Patents by Inventor Longlong FU

Longlong FU 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).

  • FLUE GAS CIRCULATION SYSTEM FOR IMPROVING COMBUSTION CHARACTERISTICS AND THERMAL CHARACTERISTICS OF PULVERIZED COAL FIRED BOILER
    Publication number: 20260258941
    Abstract: Disclosed in the present application is a flue gas circulation system for improving combustion characteristics and thermal characteristics of a pulverized coal fired boiler. The flue gas circulation system comprises a plurality of circulation flue gas leading-out ports provided in a hearth outlet flue of a boiler, wherein the circulation flue gas leading-out ports are connected to a circulation flue gas leading-out main pipe by means of a circulation flue gas leading-out pipeline; the circulation flue gas leading-out main pipe is connected to a circulation flue gas leading-in main pipe; the circulation flue gas leading-in main pipe is connected to a circulation flue gas leading-in pipeline; and the circulation flue gas leading-in pipeline is connected to a hearth.
    Type: Application
    Filed: April 19, 2023
    Publication date: September 3, 2026
    Applicant: XI'AN THERMAL POWER RESEARCH INSTITUTE CO., LTD.
    Inventors: Yubo ZHANG, Liangping ZHANG, Chunchang WANG, Hui YANG, Chao LIU, Zhi SHEN, Hailong ZHANG, Longlong FU, Lijun DANG