Patents by Inventor Shixing Xu

Shixing Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7135105
    Abstract: The present invention provides a pyrolysis furnace with new type heat supply and a method of high temperature cracking using the same. The present invention employs top burners and bottom burners combined heat supply; the inlet of crossover section is connected from middle-upper portion of side wall of radiant section wall; and the present invention has the feature of uniform heat supply, high effectiveness, flexible and simple operation and control, and small investment, it is suitable for cracking reaction of hydrocarbons feedstock.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: November 14, 2006
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institutue of Chemical Industry
    Inventors: Qingquan Zeng, Guoqing Wang, Shixing Xu, Zhaobin Zhang
  • Publication number: 20030070962
    Abstract: The present invention provides a pyrolysis furnace with new type radiant tubes arrangement and method of its operation and usage. The first pass tubes and second pass tubes of radiant tubes of pyrolysis furnace according to the present invention are located at two parallel planes respectively, the projection of second pass tube of radiant tubes in each group is corresponding to the center location of projection connecting line of two first pass tubes adjacent therewith. The present invention can also employ top burners and bottom burners; the inlet of crossover section is located at middle-upper portion of radiant section wall. The present invention has the feature of uniform heat conduction, high effectiveness, flexible and simple operation and control, and small investment, it is suitable for cracking reaction of hydrocarbons feedstock.
    Type: Application
    Filed: September 19, 2002
    Publication date: April 17, 2003
    Inventors: Qingquan Zeng, Guoqing Wang, Shixing Xu, Zhaobin Zhang
  • Publication number: 20030066782
    Abstract: The present invention provides a pyrolysis furnace with new type heat supply and a method of high temperature cracking using the same. The present invention employs top burners and bottom burners combined heat supply; the inlet of crossover section is connected from middle-upper portion of side wall of radiant section wall; and the present invention has the feature of uniform heat supply, high effectiveness, flexible and simple operation and control, and small investment, it is suitable for cracking reaction of hydrocarbons feedstock.
    Type: Application
    Filed: September 19, 2002
    Publication date: April 10, 2003
    Inventors: Qingquan Zeng, Guoqing Wang, Shixing Xu, Zhaobin Zhang