649 results about "Liquid injection" patented technology

The invention discloses an experimental device and method for controlling migration and mineralization of ore-forming fluid in a wrinkle deformation process, and belongs to the technical field of ore deposit geology. The device comprises an ore liquid synthesis unit and a mechanical deformation simulation and mineralization analysis unit. The mechanical deformation simulation unit comprises a box body, an extrusion deformation system, a liquid injection system and a heating temperature control system, and can synchronously realize visual analysis of structure extrusion, fluid injection and mineralization precipitation at high temperature. The experimental method comprises the following steps: firstly, preparing a simulated metallogenic fluid containing FeS2 (pyrite); laying simulated surrounding rock and wrinkles in the box body, arranging a separation layer, and heating; extruding the sand layer and injecting fluid to simulate a mineralization process; and slicing, sampling and analyzing after model consolidation, and establishing a mineralization space distribution model. The device is simple in structure and convenient to operate, the whole process of fold extrusion, crack extension, fluid migration and mineral precipitation can be repeatedly represented, and an experimental basis is provided for hydrothermal deposit mineralization mechanism research and prospecting prediction.

The embodiment of the invention provides a monitoring device and method for strain transmission from a crack to an optical fiber in a fracturing experiment, and belongs to the technical field of experimental physical simulation. In the device, a pressure medium injection module injects fracturing fluid into a sealed liquid injection shaft arranged on a rock sample until a fracturing crack generated by the rock sample meets the fracturing experiment purpose; the triaxial pressurization module applies confining pressure conforming to the stress condition of the experimental object to the rock sample; and the data processing module receives and processes the optical fiber strain signal acquired by the optical fiber so as to invert the transmission characteristics of the optical fiber strain in the fracturing experiment. Wherein the rock sample is provided with a plurality of penetrating holes; the optical fiber is wound around the rock sample along two or more of the plurality of through holes to acquire the optical fiber strain signal. The device can accurately position the three-dimensional expansion direction and the inclination angle of the crack in the fracturing process, so that researchers are helped to finely analyze a theoretical model of crack stress transfer.

The invention relates to the technical field of industrial control, and discloses a soda water production line intelligent control method and system based on the Internet of Things, and the method comprises the steps: obtaining a backpressure valve reference pressure value according to the obtained real-time dynamic data through employing a pre-constructed carbonation digital twin model, and calculating the backpressure valve reference pressure value according to the backpressure valve reference pressure value; the carbonation digital twinning model is set to obtain a theoretical pressure value by adopting the Henry law according to the target gas content and the real-time data of the mixed liquid temperature, and obtain a predicted pressure value by adopting the pre-constructed pressure prediction model according to the target gas content, the real-time data of the raw material liquid injection flow and the real-time data of the carbon dioxide injection flow; further obtaining a reference pressure value of the back pressure valve; according to a first difference value between the target gas content and the real-time gas content of the mixed liquid, a first feedback correction algorithm is adopted to correct the reference pressure value of the back pressure valve, and a dynamic pressure control instruction of the back pressure valve is obtained; and controlling the back pressure valve to execute the back pressure valve dynamic pressure control instruction. According to the method, the taste stability of the soda water is effectively improved.

The invention discloses an intelligent liquid supplementing and sampling system and method of a microorganism sampler and an unmanned flight system. A control module controls a sampling liquid pump to inject sampling liquid in a sampling liquid bottle into a wet-wall cyclone type sampler by a preset liquid injection amount and suspends the sampling liquid pump; the control module controls the fan to inject air into the wet-wall cyclone sampler for sampling, and adjusts the rotating speed of the fan in real time according to the flow detected by the sampling flow sensor, so that the sampling flow is maintained in a preset flow range; in the sampling process, the temperature sensor is used for detecting the temperature of the current air environment in real time per second, the humidity sensor is used for synchronously detecting the humidity of the current air environment in real time per second, and the control module is used for substituting the current temperature and the current humidity into a one-second sampling liquid evaporation capacity fitting function. And calculating the evaporation capacity of the sampling liquid in one second in the current temperature and humidity environment, controlling the working liquid supplementing time of the sampling liquid pump, and injecting the sampling liquid into the wet-wall cyclone type sampler to realize intelligent real-time liquid supplementing.

