- HUANG Qing1,2,LUO Lai-tao1(1.Applied Chemistry Institute,Nanjing University,Nanchang 330029,China;2.Chemistry and Life ScienceIinstitute,Gannan Normal College,Ganzhou 341000,China)
This paper introduced the marketable actuality domestic and overseas and evolvement of synthetic technics of methanol /dimethyl ether,analyzed the main economic index of developing coal to methanol / dimethyl ether.It also pointed out that using coal or oven gas to make methanol / dimethyl ether for substituting petrolic produces partially is crucial to relieve the tense situation of petroleum under china current energy structure.
2006 04 [Abstract][OnlineView][Download 44K] - YU Wen-yan1,WANG Rong2(1.School of Architecture and Civil Engineering,Inner Mongolia University of Technology,huhhot 010062,China; 2.Fengtai Dynamoelectric Company of Huhhot Thermoelectric Plant,huhhot 010062,China)
This article represents briefly the main cogeneration technology of heat,electricity and gas in our country.Several main problems that need to solve during the application of this cogeneration technology are analyzed.This new cogeneration technology will be extensively popularized if these problems are correctly solved.
2006 04 [Abstract][OnlineView][Download 20K] - SHEN Xiao-Jun,SHI Chun-Hua (Heilongjiang Institute of Science and Technology,College of Resources and Environment Engineering,haerbin 150027,China)
The status of coal resources and the utilization of the middlings in china were analyzed,and the necessity of the middlings recovery was held up.Middlings of Xinghua Coal Preparation Plant is used as experiment test samples,through float and sink test,the feasibility of the middlings recovery is demonstrated.Some projects were pointed out and the economic benefit was analyzed.
2006 04 [Abstract][OnlineView][Download 23K]
2006 04 [Abstract][OnlineView][Download 42K] - XU Hong-na1,WANG Hong-xia2(1.Tangshan Guohua Science and Technology Co.Ltd,Tangshan 063020,China;2.Huaibei Coal Washing Plant,Huaibei 235025,China)
It introduced the process and correlative analysis of bench-scale experiment which adds mineral MC flocculant and anionic polyacrylamide to hasten the defecation of slime water.this is a simulative experiment used spectrophotometer and conductivity apparatus,and the result shows that using MC flocculant can obtain the most kosher clear water efficiently.
2006 04 [Abstract][OnlineView][Download 90K] - NIE Qi-ying(Jiaozuo Coal Industry(Group) Ltd.Jiaozuo 454002,China)
According to alteration of intrinsic system,the effect of blending was improved,the request of coal quality for jigging and medium separation was fulfilled,and washing quality was also improved.The consumer's request can also be satisfied by adjusting the ash of washed coal.
2006 04 [Abstract][OnlineView][Download 18K] - KANG Li-rong,ZHANG Jian-min,LIAN hui(College of Power Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)
The paper presents the preparation process of synthesis gas in the world including: the production and the key technology based on the natural gas and coal separately and the research status of co-conversion technics from natural gas and coal.The co-conversion experiment of coal and natural gas was investigated on a fixed-bed reactor,we found that coke has inhibiting effect to CH4 decomposition.It means that the co-pyrolysis technics of natural gas and coal prepared for synthesis gas is a new preparation process of high utilization efficiency and sustainable development.
2006 04 [Abstract][OnlineView][Download 112K] - WANG Xu-tao;LIU Wen-bin;ZHANG Bai-liang(1.Huazhong university of science and technology,Wuhan 430074,China;2.Henan Agricultural University,Zhengzhou 450002,China)
The paper introduced the situation of coal bed methane source and exploration.on the basis of this introduction,the unfavorable factors in coal bed methane exploration were analyzed.Strategies that were used to deal with the unfavorable factors were given.
2006 04 [Abstract][OnlineView][Download 28K] - ZHAO Qi,WANG Yan-fang,WANG Bin,WANG Li-bin(Beijing Research Institute of coal Chemistry,China Coal Research Institute,Beijing 100013,China)
Based on using the high quality fine anthracite of Taixi,investigated the influence on the quality of formed coke of different kinds and proportion of additive,and the enlargement test is carried out by optimizing.The result indicated that in the fitting process,high quality formed foundry coke is produced by adding the fitting quantity and kind of additive and using the fine anthracite.
2006 04 [Abstract][OnlineView][Download 377K] - LUO Yu-ping1,2,WANG Li-jiu1(1.School of Civil & Hydraulic Engineering,Dalian University of Technology,Dalian 116024,China; 2.School of Civil Engineering,Yantai University,Yantai 264005,China)
By reviewing the evolvement of the technology of joint production of coal-burning electricity generation and cement,the problems existed in which and ways for solving these problems are put forward by author.
