Retrofit of Daye Peak Bypass Valve
Release time:
2020-07-22
Daye Peak Bypass Valve Reconstruction
News In order to effectively solve the air leakage problem of the kiln tail bypass valve, Daye Peak Cement Company removed the existing flue valve and replaced it with a double-shaft double-disc flue stop valve. Each disc valve has an electric actuator to control the valve opening, which can control each valve individually, the project as a whole was installed and put into use on , 4, August, , 13, 10.
DN4000 Shutter Valve. Due to the use of nearly 11 years, the shutter valve is partially deformed, and the temperature difference between the outlet temperature of the tail boiler and the inlet temperature of the high-temperature fan reaches 18 degrees Celsius. The installation position of the original louver valve is lower than that of the boiler inlet, and there is dust accumulation in the long-term closed state. When the bypass valve is opened each time, the current of the high-temperature fan fluctuates greatly, and there is a potential safety hazard of the high-temperature fan jumping and stopping. The newly replaced double-shaft double-disc flue stop valve is designed with full consideration of the large dust content of the flue gas at the end of the kiln and does not accumulate ash when it is completely closed, thus overcoming the accident caused by the fact that the ash accumulated into the high-temperature fan when the original flue valve is opened. The kiln tail bypass valve is closed tightly, so that the temperature of the flue gas entering the high temperature fan is stable, and the wind pressure of the kiln tail system is more stable. After the renovation of the
SP boiler and the inlet temperature of the high-temperature fan at the kiln end is 4 degrees celsius, and the power generation is obviously increased. in addition, the monitoring temperature of the AQC boiler at the kiln end is 20-30 degrees higher than in previous years after the technological renovation of the grate cooler, and the maximum daily power generation of waste heat generation can reach 24.7. (Chen Jun Feng Junwen)
More information
Peak re-listed China's top 100 cement production capacity Daye peak won the "smart factory leader"
On July 11-12, the 2022 China Cement Industry Summit and TOP100 Award Ceremony organized by China Cement Network, an authoritative media of China's cement industry, was held in Hangzhou. Jianfeng Group once again ranked among the top 100 cement clinker production capacity in China.
2022
08-04
On the afternoon of July 12, the party Committee of the group company held a special meeting attended by party Committee members, senior and middle-level management backbones, heads of grass-roots party organizations and all party members of the group headquarters to learn and convey the spirit of the 15th party congress of the communist party of China in Zhejiang province.
2022
07-24
On the morning of July 1, more than 40 members of the group's party committee, party members of various branches of the group headquarters, and party members of subordinate enterprise branches went to the Shuanglong Hydropower Station, the Red Education Base of Jinhua City, to receive party spirit and revolutionary tradition education.
2022
07-14
Vocational skill level identification examination!
On June 16 and 18, the theoretical and practical examinations for the determination of professional skill level in the peak pharmaceutical sector were held successively in Jinxi pharmaceutical factory. The independent identification of vocational skill level includes three occupations (types of work): pharmaceutical preparation worker, chemical inspector and organic synthesis worker, basically covering the main posts in the pharmaceutical sector, with a total of 125 employees signing up for the identification.
2022
06-21
On June 16, the Jianfeng Pharmaceutical Quality Research and Development Party Branch and the Jinhua Vocational Skills Management Service Center Party Branch held a signing ceremony in Jinxi Factory to establish a party building alliance.
2022
06-21
Jinhua Mayor Xing Zhihong to Peak Research
On the afternoon of June 1, Jinhua Mayor Xing Zhihong, Wucheng District Party Committee Secretary Gao Feng, District Mayor Hu Yuxian, and heads of the Municipal Economic and Information Bureau, Development and Reform Bureau and other departments went to the group headquarters to discuss and exchange with the leaders of the group company to understand the development of the enterprise. Solicit opinions and suggestions from enterprises on government work. After understanding the current business situation of the peak, Xing Zhihong pointed out that focus, follow the right path, frontier, steady, is the peak to long-term prosperity of the magic weapon, must continue to adhere.
2022
06-13
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