Subject · Mining engineering
Qara metalların metallurgiyasıTopics
Topic plan
The subject's topics and the learning outcomes attached to each one.
1. Metallurgy of ferrous metals: raw materials and preparatory operations.
LectureIron ores, fuel and fluxes. processes of ore processing and integration (agglomeration, pelletization).
2. Reduction of iron oxides and production of cast iron.
LectureReduction of iron oxides in the blast furnace and processes of production of cast iron and pitch (slag).
3. Cleaning of recycling pig iron and blast furnace gases.
LectureCast iron remelting and recycling. dust cleaning systems of air heater and koloshnik gases from the blast furnace.
4. Iron production outside the frost (sponge iron).
LectureDirect reduction of iron by non-blast furnace methods (rotary furnaces, furnaces, fluidized bed). buying iron in the form of logs.
5. Steelmaking in a bessemer converter.
LectureDirect extraction of steel from ore and the bessemer converter process. features of small bessemer technology.
6. Modern oxygen-converter processes.
LectureDifferent types of oxygen-converter process (ld, ocp, kal-do, etc.). rotor process and the effect of these methods on the quality of steel.
7. Marten furnace: structure and principle of operation.
LectureBasic and sour marten processes. furnace structure, heat exchange and technological progress of steel melting.
8. Electric arc and induction furnaces.
LectureElectrical melting methods. construction of electric arc furnaces. technology of pig iron smelting in induction and induction furnaces.
9. Electric arc and induction furnaces.
LectureElectrical melting methods. construction of electric arc furnaces. technology of pig iron smelting in induction and induction furnaces.
10. Improving the quality of steel: special smelting methods.
LectureVacuum electric-arc, plasma, electron beam melting and electrical resist remelting (esr) technologies.
11. Steel casting technology: ingots and mold casting
LectureCasting of steel in the form of ingots, methods of casting through molds and their technical parameters.
12. Special casting methods: pressure and stamping.
LectureProduction of steel products by pressure casting, liquid stamping and centrifugal methods.
13. Modern casting technologies (vacuum and vibration).
LectureCasting technologies for vacuum suction, thin shell molds, vibration casting and melt models.
14. Structure and quality of ingots.
LectureThe formation of the internal structure of the ingots during the solidification process (crystallization zones). defects in ingots.
15. Defects in ingots and methods of dealing with them.
LectureAnalysis of defects such as gas voids, cracks, liquation and non-metallic inclusions and ways to prevent them.
16. Optimization of metallurgical technologies.
LectureIntegration of the entire process from blast furnace to casting, quality management and comprehensive optimization of modern metallurgical plants.