-Controlled Tunnel Oven

Inner Chamber Dimensions

Length: 6000 mm

Net Height: 200 mm

Maximum Width: 620 mm

Overall Dimensions

Length: 7000 mm

Width: 1180 mm

Height: 1090 mm

Height from Ground to Conveyor Surface: 630 ±20 mm

Temperature Parameters

Temperature Range: Ambient ~ 250°C

Instrument Display Accuracy: ±0.1°C

Temperature Fluctuation: ≤±1°C

Temperature Uniformity: ≤±5°C (no-load)

Heating Rate: ≥7°C/min

Shell Temperature Rise: ≤ Ambient +15°C; Around Joints: ≤ Ambient +30°C

Power Supply

Voltage: 380V, 50HZ

Total Power: ~35KW

Electrical System

Power Supply: Three-phase five-wire AC380V, 50HZ, total power ~35KW.

Temperature Controller: Japanese Omron intelligent temperature controller with PV/SV dual digital display and PID auto-tuning function.

PID Linear Output: Controls SSR (silicon controlled rectifier) for precise temperature regulation.

SSR Output: Continuous buffer-type output to control heaters, eliminating instantaneous current surges and large temperature fluctuations caused by traditional zero-cross triggering.

Electrical Components: Genuine Chint brand components to ensure stable operation and reduce equipment failures due to component issues.

Safety Functions: Over-temperature power-off, leakage protection, motor overload protection.

Instrument Accuracy: ±0.1°C; Temperature Uniformity: ±2.5%.

Conveyor System

Conveyor Belt: PVC belt with effective width of 600 mm, variable speed controlled by frequency converter (speed adjustable).

Temperature Range: Ambient ~ 260°C.

Material Specifications

Outer Shell

Material: T1.5mm cold-rolled steel plate

Surface Treatment: High-temperature plastic spraying (anti-static, corrosion-resistant)

Dimensions: L7000×H1090×W1180

Inner Chamber

Material: SUS304# T1.5mm stainless steel (clean, dust-free, rust/corrosion-resistant)

Insulation: 100mm thick high-temperature resistant insulation wool

Inner Dimensions (Heating Section): L6000×H200×W620

Zoning: 6 temperature zones, each 1000mm in length.

Protection Devices

Intelligent Temperature Control

PTD automatic calculation of output power: Reduces power output as the set temperature is approached for energy-saving and stable temperature control.

Over-temperature Alarm

Automatically cuts off heating power when the detected temperature exceeds the set value (dual-protection function).

Acoustic-Optic Alarm

Alarm light with buzzer for fault indication.

Grounding Protection

Structural components with safety grounding.

Phase Loss/Phase Sequence Protection

Equipped with phase sequence protector.

Environmental Conditions

Ambient Temperature: -5°C ~ +40°C

Relative Humidity: ≤85%RH

Power Supply: AC220V±10%, 50HZ (Note: Conflicting with previous 380V specification; recommend verifying the correct voltage.)

Application Scope

Widely used in precision baking, drying, tempering, preheating, shaping, and processing for industries such as electronics, IC, SMT, motors, communications, electroplating, plastics, hardware, chemicals, screen printing, spraying, glass, ceramics, and wood building materials.