The first prize! Jiangsu Jiaxuan won the first prize of 2022 metallurgical mine science and technology again
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- Time of issue:2022-11-17
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(Summary description)First Prize of National Metallurgical Mining Science and Technology
Recently, China Metallurgical Mining Enterprises Association released the Notice on the Review Results of the 2022 Metallurgical Mining Science and Technology Award, and the project "Key Technology and Industrialization of High Efficiency Intelligent Permanent Magnet Direct Drive Drum" designed and implemented by Jiangsu Jiaxuan Intelligent Industrial Technology Co., Ltd. was awarded the first prize of Metallurgical Gold Mine Science and Technology Award.
The first prize! Jiangsu Jiaxuan won the first prize of 2022 metallurgical mine science and technology again
(Summary description)First Prize of National Metallurgical Mining Science and Technology
Recently, China Metallurgical Mining Enterprises Association released the Notice on the Review Results of the 2022 Metallurgical Mining Science and Technology Award, and the project "Key Technology and Industrialization of High Efficiency Intelligent Permanent Magnet Direct Drive Drum" designed and implemented by Jiangsu Jiaxuan Intelligent Industrial Technology Co., Ltd. was awarded the first prize of Metallurgical Gold Mine Science and Technology Award.
- Categories:news
- Author:
- Origin:
- Time of issue:2022-11-17
- Views:194
First Prize of National Metallurgical Mining Science and Technology
Recently, China Metallurgical Mining Enterprises Association released the Notice on the Review Results of the 2022 Metallurgical Mining Science and Technology Award, and the project "Key Technology and Industrialization of High Efficiency Intelligent Permanent Magnet Direct Drive Drum" designed and implemented by Jiangsu Jiaxuan Intelligent Industrial Technology Co., Ltd. was awarded the first prize of Metallurgical Gold Mine Science and Technology Award.
The Metallurgical Mining Science and Technology Award is the highest science and technology award in China's metallurgical mining industry, which aims to recognize the innovative achievements that have made significant contributions to the metallurgical mining industry, driven the progress of disciplines, and are recognized by peers at home and abroad.
★ Innovation ★
High performance, high reliability and speed accuracy are the characteristics of the demand for transmission equipment in the metallurgical industry. Adhering to the basic principle of "safety, economy, efficiency and intelligence", the high-efficiency intelligent permanent magnet direct drive roller has successfully broken through a series of technical problems such as the large floor area, high energy consumption, low torque, low efficiency, high impact, high failure rate and high operating cost of China's traditional belt conveyor drive system, and has pushed the mine into the fast lane of intelligent transportation development with innovative technology. The project pioneered the high torque density design method of low-speed large torque external rotor permanent magnet motor, established the intelligent operation and maintenance technology of low-speed external rotor permanent magnet direct drive roller based on deep learning, and developed the deep learning diagnosis algorithm of low-speed external rotor permanent magnet direct drive roller. It has achieved "one-time investment" and lifelong benefit ". After application, the equipment operation reliability increases by 20%, and the probability of man-machine separation decreases by 20%, which will reduce the safety risk by more than 10%.
Nanjing Meishan Metallurgical Development Co., Ltd. Mining Branch is a large-scale ferrous metallurgical mine in China, which belongs to Baowu Resources, Shanghai Baoshan Iron and Steel Co., Ltd., and is the iron ore production base of Shanghai Meishan Iron and Steel Co., Ltd.
Anhui Masteel Mining Resources Group Building Materials Technology Co., Ltd. was established in 2019 and is subordinate to Baowu Resources. In 2021, 4.5732 million tons of aggregate will be produced and sold throughout the year, fulfilling the commitment of "no new solid waste will fall".
Baowu Resources × Jiaxuan helps "double carbon"
Under the background of "dual carbon", metallurgical steel is an important field of green and low-carbon development. It is necessary to properly handle the relationship between development and emission reduction, rely on technological innovation, and orderly promote the industry's carbon peak and carbon neutralization, so that green becomes the background of high-quality development of the metallurgical steel industry.
Nanjing Meishan Mining and Anhui Masteel Mining Building Materials Science and Technology Co., Ltd. are the joint application units for this award.
With the integration of Baowu's high-quality development process concept of "green development, smart manufacturing", Jiaxuan provides a full range of belt conveyor drive solutions. Before the transformation, the belt conveyor adopts asynchronous motor, hydraulic coupler, reducer and other equipment. During the operation, the working environment of the operators is very bad, and the noise has caused great harm to the physical and mental health of the operators, resulting in many occupational diseases. At the same time, the original drive system occupies a large area, has a large amount of maintenance, has high energy consumption, has a large disturbance to the power grid, and has caused high maintenance costs for electrical equipment.
Customer benefits
After transformation: 1. The system operates stably and reliably, with low starting and operating currents, reducing power consumption. Through actual operation data calculation, it saves 28% energy compared with the original system, and reduces 70% of the installation space.
2. With the improvement of environmental pollution caused by harmful substances, the application of self permanent magnetic roller in the flotation area belt conveyor of Meishan Mining can reduce 12000 tons of coal burning and 32000 tons of carbon dioxide emissions annually.
3. In daily use, in addition to adding a small amount of lubricating grease to the bearing, the cost of lubricating oil for the original system reducer is reduced. There is no much maintenance requirements, and the maintenance workload is reduced by about 80%.
4. Improvement of working noise environment
The noise source of traditional drive system mainly comes from asynchronous motor, hydraulic coupler and reducer, which makes the working environment of operators very bad. The noise has caused great harm to the physical and mental health of operators, formed a lot of occupational diseases, and caused huge medical expense burden to coal mines and the country. However, the permanent magnet electric roller drive has very low running sound, which effectively reduces noise pollution and greatly improves the working environment of operators.
5. Improve power grid quality
Compared with the traditional asynchronous motor drive mode, the variable frequency drive of permanent magnet motor has greatly improved the quality of the power grid. The power factor of asynchronous motor is very low under light load, so it needs more reactive current from the power grid. The power supply quality of enterprises will decline, and the loss of line equipment and cables will increase. After the permanent magnet frequency conversion technology is adopted, the power factor of the drive system is improved, there is no current impact, and the load on the grid side rises steadily to the required power. The mechanical and electrical stresses of the equipment are greatly reduced, and the service life of the system is improved.
This award is the affirmation of the Metallurgical and Mining Association on Jiaxuan's R&D ability, and also the specific practice of Jiaxuan that has been led by scientific and technological innovation for a long time. In the future, it will continue to refine and improve the cost management system, promote mine efficiency, and inject intelligence and energy for intelligent transformation and high-quality development of the mining industry.
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