Transformation of Daye Peak Total Drop System
Release time:
2020-07-22
Daye Peak Total Descent System Renovation
News from our newspaper 4# July 1 - 10 , Daye Peak Cement Company used the gap before putting into production after overhaul to renovate the total descent system.
The background operating system of Daye Peak General Step-down Station has poor channel and delayed operation due to the aging of communication equipment. The main transformer's up-down gear is not timely, and the capacitor closing and opening do not respond. The instructions for 10kV switch cabinet such as opening and closing are not executed or delayed, and the basic readings in the background, such as duty log and measurement data, are sometimes absent, it seriously affects the safe, stable and orderly operation of power distribution equipment, and also brings great troubles to the personnel on duty. Moreover, according to the service life of the equipment, Daye Peak has been in operation for 11 years and must be upgraded and replaced.
years later due to the impact of the epidemic, equipment procurement and processing of accessories due to logistics restrictions can not be in place in time, after the winning manufacturer and coordination with all parties, with the epidemic relief, finally in 3 29 from Wuhan to the plant. Daye Peak immediately contacted the power supply ground dispatching station and delayed the power outage to 4 July 1 - 2 . Considering the importance of internal communication, the internal communication network was first reformed, the original communication management machine, GPS timing system and 8 relay protection devices were replaced, the background power monitoring and management software was upgraded, the setting value of 10KV relay protection was recalculated and input, and 11 electric meters were newly installed (for data collection of energy management system), after repeated debugging and trial operation, the overall feeling is that the communication channel is unblocked and there is no "blocking" phenomenon. The response to the switch-on and switch-off instructions of the main transformer and the 10KV switch cabinet is timely. After the background upgrade, the desktop data is stable, the report data is true and reliable, and the equipment runs safely and orderly.
After hard work, the renovation was successfully debugged before the kiln was ignited and produced, without affecting the production, delivery and overhaul of finished products. The quality of the renovation project has achieved the expected results. At the same time, Daye Peak will also refer to the later planning plan of Huangshi power transmission network and the requirements of dispatching data collection, replace the original communication management machine according to the specific conditions of the upper substation (axle transformer), and use optical transmission equipment to transmit the information of total reduction, waste heat and safety network to the dispatching. It is planned to overhaul and implement it next year.
After transformation and upgrading, the system communication speed is improved, the data collection time is improved, the information (telemetry, remote signaling, remote control) response efficiency is improved, and the safety and reliability of the communication system are guaranteed. (Zhang Qingyu)
More information
In March, the authoritative organization of the cement industry successively released two series of lists of China's top 500 building materials enterprises in 2022 and China's top 100 cement clinker production capacity in 2022. Jianfeng Group ranked among the "top 100" in the two lists ". The list of China's top 500 building materials enterprises was officially released in early March. This series of lists was selected by the China Building Materials Enterprise Management Association. Through more than 20 years of comprehensive data research on China's building materials industry, referring to international practices, the rankings are based on the company's annual operating income., Cement products, building ceramics, waterproof materials, aluminum-plastic profiles, coatings, glass, building materials equipment manufacturing and other sub-industries related to building materials. Jianfeng Group ranks 96th among the companies on the list and 27th among the cement manufacturers on the list. On March 16, the awarding ceremony of 2022 China's top 100 cement clinker production capacity list was held in Hangzhou. This series of lists is released by China Cement Network, an authoritative organization in China's cement industry. The ranking is based on the total production capacity (excluding the production capacity of other kiln types and grinding stations) of new dry clinker production lines completed and put into operation by Chinese cement enterprises in China as of December 31, 2022. The data statistics are calculated based on the design production capacity and 310 days of annual operation. Jianfeng Group ranked 53rd with an annual design capacity of 3.627 million tons. (this newspaper reporter)
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