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1995 02 v.1;No.2 [Abstract][OnlineView][Download 222K]
1995 02 v.1;No.2 [Abstract][OnlineView][Download 159K] - Wu Shiyu (Division of Coal Preparation, Production Department, Ministry of Coal Industry)
The energy structure, characteristics of coal quality and the status of coal preparation and utilization in China are introduced in this paper. One of the priority research of projects in clean coal technologies is coal preparation and processing. The development routes of coal preparation and processing technology are put forward.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 98K] - Li shilun (Beijing Research Institute of Coal Chemistry ,Central Coal Mining Research Institute)
This paper introduces the -work progresses and achievement in the research and development of briquette in CCMRI since its establishment, Several industrial briquette technologies are reviewed and evaluated. Author also make a suggestion to the study projects in future.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 217K] - Yu Yongnian
(Central Coal Mining Research Institute)
The development in coal water fuels (CWF) production and utilization have achieved an advanced stage as a near commercial technology. Commercial viability is prejudiced by the currently low world oil prices. However, CWF exhibits significant technical benefits as an alternative clean coal technology option to traditional run-of-mine or washed coal. The production of CWF incorporating advanced physical coal cleaning process in integrated minemouth coal washery singonificantly reduces costs and produces the lowest quantity of environmentally polluting wastes in the overall coal utilization cycle. CWF can be stored, handled and transported and furure tendency of coal water fuel teehonlogy are discussed in this paper.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 300K] - Luo Zhenfu Xing Hongbo He Jingrnin
(China University of Mining and Technology)
The research and application of dry cleaning terhnology are outlined in this paper. It is suggested that, making great efforts to develop high efficiency dry cleaning technology is a task of top priority. An application prospect of air heavy medium fiuidized bed dry cleaning of coal technology is discussed.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 143K] - Liu Shu ping
(Anshan Research Institute of Thermo-Energy)
The pneumatic selective crushing technology (PSC) as a pretreatment method of coking coal was developed In the 1970's, which can rationally crush coal by the processes of pneumatic grading and selective crushing according to the difference of petrographic group, the non-uniformity of minerals of cleaned coal. The quality of coke derived from the PSC can he desireously improved; M25 increased by 1%-2%; M10 decreased by 0. 7%-1.2%; the productivity of coke oven rises by 1 %-2% ; the coke ratio is reduced by 1 % ; the productivity of the blast furnace is increased by 1%-2%. This paper decribes the present situation, the effect and the future of the PSC application.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 89K] - Liu Wenxin
(Beijing Reseach Institute of Coal Chemstry,Centr(?))
Minsuyshi Yamanoto Takeshi Komnigawa
(Goornment Industral Decelopment (?))
This paper has given the restultsof agglomeration of three China Coal for deashing, which was performed at Government Industrial Development Laboratory. Hokkaido. Japan. Agglomeration lest mainly in eluded I he investigal ion of effect of different oil dosage on coal recovery and dcash efficiency. The lest results have shown that I he highest recovery of coal is 99% and deash efficiency is 20% using neutral oil of liquified fuel and waste cooking oil as agglomeration oil.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 74K] - Du Minghua Dai hewn Yu Zhufeng
(Beijing Research Institute of Coal Chemistry,Cenural Coal Mining Research Institute)
The paper introduces the Multi-singe Rotary Furnaces (MRF)mild gasification process of low rank coal,the development situation and preliminary analysis of commercinlization of the process,The research results such as the properties of raw material and products ,and the utilization routes of products are also given.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 219K] - Shen Hongjia
(Beijing Research Institute of Coal Chemisitry,Central Coal Mining Research Institute )
This paper mtroduces the research and production of high density foundry coke with high quality coking coal in Shanxi province.A coke plant was established to adopt this technology and the producis exported abroad.A suggsuon is that,to develp high density foundry coke production based on the coking coal resources in Shanxi province is efficient and relistic route for conve rting the resource superiority to economic superiorty.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 311K] -
1995 02 v.1;No.2 [Abstract][OnlineView][Download 290K] - Zhang Zhongxiao (Haerbin Power System Engineering and Research Institute)
The experiment results on the reduction of NOx emission by staged air combustion have been introduced. The experiments are carried out on a 0. 5 MW testing unit. The fuel used in the experiments is a mixture of two kind of bituminous coals and plant fuels (mainly the pieces of bamboo). The flame and gas characteristics in the furnace have been discussed under staged air combustion conditions. The exhaust gas exhibits that both the oxidizing character and the reducing character are exist. The NOx produced in the oxidizing region have been reduce back to N2 in the reducing region. The experiments results show that the NOx emission could be significantly reduced by staged combustion.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 233K] - Song Changyu
(Orient Boiler Plant)
This paper introduces briefly the development status of circulating fluidized bed combustion (CFBC) in domestic and abroad. One of the key technology problems, which is needed urgently to solve, is that, to control strictly the coal particle distribution in the operation of domestic produced circulating fluidized bed boiler is put forward through to survey the operation situation of CFBC in many plants. At last, a few of suggestion for operation improvement are also discussed.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 175K] - Li Shuzhi
(Tangshan Branch Central Coal Minning Research Intitute)
The effect of land urface subsidence after coal mining on the ecosystem destruction of land resources and building is discussed in this paper.The comprehensive protective technology routes are suggested based on the subsidence control and takled.Depend upon the national condition,the developement tendency of comprehensive protective teehnologies is also discussed.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 258K] - Xu Zhengang (Clean Coal Engineering and Research Center of Coal Industry)
Approximately 44 percent, or about $3 billion, of the total clean coal technology. Program costs (about $ 7 billion for 45 projects) in the United States is directed toward 7 IGCC projects, which demonstrate almost all the gasification technologies of a new generation including CE, Texaco, Destec, KRW, U-GAS, BG/L and COREX, and the newly developed hot-gas cleanup technologies.
1995 02 v.1;No.2 [Abstract][OnlineView][Download 290K]
1995 02 v.1;No.2 [Abstract][OnlineView][Download 112K]