The invention discloses an electromagnetic and hydraulic combined bulging and correcting method for a pipe plate. The method comprises the steps of 1, feeding treatment, 2, electromagnetic pre-activation treatment, 3, hydraulic precise bulging treatment, 4, pressure maintaining and shaping treatment, 5, electromagnetic and hydraulic collaborative correcting treatment and 6, material taking and post-treatment. The device comprises a machine frame which is vertically symmetrical and provided with a forming lower die and an opening and closing upper die through a hydraulic oil cylinder, a temperature sensor and a strain gauge are embedded in the lower side in a die cavity, high-frequency induction coils are arranged on the outer surfaces of the forming lower die and the opening and closing upper die, and a pulsed magnetic field generator is embedded in the top in the opening and closing upper die. A liquid injection opening is formed in the side edge of the upper opening and closing mold and is connected with a high-pressure oil pump through a pipeline; a main controller is further arranged on the rack; through a staged coupling process, the deformation resistance during bulging is reduced, elastic recovery is eliminated through cooperative shape correction, meanwhile, the device integrates multiple modules, real-time matching of electromagnetic parameters and hydraulic pressure is achieved, and the device adapts to forming of pipe plates made of different materials and in complex shapes.

The invention discloses a visual monitoring system for the repairing effect of a cable buffer layer repairing liquid based on multi-sensor information fusion. The monitoring system comprises a repairing liquid injection control module, a multi-sensor monitoring module, a data fusion analysis module and a visual terminal module. The device has the beneficial effects that a synergistic effect is formed through technical improvement of the four modules, the diffusion range and penetration depth of the repair liquid can be accurately captured in real time, waste and liquid accumulation caused by excessive injection of the repair liquid are avoided, and the blind area problem of a traditional repair technology is solved; meanwhile, a parameter database and a self-adaptive fusion algorithm are universalized, so that the adaptability of the technology to different scenes is greatly improved, and the limitation that the traditional technology is poor in universality is broken through; and through real-time dynamic map display and historical data tracing functions, alarm and injection control are linked to form a closed loop, so that visual control of the repair effect is realized, and the safety and controllability of the repair process are further guaranteed.

The utility model discloses automatic enzyme-linked immunoassay detection equipment which comprises a processing module and a washing liquid module, and the processing module comprises a pipetting module, a clamping jaw module and an operation processing area, the operation treatment area is provided with a reaction container, a cleaning position, a cleaning head matched with the cleaning position, an oscillation incubation area, a sample adding area, a consumable loading area, a reagent loading area and an enzyme immunoassay detection area, the cleaning head comprises a liquid injection needle and a liquid suction needle, and the pipetting module and the clamping jaw module can be driven to move along the operation treatment area. The pipetting module can transfer a sample liquid or a reagent to the reaction container, the clamping jaw module can move to the reaction container to perform cover opening and closing operation and can transfer the reaction container into a cleaning position, and the washing liquid module can be in fluid communication with the liquid injection needle and the liquid suction needle to complete cleaning of the reaction container. The detection equipment provided by the utility model can realize a series of full-automatic enzyme immunoassay detection such as sample transfer, reagent transfer, enzyme immunoassay reaction, cleaning and enzyme immunoassay detection.

The invention discloses grouting body surface roughness measuring equipment and a measuring method, and the equipment comprises a sample forming device which comprises a sample forming box; the liquid injection device comprises a liquid injection container and a connecting pipe, the two ends of the connecting pipe are connected to the sample forming box and the liquid injection container respectively, and first liquid is loaded in the liquid injection container; the measuring device comprises a measuring container and a balance, the balance detects the weight change of the measuring container, and the measuring container is filled with second liquid; and the cooling device is connected with the sample forming box and transmits cold energy. By injecting the first liquid and adopting a cooling condensation mode, the process of actual grouting and waiting for slurry solidification is simulated, the condensation time is shorter so as to save the experiment time, and after the experiment, the sample can be heated to be melted and recycled, the experiment can be repeated for multiple times, and the waste of materials in the experiment process is reduced. Moreover, the second liquid is used for replacing traditional sand, and the second liquid can flow into various tiny gaps, so that the detection precision is higher.

