| Customization: | Available |
|---|---|
| After-sales Service: | on-Line Service |
| Warranty: | One Year |
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This high-temperature vertical tube furnace is mainly composed of a material preheating furnace, reaction furnace, gas preheating furnace, control cabinet, gas supply system, feeding device, and collection device. The furnace chamber is made of lightweight ceramic fiber for precision construction, with a sliding left-right opening for easy access, allowing sintering under various inert atmospheres. The heating elements utilize high-quality alloy heating wires, which provide fast heating rates, high-temperature resistance, oxidation resistance, corrosion resistance, and rapid temperature rise. The intelligent PID 30-segment temperature control ensures high precision in temperature regulation.
Here is the direct translation of the provided specifications into an English table format:
| Component | Specification |
|---|---|
| Structure | Double-layer shell, manually lifted structure |
| Operating Temperature | < 1000°C |
| Temperature Control | PID 30-segment programmable automatic control |
| Heating Element | High-quality resistance wire |
| Furnace Tube Material | High-quality metal tube |
| Quartz Tube Size | ≈ Φ80mm × 1000mm (customizable per customer requirements) |
| Temperature Protection | Over-temperature and segment failure alarm |
| Heating Rate | Adjustable 0-10 °C/min |
| Measuring Element | Type N thermocouple |
| Sealed Feeding Device | Sealed feed chamber: Easy-open top cover, uniform volume, pre-installed gas inlet. |
| Component | Specification |
|---|---|
| Structure | Double-layer shell, manual vertical sliding opening; reaction furnace and gas preheating furnace can be opened independently. |
| Maximum Temperature | 1200°C |
| Temperature Control | PID 30-segment programmable automatic control |
| Heating Element | High-quality resistance wire |
| Furnace Tube Material | High-quality metal tube |
| Quartz Tube Size | ≈ Outer diameter 100mm × 2500mm (customizable per customer requirements) |
| Heating Zone | ≈ 1800mm, 6 zones (independently adjustable, customizable) |
| Temperature Protection | Over-temperature and segment failure alarm |
| Heating Rate | Adjustable 0-10 °C/min |
| Measuring Element | Type N thermocouple |
| Sealing System | Top: Double-layer water-cooled sealing flange with automatic feed port, manual feed port, adjustable gas sampling port (for thermocouple/gas probe), and exhaust port. Bottom: Sealing flange with gas inlet, connected to a sealed collection chamber (with pre-installed gas inlet). |
| Compatible Gases | Any inert gas (high purity, positive pressure < 0.02MPa) |
| Component | Specification |
|---|---|
| Gas Channels | Supports 4 gas sources simultaneously (Note: Inert gases recommended; user must provide safety devices for hazardous gases.) |
| Flow Meter | Mass flow controller (MFC) |
This vertical fluidized bed tube furnace is equipped with feeding and discharge chambers, enabling continuous material handling and significantly improving heat treatment efficiency. The fluidized bed features a vertically arranged furnace tube and a circular heating element distribution within the furnace chamber, making it suitable for annealing and tempering heat treatments of small steel components, as well as vertical CVD coating applications.
The system can operate under controlled atmospheres or vacuum conditions and may also function as a conventional tube furnace. It is ideal for university laboratories, research institutes, and similar scientific facilities.
