- ZHOU Min1,ZHU Yu-li2,WANG Li-ping2,WANG Chun2(1.School of chemical engineering China University of Mining & Technology,Xuzhou 221008,China;2.School of Environment and Spatial Informatics.China University of Mining & Technology,Xuzhou,221008,China)
Based on the background and significance of circular economy in the mining area,we pointed out that developing circular economy is the inevitable choice of the mining area.According to the mining area circular economy mode,the needed technique sustain was put forward.By analyzing the wrong opinion,the developing circular economy in mining area should pay more attention to the non-materialization service function rather than the material performance.At last some suggestions on the eco-system industrial park and composed eco-system were given out.
2006 03 [Abstract][OnlineView][Download 51K] - SHEN Ming-xin(Hebei Jinniu energy group limited liability company,Xingtai,Hebei,054021)
The distributing and characteristic of coking coal in Hebei were studied systemically in this paper.Through this study we found that the characters of three main coking coal mining areas are different.Kailuan is full of fat coal,which is rare in China.By the influence of igneous rock fat coal,coking coal and lean coal all can be found in Fengfeng mining area.Xingtai mostly is 1/3 coking coal,which is low ash,low sulfur and low metamorphic grade and had best washability and clean coal recovery.Most of the basilic steel industries of northeast,North China,East China and middle south of China used Hebei coking coal for blending coking.
2006 03 [Abstract][OnlineView][Download 50K] - ZHOU Zhong-ke(Shenhua Coal To Oil Ltd.of China,Beijing 100011,China)
According to the situation of China and current circumstance of petroleum,the instancies of actualizing the stratagem of coal substitute for oil in China were raised.This paper emphases detailed the approach,technology,economy feasibility and correlative policy measure advices of actualizing coal substitute for oil in China.
2006 03 [Abstract][OnlineView][Download 24K] - ZHANG Wen-ping,HAN Hong-guang,SI Ji-chun(Lu'an Mining(Group) Company,Changzhi,046204,China)
Based on the fact that Lu'an mining(group) company is building an energy and chemical group,this paper elaborated the significance and basal factors of developing the production of coal machining and transform,and analyzed and programmed the technical development of this production.
2006 03 [Abstract][OnlineView][Download 32K] - WANG Peng Beijing Research Institute of Coal Chemistry,China Coal Research Institute,Beijing 100013,China)
As an important energy resource,advanced biomass utilization technology and idea had already been developed in country comprehensive stratagem of Japan.So investigation on the research fruit in this field of Japan can improve the utilization of abundant biomass resource of China greatly.
2006 03 [Abstract][OnlineView][Download 97K]
2006 03 [Abstract][OnlineView][Download 83K] - LIAO Xiang-guo1,SUN Li-mei2(1.Tianzhuang Coal Cleaning Plant of Tian`an Coal Company Limited by Shares in Pingdingshan,Pingdingshan,467013,China;2.Chemical Engineering and Environment Institute,China University of Mining and Technology(Beijing),Beijing 10083,China)
The practice process of the technological parameter of raw coal sizing screen rectified by Tianzhuang Coal Cleaning Plant was introduced in this paper,and it also gropes for the traditional size range of lump coal and slack coal.
2006 03 [Abstract][OnlineView][Download 31K] - ZHOU Zhong-qin1,WANG Fei-hu1,WANG Heng1,LI Zhen-qi2, LIU Yu-miao2,LI Li-fang2(1.Linhuan Coal Cleaning Plant,Huaibei Mining(Group) Company,Anhui,Huaibei,232407,China;2.Tangshan Guohua Science and Technology Ltd.,Tangshan,Hebei,063020,China)
This paper analyse the difficulties of disposing slime water in Linhuan coal cleaning plant,and emphasized the application and effect of the innovative technology of mineral coagulant(MC).
2006 03 [Abstract][OnlineView][Download 59K] - YAN Zhi-cheng1,DUAN Zhi-jun1,LV Zhong-quan2(1.Beijing Huayu Engineering Co.Ltd.China Coal International Engineering Group Co.,pingdingshan,467000 China;2.The plant of he'nan tianhong coking Ltd.,pingdingshan,467000,China)
Aimed at the practical situation-the ash of flotation concentrate is higher than it of concentrate exports in production,the way to reduce the ash of flotation concentrate is discussed.
