Wei Shoukun's Major Achievements

Wei Shoukun has been engaged in metallurgical research for nearly 60 years, and about 2/3 of his time is engaged in metallurgical thermodynamics research. After entering the 1980s, he dabbled in metallurgical dynamics.

198 1 year, approved by the State Council Academic Degrees Committee as the first batch of doctoral supervisors in China, and has trained more than 20 master students and doctoral students so far.

Wei Shoukun trained four or five generations of metallurgical science and technology talents for China. Wei Shoukun has been a teaching assistant of Beiyang University since 1930. In 1984, he taught in 10 university and in class for 46 years. He has taught 28 courses.

Teaching and educating people is one of Wei Shoukun's educational characteristics. The first lesson he gave to master students and doctoral students was to educate students to be "both red and professional". Students are warned not to be satisfied with the so-called "cross section" in the field of knowledge, and students are required to pay attention to the advanced nature and practicality when choosing research topics, and the two should be combined. Most of the topics he instructs graduate students are based on the needs of the country and production practice, and then further improve to theory and then guide production practice. Strict caution is another feature of Wei Shoukun's teaching. For example, when one of his graduate students was sorting out experimental data and drawing a curve, they saw something "unsatisfactory" on the curve and deleted it themselves. Wei Shoukun discovered this situation when reviewing student reports, and then added this point. At the same time, he finally got a more accurate experimental result after recalculation and drawing in person. Afterwards, he inculcated the student and encouraged him to "have no vacation in scientific research". Wei Shoukun also used thermodynamic principle and activity theory to solve a series of problems in metallurgical production. For example, desulfurization in the process of steel metallurgy is one of the important problems he solved. Because sulfur is "hot brittle" in the hot working process of steel, desulfurization quality is the key to directly affect the quality of steel. According to different documents, the desulfurization effect of iron oxide is as follows: (1) The less iron oxide in slag, the better desulfurization; (2) The content of iron oxide in slag has no effect on desulfurization; (3) The increase of iron oxide content in acid slag is beneficial to desulfurization; (4) There are four contradictory statements that pure iron oxides can also remove sulfur. In the article "Influence of Iron Oxide Content in Slag on Desulfurization" published by 1964, he used the formula of sulfur distribution ratio derived from the theory of slag total ions and applied the formula of sulfur distribution ratio under the condition of fully quoting activity coefficient, which proved that the above four statements of iron oxide on desulfurization were not contradictory, but were internally related. The different effects of iron oxide on desulfurization display under different conditions can be expressed dialectically and uniformly by the formula of sulfur distribution ratio, thus solving the debate for many years. 1966, Wei Shoukun published "Ion Theory of Desulfurization of Blast Furnace Slag", which further extended the above formula of sulfur distribution ratio to blast furnace. In this paper, a formula suitable for blast furnace desulfurization is summarized with a large number of data:

In lgrfe 2+rs2- =-53.5no2-12.12, the product of the activity coefficients of Fe2+ ions and s2- ions in rfe2+rs2-slag; NO2- mole fraction of O2-ion in slag. So far, there is no similar report in domestic and foreign literature. Through this formula, the desulfurization distribution ratio of blast furnace can be calculated quantitatively.

In the late 1930s and early 1940s, he was mainly engaged in technical improvement of small-scale iron and steel industry and research on comprehensive utilization of domestic mineral resources. MgO used Sichuan dolomite as raw material, through CO2 selective dissolution and "standing after treatment", dolomite containing 0.5% impurities (CaO and R2O3) was prepared. Molybdenum was prepared from carbon reduction process with a purity of 94%. Preparation of ferromolybdenum containing 40% molybdenum by reducing calcium molybdate with ferrosilicon. In 1950s, the activity theory was introduced, and the melting reaction was deeply analyzed by thermodynamics. In 1960s, the ionic theory of slag desulfurization was developed, and a formula for calculating the activity coefficient of S2 ions in blast furnace slag was put forward. In the 1970s and 1980s, the oxygen determination technology of solid electrolyte battery was put forward for the first time in China, and it was applied to the determination of thermodynamic parameters. At the same time, the thermodynamic behavior and removal mechanism of complex mineral impurities in China are studied, the theory of selective oxidation is perfected, and the concept of conversion temperature is put forward for wide application. From the late 1980s to the early 1990s, he and Academician Wang traveled all over the motherland and coastal ports, inspected the development prospects of China's iron ore, coal resources and steel industry, and made a consultation report. In addition, the interactive coefficient of March activity was studied, and it was found that the same experimental data and different operation methods were used to get different data, which attracted the attention of international friends.

Before the founding of the People's Republic of China, People's Republic of China (PRC) obtained five patents, namely, a new method for extracting magnesium oxide from dolomite by using sodium carbonate or ammonium carbonate, a new method for extracting magnesium by removing calcium from dolomite by standing post-treatment, a blending method for manufacturing magnesium bricks with artificial magnesium oxide and a weathering method for strengthening viscosity, a new method for producing ultra-pure ammonium molybdate or molybdic acid by aluminum-iron precipitation, and a new method for refining pure molybdenum by two-step reduction.

