- 专利标题： Heavy oil hydrotreating system and heavy oil hydrotreating method
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申请号： US15775694申请日： 2016-11-01
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公开(公告)号： US11001768B2公开(公告)日： 2021-05-11
- 发明人: Tiebin Liu , Xinguo Geng , Yanbo Weng , Hongguang Li
- 申请人： China Petroleum & Chemical Corporation , Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.
- 申请人地址： CN Beijing; CN Liaoning
- 专利权人： China Petroleum & Chemical Corporation,Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.
- 当前专利权人： China Petroleum & Chemical Corporation,Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.
- 当前专利权人地址： CN Beijing; CN Liaoning
- 代理机构： Novick, Kim & Lee, PLLC
- 代理商 Allen Xue
- 优先权： CN201510769160.7 20151112
- 国际申请： PCT/CN2016/104206 WO 20161101
- 国际公布： WO2017/080387 WO 20170518
- 主分类号： C10G65/08
- IPC分类号： C10G65/08 ; C10G65/14 ; C10G65/00 ; C10G45/72
摘要：
A heavy oil hydrotreating system has a prehydrotreating reaction zone, a transition reaction zone, and a hydrotreating reaction zone that are connected in series successively, sensor units, and a control unit. In the initial reaction stage, the prehydrotreating reaction zone includes at least two prehydrotreating reactors connected in parallel, and the transition reaction zone includes or doesn't include prehydrotreating reactors; in the reaction process, the control unit controls material feeding to and material discharging from each prehydrotreating reactor in the prehydrotreating reaction zone according to pressure drop signals of the sensor units, so that when the pressure drop in any of the prehydrotreating reactors in the prehydrotreating reaction zone reaches a predetermined value, the prehydrotreating reactor in which the pressure drop reaches the predetermined value is switched from the prehydrotreating reaction zone to the transition reaction zone.