| Parameter | Specification |
|---|---|
| Heating Zone Length | Dual-zone, 400mm + 400mm (customizable per customer requirements) |
| Furnace Tube Dimensions | Outer diameter: 100mm × Length: 1200mm (customizable) |
| Furnace Tube Material | Stainless steel |
| Automatic Feeding System | Customizable design with: - Gas inlet at tube bottom - Screw conveyor for heavy particle extraction - Top tube configuration tailored to requirements |
| Parameter | Specification |
|---|---|
| Operating Temperature | ≤1000°C |
| Temperature Sensor | Type N thermocouple |
| Control System | Intelligent 30-segment PID programmable control: 1. AI-based PID adjustment with self-tuning 2. Multi-stage heating/cooling programs 3. Accuracy: ±1°C 4. Over-temperature/breakage protection (auto power cutoff) 5. Touchscreen operation with data logging/export |
| Heating Rate | Recommended ≤10°C/min (adjustable per process needs) |
| Heating Element | Resistance wire |
| Furnace Lining Material | Dual-layer alumina fiber boards (excellent insulation, high reflectivity, uniform temperature): - 1200°C alumina fiber - 1400°C alumina fiber |
| Parameter | Specification |
|---|---|
| Flange | Stainless steel vacuum flange (easy disassembly) |
| Sealing System | O-ring compression seal between tube/flange: - Reusable, leak-tight, quick-release design |
| Fluidization Zone | 1. Uniform gas distribution through reaction zone 2. Solid particles suspended by gas flow in heating zone 3. Openable furnace body for post-experiment quartz tube/particle removal |
| Note | Excessive gas flow may carry particles beyond heating zone; adjust flow rate based on particle size. |
| Shell Structure | Double-layer carbon steel shell with air cooling, openable design |
| Furnace Orientation | Vertical structure |
| Flange (Fluidized Bed) | Rubber-sealed flange (with analog vacuum gauge) |
| Heating Zone Length | Five heating zones, 100mm each, total length 500mm (customizable per customer requirements) |
|---|---|
| Furnace Tube Size | Diameter 25mm × 1200mm (customizable per customer requirements) |
| Tube Material | High-purity quartz tube with built-in 40-90μm sintered plate (customizable) |
| Operating Temp. | ≤1100°C |
| Max. Temperature | 1200°C |
| Temperature Sensor | N-type thermocouples (5 units) |
Uses AI-based PID regulation with auto-tuning and multi-segment programming.
PID temperature control with programmable heating/cooling stages.
Temperature accuracy: ±1°C.
Over-temperature and power failure protection (automatic circuit cutoff).
Auto-tuning function for temperature calibration.
Touchscreen operation with data logging and export capabilities.
| Temp. Control Accuracy | ±1°C |
|---|---|
| Safety Protection | Over-temperature and power failure protection |
| Heating Rate | Recommended 10°C/min (adjustable per process requirements) |
| Heating Element | Resistance wire |
| Furnace Chamber Material | Polycrystalline fiber insulation (excellent thermal insulation, high reflectivity, uniform temperature distribution) |
| Flange | Stainless steel vacuum flange (easy disassembly) |
| Sealing System | O-ring compression seal (reusable, high airtightness, easy removal) |
Reaction gas flows uniformly through the reaction zone.
Solid particles are suspended in the heating zone by the gas flow.
Open-body design: After experiments, the furnace can be opened to remove the quartz tube and processed particles.
Note: Excessive gas flow may carry particles beyond the heating zone; adjust flow rate based on particle size.
| Furnace Structure | Vertical design |
|---|---|
| Gas Flow Control | Equipped with argon float flow meters (flow range customizable per user needs) |
| Gas Ports | Two inlets (bottom), one outlet (top) |
| Parameter | Description |
|---|---|
| Display | LED or LED touch screen (customizable) |
| Working Temperature | ≤1100°C |
| Heating Rate | 0-10°C/min |
| Temperature Uniformity | ±1°C |
| Tube Diameter | 950×600 mm (OD) (customizable upon request) |
| Heating Length | 200 mm (customizable upon request) |
| Heating Elements | Resistance wire |
| Tube Material | High-purity quartz tube |
| Chamber Material | Alumina fiber |
| Thermocouple | Type N |
| Temperature Control | PID automatic control via SCR (thyristor) power regulation, with phase-angle triggering and current-limiting resistance. 30 programmable segments for precise heating/cooling rate and dwell time control. Built-in PID auto-tuning, with overheat and thermocouple break protection. Over-temperature protection and alarm for unattended operation. |
Main Applications: The 1600°C high-temperature tube furnace is widely used for various CVD experiments requiring reaction temperatures around 1600°C. It is also suitable for vacuum sintering, protective atmosphere sintering, battery materials, and the preparation of nanomaterials, among other applications.
