Split molten salt electrolytic furnace

Release time: 2025-08-31 00:19:32  Number of views: 80

Molten salt furnaces are the key bridge between electrical energy and highly active metal/material production. It becomes an irreplaceable technology for industrial production of metals such as aluminum, magnesium, sodium and rare earth by virtue of its advantage in treating substances that cannot be electrolyzed in aqueous solution (such as Al ³Mg ²). At the same time, it plays an increasingly important role in the frontier areas of sustainable nuclear energy and advanced material preparation. The equipment is characterized by high temperature, high corrosion, high current and high safety, embodying the high combination of electrochemical engineering and high temperature material technology.


Product Details
application area
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Easy operation and maintenance
Convenience for changing electrodes: In the experiment, researchers often need to change electrodes of different materials and shapes to study their performance. The split design allows fast removal or replacement of electrode components without cooling the entire furnace body, greatly improving experimental efficiency.
Easy to clean and maintain: molten salt will produce residue or corrosion products after use. The split-type design can take out the electrolytic unit (including electrode and part of molten salt) as a whole to facilitate cleaning or replacement and avoid pollution or damage to the main heater.
Improve safety
Isolation of high voltage/high current: separate the electrode connector carrying high voltage/high current from the high temperature heating part, so as to provide better electrical insulation and safety protection and reduce the operation risk.
Reduction of thermal stress: the length of electrode lead in the high temperature zone is shortened, which reduces the stress and damage risk caused by uneven thermal expansion.
Increased flexibility and versatility
Multi-head configuration: a heating furnace body can be matched with multiple different electrolytic units (such as different sizes, different electrode configurations) for parallel experiments or fast switching between different experimental conditions.
Good compatibility: it is easy to integrate different measuring probes (such as reference electrode and gas sampling tube) into the electrolytic unit for in-situ characterization such as electrochemical impedance spectrum (EIS) and cyclic voltammeter (CV).
Optimized thermal management
Precise temperature control: the heater body can focus on providing a uniform and stable high temperature environment, and the impact of Joule heat generated during electrolysis on the overall temperature field can be compensated by the control system to achieve more accurate temperature control.

Equipment name

Split molten salt electrolytic furnace

Specification and model

NBD-LTO1700-80TP2F9L-N

Power supply

AC220V 50HZ

Rated power

6.7KW

Heating element, heating element

Type 1800 hot bending high-purity silicon molybdenum rod

Type of sensor

Furnace temperature control: B-type thermocouple φ 8 * 150mm
Sample temperature measurement: B-type thermocouple φ 8 * 500mm

Tmax

1700℃

Long-term operating temperature

1650℃

Recommended heating rate

≤10℃/min

Recommended heating rate

Corundum pipe Φ 80 * 800mm

Furnace temperature zone size

L140*H200*D140mm

Material and dimension of seal chamber

Acrylic tube φ 350 * 10 * 420mm

Float flow meter

Two ways0.5-8L/min

Cold cooling circulating pump

Cold water chamber volume 9L Power 2KW

Cold water chamber volume 9L Power 2KW

Mm (upper and lower limit positions can be adjusted)

Maximum lift stroke of upper chamber

Mm (upper and lower limit positions can be adjusted)

Furnace body size

Equipment body: length 570 * height 2175 * depth 975mm
Electric cabinet: length 610 * height 250 * depth 470 mm

control system

1. Sintering process curve setting: the setting curve is displayed dynamically, multiple process curves can be pre-stored for equipment sintering, and each process curve can be set freely;
2. Sintering can be reserved to realize unattended sintering process curve sintering;
3. Display sintering power voltage and other information in real time, record sintering data and export paperless records;
4. Remote control and real-time observation of equipment status;
5. Temperature correction: the difference between the main control temperature and the sample temperature, and nonlinear correction shall be carried out throughout the sintering process.

Temperature accuracy

+/- 1℃

Weight of furnace body (including electric cabinet)

Approximately 167KG

Precautions for equipment use

When the equipment is used, the reading of the absolute pressure gauge shall not be greater than 0.15MPa to prevent equipment damage caused by excessive pressure;
When the equipment is used under vacuum, it is suggested that the operating temperature of the equipment shall not exceed 800 ℃. If there is a need for higher temperature, please contact us for consultation;
Please read carefully the precautions for use of corundum products before using the equipment;

Service support

One year limited warranty with lifetime support (Consumable parts, such as processing tubes and O-rings, are not covered by this warranty. Please order replacement parts from the relevant products below.)

Nonferrous metallurgy (most important application):
Aluminum production: Alumina - cryolite (AlO - NaHall-H routing process) system electrolytically fused by Hall-H process is the production mode of more than 95% of primary aluminum in the world.
Magnesium production: electrolytic anhydrous magnesium chloride (MgClmolten salt to produce magnesium metal.
Sodium and lithium production: Electrolytically melt sodium chloride (NaCl) or lithium chloride (LiCl) to prepare active metals.
Production of rare earth metals: Electrolytically melt chloride or fluoride salt to prepare rare earth metals such as lanthanum, cerium and neodymium.
Nuclear and Nuclear Fuel Cycle:
Spent fuel reprocessing: in dry reprocessing, molten salt electrolysis technology is used to separate and recover actinides such as uranium and plutonium from molten chloride salt and separate them from fission products.
Preparation of nuclear material: production of high-purity zirconium, hafnium and other anti-corrosion nuclear materials.
High-purity and special material preparation:
High-purity titanium/zirconium/hafnium: Direct electrolysis of its oxide (in CaClmolten salt) by means of FFC Cambridge method is a promising low-cost and high-purity preparation method.
Purification of refractory metals: used for refining metals such as tungsten and molybdenum.
Electrodeposition of functional materials: Electrodeposition of special coatings or composites in molten salts.
Production of Chemicals:
Production of strong oxidants such as perchlorate (KClO) and persulfate.

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Sale Service: 0371-6320 2801
                      0371-6320 2805
After-sales service: 0371-6320 2805
MR. CAI: 181-0371-5723
Email : nbd@nbdkj.com
Address:8# zhuyuan, Xinhua subdistrict, Xinzheng, Zhengzhou, China
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