The oxygen determination technology of solid electrolyte battery was developed for the first time in China and applied to the determination of thermodynamic parameters.

While studying the theory of selective oxidation, Wei Shoukun took the lead in developing the direct and rapid oxygen determination technology of solid electrolyte batteries in China in the 1970s. This technology was praised as one of the three great inventions of international steel metallurgy at that time in 1974. It can be used to directly measure the oxygen activity in molten steel quickly and accurately, which is the key means to control the deoxidation of molten steel and improve the quality of steel. This technology has been appraised by the Ministry of Metallurgy. Wei Shoukun collected and read a large number of documents at that time, sorted out and compiled a variety of materials, and widely publicized them at relevant academic conferences and units in China, laying a foundation for the domestic steel industry to generally develop this technology. In order to expand the research team, Beijing Institute of Iron and Steel established the Key Laboratory of Solid Electrolyte in 1980s, which made the research of solid electrolyte battery in China at the international advanced level.

Wei Shoukun took the lead in determining the thermodynamic parameters by using the oxygen determination principle of solid electrolyte battery. Co-operated with Baotou Steel to extract niobium from molten iron, and was selected into the scientific research project "Basic theoretical research on separation of raw ore-thermodynamic behavior of niobium in molten iron and steel slag". He measured the activity interaction coefficient of niobium in Fe-Nb, Fe-Nb-Mn and Fe-Nb-Si systems by using a fixed oxygen battery, which provided quantitative thermodynamic analysis data for improving the niobium extraction process at Baotou Steel. He used solid chlorinating agent to remove manganese from niobium chloride slag, which increased the niobium content in niobium-iron alloy from 10% ~ 15% to 60%. The ternary phase diagram of niobium oxide-manganese oxide and silicon oxide which has not been reported in foreign literature is also discussed.

Wei Shoukun, Ni Ruiming, Ma and Cheng Wu first systematically studied the dephosphorization of calcium metal for Si-Mn alloy, and achieved effective results. They also studied the thermodynamic behavior of metallic calcium in manganese liquid. For example, the solubility of calcium in manganese solution, the influence of the third element on the solubility of calcium and the activity interaction coefficient of the third element on calcium are studied, so as to quantitatively calculate the dephosphorization of manganese-based alloys. This project belongs to the international leading level, so it won the prize. He has published 5 monographs and more than 60 papers/kloc-0 at home and abroad. Some of his important research results are included in his two monographs, Thermodynamics of Metallurgical Process and Application of Activity in Metallurgical Physical Chemistry.

Since 1929, when the first paper was published in Mining and Metallurgy, the editor-in-chief of China Mining and Metallurgy Engineering Society, more than 30 papers/kloc-0 have been written and published so far, of which more than 65% are related to the scope of thermodynamics. There are 5 monographs, among which Thermodynamics of Metallurgical Process and Application of Activity in Metallurgical Physical Chemistry are related to thermodynamics, which are well received by metallurgical colleagues at home and abroad.

1. Wei Shoukun, Furnace Body Design, Science,1939 (23): 601~ 615.

2. Wei Shoukun, aluminum smelting and mining in Guizhou Province, reprint number, 1943 (2): 19 ~ 40.

3. Wei Shoukun, dephosphorization in converter steelmaking,No. 1943 (3): 1 ~ 22.

4. Wei Shoukun, Study on Decalcification and Magnesium Extraction from Dolomite in Sichuan, Mining and Metallurgy No.,1944 (4): 92 ~11.

5. Wei Shoukun, study on magnesia oxygen-fired brick, mining and metallurgy number:1944 (4):11~17.

6. Wei Shoukun, Design and Operation of Small New Ironmaking Furnace, Special Issue of Iron and Steel (Chongqing, Institute of Mining and Metallurgy, Ministry of Economic Affairs),1945:1~ 34.

7. Wei Shoukun, Study on Extracting Molybdenum and Molybdenum Compounds from Domestic Molybdenum Mines and Refining Molybdenum Steel, Special Issue of Steel (Chongqing, Mining and Metallurgy Research Institute of Ministry of Economic Affairs), 1945: 84 ~ 104.

8. Wei Shoukun, China Metallurgical Engineering Research for Twenty Years, Science, 1947 (3 1): 67 ~ 72.

9. Wei Shoukun, Design of Open Furnace Steelmaking Plant, Commercial Press, 1954.

10. Wei shoukun, two standard configuration of activity and thermal potential, Journal of Beijing Institute of Iron and Steel,1956 (3):103 ~114.

1 1. Wei shoukun, editor-in-chief, steelmaking major-open hearth furnace structure and workshop layout, metallurgical industry press, 1958.