| Tube Furnace Section | Display | LED or LCD touch screen (optional at extra cost) |
|---|---|---|
| Working Temperature | ≤1600°C | |
| Heating Zone | Single heating zone, 300mm (customizable per customer requirements) | |
| Heating Element | Silicon molybdenum (SiMo) rods | |
| Thermocouple | Type B | |
| Temperature Control Accuracy | ±1°C | |
| Tube Size | OD 50mm (customizable per customer requirements) | |
| Material | Alumina tube | |
| Temperature Control | PID automatic control via SCR power regulation | |
| Heating Program | 30-step programmable | |
| Heating Rate | 0-10°C/min | |
| Warranty | 1-year warranty (consumables such as heating elements are not covered) |
The high-temperature tube furnace utilizes a high-purity quartz tube as the furnace tube, with a maximum working temperature of 1200°C. This series of equipment features a user-friendly control system and offers advantages such as uniform temperature distribution, safety and reliability, ease of operation, high temperature control accuracy, excellent thermal insulation, rapid heating/cooling rates, and energy efficiency. Equipped with a vacuum system, it supports atmosphere introduction and vacuum pumping, and the vacuum pump can be selected based on customer-specified vacuum requirements. It is widely used in experiments conducted by universities, research institutes, and industrial enterprises.
| Parameter | Specification |
|---|---|
| Maximum Temperature | 1200°C |
| Continuous Working Temperature | ≤1100°C |
| Furnace Structure | Double-layer shell design with automatic cooling system |
| Heating Rate Recommendation | ≤10°C/min |
| Tube Material | High-purity quartz tube |
| Chamber Material | Premium high-purity alumina polycrystalline fiber chamber formed by Japanese vacuum adsorption technology, featuring excellent insulation, high reflectivity and uniform temperature distribution |
| Tube Dimensions | Tapered tube φ10φ8600mm (customizable) |
| Heating Zone Length | 200mm (customizable) |
| Flange | Stainless steel sealing flange with quick-disconnect design, equipped with precision needle valve |
| Temperature Control System | 1. AI-based PID control with auto-tuning 2. 30-segment programmable heating/cooling 3. Control accuracy ±1°C 4. Over-temperature and thermocouple failure protection 5. Automatic temperature calibration |
| Heating Element | Resistance wire |
| Temperature Sensor | Type N thermocouple |
| Gas Inlet/Outlet | Integrated into flange |
Multi-station Tube Furnace
This furnace utilizes high-purity quartz tubes as the reaction chamber, with an operating temperature range of 300°C to 1100°C. The control system of this series is internationally advanced, offering high safety, reliability, and user-friendly operation. It features precise temperature control (±1°C), excellent thermal insulation, superior temperature uniformity, and vacuum/atmosphere compatibility.
Widely used in experiments and small-batch production at universities, research institutes, and industrial enterprises.
