HRF512-07N Nitrogen Hot Air Drying Oven 800x800x800mm Ceramic Drying

I. Equipment Overview

The HRF512-07N nitrogen atmosphere hot air debinding furnace is a high-temperature thermal processing equipment specifically designed for debinding, pre-sintering, and heat treatment processes in industries such as electronic components, ceramics, powder metallurgy, and lithium battery materials. This equipment operates under a nitrogen protective atmosphere, effectively preventing material oxidation during high-temperature processes and ensuring product quality. It features precise temperature control, a stable atmosphere environment, reliable automated control, and safety protection functions, making it suitable for production scenarios with high requirements for process stability and product consistency.

Detailed Photos

II. Main Technical Parameters

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

• Furnace effective dimensions (internal): 800 × 800 × 800 mm (W × D × H), suitable for batch loading

• Furnace material: Made of SUS310S high-temperature heat-resistant stainless steel, offering excellent thermal shock and oxidation resistance

• Load-bearing structure: Designed with 9 layers, equipped with 6 SUS310S stainless steel trays, each layer supporting a maximum load of 60 kg

• Heating method: Stainless steel heaters with a heating power of 36 kW

• Temperature control accuracy: Stability of ±1°C, uniformity of ±5°C (tested at 650°C for 1 hour in an empty furnace)

• Thermocouple type: K-type thermocouple for precise temperature measurement

• Atmosphere system: High-purity nitrogen is introduced into the furnace to create a low-oxygen protective environment, with optimal oxygen content reaching 10ppm (depending on gas source purity)

• Oxygen content monitoring: Equipped with a micro-oxygen analyzer for real-time monitoring and display of oxygen levels, ensuring stable process atmosphere

• Temperature control system: Uses imported Japanese temperature controllers for stable and reliable operation, supporting precise temperature control

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

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

• Exhaust system: Includes a DN50 exhaust chimney with manual adjustment for controlling furnace atmosphere and pressure

• Alarm and protection functions: Multiple protections including overtemperature, thermocouple break, low air/water pressure, motor phase loss/reversal, with automatic power-off in case of overtemperature to ensure equipment and operational safety

• Motor protection: Fan features overcurrent protection to prevent motor overload damage

• Surface temperature rise: Device surface temperature rise does not exceed 35°C, enhancing operational safety

• Heating rate limit: Controlled at ≤5°C/min to avoid material defects caused by rapid heating

• Empty furnace holding power: ≤18 kW, energy-efficient design

• Equipment appearance color: Light gray

• Total weight: Approximately 1,200 kg

• External dimensions (excluding chimney): 1500 × 1930 × 2000 mm (W × D × H)

III. System Composition and Control Method

The debinding furnace consists of the furnace structure, hot air circulation system, atmosphere control system, and temperature control system, all working in coordination to ensure stable, efficient, and safe operation.

1. Furnace Structure

   The furnace chamber is made of SUS310S stainless steel, offering excellent high-temperature strength and corrosion resistance, capable of prolonged high-temperature operation while maintaining good sealing and atmosphere control.

2. Hot Air Circulation System

   The built-in high-efficiency hot air circulation system ensures uniform temperature distribution, improving heat treatment consistency and reliability, especially suitable for processes requiring high temperature uniformity.

3. Nitrogen Atmosphere System

   High-purity nitrogen (99.999%) is introduced to maintain a low-oxygen environment, preventing material oxidation at high temperatures. Equipped with a micro-oxygen analyzer for real-time monitoring, ensuring optimal process atmosphere with oxygen content as low as 10ppm (depending on gas source).

4. Temperature and Process Control System

   The device adopts a centralized control system combining touchscreen and PLC, featuring a user-friendly interface and powerful functionality. Supports multi-segment programmable temperature control with precision up to ±1°C, capable of storing and recalling various process curves to meet complex process needs. The system supports at least 9 segments for precise control of temperature and time at different stages.

