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China, Chinese Lab Vertical Vacuum Tube Furnace for The Preparation of Oxides Sulfides1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Metal Coating MachineryTube FurnaceQuenching Furnace
HENAN RUNJING INSTRUMENT EQUIPMENT CO.,LTD
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Product Description 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: Part 1: Material Preheating Furnace + Feeding DeviceComponentSpecificationStructureDouble-layer shell, manually lifted structureOperating Temperature< 1000°CTemperature ControlPID 30-segment programmable automatic controlHeating ElementHigh-quality resistance wireFurnace Tube MaterialHigh-quality metal tubeQuartz Tube Size≈ Φ80mm × 1000mm (customizable per customer requirements)Temperature ProtectionOver-temperature and segment failure alarmHeating RateAdjustable 0-10 °C/minMeasuring ElementType N thermocoupleSealed Feeding DeviceSealed feed chamber: Easy-open top cover, uniform volume, pre-installed gas inlet. Part 2: Reaction Furnace + Gas Preheating FurnaceComponentSpecificationStructureDouble-layer shell, manual vertical sliding opening; reaction furnace and gas preheating furnace can be opened independently.Maximum Temperature1200°CTemperature ControlPID 30-segment programmable automatic controlHeating ElementHigh-quality resistance wireFurnace Tube MaterialHigh-quality metal tubeQuartz Tube Size≈ Outer diameter 100mm × 2500mm (customizable per customer requirements)Heating Zone≈ 1800mm, 6 zones (independently adjustable, customizable)Temperature ProtectionOver-temperature and segment failure alarmHeating RateAdjustable 0-10 °C/minMeasuring ElementType N thermocoupleSealing SystemTop: 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 GasesAny inert gas (high purity, positive pressure < 0.02MPa) Part 3: Gas Supply SystemComponentSpecificationGas ChannelsSupports 4 gas sources simultaneously (Note: Inert gases recommended; user must provide safety devices for hazardous gases.)Flow MeterMass 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.ParameterSpecificationHeating Zone LengthDual-zone, 400mm + 400mm (customizable per customer requirements)Furnace Tube DimensionsOuter diameter: 100mm × Length: 1200mm (customizable)Furnace Tube MaterialStainless steelAutomatic Feeding SystemCustomizable design with:- Gas inlet at tube bottom- Screw conveyor for heavy particle extraction- Top tube configuration tailored to requirements Temperature Control SystemParameterSpecificationOperating Temperature≤1000°CTemperature SensorType N thermocoupleControl SystemIntelligent 30-segment PID programmable control:1. AI-based PID adjustment with self-tuning2. Multi-stage heating/cooling programs3. Accuracy: ±1°C4. Over-temperature/breakage protection (auto power cutoff)5. Touchscreen operation with data logging/exportHeating RateRecommended ≤10°C/min (adjustable per process needs)Heating ElementResistance wireFurnace Lining MaterialDual-layer alumina fiber boards (excellent insulation, high reflectivity, uniform temperature):- 1200°C alumina fiber- 1400°C alumina fiber Sealing & Structural ComponentsParameterSpecificationFlangeStainless steel vacuum flange (easy disassembly)Sealing SystemO-ring compression seal between tube/flange:- Reusable, leak-tight, quick-release designFluidization Zone1. Uniform gas distribution through reaction zone2. Solid particles suspended by gas flow in heating zone3. Openable furnace body for post-experiment quartz tube/particle removalNoteExcessive gas flow may carry particles beyond heating zone; adjust flow rate based on particle size.Shell StructureDouble-layer carbon steel shell with air cooling, openable designFurnace OrientationVertical structureFlange (Fluidized Bed)Rubber-sealed flange (with analog vacuum gauge)It is a fluidized bed vertical tube furnace specifically designed for CVD experiments involving powder surface deposition. The furnace tube is made of high-purity quartz and features an internal sintered plate with a pore size of 50 microns. The powder can be placed on a porous quartz plate, and gas can be introduced from the lower end of the furnace tube. The gas passes through the porous quartz plate, suspending the sample particles in the heating zone for deposition experiments. The system is equipped with reserved gas inlet/outlet ports and a vacuum pump interface, allowing it to be used in conjunction with a vacuum pump. (Note: When introducing gas to suspend the sample particles, excessive gas flow may cause the particles to pass through the heating zone. Therefore, during experiments, the gas flow rate should be adjusted according to the particle size.)Fluidized Bed Vertical Tube Furnace SpecificationsHeating Zone LengthFive heating zones, 100mm each, total length 500mm (customizable per customer requirements)Furnace Tube SizeDiameter 25mm × 1200mm (customizable per customer requirements)Tube MaterialHigh-purity quartz tube with built-in 40-90μm sintered plate (customizable)Operating Temp.