2006 04 [Abstract][OnlineView][Download 29K] - SU Li-qing1,LI Mei-fen1,QU Xue-jun2(1.Yantai Energy Inspect Monitoring Center,Yantai 264001,China;2.Yantai Yitong Thermoelectricity Ltd.Yantai 264001,China)
It is important to master the influence of coal quality for power plant burnt coal,since the coal quality and economically running of power plant had nearly connections,and 70 percent of the cost of generating electricity is coal.
2006 04 [Abstract][OnlineView][Download 20K] - JIANG De-hua(Oil Shale Electric Generation Ltd.of Yue Electricity,Maoming 525000,China)
This paper introduced the development and application of 6t/h CWM injector on the project of burning CWM instead of oil in 410t/h boiler.The request of injector for special hydromechanical character of CWM and thermal debugging result of this injector were emphasized,it also put forward some ameliorative suggestions.
2006 04 [Abstract][OnlineView][Download 23K] - LIU Xue-bing1,GONG Wei-ping2,LI Guang-quan1,CHENG Shi-qing2,CHEN Gui-yang3, HAO Jing-wu1,FU Cong-wei1(1.Shandong Huaju Energy Shared Co Ltd.Zoucheng 273500,China;2.Shandong University,Jinan 250061,China; 3.Enviroment Protection Center,Yankuang Group,Zoucheng 273500,China)
The result of research indicates that the limestone can really be the staff;massive limestone can also be good desulfurizer,and can sharply decrease the desulfurization cost.
2006 04 [Abstract][OnlineView][Download 33K] - SUN Qing-wei,QI Qing-jie,HAO Yu,WU Xian(College of Resource and Environment Engineering,Liaoning Technical University,Fuxin 123000,China)
The characteristic of sulphur releasing is influnced by a lot of factors such as: sulphur composition,external combustion conditions and so on.This paper set up the dynamical model of sulphur releasing though analyzing its releasing law and studied sulphur releasing model of two kind of coal samples in different reaction order.The research results of mapping and calculating through origin software show that the first-order reaction is most suitable for the dynamical model of sulphur releasing.The foundation of the dynamics equation offered reference basis for controlling effectively gas sulphur releasing during coal combustion.
2006 04 [Abstract][OnlineView][Download 120K] - JIANG Shi-tao1,YAN Xin-hao2,ZHONG Yong-chun2,LU Chun-mei2(1.Guangdong Zhongshan Coal Power Co.Ltd.,Zhongshan 528431,China;2.Nanhai No.1 Power Co.Ltd.,Foshan 528211,China)
The 670t/h CWM boiler and its storing and carrying system are the latest production in the research and project application field of the CWM in China,and basically the running is succeeded.To obviate the problems,such as the CWM sedimentation,nozzle blocking,damaging and coking,the related staffs analyzed and adopted corresponding steps,and accumulated more appearance.
2006 04 [Abstract][OnlineView][Download 35K] - DONG Ping,CHEN Yan-jie,WANG Peng(Hei long jiang Institute of Science and Technology,Harbin 150027,China)
In this paper,the predicting models of the steam coal quality base on Elman networks for the nonlinear information control system of steam coal blending is presented.Elman network uses internal state feedback to describe the nonlinear dynamic rules of system and especially is of nonlinear.The predicting models of the steam coal quality work well,and the simulations prove the effectiveness of this scheme.
2006 04 [Abstract][OnlineView][Download 62K] - Hao Yan-ling,Fan Fu-hai(School of Chemical and Biological Engineering,Lanzhou Communication University,Lanzhou 730070,China)
A test for the adsorption of cadmium-ion solution with Tianzhu lignite at normal temperature was carried out.The adsorption kinetics,the adsorption equilibrium,the effect elements and the mechanism of adsorption were studied.The results indicate that the adsorption rate of cadmium-ion on lignite is first-order kinetic,the adsorption models exhibits Freundlich behavior,PH is the main factor affecting the adsorption and the disposal rate could be 97% when pH was about 4～7.
2006 04 [Abstract][OnlineView][Download 31K] - LI Hong-tu,WANG Li-hua(China Coal Quality Supervision and Inspection Center,Beijing 10013,China)
This paper put forward some opinions of electrode char distributive proportion and measurement of Gray-King low temperature assay and compared it with carbonization test in aluminium retort.
