Ceramic material coating equipment, drying equipment, and dispersing equipment

Release time:

2026-02-27 08:24

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The performance of traditional ceramic materials largely depends on the properties of their raw powder materials. However, powders composed of a single component often fail to meet the comprehensive requirements of modern industry for material strength, toughness, thermal stability, electrical properties, or chemical stability.

Coating and modification technology, through precise processing techniques, uniformly coats one or more layers of materials—ranging in size from nanometers to micrometers—such as oxides, non-oxides, metals, or polymers, onto the surface of a core particle (e.g., a ceramic matrix like alumina, zirconia, or silicon carbide). The fundamental purpose of this approach is to achieve complementary performance: by combining the advantages of two or more materials, it overcomes the inherent limitations of any single material. ； Interface Optimization: Enhancing the compatibility and bonding strength between the core particles and the matrix or other additives in the final product. ； Functionalization: Endowing basic ceramic powders with new functionalities, such as conductivity, catalysis, antibacterial properties, and toughening.

Encapsulation and Modification Machine – Honeycomb Grinder of the The technical process can be summarized into the following key steps:

Precise metering and dispersion: The core powder raw materials and the precursor of the coating agent (in liquid or solid form) are precisely metered and then simultaneously introduced into the equipment in the form of ultrafine mist or micron-sized particles. The high-speed vortex field ensures thorough dispersion of the powder particles, preventing agglomeration and laying the foundation for uniform coating.

In-situ synchronous grinding and coating: This is the essence of the honeycomb grinding process. The high-frequency mechanical forces and chemical energy fields generated within the equipment cause the core particles and coating agent, at the moment of contact, to simultaneously undergo the following effects:

Instantaneous Breakage and Activation of Microparticles: The surface of the core particles is slightly activated, increasing the number of reactive sites.

Homogeneous distribution and adhesion of the coating agent: Under intense shear force and pressure, the coating agent is forcibly and uniformly applied or embedded onto the surface of the core particles.

Interface Reaction and Solidification: Under the influence of specific temperature, pressure, and mechanochemical energy, the coating agent undergoes physical adsorption, chemical bonding, or thin-layer sintering on the surface of the core particles, thereby forming a strong, dense, and uniform coating layer.

Online Drying and Classification: The coated composite powder is rapidly dried within the system and, via a built-in classification device, instantly separates out products that meet the target particle size, ensuring batch consistency and high yield.

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