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 Preparation1) 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.
