南京大学学报(自然科学版) ›› 2019, Vol. 55 ›› Issue (5): 859868.doi: 10.13232/j.cnki.jnju.2019.05.020
顾思云1,何其慧1,2,王溢华1,田万成1,刘志勇3,胡柏星1,2()
Siyun Gu1,Qihui He1,2,Yihua Wang1,Wancheng Tian1,Zhiyong Liu3,Baixing Hu1,2()
摘要:
煤炭分质利用是洁净煤技术的重要组成部分,在这个过程中会产生大量的副产物半焦,但因半焦的孔隙率高、堆积密度低,所以难以制备高浓度水?半焦浆.利用煤和半焦的可磨性和粒度的差异进行半焦配煤制浆,使浆体具有较宽的粒度分布,可以显著提高浆体浓度等性能,制浆浓度可达62 wt%;同时可以解决半焦挥发分低、难以单独燃用的问题.此外,利用半焦比表面大、孔径发达的特性来吸附工业废水中有机污染物,可以降低废水对水煤浆制浆性能的劣化作用,同时能显著减少废水散发的刺激性气味,是一种资源化利用工业废水和半焦的清洁方法.
中图分类号:
1 | 肖新建,高虎,张有生 . 2017年我国煤炭发展形势回顾及2018年展望与建议. 中国能源,2018,40(1):5-9. |
Xiao X J , Gao H , Zhang Y S . Review of China's coal development situation in 2017 and prospects and suggestions for 2018. Energy of China,2018,40(1):5-9. | |
2 | 中国煤炭产业经济景气研究课题组 . 2017-2018年中国煤炭产业经济形势研究报告. 中国煤炭,2018,44(2):5-11. |
Research Group on Economic Prosperity of China's Coal Industry . Research report on the economic situation of China's coal industry from 2017 to 2018. China Coal,2018,44(2):5-11. | |
3 | 张国昀 . 低阶煤分质利用的前景展望及建议. 当代石油石化,2014,22(9):19-23,36. |
Zhang G Y . The prospect of low rank coal separate utilization according to quality and suggestions for it. Petroleum & Petrochemical Today,2014,22(9):19-23,36. | |
4 | 潘生杰,陈建玉,范飞 等 . 低阶煤分质利用转化路线的现状分析及展望. 洁净煤技术,2017,23(5):7-12. |
Pan S J , Chen J Y , Fan F ,et al . Present situation analysis and prospect of low rank coal quality?based utilization conversion route. Clean Coal Technology,2017,23(5):7-12. | |
5 | Li X H , Ma J S , Li L L ,et al . Semi?coke as solid heat carrier for low?temperature coal tar upgrading. Fuel Processing Technology,2016,143:79-85. |
6 | Zhang K , He Y , Wang Z H ,et al . Multi?stage semi?coke activation for the removal of SO2 and NO. Fuel,2017,210:738-747. |
7 | He Q H , Xie D , Xu R F ,et al . The utilization of sewage sludge by blending with coal water slurry. Fuel,2015,159:40-44. |
8 | Ma S D , Zhao P , Guo Y ,et al . Synthesis,characterization and application of polycarboxylate additive for coal water slurry. Fuel,2013,111:648-652. |
9 | 冉宁庆,戴郁菁,朱光 等 . 亚甲基萘磺酸?苯乙烯磺酸?马来酸盐对水煤浆的分散作用研究. 南京大学学报(自然科学),1999,35(5):643-647. |
Ran N Q , Dai Y J , Zhu G ,et al . Dispersive effect of methylene naphthalene sulfonate styrene sulfonate maleate on coal water mixture. Journal of Nanjing University (Natural Sciences),1999,35(5):643-647. | |
10 | Das D , Dash U , Meher J ,et al . Improving stability of concentrated coal–water slurry using mixture of a natural and synthetic surfactants. Fuel Processing Technology,2013,113:41-51. |
11 | 张荣曾 . 水煤浆制浆技术. 北京:科学出版社,1996:6-8. |
Zhang R Z . Coal water fuel preparation technology. Beijing:Science Press,1996:6-8. | |
12 | 戴财胜,刘学鹏,马淞江 . 水焦浆的制备及其流变特性. 热能动力工程,2016,31(12):75-80. |
Dai C S , Liu X P , Ma S J . Preparation and rheological property of char water slurry. Journal of Engineering for Thermal Energy and Power,2016,31(12):75-80. | |
