芦苇浆黑液在流化床上的热解实验研究

宋兴飞; 纪晓瑜; 范军; 别如山

芦苇浆黑液在流化床上的热解实验研究

哈尔滨工业大学能源科学与工程学院, 黑龙江哈尔滨 150001

详细信息

通讯作者:
别如山,男,教授,E-mail:rushan@hit.edu.cn,Tel:+86-451-86413232。

中图分类号: X793
计量
- 文章访问数: 360
- HTML全文浏览量: 24
- PDF下载量: 288
- 被引次数: 0
出版历程
- 收稿日期: 2015-03-24
- 修回日期: 2015-06-22
- 刊出日期: 2015-09-30

Experimental study on pyrolysis of reed black liquor in fluidized bed

Harbin Institute of Technology, School of Energy Science and Engineering, Harbin 150001, China

摘要

摘要: 为了掌握芦苇浆黑液的热解行为,利用流化床在530、580、630、680、730和780 ℃ 六个床温下对芦苇浆黑液在氮气氛围下的热解过程进行了实验研究,分析了床温对气相产物、碳的转化率、NO_x和SO₂的排放浓度、焦油成分和热解焦微观形貌的影响。结果表明,热解气中的主要成分为CO、CH₄、CO₂和H₂,床温的升高有利于H₂和CO的生成,而不利于CH₄和CO₂的生成;可燃气体积分数随着床温的升高而升高,其值从59.2%(530 ℃)升高到66.1%(780 ℃);床温较高时,热解产生的焦油量较少,其中,多环芳烃化合物的相对含量较多,该值在780 ℃时最高为46.88%。
- 芦苇浆黑液 /
- 流化床 /
- 热解 /
- 焦油
Abstract: To improve the knowledge about pyrolysis behavior of reed black liquor, pyrolysis experiments were carried out at 530, 580, 630, 680, 730 and 780 ℃ in fluidized bed under atmospheric N₂. Effects of bed temperature on yields of gas product, carbon conversion, emission of NO_x and SO₂, characterization of tar, and micro-morphology of pyrolysis char were examined. The results show that the main components of gaseous product are CO, CH₄, CO₂ and H₂. The volume percentage of H₂ and CO increases with increasing bed temperature, but that of CH₄ and CO₂ is opposite. In addition, with increasing temperature the concentration of combustible gases increases from 59.2% at 530 ℃ to 66.1% at 780 ℃. The yield of tar decreases with increasing temperature. The relative content of polycyclic aromatic hydrocarbons is 46.88% at 780 ℃, which is the maximum among six bed temperatures.
- reed black liquor /
- fluidized bed /
- pyrolysis /
- tar

HTML全文

参考文献(20)

张陶芸. 碱法草浆黑液提取与蒸发的探讨[J]. 纸和造纸, 1998, (2): 40-42. (ZHANG Tao-yun. Extraction and evaporation of alkaline black liquor[J]. Paper Paper Making, 1998, (2): 40-42.)

胡杰, 汪萍. 麦草浆黑液碱回收现状及有关问题的探讨[J]. 中国造纸, 1997, 16: 51-55. (HU Jie, WANG Ping. Alkali recovery of wheat straw pulping black liquor: Experiences and Problems[J]. China Pulp Paper, 1997, 16: 51-55.)

张志刚, 张涛. 麦草碱法制浆黑液提取的现状与思考[J]. 中国造纸,2000, 16: 65-68. (ZHANG Zhi-gang, ZHANG Tao. Present situation and consideration of extraction of black liquor of alkali wheat straw pulping[J]. China Pulp Paper, 2000, 19: 65-68.)

陈长春, 陆冰玉. 电渗析法处理造纸黑液回收碱的试验研究[J]. 环境污染与防治, 1997, 19: 7-10. (CHEN Chang-chun, LU Bing-yu. Lye recovery from papermaking black liquor with electrodialyser[J]. Environ Pollut Control, 1997, 19: 7-10.)

SRICHAROENCHAIKUL V. Assessment of black liquor gasification in supercritical water[J]. Bioresour Technol, 2009, 100: 638-643.

CAO C B, GUO L J, CHEN Y N, LU Y. Hydrogen production from supercritical water gasification of alkaline wheat straw pulping black liquor in continuous flow system[J]. Int J Hydrogen Energy, 2011, 36: 13528-13535.