≤1100°CMax. Temperature1200°CTemperature SensorN-type thermocouples (5 units)Temperature Control SystemUses 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°CSafety ProtectionOver-temperature and power failure protectionHeating RateRecommended 10°C/min (adjustable per process requirements)Heating ElementResistance wireFurnace Chamber MaterialPolycrystalline fiber insulation (excellent thermal insulation, high reflectivity, uniform temperature distribution)FlangeStainless steel vacuum flange (easy disassembly)Sealing SystemO-ring compression seal (reusable, high airtightness, easy removal)Fluidization Zone FeaturesReaction 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 & Gas ControlFurnace StructureVertical designGas Flow ControlEquipped with argon float flow meters (flow range customizable per user needs)Gas PortsTwo inlets (bottom), one outlet (top)This customized micro vertical tube furnace features an upright furnace body and tube, allowing reaction materials to pass smoothly through the reaction zone. The equipment in this series has a simple and user-friendly control system, offering advantages such as uniform temperature distribution, safety and reliability, ease of operation, high temperature control accuracy, excellent thermal insulation, fast heating and cooling rates, and energy efficiency. The 1100°C vertical tube furnace is primarily used for industrial applications such as vacuum sintering, protective atmosphere sintering, vacuum deposition, CVD experiments, and material composition testing in the preparation of rare earth materials, electronic lighting, crystal annealing, bioceramics, electronic ceramics, special alloys, magnetic materials, precision casting, and metal heat treatment.ParameterDescriptionDisplayLED or LED touch screen (customizable)Working Temperature≤1100°CHeating Rate0-10°C/minTemperature Uniformity±1°CTube Diameter950×600 mm (OD) (customizable upon request)Heating Length200 mm (customizable upon request)Heating ElementsResistance wireTube MaterialHigh-purity quartz tubeChamber MaterialAlumina fiberThermocoupleType NTemperature ControlPID 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 SectionDisplayLED or LCD touch screen (optional at extra cost)Working Temperature≤1600°CHeating ZoneSingle heating zone, 300mm (customizable per customer requirements)Heating ElementSilicon molybdenum (SiMo) rodsThermocoupleType BTemperature Control Accuracy±1°CTube SizeOD 50mm (customizable per customer requirements)MaterialAlumina tubeTemperature ControlPID automatic control via SCR power regulationHeating Program30-step programmableHeating Rate0-10°C/minWarranty1-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.ParameterSpecificationMaximum Temperature1200°CContinuous Working Temperature≤1100°CFurnace StructureDouble-layer shell design with automatic cooling systemHeating Rate Recommendation≤10°C/minTube MaterialHigh-purity quartz tubeChamber MaterialPremium high-purity alumina polycrystalline fiber chamber formed by Japanese vacuum adsorption technology, featuring excellent insulation, high reflectivity and uniform temperature distributionTube DimensionsTapered tube φ10φ8600mm (customizable)Heating Zone Length200mm (customizable)FlangeStainless steel sealing flange with quick-disconnect design, equipped with precision needle valveTemperature Control System1. AI-based PID control with auto-tuning2. 