Cement is a great cause, carrying the people's yearning for a better life, and laying a solid foundation for economic and social development. Over the past decades, China's cement industry has been developing continuously and making great progress, realizing the technological leap from vertical kiln, wet process to new dry process, completing the transformation from following to leading in the world, and becoming a basic industry with great international competitiveness in China. In the course of the vigorous development of the cement industry, a large number of dedicated outstanding figures have emerged, who have profoundly reshaped the development pattern of China's cement industry and injected strong impetus into the iterative upgrading of the industry. In the near future, China Cement Network will review the industry figures who have made outstanding contributions to China's cement industry from a third-party perspective.
Today we bring Wang Yanmou, former director of the State Bureau of Building Materials Industry.
1932, Wang Yanmou was born in Zhangjiagang, Jiangsu. In 1956, he graduated from the Department of Chemical Engineering of Nanjing Institute of Technology and entered the China Academy of Building Materials Science. At the end of 1958, he went to Leningrad Institute of Construction and Engineering of the Soviet Union (now St. Petersburg University of Architecture in Russia) to study abroad, specializing in cement technology. In 1962, he returned to China and returned to the Academy after receiving an associate doctor's degree in technical science of the Soviet Union. Since then, for more than 20 years, he has worked all the way from the head of the office and the head of the Institute to the vice president and the president. In 1982, he served as deputy director and director of the State Bureau of Building Materials Industry until 1994, which was exactly 12 years.
First, the first ten years of returning to China: the judgment
accumulated by scientific research. In the 1950s, the cement industry in New China was not "industrial", but only some factories left over from old China. Equipment is imported, foreign experts are invited to guide the construction of factories on the spot, and the ability of independent construction is almost blank.
Wang Yanmou's first batch of tasks after returning to China were mostly related to the basic research of cement varieties. In 1958, he participated in the research and trial production of dam cement, which was successfully developed for the first time in China, and then put into the Sanmenxia Water Conservancy Project under construction. Since then, it has been used for a long time and won the National Science and Technology Conference Award. He also presided over the study of the retarding mechanism of oil well cement, which provided a theoretical basis for the selection of new retarders and won the Science and Technology Conference Award of the former Ministry of Building Materials Industry.
These basic studies gave Wang Yanmou something different: he was able to explain the chemical logic behind the process when he later promoted the new dry process, and he was also able to judge which links were really stuck in the debate of "introduction or autonomy".
Second, two visits, the first time to see the gap
"different times have different missions, very lucky to be in that era, always feel that history has given me the mission to change the face of the cement industry at that time." Many years later, Wang Yanmou recalled this.
This sense of mission comes from the impact of going abroad twice. During the Cultural Revolution, he was sent to the Soviet Union to investigate, and for the first time intuitively understood that the international cement production technology was beginning to upgrade, "leaving us in the dust.". When he visited Japan in the 1970s, he saw not only the upgrading of technology, but also another gap. Local cement enterprises attached great importance to environmental protection and beautification of their factories. Cement factories appeared on the edge of the city with a clean and civilized appearance. His judgment at that time was very direct: Our cement industry should develop in this direction. After he was transferred from the research leadership post to the deputy director of the State Bureau of Building Materials
in 1982, he, together with a group of cement veterans, started the technical research which was later called the "new dry process cement journey". Before taking charge of tackling key problems, from 1978 to 1979, he was seconded to the State Administration of Building Materials as the head of the introduction office, and organized the introduction of foreign new dry process equipment with a daily output of 4000 tons of clinker cement for the construction of Jidong Cement Plant and Ningguo Cement Plant. These two sets of equipment were more like "teaching AIDS" and "samples" at that time. As a result, China's cement industry has embarked on a road of new dry process cement development with Chinese characteristics by combining independent research with imported technology.
4. Combining
Wang Yanmou remembers that Wang Tao, the first Chinese chief engineer in the history of Chinese cement, told him after he arrived at the Building Materials Bureau: We must do a good job of equipment.
This sentence later carried weight. In 1986, the achievements of Jiangxi Line and the existing problems after its commissioning were put on the table. With the support of the State Planning Commission, the equipment and process were fully solved after a small amount of additional investment. The new dry process production line of the first clinker precalciner kiln with a daily output of 2,000 tons, designed by China itself and built with domestic equipment, has been put into operation and passed the acceptance test, which has become a milestone in the history of China's cement technology development in the construction of new dry process plants with domestic equipment. It has also forged a new team of scientific research, design, manufacture, construction, installation, commissioning and production of new dry process technology in China's cement industry.
