Petroleum coke calcining is a three step process, including drying, devolatilization and densification. The coke calcining process is a time-temperature function, conducted in an oxygen deficient atmosphere. Important control variables are heating rate, air addition rate and final calcination temperature. To obtain the calcined coke properties required by the carbon and graphite industries, the coke must be subjected to temperatures of 1150-1350 Deg C or higher to achieve density and conductivity.The final quality of the calcined coke is directly related to the specific characteristics and quality of the green coke fed to the calciner. While calcination cannot improve upon certain quality limits inherent in the green coke, potential quality can be lost by improper calcining.
HOW IT WORKS : Coke calcining plants can be located in oil refineries, captive plants in aluminum smelters or merchant plants.
| Length | : | 10 mtr to 60 mtr |
|---|---|---|
| Diameter | : | 1 mtr to 3.6 mtr |
| Method of heating | : | Direct |
| Temperature Range | : | 900 to 1250 °C |
| Capacity | : | 150 Kg/hr to 25 mt/hr |
| Fuel | : | Producer Gas, Natural Gas , LDO, Diesel, Biomass, Coal, Charcoal, Lignite, White Coal, Petcoke etc…. |
ROTARY KILN: The petroleum green coke is fed into a refractory-lined rotary kiln where the volatiles are driven off during the calcining process in an oxygen-deficient atmosphere. Air can be injected through the kiln shell to burn a portion of the volatile matter in the kiln, providing usable heat.
COOLING: Once the calcined coke is discharged from the kiln, it is cooled in a rotary cooler. Water is sprayed on the calcined coke at the feed end to cool it to acceptable temperatures, and the water evaporates in the process.
AFTERBURNER: The kiln exhaust gas is oxygen-deficient and contains volatile matter released in the kiln. It is directed to an afterburner (secondary combustion chamber) where air is injected to burn the volatiles and dust. A waste heat recovery boiler is used to produce steam from the heat contained in the afterburner exhaust gas.
FLEXIBILITY IN OPERATIONS: Metso rotary kilns can handle a wide range of green coke feeds, including needle, sponge, shot, fluid, or tar pitch green cokes. The rotary kiln optimizes coke calcining operating parameters such as residence time, temperature gradient, and heat-up rate, all of which impact product quality. Coke kilns can be fueled with gas, heavy oil, oil, refinery gas, waste oil, and solid fuel, either independently or in combination.
KINC Mineral Technologies Pvt. Ltd. is a premier Calcined Petcoke Plant Manufacturer, offering cutting-edge solutions for petroleum coke calcination. Our Calcined Petcoke Plant is engineered to transform raw petroleum coke into high-quality calcined pet coke, a crucial material in aluminum, steel, and chemical industries. With a focus on precision and efficiency, our advanced kilns ensure uniform heating, superior carbon purity, and minimal emissions, making us a trusted leader in the field.
As a reputed Calcined Pet Coke Plant Manufacturer in Vadodara, we provide state-of-the-art facilities that optimize fuel consumption while enhancing product quality. Our innovative approach allows for the production of high-carbon, low-sulfur calcined pet coke with excellent conductivity, strength, and stability. This makes it an ideal material for carbon electrodes, titanium dioxide production, and various metallurgical applications.
We are recognized as a Calcined Pet Coke Plant Manufacturer in India, delivering solutions that meet international quality and environmental standards. Our expertise extends beyond manufacturing, as we also serve as a Calcined Pet Coke Plant Exporter in India, catering to industries worldwide with reliable, high-performance systems. Whether you need an energy-efficient plant or customized solutions, we are committed to meeting your specific requirements.
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