Luoyang Anjing Intelligence Equipment are a global leader in high-temperature electric furnaces
1200°C Electric Top-Opening Precision Box-Type Furnace
PRODUCT PARAMETERS
Description
1200℃ Electric Top-Opening Precision Box-Type Furnace
This electric top-opening Box-Type Furnace features a separate furnace chamber and control system design. The maximum operating temperature is 1200℃, with a long-term stable operating temperature of 1150℃. It utilizes a vacuum-formed high-purity alumina lightweight material lining and a three-layer high-efficiency insulation structure, resulting in rapid heating, excellent temperature uniformity, and significant energy savings. The furnace is equipped with a Siemens PLC automated control system, a 10-inch touchscreen, and an RS485 communication interface, enabling one-button automatic control of parameters such as temperature, atmosphere, and exhaust. This meets the demands of modern laboratories and industrial production for high-precision, highly automated heat treatment equipment.
Product Features
- Dedicated to Exploration Geochemistry, Fully Automated Process Control
Designed specifically for exploration geochemical sample analysis, suitable for chemical processing of samples such as cores, rocks, river sediments, soils, glacial debris, and vegetation. Equipped with a built-in Siemens PLC, it enables one-button operation of the fully automated process, including temperature, time, pressure, atmosphere, and exhaust, via a 10-inch touchscreen, significantly improving sample processing efficiency and reproducibility.
- Electric and Pneumatic Top-Opening Door, Foot Switch Control
The furnace door uses an electric and pneumatic top-opening mechanism, with a foot switch controlling the opening and closing height. The furnace body is fully sealed, with pneumatic lifting and locking, allowing the operator to focus on sample handling and avoiding the risk of burns from high temperatures.
- Two Independent Temperature Control Systems, Temperature Uniformity ±3℃
Equipped with two independent temperature control systems, the temperature control accuracy is ±1℃, and the furnace temperature uniformity is ±3℃. The heating elements use imported Kanthal A1 high-temperature alloy resistance wire, vertically installed around the furnace inner wall and bottom, forming a comprehensive three-dimensional heating field.
- Atmosphere Control System, Multi-Atmosphere Compatible
Accommodates nitrogen, argon, carbon monoxide, oxygen, and other gases. Equipped with a Siemens PLC, solenoid valves, pressure reducing valves, and dual-channel float flow meters for precise atmosphere control. The exhaust port is a DN30 valve at the top for adjustment. Eight air inlets are evenly distributed on the lower left and right sides of the furnace, integrated into a single main air inlet equipped with a flow meter.
- 50-Segment Programmable Temperature Control, RS485 Remote Control
Features 50-segment programmable temperature control, allowing input and setting of multiple temperature rise curves. The RS485 communication interface has a communication distance of up to 1200 meters. Computer control allows for furnace start-up, pause, stop, temperature rise curve setting, reading, and parameter setting. Historical curves and reports can be filtered (1s-1h) and stored long-term.
- Manual Lifting Loading Cart for Convenient Loading and Unloading
Equipped with a manually lifting loading cart, facilitating the loading and unloading of large samples, reducing operator workload, and improving work efficiency.
| Maximum Temperature | 1200℃ |
| Long-term Working Temperature | 1150℃ |
| Chamber Size (L×W×H) | 600×400×400mm |
| Control Range | 80 to 1200℃ |
| Temperature Measuring Element | Platinum-Rhodium K thermocouple, range 0-1300℃ |
| Location of Heating Elements | Vertically mounted on surrounding inner walls and bottom of the chamber |
| Temperature Control Accuracy | ±1℃ (integrated circuit control, no overshoot) |
| Furnace Temperature Uniformity | ±3℃ (using two independent temperature control systems) |
| Heating Rate | Freely adjustable, range: max. 30℃/min (non-linear), min. 1℃/h |
| Heating Element | Imported Kanthal A1 high-temperature alloy resistance wire |
| Furnace Body | CNC machined, manufactured through polishing, grinding, pickling, phosphating, plastic powder spraying, high-temperature baking, etc.; two-tone design with novel and aesthetic appearance; features oxidation resistance, acid and alkali resistance, corrosion resistance, high-temperature resistance, and easy cleaning |
| Furnace Structure | Air-cooled double-layer furnace structure; effective air-cooled guide partitions enable cold air circulation throughout the furnace shell, cooling the heating element conductive plates before exhausting, preventing high-temperature oxidation of conductive plates and ensuring a good working environment |
| Door Opening Method | Motor-pneumatic upward opening; foot switch controls opening height and closing |
| Sealing | Pneumatic lifting and pneumatic locking; switch controls opening and closing height; complete furnace sealing |
| Air Intake & Exhaust | Exhaust port on top DN30 with adjustable valve; eight air intake ports uniformly distributed on the lower left and right sides of the chamber, integrated into one main inlet with flow meter |
| Furnace Base Plate | Equipped with 310S heat-resistant steel plate; base height 920mm |
| Compatible Atmospheres | Nitrogen, Argon, Carbon Monoxide, Oxygen, etc. |
| Atmosphere Control | Siemens PLC + solenoid valve + pressure reducing valve + float flow meter (two lines) |
| Loading Trolley | Manual lifting |
| Refractory Material | Lining made of vacuum-formed high-purity alumina lightweight material; easily contacted and load-bearing positions (furnace mouth and bottom) use lightweight hollow ball alumina plates, featuring high operating temperature, low heat storage, thermal shock resistance, no cracking, no slagging, and excellent insulation (energy saving >80% compared to traditional electric furnaces) |
| Thermal Insulation Material | Three-layer insulation: aluminum silicate fiberboard, alumina fiberboard, and polycrystalline alumina fiberboard; energy saving >80% compared to traditional electric furnaces |
| Furnace Shell Temperature | During long-term continuous operation, shell temperature <45℃ |
