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Vol 147
Pages:
161-163
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RUS
Research article
Without section

Development of technology for preparation of water-coal suspensions for combustion in furnaces of steam boilers and combustion chambers of gas-turbine plants

Authors:
V. I. Aleksandrov
Date submitted:
2000-07-20
Date accepted:
2000-08-10
Date published:
2001-02-01

Abstract

Coal-water slurry (CWS), which is a hydro mixture of ground coal and water, can be regarded as a technological type of power-plant fuels. Provided that necessary requirements are met during CWS preparation, CWS can make a valuable alternative to traditional types of liquid and gaseous power-plant fuels, such as natural gas, mineral and boiler oil, for burning in boiler furnaces and combustion chambers of gas-turbine units. To secure power plant conversion using CWS, it is necessary to consider a number of tasks related to the development of requirements for the preparation of CWS from coals of different categories, hydraulic long-distance transportation of CWS and design of CWS injection devices to ensure combustion of suspension jet in a short flame. The general problem of using CWS as a fuel for power plants is considered and general research trends in this area are shown.

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