the necessity and practicality of raising the quality and processing characteristics of ash and slag...

THE NECESSITY AND PRACTICALITY OF RAISING THE QUALITY AND PROCESSING CHARACTERISTICS OF ASH AND SLAG WASTE OF

THERMAL POWER PLANTS FOR THEIR SUCCESSFUL USE IN PRODUCTION OF CEMENT AND OTHER CONSTRUCTION MATERIALS

Goldstein, L.Y., Cand. Eng. Sc., Science Editor, ALITinform: Cement. Concrete. Dry Mixtures International

Analytical Review, St. Petersburg, Russia

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

The process charts of combined generation of electric power and fused Portland cement clinkerТехнологические схемы GgGпортландцементного клинкера

a) option with combined use of oil share;

b) option with combined use of coal

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

A pilot power clinker (power slag) facility

Comparative microstructures of clinkers of various competition

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

(left to right: SF = 0.72; 0.77; 0.82; 0.94; 1.00)

а) produced by the fusion method;

b) produced by the baking method.

The characteristics of fusibility of charge mixes based on the mineral parts of:

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

а) Baltic combustible shale; b) Nazarovo (Kansk-Achinsk) coal; в) Ekibastuz coal;

t1 — temperature at the beginning of deformation, °C;

t2 — softening temperature, °C; t3 — starting fluid temperature, °C

Microphotographs of shale and ash granulated fuel slag

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

Б: belite (reflected light)

Microphotographs of granulated fuel slag of coal from the Beryozovo field of the Kansk-Achinsk basin (East Siberia)

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg,

А: alite, Б: belite (reflected light)

Changes in vitreous phase structure

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

Comparative porosity analysis of fuel and blast-furnace slags

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia

1) blast-furnace slag;

2) blast-furnace slag (granulated)

3) fuel slag;

4) fuel slag (granulated)

THANK YOU FOR YOUR ATTENTION!

“ALITinform: Cement. Concrete. Dry Mixtures” International Analytical Review, St. Petersburg, Russia