In the process of aluminum smelting is both complex as well as precise and requires consistency in the materials and processes used. In aluminum smelting, the alumina or the oxide goes through a heating process that allows for the extraction of aluminum.
This is done through an electrolytic process, so it requires both electricity as well as the use of specialized cathodes, which are made of carbon, graphite, and petroleum coke, as well as a carbon anode.
In addition, the pots, or the areas where the smelting occurs, are lined with a carbon graphite material. These pots are all connected, so it is essential to use materials that are designed to allow for the minimal amount of voltage drop across the system.
Quality Control in Manufacturing
Regardless of the specific use of the carbon graphite material in the aluminum smelting process, quality control the production of the blocks and electrodes, the need for uniform, consistent manufacturing is critical.
In electrodes, the material has to be compacted and prepared under very precise manufacturing specification to ensure the full life of the electrode. Gaps or voids in the electrodes that can occur with low-quality carbon or graphite electrodes will increase costs and decrease productivity for the smelting plant.
Reliable Source of Products and Materials
In addition to the quality of carbon graphite material used in any type of application, the buyer also needs to consider the availability of the material as needed.
Some carbon and graphite suppliers offer worldwide services from multiple distribution points. A small number of the top suppliers provide Just in Time (JIT) delivery that helps to eliminate the need for large storage facilities to protect the electrodes prior to use.
This can be critical in not only arranging for deliveries as needed but also in reducing the cost of shipping for these essential components to the operation.
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