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Nickel Oxide Jet Mill for Ultra-fine Grinding of Lithium Nickel Cobalt Manganese Oxide

Nickel oxide, with the chemical formula NiO, is an inorganic compound that appears as an olive-green crystalline powder. It is stable and does not decompose, making it a common inorganic compound. The physical and chemical properties of nickel oxide classify it as an inorganic material. Specifically, nickel oxide has the following characteristics:

Physical Form: Nickel oxide is a grayish-green powdery solid with a density of 6.67 g/cm³ and a melting point of 1990°C. It is insoluble in water but soluble in acids and ammonia water.

Applications: Nickel oxide is used in the enamel industry as an adhesive and coloring agent for glazes, and in the ceramic industry as a raw material for pigments. Additionally, it serves as a raw material for nickel-zinc ferrites in magnetic material production and as a coloring agent for brown glass and cathode ray tube glass in the glass industry. Nickel oxide can also be used to produce nickel salts and as a raw material for nickel catalysts.

Equipment Selection:

Based on the material characteristics of nickel oxide, a jet mill is recommended for ultra-fine grinding to achieve a D50 particle size of 1-5μm.

ZJ-QLM Series

Working Principle:

The ZJ series jet ultra-fine grinder utilizes multiple oppositely arranged nozzles to generate high-speed airflow, which accelerates the material to supersonic speeds, causing particles to collide at the intersection of the nozzles for ultra-fine grinding. The ground material is carried by the rising airflow into the classifier's grading chamber. Due to the high-speed rotation of the grading rotor, particles experience both centrifugal force generated by the rotor and centripetal force from the airflow's viscosity. When the centrifugal force exceeds the centripetal force, coarse particles larger than the target size return to the grinding chamber for further impact grinding, while fine particles enter the cyclone separator and collector with the airflow. The gas is discharged by the induced draft fan.

The ZJ series jet mill is an upgraded version of traditional fluidized bed jet mills, opposed jet mills, horizontal jet mills, and other types of jet mills. The equipment mainly consists of a grinding host, a high-precision vortex classifier, a cyclone collector, a bag filter, and an air compressor. The full utilization of jet energy is the most notable feature of this machine.

Equipment Features:

1. Eco-friendly: Low-temperature, medium-free grinding ensures high purity and preserves the physical properties of the product. The equipment operates under negative pressure, eliminating dust pollution.

2. High Efficiency: Full utilization of jet energy increases grinding efficiency by 30% compared to traditional jet mills, with higher grading precision.

3. Low Wear: The "fluidized bed + vertical classifier" structure enables high-purity, ultra-narrow processing of ultra-fine powders, avoiding wear in the grading section of "fluidized bed + horizontal classifier" systems. With the same materials, the service life of wear parts is 20 times longer than that of similar international products. Extremely low wear makes it particularly suitable for ultra-fine grinding of high-purity, high-hardness materials.

4. High Yield: When producing products with a narrow particle size distribution, the yield is more than double that of traditional opposed and fluidized bed jet mills.

5. Versatility: Multi-functional, it can be used as both a grinder and a classifier. It offers a wide grinding range, with adjustable product particle sizes from 1 to 74μm.

6. Intelligent: The equipment supports full automation, is easy to operate, runs stably, and provides an excellent production environment.

7. Rational Design: Compact structure with no material retention or dead corners in the grinding host. Easy to disassemble, clean, disinfect, and change grinding materials.

8. Automation: The entire system is automated, allowing one-click start/stop operation. Simple and convenient to use, it can connect with a central control system for remote operation.

Scope of Application:

This series of grinding and classifying machines, with its unique working principle, can process various materials into ultra-fine powders through dry, high-purity, and low-temperature methods. It is widely used in industries such as chemicals, mining, abrasives, battery materials, refractory materials, non-metallic minerals, metallurgy, building materials, pharmaceuticals, food, pesticides, feed, new materials, environmental protection, and for ultra-fine grinding, dispersing, and particle shaping of various dry powder materials.

Typical Materials:

Silicon carbide, garnet, ceramic alumina, boron carbide, diamond, tungsten carbide, ferrophosphorus; calcium carbonate, quartz, diatomite, calcium hydrogen phosphate, bentonite, talc, mica, wollastonite, high-purity pigments, luminescent powder, mobile battery powder; pollen, growth hormones, food additives, antibiotic drugs, contrast agents, ganoderma lucidum, pearl powder; pesticides, polytetrafluoroethylene.