| Parameter | Specification |
|---|---|
| Furnace Structure | Double-shell design |
| Furnace Material | High-purity alumina polycrystalline fiber |
| Maximum Temperature | 1200°C |
| Working Temperature | 1100°C |
| Recommended Heating Rate | ≤10°C/min |
| Tube Material | High-purity quartz |
| Tube Dimensions | OD: 50mm × ID: 44mm × Length: 1000mm (customizable) |
| Heating Zone Length | 200mm (customizable) |
| Rotation Mechanism | 180° multi-angle rotatable chamber, detachable and height-adjustable |
| Flange | KF quick-release stainless steel sealing flange |
| Temperature Control System | <ul><li>AI-based PID control with auto-tuning</li><li>30-segment programmable heating/cooling</li><li>Control accuracy: ±1°C</li><li>Safety features:<ul><li>Over-temperature protection (auto-cutoff at >1200°C)</li><li>Thermocouple failure protection</li><li>Automatic main power cutoff with visual indicators (ON/OFF lights)</li></ul></li><li>Auto-calibration function</li></ul> |
| Heating Element | Resistance wire |
| Temperature Sensor | Type N thermocouple |
| Parameter | Description |
|---|---|
| Working Temperature | ≤1300°C |
| Shell Structure | Double-layered, electrostatic spray coating |
| Furnace Chamber Material | High-purity polycrystalline alumina ceramic fiber, offering excellent thermal insulation, high reflectivity, uniform temperature distribution, and strong resistance to thermal expansion and contraction |
| Heating Elements | Premium straight silicon carbide rods |
| Heating Rate | Room temperature to 1000°C: ≤10°C/min 1000°C to 1200°C: ≤5°C/min 1200°C to 1300°C: ≤2°C/min |
| Temperature Control System | PID regulation, 30-segment programmable automatic control |
| Temperature Protection | Over-temperature and thermocouple break alarm |
| Temperature Accuracy | ±1°C |
| Temperature Sensor | S-type platinum-rhodium thermocouple |
| Heating Zones | 4 zones (300+300+300+300 mm), total heating length 1200 mm, independently controllable (customizable upon request) |
| Furnace Tube | Corundum tube, Φ60×1800 mm (customizable upon request) |
| Door Opening Method | Front side-opening |
| Feeding Method | Top feeding (continuous feeding device to be purchased separately by the buyer) |
| Flange Design | Top Flange: Equipped with feed inlet, gas inlet, gas dispersion device, and mechanical vacuum pressure gauge Bottom Flange: KF interface for cyclone separator, exhaust pipe connected to safety pressure relief valve and dust filter |
| Gas Control System | 2-path mass flow meters |
| Precautions | 1. When introducing gas into the furnace tube, a pressure-reducing valve must be installed on the gas cylinder. 2. For sample heating experiments, it is not recommended to close the exhaust and intake valves at the furnace tube flange. If valves must be closed during heating, monitor the pressure gauge closely. If the pressure exceeds 0.02 MPa, immediately open the intake valve to prevent accidents (e.g., tube rupture, flange ejection). 3. When the temperature exceeds 900°C, the furnace tube must not be under vacuum; internal pressure should be maintained at atmospheric level. |
This vertical tubular furnace is a custom-designed model for customers, primarily used for heat treatment processes such as quenching, annealing, and tempering of small steel components, as well as vertical CVD coating. The equipment can operate under controlled atmospheres or vacuum conditions and can also function as a standard tubular furnace. It is suitable for use in university laboratories, research institutes, and similar institutions.
| Parameter | Description |
|---|---|
| Display | LED or LED touch screen (customizable) |
| Working Temperature | ≤1100°C |
| Heating Rate | 0-10°C/min |
| Temperature Uniformity | ±1°C |
| Tube Diameter | 950×600 mm (OD) (customizable upon request) |
| Heating Length | 200 mm (customizable upon request) |
| Heating Elements | Resistance wire |
| Tube Material | High-purity quartz tube |
| Chamber Material | Alumina fiber |
| Thermocouple | Type N |
| Temperature Control | PID automatic control via SCR (thyristor) power regulation, with phase-angle triggering and current-limiting resistance. 30 programmable segments for precise heating/cooling rate and dwell time control. Built-in PID auto-tuning, with overheat and thermocouple break protection. Over-temperature protection and alarm for unattended operation. |
This is a vertical fluidized bed tubular furnace specifically designed for CVD experiments involving solid-phase vapor deposition. The furnace tube is made of high-purity quartz with a customized shape and features an embedded quartz mesh for fixation. Powder 2 is fed from the top of the tube onto this mesh. Another mesh is fixed to the movable flange assembly. Nitrogen and acetylene are then introduced to fluidize Powder 1 gas through the upper mesh into the coating reaction zone, while Powder 2 particles are carried into the reaction zone for deposition experiments.
