992 results about "Liquid injection" patented technology

The invention discloses a single-phase immersed liquid cooling temperature stratification evaluation and disturbance liquid injection balance control system, and relates to the technical field of liquid cooling circulation structures. The single-phase immersed liquid cooling temperature stratification evaluation and disturbance liquid injection balance control system comprises a backflow liquid multi-point liquid inlet dynamic monitoring module used for collecting liquid cooling branch state data; the immersion liquid temperature layering monitoring module is used for evaluating the non-uniform degree of heat distribution and adjusting a disturbance liquid injection strategy; the liquid flow distribution equilibrium evaluation module is used for analyzing the matching degree of liquid flow distribution and heat dissipation and optimizing a flow direction coverage strategy; the cooling path dynamic judgment and switching module is used for evaluating the cooling state and the thermal load change and regulating and controlling the circulation path; and the immersed liquid cooling cabinet local disturbance self-balancing regulation and control module is used for guiding local convection and adjusting the disturbance direction. The problem that heat dissipation efficiency of a chip is affected by local heat accumulation in the immersed liquid cooling cabinet due to serious cold and hot lamination after backflow of a cooling liquid branch is solved.

The utility model discloses a device for preparing a double-droplet microsphere. The device comprises a fluid injection unit, a liquid injection unit and a control unit, the micro-fluidic chip comprises a cover glass, one side of the cover glass is provided with a dispensing needle a, the dispensing needle a is connected with an internal phase glass capillary tube, the internal phase glass capillary tube is partially nested in an intermediate phase glass capillary tube, the intermediate phase glass capillary tube is partially nested in an external phase glass capillary tube, and the external phase glass capillary tube is connected with the external phase glass capillary tube. A dispensing needle b is vertically arranged above one end, which is overlapped with the inner phase glass capillary, of the intermediate phase glass capillary, and a dispensing needle c is vertically arranged above one end, which is overlapped with the intermediate phase glass capillary, of the outer phase glass capillary; and a micro-droplet collection unit. According to the utility model, through the coaxially arranged glass capillary tube and the dispensing needle head communicated with the glass capillary tube, the double-droplet microsphere is prepared, meanwhile, the groove is formed in the dispensing needle head, so that the construction of a coaxial glass capillary tube micro-fluidic chip is facilitated, the preparation equipment is simple, and the operation is simple.

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 a multifunctional testing device and method for hydrate exploitation and CO2 multiphase sealing, the device comprises an experiment kettle for testing reaction, the experiment kettle is respectively connected with a confining pressure system, a vacuumizing system, a gas injection system, a CO2 injection system, a supercritical CO2 injection system, a liquid injection system and a permeation and diffusion characteristic testing system. The device is high in measurement precision, reliable in performance and high in practicability, can meet the requirements of methane hydrate layered mining simulation and carbon dioxide multi-phase storage multifunctional testing under the coupling effect of different working conditions of real simulation ocean working conditions, and can provide important technical support for commercial development of methane hydrate reservoirs and realization of efficient carbon dioxide storage.

The invention discloses a non-intrusive monitoring in-plane and thickness-direction integrated permeability testing device and method for a three-dimensional fabric preform. The device comprises a permeability testing die cavity system, a lifting compaction system, a vacuum generation system, a liquid injection and cleaning system and a signal detection and observation system. The non-intrusive sensing system has no influence on system sealing and permeability test liquid flowing in a three-dimensional fabric preform medium; a sample central point liquid injection mode can avoid a competitive effect caused by contact between permeability test liquid and the mold; accurate regulation and control of a compaction state are realized through a compression test of the three-dimensional fabric preform; the method is suitable for a three-dimensional fabric preform which is small in internal gap and cannot be provided with an intrusive sensor; the integrated measurement of the in-plane and thickness-direction permeability is realized, and a plurality of sets of molds do not need to be designed; and a liquid inlet pipeline and a cleaning pipeline are introduced, so that the test can be repeatedly carried out conveniently.

The utility model relates to a resolution ratio die body and scanning equipment, the resolution ratio die body comprises a housing and an inner core, two ends of the housing along the axial direction are respectively provided with a liquid inlet and an extraction opening; the inner core is provided with a plurality of hot stove hole sets, each hot stove hole set comprises a plurality of hot stove holes arranged at intervals, and the hot stove holes penetrate through the inner core in the axial direction of the inner core. Wherein the liquid inlet, the hot stove hole and the extraction opening are communicated to form a liquid injection channel, and liquid in the liquid injection channel flows from the liquid inlet to the extraction opening. The liquid inlet, the hot stove hole and the exhaust hole are communicated to form the liquid injection channel, and the liquid flows from the liquid inlet to the exhaust hole, so that the liquid flows in a single direction, bubbles in the liquid in the hot stove hole are expelled by suction in the liquid injection process, the defect that bubbles are easy to generate in the prior art is overcome, and the liquid injection efficiency is improved. Therefore, the accuracy of resolution evaluation is improved.

