-
1.发明公开公开(公告)号：US20240360762A1
公开(公告)日：2024-10-31
申请号：US18364733
申请日：2023-08-03
Applicant: Taiyuan University of Technology
Inventor： Guorui FENG , Junbiao MA , Jinwen BAI , Ruikai PAN , Yanna HAN , Xudong SHI , Jiachen MI , Guowei WU , Jun GUO , Fei CHANG
CPC classification number: E21F17/16 , C04B14/06 , C04B18/0418 , C04B22/064 , C04B22/143 , C04B40/0231 , E21D11/10 , C04B2111/00017
Abstract: Disclosed is a method for backfilling and reconstructing a carbon storage space in an abandoned main roadway and storing CO2. A surrounding rock of the main roadway is surveyed through geophysical exploration technology, and an anchor bolts (anchor cables) are used to reinforce and support an area which has unstable confining pressure bearing. According to a width and a height of the roadway section of the main roadway, a support formwork is forged in advance, and after the support formwork is placed in the main roadway, backfilling slurry is injected to the periphery of the support formwork. Meanwhile, supercritical carbon dioxide is injected into the backfilling slurry and the roadway, respectively.
-
2.发明申请公开(公告)号：US20220244152A1
公开(公告)日：2022-08-04
申请号：US17585960
申请日：2022-01-27
Applicant: Taiyuan University of Technology
Inventor： Guorui FENG , Xudong SHI , Jinwen BAI , Xinyu YANG , Boqiang CUI , Xianjie DU
Abstract: A device and a method for testing tensile resistance of multiple-row grouped pillars in an inclined goaf are provided. The bottoms of stands of the device are connected with a testing machine base, and the tops of the stands of the device are connected with a transverse frame; an upper slideable clamping seat and a lower slideable clamping seat are semi-cylindrical blocks, multiple lower loading jaws that are positioned to have a same central line are arranged on the lower slideable clamping seat, each of the lower loading jaws is opposite to a corresponding one of the upper loading jaws, the lower loading jaws are welded to the lower slideable clamping sea to test the tensile resistance of samples together; the upper part of the upper slideable clamping seat is connected with an upper pressure disk, and the lower slideable clamping seat is connected with a lower pressure disk.
-
Patent Agency Ranking
公开(公告)号：US20220244139A1
公开(公告)日：2022-08-04
申请号：US17584474
申请日：2022-01-26
Applicant: Taiyuan University of Technology
Inventor： Guorui Feng , Jinwen BAI , Xudong SHI , Boqiang CUI , Xinyu YANG , Kai WANG , Haotian WU
Abstract: A device and method for testing bearing capacity of single-row grouped pillars in a horizontal goaf under biaxial loading is disclosed. Four fixed rings are arranged on testing machine base, and have stands installed therein respectively, bottom ends of the stands are connected with the base, top ends are connected with transverse frame, sliding rails are arranged on two sides of the base; the vertical force loading devices are arranged at a lower part of transverse frame and the horizontal force loading devices are arranged at inner sides of side frame. Simultaneous loading on multiple coal samples, rock samples, filling body samples, concrete samples, coal-filling samples and/or rock-filling samples can be achieved, the overall bearing capacity of a single-row group pillar system in the horizontal goaf under the biaxial compression condition can be obtained, and the mutual influence relation between grouped pillar individuals in the horizontal goaf can be attained.
-
公开(公告)号：US20240301782A1
公开(公告)日：2024-09-12
申请号：US18364720
申请日：2023-08-03
Applicant: Taiyuan University of Technology
Inventor： Guorui FENG , Jian LI , Jinwen BAI , Jun GUO , Junbiao MA , Xudong SHI
IPC: E21B43/295 , E21F15/00
CPC classification number: E21B43/295 , E21F15/00
Abstract: Disclosed is a method for remining a residual coal pillar in a residual mining area by collaboration of pillar-side backfilling and in-situ gasification. The method includes the following steps of: ascertaining geological and hydrological conditions, a geometric shape and a reserve of a residual coal pillar; determining the feasibility of underground gasification mining for the residual coal pillar; carrying out side supporting on the residual coal pillar in a goaf by using a pillar-side backfilling method; and carrying out the underground gasification mining on the residual coal pillar by means of an underground coal gasification process.
