Abstract: The present invention provides a testing device and method for determining interface mechanical parameters of natural gas hydrated soil. The testing device includes a reaction kettle, a rotating power mechanism, a sample loading mechanism, a pressure mechanism, an atmosphere regulating mechanism, and a temperature regulating mechanism. The testing method is implemented based on this device. The device and method can improve accuracy and reliability of determining mechanical parameters at an interface of hydrated soil containing natural gas.

Abstract: A device and method for collecting heat bags and solidifying and filling calcareous sand foundation, belonging to the field of civil engineering geological treatment technology. The solar heat collection bag comprises a transparent and permeable part and an insulation material, wherein the insulation material comprises a heat absorbing layer, an insulation layer, and a fabric layer. The heat absorbing layer, insulation layer, and fabric layer are fixedly combined from top to bottom to form an integrated transparent and permeable part. The edge of the transparent and permeable part is the first edge, and the edge of the insulation material is the second edge; The transparent heat permeable part and insulation material are combined into one through the first and second edges, forming a containment space between the transparent heat permeable part and the insulation material, so that the medium contained in the containment space can be heated by solar energy.

Abstract: An energy-gathering ultrasonic scrubbing device includes a scrubbing cylinder, a reverse stirring system, an energy-gathering ultrasonic vibrator and a slurry storage tank. The reverse stirring system is located inside the scrubbing cylinder. It includes a rotating shaft and at least four layers of reverse stirring blade structures arranged in an axial direction of the rotating shaft. Each layer of reverse stirring blade structure includes several blades arranged in a circumferential direction of the rotating shaft. Inclination directions of blades of two adjacent layers relative to the rotating shaft are opposite. The energy-gathering ultrasonic vibrator includes an ultrasonic transducer and an energy-gathering vibration transmitting rod. The ultrasonic transducer is fixed outside of the scrubbing cylinder. The energy-gathering vibration transmitting rod is connected to the ultrasonic transducer and located inside the scrubbing cylinder.

Abstract: An efficient multiphase-flow graded-separation, concentration, and purification system for argillaceous sandstone uranium ore includes a hydraulic tossing washing and scattering pretreatment device, a high-frequency linear vibration grading device, a first-stage multiphase-flow swirling grading device, an energy-gathering ultrasonic scrubbing device, a second-stage multiphase-flow swirling grading device, a high-frequency linear vibration dewatering device, an efficient uniform-mixing and activating system and a conditioning and pressing dewatering system. The present disclosure implements intensive mud-sand stripping of crushed argillaceous sandstone uranium ore, fine graded-separation of material, and efficient uniform-mixing and activating and deep efficient dewatering of fine-particle argillaceous material. Finally, four types of core material of coarse sand material, fine sand material, dry tailings residue and a high-concentration uranium ore leaching solution are formed through continuous work.

Abstract: The present disclosure relates to a static cone penetration test device. The device includes a housing, an optical window and a friction cylinder coaxially connected. Light sources are mounted in the optical window and a static cone penetration assembly is disposed in the friction cylinder to detect a resistance the device suffers when the device is pressed into soil. An optical fiber sensor, a wireless transceiver, a data processing chip and a power supply are disposed in the housing. The optical fiber sensor is used to receive the reflected light of a target object and output spatial position information and spectrum information. The wireless transceiver is used to upload test data and receive a control signal. The data processing chip is used to analyze the test data. The present disclosure has the advantages of compact structure, high spectral resolution, quick imaging speed, and strong immunity to interference.

Abstract: The present disclosure relates to the field of rock soil detection and in particular to a multi-probe nuclear magnetic resonance (NMR) rock soil in-situ monitoring system, which includes a multi-probe component, a spectrograph component, an industrial control computer and a power cable. The multi-probe component includes a shell and multiple nuclear magnetic probes disposed inside the shell. The multiple nuclear magnetic probes are respectively located at the soil layers of different depths and have different measurement frequencies. The spectrograph component is used to transmit and receive NMR-measured radio frequency signals, the industrial control computer is used to transmit a measurement instruction and perform real-time processing on the measurement data, and the power cable is connected with the multiple nuclear magnetic probes, the spectrograph component and the industrial control computer to supply power and transmit the measurement data.

