公开(公告)号：US10975694B2

公开(公告)日：2021-04-13

申请号：US16467490

申请日：2018-03-23

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING ,  SHENZHEN UNIVERSITY

Inventor： Yang Ju ,  Heping Xie ,  Yong Zhang ,  Yan Zhu ,  Feng Gao ,  Xiaodong Nie ,  Changbing Wan ,  Jinxin Song ,  Chang Lu ,  Hongbin Liu ,  Zhangyu Ren

IPC: E21C41/16 ,  E21C41/18 ,  E21C45/00

Abstract: A mine field layout method suitable for fluidized mining of coal resources is provided. A main shaft and an air shaft are provided in the mine field, the bottom of the main shaft is located in the shallow horizontal coal seam zone, and the bottom of the air shaft is located in the deep horizontal coal seam zone. The horizontal main roadways are arranged at two boundaries along the strike of the coal seam, and inclined main roadways are arranged at two boundaries along the dip direction of the coal seam. Connecting roadways are located inside the mine field and are in communication with the horizontal main roadways. In the coal mining stage, the coal resources can be converted into the fluidized energy product and/or electricity by an unmanned automatic mining machine.

公开(公告)号：US10731962B1

公开(公告)日：2020-08-04

申请号：US16634134

申请日：2019-05-08

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

Inventor： Yang Ju ,  Chang Lu ,  Peng Liu ,  Zhangyu Ren ,  Hongbin Liu ,  Xiaolan Li ,  Changbing Wan ,  Xiaodong Nie ,  Yating Wang

IPC: G01B5/30 ,  G01B5/00 ,  G01N3/08

Abstract: A transparent constraint apparatus for the normal deformation of a planar model, including rigid transparent retainer plates, a planar model, and magnetic force components. The magnetic force components are provided at edge positions of the rigid transparent retainer plates; the normal direction of the planar model is parallel to the normal direction of the two rigid transparent retainer plates, and said two retainer plates are symmetrically arranged relative to the plane of symmetry of the planar model; the magnetic force components are symmetrically arranged relative to the plane of symmetry of the planar model, mutually symmetrical magnetic force components producing mutually attractive magnetic force. The transparent constraint apparatus solves the problem of constraining the normal deformation of a planar model under planar-strain conditions during testing.