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Anshan Heavy Duty Mining Machinery Co., Ltd. Announcement that two scientific research projects of the company have passed the evaluation of scientific and tech

Jul. 02, 2019

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without any false records, misleading statements or major omissions.


Recently, Anshan Heavy Duty Mining Machinery Co., Ltd. (hereinafter referred to as 'the company') has received the Zhongke evaluation science and technology achievements evaluation certificate [2019] No. 3163 and 3164 issued by Zhongke Hechuang (Beijing) scientific and technological achievements evaluation center, a third-party professional evaluation institution for scientific and technological achievements. On June 20, 2019, Zhongke Hechuang (Beijing) scientific and technological achievements evaluation center organized experts to evaluate the scientific and technological achievements of the two research and development projects completed by our company, namely ' large, efficient, elastic circular vibrating screen' and 'efficient self-cleaning sizing screen'. The details are as follows:

I, Evaluation of scientific and technological achievements

Two scientific research projects(that is 'large, efficient, elastic circular vibrating screen' and 'efficient self-cleaning sizing screen' ) which are completed by Anshan Heavy Duty Mining Machinery Co.,Ltd. has been given an evaluation for scientific and technological achievements by the experts who invited by the third-party professional evaluation institutions for scientific and technological achievements-Zhongke Hechuang (Beijing) scientific and technological achievements evaluation center in accordance with relevant provisions in ministry of science and technology Methods for evaluating scientific and technological achievements, in accordance with the evaluation criterions and procedures of scientific and technological achievements, in line with principle of science、independence、objectivity、equity on June 20th,2019. The conference was held in Anshan Heavy Duty Mining Machinery Co., Ltd.


Large, efficient, elastic circular vibrating screen

After the experts reviewed, it is considered that 'large, efficient and elastic circular vibrating screen' has developed the screening method of secondary vibrating on the screen surface and the large circular vibrating screen with adjustable damping spring, realized the high-efficiency screening and fast and stable passing the "resonance area" when start-up and shut down of the large circular vibrating screen; New technologies of 'screening method of secondary vibrating on the screen surface' and 'vibrating damping spring with adjustable damping of vibrating screen' are put forward. The screening efficiency is above 88%. Equipment has stable and reliable running, advanced vibrating parameters. Vibrating intensity is more than 4g. Width of circular vibrating screen reaches 3.6m. The area of surface more than 26 ㎡, this achieved the large-scale and efficient screening of the equipment.

The achievement has proprietary intellectual property rights, 1 invention patent, 1 utility model patent, 1 national standard and 1 industry standard; The product has passed the inspection of Liaoning product quality supervision and inspection institute, and has been installed and applied by the user, and achieved the expected application effect, with remarkable economic and social benefits; The project results have a wide application prospect in the sand aggregate industry, and the comprehensive technical performance index has reached the international advanced level.

Efficient self-cleaning sizing screen

'High-efficiency self-cleaning classifying screen' project results developed a new technology of high-efficiency self-cleaning classifying screen, which realized the self-cleaning function of vibrating screen and solved the international problems of material blocking, pasting hole and low passing rate for viscous wet fine particle coal (moisture content 7% ~ 14%;classifying particle size 3mm ~ 13mm) in dry deep screening operation; New technologies of 'elastic cantilever bar screen panel' and 'tensioning linear screen panel' are put forward. While the screen panel vibrates with the screen frame of the main machine, it generates secondary vibration and realizes self-cleaning function. The screening efficiency is above 88%. Through parameter optimization, the vibrating strength of screen (5.2g ~ 6.3g) is increased, and the reliability of running and handling capacity of unit area are improved.

The achievements have independent intellectual property rights, one invention patent, two utility model patents, and one enterprise standard. The product has passed the inspection of liaoning product quality supervision and inspection institute, and has been installed and applied by the user, and achieved the expected application effect, with remarkable economic and social benefits; The project achievements have a wide application prospect in the field of dry screening for wet and viscous fine particle coal, and the comprehensive technical performance index has reached the international advanced level.

After a comprehensive review by the expert group, the experts agreed that the two projects of 'large, efficient, elastic circular vibrating screen' and 'efficient self-cleaning sizing screen' passed the evaluation of scientific and technological achievements.

II, Impact on the company

The company's 'large, efficient, elastic circular vibrating screen' and 'efficient self-cleaning sizing screen' two research and development projects passed the scientific and technological achievements appraisal, fully reflects the recognition that the industry technical experts on the company's independent research and development, sustainable innovation ability. It will have a positive impact for further improve the company's core competitiveness.

III, Documents for future reference

1, science and technology achievements evaluation certificate Zhongke evaluation [2019] No. 3163

2, science and technology achievements evaluation certificate Zhongke evaluation [2019] No. 3164

It is hereby notified the above.

Anshan Heavy Duty Mining Machinery Co., Ltd.

Board of directors

July2th, 2019

Anshan Heavy Duty Mining Machinery Co., Ltd. Announcement that two scientific research projects of the company have passed the evaluation of scientific and technological achievements

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