The utility model relates to the technical field of microfluidics, and discloses a microfluidics device. A microfluidic main body of the microfluidic device is provided with a first liquid flow channel and a second liquid flow channel, the first liquid flow channel comprises a first liquid injection port, a mixing communication port and a first pressure equalizing port which are communicated in sequence, and the second liquid flow channel comprises a second liquid injection port, a fusion cavity, a reaction cavity and a second pressure equalizing port which are communicated in sequence; the control unit comprises a micro-flow pump, a flow meter, a liquid drop generator and a temperature control chip which are in communication connection, the micro-flow pump and the flow meter are both arranged between the second liquid injection opening and the fusion cavity and used for pumping a preset amount of second solution to the fusion cavity, and the liquid drop generator is arranged at the cavity bottom of the reaction cavity and communicated with the mixing communication opening; the dispersing device is used for dispersing a first solution to be mixed with a second solution in the fusion cavity to form a mixed solution; the temperature control chip is arranged in the reaction cavity and used for providing a preset temperature for the mixed solution in the reaction cavity. The micro-fluidic device disclosed by the utility model is higher in integration level and has more functions at the same time.

The invention is suitable for the technical field of heat pipe experiment systems, and provides a heat pipe experiment system and method based on visual visualization and dual-seal temperature control, and the system comprises a visual heat pipe, a temperature adjustment module, a data collection module, a liquid injection module and a glass temperature monitoring feedback module. The visual heat pipe adopts an aluminum alloy cover plate, visual glass and a copper substrate to form a double-sealing structure. The system integrates a glass temperature monitoring and feedback mechanism, prevents the observation window from fogging, prevents the temperature of the observation window from being too high, and guarantees high-definition visual observation. And the data acquisition module synchronously records the thermal parameters and the dynamic image of the condensed liquid drop, and quantitatively analyzes the behavior of the liquid drop through an image processing technology. The system can realize high-definition observation, high-precision temperature control and quantitative analysis of the internal condensation process of the flat heat pipe at different inclination angles and under different working conditions, and is suitable for in-depth research of a phase-change heat exchange mechanism and heat pipe performance.

The utility model relates to the technical field of automatic production of contact lenses, in particular to liquid injection and mold closing equipment for light diffusion sheets of contact lenses, which comprises a temporary storage dust removal mechanism for temporarily storing an upper mold, a rotary pickup mechanism for carrying and rotating the upper mold, and a mold closing module for driving the rotary pickup mechanism to move, during rotary mold closing, an upper mold is carried to the temporary storage dust removal mechanism, the temporary storage dust removal mechanism carries out dust removal on the upper mold and then temporarily stores and places the upper mold, the mold closing module drives the rotary picking mechanism to reach the temporary storage dust removal mechanism to obtain the upper mold, the rotary picking mechanism rotates the upper mold to a specified angle, and the mold closing module drives the rotary picking mechanism to place the upper mold on the lower mold. Mold closing is completed; according to the utility model, the overall structure is compact, the functions of temporary storage, dust removal, rotary alignment and placement and die assembly are integrated, and the rapid rotary alignment of the contact lens astigmatism sheet can be completed without redundant turnover and complex actions, so that the processing automation of the astigmatism sheet is improved, and the production and processing efficiency of the contact lens is improved.

The invention discloses a microfluidic pre-focusing chip, and belongs to the technical field of microfluidics, the chip comprises a piezoelectric substrate, an interdigital transducer and a micro-cavity, the micro-cavity is bonded on the piezoelectric substrate, the micro-cavity comprises a main cavity channel, two ends of the main cavity channel are respectively provided with at least one sample input port and at least one sample output port, and the main cavity channel is connected with the interdigital transducer. The interdigital transducers are arranged on the piezoelectric substrate, located on the two sides of the main cavity channel respectively and arranged in the direction perpendicular to the flowing direction of a sample in the main cavity channel, the microcavity further comprises side cavity channels distributed on the two sides of the main cavity channel, filling liquid injection ports are formed in the side cavity channels, filling liquid is a liquid photocurable material, and the filling liquid injection ports are communicated with the main cavity channel. Meanwhile, the invention further discloses a design, manufacturing and application method of the chip, and the two-stage functions of pre-focusing and concentration can be effectively achieved under the sheath flow-free condition.

