
Reasons for the main shaft fracture of asphalt coke and petroleum coke mill

The fracture characteristics and enhancement mechanism of
2023年5月1日 Results show that the crushing strength of coke is improved greatly when the hot pressing is conducted at 420 ℃∼440 ℃ for the 1/3 coking coal Coke's crushing strength is mainly affected by porosity and pores' spatial distribution For the high porosity, the coke has 2016年9月15日 Determination of the fracture origin (s), paths of crack propagation and microstructural weaknesses in such a complex heterogeneous material as metallurgical coke Fractographic approach to metallurgical coke failure analysis2016年4月1日 Metallurgical coke samples across the tuyere level of an operating blast furnace were analysed using a fractographic approach to identify and quantify various coke failure mechanisms(PDF) Fractographic approach to metallurgical 2016年9月15日 Determination of the fracture origin (s), paths of crack propagation and microstructural weaknesses in such a complex heterogeneous material as metallurgical coke Fractographic approach to metallurgical coke failure analysis

ASPHALT COKE IKO
2013年10月2日 Asphalt coke is the carbonaceous, friable dry residue resulting when asphalt is overheated or distilled to dryness Coking is an inherent property of asphalt, as asphalt itself 2024年2月3日 Shaft coke under same impact simulation condition showed more severe degradation on particles as small as +0297 mm The growth of the smallest shaft particles Comparing Handling Degradation of Shaft and Rotary Cokes2021年2月19日 Failure of pump shaft (P1161) of highpressure water pump occurred during coke removal Shaft material (3Cr13) demonstrated yield and tensile strength of 737 and 910 Fatigue Failure Analysis of Pump Shaft of a Hydraulic Coke Focusing on fracture behavior of coke model, the interface between coke matrices and alumina beads fractured at the nonuniform part where alumina beads existed closely Therefore, this Fracture Behavior in Blending Coke Using the Model

Cracking in Asphalt Concretes SpringerLink
2020年2月19日 As the temperature reduces, asphalt concrete starts to tighten and then it contracts and shrinks, and this causes it to fracture in a pattern that is perpendicular or 2015年4月15日 Different ways to minimize the coke deposition in steam cracking units are searched together with detailed understanding of coke formation mechanisms The amount and character of created coke(PDF) Formation of coke deposits and coke 2009年12月1日 Coal fly ashes (CFA) are generated in large amounts worldwide Current combustion technologies allow the burning of fuels with high sulfur content such as petroleum coke, generating nonCFA, such Fly ashes from coal and petroleum coke 2010年1月1日 Calcined coke is the best material for making carbon anodes for smelting of alumina to aluminum Petroleum coke is usually calcined in a gasfired rotary kiln or rotary hearth at high temperatures The comparison between vertical shaft furnace and rotary

Influence of natural additives and those synthesized by the
2011年5月6日 Introducing additives in BDUS 70/100 petroleum bitumen results in a highquality binder for the preparation of floated asphalt with improved performance Effective additives include amide waxes, natural waxes, highmolecular paraffins obtained from COhydrogen mixtures by the FischerTropsch method, and also mixtures of highmolecular paraffins and 2023年10月23日 Petroleum coke is a byproduct from crude oil refineries, but as its value represents only about 2 per cent of the overall production it has a limited interest to the producersProduction and Application of Calcined Coke In Rotary2022年1月15日 1 Introduction Petroleum coke is a product of crude oil obtained from the distillation, separation, and pyrolysis of heavy oil It is mainly composed of carbon, but it also contains small amounts of hydrogen, nitrogen, oxygen, sulfur, and metal elements (Manasrah et al, 2018)Because of its composition, petroleum coke has unique physical and chemical Vacuumassisted and alkali roasting for desulfurization of petroleum coke2014年1月1日 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 (PDF) Calcinations of Petroleum coke ResearchGate

EVALUATION AND ANALYSIS OF EXERGOECONOMIC
2023年10月24日 3 complex calcination process, an advanced mathematical model for the mass, energy and exergy flow has been developed Meanwhile, model of exergy destruction on combustion, heat transfer and2020年8月30日 Abstract The microstructure of solid carbonbased reducing agents is assessed by electron microscopy On the basis of the results, the mean size of pores, cracks, and pore walls in the reducing agents is determined The structure formation of the special cokes is analyzed in relation to the raw materials and production technology employed On that basis, Structural Comparison of Metallurgical Coke and Coke Used 2021年1月1日 The calcination process of green petroleum coke in the vertical shaft furnace has been studied in the past years A schematic of the process is shown in Fig1Evaluation and analysis of exergoeconomic performance for 2019年8月10日 The paper provides a brief description of the technological process and design of the rotary kilns for petroleum coke KEP1 and KEP2 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 Lining of the Rotary Kilns for Petroleum Coke Calcination

