Patents Assigned to CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO.,LTD
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Patent number: 11629084Abstract: The present disclosure provides a solid waste treatment method, including following steps: screening off masses having a particle size greater than 0.5 cm from solid waste; adding extraction agents to the solid waste and then heating and stirring so that the solid waste is fully dispersed in the extraction agents; placing the mixed extraction agent in a centrifuge and centrifuging the mixed extraction feeding liquid phase separated by centrifuging into a rectification tower for rectification and cooling, recovering residual oil substances in a rectification kettle, separating mixture of cooled extraction agents and water, continuously adding the separated extraction agents into an extraction kettle for cyclic extraction, and conveying sewage to a sewage treatment plant to treat and discharging the sewage after the sewage reaches a treatment standard.Type: GrantFiled: June 11, 2021Date of Patent: April 18, 2023Assignee: CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., LTDInventors: Weizhong Wei, Zhe Bai, Xinran Li, Haotian Gong, Rongguang Wu, Chuansheng Jia, Biao Yang, Deliang Liu, Zhenhua Sun
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Patent number: 11558985Abstract: The present disclosure provides a frequency converter. The frequency converter includes a box body and a bottom box. A bottom portion of the box body is fixedly connected with a top portion of the bottom box. A top portion of a left side of the box body and a bottom portion of the left side of the box body are fixedly connected to a respective fan. A top portion of a left side of an inner wall of the box body and a top portion of the left side of the inner wall of the box body are fixedly connected to a respective annular plate. One end of an output shaft of each fan is fixedly connected to a rotating rod. One end of each rotating rod away from the fan passes through the box body and extends to an interior of the box body.Type: GrantFiled: December 18, 2020Date of Patent: January 17, 2023Assignee: CHINA UNIVERSITY OF PETROLEUM BLUE SKY (QINGDAO) PETROLEUM TECHNOLOGY CO., LTD.Inventors: Kaikai Li, Huidong Lu, Chuan Yan, Enfang Xu, Weizhong Wei, Jiasheng Zhang, Shouyuan Zhao, Liuzhu Zhang, Xinran Li, Maofeng Yang
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Patent number: 11523467Abstract: A group control device includes a central processing system. An output port of the central processing system is electrically connected to an input port of a display unit through a first wire. An output port of the display unit is electrically connected to an input port of a signal feedback module through a second wire. The output port of the signal feedback module is electrically connected to an input port of the central processing system through a third wire. The input port of the central processing system is electrically connected to an input port of the group control host operating terminal. The input port of the group control host operating terminal is electrically connected to an output port of a data sending module. The central processing system is bidirectionally connected with a retrieval and extraction module through wireless connection.Type: GrantFiled: December 25, 2020Date of Patent: December 6, 2022Assignee: CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., LTDInventors: Tao Ding, Shouyuan Zhao, Chuan Yan, Hongming Wang, Hongbo Li, Zhongxian Gao, Zhihao Wei, Faliang Gong, Zhendong Wu, Fanwei Meng
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Patent number: 11404994Abstract: A frequency converter module includes a frequency control management module. An input port of the frequency conversion control management module is electrically connected to an input port of a power supply module. The power accuracy monitoring module includes an initial power measuring module, a power prediction correction module, and an actual power display storage module. An output port of the initial power measuring module is electrically connected to an input port of the power prediction correction module. An output port of the power prediction correction module is electrically connected to an input port of the actual power display storage module.Type: GrantFiled: December 25, 2020Date of Patent: August 2, 2022Assignee: CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO., LTDInventors: Zhihao Wei, Tao Ding, Hongming Wang, Changfeng Wang, Haotian Gong, Zhongxian Gao, Zhenhua Sun, Huidong Lu, Xinran Li, Jiasheng Zhang
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Publication number: 20220094174Abstract: Disclosed herein are multi-source microgrid power supply systems including a rectifier having an incoming line terminal connected to a low-voltage side of a transformer and an outgoing line terminal connected to a DC bus having one terminal connected to the outgoing line terminal of the rectifier, an inverter having an incoming line terminal connected to the DC bus and an outgoing line terminal connected to oil well equipment, a first voltage regulator having an incoming line terminal connected to a photovoltaic array and an outgoing line terminal connected to the DC bus, a second voltage regulator having an incoming line terminal connected to an energy storage unit and an outgoing line terminal connected to the DC bus, and a third voltage regulator having an incoming line terminal connected to a wind power generation unit and an outgoing line terminal connected to the DC bus.Type: ApplicationFiled: September 21, 2020Publication date: March 24, 2022Applicant: CHINA UNIVERSITY OF PETROLEUM BLUE SKY(QINGDAO) PETROLEUM TECHNOLOGY CO.,LTDInventors: Weizhong WEI, Yulin LIU, Jiasheng ZHANG, Hongbo LI, Zhenhua SUN, Enfang XU, Zhongxian GAO, Xiaobo LIU, Jin HE