1. December 16, 2011, China Quality Inspection Association (under the supervision of the State General Administration of Quality Supervision and Inspection of the national product quality supervision and inspection of the field of the only national quality professional organizations) group member unit Qinhuangdao Qinye Heavy Industry Co., Ltd. independent innovation and localization of large-scale bell-less furnace top technology results conference was held in Qinhuang International Hotel. Former director of the Ministry of Metallurgy Liu Shuhe, CMT Jingcheng survey master Wu Qichang, Hebei Province Machinery Industry Association President Chen Xin, Qinhuangdao Municipal Development and Reform Commission, Municipal Industrial Economy Operation Bureau leaders Zhao Berlin, Mu Yongxiong, Baosteel Zhanjiang Iron and Steel Company Chief Engineer Zhang Fuming, as well as Anshan Steel, Chengshan Steel, Beijing Jianlong Heavy Industry, Tiantie Group, Metallurgy Saidi, Beijing University of Science and Technology and other metallurgical industry, scientific research units, leadership, experts and metallurgical professional media guests *** more than 40 units of more than 100 people, *** with witnessed the birth of independent innovation of localized large-scale bell-less furnace top.
At the conference, Mr. Chen Xiaoguang, Chairman of the Board of Directors of the company, firstly reported the basic situation of domestic and international blast furnaces using furnace tops and the development history of the bell-less furnace top project. Informed the successful bidding of South Korea POSCO 3800m3 blast furnace roof, Turkey Edmire 2000m3 blast furnace overhaul has reached a cooperation intention, the future Baosteel Zhanjiang project must be selected undoubtedly the performance of the project. At the same time, Formosa Plastics Group is about to build two 5000m3 blast furnaces (Phase I) in Vietnam and Jing, the company's roof is also of great interest, due to POSCO's winning the bidding will have a great impact on the project, greatly increasing the confidence of Formosa Plastics to choose the company's roof. Chen Xiaoguang finally pointed out that: in the past progress and accumulation, the company in the field of metallurgical valves has achieved first-class performance in the country, the market has been widely recognized by users. At this stage, the company has successfully developed bell-less furnace top equipment with independent intellectual property rights. Although the company will face challenges from strong players such as PW, Xi'an Heavy Machinery, etc., we firmly believe that under the care and guidance of leaders and experts, and the strong support of customers, relying on the company's innovative technology and the unremitting efforts of the staff, we will be able to push the independently-developed bell-less furnace tops into the international arena and into the world. Contribute to the realization of a strong steel country.
2. China's very large blast furnace bell-less top technology to obtain a major breakthrough
Because of the large-scale blast furnace has high production efficiency, low energy consumption, high quality of iron and less environmental pollution and other outstanding advantages, in recent years, China's large-scale blast furnace accelerated the pace of; however, the large-scale blast furnace also put forward a higher demand for the relevant supporting equipment and facilities. In order to meet the requirements of large-scale blast furnace roof fabric and high-pressure operation, for many years China's iron workers have been committed to the independent research and development of large-scale blast furnace bell-less roof, and has made remarkable achievements.
December 16, by Qinhuangdao Qinye Heavy Industry Co., Ltd (hereinafter referred to as Qinye) hosted, Baosteel Zhanjiang Iron and Steel Company Limited ironmaking project team and the ironmaking business unit of the metallurgical Saidi Engineering and Technology Company Limited co-sponsored by the independent innovation and localization of large-scale blast furnace bell-less top technology conference will be held in Qinhuangdao, marking a significant breakthrough in China's independent innovation and localization of large blast furnace bell-less top equipment. Localization work to obtain a major breakthrough.
Independent innovation to break the monopoly of bell-less top technology for large blast furnace
Qinyue began to pay attention to the development of bell-less top technology at home and abroad since the beginning of the 1990s, and started the research and development work of domestic bell-less top in 1998. In the 21st century, China's 450 cubic meters capacity of small blast furnace development is rapid, and the roof charging equipment is basically used bell-less roof. Qinye saw the development opportunity of this bell-less top, and started to cooperate with Beijing SIN's Metallurgical Equipment & Technology Co. The successful manufacture and delivery of these 6 sets of bell-less top sets have laid a solid foundation for Qinye's future expansion in the field of bell-less top sets integration.
