【70 Years of Majestic Efforts in a New Era of Struggle】Feiyi begins the path of high-quality development

On December 5, a post published by Hunan Gold’s official microblog drew the author’s attention. On the same day, Fu Cui, a member of the Standing Committee of the Hunan Provincial CPC Provincial Committee, the Secretary of the Disciplinary Supervision Commission and the Chairman of the Provincial Supervision Commission, together with the heads of relevant functional departments visited Baoshan Mining Company to study environmental management work. During the inspection, Fu Cui visited the quarries for open ore destruction, the museum and the solid mass filling station from the enrichment tails on the territory of Baoshan company to get acquainted with the environmental improvement work. Having visited one of Hunan Province's first solid mass filling stations from enrichment tails, he studied the technology and technological processes of such filling in detail, and asked carefully whether it would increase the cost of the enterprise. Chairman of the Party Committee and Chairman of the Board of Baoshan Mining Company Peng Xin reported that the filling of solid masses from the enrichment tails allows to fully fill the mine debris with used tails, which not only reduces the cost of construction, operation and maintenance of tail storage facilities, but also contributes to the prevention of geological disasters, the reduction of solid waste emissions, and also provides significant comprehensive benefits for the enterprise in terms of safety, ecology, economy and social responsibility. Fu Cui praised Baoshan Mining's efforts to implement the guiding idea of "green mountains and clean waters are gold and silver mountains", as well as the continuous improvement of the environmental environment at the mines. He noted the efforts of Baoshan Mining as a responsible state-owned enterprise in the field of environmental protection, expressed hope that the company will stay true to its principles and pursue high-quality development.What technologies have been praised by the Standing Committee of the Provincial Committee? To find the answer, the author and the company conducted an in-depth study at Baoshan Mining and found it at Feny Co., Ltd. (hereinafter referred to as Feny), which is a contractor for the project of filling the tails of the mines with granular sand. On December 6, the author and his group visited the production workshop of Feny. There were fast machines, the workers worked hard … All this created a lively picture. Inside the workshop are carefully arranged industrial pumps for filling finished or semi-finished products, two-axis two-rotor mixers, highly concentrated vertical mixers, deep cone thickeners, as well as accompanying equipment for filling. The shop was clean and bright. “Achieving green, environmentally friendly, safe and efficient mining is Faye’s dream.” “Excellent! The leader in the gold mine filling industry with the principles of “specialization, precision, uniqueness and innovation” is effectively contributing to the transition of mines to a path of development oriented towards resource saving and environmental friendliness. Dai Minsheng, chairman of the Hunan Non-ferrous Metal Society, expressed his admiration after visiting the equipment production workshops, the laboratory of the Mine Filling Technology Research Center, watching the promotional video and discussing with the chairman of Feny and technical experts.

