| Customization: | Available |
|---|---|
| After-sales Service: | Provide |
| Warranty: | 1 Year |
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10000 t/a Complete Lithium Production Line Equipment
With the rapid development of electronics, automobile, information and other industries, lithium, as the basic material for the production of secondary lithium salts and lithium metal products, has become the most important product in lithium compounds, and the market demand increases by 6% to 8% every year. In recent years, the application of lithium as cathode material of lithium ion battery, electrolyte, surface elastic wave element material is becoming mature, the added value of products is increasing, and the market demand is expanding rapidly. nd increases by 6% to 8% every year. In recent years, the application of lithium as cathode material of lithium ion battery, electrolyte, surface elastic wave element material is becoming mature, the added value of products is increasing, and the market demand is expanding rapidly.
The production line for roasting and acidizing lithium ore with lepidolite, spodumene and other raw materials configured by our company has excellent product performance, stable production condition and easy operation, which has received positive recognition from users. The kiln adopts wireless temperature monitoring system and remote intelligent variable speed kiln condition control system, which is convenient for production personnel to adjust kiln condition in real time. The raw material crystal conversion rate is high, the acidification is complete, and the lithium leaching rate and lithium recovery rate are 15% higher than the traditional process. The energy consumption of production line can be reduced about 20% by using waste heat recovery from kiln tail for acidizing heat supplement. Cooling equipment adopts closed low temperature cycle technology, dust inlet is equipped with annular air seal device, the production workshop has a certain position in the field of dust reduction and environmental protection, effectively improve the operating environment.
Production Technology:
1. Loading part
This production line uses lithium mica and auxiliary materials I, auxiliary materials II, auxiliary materials III, dust collection powder.
The lithium mica powder in the ton bag and the auxiliary materials I, II and III in the small bag are hoisted to the top of the batching bin. Then the bags are manually unpacked and the material is placed in the small bin. The dust collector is set to dedust the powder. Set up another drive to unload from the car to the storage area.
2. Batching
Lithium mica powder and auxiliary materials I, II, III four batching bins and dust collecting powder bins are equipped with weighing sensors, which are used to weigh the materials in the bin, and are adjusted by the double helix weighing and weighing control system under the bin. After the various materials are discharged, FU chain conveyor entered and feed the materials to the mixing mixer.
3. Mixing granulation
The water mixing operation was carried out using a JS750 horizontal mixing mixer, and three granulators were used for the ball making operation. The material from the FU chain conveyor enters the mixing mixer, is thoroughly stirred and mixed, and an appropriate amount of water is added. After mixing evenly, open the pneumatic gate under the mixer, the material is discharged and falls into the hoist.
The mixed materials are fed into the three silos by the FU chain conveyor, and one granulator is arranged under each bin. The granulator is intermittently operated, and a scraper is arranged inside the machine to avoid bonding materials inside the machine. The prepared granules are placed in a buffer silo under the machine, and a belt weighing feeder is arranged under the silo, which is continuously fed by a large dip belt conveyor for the kiln.
4. Calcination
The material from the large angle belt conveyor is uniformly introduced into the rotary kiln by the lock damper and the kiln tailing pipe.
The rotary kiln has a certain inclination. As the kiln rotates continuously, the material advances slowly from the high end to the low end. Natural gas is injected from the kiln head and burned in the kiln. The heat is absorbed by the material, and the material undergoes physical and chemical changes at high temperature, is calcined into a finished product, and then discharged from the rotary kiln.
A smoke chamber is arranged at the kiln end, and the large particle dust carried by the flue gas falls into the ash bucket at the lower part of the smoke chamber, and the return material at the kiln end enters the ingredient warehouse and re-enters the process. An air outlet is arranged on the side of the smoke chamber, and the kiln exhaust gas enters the dust collection system.
A four-channel natural gas burner is used to provide heat to the rotary kiln. It has sufficient combustion, high thermal intensity and good energy saving effect.
5. Wet grinding part
A wet ball mill is installed at the discharge port of the kiln. The high-temperature material enters the ball mill, and at the same time, moisture is added to the slipper. The material is ground into a slurry under the high temperature environment inside the mill, and the leaching reaction occurs, and then discharged from the mill, go to the next process. The steam generated by the evaporation of moisture in the mill is sucked into the kiln by the negative pressure of the kiln head.
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