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公开(公告)号：US11851269B2
公开(公告)日：2023-12-26
申请号：US18091446
申请日：2022-12-30
发明人： Min Chen , Xiaohua Wang , Baokang Chen , Junwu Zhao , Zhenfeng Mei , Xiaolei Xue , Xiaomin Peng , Shengjie Yu , Ruipeng Liu , Peng Zhao , Yiwen Ding , Jinyong Zhu , Sheng Yao , Zhucheng Wang , Hao Liang , Hui Wang
摘要： A dredging device for dredging a pipe is provided including: a carrying frame, adapted to connected to a pipe; a shaking dredging unit including a first shaking plate and a second shaking plate, and the first shaking plate and the second shaking plate are arranged within the pipe; and a driving unit, connected to the carrying frame. The driving unit is connected to the first shaking plate and the second shaking plate for driving the first shaking plate and the second shaking plate to reciprocate to approach or move away from each other.
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公开(公告)号：US12098844B2
公开(公告)日：2024-09-24
申请号：US18027218
申请日：2021-08-30
发明人： Xiaolei Xue , Min Chen , Xiaohua Wang , Baokang Chen , Shengjie Yu , Ruipeng Liu , Yue Li , Xiaomin Peng , Zhenfeng Mei , Peng Zhao , Yiwen Ding , Jinyong Zhu
CPC分类号： F22B37/38 , F23M5/08 , G01M99/002 , F23D1/00
摘要： An integrated comprehensive adjustment method for a pulverized coal boiler based on high-temperature corrosion prevention and control of water wall is provided. The method includes: during shutdown period of the boiler, mounting reducing atmosphere sampling pipe on a water-cooled wall region; carrying out a diagnostic test on the boiler; carrying out an optimization and adjustment test of a boiler pulverizing system; carrying out a single-factor adjustment test of boiler-related parameters; determining degrees of influence of different parameters on water wall reducing atmosphere, thermal efficiency of the boiler and NOx concentration at a denitration inlet; carrying out an optimization test of ammonia spraying of a denitration system; carrying out a maximum safe denitration efficiency test; and finding a balance point among the water wall reducing atmosphere, the thermal efficiency of the boiler and the NOx concentration at the denitration inlet.
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