30-segment programmable heating/cooling3. Control accuracy ±1°C4. Over-temperature and thermocouple failure protection5. Automatic temperature calibrationHeating ElementResistance wireTemperature SensorType N thermocoupleGas Inlet/OutletIntegrated into flangeMulti-station Tube FurnaceThis 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.ParameterSpecificationFurnace StructureDouble-shell designFurnace MaterialHigh-purity alumina polycrystalline fiberMaximum Temperature1200°CWorking Temperature1100°CRecommended Heating Rate≤10°C/minTube MaterialHigh-purity quartzTube DimensionsOD: 50mm × ID: 44mm × Length: 1000mm (customizable)Heating Zone Length200mm (customizable)Rotation Mechanism180° multi-angle rotatable chamber, detachable and height-adjustableFlangeKF quick-release stainless steel sealing flangeTemperature 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 ElementResistance wireTemperature SensorType N thermocoupleThis tubular furnace features an upright furnace body and tube, allowing reaction materials to pass smoothly through the reaction zone. With a four-zone design, each temperature zone can be independently controlled, and the maximum working temperature reaches 1300°C. This fluidized bed tubular furnace is primarily used in university laboratories and industrial research labs for high, medium, and low-temperature CVD processes, such as organic pyrolysis (or cracking), carbon nanotube synthesis, crystalline silicon substrate coating, diffusion welding of metal materials, as well as heat treatment under vacuum or controlled atmospheres.ParameterDescriptionWorking Temperature≤1300°CShell StructureDouble-layered, electrostatic spray coatingFurnace Chamber MaterialHigh-purity polycrystalline alumina ceramic fiber, offering excellent thermal insulation, high reflectivity, uniform temperature distribution, and strong resistance to thermal expansion and contractionHeating ElementsPremium straight silicon carbide rodsHeating RateRoom temperature to 1000°C: ≤10°C/min1000°C to 1200°C: ≤5°C/min1200°C to 1300°C: ≤2°C/minTemperature Control SystemPID regulation, 30-segment programmable automatic controlTemperature ProtectionOver-temperature and thermocouple break alarmTemperature Accuracy±1°CTemperature SensorS-type platinum-rhodium thermocoupleHeating Zones4 zones (300+300+300+300 mm), total heating length 1200 mm, independently controllable (customizable upon request)Furnace TubeCorundum tube, Φ60×1800 mm (customizable upon request)Door Opening MethodFront side-openingFeeding MethodTop feeding (continuous feeding device to be purchased separately by the buyer)Flange DesignTop Flange: Equipped with feed inlet, gas inlet, gas dispersion device, and mechanical vacuum pressure gaugeBottom Flange: KF interface for cyclone separator, exhaust pipe connected to safety pressure relief valve and dust filterGas Control System2-path mass flow metersPrecautions1. 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.ParameterDescriptionDisplayLED or LED touch screen (customizable)Working Temperature≤1100°CHeating Rate0-10°C/minTemperature Uniformity±1°CTube Diameter950×600 mm (OD) (customizable upon request)Heating Length200 mm (customizable upon request)Heating ElementsResistance wireTube MaterialHigh-purity quartz tubeChamber MaterialAlumina fiberThermocoupleType NTemperature ControlPID 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.ParameterDescriptionHeating Zone Length300+300 mm, dual-zone (customizable upon request)Furnace Tube SizeΦ50×1200 mm (customizable upon request)Tube MaterialHigh-purity quartz tube with built-in 5-20μm mesh (customized)Working Temperature≤1100°CMaximum Temperature1200°CThermocoupleType NTemperature Control SystemIntelligent 30-segment PID auto-control via thyristor power regulation with auto-tuning functionBuilt-in overheat and thermocouple break protectionTemperature Control Accuracy±1°CHeating RateRecommended 0-10°C/minHeating ElementsResistance wireChamber MaterialAlumina ceramic fiberVacuum FlangeStainless steel vacuum flange with valves and needle valveVacuum PumpRotary vane vacuum pumpGas SystemTwo-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.ParameterDescriptionFurnace StructureVertical open-type structure with double-layer shell and automatic cooling systemFurnace Chamber MaterialHigh-purity alumina polycrystalline fiber vacuum-formed chamber with excellent thermal insulation, high reflectivity and uniform temperature distributionContinuous Working Temperature≤1000oCHeating RateRecommended ≤10oC/minFurnace Tube Material2520 alloyTube StructureDilute phase and dense phase zones connected via transition section, with welded stainless steel side pipes/flanges, top sealed flange with explosion-proof deviceHeating ElementsResistance wireFurnace CompositionSplit 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 Zone2520 alloy tube, 500mm heating zone (customizable), lower rear inlet port, thermocouple and mechanical pressure gauge for monitoring, top exhaust connected to dust detection systemExhaust