13 | 戴财胜,梁丽静,戴谨泽 等 . 基于温和热解的低阶煤热解半焦成浆性能研究. 煤炭学报,2015,40(7):1654-1659. |
Dai C S , Liang L J , Dai J Z ,et al . Research on the slurry ability of semi?coke from low rank coal pyrolysis under mild conditions. Journal of China Coal Society,2015,40(7):1654-1659. | |
14 | 胡柏星,何其慧,田万成 等 . 一种煤粉填充改性半焦制备水煤/半焦浆的方法. 中国专利20171081 9994,2017-09-13. |
Hu B X , He Q H , Tian W C ,et al . Method for preparing water coal/semi?coke slurry from coal powder filling?modified semi?coke. CN Patent 20171081 9994,2017-09-13. | |
15 | 周新建 . 水煤浆颗粒级配的研究. 煤炭学报,2001,26(5):557-560. |
Zhou X J . Study on particles size grading of coal?water slurry. Journal of China Coal Society,2001,26(5):557-560. | |
16 | 王香莲,湛含辉,刘浩 . 煤化工废水处理现状及发展方向. 现代化工,2014,34(3):1-4. |
Wang X L , Zhan H H , Liu H . Current situation and development direction of coal chemical industry wastewater treatment. Modern Chemical Industry,2014,34(3):1-4. | |
17 | Zhu H , Han Y X , Xu C Y ,et al . Overview of the state of the art of processes and technical bottlenecks for coal gasification wastewater treatment. Science of The Total Environment,2018,637-638:1108-1126. |
18 | Wang J Q , Liu J Z , Wang S N ,et al . Slurrying property and mechanism of coal?coal gasification wastewater?slurry. Energy Fuels,2018,32(4):4833-4840. |
19 | 中华人民共和国国家标准 . 水煤浆试验方法. GB/T 18856-2008 . (State Standard of the People's Republic of China. Test methods for quality of coal water mixture . GB/T 18856-2008. |
20 | 蒋建忠 . 颗粒群粒度分布宽度表示方法的研究. 过滤与分离,2006,16(1):21-23,45. |
Jiang J Z . Research on representations of particles size distributional width. Journal of Filtration & Separation,2006,16(1):21-23,45. | |
21 | 中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会 . 煤的可磨性指数测定方法 哈德格罗夫法GB/T 2565-2014. (State Standardization Management Committee of the General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China . Determination of grindability index of coal:Hardgrove methodGB/T 2565-2014. |
22 | 邹立壮,朱书全,王晓玲 等 . 不同水煤浆分散剂与煤之间的相互作用规律研究X分散剂在煤粒表面上的吸附作用特征. 燃料化学学报,2006,34(1):10-14. |
Zou L Z , Zhu S Q , Wang X L ,et al . Interaction between different CWS dispersants and coal X Adsorptive characteristics of dispersant on coal surface. Journal of Fuel Chemistry and Technology,2006,34(1):10-14. | |
23 | Xu R F , He Q H , Cai J ,et al . Effects of chemicals and blending petroleum coke on the properties of low-rank Indonesian coal water mixtures. Fuel Processing Technology,2008,89(3):249-253. |
24 | 汪逸,刘建忠,李宁 等 . 煤气化废水成浆特性及添加剂的适配性. 化工进展,2018,37(8):338-345. |
Wang Y , Liu J Z , Li N ,et al . Slurryability of coal gasification wastewater and adaptation of additives. Chemical Industry and Engineering Progress,2018,37(8):338-345. |
No related articles found! |
|