| Protection | Integrated modular control unit with high accuracy; dual-loop control and dual-loop protection designed, featuring protection against overshoot, overregulation, underregulation, thermocouple break, phase loss, overvoltage, overcurrent, overtemperature, current feedback, soft start, etc. |
| Control | Closed-loop thyristor module trigger control with phase-shift or zero-crossing triggering; continuously adjustable output voltage, current or power; features constant voltage, constant current or constant power characteristics; current loop as inner loop, voltage loop as outer loop; under sudden load or load current exceeding limit value, output current is limited within rated range to ensure normal operation of regulator and output; voltage loop also participates in regulation, limiting output current within rated range and maintaining constant output current and voltage with sufficient regulation margin, thereby protecting heating elements from excessive current and voltage surges, achieving safe, reliable control and high precision |
| Automation Control | Built-in Siemens PLC; 10-inch touchscreen enables fully automatic process control of temperature, time, pressure, atmosphere, exhaust, etc., with one-touch operation for temperature-related conditions |
| Display Parameters | Real-time temperature, temperature segment number, segment time, remaining time, output power percentage, voltage, current, etc. |
| Temperature Curve Programming | Intelligent temperature controller featuring standard PID, artificial intelligence regulation APID or MPT, etc.; self-tuning and self-learning functions; excellent control characteristics with no overshoot or undershoot; 30-segment program control capability, allowing arbitrary ramp rates for heating and cooling; programmable/operable commands including jump (loop), run, pause, and stop; program can be modified at any time during operation; adopts artificial intelligence regulation algorithm with curve fitting for smooth and stable curve control |
| Multiple Curve Input | 50-segment program control function; configurable as: 1 curve with 50 segments, 2 curves with 28 segments each, 3 curves with 15 segments each, or 5 curves with 9 segments each; multiple curves can be input simultaneously and called up arbitrarily during use |
| Communication Interface | RS485 communication interface with transmission distance up to 1200m; allows computer control of furnace start, pause, stop, heating curve setting, curve reading, parameter setting, etc.; high reliability and user-friendly; computer display shows measured value, setpoint, output value, segment time, segment number, heating curve, power percentage curve; heating curves can be stored on computer, and stored curves can be recalled, setpoints and common parameters can be modified; historical curves and reports with selectable recording intervals (1s-1h) for long-term storage |
Application Areas
- Exploration Geochemical Sample Analysis: Suitable for chemical processing of samples such as cores, rocks, river sediments, soils, glacial debris, and vegetation. Fully automated process control ensures consistency and reproducibility in large-scale sample processing.
- Precious Metal Analysis: Suitable for sample pretreatment and chemical analysis of precious metals such as gold, silver, platinum, and palladium. The atmosphere control system can meet the specific atmosphere requirements of different analytical methods.
- Geological and Mineral Detection: Suitable for high-temperature processing and analysis of geological samples such as ores, concentrates, and tailings.
- Environmental Monitoring: Suitable for pretreatment of environmental samples such as soil, sediments, and vegetation for heavy metal content analysis.
- Universities and Research Institutes: Suitable for experimental teaching and research projects in geology, geochemistry, and environmental science. 50-segment programmable temperature control and fully automated process control meet complex experimental requirements.
Company Profile
A professional enterprise specializing in heat treatment technology services and the R&D, manufacturing, and sales of high-temperature electric furnaces.
The company focuses on developing high-temperature electric furnaces covering a full temperature range of -100℃ to 2600℃. Its products include experimental electric furnaces, vacuum atmosphere furnaces, industrial kilns, and medium-frequency induction heating equipment. Main products include box furnaces, tube furnaces, lifting furnaces, pusher kilns, bogie furnaces, rotary kilns, tunnel kilns, and various specialized medium-frequency furnaces.
The company adheres to technological innovation and has passed ISO9001 and EU CE certifications. It owns 21 registered trademarks, 29 patents, and 27 software copyrights.
Payment Methods
TT
Shipment Methods
The electric furnace is packaged in three layers: first wrapped in foam paper, then wrapped in plastic film, and finally packed in a wooden crate.
Frequently Asked Questions (FAQ)
- What are the maximum and long-term operating temperatures of the electric furnace?
The maximum operating temperature is 1200℃. It is recommended that the long-term stable operating temperature not exceed 1150℃ to effectively extend the service life of the heating elements and furnace lining.
- What protective atmospheres can be introduced into the electric furnace?
The equipment supports various process atmospheres such as nitrogen, argon, oxygen, and carbon monoxide. Appropriate flow control systems and safety protection measures can be configured according to experimental requirements.
- What is the temperature control accuracy?
The equipment adopts an intelligent PID closed-loop control system, achieving a temperature control accuracy of ±1℃ and a furnace temperature uniformity of ±3℃, suitable for high-precision heat treatment processes.
- Does it support remote computer control and data logging?
Yes. The equipment comes standard with an RS485 communication interface, enabling remote control, temperature curve setting, historical data logging, report export, and process management functions.
- Which industries are suitable for using the electric furnace?
It is widely used in industries such as geochemical exploration, fire assay analysis, scientific research laboratories, new material research and development, ceramic sintering, powder metallurgy, electronic materials and new energy materials.