IV. Equipment Operating Conditions

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

1. Gas Supply (Inlet)

   • Gas type: High-purity nitrogen, purity ≥ 99.999%

   • Inlet pressure: 0.2 ~ 0.4 MPa

   • Nitrogen 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

   • Circulating water flow: Approximately 2 ~ 6 L/min

3. Power Supply

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

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

   • Power capacity: >50 kVA

   • Power cable color standards:

   • Live wires: Yellow, green, red

   • Neutral wire: Blue

   • Ground wire: Yellow-green

4. Environmental Conditions

   • Ambient temperature: 0 ~ 40°C

   • Relative humidity: ≤80% RH

   • No corrosive gases or strong air convection interference

5. Ventilation and Exhaust

   • The device must be connected to a user-side exhaust system with a capacity >15 m³/h, non-contact connection

   • The exhaust system includes a DN50 chimney with manual adjustment for atmosphere control

6. Installation Foundation and Space

   • Installation surface must be level and vibration-free, with a load-bearing capacity >300 kg/m²

   • Recommended installation area dimensions: 2000 × 3000 × 3000 mm (W × D × H)

   • Minimum installation area: ≥6 m²

V. Digital and Intelligent Features

The equipment not only features traditional high-precision temperature and atmosphere control but also incorporates digital and intelligent functions to support automated production and data management:

1. Automated Process Control

   • Automatic gas valve control: Switches nitrogen and other gases according to the process program without manual operation, improving consistency and convenience

   • Automatic temperature and time control: Executes preset heating and holding programs for precise process control

   • Multi-segment program control: Supports ≥9 segments, each with independent temperature and time settings, achieving ±1°C precision for complex multi-step processes

2. Data Collection and Communication

   • Real-time temperature data collection and curve display: Automatically records actual and set temperatures, generating curves for process traceability and optimization

   • OPC UA protocol support: Standardized data interface for integration with MES, ERP, or other upper-level systems, meeting Industry 4.0 and smart factory requirements

3. Safety Control and Alarms

   • Integrated safety mechanisms for power management, gas control, and anomaly alarms

   • Includes overtemperature protection, thermocouple break protection, low water/air pressure alarms, motor phase loss/reversal protection, and fan overcurrent protection

   • Automatic power-off during overtemperature, surface temperature rise ≤35°C, heating rate ≤5°C/min, ensuring comprehensive safety and product quality

Hefei Chitherm Equipment Co., Ltd. is an advanced equipment supplier specializing in the research and development, design, manufacturing, sales, maintenance, and service of high-, medium-, and low-temperature industrial furnaces and laboratory furnaces. Its product range encompasses bell furnaces, box furnaces, hot air furnaces, vacuum furnaces, tube furnaces, mesh belt furnaces, bogie hearth furnaces, rotary furnaces, roller hearth furnaces, and pusher furnaces, which are extensively applied in fields such as advanced ceramics, electronic components, thick-film circuits, additive manufacturing, powder metallurgy, new energy, and photovoltaics. These furnaces are suitable for thermal treatment processes of materials including ITO targets, MLCC/HTCC/LTCC, ceramic filters, magnetic materials, CIM/MIM, and lithium battery cathodes and anodes, as well as various other new material processes such as pre-sintering, dewaxing, degreasing, sintering, drying, heat treatment, curing, and ceramization.

1.What products does Chitherm offer?
We provide customers with high-quality bell furnaces, hot air furnaces, box furnaces, tube furnaces, vacuum furnaces, car bottom furnaces, rotary kilns, mesh belt furnaces, and pusher furnaces.
2.What pre-sales services does Chitherm provide?
We offer timely consultation services to help customers select the most suitable products, along with highly customizable solutions to meet your specific requirements.
3.What are Chitherm's core strengths?
As a high-tech enterprise integrating R&D, manufacturing, and sales, Chitherm possesses patented technologies and core resources to deliver superior solutions.