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Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

《能源前沿（英文）》 2010年 第4卷 第3期   页码 436-442 doi: 10.1007/s11708-009-0059-0

摘要： The effect of primary air fraction , outer secondary air swirl strength and excess oxygen coefficient on the combustion characteristics of petroleum coke, Hejin lean coal and Shenmu soft coal are researched on a one-dimensional furnace using a dual channel swirl burner. The results show that with the increase in primary air fraction , the NO emission concentrations of both Hejin lean coal and petroleum coke increase, and the combustion worsens in the earlier stage, but the burn-out rate of Shenmu soft coal is improved. The NO emission concentration obtains a minimum value with an increase in . The ignition and burn-out rate of petroleum coke and Shenmu soft coal are optimal when Ω is minimum and Ω=0.87, respectively. However, both the NO emission concentration of petroleum coke and Shenmu soft coal are minimum when Ω=1.08. The increase in excess oxygen coefficient delays the ignition of petroleum coke, worsens the combustion condition and increases the NO emission concentration, but it greatly decreases the NO emission concentration of Shenmu soft coal.

关键词： petroleum coke     Shenmu soft coal     Hejin lean coal     combustion characteristics     experimental research    

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Hydrotreating of light gas oil using a NiMo catalyst supported on activated carbon produced from fluid petroleumcoke

N. Rambabu,Sandeep Badoga,Kapil K. Soni,A.K. Dalai,J. Adjaye

《化学科学与工程前沿（英文）》 2014年 第8卷 第2期   页码 161-170 doi: 10.1007/s11705-014-1430-1

摘要： Nitric acid functionalized steam activated carbon (NAFSAC) was prepared from waste fluid petroleum coke (FPC) and used as a support material for the synthesis of a NiMo catalyst (2.5 wt-% Ni and 13 wt-% Mo). The catalyst was then used for the hydrotreatment of light gas oil. The support and catalysts were characterized by Brunauer-Emmett-Teller (BET) gas adsorption method, X-ray diffraction, H -temperature programmed reduction, NH -temperature programmed desorption, CO-chemisorption, mass spetrography, scanning electron microscopy (SEM), Boehm titration, and Fourier transform infrared spectroscopy (FTIR). The SEM results showed that the carbon material retained a needle like structure after functionalization with HNO . The Boehm titration, FTIR, and BET results confirmed that the HNO functionalized material had moderate acidity, surface functional groups, and mesoporosity respectively. The produced NAFSAC had an inert nature, exhibited the sink effect and few metal support interactions, and contained functional groups. All of which make it a suitable support material for the preparation of a NiMo hydrotreating catalyst. Hydrotreating activity studies of the NiMo/NAFSAC catalyst were carried out under industrial operating conditions in a laboratory trickle bed reactor using coker light gas oil as the feedstock. A parallel study was performed on the hydrotreating activity of NiMo/ -Al O as a reference catalyst. The hydrodesulfurization and hydrodenitrogenation activities of the NiMo/NAFSAC catalyst were 62% and 30%, respectively.

关键词： activated carbon     fluid petroleum coke     NiMo catalyst     hydrotreating     light gas oil    

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Refrigeration cycle for cryogenic separation of hydrogen from coke oven gas

CHANG Kun, LI Qiang

《能源前沿（英文）》 2008年 第2卷 第4期   页码 484-488 doi: 10.1007/s11708-008-0096-0

摘要： Ten billion cubic meters of hydrogen are dissipated to the environment along with the emission of coke-oven gas every year in China. A novel cryogenic separation of hydrogen from coke oven gas is proposed to separate the hydrogen and liquefy it simultaneously, and the cooling capacity is supplied by two refrigeration cycles. The performance of the ideal vapor refrigeration cycle is analyzed with methane and nitrogen as refrigerant respectively. The results show that the coefficient of performance (COP) of methane refrigeration cycle is 2.7 times that of nitrogen refrigeration cycle, and the figure of merit (FOM) of methane refrigeration cycle is 1.6 times that of nitrogen refrigeration cycle. The performance of ideal gas refrigeration cycle is also analyzed with neon, hydrogen and helium as refrigerant respectively. The results show that both the coefficient of performance and figure of merit of neon refrigeration cycle is the highest. It is thermodynamically possible to arrange the refrigeration cycle with methane and neon as refrigerant, respectively.
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Optimal slot dimension for skirt support structure of coke drums

