Lithium sulfate evaporation and concentration equipment
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1. Sources and uses of lithium sulfate solution:
In the process of extracting lithium from sulfuric acid ore, the ore generally undergoes grinding, transformation roasting, acidification, leaching, purification, filtration and other processes to obtain a relatively pure lithium sulfate dilute solution. Dilute lithium sulfate solution is mainly used for the subsequent production of lithium chloride, lithium hydroxide or lithium carbonate and other products. In order to reduce the consumption of the subsequent production process of lithium chloride, lithium hydroxide or lithium carbonate, dilute lithium sulfate needs to be evaporated and concentrated to about 20%.
2, lithium sulfate evaporation concentration system process introduction:
Lithium sulfate solution is the intermediate product of lithium carbonate, lithium hydroxide monohydrate, lithium chloride and so on. In actual industrial production, the concentration of lithium sulfate solution leached at the front end is relatively low. In order to reduce the energy consumption for subsequent production of lithium salt and improve the direct yield of lithium, lithium sulfate solution is generally required to be evaporated and concentrated. The evaporation end point is generally required to be lower than the saturation concentration. A large amount of calcium and magnesium are removed in the front end purification process, but carbonate ions are introduced when calcium and magnesium are removed, and crystals may be precipitated in the evaporation concentration process. Comprehensive operating costs, one-time investment considerations and heat exchanger cleaning cycle, evaporation concentration process selection generally choose evaporation intensity, high heat transfer coefficient, low power consumption of the falling film evaporator or natural circulation evaporator for evaporation concentration operation. The evaporation system can select MVR evaporator or three-effect evaporator (or four-effect evaporator) evaporation concentration according to the electricity price and steam price.
The system can be specifically designed according to the composition of the lithium sulfate purification liquid.
Solubility of lithium sulfate in water
Temperature ℃
0
10
20
30
40
50
60
70
80
90
100
Solubility
(g/100g water)
36
35.4
34.7
34.1
33.6
33.1
32.7
32.2
31.7
31.2
30.9
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Certificate
The company has successively been recognized as a High-Tech Enterprise, Gazelle Enterprise, Industrial Enterprise R&D Institution, Quality Enterprise for New Energy Equipment Consumables in China, Innovative Enterprise, and Specialized, Sophisticated, Unique and New Small and Medium-sized Enterprise.
It holds the Special Equipment Production License (Pressure Vessels) and Pressure Pipeline Equipment Manufacturing License, with nearly 100 patents and copyrights.
The company has established a sound quality management system and passed the ISO 9001:2025 International Quality Management System Certification.
YANMING Service
QUALITY/QUANTITY DISCREPANCY AND CLAlM
★ ln case the quality and/ or quantity are found by the user to be not in conformity with the contract after arrival of the goods at the port of destination, the user may lodge claim with the seller supported by a survey report issued by an inspection organization agreed upon by both parties, with the exception, however, of those claims for which the insurance company and/or the shipping company are to be held responsible.
★ The claims should be filed by the user within 30 days after the arrival of the goods at the port of destination.
WARRANTIES
★ All the equipment supplied by the seller shall be of good quality, brand new and free of defect, in accordance with design and specification.
★ The warranty period is 1 year after sign the act of acceptance between the seller and user.
★ Duration Of Warranty:
Seller's obligation shall commence on the effective date and continue through the period ending 1 year after sign the act of acceptance. Within the indicated time seller shall make good or replace by his force and on his account defective/worm block, parts or any parts thereof, spare parts which do not allow to normally utilize the equipment and produce amounts intended. Replaced defective parts.
★ Installation Services:
After customer get all machines we will arrange engineers to oversea to install the machine (the specific installation time depends on the local conditions).
★ When there is a problem with the machine or the customer cannot operate the machine, we will immediately give the customer's solution and video to help the customer run the machine.
Lithium sulfate evaporation and concentration equipment
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Our company is a national high-tech enterprise with independent intellectual property rights, with drying, evaporation, crystallization, filtration, reaction, carbonization, gas (vapor) liquid separation technology as the core, integrating design, research and development, manufacturing after-sales service, technical consulting and installation.
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