Fluidized Bed Coating Machine
The Fluidized Bed Coating Machine is specifically designed for the efficient and precise coating and modification of powder materials. It is widely used in powder processing fields such as chemicals, pharmaceuticals, food additives, new energy materials, and advanced ceramics.
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Working Principles
The fluidized bed coating machine utilizes two-phase flow jet technology to atomize the coating liquid into fine droplets via high-pressure gas. These droplets then collide and interact with fluidized powder particles, achieving uniform and controllable micro-nano functional coating.
Product Advantages
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Ultra-fine Atomization & ModificationUtilizes multi-stage gas atomization technology to achieve 1-50μm micron-level atomization of the modifier. Dynamic chamber control ensures coating thickness tolerance ≤ ±0.5μm, improving uniformity by 50%. Single-particle coating + continuous dense coating enables thickness control down to the submicron level, effectively resolving issues of agglomeration and uneven distribution. -
High-efficiency & Energy-saving DesignDirect contact between modifier and powders reduces waste; intelligent algorithm control minimizes risks of over/under-coating; rapid drying technology shortens production cycle by over 30%. -
Universal Powder AdaptabilityCompatible with inorganic/organic/nano powders (particle size range: nanometer to hundreds of microns) and supports liquid/powder modifiers. Enables versatile surface modifications including controlled-release, hydrophobic, conductive, and catalytic functionalities. -
Intelligent Control SystemEmploys PLC for precise regulation (error rate < 1%); integrates online particle size analyzers and coating thickness detection modules; supports storage and traceability of hundreds of process recipes; complies with FDA/GMP specifications. -
Environmental Protection & Safety AssuranceNegative pressure recovery system (filtration efficiency 99.99%) + fully enclosed conveyance, reducing dust emissions by 5% below GB 16297 standard; built-in explosion-proof motor and electrostatic neutralization device.
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Gentle ProcessingLow mechanical stress design protects particle integrity and crystalline structure; adapts to the processing requirements of heat-sensitive materials.
Applicable Fields
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New Energy IndustryDesigned for processing cathode materials for lithium batteries (e.g., Fe-Si-Al powder), magnetic powder cores, and wind turbine blade powder. Enables insulation layer deposition to reduce core loss of magnetic powder cores at high frequencies (153.74 W/kg @ 100kHz). Compatible with nickel-based alloy powders (D50 ≈ 36μm) for high-frequency lithium batteries.
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Chemical & New Materials IndustryFor processing non-metallic fillers and catalyst carriers. Employs silane coupling agent coating to enhance compatibility; and nano-TiN coating for high-nitrogen steel (grain size: 0.26 μm, ductility increased by 3 times).
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Pharmaceutical & Medical IndustryFor processing drug pellets (sustained-release/controlled-release) and hydroxyapatite powder. Utilizes spray drying to produce food-grade microcapsules (e.g., Vitamins); and employs TiO₂ coating on titanium alloy to enhance osseointegration.
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Metal Powders & 3D PrintingFor processing metal powders (e.g., stainless steel) and ceramic powders (e.g., Al₂O₃). Utilizes vacuum gas atomization to produce highly spherical powders (sphericity ≥95%, D50 ≈ 36μm).
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Food & PharmaceuticalsFluidized bed bottom-spray microencapsulation (coating thickness: 751.5 nm), e.g., enzyme preparations and probiotic microcapsules. Low-temperature spray drying for highly stable microcapsules (e.g., Fish Oil DHA).
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Building Materials IndustryFor processing ultrafine fly ash and activated carbon. Employs TiO₂ coating on fly ash to enhance reactivity; metal oxide coating to improve adsorption capacity (↑30%); and phosphate coating on zinc powder for corrosion resistance (2000 hours salt spray test).
Applicable Materials
Powder Materials
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