Edward WANG, Zihui XIA

《机械工程前沿（英文）》 2018年 第13卷 第4期   页码 554-562 doi: 10.1007/s11465-018-0513-y

摘要：

The skirt-to-shell junction weld on coke drums is susceptible to fatigue failure due to severe thermal cyclic stresses. One method to decrease junction stress is to add slots near the top of the skirt, thereby reducing the local stiffness close to the weld. The most common skirt slot design is thin relative to its circumferential spacing. A new slot design, which is significantly wider, is proposed. In this study, thermal-mechanical elastoplastic 3-D finite element models of coke drums are created to analyze the effect of different skirt designs on the stress/strain field near the shell-to-skirt junction weld, as well as any other critical stress locations in the overall skirt design. The results confirm that the inclusion of the conventional slot design effectively reduces stress in the junction weld. However, it has also been found that the critical stress location migrates from the shell-to-skirt junction weld to the slot ends. A method is used to estimate the fatigue life near the critical areas of each skirt slot design. It is found that wider skirt slots provide a significant improvement on fatigue life in the weld and slot area.

关键词： coke drum     stress analysis     cyclic stress     fatigue life     skirt slots    

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Optimization of process parameters for preparation of powdered activated coke to achieve maximum SO

Binxuan ZHOU, Tao WANG, Tianming XU, Cheng LI, Yuan ZHAO, Jiapeng FU, Zhen ZHANG, Zhanlong SONG, Chunyuan MA

《能源前沿（英文）》 2021年 第15卷 第1期   页码 159-169 doi: 10.1007/s11708-020-0719-7

摘要： Powdered activated coke (PAC) is a good adsorbent of SO , but its adsorption capacity is affected by many factors in the preparation process. To prepare the PAC with a high SO adsorption capacity using JJ-coal under flue gas atmosphere, six parameters (oxygen-coal equivalent ratio, reaction temperature, reaction time, O concentration, CO concentration, and H O concentration) were screened and optimized using the response surface methodology (RSM). The results of factor screening experiment show that reaction temperature, O concentration, and H O (g) concentration are the significant factors. Then, a quadratic polynomial regression model between the significant factors and SO adsorption capacity was established using the central composite design (CCD). The model optimization results indicate that when reaction temperature is 904.74°C, O concentration is 4.67%, H O concentration is 27.98%, the PAC (PAC-OP) prepared had a higher SO adsorption capacity of 68.15 mg/g while its SO adsorption capacity from a validation experiment is 68.82 mg/g, and the error with the optimal value is 0.98%. Compared to two typical commercial activated cokes (ACs), PAC-OP has relatively more developed pore structures, and its and are 349 m /g and 0.1475 cm /g, significantly higher than the 186 m /g and 0.1041 cm /g of AC1, and the 132 m /g and 0.0768 cm /g of AC2. Besides, it also has abundant oxygen-containing functional groups, its surface O content being 12.09%, higher than the 10.42% of AC1 and 10.49% of AC2. Inevitably, the SO adsorption capacity of PAC-OP is also significantly higher than that of both AC1 and AC2, which is 68.82 mg/g versus 32.53 mg/g and 24.79 mg/g, respectively.

关键词： powdered activated coke (PAC)     SO2 adsorption capacity     parameters optimization     response surface methodology    

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Formation of coke in thermal cracking of jet fuel under supercritical conditions

ZHU Yuhong, YU Caixiang, LI Zimu, MI Zhentao, ZHANG Xiangwen

《化学科学与工程前沿（英文）》 2008年 第2卷 第1期   页码 17-21 doi: 10.1007/s11705-008-0024-1

摘要： Continuous-flow reactor experiments were carried out to study coke formation from thermal cracking of home-made jet fuel RP-3 under supercritical conditions. The mechanism and precursor of coke forming were analyzed. The starting cracking temperature of RP-3 fuel was determined to be 471.8°C by differential scanning calorimetry (DSC). Temperature-programmed oxidation and scanning electron microscopy (SEM) characterizations of the stressed tubes showed that there are three different coke species including chemisorbed carbon, amorphous carbon and filamentous coke in the solid deposits. More than 90% of coke deposits are carried away by the supercritical fluid, which has strong capabilities of extraction for coke deposits and their precursors. There were 17.1 wt-% of iron and 11.1 wt-% of chromium found on the coke surface detected by energy dispersive spectroscopy (EDS) which suggests carburetion on alloy. RP-3 fuel and its cracking liquids were analyzed by GC-MS,which showed that the content of alkyl benzene and alkyl naphthalene increased evidently in cracking liquids.