| Parameter | Description |
|---|---|
| Heating Zone Length | 300+300 mm, dual-zone (customizable upon request) |
| Furnace Tube Size | Φ50×1200 mm (customizable upon request) |
| Tube Material | High-purity quartz tube with built-in 5-20μm mesh (customized) |
| Working Temperature | ≤1100°C |
| Maximum Temperature | 1200°C |
| Thermocouple | Type N |
| Temperature Control System | Intelligent 30-segment PID auto-control via thyristor power regulation with auto-tuning function Built-in overheat and thermocouple break protection |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | Recommended 0-10°C/min |
| Heating Elements | Resistance wire |
| Chamber Material | Alumina ceramic fiber |
| Vacuum Flange | Stainless steel vacuum flange with valves and needle valve |
| Vacuum Pump | Rotary vane vacuum pump |
| Gas System | Two-path float flowmeters for oxygen and acetylene, adjustable for material fluidization |
This vertical tubular furnace features a vertically oriented furnace tube and an annular heating element distribution design, making it suitable for heat treatment processes such as annealing and tempering of small steel components, as well as vertical CVD coating applications. The equipment can operate under controlled atmospheres or vacuum conditions, and may also function as a conventional tubular furnace. It is ideally suited for university laboratories, research institutes, and similar scientific institutions.
| Parameter | Description |
|---|---|
| Furnace Structure | Vertical open-type structure with double-layer shell and automatic cooling system |
| Furnace Chamber Material | High-purity alumina polycrystalline fiber vacuum-formed chamber with excellent thermal insulation, high reflectivity and uniform temperature distribution |
| Continuous Working Temperature | ≤1000ºC |
| Heating Rate | Recommended ≤10ºC/min |
| Furnace Tube Material | 2520 alloy |
| Tube Structure | Dilute phase and dense phase zones connected via transition section, with welded stainless steel side pipes/flanges, top sealed flange with explosion-proof device |
| Heating Elements | Resistance wire |
| Furnace Composition | Split design: rear half fixed with heating elements embedded in insulation layer, front half openable with uniformly distributed resistance wires (wires bypass side pipes in rear section) |
| Dilute Phase Zone | 2520 alloy tube, 500mm heating zone (customizable), lower rear inlet port, thermocouple and mechanical pressure gauge for monitoring, top exhaust connected to dust detection system |
| Exhaust End | Tube extends outside furnace body with branch thermocouple and pressure gauge |
| Temperature Sensor | Type N thermocouple |
| Control System | • Independent control for dense/dilute phases • AI-based PID temperature control with 30-segment programming • ±1ºC accuracy • Phase failure and filter protections • Auto-tuning function |
| Instrumentation | Separate display meters for: • 2 dense phase thermocouples • 2 dilute phase thermocouples • 1 exhaust gas thermocouple (All mounted on control panel) |
This 1000°C vertical tubular furnace features a unique design that enables rapid sample heating under vacuum or protective atmosphere, with dual-side heating for superior temperature uniformity. The vertical structure ensures smooth exhaust ventilation, while the furnace body is vertically mounted on a movable stand for easy tube access. The top-mounted lifting mechanism accommodates various heating and cooling requirements.
This high-temperature fluidized bed furnace is primarily designed for university laboratories and industrial research facilities, suitable for:
Chemical analysis of metals/ceramics
Physical property measurements
Sintering/dissolution processes
Heat treatment of small rigid components (annealing, calcination, etc.)
