Quenching Molten Salt
Molten salts (thermally conductive molten salts, thermal media) usually refer to molten inorganic salts as molten salts. It is a chemical reaction heat conduction medium formed by the melting of salts. The molten salt is a molten body composed of metal cations and non-metal anions. Molten salts are salts that are solid at standard temperature and atmospheric pressure, but exist in the liquid phase after the temperature rises.
1. Product name: Quenching molten salt
Melting point |
Boiling point |
Heat of fusion |
Specific heat |
Average thermal conductivity |
Operating temperature |
Exterior |
140℃ |
680℃ |
18Kcal/Kg |
0.34 kcal/Kg·℃ |
0.317 |
150℃-450℃ |
Yellowish crystals or particles |
2. Instructions for use
Put the heat conductive molten salt into the tank to directly heat and melt, or add a small amount of water to the heat conductive molten salt and heat to melt it. After melting to a sufficient viscosity, it can be circulated by a circulation pump, and then sent to a heat-carrying furnace to gradually increase the temperature to reach the target temperature.
3. Matters needing attention
① Molten salt should be kept clean and not in contact with organic substances such as charcoal, rosin or reducing substances, so as not to cause violent chemical reactions.
② When the temperature rise begins, strictly control the temperature rise rate, and try to avoid rapid cooling and rapid heating during system operation.
③ In circulation heating, the flow rate is constant, and the membrane temperature cannot be exceeded.
④ In high-temperature use, mixing of water and organic substances is strictly prohibited.
⑤ When the commonly used molten salt exceeds 550°C, the molten salt becomes unstable, reacts, emits gas, and the melting point of the molten salt rises, causing the molten salt to deteriorate.
⑥ When there are more precipitates in the molten salt of the heat carrier, the molten salt should be replaced.
⑦ Before stopping, the molten salt must be poured back into the molten salt storage tank before entering the parking procedure.
Keywords: Sodium Nitrate, Sodium Nitrite
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