Production and Application of Calcined Coke In Rotary
A diagram of typical kiln calciner is shown in figure2. Calcined coke is produced from delayed process green coke by a process of further heating at temperatures up to 1200
A Real-Time Mathematical Model for the Two …
properties of petroleum coke on the calcination process and proposed an effective program to reduce energy consumption. Compared with studies on a rotary kiln, fewer studies have been conducted on numerical simulations of petroleum coke calcination in a vertical shaft calciner. Zhang et al.9–11 studied the gas combustion in the flue and the ...
Pet Coke Calciner
Tenova's rotary hearth petroleum coke calciners can process both anode grades and needle cokes. The rotary hearth calciner uses the volatiles from the coke to combust and produce heat for the processing of the coke. In many cases, not external heat or fuel is required during operation. Also, due to the gentle rabbling action of the unit, there is a high fixed carbon …
Calcined Kiln Analysis and Proximate Simulation of High …
Calcined Petroleum Coke (CPC) is produced from calcined coke technology by heating coke to a high temperature of 550-1,150 °C using a rotary kiln or vertical shaft kiln. The calcination …
Calcinations of Petroleum coke
B. Calcined petroleum coke . Calcined petroleum coke (CPC) is the product from . calcining. petroleum coke. This coke is the product of the . Coker unit in a crude oil refinery. The calcined ...
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 …
Petroleum coke calcination in rotary kilns: material balance …
The process of calcining coke in a rotary kiln is always associated with both inevitable and controlled coke losses. Inevitable losses occur due to both demoisturization and devolatilization, i.e. such losses are a function of the properties of a coke source. Controlled losses are a function of the following: calcination parameters, the condition of the exhaust gas duct system, and …
EVALUATION AND ANALYSIS OF EXERGOECONOMIC …
OF GREEN PETROLEUM COKE IN VERTICAL SHAFT KILN by Peng LI a,b,c, Baokuan LI a,b*, Zhongqiu LIU a, and Wenjie RONG a a School of Metallurgy, Northeastern University, Shenyang, China b Key Laboratory of Data Analytics and Optimization …
Rotary Kiln Petroleum Coke Calcination Process: Some …
The proposed distribution kinetics model provides a different interpretation of the familiar Avrami equation and different mass dependences of growth and dissociation rate coefficients are proposed to investigate the fundamental features of nucleation and crystal growth.
Carbon International (a Durrans Group company) is …
The petroleum coke produced by a coking unit is generally referred to as green petroleum coke. Green petroleum coke contains relatively minor concentrations of volatiles, which are removed in a calcining unit. ... "The main components of a calcination plant include a green coke delivery and storage area, a vertical shaft kiln/calciner, a ...
Vertical Shaft Kilns & Why They Are Diminishing
The vertical shaft kiln is the earliest invented cement kiln and was widely used in cement plants around the world before the rotary kiln appears. In the 20th century, the vertical kiln in most developed countries is gradually replaced by a type of more advanced and environment-friendly cement kiln, the rotary kiln.
EVALUATION AND ANALYSIS OF EXERGOECONOMIC …
The results show that the vertical shaft furnace is a self-sufficiency equipment without additional fuel required, but the overall exergy destruction accounts for 54.11% of the total exergy input.
The New Generation of Vertical Shaft Calciner Technology
GPC *-- green petroleum coke Rotary kiln calciners are widely used for CPC production in the world, while the vertical shaft calciners are used in most Chinese CPC plants. Vertical calciners are stationary calcining furnaces. The technical and economical comparisons between the rotary calcining and the old vertical shaft calcining technologies are
Quality and Process Performance of Rotary Kilns and …
1.82 g/cc. The same coke calcined in a rotary kiln might yield a mercury density of 1.73-1.77g/cc depending on how it is calcined. The differences in density between shaft calcined coke and rotary kiln coke are relatively small at low VM (9-10%) but increase as the green coke VM increases. Some high VM (>13.5%), fine
petroleum coke Rotary Kiln
Drying: Green petroleum coke is first dried to remove any moisture content. 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 ...
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 ... Two 250,000 MPTY Rotary kiln coke calciners Efficient cylindrical afterburner Heavy duty carrying salon. 4 ... system for Coke Calciner will significantly contribute to achieve ...
SELECTION OF KEY PARAMETERS FOR GREEN COKE …
The article deals with the main problems of a modern industrial technology for producing calcinated petroleum coke from green coke in a tubular rotary kiln. A high quality calcinated coke is obviously necessary both for metallurgy and chemical industry, hence its properties should meet the corresponding high requirements. Petroleum coke is a nice
Rotary Hearth Calcining of Petroleum Cokes | SpringerLink
Most petroleum coke calciners have a waste heat recovery system to produce steam and preheat the process air for the calciner. The typical system consists of a radiation section to reduce the waste gas temperatures from about 1450 °C to about 950 °C followed by a recuperator to preheat the process air, then a water tube boiler section with an ...
A Real-Time Mathematical Model for the Two-Dimensional …
A real-time mathematical model for the two-dimensional temperature field of petroleum coke calcination in vertical shaft calciner was developed based on computational fluid dynamics.
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.
Modeling and simulation of petroleum coke calcination in rotary …
A one-dimensional mathematical model was developed for the simulation of petroleum coke calcination in rotary kilns. The model is comprised of 14 ordinary differential equations derived from mass ...
Petroleum Coke Calcining Systems
Petroleum coke calcining is a three step process, including drying, devolatization and densification. The coke calcining process is a time-temperature function, conducted in an oxygen deficient atmosphere. Important control variables are …
Durrans RMS introduces a calcined petroleum …
The main components of a calcination plant include a green coke delivery and storage area, a vertical shaft kiln/calciner, a calcined coke storage-silo, calcined coke crushing, screening and bagging facility and a storage area for the …
Resistance characteristics and particle movement behavior of …
In this work, advanced burden distribution concepts were introduced into the calcination process of petroleum coke in a vertical shaft calciner. Experimental devices were established to determine the resistance characteristics of a petroleum coke particle packed bed, along with a cold physical model of a 1/8 scale vertical shaft calciner.
Calcining petroleum coke of pot furnace and rotary kiln
The retort calciner has low output and poor adaptability to changes in volatile matter of raw materials, especially petroleum coke with high sulfur content cannot be calcined for a long time, because the silicon brick of the furnace body is easily eroded by sulfur content, and in addition, the retort calciner has low labor productivity and is ...
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.
(PDF) Calcinations of Petroleum coke
The quality of calcined petroleum coke used in primary aluminum production is affected by each of the refining and calcining processes including choice of crude, many of the initial refinery ...
Coke Calcining Systems Brochure
Operators find them easy to operate and maintenance is minimal. 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, pinion, speed reducer and variable speed motor. The... Open the catalog to page 3
CB05
Keywords: Petroleum Coke, CPC, Calciner, Anode, Carbon Footprint 1. Introduction ... GPC is fed to one end of the kiln and discharged from the other end at a temperature of ~ 1250-1350 °C. Moisture in the GPC is driven off first followed by volatile matter (VM) which is typically in the range of 9-12 %. ...
Vertical Shaft Calcination Process Description | PDF | Coke …
Vertical Shaft Calcination Process Description - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The document discusses plans to build a vertical shaft calciner to produce 500,000 metric tons per year of calcined petroleum coke (CPC) in Saudi Arabia. CPC is used primarily in the aluminum industry as the raw material for carbon anodes.