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The heat that petroleum coke absorbed is used for pyrolysis volatiles. Petroleum coke begin to give out heat at about 300 °C, the exothermic peak of low sulfur coke is very obvious and the temperature is at 750 °C or so, but the DSC curve of the others appears inclined between 500 and 850 °C and the exothermic peak is not obvious.
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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 …
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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 volatiles would be catastrophic if introduced into molten metal. The green coke is preheated in the top of the shaft kiln by rising ...
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Under normal conditions, the content of volatile content of petroleum coke into the chamber calciner cannot be higher than 11%, otherwise coking is easy to occur, but there may be a big difference between the actual components of petroleum coke and the requirements in the process of production, therefore the proportioning on petroleum …
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Simulation of the Coke Calcining Processes in Rotary Kilns. E. Elkanzi. Engineering, Environmental Science. 2007. 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….
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Although rotary calciner capacity in the US and South America do not offer the same CPC density that Chinese shaft calciners can, the tightening Chinese CPC market could act as a boon for world ex. China CPC producers. There is excess calciner capacity in the US primarily due to cutbacks in smelting capacity in H1 2016; furthermore, …
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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 Shaft furnaces are probably the oldest form of furnace used for calcining of petroleum coke. Shaft furnaces that ...
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The calcining process is composed of the petroleum coke charger (black), fluidized bed calciner with electrodes and nitrogen supply (red), and gas cleaning system (yellow-gold). The waste heat utilization system (or advanced CHP) is composed of the combustor/boiler (purple), coke cooler (blue), and generator (blue-violet).
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Marlin Energy Group Products Calcined Coke. Petroleum coke calcining is thermal treatment of green petroleum coke (GPC) above 1200 C. to benefit the material by removing moisture, volatile matter and other …
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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 …
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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 ...
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At present, most of the domestic high-sulfur petroleum coke is calcined in vertical shaft kiln . The actual situation is illustrated as follows: (1) A carbon plant in Tianjin (GPC sulfur content 5–6%) and a carbon plant in Inner Mongolia (GPC sulfur content 4–6%) adopt silicon brick pot furnace to calcine high-sulfur petroleum coke.
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increased vertical shaft coke on the anode quality. It is also important to consider that blending capability limits can be eliminated either by reducing shipment size or by having additional silo capacity installed. 7. References 1. Oscar Mascarenhas et al., Petroleum coke shaft calcining technology - salient features of
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Shaft CPC is used both domestically in China and exported to the Western World. Shaft calciners in India and Indonesia are also exporting CPC. There has been a strong focus on improving emissions control at calciners. Most calciners in China are now mandated to scrub SO 2 and many Western World calciners scrub SO 2 and particulate …
DetailsThe 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 method. The model can be divided into two main parts (1) heterogeneous reacting flow of petroleum coke calcination in the pot was simulated …
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Calcined petroleum coke (CPC) is the product of calcining PC at temperatures greater than 1200 • C to remove the volatile matter and decrease the porosity of PC as much as possible [58]. CPC is ...
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»vibrating screen india china australia ... Mining Production Line Construction. chinese petroleum coke calciner machinery suppliers. Posted at: July 8, 2013 [ 4.7 - 5183 Ratings ] Coke Calciner Suppliers, all Quality Coke Calciner … Coke Calciner, Coke Calciner Suppliers Directory – Find variety Coke Calciner Suppl…
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is combusted, the coke de-sulfurized and the carbon oxidized in the temperature range from 1250 to 1400°C in the fuel combustion and calcined coke zone. All zones are simulated as continuous stirred tank reactors. 2.1 Moisture Release Rate The water in the pores of the coke is heated by the counter flow of the flue gases in the kiln and ...
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Shaft calcining technology is widely used in China for the calcination of green petroleum coke. It has the advantages of lower energy consumption and lower carbon burning loss compared to the ...
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The Scholarship from the China Scholarship Council No. 201606370109 ... Modeling and simulation of petroleum coke calcination in pot calciner using two-fluid model. JOM, 68 ... A real-time mathematical model for the two-dimensional temperature field of petroleum coke calcination in vertical shaft calciner. JOM, 68 (2016), pp. 2149 …
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Raw petroleum coke granules are rapidly heated in these furnaces to temperatures of around 1400°C to produce Calcined Pet Coke (CPC). This flexible and agile technology is a great alternative to horizontal Rotary Kilns and Vertical Shaft Calciners, due to benefits such as low cost, low site area occupation, and higher yield among many others.
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In their work, the thermal characteristics, flow field, and temperature field in a shaft calciner were simulated. Xiao et al. (2016b) developed a 3D mathematical model to consider petroleum coke ...
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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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At present,the petroleum coke is mainly calcined by vertical shaft furnace or rotary kiln to meet the requirement of prebaked anode used for aluminium reduction in China.Vertical shaft furnace for calcination is quite different from rotary kiln for calcination in the principle of calcination process,calcined coke quality,product availability,production …
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It is reported that the global output of petroleum coke has exceeded 150 million tons, and China is one of the major petroleum coke consumers. 10−13 Worldwide, rotary kilns and vertical shaft calciners are the main calcination equipment of petroleum coke, and more than 70% of petroleum coke in China is calcined by a vertical shaft …
DetailsThe 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 volatiles would be catastrophic if introduced into molten metal. The green coke is preheated in the top of the shaft kiln by rising ...
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H. I. Beloev et al.: Modeling the thermal operation of a petroleum coke-calcining unit T n k+1 – lining temperature at a point along coordinate n at time k+1, о С .
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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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The growth of the market for calcined Petroleum Coke is due to its increasing usage in aluminum smelting as well as steel manufacturing. ... This can be obtained from rotary calciners or shaft calciners. This can be done by incorporating both coke types into a blending process. ... Xing Yang City, He Nan Province, China. +86 …
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A shaft calciner has multiple vertical refractory shafts surrounded by flue but the design will of calcined petroleum coke from the company39s new calciner, vertical shaft calciner design petroleum coke calcination of petroleum coke in vertical shaft kiln shaft calciner is widely applied in China for diesel oil .
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C) are key measures for coke calciners [1]. For rotary kiln calcined coke, calcination levels typically range from an RD of 2.04 to 2.07 g/cm3 and L C of 24 to 29 Å. Due to the different technology of a shaft calciner, the residence times are much longer, and it is not uncommon to see shaft cal-cined product with a higher RD (2.07–2.10 g/cm3 ...
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petroleum coke physical sensible heat (i.e. 59.028%) coming from the rotary kiln. To maintain the calcined petrole um coke temperature to be below 80 o C for tran sportation, the cooling technology
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In addition, with latest expansion of Alba being the largest smelters outside China, hence, CPC requirements increased accordingly. ... Calciner is receiving green petroleum coke from different suppliers. It has a storage capacity of 150,000 mt divided into different storage bays based on the green coke quality specifications. ... Alba …
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