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Rate-based Simulation of Coke Calcination in Rotary Kilns
inside the kiln; which is accomplished by rotating the kiln at an inclined position as well as by the presence of tumblers. Moreover, it was assumed that the reactions take place effectively in the gas phase. As a result of these assumptions, the calcination Rate-based Simulation of Coke Calcination in Rotary Kilns 7
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Coke Calcining Plants
The green coke is blended and fed into rotary kilns operating up to 2800°F under a reducing condition. The material exits the rotary kiln as calcined coke with a correct crystalline structure and electrical conductivity properties. These coke properties allow this product to be sold to the primary aluminum industry for use in aluminum ...
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Kinetic Analysis of the Coke Calcination Processes in Rotary …
Calcination is accomplished by the gradual heating of the green coke (GC) from ambient temperature to temperatures around 1390°C in a rotary kiln. The kiln is operated as a counter …
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SELECTION OF KEY PARAMETERS FOR GREEN COKE …
Green petcoke should be calcined to provide an optimal structure. Usually coke calcination process is carried out in tubular rotary kilns (see Figure-1).
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A schematic of the calcination process
After removing the moisture by the drying kiln, dried green petroleum coke is then undergone the calcination process in the rotary kiln. Afterwards, it is then cooled to a temperature...
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Lining of the Rotary Kilns for Petroleum Coke Calcination
The paper provides a brief description of the technological process and design of the rotary kilns for petroleum coke KEP-1 and KEP-2 calcination, as well as specifies the lining requirements for some parts of such kilns. The lining bricklaying specifics and main techniques with respect to rotary kilns (including foreign designs) are demonstrated. A feasible lining …
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Calcining petroleum coke of pot furnace and rotary kiln
The difference between pot calciner and rotary kiln which is used for petroleum coke calciner.Carbon Burning Loss is less in Pot Furnace. Skip to content [email protected] +86-; ... Retort calciner and rotary kiln are the two main types for petroleum coke calcination. Rotary kiln is widely used in Europe and the United States, while ...
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(PDF) EProduction and Application of Calcined Coke …
Green petroleum coke is calcined in a rotary kiln under protective atmosphere at temperatures around 1100°C. The process is similar to the calcination of the torrefied carbohydrate, but...
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Rotary Kiln Petroleum Coke Calcination Process: Some Design
Semantic Scholar extracted view of "Rotary Kiln Petroleum Coke Calcination Process: Some Design Considerations" by A. Boateng. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo ... Green coke pyrolysis: investigation of simultaneous changes in gas and solid phases. D. Kocaefe A. Charette L. Castonguay.
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Method of calcining coke in a rotary kiln
Calcining operations of this sort are commonly performed in a rotary kiln into which the green petroleum coke in suitable particulate form is fed at one end, for delivery of treated product...
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CB01
2.1. Rotary kiln technology Uses a rotating horizontal cylinder of steel lined with refractory bricks of high alumina content on the inside. The diameter of rotary kilns is typically between 2.5 to 4.5 meters and their lengths vary from 40 to 80 meters. The kiln shell is supported on 2 to 3 tyres, which ride on two supporting rollers. The kiln
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A SYNERGY MODEL OF MATERIAL AND ENERGY FLOW …
by the drying kiln, dried green petroleum coke is then undergone the calcination process in the rotary kiln. Afterwards, it is then cooled to a temperature below 80 o C by the cooler.
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Modeling and simulation of petroleum coke calcination in rotary kilns
The calcination of green petroleum coke in rotary kilns presents low operational costs due to the fact that the process is energy self-sufficient (i.e. does not require fuel), and …
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Quality and Process Performance of Rotary Kilns and Shaft …
Rotary kilns have been used successfully for many years to produce calcined coke for the aluminium industry and they offer a high level of automation, performance and flexibility. Shaft calciners make a high bulk density, coarse particle size product and several...
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Modeling and 3-D simulation of petroleum coke calcination …
Coke calcination is a process that involves heating green petroleum coke to purify it and eliminate volatile materials for subsequent processing. Due to the complexity of the rotary kiln used in this process, conducting experimental studies can be challenging and restricted. However, quantitative analyses based on developed models can provide a foundation for optimizing and …
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Production and Application of Calcined Coke In Rotary Kilns …
usually calcined in a gas-fired rotary kiln or rotary hearth at high temperatures, around 1200 to 1450 °C, to remove moisture, drive off volatile matters, increase the density of the coke ...
