Shenzhen University

Sichuan University

Cunbao Li

Heping Xie

Mingzhong Gao

Jianbo Zhu

Ling Chen

Zhiyi Liao

Zhiqiang He

Jun Guo

Cong Li

Jun Lu

Minghui Li

Zhouqian Wu

Delei Shang

Cancan Chen

Tao Zhou

Kai Zhang

Hongwei Zhou

Jun Wang

Jian Zhao

Zhichao Liu

Jianan Li

Xiting Long

Guoqing Zhang

Jiaxi Liao

Licheng Sun

Guangdi Deng

Xia Hua

Tianqi Zhai

Zhou Deng

A detachable geothermal in-situ thermovoltaic power generation module and an assembly method thereof are provided, including a heat pipe, with a cross section set as a regular polygon structure; a plurality of thermovoltaic power generation units sleeved on the heat pipe at intervals and arranged in series; each of the thermovoltaic power generation modules includes a housing, arranged at one side of the heat pipe, and a side of the housing facing the heat pipe is an open end; an electric heating block, arranged at one side of an inner cavity of the housing far from the open end; a framework, connected with an outer wall of the open end of the housing; the thermovoltaic power generation sheets are located between the framework and the electric heating block; the two hoops are respectively connected with the two ends of the housing, the hoops are sleeved on the heat pipe.

Generation module for deep geothermal energy and assembly method thereof

The present invention relates to a rock physico-mechanical testing chamber and a three-dimensional multi-field information perception cabin in simulated environments of deep earth, deep space, and deep sea. The testing chamber comprises a cabin body and 6 butting indenters; the 6 butting indenters are pairwise located in an X-axis direction, a Y-axis direction and a Z-axis direction; the 6 butting indenters are respectively mounted in through holes on six faces of the cabin body, inner ends of the butting indenters extend into the cabin body, outer ends of the butting indenters are exposed out of the cabin body, and the butting indenters can axially move relative to the cabin body. The present application can be used to achieve the reservoir rock mechanical behavior testing in real time under high and low environments.

Rock physico-mechanical testing chamber and three-dimensional multi-field information perception cabin in simulated environments of deep earth, deep space, and deep sea

The present invention relates to a deep rock in situ environment reconstruction and integrated three-dimensional mechanical-thermo-acousto-seismic-flow testing method, which comprises: preparing a cubic sample; placing the cubic sample in a sample holder; extending the 6 indenters to butt with the sample holder; butting 6 butting indenters with the 6 indenters; butting each of 6 hydraulic actuators with one of the butting indenters, performing stress loading on the cubic sample by the hydraulic actuator, filling a fluid medium into the cubic sample by a percolation medium channel, and dynamically measuring related parameters. The present application can achieve three-way multi-parameter synchronous monitoring and acquisition of deformation, acoustic emission, ultrasonic wave, temperature field, percolation field and heat flow field.

Deep rock in situ environment reconstruction and integrated three-dimensional mechanical- thermo-acousto-seismic-flow testing method

The application relates to a rock physico-mechanical testing system in simulated environments of deep earth, deep space, and deep sea, which comprises a three-axis six-direction loading system and an experimental cabin, wherein the three-axis six-direction loading system comprises a loading frame and 6 actuators; an experimental cabin accommodation chamber is arranged in the loading frame, the experimental cabin accommodation chamber is provided with 6 loading ports, and six actuators are each adapted to one of the loading ports; the experimental cabin comprises a cabin body and 6 butting indenters, wherein the 6 butting indenters are respectively arranged in through holes of the cabin body in six directions and can axially move relative to the cabin body; and front ends of the six actuators are each operatively butted with a rear end of one of the butting indenters. The application can be used to achieve the reservoir rock mechanical behavior testing.

Rock physico-mechanical testing system in simulated environments of deep earth, deep space, and deep sea

The present disclosure provides a thermal-stress-pore pressure coupled electromagnetic loading triaxial Hopkinson bar system and test method, the system mainly consists of an electromagnetic pulse generation system, a servo-controlled axial pressure loading system, a servo-controlled confining pressure loading system, a thermal control system, a pore pressure loading system, a bar system, and a data monitoring and acquisition system. Based on the conventional Hopkinson bar, the present disclosure creatively introduces a real-time loading and control system for confining pressure, thermal, and pore pressure, aiming to solve the technical problem that the existing test apparatus cannot be used to study dynamic response of deep rock mass under the coupling effect of thermal-stress-pore pressure and dynamic disturbance during dynamic impact loading.

