全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
化工学报  2015 

热等离子体煤制乙炔裂解气烃类循环过程分析

DOI: 10.11949/j.issn.0438-1157.20141790, PP. 2227-2234

Keywords: 多相反应器,煤热解,等离子体,热力学,碳氢化合物

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对等离子体煤裂解制乙炔过程,提出了将过程裂解气中副产的烃类分离,循环输入等离子体反应器的新型工艺流程。基于新疆天业2MW示范平台装置的典型运行参数,采用热力学分析手段,理论上分析了该工艺流程对于体系乙炔产量、单位质量乙炔煤耗和裂解电耗等的影响。结果表明,裂解气烃类循环可以有效提高裂解气中乙炔浓度和产率,同时减少煤粉输送气等流程气体的使用。典型操作条件下,采用裂解气烃类循环工艺可以增加35.6%的乙炔收率和13.4%的氢气收率,降低30%的单位乙炔煤耗和裂解电耗,是高效可行的优化方案。

References

[1]  Chen Jiaqi(陈家琦), Cheng Yi(程易), Xiong Xinyang(熊新阳), Wu Changning(吴昌宁), Jin Yong(金涌). Research process of coal pyrolysis to acetylene in thermal plasma reactor [J]. Chemical Industry and Engineering Process(化工进展), 2009,28(3):361-367.
[2]  Bond R L, Galbraith I F, Ladner W R, Mcconnell G I T. Production of acetylene from coal using a plasma jet [J]. Nature, 1963, 200(491): 1313-1314.
[3]  Zhu Yuan(祝媛), Zhang Jiyu(张济宇), Xie Kechang(谢克昌). Research progress of coal pyrolysis to acetylene via thermal plasma in downer reactors [J]. Journal of Chemical Industry & Engineering(化学工业与工程技术), 2004, 25(1): 30-36.
[4]  Chen H, Xie K. Hydropyrolysis of light hydrocarbons in H2/Ar plasma jet [J]. Petrol. Sci. Technol., 2003, 21(5/6): 709-717.
[5]  Tian Y, Xie K, Zhu S, Fletcher T H. Simulation of coal pyrolysis in plasma jet by CPD model [J]. Energy & Fuels, 2001, 15(6): 1354-1358.
[6]  Xie Kechang(谢克昌). Coal Structure and Its Reactivity(煤的结构与反应性)[M]. Beijing: Science Press, 2002.
[7]  Chen J, Cheng Y. Process development and reactor analysis of coal pyrolysis to acetylene in hydrogen plasma reactor [J]. J. Chem. Eng. Jpn., 2009, 42(suppl. 1): 103-110.
[8]  Leutner H W, Stokes C S. Producing acetylene in a plasma arc [J]. Ind. Eng. Chem., 1961, 53(5): 341-342.
[9]  Anderson J E, Case L K. An analytical approach to plasma torch chemistry [J]. Ind. Eng. Chem. Process. Des. Dev., 1962, 1(3): 161-165.
[10]  Ibberson V J, Sen M. Plasma jet reactor design for hydrocarbon processing [J]. Chem. Eng. Res. Des., 1976, 54(4): 265-275.
[11]  Nicholson R, Littlewood K. Plasma pyrolysis of coal [J]. Nature, 1972, 236(5347): 397-400.
[12]  Kushner L M. Plasma technology in acetylene production in the US // Cheremisinoff P N, Farah O G, Ouellette R. Radio Frequency/ Radiation and Plasma Processing[C]. Lancaster: Technomic Publishing Inc., 1985:193-207.
[13]  Patrick Jr. A J, Gannon R E. 1 MW prototype arc reactor for processing coal to chemicals //Cheremisinoff P N, Farah O G, Ouellette R. Radio Frequency/Radiation and Plasma Processing[C]. Lancaster: Technomic Publishing Inc., 1985:144-154.
[14]  Shen Benxian(沈本贤), Wu Youqing(吴幼青), Gao Jinsheng(高晋生). Research on coal pyrolysis to acetylene via plasma [J]. Coal Conversion(煤炭转化), 1994, 17(4): 67-72.
[15]  Laflamme C B, Jurewicz J W, Gravelle D V, Boulos M I. Thermal plasma reactor for the processing of gaseous hydrocarbons [J]. Chem. Eng. Sci., 1990, 45(8): 2483-2487.
[16]  Fincke J R, Anderson R P, Hyde T, Detering B A, Wright R, Bewley R L, Haggard D C, Swank W D. Plasma thermal conversion of methane to acetylene [J]. Plasma. Chem. Plasma. P., 2002, 22(1): 105-136.
[17]  Mosse A L, Gorbunov A V, Galinovskii A A, et al. Production of commercial hydrogen and acetylene from propane-butane and liquid hydrocarbons in an electric-arc plasma reactor [J]. Journal of Engineering Physics. Thermophysics, 2008, 4(81): 652-658.
[18]  Su Baogen(苏宝根), Fang Jianwei(房建威), Wen Guangdong(闻光东), Ma Jie(马杰), Xing Huabin(邢华斌), Ren Qilong(任其龙), Pyrolysis of propane to acetylene using high-power rotating arc hydrogen plasma [J]. CIESC Journal(化工学报), 2013, 64(11): 4039-4045.
[19]  Baddour R F, Iwasyk J M. Reactions between elemental carbon and hydrogen at temperatures above 2800 K [J]. Ind. Eng. Chem. Process Res. Dev., 1962, 1(3): 169.
[20]  Baddour R F, Blanchet J L. Reactions of carbon vapor with hydrogen and with methane in a high intensity arc [J]. Ind. Eng. Chem. Process Res. Dev., 1964, 3(3): 258-266.
[21]  Wu C, Chen J, Cheng Y. Thermodynamic analysis of coal pyrolysis to acetylene in hydrogen plasma reactor [J]. Fuel. Process Technol., 2010, 91(8): 823-830.
[22]  Yan B, Xu P, Cheng Y. Understanding coal/hydrocarbons pyrolysis in thermal plasma reactors by thermodynamic analysis [J]. Chem. Eng. Sci., 2012, 84: 31-39.
[23]  Reynolds W C. The element potential method for chemical equilibrium analysis: implementation in the interactive program STANJAN[R]. Stanford University, Department of Mechanical Engineering, 1986.
[24]  Libberson V J, Sen M. Plasma jet reaction design for hydrogen processing [J]. Transaction Insitution of Chemical Engineers, 1976, 54(4): 265-275.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133