4results about How to "Comprehensive sampling" patented technology

The present application relates to the technical field of shale gas sampling, in particular to a shale gas exploitation sampling device and method, the device comprises a box body and an inspection door, a filter box is arranged in the upper middle part of the box body, a low-temperature box is arranged in the lower middle part of the box body, an adsorption box is arranged in one end of the box body, a shunt pipe is arranged on the inner wall of the bottom end of the low-temperature box, a cooling mechanism for low-temperature water removal is arranged in the low-temperature box, a filtering mechanism for automatic filtering and automatic cleaning is arranged in the filter box, an adsorption mechanism for adsorption is arranged in the adsorption box, and a connecting mechanism for connecting a sampling pipeline is arranged in one end of the box body. The device can be suitable for sampling pipelines of different sizes and shapes, can ensure the firmness and sealing property of the connection, can automatically sample and purify different shale gases comprehensively, and can ensure the accuracy and sufficient amount of sampling.

The utility model belongs to soil sampling technical field especially is soil profile layered sampler, including mounting panel, the lower surface fixed mounting of mounting panel has outer tube, and the upper and lower sides of outer tube are all open structure, the lower surface of outer tube is installed with inner tube through locking mechanism, and the inner wall between inner tube is provided with separating mechanism, four drive mechanisms are fixedly installed on the mounting panel of inner tube correspondence, and drive mechanism is movably inserted in inner tube, and drive mechanism includes ball screw, bearing assembly, handle, ball nut, connecting pipe and plug, the utility model discloses through separating mechanism of inner tube and drive mechanism cooperation, makes inner tube to be able to satisfy different depth and soil and carry out layered collection, makes soil sampling more diversification, and subsequent detection result is more accurate, and it is convenient to dismount to inner tube, can be transported together with inner tube to soil, effectively avoid soil being contaminated, ensure the accuracy of subsequent detection result.

The application discloses a broadcast transmitter switching device and a switching method thereof, and the switching device comprises a mechanical carrier and a control unit; the mechanical carrier comprises a cabinet body, a resistor body framework and a fan support are arranged in the lower part of the cabinet body, a first resistor body and a second resistor body are arranged on the resistor body framework, a first fan and a second fan are arranged on the fan support, a first partition plate is arranged on the upper part of the resistor body framework, an external interface plate is arranged on the first partition plate, a second partition plate is arranged in the upper part of the cabinet body, a coaxial converter is arranged on the upper part of the second partition plate, an emergency support is arranged on the lower part of the second partition plate, a front door and a back door are arranged on the cabinet body, a switch, an indicator lamp and a high-frequency power meter are arranged on the front door panel, and the external interface plate and the emergency support are arranged on the inner side of the back door. The application can be effectively applied to the switching of the broadcast transmitter, stable and efficient switching between the main machine, the standby machine, the transmitting antenna and the dummy load can be realized, the performance is stable and reliable, the market prospect is wide, and the application is convenient to popularize and use.

This utility model discloses a multi-level regional monitoring device for water quality in water utilization, including a detection end and a sampling end. The detection end includes a sinking plate, a cover, a horizontal shaft, a drive motor, and a water receiving assembly on the top of the sinking plate. The sinking plate is rotatably connected to the horizontal shaft via bearings, and steel wire ropes are installed at both ends of the horizontal shaft. The sampling end includes a bottom plate, a central chamber, and a rope connecting seat. The rope connecting seat is correspondingly connected to the steel wire rope. The central chamber has a top seat on top, a floating assembly on the outside, a water inlet, and an equipment cavity at the bottom. An arc-shaped guide edge and an arc-shaped guide plate are provided on one side of the equipment cavity. The central chamber contains a pump drive source, a pump assembly, a linkage frame, and a sealing plate. The sealing plate is located between the arc-shaped guide plate and the arc-shaped guide edge. This utility model has the advantage of being able to monitor water quality at different depths within a water area, providing a more comprehensive and accurate assessment of water quality.