EndTube extends outside furnace body with branch thermocouple and pressure gaugeTemperature SensorType N thermocoupleControl 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 functionInstrumentationSeparate 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/ceramicsPhysical property measurementsSintering/dissolution processesHeat treatment of small rigid components (annealing, calcination, etc.)Key Advantages:Vertical gas flow optimizes reaction byproduct removalDual-zone heating (±1°C uniformity)Ergonomic access with adjustable height mechanismMulti-process compatibility (vacuum/atmosphere operation)ParameterSpecificationTube Dimensions60mm (OD)Furnace Door StructureOpenable designShell MaterialStainless steelHeating Zone Length400×400mmCooling Zone200-600mm (final design dependent)Tube Material310S stainless steelOperating Temperature≤1000°CHeating Rate0-10°C/minFurnace LiningAlumina polycrystalline fiberTemperature ControlIntelligent 80-segment programmable control with independent zone regulationTemperature Accuracy±1°CHeating ElementsResistance wireOperating VoltageAC 220V 50Hz single phaseMaximum PowerFinal design dependentThermocouple 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 MechanismSealed vertical lift system for positioning samples between heating zone (Zone 2) and cooling zoneThe 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 fluidizationPrecise gas flow control to maintain particle suspensionHigh-purity quartz construction ensuring chemical inertnessVertical design for efficient gas-solid interactionParameterSpecificationHeating Zone Length440mm (customizable)Furnace Tube DimensionsΦ60×1000mm (customizable)Tube MaterialHigh-purity quartz tube with built-in 0.2mm porous quartz plate (customized)Operating Temperature≤1100°CMaximum Temperature1200°CTemperature SensorType N thermocoupleTemperature Control SystemIntelligent 30-segment PID programmable control with auto-tuning functionTemperature Accuracy±1°CTemperature ProtectionOver-temperature and thermocouple break protectionHeating RateRecommended 0-10°C/minHeating ElementsResistance wireFurnace Lining MaterialPolycrystalline fiber with excellent insulation, high reflectivity and uniform temperature distributionFlangeDetachable stainless steel vacuum flangeSealing SystemO-ring compression seal (reusable, good airtightness)| Fluidization Zone Features | 1. Reaction gas flows uniformly through reaction zone2. Solid particles are suspended in heating zone by gas flow3. 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 GaugeMechanical pressure gauge at gas outletShell StructureDouble-walled with air cooling system, openable designFurnace StructureVertical configurationFlow MeterHydrogen float flow meter for precise fluidization controlKey Advantages:Customizable porous plate for optimized fluidizationPrecision temperature control (±1°C accuracy)Quick-access design for sample handlingVersatile gas flow control for different particle sizesThe 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.ParameterSpecificationMax Temperature1200°CUniform Heating Zone120mm × 440mm (Customizable upon request)Tube Diameter100mm (Customizable upon request)Number of Heating ZonesSingle zone (Customizable upon request)Insulation MaterialHigh-purity alumina fiber lining, reducing heat loss and ensuring high-temperature stability.Shell MaterialHigh-quality cold-rolled steel plate, electrostatic powder-coated for a hard and durable finish with excellent rust resistance.Furnace DoorSide-openingMain ControllerPID 30-segment programmable controlOver-temperature alarmThermocouple break alarmTemperature SensorType N thermocoupleHeating ElementResistance wireHeating Rate0-10°C/minThis 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.ParameterSpecificationFurnace TypeVertical, openableFurnace MaterialAlumina refractory fiberHeating ElementResistance wireWorking Temperature≤1000°CHeating RateAdjustable (0~10°C/min)Heating ZonesDual zones (preheating zone + high-temperature zone)Total Zone Length200+200 / 300+300 / 400+400 mm (customizable upon request)Tube MaterialCustom stainless steel tubeTube Diameter40, 50, 60, 80, 100, 120, 200 mm (customizable upon request)Control ModeMulti-segment intelligent PID programmable control, (reserved communication interface)Metal Tube Length440mm + 380mm (customizable upon request)Temperature SensorType N thermocoupleAfter-Sales Service1-year warranty, lifetime maintenance (consumables such as high-temperature