Abstract: The present disclosure relates to a static cone penetration test device. The device includes a housing, an optical window and a friction cylinder coaxially connected. Light sources are mounted in the optical window and a static cone penetration assembly is disposed in the friction cylinder to detect a resistance the device suffers when the device is pressed into soil. An optical fiber sensor, a wireless transceiver, a data processing chip and a power supply are disposed in the housing. The optical fiber sensor is used to receive the reflected light of a target object and output spatial position information and spectrum information. The wireless transceiver is used to upload test data and receive a control signal. The data processing chip is used to analyze the test data. The present disclosure has the advantages of compact structure, high spectral resolution, quick imaging speed, and strong immunity to interference.

Abstract: The present invention discloses a device and method for collecting heat bags and solidifying and filling calcareous sand foundation, belonging to the field of civil engineering geological treatment technology. The solar heat collection bag comprises a transparent and permeable part and an insulation material, wherein the insulation material comprises a heat absorbing layer, an insulation layer, and a fabric layer. The heat absorbing layer, insulation layer, and fabric layer are fixedly combined from top to bottom to form an integrated transparent and permeable part. The edge of the transparent and permeable part is the first edge, and the edge of the insulation material is the second edge; The transparent heat permeable part and insulation material are combined into one through the first and second edges, forming a containment space between the transparent heat permeable part and the insulation material, so that the medium contained in the containment space can be heated by solar energy.

Abstract: The disclosure relates to a multi-probe NMR rock soil in-situ monitoring method, which includes: placing a multi-probe component to a target layer in a soil drill hole, where the multi-probe component includes NMR probes respectively located at the soils at different depths and having different measurement frequencies; performing in-situ NMR measurement on soils at different depths at the same time; by using a spectrometer component, receiving measurement signals from all NMR probes and performing frequency mapping analysis to distinguish NMR raw measurement data collected by each NMR probe; by using the spectrometer component, transmitting the raw measurement data to an industrial control computer to perform an inversion processing on the measurement data of the NMR probes and obtain T2 distribution mapping of the soils at different positions; based on the T2 distribution mapping, obtaining a water ratio of soil, a soil-water characteristics curve, soil non-homogeneity information and oil pollutant informati

Abstract: The present invention provides a testing device and method for interface mechanical parameters of natural gas hydrated soil. The interface mechanical parameter testing device for natural gas hydrated soil includes a reaction kettle, a rotating power mechanism, a sample loading mechanism, a pressure mechanism, an atmosphere regulating mechanism, and a temperature regulating mechanism. The testing method for interface mechanical parameters of hydrated soil containing natural gas is implemented based on this device. It can improve the accuracy and reliability of mechanical parameters at the interface of hydrated soil containing natural gas.

Abstract: The invention provides a self drilling side pressure simulation test device and method for a formation containing natural gas hydrate, belonging to the technical field of geotechnical mechanics. The device comprises a reactor, a cutting tool, a mud conveying mechanism and a side pressure testing device. The reactor is used to fill the simulated substance of the formation containing natural gas hydrate to be tested. The cutting tool is arranged in the reactor, and the cutting tool can move up and down relative to the reactor. One end of the mud conveying mechanism is connected with the reactor, for outputting the mud cut by the cutting tool from the reactor; The side pressure test device can complete the side pressure test experiment with the cutting tool moving to the set depth. The method is implemented based on the device. The in-situ test method can directly test the engineering mechanical parameters of the formation containing natural gas hydrate.

Abstract: The invention provides a self drilling side pressure simulation test device and method for a formation containing natural gas hydrate, belonging to the technical field of geotechnical mechanics. The device comprises a reactor, a cutting tool, a mud conveying mechanism and a side pressure testing device. The reactor is used to fill the simulated substance of the formation containing natural gas hydrate to be tested. The cutting tool is arranged in the reactor, and the cutting tool can move up and down relative to the reactor. One end of the mud conveying mechanism is connected with the reactor, for outputting the mud cut by the cutting tool from the reactor; The side pressure test device can complete the side pressure test experiment with the cutting tool moving to the set depth. The method is implemented based on the device. The in-situ test method can directly test the engineering mechanical parameters of the formation containing natural gas hydrate.