-
公开(公告)号：US20220244153A1
公开(公告)日：2022-08-04
申请号：US17586061
申请日：2022-01-27
Applicant: Taiyuan University of Technology
Inventor： Guorui FENG , Tingye QI , Jinwen BAI , Chao SONG , Shuiyun HOU , Lirong LI , Yanqun YANG , Xudong SHI
Abstract: A device and method for testing the bearing capacity of grouped pillars in the inclined goaf under coupled biaxial static and disturbance stresses are provided. Four protection rings are arranged on a base, each protection ring is installed with one machine frame therein, a bottom end of the machine frame is connected with the base and a top end thereof is connected with a transverse frame. Sliding rails are arranged on two sides of the base, side frames are installed on the sliding rails. A vertical force loading device is arranged at a bottom of a workbench, transverse force loading devices are arranged on inner sides of the side frames respectively. A force disturbance device is arranged at the bottom of the transverse frame. An upper slidable clamping seat and an upper pressure disk are arranged above the samples, and a lower slidable clamping seat is arranged below the samples.
-
公开(公告)号：US20240360761A1
公开(公告)日：2024-10-31
申请号：US18364727
申请日：2023-08-03
Applicant: Taiyuan University of Technology
Inventor： Jinwen BAI , Junbiao MA , Yanna HAN , Ruikai PAN , Xudong SHI , Gowei WU , Jun GUO , Jian LI , Fei CHANG
CPC classification number: E21F17/16 , C04B14/06 , C04B18/0418 , C04B22/064 , C04B22/143 , C04B40/0231 , C04B2111/00017 , C04B2111/00724
Abstract: Disclosed is a combined process of integrating stoping-backfilling and carbon storage. The combined process includes the following steps of: determining a cyclic interval of a working face through measured data of a mine pressure of a fully-mechanized coal winning working face; when the stoping distance of the fully-mechanized coal winning working face reaches a backfilling isolation interval, providing a backfilling tarpaulin behind a hydraulic support, and pumping, through a backfilling pipeline, backfilling slurry to a backfilling area along a support beam; when the area is backfilled with the backfilling slurry, injecting supercritical carbon dioxide into the backfilling slurry; and allowing the supercritical carbon dioxide to fully react with the backfilling slurry to solidify the backfilling slurry.
-
公开(公告)号：US20220390340A1
公开(公告)日：2022-12-08
申请号：US17835926
申请日：2022-06-08
Applicant: Taiyuan University of Technology
Inventor： Guorui FENG , Kai WANG , Jinwen BAI , Jun GUO , Boqiang CUI , Xudong SHI , Haotian WU , Xinyu YANG , Cheng SONG
IPC: G01N3/10
Abstract: A loading system for a Hopkinson pressure bar test under water-gas-temperature multi-field coupling action includes: a sample sealed cabin which includes sealing flanges, Y-shaped and high-temperature resistant sealing rings, and a sealed cabin body; a gas pressure loading device which includes a high-pressure gas tank, a pressure regulating valve, a second barometer, a second high-pressure valve and a first three-way valve connected in sequence; a water pressure loading device which includes an electric pressure test water pump, a water pressure gauge, an accumulator and a one-way valve connected in sequence; a temperature loading device which includes thermocouple heating rods, a temperature display and a thermocouple temperature control circuit board connected in sequence; and a dynamic and static combined loading device which includes an axial pressure loading device, an impact loading device and a Hopkinson pressure bar member.
-
-
-
-
-
-
Search Results
7
records
(took 0.014 seconds)
