Modeling and simulation of petroleum coke …
Petroleum coke calcination in rotary kilns will be described by means of a model based on mass and energy conservation. Heat transfer by conduction, convection …
Modeling and simulation of petroleum coke calcination in rotary …
This process is carried out in a calcining rotary kiln. A typical kiln for petroleum coke is about 60 m long with a diameter of 2.5 m. The kiln is tilted by an angle of about 2–5° and rotates at speeds of 2–4 rpm. Air (primary and secondary) for combustion is injected through the burner at the solids discharge end of the kiln.
Calcination solutions Coke calcining systems
Calcining of petroleum coke is done in the rotary kiln. The kiln components consist of shell, tires, carrying stations, seals, refractory and a drive train, which includes girth gear, …
Lining of the Rotary Kilns for Petroleum Coke …
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 …
Rotary Kilns
Petroleum Coke Combustion; 6.9. Scrap Tire Combustion; 6.10. Pulverized Fuel (Coal/Coke) Firing in Kilns; 6.11. Pulverized Fuel Delivery and Firing Systems; ... Rotary Kiln Petroleum Coke Calcination Process: Some Design Considerations. 11.1. Introduction; 11.2. The Rotary Calcining Integrated System; 11.3. Direct-Fired Kiln Characteristics
Rotary Hearth Calcining of Petroleum Cokes
Common calcining methods utilize a rotary kiln, a shaft furnace, or a rotary hearth furnace. Each furnace type uses a different method for heating the coke up to the calcining temperature which typically ranges from 1150° to 1400 °C. This paper will concentrate on the rotary hearth furnace and its use for petroleum coke calcining. Shaft Furnace
CB01
Petroleum coke shaft calcining technology - ... Keywords: Calcined petroleum coke; shaft calcining technology, rotary kiln technology. 1. General GPC is a by-product of the oil refining process ...
Calcination solutions Coke calcining systems
optimized in the rotary kiln calcining system. Also, fines in the calcined product are decreased thus enhancing critical elements of product quality. Energy efficient Due to the rotating action in a rotary kiln, the coke bed is in constant gentle motion exposing coke particles to the process heat. Additionally, the
Investigation of Combustion and Thermal-Flow Inside a Petroleum Coke …
Petroleum coke is processed into calcined coke in a rotary kiln, where the temperature profiles of flue gas and coke bed are highly nonuniform due to different flow and combustion mechanisms.
Simulation of Combustion and Thermal-Flow Inside a Petroleum Coke …
Calcined coke is an important material for making carbon anodes for smelting of alumina to aluminum. Calcining is an energy intensive industry and a significant amount of heat is wasted in the calcining process. Efficiently managing this energy resource is tied to the profit margin and survivability of a calcining plant. To help improve the energy …
Petroleum Coke
Rotary Kiln Petroleum Coke Calcination Process. A. A Boateng, in Rotary Kilns (Second Edition), 2016. Abstract. Petroleum coke is a by-product of the coker process in the oil industry. In its raw form, it is also called "green coke" or green petroleum coke. Calcined petroleum coke is an important industrial commodity that links the oil and ...
Kinetic Analysis of the Coke Calcination Processes in Rotary …
The results were compared with actual industrial rotary kiln data in order to validate the simulation and there was a reasonable agreement for the two different GPCs considered. The methodology of kinetics-based simulation described in this study may be used to predict coke calcining kilns performance regardless of the green coke composition.
The comparison between vertical shaft furnace and rotary kiln …
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 ...
Lining of the Rotary Kilns for Petroleum Coke Calcination
Abstract. 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 ...
Modeling and simulation of petroleum coke calcination in rotary …
Rate-based Simulation of Coke Calcination in Rotary Kilns. It is found that the rate-based simulation can be implemented as a useful tool to predict the operating conditions needed to control the content of undesirable impurities in the calcined petroleum coke, namely, sulfur, volatile matter and moisture contents.