2006 03 [Abstract][OnlineView][Download 24K] - FAN Zhong-xiang,WANG Bao(Coal Cleaning Plant of FanGezhuang Mining Branch Office,KaiLuan Cleaned Coal Ltd.Tangshan,063109,China)
The analysis of feasibility and effect of disposing flotation tailings with pressure filter has been introduced,and it is without precedent in using this technology to dispose the flotation tailings.
2006 03 [Abstract][OnlineView][Download 21K] - LIANG Cai-xiang(Coal Cleaning Plant of Huopu Coalmine,Panjiang Coal Electric,Pan Country,Guizhou,553539,China)
In order to arouse the coal cleaning workers' understandings of the exceptional phenomenon that the density of circulating media could not increase or unstable even increased in heavy-medium separation,we pointed out the reasons of this phenomenon by analyzing every process sectors.Through ascertaining appropriate seam exploitation ratio,strengthening the management of equipments and coal cleaning technology,and investing reasonable,this phenomenon was stopped.
2006 03 [Abstract][OnlineView][Download 26K] - XU Yong-sheng(Tiandi Science of & Technology Co.,ltd,Tangshan Branch Tangshan 063012 China)
The paper presents the design,working principle,process flow sheet,characteristics and application scope of the pneumatic dry separator.Illustrates that the dry separation of coal is a useful supplement method of the three kind major processes for coal separation with its special features.This process can offer the user with considerable economic and social benefits subject to the rational selection and correct application of the separator.
2006 03 [Abstract][OnlineView][Download 49K] - LI Xue-fei,ZHANG Wen-hui,DU Ming-hua(Beijing Research Institute of Coal Chemistry,CCRI Beijing 100013,China)
The pollution of nitric oxide and the method of denitration were introduced.The denitration by dry process were investigated from the view of governing technology.Including catalytic reduction,absorption and plasma.The characteristics,fundamental and development of the ways were summarized.
2006 03 [Abstract][OnlineView][Download 102K] - WANG Wen-sheng1;SU Jun-lin2;JIAO Zhen-wei2(1.Northeast Electric Power Research Institute,Shenyang,110006,China 2.Thermal Energy Engineering Department,Jilin University,Changchun 130022,China)
Considering the differences of the industrial honeycomb briquette in price and quality,and the constraints of total content 100% and the minimum and maximum contents of every briquette factor in optimizing proportion of the industrial honeycomb briquette,we established a regression equation of the industrial honeycomb briquette by applying the symmetry-pure form design and the regression analysis.the regression equation of the industrial honeycomb briquette was established.Based on the experimental data and regression equation,an optimum scheme for practice was founded.The research indicated that the obtained allocated proportion specimen has the good energy-conservation and the environmental protection effect.
2006 03 [Abstract][OnlineView][Download 152K] - GUO Yan-hong(The Province Level Important Laboratory of Chemical Reaction Engineering in Shanxi,Chemical Engineering Institute of Yan`an University,716000,Yan`an,China)
Some different metamorphic grade coals surface character was changed through the hypothermia thermal transnature in order to influnce the rheidity of coal-oil-water ternary material.The research of the rheidity of material indicates that low temperature thermal treatment of slurried coal can alter the rheidity of slurry.The yield pseudoplasticity of slime was related to the content of oxygen containing functional group and mineral substance on the coal surface.Higher hydrophilicity of coal surface was advantage to the improvement of the yield pseudoplasticity of slime.
2006 03 [Abstract][OnlineView][Download 59K] - GUO Zhao-bing1,WU Guo-guang2,ZHENG Zheng3,ZHENG You-fei1(1.Department of Environmental Science & Engineering,Nanjing University of Information Science & Technology,Nanjing 210044,China;2.School of Chemical Science and Technology,China University of Mining & Technology,Xuzhou 221008,China;3.Environmental School,Nanjing University,Nanjing 210093,China)
The additives for coal water slurry(CWS) were prepared using the effective components of naphthalene oil and anthracence oil.The functional groups of additives have been investigated by Fourier Transform Infrared Spectrography(FTIR),indicating that the additives are some aromatic compounds with-CH2-,-SO3-functional groups.Experiments of CWS' preparation with the additives synthesized and naphthalenesulfonic acid formaldehyde condensation product show that the mixtures of the additive from naphthalene oil and anthracence oil have a good property.Additionally,mechanisms for additive improving CWS' property have also been studied.