Personnel and Technology: Specialization, Accuracy, Uniqueness, Innovation

The management of the Ningxian Economic and Technological Zone told reporters that Feny is one of the enterprises with particularly outstanding innovation capabilities in the zone, which consistently follows the path of independent innovative development and has already established significant advantages in the industry in the field of human resources, technology and brand.Zhang Zhou pays special attention to personnel, especially technical specialists. Under his leadership and the influence of Feny in the field of gel filling, experienced professionals are constantly accumulating, forming a highly qualified scientific and technical team, distinguished by high energy and innovative potential. Among the more than 400 employees, more than 100 are technical specialists, including 18 experienced industry experts, 8 Doctors of Science and 25 senior engineers. Describing the platform and achievements of the enterprise, Zhang Zhou details: Feny company owns provincial enterprise technology center, provincial engineering research center and provincial academic and expert workstation, is the key high-tech enterprise under China's Torch program, enterprise with AAA level environmental safety certification, Changsha City innovative enterprise, passed the ISO9001:2015 international quality management system certification, received the title of “Hunan Province A level quality and creditworthiness enterprise”, and “Feny” trademark was recognized as “Hunan Province Famous Trademark”. When asked by reporters what drives Feny in continuous advancement and innovation, Zhang Zhou answered with full confidence: "As a private entrepreneur, Feny's dream and aspiration is to serve the industry, mutual benefit and joint development, overcome the technological limitations in the field of granular filling mines, as well as achieving green, environmentally friendly, safe and efficient production. Since its inception, the company has consistently adhered to the corporate spirit of gratitude, honesty, responsibility and innovation. In the field of technology and equipment for green filler mining, Feny cooperates closely with more than 20 universities in China, including Central South University, Beijing University of Science and Technology,China University of Mining, Changsha Institute of Mining Research, as well as with such authoritative academics and industry experts as Academician Goodeshen and Qiu Guangzhou from Central South University, Academician Sun Zhenzhi from Shandong University of Science and Technology. The company has united the advanced scientific and technical experts in the field of granular filling, developed a lot of its own innovative technology, reached a high level both at home and internationally, owns more than 300 patents, including more than 80 invention patents. The industry standardization for industrial filling pumps — “Piston pump mechanism for filling shafts” JB/T13439-2018 has been developed, and is also headed by the development of “Technical requirements for complete tail sludge filling installations”, “Technical standards for tail sludge filling”, etc. "Technical standards for the preparation and storage of granulated sludge". Feny is a leading green mining company in China and one of the few global suppliers and operators of comprehensive granular filling technologies and equipment. Currently, the company is participating in a major scientific and technological project “Research of technologies for safe and efficient deep metal mining” within the framework of the 13th Five-Year Plan of the People’s Republic of China. Feny’s “Research and Application of Key Technologies for Safe and Efficient Mining by Granulated Filling of Soft and Complex Mountains” project won the first prize for scientific and technological progress of Xinjiang Autonomous Region, a “Key Mining Technology Using Hollow after Slaughter in Very Soft Water Ore Arrays” won the Special Award of China Gold Mining Industry Association. The project “The project of filling the void of the underground mine Ashiken with granulated sludge and restoring the ecology of the open mine” was awarded the title “Demonstration project of environmental scientificTechnical Innovation 2017" of the Chinese Society of Environmental Science. Equipment and technology: specialization, precision, uniqueness, innovation Over the past ten years of meticulous work, a complete paste filling production chain has been established, six key systems have been seamlessly integrated, which has completely solved the incompatibility problem between subsystems when filling from the outset, providing a centralized, efficient and easy-to-manage system, ensuring the reliability of its operation. Some of the characteristics and quality of the key equipment have reached or even exceeded the technical level of the foreign counterpart, and the overall cost and service quality are superior to foreign competitors. The main equipment and technologies include: a complete set of testing and verification of filling solutions. Feny Co., Ltd. has established industry-leading specialized filling laboratories and experimental pipeline pumping center, equipped with modern and complete equipment capable of measuring and analyzing tail composition and particle size, static and dynamic sediment tests, measuring paste relaxation characteristics, selection and optimal ratio of flocculants, testing of the physical properties of corks, as well as measurement and analysis of raw material parameters for enrichment. This allows a complete set of tests and tail analysis, as well as pump testing through pipelines of various scales. In addition, the company has a semi-industrial external modeling system that can fully reproduce the operating conditions at the filling site. The key equipment is deep cone concentrators. At the beginning of its activity Feny Co., Ltd.has introduced advanced foreign technologies, constantly assimilated, adapted and improved them, thanks to many years of efforts to achieve progress in technology. The level of development and production of the company's products is already advanced in the country and corresponds to the international level. At present, the company has formed a series of concentrator products, the maximum diameter of which reached 25 m. Deep cone concentrators are distinguished by high and stable bottom flow concentration; good flocculation deposition efficiency and high deposition speed; circulation and mixing function in the lower part, which allows to minimize the phenomenon of pressure; a good degree of effluent cleanliness (≤300 ppm) that can be reused with zero emissions; with the same performance can take up less space and require less investment.

Main equipment: industrial paste filling pump

In the market of industrial filling pumps produced by Feny, the market share has exceeded 70% in the past five years, and the share of industrial pumps with a capacity of 150 m³/h and above has reached more than 90%. Starting in 2010, when the company first achieved the localization of special production technology of industrial filling pumps and introduced them into industrial application, several years of development have created various series of industrial filling pumps adapted to different operating conditions, including: high-pressure (0-21 MPa), high performance (0-400 m³/h) filling pumps designed for different concentrations and types of materials, as well as other complementary filling equipment and key technologies. Feny has developed and manufactured various mixing plants for different materials, including two-speed forced continuous mixers (full tail cement + chip,two-stage mixers), force mixing tanks (full tail cement, viscosity), two-way forced periodic mixers (crusher), mixers for activation of cement. It also provides technical support and design of automated filling management systems, including an integrated PLC-based control system, proprietary control programs and software for monitoring, centralized automatic control and control. Technologies and solutions are provided to prevent pipe clogging during filling, including: real-time pipe pressure monitoring, automated control of the entire system, full filling of the suspension in the pipe, etc. d. The six main systems are seamlessly integrated, the key technologies are controlled at all stages, the high level of automation and intelligentization are the key advantages of Feny's pellet filling system. Services: Specialization, Accuracy, Innovation Feny CEO Yao Limin told reporters that the company adheres to the service principle of "solving users' problems, creating value for users and exceeding their expectations". Adhering to the work program and the approach of “field visit, experimental analysis, system design, equipment production, installation and setup, service provision”, the company is constantly expanding the market. To date, it has delivered more than 180 complete installations for filling quarries and dry tail removal of various mines, including 80 EPC (full construction cycle) projects and four successful examples of BOT (business operation model) applications. Feny has Engineering Design Institute, Product Research Institute and Construction Department,specializing in the development of comprehensive solutions and complete equipment for environmentally friendly mining. It has a full range of technology and service support, including “researching methods of filling technology, designing integrated solutions, developing key equipment for filling quarries, installing and tuning entire projects”. The company has the ability to carry out turnkey projects for the creation of various career filling systems, and also offers individual, personalized services.

