Category
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Order Code |
Product Name |
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L-01-09-M03 |
1200°C Tube Furnace for Mining Laboratory Vacuum and Atmosphere Heat Treatment |
The 1200°C Tube Furnace is a versatile vacuum and atmosphere-controlled thermal processing device designed for precision heat treatment applications in analytical laboratories, mining laboratories, metallurgical research centers, and material testing facilities.
Engineered for controllable high-temperature workflows up to 1200°C, this horizontal single-zone tube furnace supports atmosphere-protected sintering, annealing, reduction treatment, and CVD deposition under vacuum or inert gas environments.
Featuring a compact openable tubular structure, double-layer air-cooled shell, and high-uniformity ceramic fiber heating chamber, the furnace provides stable thermal processing conditions for mineral samples, metallurgical materials, and advanced research specimens. The programmable PID temperature control system and integrated vacuum and gas regulation systems ensure repeatable heating performance for laboratory testing procedures.
Flexible tube material selection and modular gas control configurations allow the equipment to adapt to different experimental requirements, supporting standardized thermal treatment workflows in mining, metallurgical, and chemical laboratories.
The 1200°C Tube Furnace is applied in global mining laboratories, hydrometallurgical testing centers, material research institutions, and industrial quality control departments. It supports controlled thermal treatment processes for mineral analysis, metallurgical evaluation, and advanced material research.
The furnace is widely used for controlled oxidation, reduction roasting, impurity removal, and thermal decomposition of ore powders, mineral concentrates, and geological samples. It provides standardized thermally treated specimens for subsequent elemental analysis and mineral property evaluation.
The equipment supports atmosphere-protected annealing and reduction experiments for metal ores and smelting materials. By simulating controlled thermal reaction environments, it assists laboratory evaluation of metallurgical processes and reduction-related experimental workflows.
Suitable for advanced material research, chemical thermal treatment, and semiconductor material processing, the furnace provides flexible vacuum and atmosphere-controlled conditions for laboratory-scale high-temperature experiments.
Adopting a horizontal openable single-zone structure with optional vertical layout, the furnace features a compact footprint and flexible installation design suitable for bench-top laboratory placement.
The double-layer carbon steel air-cooled shell effectively controls surface temperature rise below 50°C, supporting safe and stable long-term continuous operation during laboratory thermal processing.
The integrated one-piece ceramic fiber chamber with embedded alloy resistance wire provides uniform temperature distribution, reducing local temperature deviation and supporting consistent thermal treatment results for mineral and material samples.
Supporting multiple tube materials including quartz, stainless steel, and alumina, the furnace adapts to different experimental atmospheres and sample characteristics while reducing contamination risks during high-temperature reactions.
The quick-lock single-side flange integrates a three-way valve, needle valve, and pressure gauge, enabling convenient vacuum pumping and gas replacement. The system supports high vacuum up to 10E-5 Torr with an optional molecular pump.
The standard single-channel float gas control system provides stable and adjustable gas supply for inert and reducing atmospheres, meeting different atmosphere-protected thermal processing requirements.
Equipped with an intelligent 50-segment programmable PID controller and N-type thermocouple, the furnace achieves ±1°C temperature control accuracy and supports standardized repeatable heating curves for laboratory research and batch testing.
| Max Temperature | Tube OD | Heating Zone | Constant Temp Zone | Overall Dimensions (L×W×H) | Net Weight | Power | Phase & Voltage |
|---|---|---|---|---|---|---|---|
| 1200°C | 40 mm | 200 mm | 80 mm | 409×650×540 mm | 45 kg | 1.8 kW | Single-phase 220V, 50/60Hz |
| 1200°C | 60 mm | 300 mm | 130 mm | 430×800×560 mm | 55 kg | 2.6 kW | Single-phase 220V, 50/60Hz |
| 1200°C | 80 mm | 300 mm | 130 mm | 450×800×590 mm | 70 kg | 2.6 kW | Single-phase 220V, 50/60Hz |
| 1200°C | 100 mm | 300 mm | 130 mm | 490×800×620 mm | 90 kg | 3.0 kW | Single-phase 220V, 50/60Hz |
| 1200°C | 120 mm | 400 mm | 180 mm | 550×900×650 mm | 140 kg | 6.0 kW | Single-phase 220V, 50/60Hz |
Supporting vacuum pump and molecular pump for high-vacuum working conditions.
High-precision mass flow meter for accurate gas flow control.
Water-cooled flange and industrial chiller for enhanced high-load operation stability.
Vertical structural layout alternative to horizontal design.
The 1200°C Tube Furnace provides stable heating performance through ±1°C PID temperature control and uniform heating zone distribution. Vacuum and atmosphere control configurations help reduce external interference during mineral reduction and roasting processes, supporting repeatable laboratory testing results.
The industrial-grade air-cooled shell structure, stable heating components, and sealed flange system support continuous laboratory operation. The mature vacuum and gas regulation design helps maintain reliable performance during repeated thermal processing cycles.
Programmable multi-segment heating curves and quick-lock flange structures simplify parameter setting and sample replacement procedures. Multiple tube specifications allow laboratories to select suitable configurations for different sample sizes and experimental requirements.
The furnace is designed for atmosphere-controlled pretreatment, reduction testing, thermal decomposition, and heat treatment procedures involving ores and metallurgical materials. It integrates with laboratory R&D and quality control workflows in mining and metallurgical applications.
The compact structure and modular optional configurations allow laboratories to select suitable vacuum, gas control, and cooling solutions according to operational requirements. Durable chamber and heating components help reduce maintenance frequency during long-term use.
Q1. How to select the appropriate tube furnace configuration for mineral processing and hydrometallurgical research?
