The adaptability of the calciner to handle dusty coke becomes more and more important since the green coke grain size distribution has deteriorated. The vertical shaft calciner …
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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 …
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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 …
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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
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Memiliki pengalaman dalam 10 (sepuluh) tahun terakhir sejak tahun 2005, sebagai kontraktor utama atau anggota konsorsium dalam proyek EPC Calcined Petroleum Coke ('CPC') Plant dengan Teknologi Vertical Shaft Kiln ('VSK') untuk Calciner Plant dengan kapasitas Produk (Anode Grade Calcined Petroleum Coke) sekitar 180.000 MT per …
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— 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 …
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An excellent review of the history of aluminum production is provided in the Hall-Héroult Centennial book,2 which also includes a chapter on anode production. It was fortuitous that petroleum coke had been discovered about 30 years before Hall and Héroult made their independent …
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— The vertical shaft calciner has been widely applied in China for CPC calcination. Its application, however, is restricted by its lower capacity, less automation and no waste heat recuperation. A new generation of energy saving shaft calciner technology with higher capacity and power generation system has been developed recently and …
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requires a coke with no moisture, no volatile matter and low sulfur contents with an appropriate crystalline structure. This is achieved through calcination processes. It is accomplished by gradual heating of the green coke (GC) at ambient temperature to a temperature of around 1390°C in a rotary kiln (calciner). The kiln is operated as a
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Petroleum Coke Industries Company (PCIC) is one of the largest single Kiln Coke Calciner in the world with the capacity to produce 350, 000 MT of Calcined Petroleum Coke. PCIC is located in Kuwait ...
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— 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 ...
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Calcination is a high temperature pyrolysis treatment of GPC that upgrades it to properties better suited for specific industrial end-uses. Calcination implies the heating of GPC in a …
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Sanvira is one of the leading manufacturers of Calcined Petroleum Coke (CPC). ... Sohar, Oman: Sanvira has an aggregate capacity of 730,000 MTPA, with vertical shaft kiln capacity of 480,000 MTPA and Rotary kiln …
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The aim of this work was to establish a mathematical model for the analysis of calcining process of petroleum coke in a 24-pot calciner via computational fluid ... temperature field of petroleum coke calcination in vertical shaft calciner was developed based on computational fluid dynamics. ... or slumping flow in a continuous rotary kiln ...
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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 …
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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. ... "Structural Changes in Petroleum Coke During Calcining," Transactions of the Metallurgical Society of AIME, 1967, 1084–1091. Google Scholar
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— 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.
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— 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 …
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— The aim of this work was to establish a mathematical model for the analysis of calcining process of petroleum coke in a 24-pot calciner via computational fluid dynamics (CFD) numerical simulation ...
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— A real-time computation model for the 2D temperature field based on CFD is proposed for the analysis of the petroleum coke calcination in a vertical shaft calciner. …
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Having experience in 10 (ten) years since 2005, as a main contractor in EPC projects of Calcined Petroleum Coke ('CPC') Plant with Vertical Shaft Kiln ('VSK') technology in a Calciner Plant with Annual Product (Anode Grade Calcined Petroleum Coke) Total Capacity approximately 180.000 MT with approximately 240.000 MT per year Green Coke ...
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— At present, the petroleum coke is mainly calcined by vertical shaft furnace or rotary kiln to meet the requirement of prebaked anode used for Aluminum reduction in …
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— 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.
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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).
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Profile Overview Petroleum Coke Industries Company (PCIC) is one of the largest single Kiln Coke Calciner in world with capacity to produce 350, 000 MT of Calcined Petroleum Coke. PCIC is located in Kuwait, which is one of the fast growing country in middle-east. The plant is constructed inside the Shuaiba port in the total area of 263,000 m2 to …
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— 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 ...
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— 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 ...
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that flow counter to the coke are in separate vertical flues. ... calciner chamber. 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 ... kiln type furnaces as the product coke is only in contact with
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— Calcined petroleum coke is obtained by calcining petroleum coke at high temperatures under the condition of 1250 • C to 1350 • C. Because of its low cost, high carbon content, and easy ...
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— 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. In the modeling process, the petroleum coke discharging process was described by the solid viscous flow, the dynamic heat flux boundary condition was …
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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 …
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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 …
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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 %. ...
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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 ...
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— 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 ...
WhatsApp: +86 18221755073
— 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 ...
WhatsApp: +86 18221755073