Key Advantages:
Vertical gas flow optimizes reaction byproduct removal
Dual-zone heating (±1°C uniformity)
Ergonomic access with adjustable height mechanism
Multi-process compatibility (vacuum/atmosphere operation)
| Parameter | Specification |
|---|---|
| Tube Dimensions | 60mm (OD) |
| Furnace Door Structure | Openable design |
| Shell Material | Stainless steel |
| Heating Zone Length | 400×400mm |
| Cooling Zone | 200-600mm (final design dependent) |
| Tube Material | 310S stainless steel |
| Operating Temperature | ≤1000°C |
| Heating Rate | 0-10°C/min |
| Furnace Lining | Alumina polycrystalline fiber |
| Temperature Control | Intelligent 80-segment programmable control with independent zone regulation |
| Temperature Accuracy | ±1°C |
| Heating Elements | Resistance wire |
| Operating Voltage | AC 220V 50Hz single phase |
| Maximum Power | Final design dependent |
| Thermocouple Configuration | • T1: Chamber temperature monitoring (Zone 1) • T2: Gas temperature control (400°C) • T3: Chamber temperature control (Zone 2) • T4: Load thermocouple (top position for crucible temperature measurement) |
| Lifting Mechanism | Sealed vertical lift system for positioning samples between heating zone (Zone 2) and cooling zone |
The vertical fluidized bed tubular furnace is specifically designed for CVD experiments involving powder surface deposition. It features a high-purity quartz tube with a custom-shaped design, internally equipped with a quartz boat containing a porous quartz plate (with customizable pore size). The powder sample is placed on the porous quartz plate, and gas is introduced from the bottom of the furnace tube. The gas flows through the porous plate, suspending the particles in the heating zone for deposition experiments.
Note: During gas injection, excessive flow rates may cause particles to bypass the heating zone. Therefore, the gas flow must be carefully adjusted according to the particle size during experiments.
Key Features:
Customizable porous quartz plate for optimized fluidization
Precise gas flow control to maintain particle suspension
High-purity quartz construction ensuring chemical inertness
Vertical design for efficient gas-solid interaction
| Parameter | Specification |
|---|---|
| Heating Zone Length | 440mm (customizable) |
| Furnace Tube Dimensions | Φ60×1000mm (customizable) |
| Tube Material | High-purity quartz tube with built-in 0.2mm porous quartz plate (customized) |
| Operating Temperature | ≤1100°C |
| Maximum Temperature | 1200°C |
| Temperature Sensor | Type N thermocouple |
| Temperature Control System | Intelligent 30-segment PID programmable control with auto-tuning function |
| Temperature Accuracy | ±1°C |
| Temperature Protection | Over-temperature and thermocouple break protection |
| Heating Rate | Recommended 0-10°C/min |
| Heating Elements | Resistance wire |
| Furnace Lining Material | Polycrystalline fiber with excellent insulation, high reflectivity and uniform temperature distribution |
| Flange | Detachable stainless steel vacuum flange |
| Sealing System | O-ring compression seal (reusable, good airtightness) |
| Fluidization Zone Features | 1. Reaction gas flows uniformly through reaction zone
2. Solid particles are suspended in heating zone by gas flow
3. Openable design allows easy tube removal after experiments |
| Important Note | Gas flow must be adjusted according to particle size to prevent particles from bypassing heating zone |
| Additional Features | |
|---|---|
| Pressure Gauge | Mechanical pressure gauge at gas outlet |
| Shell Structure | Double-walled with air cooling system, openable design |
| Furnace Structure | Vertical configuration |
| Flow Meter | Hydrogen float flow meter for precise fluidization control |
Key Advantages:
Customizable porous plate for optimized fluidization
Precision temperature control (±1°C accuracy)
Quick-access design for sample handling
Versatile gas flow control for different particle sizes
The vertical tube furnace adopts a structural design with the furnace tube placed vertically and the heating elements arranged in a circular distribution within the furnace chamber. It can be used for heat treatment processes such as quenching, annealing, and tempering of small steel parts, as well as vertical CVD coating. The equipment can operate under atmospheric or vacuum conditions and can also serve as a conventional tube furnace. It is suitable for university laboratories, research institutions, and small-batch production in enterprises.