Selecting a horizontal vacuum or atmosphere tube furnace requires evaluating the laboratory application, including roasting, reduction, oxidation, calcination, or controlled-atmosphere reaction studies. Key considerations include required temperature range, process atmosphere, sample type, tube size, heating zone requirements, and compatibility with existing laboratory workflows. For mining laboratories, the furnace should match the testing stage from sample preparation and mineral transformation studies to metallurgical evaluation. Configuration decisions should also consider future laboratory expansion, frequency of operation, and whether vacuum, inert gas, or reactive gas environments are required for specific mineral research.
Q2. What factors should be considered when designing a gas flow protocol for tube furnace experiments?
Gas flow design directly influences atmosphere stability, reaction uniformity, and experimental repeatability in mineral processing studies. Important factors include gas composition, flow stability, sample location, heating zone characteristics, and the interaction between gas residence time and reaction requirements. In hydrometallurgical and metallurgical research workflows, controlled gas conditions are often required for oxidation, reduction, or roasting experiments. A properly designed gas protocol helps maintain consistent experimental conditions and supports reliable evaluation of mineral phase changes before further process decisions are made.
Q3. What are the differences between vacuum mode and atmosphere mode operation for mineral processing research?
Vacuum mode and atmosphere mode provide different experimental environments for mineral testing and metallurgical studies. Vacuum operation reduces the presence of air and can support specific thermal treatment processes where controlled pressure conditions are required. Atmosphere mode allows researchers to introduce gases such as inert or reactive atmospheres for oxidation, reduction, or roasting experiments. The appropriate operating mode depends on the mineral characteristics, research objectives, and required reaction conditions. Selecting the correct mode helps laboratories achieve more controlled sample treatment during mineral evaluation and process development.
Q4. How does gas flow rate affect reaction uniformity in a horizontal atmosphere tube furnace?
Gas flow rate influences atmosphere distribution, reaction efficiency, and temperature exposure consistency inside a horizontal tube furnace. Excessive or insufficient flow may affect gas exchange around mineral samples and create uneven reaction conditions. For laboratory roasting or reduction studies, flow parameters should be evaluated together with sample position, powder characteristics, and experimental duration. Establishing a stable gas flow procedure helps improve repeatability between batches and supports reliable comparison of mineral processing results during research and analytical workflows.
Q5. How should a laboratory select between alumina and quartz tubes for a 1200℃ tube furnace?
The choice between alumina and quartz process tubes depends on operating temperature, chemical environment, sample characteristics, and contamination control requirements. Alumina tubes are commonly considered for applications requiring higher thermal resistance and compatibility with demanding mineral processing conditions. Quartz tubes may be suitable for applications where transparency or specific atmosphere requirements are important. Laboratories should evaluate potential reactions between the tube material and processed samples, especially when working with mineral concentrates or reactive compounds. Proper tube selection helps maintain experimental reliability and reduces operational risks during long-term laboratory use.
Q6. How does a horizontal tube furnace support mineral roasting and metallurgical testing workflows?
A horizontal vacuum or atmosphere tube furnace supports mineral laboratory workflows by providing controlled thermal treatment conditions for roasting, reduction, calcination, and phase transformation studies. It can be applied after sample preparation and before analytical evaluation, helping researchers investigate how minerals respond to different temperatures and atmospheres. In metallurgical laboratories, these experiments contribute to process understanding and support decisions related to mineral recovery methods. The furnace configuration should be selected according to sample characteristics, research objectives, and integration with existing testing procedures.
Q7. What maintenance is required for a vacuum and atmosphere tube furnace during continuous laboratory operation?
Regular maintenance is important for maintaining stable operation of a tube furnace in mining and metallurgical laboratories. Key inspection areas typically include heating elements, process tubes, sealing components, gas connections, vacuum systems, and temperature control components. Laboratories should establish maintenance procedures based on operating frequency, thermal cycling conditions, and experimental environment. Proper cleaning, inspection, and replacement of worn components help reduce contamination risks and support consistent experimental conditions for repeated mineral processing and metallurgical testing applications.
Q8. How can laboratories ensure reproducible results in controlled-atmosphere tube furnace experiments?
Reproducible tube furnace experiments require consistent control of key parameters including temperature profile, heating rate, atmosphere composition, gas flow, sample positioning, and holding time. Standardized operating procedures help laboratory teams compare results across different mineral samples and testing batches. For mining laboratories conducting roasting or reduction studies, accurate documentation of experimental conditions is important for quality control and process evaluation. A properly configured furnace system supports repeatable testing from initial mineral characterization through metallurgical research and process optimization stages.
Q9. What factors should be considered when integrating a tube furnace into a new mining laboratory setup?
When integrating a horizontal vacuum or atmosphere tube furnace into a new mining laboratory, laboratories should evaluate application requirements, utility conditions, safety considerations, and compatibility with existing analytical equipment. The furnace should support the intended workflow, including sample preparation, thermal treatment, mineral testing, and metallurgical evaluation. Considerations may include available space, gas supply arrangements, ventilation requirements, operator procedures, and future expansion needs. Proper planning helps ensure the equipment can support continuous laboratory operation and changing research requirements.
Q10. How can tube furnace operation minimize contamination risks during mineral sample processing?
Contamination control is important when processing mineral samples for analytical and metallurgical studies. Laboratories should consider tube material selection, sample containment methods, cleaning procedures, sample separation practices, and operating atmosphere control. Fine powders and volatile components require particular attention because they may interact with furnace components or affect subsequent analysis. Establishing standardized preparation and cleaning procedures helps maintain sample integrity and improves confidence in experimental results. These practices are especially valuable in laboratories performing trace element studies, mineral transformation research, and process evaluation.
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