1.Product Overview
Model: HWF100-10NH
Application: Designed for medium-temperature heat treatment of electronic products, including electronic ceramics, dielectric materials, and conductors, under nitrogen/hydrogen protective atmospheres.
2.Key Technical Specifications
| Item | Specification |
| Operating Temperature | Up to 900°C |
| Maximum Temperature | 1000°C |
| Effective Furnace Chamber Size | 400 × 400 × 650 mm (W × H × D) |
| Heating Element | FEC Ceramic Fiber Heater (high efficiency, energy-saving, long lifespan) |
| Process Atmosphere | Nitrogen / Hydrogen (suitable for protective atmosphere heat treatment) |
| Exhaust System | Exhaust port located on the top of the furnace chamber for atmosphere control and safety venting |
| Cooling Method | Natural cooling inside the furnace (suitable for processes not requiring rapid cooling) |
| Temperature Control Points | 3 independent control points (front, middle, rear) for improved temperature uniformity |
| Temperature Control Segments | 9 programmable segments (supports complex heat treatment processes) |
| Temperature Stability | ±1°C (high precision control) |
| Temperature Controller | Yokogawa (Japan) intelligent program temperature controller with PID auto-tuning function |
| Temperature Uniformity | Better than ±5°C (tested under 900°C for 1 hour in an empty furnace) |
| Control Method | Touchscreen + PLC centralized control (user-friendly and highly automated) |
| Alarm Protection | Over-temperature, thermocouple breakage, and other audio-visual alarms; includes over-temperature power cut-off protection; loud alarm sound for safety alerts |
| Surface Temperature Rise | ≤35°C (ensures safe operation and minimal external heat emission) |
| Maximum Heating Power | 30 kW |
| Holding Power | ≤15 kW (energy-efficient design) |
| Power Supply Requirement | Capacity >40 kVA, 3-phase 5-wire, 220/380VAC, 50Hz |
| Overall Dimensions (Reference) | 1500 × 1950 × 2200 mm (W × H × D) |
Product Features and Advantages
1. Energy Efficiency: Equipped with FEC ceramic fiber heaters for fast heating, excellent thermal insulation, and low energy consumption.
2. High-Precision Temperature Control: 3 independent control zones + 9 programmable segments enable precise temperature management with stability of ±1°C and uniformity better than ±5°C, meeting demanding process requirements.
3. Protective Atmosphere Compatibility: Supports nitrogen/hydrogen atmospheres, ideal for heat treatment of oxidation-sensitive materials, enhancing product performance and quality.
4. Intelligent Control System: Utilizes Yokogawa (Japan) intelligent temperature controller integrated with PLC and touchscreen interface, offering easy operation and PID auto-tuning for complex process profiles.
5. Safety and Reliability: Multiple protection features including over-temperature and thermocouple breakage alarms, audio-visual alerts, and automatic power cut-off for enhanced operational safety.
6. Robust Design: Compact furnace chamber suitable for small to medium batch production; low surface temperature rise ensures safe handling and reduced external heat emission.
Typical Applications
· Sintering of electronic ceramics
· Heat treatment of dielectric materials
· Hydrogen/nitrogen-protected annealing of conductive materials
· Atmosphere-controlled heat treatment processes (e.g., reduction, inert atmosphere protection, etc.)
3. Delivery List
| Table 1 Delivery list |
| Item | Note | Qty. |
| Basic Components | Furnace |
| 1 SET |
| inspection certificate | Certificate of major outsourced components | 1 SET |
| Technical Documents | Instructions, technical documents of the major outsourced parts, etc | 1 SET |
| Key Components | micro-oxygen analyzer |
| 1 SET |
| Temperature Controller |
| 1 SET |
| Thermocouple | Type K | 3 PCs |
| Spare Parts | SSR |
| 1 PC |
4. Customer Preparation 1) Power supply – capacity greater than 40KVA, 3-phase 5-wire, 220/380VAC, 50Hz. 2) Nitrogen – high-purity nitrogen with a purity of 99.999%, operating pressure of 0.2–0.4 MPa, and a supply flow rate of 2–6 m3/h.
3) Hydrogen – Pressure: 0.1 to 0.3 MPa, Supply Flow: 2 to 6 m3/h.
4) Cooling water – clean and non-corrosive, water temperature below 25°C, supply flow rate ≥ 0.5m3/h, customers need to use open water return system.
5. Installation and usage conditions for the equipment
1) The device must be installed indoors, in an environment with a temperature range of 0°C to 40°C, and free from flammable gases, corrosive gases, and steam.
2) The equipment must occupy at least 8 square meters of space, with a working area that is at least 3 meters long and 3 meters wide, and a height of at least 3 meters; the foundation must be solid and flat, and the total weight of the furnace is approximately 1100 kg.
3) The power supply for this furnace must be a three-phase four-wire AC power line with a voltage of 380±10%V and a frequency of 50±2%Hz. This power line is dedicated, and large power conversion equipment such as electric welding machines, electromechanical furnaces, and metal cutting machine tools should not be connected to this distribution system.
4) The equipment must be properly grounded.
5) The inlet pressure of the equipment should be between 0.2 and 0.4 Mpa.
6) The water supply pressure for the equipment should be between 0.1 and 0.3 Mpa.