Actively expanding the market of bell-less roof, in 2004, Qinye cooperated with Sinn again to design and manufacture the prototype of the core component of bell-less roof of 3200 cubic meters blast furnace, and its successful manufacture created good conditions for China's bell-less roof to replace imports; in 2005, according to the needs of the market, Qinye actively participated in the projects of Chengshan Iron & Steel's 2500-cubic meters blast furnace and Tongan Iron & Steel's 2200-cubic meters blast furnace. In 2005, according to the needs of market development, Qinye actively participated in the bidding of 2500-cubic-meter blast furnace of Chengshan Steel and 2200-cubic-meter blast furnace of Tonggang, which prompted the price of foreign bell-less tops to drop again and again. In 2006, Qinye was authorized by Baosteel to sell the bell-less tops that Baosteel was adopting at that time, and in February 2007, Qinye's 2500m3 blast furnace and tank bell-less tops were successfully installed in the new No.3 and No.4 blast furnaces of Chengshan Steel. In October 2007, Qinye cooperated with relevant enterprises and applied the 2800m3 blast furnace tandem canister bell-less top to the No.1 blast furnace in the new ironmaking area of Tiantie. 2008, Qinye set up its own bell-less top design team by virtue of its own bell-less top manufacturing experience and its technical accumulation; in the same year, it designed and developed its own 2500m3 blast furnace tandem canister bell-less top, which won the 2009 Hebei Provincial Metallurgy Award for its achievement in the field. In the same year, the company designed and developed its own 2500 cubic meters blast furnace tandem tank bell-less roof, and this achievement won the second prize of 2009 Hebei Metallurgical Science and Technology Progress Award. Recently, the bell-less top equipment cooperated by Qinye and relevant enterprises has been successfully applied in 1760m3 of Dagang Steel and 2380m3 of Shougang Shuihan Steel.
To drive the bell-less top technology to maturity with the standard.On November 26th, the validation meeting of metallurgical industry standard "Blast Furnace Bell-less Top Charging Equipment", which was revised by Qin Metallurgy, CMT Saidi, and Sinosteel Xi'an Heavy Machinery Co.Ltd***, was held in Qinhuangdao. The revision of this standard provides a necessary basis for standardizing the design, manufacture, installation and use of the domestic blast furnace bell-less top charging equipment; it plays a positive role in improving the quality of products, accelerating the transformation of advanced technology and promoting the development of smelting equipment.
Major breakthrough in bell-less top technology of extra-large blast furnace
In 2009, Qinye ushered in an unprecedented development opportunity, and they signed a test agreement with Baosteel and CMCC*** on the core component of the bell-less top charging device for the 5700 cubic meter blast furnace of Baosteel's Zhanjiang project, and Qinye undertook the task of designing and manufacturing the main equipment and setting up the test platform. After a number of programs, structural refinement review, key issues, expert gatekeeper, etc., the project in January this year to complete all the experimental tasks, and achieved the first-hand test data.
The fabricator as a new generation of independent intellectual property rights of very large bell-less furnace top technology core products, based on the three-cylinder synchronous lifting structure of the hydraulic transmission from the principle of completely different from the foreign planetary differential drive fabricator. The research group has carried out detailed numerical simulation studies on the new generation of large-scale fabricator with well-known universities and research institutes within the United Nations, conducted friction and wear experiments on the trunnion bushings jointly with Tsinghua University Laboratory, and cooperated with the University of Science and Technology Beijing, Chongqing University and Yanshan University to conduct dynamic simulation experiments. The experiments include static simulation study, modal simulation, hydraulic cylinder fluctuation load simulation, furnace charge impact impact load analysis and so on. After the theoretical study, they implemented the prototype manufacturing and experimental platform for the technology, the experimental system mainly consists of loading system, weighing system, hydraulic system, electronic control system, lubrication system, cooling system, heating system, dust removal system, monitoring system consists of nine systems. Charging equipment including 100 cubic meters of material tanks, material flow control valve, simulation of the lower valve box guide tube, fabricator, fabric chute five parts. The experiment completed the functional test of the fabricator, both independent tilting, independent rotation and tilting rotation composite action, with multi-ring, single-ring, fan, spiral, fixed-point and center of the coke function; at the same time to obtain the material flow regulator valve discharge flow rate and openness of the relationship between (FCG) curves, coke and sintered ore, the respective trajectory curve of the material flow, furnace material, particle size segregation, the oval degree of the fabric (and the canister effect) as well as the center of the throat overfeeding capacity data. The data on the overfeed capacity of the center throat. They used the heating system to determine the operating parameters of the fabricator when the interior of the fabricator was heated to 50℃ and 80℃; simulated the roof of the furnace to heat up the space at the bottom of the fabricator to 300℃, 500℃, and 750℃, the relationship between the cooling water flow rate and the temperature of the roof of the furnace; simulated the uneven deformation of the furnace head in the production (the test was taken to be 20mm), and the fabricator in the tilted state of the operating parameters of the test. The data and indexes obtained through various tests have fully reached the expected goals, and some indexes have exceeded the expected goals.
