Rotary Hearth Calcining of Petroleum Cokes | SpringerLink
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 …
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 ...
Numerical Evaluation of the Petroleum Coke and Biomass …
This study evaluates the effect of using two alternative biomass-type fuels, olive pomace powder and crushed almond shells, on the cement rotary kiln's combustion performance by comparing the two particles' co-combustion behavior to the case of combustion of petroleum coke alone using the Ansys Fluent Computational Fluid …
China Customized Petroleum Coke Rotary Kiln …
Petroleum Coke Rotary Kiln is a high-quality and efficient carbonization technology that turns petroleum coke, a byproduct of crude oil refining, into high-quality carbon. This product is widely used in the cement, metallurgy, chemical, and other industries, as well as in power plants and waste incineration plants.
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
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 …
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 …
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 …
Modeling and simulation of petroleum coke calcination in …
A steady-state one-dimensional model that describes petroleum coke calcination in a rotary kiln was presented. The model provides a detailed description of …
Mathematical modeling of the rotary coke calcining kiln
A three-dimensional steady-state mathematical model of a rotary calcining kiln for the petroleum coke is presented. The model takes into account all the physical phenomena of interest, from gas flow, heat transfer, volatile matter and coke dust evolution and combustion, to the granular bed motion and the thermal effects of the refractories. …
Rotary Hearth Calcining of Petroleum Cokes
Rotary Kiln The rotary kiln is a long horizontal rotating cylinder with refractory lining. Coke is introduced at one end and trans-ported through the kiln to the other end. The kiln is angled downward toward the discharge end to aid in movement of the coke. Fuel and air are injected into the kiln at various
Rotary Hearth Calcining of Petroleum Cokes | SpringerLink
Petroleum coke is commonly produced from the residual material in the cracking and distillation processes in oil refineries. This residual material is further heated and devolatilized in furnaces to produce calcined coke. ... daily cleaning of the flues to remove any tar or coke buildup. The rotary kiln has an even shorter refractory life due ...
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 …
Quality and Process Performance of Rotary Kilns and Shaft …
Sun Yi, Xu Haifei, Wang Yubin, Cui Yinhe and Liu Chaodong, "The Comparison Between Vertical Shaft Furnace and Rotary Kiln for Petroleum Coke Calcination," Light Metals, 2010, 917–921. ... "Coke Calcination Rotary Kiln vs Shaft Calcining," (Paper presented at 2nd International Carbon Conference, Kunming, Sept 17–19, 2006).
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. ... Leandro, S., Franca, A.S.: Modeling and Simula-tion of Petroleum Coke Calcination in Rotary Kilns. Fuel 80, 1611–1622 (2001) Article Google Scholar Perron, J ...
Calcining petroleum coke of pot furnace and …
Due to the limitation of time conditions, the performance of calcined petroleum coke in rotary kiln is difficult to compare with that in retort calciner. Both retort calciner and rotary kiln need to be further …
Modeling and simulation of petroleum coke calcination in rotary …
Schematic diagram of a typical petroleum coke rotary kiln. the kiln cross-section with respect to the axial (x) direction. The differential control volumes are de®ned as dVg Ag dx for the gas phase and dVs As dx for the solid phase. Ag and As correspond to the cross-sectional areas normal to the gas and solid ¯ows, respectively, and dx is the ...
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 …
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 …
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.
Modeling and simulation of petroleum coke calcination in rotary …
Carbon electrodes used in the aluminum industry are made from green petroleum coke, which should be calcined to remove moisture and volatile matter, and to acquire an appropriate crystalline structure. 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.
CB01
with rotary kiln technology. Keywords: Calcined petroleum coke; shaft calcining technology, rotary kiln technology. 1. General GPC is a by-product of the oil refining process. Heavy Crude Oil (bottoms) are put into a "Delayed Coking Unit" – DCU, Coker – in order to extract further lighter fractions (jet fuel, gasoline, kerosene).
Rate-based Simulation of Coke Calcination in Rotary Kilns
Rotary Kiln, Calcining Processes, Rate-based HYSYS Simulation. Abstract: This paper presents the simulation of the green petroleum coke calcining processes using the …
CB01
Calcined Petroleum Coke (CPC) is a vital component in aluminium smelting with a minimum ... Keywords: Calcined petroleum coke; shaft calcining technology, rotary kiln technology. 1. General
An Intelligent Control System for Coke Calcination in Rotary Kiln
Petroleum coke is usually calcined in rotary kiln. It is a very prevalent problem of unstable production conditions and low recovery rates in coke calcination process. The temperature field in calcining zone is a crucial factor that affects the output and quality of calcined petroleum coke (CPC). Based on the analysis of the major factors affecting the …
(PDF) EProduction and Application of Calcined …
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...
Production and Application of Calcined Coke In Rotary …
In a rotary kiln, the coke is tumbled to improve heat transfer and consistency of calcination and this reduces the average particle size. ... Petroleum coke is a by-product from crude oil ...
[PDF] Production and Application of Calcined Coke In Rotary …
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 …
Estimation of the Coke Calcination Yield by Granulometry …
This delay corresponds to the combined residence time of the coke in the kiln and the cooler. Some 2.5 kg of coke (dry basis) were collected per sample. According to the ASTM method for the sieve analysis of petroleum coke, this quantity is sufficient to quantify size fractions with a top size of 19 mm with an uncertainty of 1%. For each test ...
Kinetic Analysis of the Coke Calcination Processes in …
of kinetics-based simulation described in this study may be used to predict coke calcining kilns performance regardless of the green coke composition. Keywords: Rotary Kiln, Calcining Processes, Kinetics, Simulation. 1 Introduction Calcined petroleum coke (CPC) suitable for aluminum industry anodes calls for a high quality standard.
Kilns and other pyrometallurgical equipment
is a world leading supplier of petroleum coke calcining systems. Grate Kiln Pelletizing Plant. Typically consist of the Grate section, the Kiln Section, and the Cooler section ... More than 700 plants with controlled air and/or rotary kiln applications designed. Tire Pyrolysis. The true recycling solution. Equipment.
(PDF) EProduction and Application of Calcined Coke In Rotary …
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
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
11 - Rotary Kiln Petroleum Coke Calcination Process: Some Design Considerations. Pages. 265-290. View chapter. 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 ...
Rate-based Simulation of Coke Calcination in Rotary Kilns
Keywords: Rotary Kiln, Calcining Processes, Rate-based HYSYS Simulation. Abstract: This paper presents the simulation of the green petroleum coke calcining processes using the simulation program ASPEN HYSYS. The results are validated using actual industrial data. The present study provides a detailed description of the rate-based simulation.