Patents by Inventor Haoqin Zhang

Haoqin Zhang 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).

  • Publication number: 20240003252
    Abstract: A continuous mining and delayed filling mining method for a deep ore body masonry structure is provided, comprising: dividing an ore body into ore blocks along a trend, internally dividing each ore block into stopes with square masonry structures, and reserving a rib pillar between the ore blocks; arranging an ore block conveyor belt gallery and a stope conveyor belt gallery at the lower parts of the ore blocks, arranging ore block crossheading and stope crossheading at the upper parts of the ore blocks, mining the stopes in the sequence from the foot wall to the hanging wall. In accordance with the present disclosure, adverse effects caused by deep high geo-stress and high geo-temperature on mining operation can be effectively overcome. The method has the advantages of low carbon and environmental protection, safety of recovery operation, high mechanization of stope operation, low labor intensity of manual operation and the like.
    Type: Application
    Filed: August 29, 2022
    Publication date: January 4, 2024
    Applicant: Shandong Gold Mining Co., Ltd.
    Inventors: Mingde Zhu, Zaitao Liu, Chao Peng, Huanxin Liu, Yingjie Hao, Kuikui Hou, Yantian Yin, Zhihai An, Haoqin Zhang, Guilin Li, Xingquan Liu, Zhen Liu