The invention provides a uranium ore in-situ leaching solute transport regulation and control method and system based on three-dimensional geological modeling. According to the method, the high-frequency pressure data of the liquid injection well are obtained and combined with the three-dimensional geologic model to construct the permeability distribution field, and the abnormal high-pressure blocking coordinate set is extracted. Magnetic anomaly signals caused by iron ion concentration changes of the leaching agent are synchronously collected, the space gradient of the magnetic anomaly signals is converted into a solute transport trajectory diagram, and a solute diffusion lag map is constructed based on the trajectory diagram. And further extracting a lagging boundary coordinate set, and performing space matching with the abnormal high-voltage blocking coordinate set to generate a blocking retention incidence matrix. And dynamically adjusting a liquid injection well pressure gradient distribution strategy according to the matrix, and generating a pumping and injection flow adjusting instruction to inhibit a leaching dead angle. According to the technical scheme provided by the invention, the efficiency and precision of uranium ore in-situ leaching solute transport regulation and control can be improved.

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 dynamic permeability testing system and method for hydrate core production by a pressure reduction or heat shock method, and the system comprises a dynamic permeability testing unit (1) which is used for the preparation of a natural gas hydrate core sample and the measurement of permeability; the gas and liquid injection unit (2) is used for injecting required gas and liquid into the dynamic permeability testing system; the hydraulic oil control unit (3) is used for applying axial pressure and confining pressure to the dynamic permeability testing system; the gas-liquid separation metering unit (4) is used for metering the gas-liquid flow at the outlet; and the data acquisition monitoring and control unit (5) is used for monitoring data of each unit and controlling each unit to work. According to the invention, the natural gas hydrate-containing rock core can be subjected to pressure drop under the triaxial stress condition or the production dynamic permeability test by a heat shock method.

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 invention relates to the technical field of natural gas hydrate exploitation and seabed carbon dioxide sequestration, in particular to equipment and a method suitable for macroscopic and microscopic research of a hydrate residual cage structure. According to the technical scheme, the device comprises a gas-liquid injection system, and further comprises a fluid separation-blocking-unblocking core system, a fluid additional injection core system, a horizontal supercooling flow module, a vertical supercooling flow module and a cage type structure microcosmic research module, according to the method, the hydrate residual cage-shaped structure in hydrate decomposition water under the high-pressure flowing condition can be efficiently manufactured, and then research is conducted according to the action mechanism that the residual cage-shaped structure affects hydrate secondary generation-rapid blocking and an effective elimination method of the residual cage-shaped structure; meanwhile, key experiment conditions are provided for microscopic optical research on the molecular scale of the residual cage-type structure under high-pressure and low-temperature conditions; in addition, the method can effectively simulate and systematically research the hydrate-method seabed carbon dioxide sequestration technology, and theoretical support is provided for engineering application of the hydrate-method seabed carbon dioxide sequestration technology.

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 provides a performance testing device and method for electronic equipment. The performance testing device comprises a testing tank body; the water storage mechanism is communicated with the test tank body and is used for storing test liquid and transmitting the liquid into the test tank body; the atomization mechanism is communicated with the water storage mechanism and the test tank body and is used for atomizing the liquid in the water storage mechanism to the test tank body; the water flow pushing mechanism is used for stirring liquid in the testing tank body; the lifting mechanism is used for driving the electronic equipment to enter and exit from the test tank body so as to test the performance of the electronic equipment. Atomization, soaking and dynamic water testing of the electronic equipment can be completed at one station, the electronic equipment can automatically move in the testing process, manual participation is not needed, and the testing efficiency is improved; the three tests can be sequentially tested according to the protection stress gradient, and the protection capability of the electronic equipment can be comprehensively and accurately evaluated; and during the dynamic water test, secondary liquid injection is not needed, and the liquid in the test tank body during the water immersion test is directly utilized, so that the test efficiency is further improved.

The invention discloses an automatic sample oil moisture detection system and method.The system comprises a detection module arranged on a base plate, the base plate is fixed to a workbench, the detection module comprises a moisture meter, functional parts and an operation panel, and the functional parts and the operation panel are arranged on the moisture meter; the base plate is further provided with a liquid injection device and a sample frame, the liquid injection device and the sample frame are both located on one side of the detection module, the sample frame is provided with a sample bottle, the workbench is further provided with a positioning fork, one side of the moisture meter is provided with a liquid injection port, the liquid injection port is located in the positioning fork, and the liquid injection port is located in the positioning fork. The liquid injection device is provided with a liquid injection mechanism which moves between the sample bottle and the moisture meter, and one side of the workbench is also provided with an AGV (Automatic Guided Vehicle) used for inputting and outputting a sample. Automatic operation of sample oil moisture determination is achieved, quantitative liquid injection of the sample to the moisture meter is completed, the determination process is more ordered, efficiency is high, and data consistency is good.

