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Spray coating processing SPRAY PROCESSING
Plasma Thermal Spraying Hydrogen-Generating Reni-Nickel Plasma Equipment Nickel Mesh Spraying Production Line
Plasma thermal spraying for hydrogen production, Renie nickel catalyst examples, equipment, nickel mesh spraying production line.
Nickel mesh spraying plasma production line for nickel-aluminum alloy powder
Nickel mesh spraying plasma production line for nickel-aluminum alloy powder
Arc-sprayed porous coatings with wear and corrosion resistance are applied to applications such as透气 (air permeability), filtration, and thermal insulation.
Guangzhou Sanxin Company has newly developed a porous plasma-sprayed coating that offers excellent wear resistance and corrosion protection. This coating boasts a porosity that allows for air and water permeability at an efficiency rate of over 30%, making it suitable for a wide range of applications including breathability, filtration, and thermal insulation. Arc spraying is a technique that uses an electric arc ignited between two continuously fed metal wires to melt the metal. A high-speed gas flow atomizes the molten metal, and the atomized metal particles are accelerated and sprayed onto the substrate to form a coating. Arc spraying is one of the most widely used thermal spray methods in practical engineering applications such as corrosion protection for steel structures, wear resistance, and repair of mechanical components. An arc-spraying system typically consists of a power supply specifically designed for spraying, a control unit, an arc spray gun, a wire feeder, and a compressed air supply system.
Plasma-nickel mesh coating with zirconia for wear and corrosion resistance
Plasma-Nickel Mesh Coating with Zirconia Electrolysis of water for hydrogen production is currently an important industrial method for hydrogen generation. To enhance the adsorption surface area of nickel meshes, Guangzhou Sanxin Technology Development first coats the surface of the nickel mesh with a nickel-aluminum alloy. Subsequently, this nickel-aluminum alloy is reacted with a concentrated sodium hydroxide solution; most of the aluminum dissolves, leaving behind numerous micropores. As a result, the surface of the nickel mesh develops a three-dimensional porous structure, significantly increasing its adsorption surface area and thereby boosting catalytic activity and improving hydrogen-production efficiency. Guangzhou Sanxin provides nickel mesh coating equipment, plasma spraying equipment, and automated production lines, along with comprehensive technical support.
In the hydrogen energy industry: staged impellers, polar cover plates, staged bearing housings, and blade coatings with alumina-based wear-resistant layers.
In the hydrogen energy industry: staged impellers, polar cover plates, staged bearing housings, and blade coatings with alumina-based wear-resistant layers.
Rotor, pole-changing wheel, and spiral supersonic plasma-sprayed tungsten carbide coating for new-energy lithium battery powder preparation equipment.
To isolate metallic foreign objects, lithium battery material manufacturers apply protective coatings to components of production equipment that come into contact with the materials. The three key properties—wear resistance, high-temperature resistance, and non-metallic nature—make tungsten carbide spraying an ideal choice; consequently, most lithium battery material production processes incorporate extensive tungsten carbide spraying for protection.
Roller-sprayed tungsten carbide coating—supersonic spraying for wear and corrosion resistance
Characteristics of Tungsten Carbide Thermal Spray Coatings: 1. The flame jet velocity is extremely high—typically 53 times the speed of sound. 2. The coating is highly dense with strong bonding strength; its porosity can be less than 1%, and the bonding strength can exceed 70 MPa. 3. The coating material exhibits low oxidation, minimal carbon loss, and high hardness.
Electrical insulation bearings with specially coated inner and outer rings, offering excellent corrosion resistance and long service life—motor insulation bearings.
A key feature of insulated bearings is the presence of an extremely thin (on the order of micrometers) coating on their surface, which provides electrical insulation and can withstand electrical arcing caused by voltages exceeding 500V. A thicker coating can even resist high-voltage discharges up to 1,000V, thereby effectively preventing defects such as arcing induced by induced currents on the spindle and bearing, which could lead to corrosion on the bearing surface, the formation of shrinkage cavities on metal surfaces, and the creation of grooves on the bearing’s rolling elements. Here, a special note: At high frequencies, the induced shaft current can become substantial. If insulated bearings are not used, the circulating currents that flow through the bearing can easily cause overheating or severe electrochemical corrosion, ultimately leading to bearing damage.
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