sealing rings, furnace tubes, and heating elements are not covered)CustomizationFluidized bed version available upon requestThe 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.ParameterSpecificationFurnace 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°CMax. Working Temp.1700°CHeating/Cooling RateBelow 1200°C: 5°C/min; Above 1200°C: 10°C/minHeating Zone Length300 mm (customizable)Heating ElementU-shaped MoSi2 rodsThermocoupleType B (PtRh-PtRh)ChillerCools flange ends to protect sealsTemperature Controller1. PID control with 30-segment programming2. Accuracy: ±1°C3. Over-temp/thermocouple break protection (auto power cutoff)4. Auto-tuning functionFurnace TubeMaterial: Corundum (OD: 80mm; ID: 70mm; Length: 1000mm)Customizable. Tube plugs required before use to block thermal radiation.Vacuum Flanges & Valves1. Top: Stainless steel flange with hook, sample ejection port, and thermocouple interface2. Bottom: Gate valve + mechanical pressure gauge3. Bottom flange includes gas inletQuenching Container1. Stainless steel liquid tank fixed below tube2. Manual gate valve between tube and tank3. Top flange: Hanging mechanism (max 1000g sample)4. Push-release mechanism for sample quenching5. Requires 5 PSI argon purge and open gate valve before releaseVacuum PumpStandard: 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.ParameterSpecificationFurnace Tube Size960×900mm (customizable according to customer requirements)Heating Zone Length300mm (customizable according to customer requirements)Operating Temperature1500°C (long-term heating temperature)Maximum Temperature1600°CTemperature ControlIntelligent 30-segment programmable control (optional LCD touch screen)Temperature Accuracy±1°CSafety ProtectionOver-temperature and thermocouple break protectionHeating RateRecommended 0~10°C/minHeating ElementsSilicon molybdenum rodsChamber MaterialPolycrystalline ceramic fiber, dust-free, excellent insulation, high reflectivity, uniform temperature field, strong thermal shock resistanceFlange ConnectionsEquipped with two stainless steel vacuum flanges, pre-installed with mechanical pressure gauge and stainless steel stop valveSealing SystemSilicone O-ring compression seal between furnace tube and flange, easy to disassemble and reusable, excellent airtightnessVacuum LevelDual-stage rotary vane pump: 102 TorrMolecular pump unit: 10 TorrTube MaterialAlumina tubeAirtightness4.03×103 PaTemperature SensorType B thermocoupleThe 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. This furnace supports pre-vacuum pumping and can introduce various gases, including hydrogen, argon, nitrogen, oxygen, carbon monoxide, and ammonia-cracked gas. It offers advantages such as an even temperature distribution, low surface temperature, fast heating/cooling rates, and energy efficiency. Specifically designed for fluidized-bed CVD applications, it is ideal for experiments such as thin-film growth, electrode testing, oxide crystal growth, and rapid annealing. Widely used in university and industrial laboratories, it accommodates high-, medium-, and low-temperature CVD processes, including carbon nanotube synthesis, crystalline silicon substrate coating, metal diffusion welding, and heat treatment under vacuum or controlled atmospheres.ParameterSpecificationFurnace Tube Size950×1000mm (custom sizes available upon request)Heating Zone Length440mm (customizable)Operating Temperature1100°CMaximum Temperature1200°CTemperature ControlIntelligent 30-segment programmable control (optional LCD touch screen)Temperature Accuracy±1°CSafety ProtectionOver-temperature and thermocouple break protectionHeating Rate0~10°C/minHeating ElementsResistance wireChamber MaterialPolycrystalline ceramic fiber - dust-free, excellent insulation, high reflectivity, uniform temperature field, strong thermal shock resistanceFlange ConnectionsStandard with two stainless steel vacuum flanges, pre-installed with mechanical pressure gauge and stainless steel stop valveSealing SystemSilicone O-ring compression seal between tube and flange - easy disassembly, reusable, excellent airtightness (maintains pressure gauge stability for 12 hours)Vacuum LevelDual-stage rotary vane pump: 102 TorrMolecular pump unit: 10 TorrGas Supply SystemEquipped with float flow meter; customers can control gas flow rate using float or mass flow meterTube MaterialFused quartz tubeAirtightness4.03×103 PaTemperature SensorType N thermocouple
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