The new generation of extra-large bell-less furnace top complete sets of equipment are characterized by simple mechanical structure, high degree of automation and intelligent control, high ambient temperature resistance of rotating fabric, energy saving and high efficiency, sealing and environmental protection, stable and reliable continuous operation, greatly simplified production and maintenance, and long service life. Through a simple interface, the operator can use several charging methods to arrange the charge to any position on the charge surface of the furnace throat, which can meet the requirements of the center coking process. The successful development of a new generation of very large bell-less top technology not only makes up for the technical defects of China's large metallurgical equipment blast furnace top charging equipment, breaking the monopoly pattern of imported products, but also promotes and accelerates the process of independent large-scale metallurgical equipment and makes contribution to the development of China's large-scale metallurgical equipment.
Domestic large-scale bell-less top equipment out of the country
A few days ago, Qinye and South Korea POSCO formally signed the POSCO Indonesia 3800m3 blast furnace roof supply contract, marking China's independent intellectual property rights of the large-scale bell-less top complete sets of equipment formally out of the country, breaking the monopoly of foreign companies. Practice has proved that the domestic independent bell-less furnace top not only has obvious advantages in technology, but also the price is much lower than the imported products, which can bring great economic benefits for China's iron and steel enterprises.
Chen Xiaoguang, chairman of the board of directors of Qinye, pointed out that it is with a good track record in the use of 2000 cubic meters of blast furnaces in Chengshan Steel, Tiantie, Shuihan Steel, Qinye products out of the country, replacing imports to create good conditions, coupled with the establishment of the experimental platform of the extra-large-scale bell-less tops of furnaces, the technical level of the products of Qinye to provide a reliable guarantee of the experimental data.
It is reported that Turkey's Erdemir 2000 cubic meters blast furnace overhaul project has reached a cooperation intention with Qinye; Formosa Plastics Group is about to build two 5000 cubic meters blast furnaces (Phase I) in Hoa Binh, Vietnam, which has shown great interest in Qinye's furnace top equipment.
3. Qinye Heavy Industry smelting equipment to fill the gaps in the country
Qinhuangdao Qinye Heavy Industry Co., Ltd. after two years of scientific and technological research, recently developed a bell-less top charging equipment, with commercial production conditions, to fill the gaps in our country, so as to break the monopoly of foreign technology on the situation in China.
Large-scale blast furnace ironmaking is the current trend of iron and steel industry smelting, and as one of the eight systems of blast furnace ironmaking blast furnace roof charging system, has been monopolized by a Luxembourg enterprise. Compared with the international similar products, the WZ series of bell-less roof charging equipment independently developed by Qinye Heavy Industry Co., Ltd. has many advantages, such as advanced technology, reasonable price, and the ability to meet the domestic energy saving and emission reduction requirements.
QMC Heavy Industry Co., Ltd. furnace roof division of technical personnel Xu Zhendong said that the successful development of large-scale furnace charging roof complete sets of packing equipment, simple structure, compact mechanism, high positioning accuracy, precise cloth, high temperature resistance. This technology fills the blank of the domestic large-scale chargeless roof equipment, ranking in the international advanced level, for enhancing China's metallurgical machinery and equipment industry design and manufacturing level, to create independent innovation brand, and promote export earnings have a positive role.
Source: Hebei Daily
4. Qinye scientific and technological innovation in adversity, "picking fruit"
By the global financial crisis in the second half of this year, China's iron and steel industry production and operation has encountered great difficulties for the iron and steel industry services Qinhuangdao Qinye Heavy Industry Co. Ltd. also suffered a shock. However, the company adheres to scientific and technological innovation, hard work, in the development of new products and market development still achieved a series of results.