High Purity, Low Impurities · Corrosion-Resistant and Energy-Saving · Multi-Application Compatibility
Product Content:
- Principal component purity: ≥ 99.8% (primary crystallization)
- Key impurity control: Chloride ion (Cl ⁻) ≤ 150ppm, Calcium ion (Ca ² ⁺) ≤ 50ppm, Magnesium ion (Mg ² ⁺) ≤ 50ppm
- Water insoluble substance: ≤ 0.01%
- PH value (5% solution): 6.0-7.5 (neutral stable)
Product Features
1. Ultimate purity ensures long-term operation of the system
- Ultra low corrosion rate: The chloride ion content is only 1/3400 of the national standard, and the corrosion rate at high temperatures is less than 0.01%, extending equipment life by more than 30%;
- Strong thermal stability: melting point of 220 ℃, upper limit of operating temperature of 600 ℃, no decomposition gas generated, avoiding system pressure fluctuations;
- Fully water-soluble and residue free: fast dissolution rate, zero blockage of circulation pump, suitable for precision temperature control systems.
2. Multi scenario adaptation, empowering clean energy transformation
application area | Core values | Empirical Cases (Part) |
---|---|---|
Solar thermal power generation | Increase heat storage density by 20% and enhance peak shaving capability | First flight Dunhuang 100MW power station (supply of 12300 tons) |
Industrial waste heat recovery | Heat transfer efficiency>95%, replacing thermal oil | Shaoxing Green Electric Molten Salt Energy Storage and Heating Project |
Coal fired peak shaving | Deep peak shaving response time<15 minutes | Huaneng Xi'an Thermal Power Research Institute Cooperation Project |
3. Green recycling technology to reduce overall costs
- Recycling and reuse: supports half price recycling and resource regeneration of molten salt, reducing operation and maintenance costs by 40%;
- Low carbon process: Adopting ceramic membrane purification technology, carbon emissions are reduced by 25%.
Usage and dosage
Applicable systems: molten salt heat storage tank, steam generator, high-temperature reactor
Application scenarios | Preparation ratio | operation point |
---|---|---|
Binary molten salt (Solar Salt) | Potassium nitrate 40%+Sodium nitrate 60% | After mixing, heat to 290 ℃ and completely melt |
Ternary molten salt | Customized formula for ternary molten salt (including sodium nitrite) | Pre dehydration and explosion-proof boiling are required |
First feeding | 5-20 tons/megawatt (according to design) | Batch melting, cyclic heating ≤ 50 ℃/hour |
applications
- Thermal storage in solar thermal power plants: tower/trough type thermal storage units for solar thermal power plants
- Industrial steam supply: replacing coal-fired boilers to provide stable steam for textiles and chemicals
- Grid peak shaving: coupling coal-fired units with molten salt energy storage to enhance frequency regulation flexibility
- Mobile heating station: emergency heat source support, plug and play
precautions
1. Safety operation standards
- Prohibited substances: It is strictly prohibited to come into contact with organic matter (oil, wood chips), reducing agents, and active metal powders to prevent explosions;
- Moisture proof and anti condensation: Storage humidity ≤ 80%, clumps need to be crushed before use, without affecting performance.
2. System operation requirements
- Heating control: Initial heating rate ≤ 30 ℃/hour to avoid thermal stress rupture;
- Water quality control: Water mixed in must be completely evaporated before 200 ℃ to prevent high-temperature gas explosion.
3. Storage and transportation
- Packaging: Double layer moisture-proof woven bag (25kg/bag) or customized ton bag;
- Storage and transportation: Store in a cool and ventilated warehouse (<30 ℃), away from sources of fire and acids.
Packaging: Inner plastic and outer woven, net weight 20Kg, 25Kg, 50Kg per bag, stored in a ventilated and dry place