Research on coke-oven heating technology and the properties of coke as a blast-furnace fuel. [UKhIN]

Journal Article · Tue Jan 01 04:00:00 EST 1980 · Coke Chem. USSR (Engl. Transl.); (United States)

OSTI ID:5648031

Vasil'ev, Yu S; Semisalov, L P

A fundamentally novel coke-oven system was designed at Giprokoks (underjet, with bottom gas and air regulation) on the basis of data from model experiments. In particular, when batteries of 41.6 m/sup 3/ coke ovens were developed, the results of model tests led to major modifications to the original designs for the regenerator zones, sloping ducts and flues. UKhIN investigations on hot and hydraulic models, using modern mathematical procedures and computers, were used to study the details of heat exchange and gas flow in the regenerator packings under coke ovens. Criterial equations were derived for the coefficients of heat transfer by convection and of hydraulic resistance, covering the specific features of regenerator performance in coke-oven heating systems. Much useful information for the advance of coke-oven technology has been obtained from laboratory, pilot and fullscale plant studies of the thermal properties of coals and blends. Investigations (including blast-furnace trials) in connection with the commercial adoption of dry coke cooling established that during its soaking in the storage chamber the coke undergoes changes in molecular structure, to an extent dependent on the time and temperature. Recommendations based on this research significantly improve the coke strength properties and extended the range of usable coal supplies. Traditionally, the Institute is greatly interested in the problem of coke yields, which has now become very urgent in connection with the use of higher proportions of grade G and other coals with high volatile matters. Detailed studies have been made of the effects of various processing factors on the yields of saleable and metallurgical coke.

• OSTI ID: 5648031
• Journal Information: Coke Chem. USSR (Engl. Transl.); (United States), Journal Name: Coke Chem. USSR (Engl. Transl.); (United States) Vol. 6; ISSN COKCA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010401* -- Coal & Coal Products-- Carbonization-- (-1987)
ASIA
CARBONACEOUS MATERIALS
COAL
COKE
COKE OVENS
COMPARATIVE EVALUATIONS
DESIGN
EASTERN EUROPE
ENERGY SOURCES
ENERGY SYSTEMS
ENERGY TRANSFER
EUROPE
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
HEAT TRANSFER
HEATING SYSTEMS
MATERIALS
MATHEMATICAL MODELS
QUENCHING
REFRACTORIES
RESEARCH PROGRAMS
SIZE
TESTING
USSR
YIELDS