Petroleum Coke Calcining Systems
rotary kilns can handle a wide range of green coke feeds including needle, sponge, shot, fluid or tar pitch green cokes. The rotary kiln is also able to optimize the coke …
Simulation of Combustion and Thermal-Flow Inside a Petroleum Coke …
A computational model is established to simulate the combustion and thermal-flow behavior inside a petcoke rotary calcining kiln. The results show that peak temperature is located at the tertiary air zone and a cold region that exists between the natural gas combustion zone and the tertiary air zone causes the coke bed to lose heat …
Mathematical modeling of the rotary coke calcining kiln
A more elaborate description may be found in Perron et al. (1992a) and also in Bui et al. (1991). A typical kiln is 60 m in length. 2 to 3 m in diameter, and rotates at 2 to 4 rpm. A typical green coke contains 8 to 12 mass% moisture and …
Kinetic Analysis of the Coke Calcination Processes in Rotary Kilns
The results were compared with actual industrial rotary kiln data in order to validate the simulation and there was a reasonable agreement for the two different GPCs considered. The methodology of kinetics-based simulation described in this study may be used to predict coke calcining kilns performance regardless of the green coke composition.
Thermal-flow Inside a Petroleum Coke Rotary Calcining Kiln …
Thermal-flow Inside a Petroleum Coke Rotary Calcining Kiln. Posted Jul 14, 2012, 12:16 a.m. EDT Fluid & Heat, Heat Transfer & Phase Change, Computational Fluid Dynamics (CFD), Chemical Reaction Engineering, Materials, Mesh, Parameters, Variables, & Functions, Studies & Solvers Version 4.0 5 Replies.
Rotary Kiln Petroleum Coke Calcination Process: …
Rotary Kiln Petroleum Coke Calcination Process: Some Design Considerations | Semantic Scholar. DOI: 10.1016/B978-0-12-803780-5.00011-3. Corpus ID: 137972219.
Coke Calcining Plants
Coke Calcining Plants. Coke-calcining plants receive green petroleum coke from oil refineries. 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.
Rotary Kiln For Petroleum Coke Calcination | Customization …
Calcination: The dried green petroleum coke is then heated to high temperatures (typically above 1300°C) in a rotary kiln or a vertical shaft kiln. This process removes volatile compounds and moisture, converting the green coke into calcined petroleum coke, which is predominantly carbon.
Simulation of Combustion and Thermal-Flow Inside a Petroleum Coke …
Calcined coke is an important material for making carbon anodes for smelting alumina to aluminum. Calcining is an energy intensive industry and a significant amount of heat is wasted in the calcining process. Efficiently managing this energy resource is tied to the profit margin and survivability of a calcining plant. To help improve the …
An effective control method of the coke calcining kiln | IEEE
The process of calcining petroleum coke in a rotary kiln for the production of anodes is a very complicated exothermic reaction. Mathematically modeling the rotary kiln used for the calcination of the coke is very difficult, because the main problem is that the relationships between input variables and control variables are complex, nonlinear, containing time …
Energy Saving Petcoke Rotary Kiln Petroleum Coke …
The rotary kiln is also able to optimize the Petroleum coke calcining operating parameters, be it residence time, temperature gradient, and heat up rate, all of which impact product quality. Petroleum coke kilns can be fueled with: gas, heavy oil, oil, refinery gas, waste oil and solid fuel, fired independently or in combination.
Mathematical Model of Optimum Control for Petroleum Coke …
The developed mathematical model of calcination of petroleum coke adequately describes the chemical transformations in terms of mass loss of the charge in the chosen rotary tube kiln. Based on the results, the following algorithm for determining the optimum conditions of coke annealing can be proposed:
Modeling and simulation of petroleum coke calcination in rotary …
Martins et al. (2001) described a steady-state rotary kiln model for the petroleum coke calcination that predicts the temperature profiles for the bed, gas phase and the kiln wall in the axial ...
Investigation of Combustion and Thermal-Flow Inside a Petroleum Coke …
Calcined coke is a competitive material for making carbon anodes for smelting of alumina to aluminum. Calcining is an energy intensive industry and a significant amount of heat is exhausted in the calcining process. Efficiently managing this energy resource is tied to the profit margin and survivability of a calcining plant. To help improve …
Modeling and simulation of petroleum coke …
A typical kiln for petroleum coke is about 60 m long with a diameter of 2.5 m. The kiln is tilted by an angle of about 2–5° and rotates at speeds of 2–4 rpm. Air …
