钢铁钒钛

MATHEMATICAL MODEL ON BOF'S LINING LIFE OF PANGANG

Tang Tianyu, Du Dexin, Liu Xiaocheng, Xu Weihua, Li Zhi

1995, 16(2): 1-8.

Abstract(79) PDF(0)

Abstract:
This study applies statistics,mathematical correlation analysis and cybernetics to parameters control and data processing in BOF steelmaking process. The mathematical analysis is combined with steelmaking theory,so as to obtain the equivalent relation between process parameters,lining materials and ...

STUDY AND APPLICATIONS OF ABRASION RESISTANT LINING PLATE──USED IN THE FEEDING, CONVEYING AND MIXING SYSTEM FOR BF

Qing Shangsheng, Chen Jingju, Luo Chuanyue, Liu Shufang

1995, 16(2): 9-15.

Abstract(63) PDF(0)

Abstract:
This paper investigates the characteristics of KmTBCr25Ni2MoV high chromium cast iron which is produced as cast,air quenching and as cast fast cooling,and the effects of carbon content on its abrasion resistance and mechanical properties.By using as cast fast cooling technology and improving the fra...

STUDY ON PREPARATION OF HIGH PURITY TiO₂ HYDROLYSIS OF TITANIUM ALKOXIDES

Hu Hongfei, Zhang Ronglu, Li Dacheng, Zhou Dali

1995, 16(2): 16-21,29.

Abstract(82) PDF(0)

Abstract:
The synthesis method of titanium alkoxides has been introduced.In inert solvent,the process of preparation of TiO₂ particles by hydrolysis of self-made titanium alkoxides is described.The effects of the concentration of reactants,the temperature, amount of water,the stirring rate,dispersants,the dry...

EXPERIMENTAL STUDY ON 45CrMnMo STEEL FOR OIL DRILL COLLAR

Qian Yonglan

1995, 16(2): 22-29.

Abstract(64) PDF(0)

Abstract:
In this paper,the effects of chemical composition of the steel for oil drill collar on its properties were studied and the heat treatment process were optimized.The results show that the 45CrMnMo steel,with high hardenability and excellent combined mechanical properties,is an ideal material for maki...

A PROJECT OF PANGANG'S BOF STEELMAKING PROCESS COMPUTER CONTROL SYSTEM

Yang Shubo, Du Dexin, Ji Kebin, Li Zhizheng, Tu Xuyan, Zhang Guolin, Liu Cheng'an

1995, 16(2): 30-35,46.

Abstract(70) PDF(1)

Abstract:
By overviewing the recent worldwide development of the Cornputer Control System Structure(CCSS)in BOF steelmaking process and its prospect,and considering the reality of BOF steelmaking process in Pangang,it is concluded that an artificial intellectualizing,accumulizing and multiplizing control syst...

A MATHEMATICAL MODEL OF HEAT TRANSFER OF THE SPRAY COOLING MOLD OF CASTER

Xue Nianfu, Wang Yuanzai, Zhou Junqing

1995, 16(2): 36-40.

Abstract(84) PDF(0)

Abstract:
Based on an understanding of the solidification features of slabs in moulds,the mathematical model of heat transfer of the spray cooling mold has been proposed.The metallurgical parameters of the conventional recirculating water cooling and the spray cooling molds have been calculated respectively.T...

EXPERIMENTAL STUDY ON PERFORMANCE OF CYCLONIC DISTRIBUTORS USED FOR BF COAL INJECTION

Yang Shaoli, Shen Yishen

1995, 16(2): 41-46.

Abstract(54) PDF(0)

Abstract:
Laboratory-scale experimental investigations on characteristics of the three types of cyclonic distributors(Long-column, Short-column and ball types)developed were performed.The experimental results show that solids through long-column type distributor is most even-distributed;its distribution devia...

THE EFFECT OF TITANIUM ON VANADIUM REDUCTION IN SMELTING REDUCTION SLAG OF THE SYSTEM CaO-SiO₂-Al₂O₃-Mgo-TiO₂-V₂O₅

Feng Keqing

1995, 16(2): 47-50,55.

Abstract(60) PDF(1)

Abstract:
By simulating the smelting reduction process,experiments were conducted to study the coupled reaction between V-Ti in the CaO-SiO₂-Al₂O₃-MgO-TiO₂-V₂O₅ slag and carbon saturated iron melts.And the effect of titanium on vanadium reduction in various laboratory conditions was investigated.

SLAG OXIDE-METAL ELEMENTS EQUILIBRIUM AND REACTIONS IN THE PRODUCTION OF FERROSILICO-TITANIUM

Yang Baoxiang

1995, 16(2): 51-55.

Abstract(52) PDF(0)

Abstract:
The paper describes the reactions and the slag oxide-metal element equilibrium between the slag system TiO₂-CaO-MgO-SiO₂-Al₂O₃and alloy system Ti-Si-Fe. The Pangang blast furnace TiO₂ slag,ferrosilicon and lime were mixed and fed into 200kVA DC electric furnace. Reaction occured in the state of molt...

DECOMPOSITION KINETICS OF APV

Xu Tao

1995, 16(2): 56-59.

Abstract(61) PDF(1)

Abstract:
This paper describes the decomposition process of APV under nitrogen and oxidizing atmosphere by making use of the latest thermal ananlysis technology. By means of calculation of its thermal dynamics and kinetics,the decompsition heat,activation energy and reaction order under different atmosphere h...

PRODUCTION, DEMAND, SUPPLY AND PRICE OF REINFORCED BAR IN THE INTERNATIONAL MARKET

Shan Lingtian

1995, 16(2): 60-69.

Abstract(59) PDF(0)

Abstract:
The production of micro-alloved and hot-rolled,residual heat treated and cold-rolled reinforced steel bars by foreign Steelmakers is surveyed.A comparison is made between the three grades in terms of their advantages and disadvantages as well as their application fields.
Owing to the economic recover...

1995 Vol. 16, No. 2