In October this year, after studying the pellet filling systems at the lead and zinc mines in Luzhiyuan of Hongjun Minier Development of Zhenkan District of Yunnan Province, at the lead and zinc mine in Taoping of Feilun Non-Ferrous Metals of Baoshan City, on the Maoping tungsten and molybdenum mine of Jiangxi Yaoshen Tungsten Company and Hunan Baoshan Non-Ferrous Metals Company's lead and zinc mine, JinChuan Group Co., Ltd. subsidiary of the second hall concluded that Feny's maintenance and after-sales support are very high-quality. For example, at the beginning of the operation of the pellet filling system at the lead and zinc mine in Luzhyuan, Hungjun Minier Development of Zhenkan County, Yunnan Province, Feny formed a special working group, which included the deputy general manager, deputy chief engineer and director of the laboratory. which for almost a month conducted field tests and research on parameters such as low flow concentration in the enricher, filling intensity and pump performance, completely solving the problem. The filling station has been operating uninterrupted for more than four months, operating for more than 16 hours a day, and the total filling volume reaches 280 thousand cubic meters, exceeding all indicators of the original project.At present, Feny's filling technology and complete equipment as well as green mine operation services have already been successfully implemented in more than 200 metallurgical, chemical and coal enterprises in China and abroad owned by companies such as China Gold Group, China Wumine Group and China Nonferrous Metals Group, and have been successfully implemented for the first time, completely solved for users the problem of "green", environmentally friendly, safe and highly efficient mine, winning the unanimous approval of users. The more journalists studied Feny, the more they felt how unusual this innovative technology enterprise was. Through a persistent pursuit of scientific and technological innovation, starting with the development of individual key devices, the company has created a complete production chain for filling paste. Such long-term and systematic innovation, advanced key installations, high-tech platform and top team of specialists have caused admiration among journalists, especially considering that it is a private enterprise. Soon after the completion of the interview with Feny, there was an inspiring news: based on the company's professional knowledge and services in the field of paste filling, the second district of Jinchuan Group Co., Ltd. after a thorough survey signed the "Paste Filling Cooperative Framework Agreement" with her, which will demonstrate the application of environmentally friendly paste extraction and exploitation technologies within Jinchuan Group. This project will not only solve a number of problems related to the storage (emission), area occupied and tail pollution of Jinchuan Group’s second district, but will also make significant progress in the implementation of the “one waste, two treatment methods” strategy at the field, paving the way for the sustainable development of green mining. In addition, thanks to an environmentally friendly method of processing the paste,The company will be able to significantly reduce environmental tax payments, which will provide outstanding environmental and economic benefits. Journalists are confident that Jinchuan is bound to pave the way for innovative development combining clean mining with building an ecological civilization, like Hunan Jinhui Baoshan Minier, using advanced soil filling technologies from Feiyi Yi. And this is just the beginning of building an ecological civilization on the mine. Moreover, it cannot and will not be allowed to exceed the three red lines, continue to use the model of gross growth, as well as receiving income from ancestors at the expense of offspring. From the remarks of the General Secretary, we have clearly felt the serious importance and acute priority the Party Central Committee attaches to the construction of ecological civilization. As the implementation of the “Beautiful China” and “Ecological Civilization” policies deepens, the demand for environmental protection from mining enterprises grows. Solid filling technology, recognized by experts, academics and industry specialists, as well as already successfully tested in practice, will inevitably play a key role in the environmental treatment of solid waste - tails of mines, tail stores, coal waste and other types of waste. making a significant contribution to the development of ecological civilization in China's mining industry. Journalists are glad and proud that the advanced technology of clay mass filling is fully mastered by our national enterprise. It is expected that even more examples of the application of clay mass filling technology in mining mines will be vividly displayed in the lands of China.

Source: China Newspaper on Non-ferrous Metals