Vacuum Molten Salt Electrolysis Furnace for High-Temperature Electrochemical Research

ZYLAB Vacuum Molten Salt Electrolysis Furnace

Introduction

The ZYLAB Vacuum Molten Salt Electrolysis Furnace is a high-performance system specifically designed for molten salt electrochemical processes. Built for advanced research in electrometallurgy, high-temperature electrolysis, and ionic conductivity studies, this furnace provides a stable and controllable environment for precision electrochemical reactions at elevated temperatures.

Molten salts, as high-temperature ionic conductors, offer a wide electrochemical window and fast reaction kinetics—making them ideal electrolytes for electrochemical metallurgy. The electrolysis of aluminum is one of the most successful examples of this technology.

Key Features

• High-Temperature Operation: Capable of reaching up to 1200°C, suitable for most molten salt systems including chlorides, fluorides, and carbonates.

• Stable Power Control: Equipped with a non-contact thyristor control module for smooth, precise operation.

• Uniform Heating Design: Bottom and annular side heating with embedded alloy heating wires ensures excellent temperature uniformity.

• Energy-Efficient Insulation: Built with vacuum-formed ceramic insulation, reducing thermal losses and power consumption.

• Robust Electrolysis Chamber: Made from 310S stainless steel, resistant to oxidation and corrosion under harsh electrochemical conditions.

• Vacuum & Gas Atmosphere Compatible: Integrated vacuum port (KF25) and gas inlet/outlet connections for controlled atmosphere processing.

• Water-Cooled Seal Structure: Extends seal life and ensures vacuum integrity during prolonged high-temperature operation.

• Multiple Electrode Ports: Flexible electrode terminal configuration for different electrolysis setups.

Technical Specifications of Vacuum Molten Salt Electrolysis Furnace

Model	G1200-350
Power Supply	3-phase 380V, 50Hz
Rated Power	16 kW
Max Temperature	1200°C
Operating Temp	1150°C
Temperature Accuracy	±1°C
Heating Method	Bottom + annular heating
Thermocouple Type	K-type, Φ2 × 420 mm
Heating Zone	Φ350 × 420 mm
Furnace Dimensions	995 × 1200 × 910 mm (L×H×D)
Heating Rate (Recommended)	≤5°C/min
Electrolysis Voltage	15 V
Electrolysis Current	100 A
Vacuum Level	5–10 Pa (upgradeable with molecular pump)
Gas Inlet	Φ6.35 mm
Exhaust Port	Φ25 mm hose barb
Flow Meter	60–600 ml/min (float type)
Weight	~380 kg
Control System		Programmable sintering curves with dynamic display Multiple preset process profiles Scheduled operation for unattended sintering Real-time display and data logging of power, voltage, etc. Data export for paperless records Remote control and monitoring support Automatic temperature correction throughout the sintering process
Heating Element		Mo-doped Fe-Cr-Al alloy
Vacuum Reactor Vessel		High-temperature vessel for molten salt electrolysis
Corrosive Gas Preheater (Optional)		Made from 316L stainless steel; suitable for preheating various gases including corrosive types; max. temp. 600°C
Warranty & Support	18 months(not including consumable parts, such as heating elements, thermocouple), lifetime support.

Applications of Vacuum Molten Salt Electrolysis Furnace

• Electrochemical Metallurgy

  • Extraction and purification of reactive and rare metals such as aluminum, magnesium, lithium, titanium, calcium, and uranium.

  • Research and testing of new electrochemical reduction processes for metal oxides and halides.

• High-Temperature Molten Salt Electrolysis

  • Study of electrode reactions and ion transport in molten salt media.

  • Electrolysis of refractory metal compounds under controlled vacuum or inert atmosphere.

• Molten Salt Chemistry & Thermodynamics

  • Investigation of redox behavior, solubility, and decomposition of compounds in molten salts.

  • Determination of thermodynamic data in high-temperature ionic systems.

• Energy Materials Research

  • Development of molten salt batteries, fuel cells, and thermal storage materials.

  • Electrochemical synthesis of ceramic or intermetallic materials for energy applications.

• Advanced Materials Processing

  • High-temperature treatment of materials in aggressive or corrosive environments.

  • Synthesis of nanostructured materials, metallic foams, or composite materials via electrochemical routes.

This furnace is widely used in:

• University research laboratories

• National key laboratories of metallurgy and electrochemistry

• R&D departments of advanced material manufacturers

• Institutes exploring sustainable metal extraction technologies

For More Content

Please read our blog：How Laboratory Molten Salt Electric Heating Furnaces Are Transforming the Aluminum Electrolysis Industry

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Please visit our website [Molten Salt Furnaces]

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