The invention discloses an ionic rare earth ore leaching liquid flow direction dynamic monitoring method based on cooperation of an active seismic source and a distributed optical fiber, and belongs to the technical field of ionic rare earth ore mining. The method comprises the following steps: determining a layout scheme of an active seismic source and a distributed optical fiber network; arranging a corresponding active seismic source and a distributed optical fiber network; exciting the active seismic source array to collect a rock-soil body background signal; injecting liquid through the liquid injection pipeline, and emitting elastic seismic waves with preset frequency and amplitude through the active seismic source; the distributed optical fiber network collects a strain fluctuation signal and an active seismic source response signal in real time; carrying out real-time signal data preprocessing and feature extraction; carrying out data processing to realize wave velocity-strain field joint inversion; and comprehensively analyzing to obtain the diffusion direction of the leaching solution. According to the method, reference is provided for scientific arrangement of liquid collecting systems such as horizontal drill holes and liquid collecting roadways, the recovery rate of the mother liquid in the ore leaching process is further increased, and pollution to the environment due to the fact that the ore leaching liquid permeates into underground water is reduced.

The invention discloses a medium and long distance projection type ignition device for forests, and belongs to the technical field of field ignition, the medium and long distance projection type ignition device for forests comprises a launching tube assembly, a pneumatic propelling system, an ethylene glycol liquid injection system, a combustion ball ammunition supply mechanism, a trigger assembly and an operating handle, a sliding sleeve is arranged on the launching tube assembly, and the launching tube assembly is movably installed on the operating handle through the sliding sleeve; the pneumatic propelling system is detachably and fixedly connected with the operating handle, and the pneumatic propelling system is communicated with the launching tube assembly through a high-pressure gas pipeline; the ethylene glycol liquid injection system is detachably and fixedly connected with the transmitting tube assembly, and an injection port of the ethylene glycol liquid injection system corresponds to an inner cavity of the transmitting tube assembly; a ball falling hole is formed in the bottom of the combustion ball supply mechanism; and the trigger assembly is linked with a control valve of the pneumatic propulsion system. The remote ignition device is suitable for various scenes such as forest fire prevention, ecological burning, power transmission line obstacle removal and the like, and is a remote ignition tool which has the advantages of remote projection, accurate control, safety, reliability and convenience in maintenance.

The utility model provides a cleaning fluid recovery device of a vacuum three-in-one dryer, which relates to the field of vacuum three-in-one dryers and comprises a tank component, a transmission component is arranged on one side of the tank component, and a fluid collection component is arranged at the bottom of the transmission component. Through cooperation of the first electromagnetic valve and the fourth electromagnetic valve, circulation of the liquid discharging pipe and the liquid conveying pipe can be controlled, so that the flowing track of cleaning liquid is limited, the cleaning liquid is recycled from the main tank to the recycling box, waste of the cleaning liquid is reduced, and the utilization rate of resources is increased; a magnetic filter screen and an ultrafiltration screen arranged in the recycling box can perform double filtration on the recycled cleaning liquid, impurities and particles in the cleaning liquid are removed, the purity and the reuse quality of the cleaning liquid are guaranteed, the recycled cleaning liquid can be well conveyed into a liquid injection pipe and a cleaning ball again through a conveying assembly, and the cleaning efficiency is improved. And the main tank is convenient to clean, cyclic utilization is realized, and the use cost is greatly reduced.

The invention discloses a static leveling instrument calibration device and method, a storage medium and a controller. The static leveling instrument calibration device comprises a liquid level communication tank; a first reference liquid level tank; a second reference liquid level tank; a liquid supply metering module; the first movable distance measuring module comprises a first moving assembly and a first laser distance measuring instrument; the second movable distance measuring module comprises a second moving assembly and a second laser distance measuring instrument; the controller is used for controlling the liquid supply metering module to perform quantitative liquid injection for multiple times, and according to a first current liquid level value measured by the laser range finder after each time of liquid injection, a second current liquid level value measured by the second laser range finder and an output value generated by each to-be-calibrated static force level gauge, calibration parameters of each to-be-calibrated static force level gauge are determined; and when the measuring range of the to-be-calibrated hydrostatic level gauge is greater than that of the first laser range finder, controlling the moving assembly to adjust the measuring range of the laser range finder according to the current liquid level value, and controlling the second moving assembly to adjust the measuring range of the second laser range finder according to the second current liquid level value.