别如山, 赵莹, 刘欢鹏, 陈志刚, 张洋, 姜雯雯. 造纸黑液流化床碱回收装置及方法: 中国, 101210396[P]. 2008-07-02. (BIE Ru-shan, ZHAO Ying, LIU Huan-peng, CHEN Zhi-gang, ZHANG Yang, JIANG Wen-wen. Black liquor fluidized bed recovery apparatus and method: CN, 101210396[P]. 2008-07-02.)

NAQVI M, YAN J Y, DAHLQUIST E. Black liquor gasification integrated in pulp and paper mills: A critical review[J]. Bioresour Technol, 2010, 101: 8001-8015.

GLORIA G, MURILLO M B, SÁNCHEZ J L, ARAUZO J. Thermal degradation of alkaline black liquor from wheat straw. 2. Fixed-bed reactor studies[J]. Ind Eng Chem Res, 2003, 42(23); 5782-5790.

别如山, 宋兴飞, 纪晓瑜, 陈佩, 朱少飞, 黄兵, 刘茜茜. 草浆造纸黑液循环流化床气化、燃烧碱回收处理方法: 中国, 102864674A[P]. 2013-01-09. (BIE Ru-shan, SONG Xing-fei, JI Xiao-yu, CHEN Pei, ZHU Shao-fei, HUANG Bing, LIU Qian-qian. Straw pulp black liquor gasification circulating fluidized bed combustion recovery method: CN, 102864674A[P]. 2013-01-09.)

KOEPKE S A, ZHU J Y. Pyrolysis of black liquor in a high-intensity acoustic field[J]. Combust Sci Technol, 1999, 140(1/6): 315-331.

SONG X F, BIE R S, JI X Y, CHEN P, ZHANG Y, FAN J. Kinetics of reed black liquor (RBL) pyrolysis from thermogravimetric data[J]. Bioresources, 2015, 10(1): 137-144.

纪晓瑜. 草浆黑液流化床碱回收过程中烧结特性试验研究[D]. 哈尔滨: 哈尔滨工业大学, 2012. (JI Xiao-yu. Study on sintering characteristics of straw pulp black liquor in the process of alkali recovery in fluidized bed[D]. Harbin: Harbin Institute Technolgoy, 2012.)

SÁNCHEZ J L, GONZALO A, GEA G. Effect of temperature and bed substitution at pilot scale[J]. Energy Fuels, 2015, 19(5): 2140-2147.

郭飞强. 中药渣类生物质热解气化及焦油氧化重整过程研究[D]. 济南: 山东大学, 2013. (GUO Fei-qiang. Process research on pyrolysis/gasification and tar oxidation reforming of herb residues biomass[D]. Jinan: Shandong University, 2013.)

余剑, 朱剑虹, 郭凤, 段正康, 刘云义, 许光文. 生物质在微型流化床中热解动力学与机理[J]. 燃料化学学报, 2010, 38(6): 666-672. (YU Jian, ZHU Jian-hong, GUO Feng, DUAN Zheng-kang, LIU Yun-yi, XU Guang-wen. Reaction kinetics and mechanism of biomass pyrolysis in a micro-fluidized bed reactor[J]. J Fuel Chem Technol, 2010, 38(6): 666-672.)

FAN Z L, ZHANG J, SHENG C D, LIN X F, XU Y Q. Experimental study of NO reduction through reburning of biogas[J]. Energy Fuels, 20(2): 579-582.

PHILIPPE D, FRANCK L. Experiments and kinetic modeling study of NO-reburning by gases from biomass pyrolysis in a JSR[J]. Energy Fuels, 2003, 197(3): 608-613.

刘秀如. 城市污水污泥热解实验研究[D]. 北京: 中国科学院研究生院, 2011. (LIU Xiu-ru. Experimental study on sewage sludge pytolysis[D]. Beijing: Graduate School of Chinese Academy of Sciences, 2011.)

扬天华, 孙海朋, 孙洋, 开兴平, 李杰, 李润东. 脱灰预处理对水稻秸秆物化性/水蒸气气化反应特性的影响[J]. 燃料化学学报, 2015, 43(5): 598-606. (YANG Tian-hua, SUN Hai-peng, SUN Yang, KAI Xing-ping, LI Jie, LI Run-dong. Influence of deashing pretreatments on physicochemical properties and steam gasification reaction characteristics of rice straw[J]. J Fuel Chem Technol, 2015, 43(5): 598-606.)

施引文献

资源附件(0)

访问统计