"Unexpectedly or as expected, the launch was very successful, and the hourly and daily output quickly reached the design target." Wang Yanmou said that the successful commissioning of Shuangyang Cement Plant fully proves that the introduction of foreign equipment design and manufacturing technology has achieved remarkable results. The book
"Wang Yanmou and the State Bureau of Building Materials Industry" summarizes three "firsts" for this line. Its significance does not lie in the production capacity, but in the equipment foundation: China has developed a new dry process production line of modern precalcining kiln, and has a reliable equipment system from this line.
In 1993, at the completion ceremony of Shuangyang Cement Plant, Wang Yanmou wrote five words for this new dry process production line with a daily output of 2000 tons: China's first line. Its production line of one production mill, one kiln and one cement mill can indeed be called "the first line of China", thus hatching one new dry process production line after another in China. On June 18 of
the same year, the second line of Jidong Cement Plant broke ground and started construction, and Wang Yanmou immediately set out to push another step up in China's daily production level-to expand a 4000t/d clinker new dry process equipment localization demonstration line. The line was put into operation in 1996.
"In 1997, when I went to Jidong Cement Plant to inspect the operation of the demonstration line, I introduced to them the experience of Conch Group in transforming the cooling machine." Wang Yanmou, who has retired from his leadership post, said. Based on this, Jidong invited German BMH Company to transform the cooler of the precalciner kiln, and the effect was unexpected-the output of the production line soon exceeded the design target, reaching the level of 5000 tons of clinker per day. The success
of Jidong Second Line has brought China's cement production technology from the level of 2000 to 2500 tons of clinker per day to 4000 to 5000 tons of clinker per day, and created a new mode of China's cement industry based on domestic equipment and global allocation of resources.As the cradle of the new dry process technology of the clinker precalcining kiln with a daily output of 4000 tons, the significance of Jidong to the industry continues to this day.
https://img7.ccement.com/richtext/img/0syp7ec6ocl1619579577832.
, especially after the Third Plenary Session of the 14th CPC Central Committee in November 1993, I clearly feel that great changes will take place in the reform of our economic system, and enterprises will soon become the main body of the market. He said. In December 1993, he began to go to East China, where cement enterprises are concentrated, to convey the spirit of the Third Plenary Session of the 14th Central Committee to the industry and enterprises, warning the industry not only to manage products, but also to manage assets in the future, and to help enterprises establish the dominant position of the socialist market economy.
Wang Yanmou keenly pointed out that the financing of cement project construction can no longer rely on the state financial funds, but should completely turn to raising funds from the market. This is the cement as a planned economy when the national unified distribution of materials in the planned commodity economy to completely open the cement industry can be prepared in advance. After the release of cement, the development of cement has not been in any panic, stagnation and dependence, but has achieved faster and more quality development. The effect of
this step appears after entering the 21st century. With the growth of capital market and the accumulation of a large amount of social capital by private enterprises, enterprises have the ability to raise funds by themselves. In 2002, on the basis of the technical development achievements organized by the State Bureau of Building Materials, Conch Group overcame the difficulty of building a clinker production line with a daily output of 5000 tons with low investment after the construction of a clinker production line with a daily output of 2000 tons with low investment. People of insight believe that this is a golden opportunity for investment-the whole country immediately set off a new century of cement precalciner kiln new dry process production line construction climax. After breaking through the low investment threshold in 2002, China's cement industry entered a stage of vigorous development and reached its peak in 2014.
Conch 10000 Tons of Clinker Production Line Design Review Meeting (in the front row, the fifth from the left is the famous professor Hu Daohe of Nanjing University of Technology, the sixth from the left is Wang Yanmou, the seventh from the left is the senior expert Li Taoping of the Science and Technology Committee of the State Bureau of Building Materials, and the eighth from the left is the famous professor Chen Quande of Beijing University of Technology. The ninth from the left is
In Wang Yanmou's list of achievements, there is an item that has nothing to do with the "production record", but it has been repeatedly mentioned by him. In
the early 1980s, he presided over and directed the theoretical research and technical development of ferroaluminate cement in the Building Materials Research Institute. After being transferred to the Building Materials Bureau in 1982, he continued to guide the research and development of this variety. He proposed and organized the research on the cement mineral phase in the five-component system of CaO-SiO₂ -AlO-FeO-so, discovered a new cement phase region, and successfully developed ferroaluminate cement (also known as high-iron sulphoaluminate cement), which opened up a new field for the formation chemistry of cement clinker and won the second prize of national invention.