The invention belongs to the technical field of fire extinguishing devices, and particularly relates to a narrow-space adaptive compressed air foam fire extinguishing device for a high-rise building escape way, and provides the following scheme that the narrow-space adaptive compressed air foam fire extinguishing device comprises a moving platform, a liquid collecting box is fixedly connected to the outer wall of the top of the moving platform, and a liquid injection pipe is fixedly connected to the top of the liquid collecting box; an internal treatment mechanism is arranged on the inner wall of the liquid collecting box, an air supply mechanism is arranged at one end of the liquid collecting box, an equipment plate is arranged at the other end of the outer wall of the top of the moving platform, and a vertical groove is formed in the outer wall of the equipment plate. An electric push rod in the angle adjusting mechanism pushes a movable plate to adjust the pitching angle of a liquid guide box, a second motor drives an equipment plate to horizontally rotate to change the spraying direction, a third motor drives a first rotating shaft to adjust the orientation of a material spraying mechanism, flexible movement is matched with a movable platform, and the device can go deep into narrow areas such as escape way corners and stair gaps; the problem that a traditional device is limited in coverage range is solved.

The application provides a vibrating diaphragm and a loudspeaker. The loudspeaker comprises a vibrating diaphragm. The vibrating diaphragm comprises a crystal and a film body. The crystal can form a magnetic field after being electrified. The film body is formed by solidification of a liquid injection material. One side surface of the film body has a protruding part. The protruding part is provided with a receiving groove. The crystal is located in the receiving groove. The top of the protruding part has a shielding part. The shielding part is partially located above the receiving groove and is used for limiting the crystal and exposing part of the crystal. The crystal and the film body are connected in an integrated injection molding manner. The crystal can form a variable magnetic field through current change and interact with an environmental magnetic field to drive the film body to vibrate and emit sound. The vibrating diaphragm and the loudspeaker can realize the purposes of simplifying the process, ensuring the connection between the crystal and the film body, improving the production efficiency and reducing the processing cost by connecting the crystal and the film body in an integrated injection molding manner. The structural stability is further improved through the structural design of the protruding part and the shielding part in the film body, so that the purpose of ensuring the sound quality is realized.

A high-iron karst geological section comprehensive parameter fine automatic exploration system, including walking wheels, drill bit electrodes, drill bit detectors, drill bit magnetic excitation systems, electrode rotation systems, detector rotation systems, magnetic excitation rotation systems, liquid injection systems, control systems, multi-parameter interpretation systems, power systems, and wireless communication systems; the present application is based on the resistivity method and the wave velocity method, and can be used to explore any depth stratum that can be reached, independent of each other and mutually corroborating to reduce the karst geological multiple solutions, Rayleigh waves and electrical signals can transmit the most suitable signal type and strength according to the geological conditions at the set depth, which can realize the fine and automatic exploration of karst geology and improve the exploration efficiency. The present application also corrects the geological classification method in karst areas, and the corrected method can fully consider the development and particularity of karst, providing a method for the automation of high-iron geological exploration in karst areas and avoiding human errors.

The utility model belongs to the technical field of electronic atomization, and discloses an atomizer and an electronic atomization device. The atomizer comprises a shell and an elastic piece. Wherein a liquid storage cavity used for storing a liquid matrix is formed in the shell, and a liquid injection hole communicated with the liquid storage cavity is formed in the shell; the elastic piece comprises an abutting part; the abutting part abuts against the inner wall of the shell and seals the liquid injection hole; the abutting part can be ejected open under the action of external force, so that the liquid injection hole is opened, and a liquid matrix is injected into the liquid storage cavity; and when the external force is removed, the abutting part can return to the state of sealing the liquid injection hole under the elastic action of the abutting part. According to the utility model, the problem of liquid matrix leakage caused by wrong user operation flow can be avoided, the complexity of liquid injection operation of a user is reduced, and the use experience of the user is improved.

This application relates to a sample pretreatment system, comprising: a gripping device for holding the cap of a sampling tube; a capping device for holding the tube body of the sampling tube and for rotating the tube body while the gripping device holds the cap to open or close the cap; a liquid injection device for injecting organic solvent into the tube body held in the capping device and containing the sample to be tested, to obtain a mixture; a mixing device for mixing the mixture in the sampling tube; a centrifugation device for centrifuging the mixed mixture in the sampling tube to obtain a supernatant; a filtration device for filtering the supernatant to obtain a filtrate; a pipette device for drawing at least a portion of the supernatant from the sampling tube into a pipette or injecting the supernatant from the pipette into the filtration device; and a transport device. This application improves processing efficiency and ensures the consistency of pretreatment results.