12. Wei shoukun, the development of physical chemistry in metallurgical process and the future research direction of combined production in China, paper of the second congress of Chinese Metal Society, 1963: 1 ~ 9.

13. Wei shoukun, application of activity in metallurgical physical chemistry, China industry press, 1964.

14. Wei shoukun, influence of iron oxide content in slag on desulfurization, journal of metallurgy,1964 (7):157 ~164.

15. Wei shoukun, ion theory of blast furnace slag desulfurization, journal of metallurgy,1966 (9):127 ~141.

16. Wei shoukun, rapid and direct determination of oxygen in concentration batteries, analytical chemistry, 1974 (2): 59 ~ 69.

Wei Shoukun, Thermodynamics of Metallurgical Process, Shanghai Science and Technology Press, 1980.

18. Wei Shoukun, Hong Yanruo, Thermodynamics and Kinetics of Selective Oxidation of Nickel Sulfide, Nonferrous Metals, 198 1, 33 (3): 50 ~ 60.

19. Wei shoukun, thermodynamics of selective oxidation of elements in matte and molten metal, Journal of Metallurgy,1982 (18):115 ~126.

20. Wei Shoukun, Zhang, Tan Zanlin, determination of iron by solid electrolyte battery? Study on the activity of niobium in niobium melt, rare metal,1983,2 (1):11~ 20.

2 1. Zhang, Wei shoukun, et al. Study on the effect of manganese on niobium activity coefficient in niobium-containing ferromanganese water. Acta Metallurgy, 1984 (20): A348 ~ A356.

22. Zhu Yuankai, Dong Yuanzuo, Wei Shoukun, et al. Study on calcium and arsenic balance in molten steel, iron and steel,1985,20 (10): 38 ~ 44.

23. Wei Shoukun, The role of arsenic in steel and its thermodynamic behavior in molten iron, Proceedings celebrating the 90th birthday of Professor Zhou Zhihong and the 70th anniversary of metallurgical work, Shanghai Jiaotong University, 1986: 74 ~ 8 1.

24. Tong Ting, Wei Shoukun, Hu Mingfu, et al. Study on the activity interaction between niobium and silicon in hot metal. Acta Metallurgy, 1987 (23): B47 ~ B54.

25. Wei Shoukun, Tan Zanlin, Zhu Yuankai, Mn removal of Nb? Bearing Slag Treated by Chlorination in Baotou Hot Metal, 4th Sino-Japanese Symposium on Iron and Steel Technology, Kobe, Japan,1987:199 ~ 213.

26. Wei Shoukun, Selective oxidation of elements in metal melt and its multi-reaction equilibrium, iron and steel research, 1988 (59): 38 1 ~ 393.

27. Wei Shoukun, desulfurization theory of blast furnace slag in Panzhihua, metallurgical science,1989 (5): 313 ~ 318.

28. Wei Shoukun, Ni Ruiming and Cheng Wu. Solubility of calcium in manganese melt and the third? Element interaction effect, steel research, 1989(60):437~44 1.

29. Tan Zanlin, Wei Shoukun, Electrochemical Study on the Valence Change of Niobium Oxide in MnO SiO 2nB2O5 System, Rare Metals (Quarterly),1990,9 (1):1~ 4.

30. Zhang, Wei Shoukun, Li, et al. Study on the activity of bismuth niobate slag and manganese oxide. Journal of Metallurgy,1990 (26): b1~ b15.

3 1. Ni Ruiming, Ma, Wei Shoukun, thermodynamics of MNFEC and MNSiC systems, iron and steel research,1990 (61):13 ~1/kloc-0.

32. Han Haiou, Lin Qin, Wei Shoukun, binary MnONb2O5, ChinJMet.

SciTechnol, 1990(6):98~ 102。

33. Selected Works of Wei Shoukun and Wei Shoukun (including 16 abstracts and 2 monographs), Metallurgical Industry Press, 1990.

34. Wei Shoukun, Study on Thermodynamics of Interaction in Multimetal Solutions by Solution Method, Iron and Steel Research,1992 (63):159 ~165.

35. Wei Shoukun, an expert on the interaction of multicomponent metal solutions at constant activity and concentration, the 6 th Japan? China Symposium on Iron and Steel Technology, Chiba, Japan, 1992: 1~ 10.

36. Ma, Cheng Wu and Wei Shoukun. Thermodynamic behavior of p in MnSi Cap melt, iron and steel research,1993 (64):148 ~152.

37. Xing Xianran, Qiao Zhiyu, Wei Shoukun, thermodynamic properties of Com? Composite oxides in SmBaCuO system. Materials TransB, 1996(27B):973~978.

38. Guozhi Zhou and Wei Shoukun, A new generation solution model for predicting thermodynamic properties of multicomponent systems from binary systems, Met & amp; Materials TransB 1997(28B):439~445.