关键词： dispersive spectroscopy     different     extraction     calorimetry     filamentous    

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Persistent Integration and Innovation Management Mode and Its Applications in Petroleum Production Engineering

He Liu

《工程管理前沿（英文）》 2015年 第2卷 第4期   页码 339-343 doi: 10.15302/J-FEM-2015055

摘要： This paper proposes a new management mode named the persistent integration and innovation management mode to satisfy the requirements by the fast development at oilfields. Taking engineering philosophy as the guidance and technical innovations in petroleum production engineering as the breaking point, the management mode combines long term production practice at oilfields with modern management methods. The management mode integrates intellectuals, techniques, capital, and information and so on to accomplish global optimization of resource configuration. Sets of new techniques, new methods, new technologies and new equipment in petroleum production engineering have been proposed under the guidance of the management mode, achieving great social and economic benefits.

关键词： integration and innovation     engineering philosophy     petroleum production engineering     Daqing Oilfield    

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Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal

Guoqiang ZHANG, Lin GAO, Hongguang JIN, Rumou LIN, Sheng LI

《化学科学与工程前沿（英文）》 2010年 第4卷 第4期   页码 491-497 doi: 10.1007/s11705-010-0511-z

摘要： The sensitivity analysis of a polygeneration energy system fueled with duo fuel of coke oven gas and coal gas is performed in the study, and the focus is put on the relations among syngas composition, conversation rate and performance. The impacts of the system configuration together with the fuel composition on the performance are investigated and discussed from the point of cascading utilization of fuel chemical energy. First, the main parameters affecting the performance are derived along with the analysis of the system configuration and the syngas composition. After the performance is being simulated by means of the Aspen Plus process simulator of version 11.1, the variation of the performance due to the composition of syngas and the conversion rate of chemical subsystem is obtained and discussed. It is obtained from the result that the proper conversion rate of the chemical subsystem according to the specific syngas composition results in better performance. And the syngas composition affects the optimal conversion rate of the chemical subsystem, the optimal point of which is around the stoichiometric composition for methanol production (CO/H = 0.5). In all, the polygeneration system fueled with coke oven gas and coal gas, which can realize the reasonable conversion of syngas to power and chemical product according to the syngas composition, is a promising method for coal energy conversion and utilization.

关键词： duo fuel of coke oven gas and coal gas     polygeneration of power and methanol     sensitivity analysis     the relation among energy utilization     syngas composition and chemical conversion rate    

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Effect of oil shale semi-coke on deposit mineralogy and morphology in the flue path of a CFB burning

Zhuo LIU, Jianbo LI, Mingming ZHU, Xiaofeng LU, Zhezi ZHANG, Dongke ZHANG

《能源前沿（英文）》 2021年 第15卷 第1期   页码 26-37 doi: 10.1007/s11708-020-0668-1

摘要： The effect of oil shale semi-coke (SC) on the mineralogy and morphology of the ash deposited on probes situated in the flue path of a circulating fluidized bed (CFB) which burns Zhundong lignite (ZD) was investigated. 10 wt% or 20 wt% SC was added to ZD, which were then combusted in the CFB furnace at 950°C. Two probes with vertical and horizontal orientations were installed in the flue duct to simulate ash deposition. Both windward and leeward ash deposits on probes (P W, P L, P W and P L) were analyzed by using a scanning electron microscopy with energy dispersive X-ray (SEM-EDX), X-ray diffraction (XRD), an inductively coupled plasma optical emission spectrometry ICP-OES, and a particle size analyzer. When ZD was burned alone, the P W deposit was comprised of agglomerates (<30 m) enriched in CaSO and Na SiO , incurring significant sintering. The P L and P W deposits, however, were of both discrete and agglomerated particles in similar mineral phases but with coarser sizes. The P L deposit was mainly fine ash particles where Na SiO and Na SO were absent. As SC was added, the agglomerates in both P W and P L decreased. Moreover, SiO and Ca/Na aluminosilicates dominated the mineral phases whereas Na SiO and Na SO disappeared, showing a decrease in deposit stickiness. Likewise, the P W deposit was found less spread on the probe, decreasing its deposition propensity. Na-bearing minerals turned into (Na, K)(Si Al)O and (Ca, Na)(Si, Al) O in the P W deposit. Moreover, Na in the deposits decreased from 32 mg/g to less than 15 mg/g as SC presented. The addition of SC would therefore help alleviate the propensity of ash deposition in the flue path in the CFB combustion of ZD.

