High quality graphite rotor

详情

RawMaterial: Impregnated Extruded graphite for the rod, High density molded

  graphite for the head andthree times Prevent oxidation special treatment .

1. Raw material of the graphite rod/shaft
High quality EXTRUDED GRAPHITE GSK 0.8

Bulk density ≥1.*5 g/cm3
Electric resistivity ≥8 μ Ω m
Bending strength ≥*7 Mpa
resist compression ≥*2 Mpa
Ash ≤0.1 %
Particle ≤ 0.8  MM  (**0um)

2. Raw material of the graphite head / impeller

High density and high Flexural Strength die mold graphite material
Bulk density ≥1.*5 g/cm3
Electric resistivity ≥9 μ Ω m
Bending strength ≥*5 Mpa
resist compression ≥*5 Mpa
Ash ≤0.1 %
particle ≤ *3  um

2. Used in depuration to dispose hydrogen of Aluminium melt.

    Application medium: Aluminium melt

3. Programmable properties
- Machined with high quality graphite billet.
- Treated with THREE TIMES special oxidization retardent process to prolong their operating life.

4. . Applications
In the aluminum and zinc casting industries, nitrogen, argon or carbon tetrachloride are injected and sprayed into molten metal through graphite rotors for dehydrogenation.

It can eliminate the bubbles inside the castings and improve their inner quality.  Injects inert gases into the Metallic solution

5. The main reason for the damage of the graphite rotor

1) Oxydation in the high tempreture

2) Liquid aluminum erosion

3) The influence of the drive system

6. Operation skills in using graphite rotor

1) Preheating before using

2) Isolation air

3) Rotor immersion depth

4) Smooth transmission system