Essential and Plastic Works of Ductile Fracture in Asphalt
2023年10月23日 events in the mixture probably occur around stress concentrations and involve highstrain yielding and fracture processes These conditions are best reproduced in fracture tests on notched samples2023年10月27日 The asphalt coke and calcined petroleum coke particles underwent multistage crushing and screening Second, they were mixed according to a speci fi c ratio and sent for the preheating treatment (PDF) Prebaked anode based on petroleum 1992年8月1日 The complexity of the sulfurcarbon bonds in coke, together with the extremely variable nature of the coke itself, have precluded a theoretical study with the emphasis being laid on empirical data (PDF) Desulfurization of Petroleum Coke: A 2019年5月8日 Abstract The production of petroleum coke from heavy oil tar and from asphalt (derived from heavy oil tar by means of propane) at excess pressures of 015, 025, and 035 MPa is considered The influence of the coking pressure on the physicochemical properties (moisture content, ash content, yield of volatiles, etc) of the resulting petroleum coke is studied The Influence of Pressure in the Coking of Heavy Oil Tar and Asphalt

Combustion and gasification properties of petroleum coke
2023年3月1日 Pyrolysis is probably the first and most basic step of petroleum coke heat utilization It involves the removal of volatiles and transformation of the matrix structure and is essential for understanding the subsequent conversion process [13]With the increase of pyrolysis temperature and the decrease of heating rate, the semicoke structure becomes more orderly 2021年1月29日 quality/performance reasons Keywords: Petroleum Coke, Anodes, Shaft Calcining, Sulphur, Desulfurization 1 Introduction Thermal desulfurization (TDS) of petroleum coke is a wellstudied phenomenon and a recent paper discussed the differences between TDS in a rotary kiln and a shaft calciner [1] The heatThermal Desulfurization of Petroleum Coke for Anode 2013年10月2日 Asphalt coke is the carbonaceous, friable dry residue resulting when asphalt is overheated or distilled to dryness Coking is an inherent property of asphalt, as asphalt itself contains approximately 01% coke before heating Coke is more dense than asphalt, and will therefore collect at the bottom of a tanker or tank ASPHALT COKE IKO2024年1月14日 Petroleum coke and petcoke are all designations that belong to a byproduct of the oil refining process It is a carbonrich solid Petroleum coke can be used for various industrial and commercial applications, not to mention as an energy source Given the importance of these uses, petroleum coke is an essential part of the global energy landscapePetroleum Coke: A Comprehensive Guide to Production,

What is Petroleum Coke? EKT Interactive
What are some of the main uses for petroleum coke? Petroleum coke, also known as petcoke, is a solid carbonrich material that has several uses in various industries Here are some of the main uses of petroleum coke: Fuel: Petroleum coke is used as a fuel in various industries, such as power generation, cement production, and industrial boilers2023年11月2日 In recent times, there has been a significant demand for supercapacitors in energy storage applications due to their rapid charging–discharging capabilities, high power density, and excellent stability Nevertheless, the synthesis of electrode materials with a substantial surface area, exceptionally high porosity, and superior electrochemical Porous activated carbon derived from petroleum coke as a 2016年2月25日 A realtime mathematical model for the twodimensional 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 adopted to specify the heat A RealTime Mathematical Model for the TwoDimensionalPetroleum Coke: Petcoke generally has a higher energy content (calorific value) compared to coal on a perunitmass basis Coal: The energy content of coal can vary depending on its type and grade 5 Applications: Petroleum Coke: What is Petroleum Coke or Petcoke? Its Types,

