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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On August 23, Huangshi Radio and Television Station broadcast the special program of "Strengthening Overall Planning and Promoting Energy Saving and Emission Reduction in Industrial Field". Daye Jianfeng Cement Company, as a typical enterprise with outstanding achievements in establishing green factories and energy saving and emission reduction in Huangshi area, appeared in the program.
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Yunnan Peak Helps Border Epidemic Prevention and Control
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Group Party Committee to Learn "July 1" Important Speech
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Spike Ranked 2020 China's Top 100 Cement Clinker Production Capacity
Recently, the company received the "2020 China Cement Clinker Production Capacity Top 100" plaque issued by China Cement Network. The ranking of China's top 100 cement clinker production capacity is organized and evaluated by China Cement Network, an authoritative information platform for the domestic cement industry. It is released according to the actual clinker production capacity of each cement enterprise at the end of last year. The company has been ranked in the top 100 list for many consecutive years.
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