2006 04 [Abstract][OnlineView][Download 19K] - LIU Shu-yun,ZHANG Guo-guang(Beijing Research Institute of Coal Chemistry,CCRI.Beijing 10013,China)
According to studied the resource characteristic and the distributing of its useful and harmful microelements of longflame coal in Tiefa mining area,which is the biggest provider of power coal in northeast of china,it was found that the useless elements such as sulfur,phosphor,arsenic and chlorine,and heavy metals of lead,chrome and mercury are few in this coal,and it is also the important coal origin with high quality of some primary electric power plants within Liaoning province.
2006 04 [Abstract][OnlineView][Download 26K] - PAN Rui(Harbin Institute,Harbin 150086,China)
According to the mechanism of formation and burning of black smoke,and the adverse factors influenced burning on existing mechanical furnace outlet,we designed CT/n type coal briquette machine before boiler.It can be used on heating boiler with catenulate furnace outlet,industrial boiler and furnace outlet,and the problem of emitting black smoke can also be solved efficiently.It is a kind of clean burning technological equipment,which burnt coal briquette directly instead of loose coal,and for burning fine coal separated from coal cleaning plant,it is the best choice.
2006 04 [Abstract][OnlineView][Download 21K] - HU Tao,MA Xi-jun,JING Yi,CHU Ting-ting(Bioengineering and Chemical engineering Department,Huaiyin Institute of Technology,Huaian 223001,China)
Material basis of fly ash modified character and the major modified character ways were analyzed.The modification of fly ash with many kinds of modifiers such as HCl,NaCl,NaCO3 and so on was investigated.Researches on dealing with all kinds of wastewater by modified fly ash were introduced.The problems existing in treating wastewater and development trend were pointed out.
2006 04 [Abstract][OnlineView][Download 34K] - ZHENG Yi1,ZHANG Zhuo1,MENG Xiang-rong2,LIU Hong 2(1.Shanghai Institute of Technology,Shanghai 200233,China;2.Coking & Refractory Engineering Consulting Corporation,Mcc,Liaoning,Anshan 114002,China)
In this paper,coke wastewater sluge is developed as a kind of coating of coal yard in coke plant.Experiments are made with wind tunnel device to ascertain the effect of coating and get the optimum concentration and density of sprayed sludge.The relativity between coal-loss amount and lasted time also is developed under different wind speed.
2006 04 [Abstract][OnlineView][Download 37K] - ZHENG Zhen-hui1,WANG Hong-mei1,GAO Bao-yu2(1.Jining Vocational and Technical College,ShanDong,272000;2.Institute of Environmental Science and Engineering,ShanDong University,Jinan,250100)
PDMDAAC-bentonite was synthesized by using poly dimethyldiallylammonium chloride(PDMDAAC) and bentonite.The PDMDAAC-bentonite was used as adsorbent to treat coking wastewater.The efficiencies of PDMDAAC-bentonite for color and COD removal of actual waste water.were great.In this experiment of actual wastewater,we confirmed the superiority of this new adsorbent PDMDAAC-bentonite.
2006 04 [Abstract][OnlineView][Download 149K] - HUANG Ding-guo1,ZHU Rui1,WANG Wen-hua2 (1.School of Materials Science and engineering,Henan Polytechnic University,Jiaozuo 454000,China;2.School of Civil engineering,Henan Polytechnic University,Jiaozuo 454000,China)
In this paper,the new cokemaking process(SCOPE21) is introduced which making up of coal rapid heating treatment;medium temperature carbonized-reheating upgrading and low NOx combustion.
2006 04 [Abstract][OnlineView][Download 94K] - ZHOU Min1,WU Xiao2,HUA Su-lan2,ZHU Yu-li2(1.School of Chemical Engineering and Technology,China University of Mining & Technology,XuZhou 221008,China;2.School of Environment and Spatial Informatics,China University of Mining & Technology,XuZhou 221008,China)
Biotrickling filtration,a new technique for purifying aromatic organic compounds,has become the hot topic among current researches of air pollution control.In this article,the study actuality of biotrickling filter is introduced,including operation performance,filling medium,microorganisms,mechanisms of degradation,kinetics model and industrial application.Among those,the microscopic mechanism of degradation for biotrickling filter need to be studied emphatically.Based on the formation and accumulation of intermediates,reseach of clogging control solutions and new kinetic model establishing can be carried on,which will be more helpful for guiding the design and industrial application of biotrickling filter.
2006 04 [Abstract][OnlineView][Download 31K] - GU Tian-ye(Coal Transportation and Distribution Head Office,Datong Coal Mine Industry Group,Datong 037003,China)
China must develop clean coal technology energetically,which is decided by the problems caused from excessive exploitation,processing and utilization of coal,and the leading position of coal in the primary energy structure.The kernel content of Chinese clean coal technology is coal clean processing and efficient utilization.
2006 04 [Abstract][OnlineView][Download 20K] -
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