| Parameter | Specification |
|---|---|
| Max Temperature | 1200°C |
| Uniform Heating Zone | 120mm × 440mm (Customizable upon request) |
| Tube Diameter | 100mm (Customizable upon request) |
| Number of Heating Zones | Single zone (Customizable upon request) |
| Insulation Material | High-purity alumina fiber lining, reducing heat loss and ensuring high-temperature stability. |
| Shell Material | High-quality cold-rolled steel plate, electrostatic powder-coated for a hard and durable finish with excellent rust resistance. |
| Furnace Door | Side-opening |
| Main Controller | PID 30-segment programmable control Over-temperature alarm Thermocouple break alarm |
| Temperature Sensor | Type N thermocouple |
| Heating Element | Resistance wire |
| Heating Rate | 0-10°C/min |
This equipment adopts a resistance wire as the heating element, featuring a double-layer shell structure and a 30-segment programmable temperature control instrument with phase-shift triggering and thyristor control. The furnace chamber is constructed with alumina polycrystalline fiber material, and the furnace tube is made of stainless steel. The openable furnace door design allows for easy tube replacement.
This high-temperature vertical tube furnace offers advantages such as uniform temperature distribution, low surface temperature, fast heating/cooling rates, and energy efficiency.
| Parameter | Specification |
|---|---|
| Furnace Type | Vertical, openable |
| Furnace Material | Alumina refractory fiber |
| Heating Element | Resistance wire |
| Working Temperature | ≤1000°C |
| Heating Rate | Adjustable (0~10°C/min) |
| Heating Zones | Dual zones (preheating zone + high-temperature zone) |
| Total Zone Length | 200+200 / 300+300 / 400+400 mm (customizable upon request) |
| Tube Material | Custom stainless steel tube |
| Tube Diameter | 40, 50, 60, 80, 100, 120, 200 mm (customizable upon request) |
| Control Mode | Multi-segment intelligent PID programmable control, (reserved communication interface) |
| Metal Tube Length | 440mm + 380mm (customizable upon request) |
| Temperature Sensor | Type N thermocouple |
| After-Sales Service | 1-year warranty, lifetime maintenance (consumables such as high-temperature sealing rings, furnace tubes, and heating elements are not covered) |
| Customization | Fluidized bed version available upon request |
The tube quenching furnace is a vertical vacuum tube quenching furnace that utilizes molybdenum disilicide (MoSi2) heating elements and features a double-layer shell structure. It is equipped with an 80mm-diameter corundum tube and a liquid-sealed container for sample quenching.
This device allows samples to rapidly drop from high-temperature conditions (up to 1700°C) into an ice-water or oil bath within the liquid container during experiments, making it highly suitable for laboratory research on material phase transformations and microstructure properties.
| Parameter | Specification |
|---|---|
| Furnace Structure | (1) Double-layer shell with air cooling system keeps surface temperature below 50°C. (2) High-purity alumina fiber insulation throughout the furnace chamber. (3) Includes one corundum tube and a stainless steel sealing flange (pre-installed with needle valve and mechanical pressure gauge). (4) Sealed liquid container connected via a corundum tube (180mm limit) ensures contamination-free sample quenching. |
| Long-term Working Temp. | 800-1600°C |
| Max. Working Temp. | 1700°C |
| Heating/Cooling Rate | Below 1200°C: 5°C/min; Above 1200°C: 10°C/min |
| Heating Zone Length | 300 mm (customizable) |
| Heating Element | U-shaped MoSi2 rods |
| Thermocouple | Type B (PtRh-PtRh) |
| Chiller | Cools flange ends to protect seals |
| Temperature Controller | 1. PID control with 30-segment programming 2. Accuracy: ±1°C 3. Over-temp/thermocouple break protection (auto power cutoff) 4. Auto-tuning function |
| Furnace Tube | Material: Corundum (OD: 80mm; ID: 70mm; Length: 1000mm) Customizable. Tube plugs required before use to block thermal radiation. |
| Vacuum Flanges & Valves | 1. Top: Stainless steel flange with hook, sample ejection port, and thermocouple interface 2. Bottom: Gate valve + mechanical pressure gauge 3. Bottom flange includes gas inlet |
| Quenching Container | 1. Stainless steel liquid tank fixed below tube 2. Manual gate valve between tube and tank 3. Top flange: Hanging mechanism (max 1000g sample) 4. Push-release mechanism for sample quenching 5. Requires 5 PSI argon purge and open gate valve before release |
| Vacuum Pump | Standard: Stainless steel vacuum flange with valves. Vacuum range: 10 Pa (mechanical pump); 10<sup>-3</sup> Pa (molecular pump) |
he 1600°C small vertical high-temperature tube furnace is specifically developed by Kejia Electric Furnace for CVD experiments involving powder surface deposition. It features a furnace chamber crafted from high-purity alumina fiber, offering simple operation, high temperature control accuracy, excellent thermal insulation, uniform chamber temperature distribution, and the capability for atmosphere introduction and vacuum extraction.This vertical tube furnace is primarily used in university laboratories and industrial research facilities, catering to high-, medium-, and low-temperature CVD processes. Applications include the synthesis of carbon nanotubes, thin-film coating on crystalline silicon substrates, diffusion welding of metal materials, as well as heat treatment under vacuum or controlled atmospheres.