关键词： ash deposition     circulating fluidized bed (CFB)     mineral transformation     oil shale semi-coke (SC)     Zhundong lignite (ZD)    

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Smart oilfield development and transition of petroleum-based cities

He LIU, Xinhua MA

《工程管理前沿（英文）》 2019年 第6卷 第2期   页码 299-301 doi: 10.1007/s42524-019-0024-5

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Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

《化学科学与工程前沿（英文）》 2008年 第2卷 第2期   页码 186-190 doi: 10.1007/s11705-008-0035-y

摘要： SO/ZrO solid super-acid catalysts (SZ) doped with Ni or Sn (Ni/SZ, Sn/SZ) were prepared for catalytic visbreaking of heavy petroleum oil from Shengli oil field. The visbreaking reactions were carried out at 240°C and 3–4 MPa for 24 h using a heavy petroleum oil to catalyst mass ratio of 100 : 0.05. The effect of water content on viscosity of heavy petroleum oil was also investigated. Both catalysts can promote thermolysis of heavy petroleum oil and the viscosity was reduced from 0.319 Pa·s to 0.135 Pa·s for Ni/SZ and 0.163 Pa·s for (Sn/SZ) with visbreaking rates of 57.7% and 48.9%, respectively. After visbreaking, the saturated hydrocarbon content increased while aromatics, resin, asphaltene, sulfur and nitrogen content decreased. The presence of water was disadvantageous to visbreaking of heavy petroleum oil.

关键词： thermolysis     Shengli     asphaltene     SO/ZrO     presence    

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李四光与中国石油大发现

赵文津

《中国工程科学》 2005年 第7卷 第2期   页码 26-34

摘要：

论述了中国石油勘探、开发和石油工业发展的客观历程，以翔实的史料指出，李四光对中国石油的大发现做出了不可替代的重要贡献。

关键词： 李四光     中国石油资源     中国石油的大发现与开发    

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Practice and understanding of developing new technologies and equipment for green and low-carbon production of oilfields

He LIU, Jianwen YAN, Siwei MENG, Qinghai YANG, Zixiu YAO, Shijia ZHU

《工程管理前沿（英文）》 2019年 第6卷 第4期   页码 517-523 doi: 10.1007/s42524-019-0061-0

摘要： The core of China’s low-carbon development includes optimization of industrial structure, clean energy technologies, emission reduction technologies, and innovation of relevant systems and institutions. China National Petroleum Corporation (CNPC) has always been a proactive participant in developing low-carbon economy, shouldering the responsibilities of safeguarding oil and gas supply, conserving energy, and reducing emission. Therefore, CNPC fulfills those responsibilities as a substantial part of its overall strategy. Guided by low carbon and driven by innovation, petroleum corporations have taken constant innovation of low-carbon technologies, especially the development of green and low-carbon petroleum engineering technologies and equipment, as major measures for energy conservation and emission reduction. Large-scale development mode of unconventional resource anhydrous fracturing should be innovated. And supercritical CO should be used to replace water for fracturing operation, in order to achieve multiple objectives of CO burying, conserve water resource, improve single well production and ultimate recovery, realizing reduced emission and efficient utilization of CO resources. Artificial lifting energy-saving and efficiency-increasing technologies and injection-production technology in the same well should also be innovated. Energy consumption of high water-cut wells is reduced to support the new low-carbon operation mode of high water-cut oilfields and realize energy saving and efficiency improvement during oil production by developing the operation efficiency of the lifting system and reducing the ineffective lifting of formation water. These technologies have been widely recognized by local and international experts and have greatly enhanced CNPC’s international influence. This study expounds the key technologies and equipment with regard to the development of green and low-carbon petroleum engineering and provide relevant suggestions.