The application discloses an automatic air supplement method and device for an in-situ leaching uranium gas station and belongs to the technical field of in-situ leaching uranium. The automatic air supplement method comprises the following steps: according to the pressure of a gaseous gas sample storage tank and the injection pressure, automatically controlling the air supplement process of the gaseous gas sample storage tank, so that the pressure of the gaseous gas sample storage tank is greater than the injection pressure; and according to the injection pressure and the liquid injection pressure, automatically controlling the injection process, so that the injection pressure is greater than the liquid injection pressure. Through real-time detection of the pressure of each part of the in-situ leaching uranium gas station, the embodiment of the application realizes automatic and accurate regulation and control of the carbon dioxide system of the in-situ leaching uranium gas station, improves the efficiency and saves manpower.

The application discloses a natural gas hydrate stratum and wellbore working fluid interaction simulation experiment system, and relates to the field of experimental instruments, which comprises a high-pressure kettle, a gas injection unit, a liquid injection unit, a wellbore working fluid circulation unit, a vacuum preparation module and a monitoring unit; the high-pressure kettle is internally provided with a simulated stratum and a vertical simulated wellbore with a liquid permeation hole; the gas injection unit and the liquid injection unit are respectively used for injecting methane gas and working fluid into the high-pressure kettle; the wellbore working fluid circulation unit comprises a magnetic circulation pump and a high-pressure filter and is used for driving the working fluid to circulate in the simulated wellbore; the vacuum preparation module is used for preparing an initial experimental environment; and the monitoring unit comprises temperature, pressure and displacement sensors, an ultrasonic detection system, a resistivity imaging system and a microscopic imaging system and is used for monitoring and collecting parameter changes of the simulated stratum under the action of multiple physical fields in real time. The application can simulate a wellbore working fluid circulation invasion process and comprehensively evaluate the influence of the working fluid on the stability of a natural gas hydrate stratum and the phase change of hydrates.

The invention provides a liquid spraying type mixing and heating device, and relates to the technical field of heat exchange equipment, the liquid spraying type mixing and heating device comprises a shell, a first liquid inlet pipe and a second liquid inlet pipe, the shell is provided with a first-stage mixing flow channel and a second-stage mixing flow channel which are arranged in the first direction and communicate with each other, and the first-stage mixing flow channel and the second-stage mixing flow channel extend in the first direction; the first-stage mixing flow channel is of a Venturi structure, a liquid outlet is formed in the end, away from the first-stage mixing flow channel, of the second-stage mixing flow channel, and the cross sectional area of the second-stage mixing flow channel is gradually increased in the direction from the first-stage mixing flow channel to the liquid outlet; the first liquid inlet pipe and the second liquid inlet pipe are both communicated with the first-stage mixing flow channel, the first liquid inlet pipe is used for introducing a liquid medium to be heated into the first-stage mixing flow channel, and the second liquid inlet pipe is used for introducing a high-temperature liquid medium into the first-stage mixing flow channel. The high-temperature liquid medium is adopted to heat the to-be-heated liquid medium, the influence of the bubble blasting phenomenon on the heating device can be effectively avoided, and the service life is ensured.

The utility model provides a chromatographic column head with a pore fluid distribution cover, which comprises a column head bottom plate for storing and discharging liquid and a column head top plate covering the top of the column head bottom plate and used for injecting liquid and exhausting, and a water injection pipe for injecting water into the column head bottom plate is arranged in the center of the top of the column head top plate. A groove used for storing liquid is formed in the column head bottom plate, a plurality of liquid drainage holes communicated with the outside are formed in the bottom of the groove in an arrayed mode, a liquid distribution disc structure with the same projection area as the groove is arranged in the groove, and the liquid distribution disc structure is in an arc shape. The circle center of the liquid distribution disc structure and the axis of the water injection pipe are collinear, the liquid distribution disc structure comprises a water avoiding area arranged under the water injection pipe and a liquid distribution area arranged around the water avoiding area, and the area of the water avoiding area is larger than or equal to the projection area of an inner hole of the water injection pipe. A plurality of liquid separation holes are formed in the liquid separation area around the water avoiding area.

