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Home Industrial Technologies Cavitational-Pulse Technology of Fine-Dispersion Water-Coal Fuel Preparation

Cavitational-Pulse Technology of Fine-Dispersion Water-Coal Fuel Preparation

Description

Use of the phenomena of periodically stalling cavitation in slurry flow for dispersion and homogenizing of water-coal slurry to obtain fine-dispersed water-coal fuel which can be used for the direct burning in boiler heat furnace, and the use of cavitational-pulse generator to realization of the technology.

Innovative Aspect and Main Advantages

  • use of direct burning in heat boilers without preliminary drying and dehydration;
  • considerably less energy consumption to obtain product unit (4-6 times);
  • absence of moving parts and automation elements in cavitational-pulse dispergator design and the facility design simplicity;
  • high productivity;
  • wide range of cavitational-cumulative action control;
  • after one pass through the dispergator the acquisition of stable fine-dispersed water-coal mixture is provided. It has 65% of coal.

Areas of Application

Power machine building, heat stations, municipal engineering boiler plants. Besides of power machine building plants, manufacturers of chemical, metallurgical, pulp and paper production can use the technology.

General view of the facility to prepare water-coal mixture
Fig. 1 General view of the facility
to prepare water-coal mixture

Experimental sample of the cavitational-pulse dispergator
Fig. 2 Experimental sample of the cavitational-pulse dispergator
to work out the operational regimes with different types of coal.

Stage of Development

The technology of fine-dispersion water-coal fuel preparation was worked out at the institute hydrolaboratory with slurry of different types of coal. It was shown that the cavitational- pulse dispergator characteristics practically do not depend on slurry viscosity and density.

Contact Details

Institute of Technical Mechanics of NASU and NSAU
Contact person: Prof., Director Oleg V. Pylypenko
Address: 15, Leshko-Popelya str., 49005, Dnepropetrovsk, Ukraine
Tel: (+38 0562) 465 046
E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

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