Industrial Hot Air Drying Oven with 800*800*800mm Chamber 36 kW Heating Power and 650°C Rated Temperature for Large Capacity Ceramic Drying

I. Equipment Overview

The HRF512-07N nitrogen hot air debinding furnace is a specialized heat treatment equipment designed for applications in electronic components, ceramics, magnetic materials, lithium battery electrode materials, powder metallurgy, and other fields. It is primarily used for processes such as debinding, pre-sintering, degreasing, and sintering. The furnace enables precise temperature control under a nitrogen protective atmosphere, effectively preventing material oxidation during high-temperature processes, thereby ensuring product quality and process stability.

The overall design of the equipment emphasizes safety, reliability, and intelligence, making it suitable for industrial production scenarios that require high standards of process control and environmental atmosphere.

Detailed Photos

II. Main Technical Parameters

•Rated operating temperature: 650°C, up to 700°C.

•Effective furnace dimensions (internal): 800 × 800 × 800 mm (width × depth × height), suitable for batch loading of materials.

•Furnace material: Made of SUS310S high-temperature heat-resistant stainless steel, featuring excellent heat resistance, oxidation resistance, and corrosion resistance.

•Material support structure: Designed with 9 layers, standard equipped with 6 SUS310S stainless steel trays, with a maximum load capacity of 60 kg per layer.

•Heating method and elements: Utilizes stainless steel heaters with a heating power of 36 kW.

•Temperature control accuracy (stability): ±1°C, ensuring highly precise temperature control for delicate processes.

•Temperature uniformity: Tested at 650°C with an empty furnace for 1 hour, uniformity is ±5°C, ensuring consistent temperature distribution inside the furnace.

•Thermocouple type: K-type, standard for high-temperature measurement, stable and reliable.

•Furnace atmosphere: Nitrogen protection, effectively isolating oxygen to prevent high-temperature oxidation of materials.

•Oxygen content control: Equipped with a micro-oxygen analyzer for real-time monitoring of oxygen levels inside the furnace. Under optimal conditions, oxygen content can be as low as 10 ppm (depending on gas source purity).

•Temperature control system: Uses imported Japanese temperature control instruments, ensuring stable performance and precise control.

•Programmable temperature control function: Supports 20 temperature control segments and can store no fewer than 10 process temperature curves to meet diverse process requirements.

•Temperature control and detection points: 1 each, expandable as needed.

•Heating rate limit: ≤5°C/min to prevent thermal stress in materials due to rapid heating.

•Exhaust system: Equipped with a DN50 exhaust chimney, supporting manual adjustment of the exhaust opening for flexible control of furnace atmosphere and pressure.

•Alarm and protection functions: The device features multiple protections, including overtemperature, thermocouple break, low pressure, low water pressure, and motor phase loss/reverse phase. It automatically cuts power in case of overtemperature to ensure device and operational safety.

•Motor protection: The fan has overcurrent protection to prevent motor overload damage.

•Device surface temperature rise: ≤35°C, with well-controlled exterior temperature for improved operational safety.

•Empty furnace heat preservation power: ≤18 kW, more energy-efficient during the heat preservation phase.

•Device exterior color: Light gray, simple and elegant.

•Total device weight: Approximately 1200 kg.

•External dimensions (excluding chimney): 1500 × 1930 × 2000 mm (width × depth × height).

III. System Composition & Control

1. System Composition

   The HRF512-07N Nitrogen Hot Air Debinding Furnace integrates multiple subsystems, including:

2. Control Method

   The equipment adopts a touchscreen + PLC centralized control solution, offering a user-friendly interface and simple operation. It supports automated process control and real-time monitoring. Users can set parameters such as temperature curves, time, and gas flow via the human-machine interface. The system automatically executes according to the programmed settings, minimizing manual intervention and improving production efficiency and process stability.

3. • Furnace Structure System: Features a high-temperature-resistant stainless steel chamber, robustly built for prolonged high-temperature operation.

   • Hot Air Circulation System: Ensures uniform temperature distribution inside the furnace, enhancing process consistency and efficiency.

   • Atmosphere Control System: Introduces high-purity nitrogen to create a low-oxygen or near-oxygen-free environment, equipped with online oxygen monitoring for real-time feedback on furnace atmosphere conditions.

   • Temperature Control System: Utilizes high-precision temperature controllers and programmed control strategies to achieve accurate temperature regulation and multi-stage process execution.

