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[Chemical Knowledge]：The production and manufacturing method and process of pre-baked anode.

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Prebaked anode manufacturing method

1. Introduction

Prebaked anode is an important raw material in the production of chemicals, especially in the aluminum electrolysis industry plays a key role. The manufacture of pre-baked anodes involves many steps, including raw material processing, molding, and baking. This paper will introduce the manufacturing method of pre-baked anode in detail, in order to improve its application effect in the field of chemical production.

2. raw material processing

1. Petroleum coke: The main raw material of prebaked anode is petroleum coke, and its quality has an important influence on the performance of prebaked anode. Select low sulfur, low volatile, high true density of petroleum coke as raw materials.
2. Residual pole: Residual pole is a recycled material in the production process of pre-baked anode, which can reduce cost and improve resource utilization.

3. ingredients and kneading

1. Ingredients: according to product quality requirements, according to a certain proportion of petroleum coke, residual pole and other raw materials ingredients.
2. Mixing and kneading: Add the prepared materials into the kneading machine, and mix and knead under a certain temperature and pressure to fully mix the raw materials and form a certain strength.

4. Molding

1. Paste preparation: The kneaded paste is fed into a vibration molding machine to prepare a green body of a specified size.
2. Green body curing: The green body is cured in a curing kiln to improve its strength and density.

5. roasting

1. Loading furnace: the curing of the green body into the roasting furnace, laying a certain interval between each layer of material.
2. Roasting: During the roasting process, the volatiles in the green body are discharged, and a certain pore structure and mechanical strength are formed.
3. Cooling out of the furnace: After the baking is completed, the prebaked anode is taken out of the baking furnace and naturally cooled to room temperature.

6. quality control and testing

1. Quality control: In the production process, strictly control the process parameters of each process to ensure stable product quality.
2. Testing: Quality testing of the produced pre-baked anode, including appearance, size, density, strength and other indicators, to ensure that it meets the relevant standards and requirements.

7. packaging and transportation

1. packaging: packaging the qualified prebaked anode to prevent damage during transportation and use.
2. Transportation: Use professional transportation vehicles or equipment to transport the pre-baked anode to the user. During transportation, ensure that the product is not affected by extrusion, collision, etc.

8. use and maintenance

1. Use: When using pre-baked anodes, they should be strictly in accordance with the operating procedures to ensure their stability and durability in the aluminum electrolysis process.
2. Maintenance: Regularly inspect and maintain the pre-baked anode to ensure its normal operation and increase its service life.

9. Waste Treatment and Environmental Protection

1. Waste Treatment: Proper treatment of waste generated in the production process to avoid environmental pollution.
2. Environmental protection: In the production process, effective environmental protection measures should be taken to reduce the discharge of pollutants such as waste gas and waste water to ensure that the production process meets environmental protection requirements.

10. Conclusion The manufacturing method of

pre-baked anode involves many links, including raw material processing, mixing and kneading, molding, baking and so on. In the production process, the process parameters of each process should be strictly controlled to ensure stable product quality. At the same time, strengthen quality control and testing to improve the performance and life of pre-baked anodes. By taking environmental protection measures and resource recycling, production costs can be reduced, resource utilization can be improved, and better economic and social benefits can be created for enterprises.

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