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High Temperature Furnace - HTF
Introduction
High-Temperature Furnaces are laboratory equipment designed to heat materials to exceptionally high temperatures for a wide range of advanced processes. High-Temperature Furnace systems provide high-accuracy, consistent heat to the furnace chamber using advanced high-temperature furnace heating elements, including Silicon Carbide and Molybdenum Disilicide . They are essential for critical industrial processes, including sintering of high-temperature materials, ceramic testing, glass melting, fusion processes, and powder metallurgy applications.
The construction of High-Temperature Furnaces uses vacuum-formed Ultra-High-Purity alumina materials and low thermal mass insulation to ensure energy-efficient operation while minimizing heating times. A high-grade refractory interior and ceramic fiber insulation provide excellent temperature uniformity while also ensuring operator safety through double-shell construction and effective cooling systems .
About High Temperature Furnace - HTF
About High Temperature Furnace – HTF
A high-temperature furnace typically consists of heating elements located on both sides of the heating chamber to ensure excellent thermal uniformity. Process applications for a high-temperature furnace include sintering of high-temperature materials, glass melting, high-temperature testing of ceramics, fusion and firing processes, and powder metallurgy processes. High-temperature furnaces are insulated with fibre material. Furnaces with fibre insulation achieve significantly shorter heat-up times due to their low thermal mass.
Features of High Temperature Furnace
- Wide Temperature Ranges: Three operating temperature ranges are available—1400°C, 1600°C, and 1800°C—designed for different thermal processing applications.
- Precise Temperature Control: A 7-segment LED display with ±1°C accuracy guarantees reliable and repeatable testing results.
- Advanced Heating Elements: All three designs include high temperature furnace heating elements made from: SiC for 1400°C furnaces and MoSi₂ for 1600°C and 1800°C furnaces .
- Energy Efficient: Ultra-high-purity alumina, vacuum-formed and pre-sintered fiber insulation boards result in low thermal mass and faster cycle times.
- Safety Feature: Over-temperature limiter with adjustable cut-out temperature for thermal protection, Class 2, in accordance with EN 60519-2 .
- Even Heat Distribution: Heating elements mounted on either side of the work chamber ensure excellent overall temperature uniformity in the working area .
- Power-Controlled System: Low-noise solid-state relay or thyristor unit provides precise power control with low-noise operation.
- Construction: Made from a powder-coated 1.6 mm mild steel cabinet; optional Stainless Steel 304 grade.
- Cooling System: Double-shell casing with an integrated cooling fan keeps the surface cool and protects electrical components.
- Safety Interlocks: Door limit switch cuts off power to the heating elements when the door is opened .
- NABL-Certified Thermocouples for Accurate Thermal Measurement and Control: R- and B-type thermocouples ensure precise temperature measurement.
- User-Friendly Operation: Simple maintenance procedures and a user-friendly control interface ensure easy operation.
Specifications Of High Temperature Furnace
| Maximum Operating Temperature | 1400/1600/1800°C | |||||
| Heating Element | Silicon Carbide/Molybdenum Disilicide | |||||
| Temperature Controller | Microprocessor-based PID controller | |||||
| External Chamber Construction | MS Powder Coated / 304 Grade Stainless Steel (Optional) | |||||
| Internal Chamber Construction | Vacuum formed ultra-high purity alumina low thermal mass insulation with pre-sintered fibre insulation board. | |||||
| Model | Liters | Max. Temp | Inside Dimension (H×W×D) (mm) | Power (kW) | Heating Element | Detail |
| HTF 1400 | 6.9 | 1400°C | 170×270×150 | 4 | Silicon Carbide | More Details |
| HTF 1600 | 6.9 | 1600°C | 170×270×150 | 4 | Molybdenum Disilicide | More Details |
| HTF 1600G | 12 | 1600°C | 175×340×200 | 5 | Molybdenum Disilicide with Vacuum | |
| HTF 1800 | 4 | 1800°C | 150×240×110 | 4 | Molybdenum Disilicide | More Details |
| HTF 1800 (Customised) | 4.5 | 1800°C | 150×240×125 | 4 | Molybdenum Disilicide | Downloads |
| HTF 1800G | 9 | 1800°C | 150×330×180 | 5 | Molybdenum Disilicide with Vacuum | |
Applications Of High Temperature Furnace
- Glass Melting: Provides accurate glass melting processes used in research development quality assurance and small production for glass manufacturers.
- Ceramics High Temperature Testing: Materials are assessed for thermal stability, mechanical integrity, and performance traits. Under high temperature conditions, a thorough investigation is being conducted on all types of ceramic materials.
- Firing and Fusion: Fusion and firing techniques are used to make specialty products that require high-temperature conditions to produce crystal changes and alteration of a material’s properties.
- Powder Metallurgy Production: Full powder metallurgy production capabilities are offered; machine debinding, pre-sintering, sintering, and heat treating of metal powder and alloy systems are included.
- Hardening Operations – The hardening of metals and alloys to increase the hardness and wear resistance of the material, called hardening processes, will be completed using controlled heating and cooling cycles.
- Tempering Treatments – The tempering operation allows for a reduction of brittleness and improvement of toughness in a hardened metal, whilst maintaining its intended strength.
- Stress Relieving – Stress relieving is a heat treatment process that alleviates residual stresses introduced into a material during the manufacturing of that material by processes such as welding, casting, or machining.
- Material Testing – Material testing procedures include thermal analysis, phase transformation studies, and characterization of high-temperature-resistant materials.
- Ash Content Determination – Ash content in a variety of materials determined through controlled combustion at high temperatures for analytical testing and quality control purposes.
- Sintering Operations – Sintering operations are ideal for the creation of advanced ceramics, technical ceramics, oxide ceramic parts, and composite materials.
Why Tempsens Is the Best High Temperature Furnace Manufacturer
- ISO and CE Certification: ISO-certified quality management systems and European CE certification ensure worldwide acceptance .
- Comprehensive Product Range: As a leading high temperature furnace manufacturer, Tempsens offers furnaces in three temperature classes—1400°C, 1600°C, and 1800°C—with multiple size options for various industries .
- Technical Experience: Decades of technical and industrial experience in the design, manufacture, and implementation of reliable high-temperature laboratory and industrial furnaces.
- Quality Materials: We only utilize 100 Percent quality NABL Registered Thermocouples and High Quality heating elements that produce consistent and dependable results every time.
- Flexibility: Optional features such as ‘Vacuum/Gas Purging’ using Ar, N2, H2, O2, CO2, any furnace can be utilized for specialized processes.
FAQ
Frequently Asked Questions
Find answers to frequently asked questions related to High Temperature Furnace - HTF.
Main types of furnace include muffle furnaces, high-temperature furnaces, tubular furnaces, bottom loading furnaces, vacuum furnaces, electric ovens, annealing furnaces, chamber furnaces, bogie hearth furnaces, and microwave furnaces for diverse laboratory and industrial applications.
Industrial process furnaces (for example) are large-volume production-furnaces designed for high-volume production (up to 40,000 liters) and automatically control the amount of gas and or electric heat that runs through the furnace while laboratory or research & testing based furnaces, are small precision instruments used for research, test results, and testing of small batches materials with very specific temperature-control parameters.
Tempsens offers furnaces covering a wide range of temperature requirements, including laboratory furnaces (500°C–3000°C), industrial furnaces (250°C–3000°C), laboratory and industrial ovens (50°C–500°C), and microwave furnaces (250°C–3000°C), depending on the heating element and application requirements.