   
   

IV. Operating Conditions

To ensure the safe, stable, and long-term operation of the HRF512-07N nitrogen hot air debinding furnace, the following operating environment and conditions must be met:

1. Gas Supply (Inlet Requirements)

   • Gas Type: High-purity nitrogen, recommended purity of 99.999%

   • Inlet Pressure: 0.2 ~ 0.4 MPa

   • Gas Consumption: Approximately 10 m³/h

2. Cooling Water Supply (Water Cooling System)

   • Water Quality: Clean and non-corrosive

   • Water Temperature: ≤ 23°C

   • Water Pressure: 0.2 ~ 0.4 MPa

   • Water Flow Rate: Approximately 2 ~ 6 L/min

3. Environmental Conditions

   • Ambient Temperature: 0 ~ 40°C

   • Relative Humidity: ≤ 80% RH (no condensation)

   • Environmental Requirements: No corrosive gases, no strong convective air disturbances, to avoid affecting equipment heat dissipation and atmosphere control

4. Ventilation/Exhaust System

   • The equipment must be connected to the user-side exhaust system, with an exhaust capacity greater than 15 m³/h, to promptly discharge furnace exhaust gases and maintain atmosphere stability.

5. Installation Floor Requirements

   • The floor must be level with no significant vibrations.

   • Load-Bearing Requirement: ≥ 300 kg/m²

   • Recommended Installation Area: Space no smaller than 2000 × 3000 × 3000 mm (width × depth × height), with a minimum installation area greater than 6 m².

6. Power Supply

   • Power System: Three-phase five-wire, 50 Hz

   • Voltage: 220/380 V (confirm based on actual site conditions)

   • Power Capacity: > 50 kVA

   • Power Cable Color Standards:

   • Live Wire: Yellow, Green, Red

   • Neutral Wire: Blue

   • Ground Wire: Yellow-Green

V. Digital Intelligence Functional Requirements

The equipment incorporates multiple digital intelligence features in its design to meet modern industrial demands for automation, informatization, and intelligence:

A. Process Automatic Control

• Automatic Gas Valve Control: Automatically switches nitrogen and other gas supplies according to the process program, eliminating manual operation and improving process consistency.

• Automatic Temperature and Time Control: Supports preset programs for automatic execution of heating, insulation, and other processes, enabling unattended operation.

• Multi-stage Temperature Control Program: Supports no fewer than 9 programmable stages, with independent temperature and time settings for each stage. Temperature control accuracy reaches ±1°C, meeting complex process requirements.

B. Data Acquisition and Communication

• Real-time Temperature Data Collection and Curve Display: The system automatically collects and records furnace temperature and setpoint temperature, generating temperature change curves for process analysis and traceability.

• OPC UA Protocol Support: The equipment features standardized data communication interfaces, supporting integration with MES, ERP, or other upper-level systems to achieve production data interconnection and remote monitoring, aligning with Industry 4.0 development trends.

C. Safety Control and Alarms

• The control system integrates multiple safety mechanisms, including power management, gas control, and abnormal alarms, ensuring safe and reliable equipment operation.

• Includes: Over-temperature protection, thermocouple break protection, low water pressure/low air pressure alarms, motor phase loss/reverse phase protection, fan overcurrent protection, etc.

• Automatically cuts power in case of over-temperature to prevent equipment damage and safety incidents.

VI. Summary

The HRF512-07N Nitrogen Hot Air Debinding Furnace is a high-performance, highly reliable, and intelligent thermal processing equipment with the following core advantages:

•Precise Temperature Control: Temperature control accuracy of ±1°C, uniformity of ±5°C, meeting stringent process requirements

•Nitrogen Protection: Effectively prevents oxidation, equipped with real-time oxygen content monitoring, optimal levels as low as 10ppm

•Multi-Stage Process Control: Supports 20-stage programming, stores multiple process curves, adapting to diverse production needs

•Safe and Reliable: Multiple alarm and protection mechanisms, ensuring comprehensive safety for both equipment and operators

•Digital Intelligence Features: Supports automatic control, data acquisition, and OPC UA communication, facilitating intelligent production management for enterprises

This equipment is suitable for production fields with high requirements for atmosphere control, temperature accuracy, and process stability, making it an ideal choice for industries such as electronic materials, advanced ceramics, and battery materials. For further details on equipment customization, installation, or process integration solutions, in-depth discussions can be conducted based on specific application scenarios.