关键词： low carbon     energy conservation and emission reduction     petroleum engineering technology     petroleum equipment    

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Development and challenges of planning and scheduling for petroleum and petrochemical production

Fupei LI, Minglei YANG, Wenli DU, Xin DAI

《工程管理前沿（英文）》 2020年 第7卷 第3期   页码 373-383 doi: 10.1007/s42524-020-0123-3

摘要： Production planning and scheduling are becoming the core of production management, which support the decision of a petrochemical company. The optimization of production planning and scheduling is attempted by every refinery because it gains additional profit and stabilizes the daily production. The optimization problem considered in industry and academic research is of different levels of realism and complexity, thus increasing the gap. Operation research with mathematical programming is a conventional approach used to address the planning and scheduling problem. Additionally, modeling the processes, objectives, and constraints and developing the optimization algorithms are significant for industry and research. This paper introduces the perspective of production planning and scheduling from the development viewpoint.

关键词： planning and scheduling     optimization     modeling    

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液化石油气泄漏的危险性分析及其事故后果评价方法

陈思凝,孙金华,王青松

《中国工程科学》 2005年 第7卷 第9期   页码 61-64

摘要：

液化石油气（LPG）在其运输和存储过程中存在着各种与火灾和爆炸相关的危险性。由于LPG的泄漏可能导致包括闪火，不可控蒸气云爆炸，沸腾液体膨胀蒸汽爆炸等一系列灾害的发生，针对上述的各种灾害的具体发生条件及其危险性进行了分析；在事故后果评价中采用量化风险分析，提出了沸腾液体膨胀蒸汽爆炸和不可控蒸气云爆炸对周围人员可能造成伤害的评价方法。

关键词： 液化石油气泄漏     火灾     危险性分析     后果评价    

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标题 作者 时间 类型 操作

Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

期刊论文

Hydrotreating of light gas oil using a NiMo catalyst supported on activated carbon produced from fluid petroleumcoke

N. Rambabu,Sandeep Badoga,Kapil K. Soni,A.K. Dalai,J. Adjaye

期刊论文

Refrigeration cycle for cryogenic separation of hydrogen from coke oven gas

CHANG Kun, LI Qiang

期刊论文

Optimal slot dimension for skirt support structure of coke drums

Edward WANG, Zihui XIA

期刊论文

Optimization of process parameters for preparation of powdered activated coke to achieve maximum SO

Binxuan ZHOU, Tao WANG, Tianming XU, Cheng LI, Yuan ZHAO, Jiapeng FU, Zhen ZHANG, Zhanlong SONG, Chunyuan MA

期刊论文

Formation of coke in thermal cracking of jet fuel under supercritical conditions

ZHU Yuhong, YU Caixiang, LI Zimu, MI Zhentao, ZHANG Xiangwen

期刊论文

Persistent Integration and Innovation Management Mode and Its Applications in Petroleum Production Engineering

He Liu

期刊论文

Sensitivity analysis of a methanol and power polygeneration system fueled with coke oven gas and coal

Guoqiang ZHANG, Lin GAO, Hongguang JIN, Rumou LIN, Sheng LI

期刊论文

Effect of oil shale semi-coke on deposit mineralogy and morphology in the flue path of a CFB burning

Zhuo LIU, Jianbo LI, Mingming ZHU, Xiaofeng LU, Zhezi ZHANG, Dongke ZHANG

期刊论文

Smart oilfield development and transition of petroleum-based cities

He LIU, Xinhua MA

期刊论文

Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

期刊论文

李四光与中国石油大发现

赵文津

期刊论文

Practice and understanding of developing new technologies and equipment for green and low-carbon production of oilfields

He LIU, Jianwen YAN, Siwei MENG, Qinghai YANG, Zixiu YAO, Shijia ZHU

期刊论文

Development and challenges of planning and scheduling for petroleum and petrochemical production

Fupei LI, Minglei YANG, Wenli DU, Xin DAI

期刊论文

液化石油气泄漏的危险性分析及其事故后果评价方法

陈思凝,孙金华,王青松

期刊论文