| Parameter | Specification |
|---|---|
| Furnace Tube Size | 960×900mm (customizable according to customer requirements) |
| Heating Zone Length | 300mm (customizable according to customer requirements) |
| Operating Temperature | 1500°C (long-term heating temperature) |
| Maximum Temperature | 1600°C |
| Temperature Control | Intelligent 30-segment programmable control (optional LCD touch screen) |
| Temperature Accuracy | ±1°C |
| Safety Protection | Over-temperature and thermocouple break protection |
| Heating Rate | Recommended 0~10°C/min |
| Heating Elements | Silicon molybdenum rods |
| Chamber Material | Polycrystalline ceramic fiber, dust-free, excellent insulation, high reflectivity, uniform temperature field, strong thermal shock resistance |
| Flange Connections | Equipped with two stainless steel vacuum flanges, pre-installed with mechanical pressure gauge and stainless steel stop valve |
| Sealing System | Silicone O-ring compression seal between furnace tube and flange, easy to disassemble and reusable, excellent airtightness |
| Vacuum Level | Dual-stage rotary vane pump: 10² Torr Molecular pump unit: 10 Torr |
| Tube Material | Alumina tube |
| Airtightness | 4.03×10³ Pa |
| Temperature Sensor | Type B thermocouple |
The vertical tube atmosphere furnace features a unique design that enables rapid heating and cooling of samples under vacuum or protective atmospheres. With four-sided heating, it ensures a more uniform temperature field, while its vertical structure allows for smoother gas exhaust. The furnace is vertically mounted on a movable stand, facilitating easy loading and unloading of tubes while maintaining temperature uniformity.
| Parameter | Specification |
|---|---|
| Furnace Tube Size | 950×1000mm (custom sizes available upon request) |
| Heating Zone Length | 440mm (customizable) |
| Operating Temperature | 1100°C |
| Maximum Temperature | 1200°C |
| Temperature Control | Intelligent 30-segment programmable control (optional LCD touch screen) |
| Temperature Accuracy | ±1°C |
| Safety Protection | Over-temperature and thermocouple break protection |
| Heating Rate | 0~10°C/min |
| Heating Elements | Resistance wire |
| Chamber Material | Polycrystalline ceramic fiber - dust-free, excellent insulation, high reflectivity, uniform temperature field, strong thermal shock resistance |
| Flange Connections | Standard with two stainless steel vacuum flanges, pre-installed with mechanical pressure gauge and stainless steel stop valve |
| Sealing System | Silicone O-ring compression seal between tube and flange - easy disassembly, reusable, excellent airtightness (maintains pressure gauge stability for 12 hours) |
| Vacuum Level | Dual-stage rotary vane pump: 10² Torr Molecular pump unit: 10 Torr |
| Gas Supply System | Equipped with float flow meter; customers can control gas flow rate using float or mass flow meter |
| Tube Material | Fused quartz tube |
| Airtightness | 4.03×10³ Pa |
| Temperature Sensor | Type N thermocouple |
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