This is an international initiative. Sulphoaluminate cement and ferroaluminate cement have become the third type of cement invented by the Chinese after Portland cement invented by the British and aluminate cement invented by the French. At the beginning of 1983, the seawall at the south gate of Dongshan Island in Fujian Province, which was built with rapid hardening ferroaluminate cement, was completed and has been in safe use for more than 40 years.
It is a material prepared for ocean engineering. "Nowadays, there are more and more marine projects. In order to build durable marine projects, cement concrete with excellent seawater erosion resistance and freeze-thaw resistance must be used.". However, at present, Portland cement or modified Portland cement is used in marine engineering, which has poor seawater erosion resistance and freeze-thaw resistance, which will inevitably lead to a great increase in the amount of follow-up repair work, and in some cases, even affect the life of the project, and it is difficult to ensure the design life. Wang Yanmou is worried about this.
In his view, the promotion of aluminoferrite cement is a technological innovation system to solve the worldwide problem of corrosion of cement concrete in marine engineering, "an important mission of contemporary China's cement industry", which requires the joint promotion of scientific research, production, engineering design and construction; Therefore, he believes that this matter can not be solved by market mechanism alone, but needs strong support from the government. He appealed to the China Building Materials Federation and relevant departments to support the Institute of Technical Information of Building Materials Industry to cooperate with relevant units to develop the application of ferroaluminate cement in marine bridges, wharfs and other projects.
2021, Wang Yanmou presented the Invention Certificate, Inventor Certificate and Invention Medal of Ferroaluminate Cement awarded by the State Science and Technology Commission to the Key Laboratory of Sulphur (Iron) Aluminate Cement of Building Materials Industry, Institute of Technical Information of Building Materials Industry. The development, inheritance and handover of aluminoferrite cement technology were successfully completed. The completion of the handover work marks the continuation of the handover road of a firewood inheritance.
Eight, although far away from Jianghu, Wang Yanmou did not leave the building materials industry after he stepped down as director of the State Building Materials Bureau
in 1994. He has successively served as the consultant of the expert committee of China International Engineering Consulting Corporation, the special consultant of China Investment Association, the honorary president of China Building Materials Industry Association and the senior consultant of China Cement Association; In 2004 and 2007, he served as the supervisor of the third and fourth board of supervisors of Anhui Conch Cement Co., Ltd. and served as the independent non-executive director of Conch Cement and the independent director of Zhejiang Glass. After 2008, he served as Shanshui Cement and Second, the relationship between the government and the market. In his view, the socialist market economy is a market system supervised by the government, which requires both market mechanism, free competition and government supervision. If the government intervenes too much in the market and neglects the free play of the market mechanism, it is not conducive to the effective play of competition, and may even hinder the technological progress of the industry. "As long as the government's supervision of environmental protection, land, quality and other aspects is in place, it will be enough to fully and effectively mobilize the market competition mechanism." What can be solved by the market should be solved by the market. For example, if we can fully implement the reasonable supervision mechanism of environmental protection emissions in the cement industry, we can achieve the effect of improving the environmental protection level of the industry, eliminating backward production capacity of environmental protection, and forcing the green transformation of enterprises. And in the treatment of 32. The third is for enterprises. His suggestion is simple-cement enterprises should constantly rely on improving their own capabilities, rely on technological progress, and gain a foothold in the industry through hard work. His attitude towards the industry media is equally clear. "The healthy development of an industry can not be separated from the promotion of the industry media platform, especially the objective, fair and true can guide and urge the industry to run on the track." He mentioned "Cancellation of 32. From shaft kiln to wet rotary kiln, from new dry process of clinker precalcining kiln with a daily output of 2000 tons to new dry process of clinker precalcining kiln with a daily output of 5000 tons"-these are the four stages that Wang Yanmou personally delimited for China's cement technology level in the preface of the History of China's Cement Development. He personally participated in and led the epoch-making changes in the cement industry, and witnessed China's cement industry from weak to large, from large to strong, and into the world's advanced ranks. All the struggles and efforts are worth it. From east to west, from south to north, the motherland has left the footprints of Wang Yanmou's struggle.This footprint confirms a truth: a country's industrial capacity is to rely on its own step by step.
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