Thinking outside the box to solve problems
Release time:
2021-09-22
Yunnan Jianfeng Cement Company's kiln tail coal powder said that no matter bituminous coal or lignite is used, coal breakage will occur. This problem has been perplexing production. For many years, it has spent a lot of energy and also affected the stable calcination of rotary kiln and the output and quality of clinker. During the period of
, relevant personnel of Yunnan peak often communicated and discussed with external technicians and personnel of peer users. Some opinions mentioned the position from pulverized coal bin to mixing bin. It originally had a blanking pipe composed of a soft expansion joint, an eccentric blanking pipe, a cone reducing diameter joint and a fixed joint at the entrance of the small bin, and the change from the inner diameter of the gate valve of the pulverized coal silo 600mm to the inner diameter of the small silo entrance 385mm results in poor blanking. After on-site measurement, Yunnan Peak decided to install a soft expansion joint with an inner diameter of 600mm from the lower part of the gate valve of the pulverized coal silo. The lower part of the expansion joint was also changed to a stainless steel round pipe with an inner diameter of 600mm , which was directly open and welded with the top of the silo to form a discharge pipe. After the transformation is completed, there will be no coal cut-off phenomenon when bituminous coal is used, so lignite is resumed. When lignite is used, instantaneous coal cut-off phenomenon occurs occasionally, but it will not affect the temperature in the decomposition furnace and the calcination working condition of the rotary kiln, and the feeding amount of the rotary kiln can be stabilized at more than 260 tons. The transformation achieved the desired effect.
For a long time, I have felt that imported equipment cannot be easily changed, but after this transformation, I have changed my inherent concept. So, sometimes change thinking, also can harvest full.
(Lou Xuxin)
More information
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2020
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2020
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Company Leaders Attend Jinhua Development Conference
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Company Leaders Attend Jinhua Development Conference
News from our newspaper On November 17, the second 2019 Jinhua Development Conference with the theme of "Insist on high-quality integration into the Yangtze River Delta to build a metropolitan area" opened in Jinhua, Zhejiang. More than a thousand people from the scientific and educational circles, business circles, and overseas Chinese from home and abroad Business people, representatives of "New Golden Chinese" and representatives of outstanding Jinhua students attended the meeting. Group leaders Jiang Xiaomeng, Yu Jianhong and Huang Jinlong attended the relevant activities of the conference. As a representative of the Jinhua business community, Jiang Xiaomeng, chairman of the group company, made a keynote speech at the "Scientist" and "Entrepreneur" Innovation Dialogue of the Development Conference, expressing his views on how Jinhua enterprises can improve their technological competitiveness. As the head of Jinhua local enterprise with a history of more than 60 years, Jiang Xiaomeng has a profound experience in promoting the development of enterprises through science and technology. Combined with the reality of peak scientific and technological innovation, he pointed out in his speech that the improvement of scientific and technological innovation ability is an urgent event for Jinhua small and medium-sized enterprises. Private enterprises cannot achieve high-quality development without the support of scientific and technological forces; with the progress of society, the improvement of people's living standards and the continuous improvement of cultural quality, the demand for products and the pursuit of product quality have also undergone qualitative changes. Only products with scientific and technological connotations can attract consumers. He suggested that the government and relevant institutions should establish an information platform to further understand the scientific and technological support that enterprises need in the transformation, understand what kind of help scientific and technological personnel can provide to enterprises, do a good job in the information docking of scientists and entrepreneurs, further attract investment and wisdom, give full play to the scientific and technological achievements of academicians and experts and the capital advantages of businessmen at home and abroad, and promote Jinhua enterprises to better integrate into Changsan
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