The utility model discloses a liquid injection device and an electronic atomization device, and relates to the technical field of electronic atomization. The liquid injection device comprises a body, a switching mechanism and a liquid injection part, a liquid storage cavity for storing an aerosol substrate and a first opening communicated with the liquid storage cavity are formed in the body, and the switching mechanism is arranged at the first opening to conduct or block the first opening; the liquid injection part is detachably connected to the switching mechanism and provided with a liquid injection hole, and the liquid injection hole communicates with the first opening; when the liquid injection piece and the switching mechanism are assembled together, the liquid injection device is used for injecting liquid, and the first opening is communicated with the liquid injection hole; when the liquid injection piece and the switching mechanism are not assembled together, the switching mechanism blocks the first opening, and the switching mechanism can conduct the first opening under the action of external force, so that the body can be installed in the electronic atomization device to supplement liquid to the electronic atomization device. In this way, the liquid injection device has multiple purposes, and the use experience of a user is improved.

The invention relates to a pressure-resistant test device and a pressure-resistant test method, an operator can send an instruction to a liquid injection operation system through a control system in a safety control room far away from a test area to realize accurate application, maintenance and release of pressure, and due to the fact that pressurization operation is completely carried out at a far end, the pressure-resistant test device is very convenient to operate. Even if the nonmetal composite material box body accidentally cracks or leaks in an overpressure state, an operator cannot be exposed in a dangerous area of high-pressure jet fluid or splashing fragments, and the pressure monitoring system automatically and continuously monitors the pressure in the nonmetal composite material box body. The behavior that a person needs to get close to and read a pressure gauge with naked eyes in a traditional method is replaced, the stress and strain of the non-metal composite material box body can be monitored, the stress and strain parameters can be more sensitively and more quantitatively captured, and the deformation and internal stress distribution of the non-metal composite material box body under the pressure can be accurately detected. The deformation is far earlier than obvious deformation which can be identified by naked eyes, and an early-stage and more accurate early warning signal is provided.

The invention discloses a thorough-cleaning cleaning device for pin bush production, and belongs to the field of pin bush production, the thorough-cleaning cleaning device comprises a rack shell, a conveying mechanism, a liquid injection pump and an infrared heating lamp, a cleaning mechanism is arranged on the outer side of the rack shell, and the cleaning mechanism conducts ultrasonic treatment on a pin bush and removes metal chippings on the surface of the pin bush; a conveying mechanism is arranged on one side of the rack shell, and the conveying mechanism feeds and unloads the multiple sets of pin shaft sleeves into the rack shell; and the drying mechanism is arranged over the rack shell, after the drying mechanism filters outside air, moisture on the surface of the pin bush is dried through circularly flowing air, and then the processing time of the pin bush in the machining process is saved. The air cylinder piston stretches out and draws back to drive the chain for transmission, and rapid lifting motion of the material frame is achieved. The mode is stable in thrust and high in response speed, and is particularly suitable for low-speed accurate positioning of a heavy material rack.

The utility model discloses an atomizer and atomizing equipment, and relates to the technical field of electronic atomizers. The atomizer comprises an oil cup, a base, a support and a first sealing piece. The oil cup is provided with a liquid storage cavity. The base is connected to one end of the oil cup; the support is arranged on the side, facing the liquid storage cavity, of the base, at least one liquid injection hole is formed in the support, and the liquid injection hole communicates with the liquid storage cavity; the first sealing piece is arranged between the base and the support and comprises a sealing piece body and at least one sealing convex part, the peripheral side of the sealing piece body is in sealing fit with the inner wall of the side, facing the liquid storage cavity, of the oil cup, and the at least one sealing convex part is arranged on the side, facing the support, of the sealing piece body in a protruding mode; the at least one sealing convex part is inserted into the at least one liquid injection hole in a one-to-one correspondence manner, and the sealing convex part is in sealing fit with the inner wall of the liquid injection hole. According to the atomizer, the number of the sealing pieces arranged in the atomizer can be reduced, and the assembling efficiency 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 sleeve deformation simulation experiment system in a deep coal bed gas fracturing process. The sleeve deformation simulation experiment system comprises a test sleeve, a strong-plasticity deep coal rock sample, a sleeve deformation visual monitoring module, a target horizon deformation and crack propagation monitoring module, a fracturing fracture network global monitoring module, a liquid injection module and a ground stress loading module. The sleeve deformation visual monitoring module is used for monitoring the deformation damage condition of the test sleeve; the target horizon deformation and crack propagation monitoring module is used for monitoring surface deformation and crack propagation conditions of the sample; and the fracture network global monitoring module is used for monitoring the fracture expansion scale. According to the system, multi-load application of casing deformation can be achieved, the strong plasticity characteristic of deep coal bed gas is simulated, the fracture expansion scale and the casing deformation amount in the hydraulic fracturing process are accurately monitored, and risk level prediction of the influence of the hydraulic fracture expansion rule on casing deformation is achieved. The invention further discloses a sleeve deformation simulation experiment method in the deep coal bed gas fracturing process.

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.