2006 03 [Abstract][OnlineView][Download 78K] - FU Ke-ming1,2,LU Mai-xi1,ZHU Hong3(1.China University of Mining &Technology(Beijing),Beijing 100083,China; 2.Jiaozuo University,Jiaozuo,Henan 454100,China; 3.The housing development compang of housing managent bureau,Jiaozuo,Henan 454151,China)
The paper studies on the principal technologies on coal desulfurization and retardant mechanism of cement retarder and active mechanism of cement mixed material.As a kind of cement retarder,normal setting time and good effect for mechanical properties and soundness of cement can be got when adding desulfurization gypsum in cement,so it can used instead of natural gypsum to produce cement entirely,coal gangue is activated and coal ash desulfurized have good active,can improve cement output and also can depress consumption when them be used as mixed material,have well economic and environmental effects.
2006 03 [Abstract][OnlineView][Download 33K] - WANG Long-qui1,ZHANG Ming-xu1,Ou Ze-sheng2,SHEN Guo-juan1(1.Auhui University of Science and Technology,Huainan 232001,China 2.Chemical Institute,China University of Mining and Technology,Xuzhou 221008,China;)
Bioconversion of coal is a new way to utilize coal.This paper,entering on the course of forming and the structure of coal,expatiates several kinds of biosolubilization mechanismthe,selection of biosolubilization strains,biosoluble coals,the character and configuration of bioconverted products and applications of biosolubilized coal products and discusses the actuality of studying bioconversion of coal.It points out the important studying aspects in this field in the future are to seek better strains,to grope for new approaches to utilize of biosolubilized coal products and take out chemical combination with accessional value from biosolubilized coal products?
2006 03 [Abstract][OnlineView][Download 76K] - TAO Xiao-hua,ZHANG Zhong-xiao,CHEN Guo-yan,ZHOU Tuo,CHEN Long (Power Engineering Institute of Shanghai Science and Technology University,Shanghai,200093,China)
A skeletal kinetic modeling of natural gas reburning was build.It included 40 species and 111 reaction equations.The NOx emissions of different coals by natural gas reburning under the temperature of 900 to 1200 centigrade were studied on an one-dimensional test-bed.The experimental results showed that the main coal type had little effect on NOx reduction,more NOx were reduced under higher temperature,and the amount of reburning gas ensured the reburning efficiency.The modeling calculation had a similar trend with the experimental result.
2006 03 [Abstract][OnlineView][Download 139K] - Wang jun1,Liu Da-sheng2 (1.The Thermal Engineering School of Shandong Institute of Architecture and Engineering,Jinan,250014; 2.Shandong Academy of Environmental Science,Jinan,250013)
Hot water boiler is widely used in our country,we take a 1.4 MW hot water boiler as an example to test its aerodynamic field.By changing the arch to establish different status and testing it with seven-hole-probe,it indicates that the arch can influence the inner burning status of the boiler.The technical improvement is beneficial to energy-conservation.
2006 03 [Abstract][OnlineView][Download 36K] - GAO Hong-ge,CHEN Li-hui,HUANG Wei,TIAN Yuan,WU Jia-feng(Shangdong University of Science and Technology,Qingdao,Shangdong,266510,China)
The decomposing rate at different temperature can be obtained by putting CaSO4 to high temperature area directly,which used the improved auto-sulfur-fixation instrument.The dynamic equation of CaSO4 decomposing was calculated by applying physical-chemistry thermodynamics function,and the conclusion that the influence of temperature to activation energy isn't notable within a definite range also been proved in this paper.
2006 03 [Abstract][OnlineView][Download 69K] - QI Feng(Beijing Coal Group Limited Liability Company,Beijing,102300,China)
Through analyzing and summarizing the research results of design coal,checking coal and gangue burnt in CFB(1MWth),we got a mass of important technical data of Wuhai gangue burnt in this CFB manner.These data also offered technical basis for designing CFB boiler and boiler island system of Beijing coal group limited liability company.
2006 03 [Abstract][OnlineView][Download 99K] - ZHOU Chang-li(Hebei College of Industry and Technology,Environment and Chemical Engineering Department,Shijiazhuang,Hebei 050091)
This paper analyzes some of flue gas desulfurization in wet way,such as the fundament,the desire of desulfurizer,the type of desulfurization,technics and primary sweetener.The technology of sulfur removal with limestone/lime-plaster is stressed.
