Laboratory 1700C High Temperature Electric Elevating Lifting Furnace
The GWDL-SS series 1700℃ lifting furnace integrates the control system and furnace chamber into one unit. The furnace lining is made of imported high-purity alumina material formed by vacuum forming from Germany.
It adopts 1800-type silicon molybdenum rods as heating elements. It is a special equipment specially developed for universities, research institutes, laboratories, industrial and mining enterprises to conduct sintering, melting, analysis and production of ceramic, metallurgical, electronic, glass, chemical, mechanical, refractory materials, new material development, special materials, building materials, metal, non-metal and other compound materials.
The control panel is equipped with an intelligent temperature regulator, control power switch, main heating start/stop button, voltmeter, ammeter and computer interface for real-time monitoring of the system operating status. The product adopts reliable integrated circuits with good working environment and anti-interference performance. It is controlled by a microcomputer program, supporting programmable temperature curves, fully automatic heating/cooling, and flexible modification of temperature control parameters and programs during operation, featuring easy and simple operation.
Temperature control accuracy: ±1℃ without overshoot; constant temperature accuracy: ±1℃. Fast heating rate, maximum heating rate ≤20℃/min (non-linear).
The entire furnace chamber is made of imported high-purity alumina lightweight material from Germany, featuring high operating temperature, low heat storage, resistance to rapid heating and cooling, no cracking, no slagging, and excellent thermal insulation performance (energy saving effect is more than 60% of old-fashioned electric furnaces). With reasonable structure and double-layer inner and outer furnace jackets with air cooling, the test cycle can be greatly shortened.
Features
Door opening mode: bottom opening
Control accuracy: ±1℃; furnace temperature uniformity: ≤±5℃ (depending on the size of the heating chamber).
Easy operation, programmable, PID self-tuning, automatic heating, automatic heat preservation, automatic cooling; can be equipped with computer communication for computer operation (start furnace, stop furnace, pause heating, set heating curve, save heating curve, view historical curve, etc.).
Fast heating (adjustable heating rate from 1℃/h to 20℃/min).
The furnace body is finely plastic-sprayed for acid and alkali corrosion resistance; the furnace body is separated from the furnace chamber by air cooling, and the furnace wall temperature is close to room temperature.
Dual-circuit protection (over-temperature, over-voltage, over-current, broken thermocouple, power failure, etc.).
Furnace chamber refractory material with good thermal insulation, high temperature resistance, and resistance to rapid cooling and heating.
Technical parameters
Category/Parameter | 1700℃ |
Model | GWDL-1700SS |
Power Supply | 380V, 50Hz, circuit breaker current 60A |
Furnace Chamber Size | Diameter 300×300mm |
Maximum Operating Temperature | 1700℃ |
Long-term Operating Temperature | 1650℃ |
Control Range | Room temperature to 1700℃ |
Temperature Measuring Element | Platinum-rhodium B thermocouple |
Installation Position of Heating Element | Around the furnace chamber |
Temperature Control Accuracy | ±1℃ (integrated circuit control, no overshoot) |
Furnace Temperature Uniformity | Single-point temperature control, ≤±5℃ (depending on furnace chamber size) |
Heating Rate | Adjustable freely, range: max. 20℃/min (non-linear), min. 1℃/h (non-linear) |
Heating Element | 1800-type silicon molybdenum rod |
Stirring Device | Top-inserted structure, driven by variable frequency motor with high-temperature ceramic stirring rod; stirring speed continuously adjustable 0–30 r/min.The stirring shaft can rotate clockwise and counterclockwise, and can move reciprocally up and down by ±5 cm synchronously during stirring。 |
Infrared Monitoring Function | Equipped with infrared camera for real-time monitoring of temperature distribution and melt status in the furnace. |
Furnace Body | CNC machined, polished, ground, pickled, phosphated, plastic powder sprayed and high-temperature baked; two-color matching, novel and beautiful appearance, with oxidation resistance, acid and alkali resistance, corrosion resistance, high temperature resistance and easy cleaning; export quality, mirror paint. |
