High Vacuum Tungsten Wire Furnace | Precision Heat Treatment & Sintering

ZYLAB Vacuum Tungsten Sintering Furnace Introduction The ZYLAB High Vacuum Tungsten Wire Furnace is a vertical vacuum resistance furnace that utilizes high-purity tungsten wire as the heating element. It is designed for the sintering and annealing of metal compounds, ceramics, and inorganic materials under vacuum or protective gas atmospheres. Additionally, it is suitable for the heat treatment of metal materials. This batch-type furnace features a bottom-loading structure, ensuring stable and efficient material handling. With its high vacuum capability, precise temperature control, and advanced thermal insulation, it provides a reliable solution for research laboratories and industrial applications requiring high-purity processing conditions. Key Features Robust Furnace Body: Double-layer water-cooling structure with cylindrical welded flanges. Inner wall made of finely polished 304 stainless steel to ensure high vacuum. Outer wall treated with 304 sandblasting, with water cooling between layers. Equipped with a side thermocouple for monitoring metal insulation temperature. Advanced Furnace Cover: Double-layer water-cooled flat structure for both upper and lower covers. Inner wall features finely polished 304 stainless steel for maintaining high vacuum. Efficient Bottom and Lifting Mechanism: Bottom structure similar to the cover, with a central sample platform. Bottom feed and discharge design with a linear guide rail lifting system. Reliable Vacuum System: Composed of a molecular pump, mechanical pump, vacuum pipelines, vent valves, pneumatic butterfly valve, and vacuum gauge. High-Temperature Heating Zone: Uses high-purity tungsten wire mesh as the heating element. Two tungsten mesh pieces suspended vertically inside the furnace. Tungsten electrodes drawn from the side, connected to water-cooled copper electrodes and a transformer. Precise Temperature Control: Utilizes WRe5/26 tungsten-rhenium thermocouples for accurate control. Ideal for inert or dry hydrogen atmospheres, with protective measures to prevent oxidation. Durable Sample Support System: Composed of a multi-layer structure: tungsten plate, pure tungsten sheets, molybdenum sheets, stainless steel plate, and high-purity tungsten rods. Efficient Water Cooling System: Centralized cooling water distribution to the furnace body, cover, electrodes, and diffusion pump, ensuring effective heat dissipation. Integrated Electric Control System: Control cabinet combined with the furnace body for a compact design. Features a touch screen, ammeter, voltmeter, and vacuum gauge. Uses thyristor temperature control with safety functions like overcurrent, water failure, over-temperature, and thermocouple disconnection alarms. Automatic Exhaust Ignition System: Uses double-helical silicon carbide rods as the ignition source. Built-in anti-backfire device for safe and reliable gas combustion. Applications of High Vacuum Tungsten Wire Furnace Metal Compounds: Efficiently sinters metal alloys, intermetallic compounds, and other metallic materials. Ceramics: Ideal for high-temperature sintering of advanced ceramics and ceramic composites. Inorganic Compounds: Suitable for processing oxides, nitrides, carbides, and other inorganic materials. Heat Treatment: Performs annealing, degassing, and thermal processing of metallic and non-metallic materials. Material Research: Widely used in research institutions and laboratories for developing new materials and studying high-temperature properties. Special Alloys: Perfect for sintering refractory metals and specialized alloys under high vacuum conditions. Technical Specifications of High Vacuum Tungsten Wire Furnace Model B2200-80 Electrical Specifications AC3*380V/50Hz Rated Power 20 kW Maximum Temperature (Tmax) 2200°C (commonly used at 2000°C) Heating Zone Dimensions φ80*80 mm Cold-State Ultimate Vacuum 6.67×10⁻³ Pa Pressure Rise Rate ≤4 Pa/h Gas Pressure ≤0.015 MPa Atmosphere Argon, nitrogen, dry hydrogen Temperature Measuring Element Tungsten-rhenium thermocouple φ0.5*400 mm Heater Material Tungsten cage heater φ117*210 mm Gas Inlet System Two-way float flow meter with solenoid valve control External Dimensions Length 1200 mm × Height 2050 mm × Depth 950 mm Heating Element and Structure Acid and corrosion-resistant graphite heater/tungsten-molybdenum heater Exhaust Gas Treatment Automatic tail gas ignition system Control System Sintering process curve setting: dynamic curve display and multi-curve storage Scheduled sintering with unattended operation Real-time display of sintering power, voltage, and data recording (paperless export) Remote operation and equipment status monitoring Temperature correction for non-linear difference between main control and sample temperature Pressure Measurement and Monitoring Mechanical pressure gauge with sealed structure for protection against environmental impact and contamination; high corrosion and high-temperature resistance Gas Supply System Integrated float flow meter control, leak-tested before delivery Net Weight 560 kg Service & Warranty One-year warranty with lifetime technical support (excludes consumables such as process tubes and O-rings) Operational Precautions Thermocouple Maintenance: The thermocouple used in this equipment is a tungsten-rhenium type (WRe5/26), known for its long service life under vacuum conditions. In case of damage, replace the thermocouple promptly. Water Circulation and Maintenance: During winter, ensure proper insulation of the circulating water system to prevent pipe bursts due to freezing. After use, maintain the furnace under vacuum conditions to facilitate quicker vacuuming for the next operation. Handling Heating Elements: The tungsten heating element is brittle. Handle with care when placing workpieces or dismantling the insulation layer to avoid damage. Personnel and Usage Guidelines: The equipment is complex and should be operated by trained and dedicated personnel. Strictly enforce pre-use training for new users, and perform post-use inspections. Maintain operation records according to established usage regulations. Emergency Water Supply: Connect an additional municipal water supply as a backup to the circulating water system. In the event of a power outage, immediately open the backup water source to protect the furnace body. For More Content Please read our blog: The Role of Vacuum Atmosphere Tungsten Heating Furnaces in Critical Metal Materials Research For More Options on Vacuum Furnaces Please visit our website [Vacuum Furnaces Collection] For More Options on High Temperature Furnaces Please visit our website [High Temperature Furnaces Collection] Get In TouchFill out the form below — free quote and professional suggestion will be sent for reference very soon! Name Email* Message Send