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A study on coke dust generation in a rotary calcination kiln
One of the steps in the production of carbon electrodes is the green coke calcination. This allows the removal of moisture and volatile matter, and also the restructuring of the coke. ... {Kocaefe, Y S and Dahmane, F and Bui, R T and Proulx, A L}, title = {A study on coke dust generation in a rotary calcination kiln}, annote = {One of the steps ...
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Development and Testing of the Advanced CHP System Utilizing …
Green petroleum coke (GPC) is an oil refining byproduct that can be used directly as a solid fuel or as a feedstock for the production of calcined petroleum coke. GPC contains a high amount of volatiles and sulfur. During the calcination process, the GPC is heated to remove the volatiles and sulfur to produce purified calcined coke, which is used in the production of …
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Simulation of the Coke Calcining Processes in Rotary Kilns
In this first of a two-article series, a one-dimensional steady-state mathematical model has been developed to simulate the process of calcination of petroleum coke in a rotary kiln.
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Modeling and simulation of petroleum coke calcination in rotary kilns
The calcination of green petroleum coke in rotary kilns presents low operational costs due to the fact that the process is energy self-suf®cient (i.e. does not require fuel), and that it presents higher processing capacity compared to the conventional processes. Also, since it is a * Corresponding author. Tel./fax: 155-31-3238-1789.
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Intelligent operation parameters optimization of coke calcination
Aimed at the low quality of the product and low recovery rate of coke calcinations in rotary kiln, an intelligent optimization operations system for coke calcinations rotary kiln is presented to stabilize the temperature in calcination zone in this paper. The key operation parameters in rotary kiln are optimized using improved case-based reasoning (CBR). The case searching and matching …
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Simulation of the Coke Calcining Processes in Rotary Kilns
The objective of this study is to simulate the green petroleum coke calcining processes using the simulation program HYSYS and using actual industrial data. Because counter-current mass flow is not allowed in the HYSYS program, the kiln was described by using fictive streams and unit operations. By the simulation, it is possible to predict the operating …
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[PDF] Production and Application of Calcined Coke In Rotary Kilns
Calcined coke is the best material for making carbon anodes for smelting of alumina to aluminum. Petroleum coke is usually calcined in a gas-fired rotary kiln or rotary hearth at high temperatures, around 1200 to 1450 °C, to remove moisture, drive off volatile matters, increase the density of the coke, increase physical strength, and electrical conductivity of the material. Rotary kilns have ...
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Development of an Advanced Combined Heat and Power …
Coke calcination is a process that involves the heating of green ... The resulting green coke produced from heavy crude oil pro-cessing has a higher sulfur content, which requires a significant ... tional process using rotary kilns, is expected to yield significant energy, environmental, and economic benefits, including the ...
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Method of calcining coke in a rotary kiln
Definitions. This invention relates to the calcination of carbonaceous materials, particularly petroleum coke such as intended to provide carbon for making electrodes or the like. Calcining operations of this sort are commonly performed in a rotary kiln into which the green petroleum coke in suitable particulate form is fed at one end, for delivery of treated product at the other end.
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Evaluation and analysis of exergoeconomic performance for the
calcination process of green petroleum coke in vertical shaft kiln Peng LI a, b, c, Baokuan LI a, b *, Zhongqiu LIU a, Wenjie RONG a a School of Metallurgy, Northeastern University, Shenyang ...
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From GPC to CPC: A Century of Calcined Coke Evolution and
Rotary Kiln Calcination: This method, introduced in 1935, employs steel-shelled kilns lined with high-temperature refractory brick. Modern rotary kilns can reach lengths of up to 85 meters and ...
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(PDF) Calcinations of Petroleum coke
Ke ywords — Calcination, green coke, petroleum coke, rotary kiln . I. ... Mathematical Model of Optimum Control for Petroleum Coke Production in a Rotary Tube Kiln. Article. Full-text available ...
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A synergy model of material and energy flow analysis for the
DOI: 10.2298/TSCI210131188L Corpus ID: 235631594; A synergy model of material and energy flow analysis for the calcination process of green petroleum coke in rotary kiln
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A schematic of the calcination process
After removing the moisture by the drying kiln, dried green petroleum coke is then undergone the calcination process in the rotary kiln. Afterwards, it is then cooled to a temperature below 80 o C ...
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