2006 03 [Abstract][OnlineView][Download 23K] - SUN Zhi-ao,JIN Bao-sheng,LI Yong,ZHOU Shan-ming (Department of Thermal Engineering,Southeast University,Nanjing 210096,China)
This paper briefly presents a large scale software ASPEN PLUS for process simulation.The model for simulation of Wet FGD is developed with the software of ASPEN PLUS.The selection methods for stream parameters and unit operation models,and the calculation methods for sensitivity analysis and design specification are introduced.According to the theory of gas-liquid transfer mass,the chief factors of affecting desulphurisation efficiency are L/G ratio?Ca/S ratio and velocity of flue gas.The simulation results show that desulphurisation efficiency increases with increasing L/G ratio?Ca/S ratio,and with decreasing velocity of flue gas.The results are consistent with those of the original design,which could provide basis for optimisation design.
2006 03 [Abstract][OnlineView][Download 70K] - JIANG De-hua(Oil Shale Electric Generation Ltd.of Yue Electricity,Maoming,Guangdong,525000,China)
This paper introduces the combustion characteristic of oil shale in Maoming,including physical and chymic character,the characteristics of ignition,fire,low-load stationary combustion,burn exhauste,hold on fire,and cokability.By analyzing the feasibility of Maoming oil shale burning in CFB,some suggestions on the design of large CFB for oil shale which are much significative were given out.
2006 03 [Abstract][OnlineView][Download 23K] - LIU Xue-bing(Shandong Huaju energy limited joint-stock company,Zoucheng,Shandong,273500,China)
According to the comparison of industrial application and economy,which are of the technology of sulfur removal in circulating fluidized bed boiler,it is believed that the circulating fluidized bed boiler adopts blending way to decarbolize,which is feasible in technique and the cost of desulfurization is lower.This way of desulfurization is fit for the demands of environmental protection in china these days,and has a better practibility.
2006 03 [Abstract][OnlineView][Download 48K] - ZHAO Qi,CHEN Ming-bo,SHANG Tie-cheng,ZHANG Yang,QU Si-jian(Beijing Research Institute of coal Chemistry,China Coal Research Institute,Beijing 100013,China)
To ensure the quality of coke,anthracite is used farthest in the carbonization of coal.1/3coking coal,fat coal and primary coal are reasonably blended,by analyzing the feed coal.Coal blending tests by the tamping coking process are carried through and high quality coke of which the quality reaches coke.,the top rank metallurgical coke is produced.
2006 03 [Abstract][OnlineView][Download 34K] - GONG Zhi-jian1,TIAN Yuan-yu1,LI Wen-hua2,XU Zhen-gang2(1.Shan Dong University of Science and Technology Faculty of Chemical and Environmental Engineering,Qingdao 266510 China;2.China Coal Research Institute Beijing Research Institute of Coal Chemistry,Beijing 100013 China)
In order to examine the desulfurization activity of iron oxides at ambient temperature,the author did TG analysis on the prepared iron oxide hydroxides and iron oxides,and basically made clear the process of crystal phases transformation in heat treatment of FeOOH and FexOy,which is also helpful in preparing low and ambient temperature gas desulfurizer with high activity and with resistance to temperature changes.
2006 03 [Abstract][OnlineView][Download 134K] - LV Yi-bo1,2,PENG De-qiang2(1.Chemical Engineering and Environment Institute,China University of Mining and Technology(Beijing),Beijing,10083,China;2.School of Science and Technology of Heilongjiang,Ha `erbin,Heilongjiang,150027,China)
Based on the principium of picture management,we analyzed the coarse coal picture and characteristic parameter of this picture to extracted some physical features,such as particle form parameter of coal,diameter and gray-scale value using some picture identify software.Quantify analysis of the average diameter connection,average gray-scale value connection,and average form coefficient connection of the corresponding coal particles in the Float-and-sink size fraction experiment of some size levels which were 3~2mm,2~1mm and 1~0.25mm had been done in this paper.
2006 03 [Abstract][OnlineView][Download 150K] - SU Li-qing1,LIU Wei2,ZOU Fang-lu1,ZHANG Xiao-dong1(1.Yantai Energy Monitoring Center,Shandong,264001,China; 2.Longda Group Thermoelectricity Ltd.,Laiyang,Shandong,265200,China)
This paper introduces the influences of some coal physical natures to coal burning,so as to better understand the impacts of coal quality to electric production.