Furnace Body Structure | Air-cooled double-layer structure; effective air-cooled guide baffles realize overall cold air circulation of the furnace shell, cooling the conductive sheets of heating elements before exhausting to avoid high-temperature oxidation; ensuring a good working environment. |
Charging Platform Lifting Mode | Fully automatic electric lifting, adjustable lifting time. |
Firing Time After Charging Platform Rising | Adjustable (1-9999S) |
Firing Time After Charging Platform Descending | Adjustable (1-9999S) |
Refractory Matching Between Furnace Mouth and Charging Platform | Step cross sealing; refractory materials have angles on upper and lower sides, increasing the opening angle of the charging platform and gradually reducing the angle when closing. |
Charging Platform Load Capacity | Lifting for loading and unloading, 1-50KG (customizable per customer requirements) |
Refractory Material | Furnace lining adopts imported high-purity alumina lightweight fiber material from Germany, high operating temperature, low heat storage, resistance to rapid heating and cooling, no cracking, no slagging, excellent thermal insulation (energy saving >80% of old furnaces). |
Thermal Insulation Material | Four-layer insulation: alumina fiber cotton, alumina fiber board, alumina polycrystalline fiber board, vacuum-formed high-purity alumina fiber lightweight board; energy saving >80% of old furnaces. |
Furnace Shell Temperature | Long-term (20 days) continuous operation, shell temperature ≤RT+45℃ |
Protection | Integrated module control unit with dual-circuit control and protection; functions include overshoot, undertune, broken thermocouple, phase loss, over-voltage, over-current, over-temperature, current feedback, soft start, etc. |
Control | Closed-loop SCR module trigger control, phase-shift trigger mode; continuously adjustable output voltage, current or power with constant voltage/current/power characteristics.Current loop as inner loop, voltage loop as outer loop; limits output current within rated value under sudden load or overload to protect heating elements from excessive current/voltage impact, ensuring safe and accurate control. |
Display Parameters | Temperature, temperature segment number, segment time, remaining time, output power percentage, voltage, current, etc. |
Buttons | Imported buttons with service life >100,000 times and LED indicators. |
Temperature Control Program Management & Status Display Interface | Supports preset and remote management of heating programs; visualizes material status, real-time furnace temperature and heating process via multimedia display terminal. |
Multi-curve Input | 50-segment program control; configurable as: 1 curve (50 segments), 2 curves (28 segments each), 3 curves (15 segments each), 5 curves (9 segments each); multiple curves storable and callable. |
Communication Interface | RS485 interface, communication distance up to 1000 meters; centralized control via touch screen (start, pause, stop, set/read heating curve, parameter setting, etc.). Rich computer display: measured value, set value, output value, segment time, segment number, heating curve, power percentage curve; curves storable, callable, editable; historical curves/reports with adjustable recording interval (1s-1h) for long-term storage. |
Warranty Scope & Period | One-year free warranty for the electric furnace; heating elements not covered (free replacement for natural damage within three months). |
Precautions | 1. To avoid affecting service life, recommended max. heating/cooling rate: 10-20℃/min (excessively fast heating shortens heating element life).2. Non-vacuum sealed structure; do not pass flammable and explosive gases.3. Minor cracks in the furnace chamber after use are normal and do not affect operation; repairable with alumina coating.4. Corrosive gases are not recommended; inform us in advance for strong corrosive gases (e.g., S, Na) for special furnace treatment.5. Do not spill high-temperature solution on the furnace bottom; use backing plate or alumina powder for isolation.6. Place the instrument in a well-ventilated, dry area. |
Packing List | One electric furnace, two heating elements, one crucible tong, one pair of high-temperature gloves, one manual, one certificate of conformity, one acceptance report (factory test report), one sales delivery note. |