Thermal-stress-pore pressure coupled electromagnetic loading triaxial Hopkinson bar system and test method

A uniaxial bidirectional synchronous control electromagnetic loaded dynamic shear test system and method, a test apparatus thereof including a support platform, a loading bar system, an electromagnetic pulse generation system, a servo-controlled normal pressure loading system, and a data monitoring and acquisition system. The test apparatus can be used to conduct a dynamic shear test research on a rock-like material under a constant normal pressure close to an actual operating condition, and can also be applied to carry out dynamic shear tests on intact rock-like test specimens in various sizes or jointed rock-like test specimens containing a single structural surface to study dynamic shear mechanical property and shear failure behavior under strain rate of 10−10s, thereby providing an important theoretical and technical support for the design, construction, protection, and safety and stability evaluation of geotechnical engineering, structural engineering.

Uniaxial bidirectional synchronous control electromagnetic loaded dynamic shear test system and method

A core sampling and preservation system comprises the following sequentially connected modules: a drive module (), a preservation module () and a core sampling module (). The core sampling module () comprises a core drilling tool and a core sample storage compartment. The preservation module () comprises a core sample preservation container. The drive module comprises a core drill having a liquid channel. The core sample preservation container comprises an inner core barrel (), an outer core barrel () and an energy storage device (). The outer core barrel () is sleeved onto the inner core barrel (). An upper end of the inner core barrel () is in communication with a liquid nitrogen storage tank (). The liquid nitrogen storage tank () is positioned inside the outer core barrel (). The energy storage device () is in communication with the outer core barrel (). The outer core barrel () is provided with a butterfly valve (). The system facilitates preserving a core at in-situ conditions, and has an increased drilling speed, thereby enhancing core sampling efficiency.

Core sampling and preservation system

A system for the in-situ retained coring of a rock sample has a driving module (), a retaining module (), and a coring module () which are connected in sequence. The coring module () includes a rock core drilling tool and a rock core sample storage cylinder, the retaining module () includes a rock core sample retaining compartment. The driving module includes a coring drill machine that has a drill machine outer cylinder unlocking mechanism. The rock core drilling tool includes a coring drill tool, a core catcher (), and an inner core pipe (). The coring drill tool has an outer core pipe () and a hollow drill bit (). The rock core sample retaining compartment has an inner coring cylinder (), an outer coring cylinder (), and an energy accumulator ().

System for in-situ retained coring of rock sample

A moon-based in-situ condition-preserved coring multi-stage large-depth drilling system and method therefor. The system includes a rotary plate provided inside a lander, an in-situ condition-preserved coring tool provided on a surface of the rotary plate, a space frame provided on a surface of the rotary plate, a working platform provided on a top of the space frame, a mechanical arm provided on a bottom surface of the working platform, and a camera provided on the bottom surface of the working platform, the mechanical arm is fixedly connected to the working platform, and the camera is fixedly connected to the working platform. By controlling the mechanical arm to place the in-situ condition-preserved coring tool on the moon surface, and using the in-situ condition-preserved coring tool to sample the lunar soil on the moon surface, the coring operation problem of the lunar soil is solved.

Moon-based in-situ condition-preserved coring multi-stage large-depth drilling system and method therefor

A fidelity retaining type coring device for a rock sample, comprising a rock core drilling tool, a rock core sample storage barrel, and a rock core sample fidelity retaining cabin. The rock core drilling tool comprises a coring drilling tool, a core catcher (), and an inner core pipe (); the coring drilling tool comprises an outer core pipe () and a hollow drill bit (), and the drill bit () is connected to the lower end of the outer core pipe (); the lower end of the inner core pipe () extends to the bottom of the outer core pipe (), and the inner core pipe () is in clearance fit with the outer core pipe (); the rock core sample fidelity retaining cabin comprises an inner coring barrel (), an outer coring barrel (), and an energy accumulator (); the outer coring barrel () is sleeved on the inner coring barrel (); the upper end of the inner coring barrel () is communicated with a liquid nitrogen storage tank (), and the liquid nitrogen storage tank () is located in the outer coring barrel (); the energy accumulator () is communicated with the outer coring barrel (); the outer coring barrel () is provided with a flap valve (). According to the device, a rock core can maintain its state in an in-situ environment; in addition, the drilling speed can be increased, and the coring efficiency can be improved.

Fidelity retaining type coring device for rock sample

The present disclosure relates to the field of scientific drilling technologies, and provides a deep rock in-situ active thermal-insulation coring device and thermal-insulation coring method thereof. The coring device comprises an in-situ coring system and an in-situ truth-preserving moving system, the in-situ coring system comprises a driving module, a coring module and a thermal insulation module, and the in-situ truth-preserving moving system comprises a truth-preserving chamber storage module and a mechanical arm; the thermal insulation module comprises a coring truth-preserving chamber and a temperature regulation control system, the truth-preserving chamber storage module comprises a storage truth-preserving chamber and a temperature balance control system, the mechanical arm is mounted in the storage truth-preserving chamber, and the coring truth-preserving chamber and the storage truth-preserving chamber are mutually butted.

Growing community of inventors

Guangdong, China

Cunbao Li