2006 03 [Abstract][OnlineView][Download 22K] - ZHAO Yan,WEN Xiang-xin(Coal Product Quality Monitoring and Inspection Institute of Guizhou Province,Liupanshui,Guizhou,553001,China)
Based on the detailed introduction of coal moisture distribution,a phenomenon was put forward in this paper that some enterprises and individual labouratories did not strictly enforce the GB/T212 criterion in coal testing,neglect the importance of coal moisture to coal testing,as a result that the same sample had inconsistent test results and dissensions of coal quality was induced.
2006 03 [Abstract][OnlineView][Download 47K] - LIN Qiao-yu,ZHAO Xue-dao(Integrated Laboratory of Xinjiang Coal Exploration Office,Wulumuqi,Xinjiang,830091,China)
This paper mainly introduces the comparison of spectrophotometric analysis and colorimetry.
2006 03 [Abstract][OnlineView][Download 38K] - XU Wei-dong1,2,CHEN Run-yang1 (1.Civil and Environmental Engineering College,East-China Institute of Technology,Jiangxi Fuzhou,344000,China;2.The Institute of Hydrogeology and Environmental Geology Shijiazhuang Hebei 050061,China)
The coal-gangue influences,one of the mainly sources to the ecological environment of mining area,has already taken up a large amount of land,polluted the environment seriously.This text takes stone coal-gangue field of Fushun as an example,has explained the function mode of the coal-gangue,we probed into the environmental hydrogeology process of coal-gangue,such as the weathering function of the pile body from the coal-gangue,fire function of spontaneous combustion,dissolving and filtrating function,water dynamics function and ecological effect of environment,etc.,have know the mechanism of the environmental pollution around and polluted the current situation tentatively of the coal-gangue field in Fushun.
2006 03 [Abstract][OnlineView][Download 66K] - CHEN Zu-yun1,2,AI De-chun1 (1.School of Mining and Safety Engineering,China University of Mining and Technology,Xuzhou,221008,China;2.School of Environmental and Architectural Engineering,JiangXi University of Science and Technology,Ganzhou,341000,China)
A large amount of dust produced in mining process threatened coal mine production in safety and polluted environment.Through actual measurement on the spot in the fully mechanized top-coal caving face,the research analyzed the fundamentals of coal production and diffusion,put forward some measures of cleaned mining,thereby decreased dust concentration and improved the working environment greatly,realizing production of safety and high efficiency production.
2006 03 [Abstract][OnlineView][Download 25K] - ZHU Wei-ping(Pingdingshan Institute of Technology,Pingdingshan,Henan 467001)
The coal industry is one of the pillar industries of Pingdingshan's economic development.The groundwater resource is abundant in mine field,but the stable state is destroyed because of the mining and the groundwater resource is polluted seriously at the same time.After many years of study,coal mine wastewater is recycled,which not only sufficed the use of the domestic and industrial water,saved a huge amount of money for the Pingdingshan Coal Co.Ltd,but also improved the environmental qualification of mine field and had remarkable environmental benefit,social benefits and economic benefit.
2006 03 [Abstract][OnlineView][Download 29K] - YAN Guo-xiong(Yongdingzhuang Coal Industry Company,Datong Coalmine Group Company,Datong,Shanxi,037024,China)
This paper points out that the geological and factitious factors in the process of mining strictly influenced the coal quality of this production mine shaft.
2006 03 [Abstract][OnlineView][Download 14K] - GUO Jia(Datong Coalmine Group Company,Datong,Shanxi,037024,China)
Through economizing energy and reducing consumption,energy was efficiently utilized,surrounding environment was protected,labor productivity was also improved,and it also promoting the sustainable development of mining company.
2006 03 [Abstract][OnlineView][Download 21K] - ZHANG Ai-min(Dongpang mine coal preparation plant,Hebei Jin Niu Stock-company,Neiqiu,Hebei 054201,china)
The automatic control system can remarkabley upgrade the corporation coal preparation manufacturing process.Seting up automatic control network in large-scale plant can effectively upgrade the production efficiency,the transmission speed and quality of information.The application of modern communications technology in control system can accelerate the overall situation dispatching and the whole management level upgrading of coal preparation plant.
2006 03 [Abstract][OnlineView][Download 59K] 下载本期数据