Construction of an integrally formed liquid collection container (10), comprising an integrally formed liquid collection container (10), a screw (40), and a leak-proof sealing ring (50), wherein a projecting part (20) with a liquid injection opening (30) is integrally formed on an inner wall surface of the liquid collection container (10), wherein the liquid injection opening (30) has an internally threaded hole (31) and a stepped hole (32) for receiving a screw head (41) of the screw (40) and the leak-proof sealing ring (50), wherein the internally threaded hole (31) is connected to an interior of the liquid collection container (10), wherein the stepped hole (32) is connected to the internally threaded hole (31) and the outside of the liquid collection container (10), and wherein the leak-proof sealing ring (50) is located between the screw head (41) of the screw (40) and an inner end face (A) of the is arranged in a stepped hole (32),wherein the screw (40) is screwed into the internal threaded hole (31), wherein when the screw (40) is tightened the leak-proof sealing ring (50) is pressed in by the screw head (41), so that the leak-proof sealing ring (50) is deformed and clamped between the screw head (41) and the inner end face (A) of the stepped hole (32) to prevent leakage.

The utility model relates to the technical field of laboratory liquid adding devices, in particular to an intelligent laboratory liquid adding device and a liquid injection gun, the intelligent laboratory liquid adding device comprises a storage box, a discharging port is formed in one side of the storage box, a discharging pipe is fixedly connected to the inner wall of the discharging port, and an extension plate is fixedly connected to the storage box; the lower side of the extension plate is fixedly connected with an infusion pump matched with the discharge pipe, and the output end of the infusion pump is provided with a liquid injection gun assembly; the upper side of the storage box is fixedly connected with a stirring motor. Through the arrangement of the placing frame, the movable opening and the stress block, after the bearing container is placed, the stress block is extruded downwards, the trigger assembly is extruded, so that the contact switch is turned on, then the stirring motor is controlled to drive the stirring rod to stir, all components are uniformly mixed again, it is guaranteed that the taken liquid has the accurate component proportion during liquid adding, and the liquid adding efficiency is improved. Therefore, the subsequent experiment result is more accurate and reliable.

The application discloses a microbial sampler intelligent liquid supplementing sampling system and method and an unmanned flight system, a control module controls a sampling liquid pump to inject sampling liquid in a sampling liquid bottle into a wet-wall cyclone sampler by a preset liquid injection amount and pauses the sampling liquid pump; the control module controls an air blower to inject air into the wet-wall cyclone sampler for sampling, and adjusts the rotating speed of the air blower in real time according to the flow detected by a sampling flow sensor, so that the sampling flow is maintained within a preset flow range; during the sampling process, a temperature sensor is used for detecting the temperature of the current air environment in real time every second, a humidity sensor is used for synchronously detecting the humidity of the current air environment in real time every second, and the control module is used for substituting the current temperature and the current humidity into a one-second sampling liquid evaporation amount fitting function, calculating the one-second sampling liquid evaporation amount under the current temperature and humidity environment, and controlling the sampling liquid pump to work for a liquid supplementing time, so that the sampling liquid is injected into the wet-wall cyclone sampler to realize intelligent real-time liquid supplementing.

The application discloses a simulation device and method for improving the producing degree of a tight reservoir by using inter-fracture displacement and well sealing. The experimental device comprises a temperature and pressure loading module, a first core monitoring module, an automatic control module, a second core monitoring module, a liquid injection module and an inter-fracture displacement simulation module. The experimental method comprises a preparation step before the experiment, a data measurement step, and a real-time control step of the automatic control module, wherein the data measurement step comprises a reservoir environment simulation step, a liquid injection step, a well sealing and displacement step, and a data collection step. The experimental device and method consider actual factors such as the temperature and pressure environment of the reservoir, the flow rate of the fracturing fluid and the well sealing time, can realize the monitoring of the oil displacement amount and the semi-quantitative characterization of the fracturing fluid sweep efficiency, and thus provide a certain basis for the fracturing construction design of an oilfield.

The utility model provides a kind of sample adding needle cleaning device, including cleaning pedestal, first cleaning part, second cleaning part and waste liquid discharge port. First cleaning cavity and second cleaning cavity are vertically communicated and arranged in cleaning pedestal, first cleaning cavity is located above needle tube outer wall, and second cleaning cavity is located below needle head position. First cleaning part includes first liquid inlet joint and first liquid outlet joint, and the height difference of the two forms liquid level drop, and first liquid injection pump and first liquid outlet pump are connected respectively;Second cleaning part is same structure, and independently communicates second cleaning cavity. Waste liquid discharge port is arranged in the bottom of pedestal and communicates second cleaning cavity. The device is designed by double-cavity partition, combined with liquid level drop flushing and independent pump control process, to realize the precise and efficient cleaning of needle tube outer wall and needle head tip, completely solve the problem of single sink cleaning blind area, significantly reduce the risk of cross contamination.