Insight into the oxidative desulfurization of high
2021年2月12日 Highsulfur petroleum coke (HSPC), that is a byproduct from slag oil in the coking process of refining, shows versatility values in practical applications and, however, concentrates the majority of organic sulfur Herein, 2022年6月17日 Lowquality sulfur petroleum coke usually not widely qualified for use and is stockpiled at refineries around the world or used as solid fuel One of the promising uses of lowquality petroleum coke is its physical or chemical activation in order to obtain a highly porous carbon material that can be used as a catalyst carrier, adsorbent, the basis for capacitive Parameters influence establishment of the petroleum coke 2014年1月1日 Calcined coke is the best material for making carbon anodes for smelting of alumina to aluminum Petroleum coke is usually calcined in a gasfired rotary kiln or rotary hearth at high temperatures (PDF) EProduction and Application of Calcined Coke In 2022年10月1日 This critical review of the fatigue life predictions of asphalt mixtures and pavements should help to refine or redefine the right course of action for future research Discover the world's (PDF) A critical review of the fatigue life prediction of asphalt

(PDF) Effect of Reclaimed Asphalt Pavement and Recycled Asphalt
2019年5月17日 Using reclaimed asphalt pavement (RAP) can help the asphalt industry to lessen its environmental and economic impact Although literature shows that rejuvenators are needed for high RAP rates 2015年4月15日 Summary of information about coke formation during steam cracking and of coke inhibition methods is given Relative coke formation rate in cracking reactor and in TLE [25] Content may be subject (PDF) Formation of coke deposits and coke inhibition methods 2018年12月1日 The production of petroleum coke from heavy oil tar and from asphalt (derived from heavy oil tar by means of propane) at excess pressures of 015, 025, and 035 MPa is consideredInfluence of Pressure in the Coking of Heavy Oil Tar and Asphalt 2022年8月5日 Currently, conventional oil is used as the main source for the petrochemical industry However, conventional oil’s capacity is declining, and that source will probably be exhausted in the near future Heavy oil and petroleum residues have become a suitable alternative source to meet global energy demand However, heavy oil and oil residues require Coking IntechOpen

Fly ashes from coal and petroleum coke
2009年12月1日 Coal fly ashes (CFA) are generated in large amounts worldwide Current combustion technologies allow the burning of fuels with high sulfur content such as petroleum coke, generating nonCFA, such 2010年1月1日 Calcined coke is the best material for making carbon anodes for smelting of alumina to aluminum Petroleum coke is usually calcined in a gasfired rotary kiln or rotary hearth at high temperatures The comparison between vertical shaft furnace and rotary 2011年5月6日 Introducing additives in BDUS 70/100 petroleum bitumen results in a highquality binder for the preparation of floated asphalt with improved performance Effective additives include amide waxes, natural waxes, highmolecular paraffins obtained from COhydrogen mixtures by the FischerTropsch method, and also mixtures of highmolecular paraffins and Influence of natural additives and those synthesized by the 2023年10月23日 Petroleum coke is a byproduct from crude oil refineries, but as its value represents only about 2 per cent of the overall production it has a limited interest to the producersProduction and Application of Calcined Coke In Rotary

Vacuumassisted and alkali roasting for desulfurization of petroleum coke
2022年1月15日 1 Introduction Petroleum coke is a product of crude oil obtained from the distillation, separation, and pyrolysis of heavy oil It is mainly composed of carbon, but it also contains small amounts of hydrogen, nitrogen, oxygen, sulfur, and metal elements (Manasrah et al, 2018)Because of its composition, petroleum coke has unique physical and chemical 2014年1月1日 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 (PDF) Calcinations of Petroleum coke ResearchGate2023年10月24日 3 complex calcination process, an advanced mathematical model for the mass, energy and exergy flow has been developed Meanwhile, model of exergy destruction on combustion, heat transfer andEVALUATION AND ANALYSIS OF EXERGOECONOMIC 2020年8月30日 Abstract The microstructure of solid carbonbased reducing agents is assessed by electron microscopy On the basis of the results, the mean size of pores, cracks, and pore walls in the reducing agents is determined The structure formation of the special cokes is analyzed in relation to the raw materials and production technology employed On that basis, Structural Comparison of Metallurgical Coke and Coke Used

Evaluation and analysis of exergoeconomic performance for
2021年1月1日 The calcination process of green petroleum coke in the vertical shaft furnace has been studied in the past years A schematic of the process is shown in Fig12019年8月10日 The paper provides a brief description of the technological process and design of the rotary kilns for petroleum coke KEP1 and KEP2 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 Lining of the Rotary Kilns for Petroleum Coke Calcination