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High-end Technology Leads Equipment Manufacturing Industry to "Green Development Fast Track"

Published:2021-07-28

The equipment manufacturing industry is the foundation of the real economy and the "treasure of the country". The innovation and development of equipment manufacturing industry especially reflects the importance of adhering to independent innovation and mastering core technologies.

Recently, NHI signed a cooperation agreement with a well-known enterprise in the industry to jointly develop a new permanent magnet direct drive ball mill project. The project improves the innovation of mill technology and the competitiveness of the enterprise at the same time, with high-end technology to lead the industry to the direction of green energy saving transformation, further improve the economic benefits of China's mineral processing industry.

High-End Technology Leads the Development of the Industry

In the new development era, the social demand for energy is increasingly urgent, and energy security has become an important issue for the stable development of the country in the future. Electric energy is the most important secondary energy and the most important object of energy saving. It is imperative to improve product performance and develop new energy-saving, environmental protection and efficient products. Ball mill is generally the equipment with the largest motor capacity of concentrator, and the transmission part is the key link of power loss.

The transmission system is a typical low-speed and high-torque transmission system, with low transmission efficiency and high energy consumption. The traditional driving mode has been unable to meet the needs of users. Taking the ball mill as the breakthrough of energy saving and consumption reduction to carry out product innovation has become the first step for NHI to actively respond to the national call for energy saving and emission reduction and green development. In December 2019, the Ministry of Industry and Information Technology released the National Recommended Catalogue of Industrial Energy-saving Technology and Equipment (2019). The new permanent magnet direct drive synchronous motor system of ball mill has become a representative of the promotion and application of high efficiency and energy saving technology and equipment products.

It is reported that the efficiency and power factor of the permanent magnet direct drive ball mill is much higher than that of the ball mill of the same specification. At the same time, it can realize low speed and high torque direct drive operation, which can greatly reduce the cost. Moreover, the imported reducer is the longest part of the whole product production cycle. By removing the reducer link by direct drive, the manufacturing period can be greatly shortened, and it is also conducive to the installation of the construction site. The simplified transmission system structure is more convenient for daily maintenance and can effectively reduce operating costs.

It is understood that according to the ball mill 330 days/year working system calculation, the permanent magnet direct drive technology can save 1 million degrees of electricity a year and annual cost savings of about 500,000 yuan. Therefore, the development and application of new energy-saving permanent magnet direct drive ball mill is in line with the national policy guidance for meeting the market demand. While improving the innovation of mill technology and enterprise competitiveness, leading the industry to the direction of green energy saving with high-end technology, further improving the economic benefits of China's mineral processing industry.

Technological Innovation Drives Industrial Transformation

Meantime, it also means that NHI, which has just completed mixed-ownership reform, is in urgent need of rapid development. Through a series of measures such as product transformation and information upgrading, the company gradually got rid of the negative impact brought by poor management in the past, aimed at the field of high-end technology and equipment, and embarked on the "green fast lane" of high-quality development.

Equipment manufacturing industry seems far away from our lives, but in fact, while it is always around us. The TBM machine used in the subway, the cement used in the house, the steel used in the airplane and the ship, all these need to rely on the equipment machinery to manufacture. NHI is one of the enterprises that produces such equipment.

Speaking of the NHI, everyone knows that this is a heavy equipment manufacturing enterprise, which is integrated by two "elders" of China's heavy industry, Shenyang Heavy Machinery and Shenyang Mining Machinery, which is honored as "the cradle of China's heavy industry". It has made indelible contributions to the development of new China's heavy industry and laid the foundation of China's heavy industry.

As early as December 1953, Shenyang Heavy Machinery Factory, which is one of the predecessors of North Heavy Industry, has successfully produced the first φ2700×2100mm wet type grid ball mill in China, and has continuously improved the performance of the product through the efforts of generations of industrial workers. Ball mill is important equipment in the grinding process, the main role is to pulverize the material and obtain the process requirements of the size of the product, which is widely used in mineral processing, building materials, cement, coal, chemical and other industrial departments. For decades, with the rapid development of science and technology at home and abroad, under the active efforts of several generations of engineering and technical personnel, ball mill is all aspects developed toward specialization, rationalization, refinement, high yield, energy saving and other comprehensive technology combination. And in this process, NHI and other brother heavy industry enterprises in China, experiencing innovation, exploration, failure, China's grinding equipment has gradually been pushed to the international market through joint efforts. It has contributed to China's implementation of the Belt and Road strategy overseas, and helped many countries complete infrastructure construction.

On April 30, 2019, under the correct leadership and strong promotion of the CPC Liaoning Provincial Committee, the Provincial Government and the CPC Shenyang Municipal Committee and the Municipal Government, with return home feelings, Liaoning Fangda Group actively participate in the judicial restructuring and mixed-ownership reform of NHI, and has become the largest shareholder of the enterprise in accordance with the laws. It will bring fully market-oriented system and mechanism, strong capital and resources advantages and new management and development concepts to NHI, which has a deep history and technology accumulation to unload the heavy historical burden and regain vitality.


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