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[Chemical Knowledge]：The production and manufacturing method and process of calcined coke.

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The manufacturing method
of calcined coke
1. Introduction

calcined coke is an important chemical production raw material, widely used in metallurgy, chemical industry, building materials and other industries. The manufacturing process of calcined coke involves many links, including raw material selection, calcination, cooling, screening and so on. This article will introduce the manufacturing method of calcined coke in detail, in order to provide useful reference for relevant personnel.

2. raw material selection

manufacturing calcined coke first link is to choose the right raw materials. Generally speaking, the raw materials of calcined coke are mainly petroleum coke, pitch coke and so on. These raw materials should have lower sulfur, ash and volatile components to ensure the quality and performance of the calcined coke. In addition, according to the production needs and product use, select the appropriate particle size and strength and other parameters of raw materials.

calcination

3. calcination process is a key link in the manufacture of calcined coke, the purpose of which is to make the volatile matter in the raw material escape through high temperature treatment, and improve the structural strength and stability of coke. The calcination process is usually carried out by rotary kiln, vertical kiln and other equipment.

1. Rotary kiln calcination method: Rotary kiln calcination method is a common calcination method, its equipment structure is simple, easy to operate and maintain. In the rotary kiln, the raw material rolls in the kiln with the rotation of the kiln body, and is fully contacted with the high temperature gas to achieve uniform heating and volatile escape. The rotary kiln calcination method has the advantages of continuous production, large output and stable product quality.

2. Vertical kiln calcination method: Vertical kiln calcination method is a more traditional calcination method, its equipment structure is relatively simple, the operation difficulty is low. In a vertical kiln, raw materials are added from the top of the kiln, and as the kiln body descends, it comes into contact with high-temperature gas to complete the calcination process. The vertical kiln calcination method is suitable for small-scale production and has good flexibility and adaptability.

4. cooling process

the coke after calcination needs to be cooled to reduce its temperature and avoid the occurrence of thermal cracking and other phenomena. The cooling process is usually carried out by water spray cooling, air cooling, etc. In water spray cooling, water is sprayed to the surface of the coke through a nozzle to quickly take away heat and achieve rapid cooling. Air cooling is to blow cold air to the coke through a fan to achieve natural cooling.

5. screening process

the cooled coke needs to be screened to classify according to particle size requirements. The screening process is usually completed by vibrating screen, drum screen and other equipment. Through sieving, different particle sizes of calcined coke products can be obtained to meet different production needs.

6. quality control

In the manufacturing process of calcined coke, it is necessary to strictly control the quality of each link to ensure that the quality and performance of the final product meet the requirements. Specifically, it is necessary to control the quality index of raw materials, calcination temperature and time, cooling speed and method and other factors to ensure the quality and stability of calcined coke.

7. environmental protection and safety

the manufacturing process of calcined coke involves high temperature, dust and other risk factors, so it is necessary to strengthen environmental protection and safety management. In the production process, effective dust removal and noise reduction measures should be taken to reduce the impact on the environment. At the same time, strengthen equipment maintenance and operation specifications to ensure production safety.

8. conclusion The manufacturing method of

calcined coke involves many links and factors, and the quality and safety of each link need to be strictly controlled. By selecting suitable raw materials, optimizing calcination and cooling processes, strengthening screening and quality control, high-quality and stable calcined coke products can be produced, which can provide reliable raw material guarantee for metallurgy, chemical industry, building materials and other industries.

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