Silicon Nitride Degassing Rotor

The silicon nitride degasing rotor is composed of two parts: the rotor rod and the nozzle. The transmission system drives the rotor to rotate, argon or nitrogen gas is blown into the aluminum melting liquid through the rotor rod and the nozzle to discharge the hydrogen and oxidation slag in the melt, so that the melt can be purified.

Brand:
ATCERA
Item NO.:
AT-DHG-G3001

Materials
Si3N4
Shapes
Tube
Applications
Metallurgy Industry

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Properties of Silicon Nitride Degassing Rotor

1. Silicon nitride degassing rotor has good oxidation resistance and abrasion resistance, and stable degassing effect.

2. The silicon nitride degassing rotor is light in weight and can easily achieve high speed, it can disperse the bubbles to all corners of the inner cavity to improve the degassing efficiency.

3. Silicon nitride degassing rotor has strong resistance to molten metal erosion, good corrosion resistance, and no pollution to liquid metal.

4. The surface of silicon nitride degassing rotor is smooth, non-stick aluminum, and non-slag, which can minimize the disturbance to the melt surface, thereby reducing the liquid level fluctuation.

Applications of Si₃N₄ Degassing Rotor

Silicon nitride rotor is used in aluminum smelting industry.

Its function is to feed nitrogen or argon into the aluminum melting liquid, disperse the gas through high-speed agitation, discharge hydrogen and oxidizing slag.

Size Chart of Silicon Nitride Degassing Rotor

We are committed to delivering optimal silicon nitride degassing rotor tailored to your exact specifications. Our dedicated team ensures meticulous adherence to your instructions, striving to exceed customer expectations. Additionally, we offer the flexibility of customized sizes to accommodate your unique requirements.

Drawing and specification requirements shall be provided if customized design request.

Machining Tolerance:

Length: ±1~2mm

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Drawing of Silicon Nitride Degassing Rotor Rod

Silicon Nitride Degassing Rotor Rod
Item NO.	External Diameter (mm)	Inner Diameter (mm)	Length (mm)
AT-DHG-G3001	50	30	400-1500
AT-DHG-G3002	68.5	38	400-1500
AT-DHG-G3003	75	55	400-1500
AT-DHG-G3004	85	64.5	400-1500
AT-DHG-G3005	105	84	400-1500
AT-DHG-G3006	135	110	400-1500
AT-DHG-G3007	150	136	400-1500
AT-DHG-G3008	200	174	400-1500

Drawing of Silicon Nitride Degassing Rotor Nozzle

Silicon Nitride Degassing Rotor Nozzle
Item NO.	External Diameter (mm)	Inner Diameter (mm)
AT-DHG-G3009	180	35
AT-DHG-G3010	200	40
AT-DHG-G3011	210	40
AT-DHG-G3012	220	40

Technical Data of Silicon Nitride Materials

Si3N4 Type	Gas pressure sintering Si3N4	Hot pressing sintering Si3N4
Density (g/cm³)	3.2	3.3
Flexture strength (MPa)	700	900
Young Modulus (GPa)	300	300
Poisson's ratio	0.25	0.28
Compressive strength (MPa)	2500	3000
Hardness (GPa)	15	16
Fracture toughness (MPa*m^1/2)	5~7	6~8
Maximum working temperature (℃)	1100	1300
Thermal conductivity (W/m*K)	20	25
Thermal expansion coefficient (/℃)	3*10^-6	3.1*10^-6
Thermal shock resistance (ΔT ℃)	550	800

*This chart illustrates the standard characteristics of the silicon nitride materials commonly employed in the manufacturing of our Si₃N₄ products and parts. Please be aware that the attributes of customized silicon nitride products and parts may vary depending on the specific processes involved. Detailed parameter is decided by type and composition of stabilizing agent.

Usage Instructions

1. In order to ensure the long-term stable operation of the silicon nitride rotor, it is necessary to adjust the concentricity of the sub-shaft and the drive shaft during the initial installation.

2. The product should be evenly preheated above 400℃ before use.

3. In order to extend the rotor service life, it is recommended to clean and maintain the surface regularly (12-15 days), and check the fastening flange bolts.

4. When the rotor shaft is found to have visible swing, be sure to stop and readjust the concentricity of the rotor shaft to make it within a reasonable error range.

Valuable Information

Si₃N₄ Degassing Rotor Packing

Silicon nitride degassing rotos are carefully packaged in appropriate containers to avoid any potential damage.

Customization Advantages

1. According to your application scenario, analyze the needs, choose the appropriate material and processing plan.

2. Professional team, quick response, can provide solutions and quotations within 24 hours after confirming the demand.

3. Flexible business cooperation mechanism, support at least one piece of quantity customization.

4. Quickly provide samples and test reports to confirm that the product meets your needs.

5. Provide product use and maintenance suggestions to reduce your cost of use.

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Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

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In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

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