1907 results about "Liquid injection" patented technology

The invention discloses an intelligent pretreatment workstation for microbiological detection, and relates to the technical field of microbiological detection. The module comprises a culture dish turntable, a transmission part, a homogeneous slapping part, a vortex oscillation part, a material rack storage part, a culture medium feeding part and the like; the culture dish turntable module comprises an upper dish station, a liquid injection station, an inoculation / coating station, a lower dish station and the like, as well as a transplanting electric module and a shaking-up module; the liquid injection unit can be used for injecting three culture solutions; the culture dish conveying module is responsible for conveying culture dishes to corresponding stations and is connected with an external feeding and receiving unit; the material rack storage module is used for storing pipettor tips, test tubes and homogenizing bags; the homogeneous slapping and vortex oscillation module is used for sample dilution and homogenization; the clamping robot is responsible for conveying the homogeneous bag and the test tube to the corresponding module and pulling out the plug of the test tube; the pipetting robot is used for sucking a sample and filling the sample into the culture dish. The steps from sample to culture can be completed at high speed and high efficiency, and the steps can be adjusted according to actual detection conditions through modular combination.

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 invention discloses a deep sampling device for ecological restoration soil investigation, and relates to the technical field of sampling. The linkage mechanism is mounted on the sliding part of the first linear sliding rail and can automatically move along the guide rail part of the first linear sliding rail, and a rotatable connecting sleeve is arranged at the bottom of the linkage mechanism; the end portions of the sampling barrels are detachably connected in a sealed mode, a plurality of liquid injection holes are formed in the barrel wall of each sampling barrel from one end in the axis direction in a penetrating mode, and a plurality of non-penetrating liquid injection holes are formed in the side wall of the drilling barrel from the end, connected with the sampling barrels, of the drilling barrel inwards in the axis direction. The multiple sampling barrels are detachably connected in a sealed mode and suitable for sampling soil of different depths, sampling pollution is avoided through sealed sampling, after sampling is completed, a polymer curing agent is injected into the liquid injection hole to cure soil at the bottom end, the risk that the sampled soil slides down in the lifting process is avoided, and the sampling and collecting quality is guaranteed.

The invention relates to a gas drilling hose liquid injection internal support high-pressure drilling curtain integrated hole sealing process, and belongs to the technical field of gas extraction hole sealing. The liquid injection expansion capsule is inserted into the hole sealing pipe from the outer opening of the hole sealing pipe, the hole sealing pipe is internally supported after expansion of the liquid injection expansion capsule, then the grouting pressure of the grouting section is increased, grout is fully diffused under the high pressure effect to fill a hole wall coal gas leakage channel and cracks, and therefore a closed curtain barrier isolated from the outside is formed; the device has the advantages of safety, reliability, good sealing effect, high gas extraction concentration, long extraction time and the like.

The invention relates to a liquid metal reconfigurable metasurface reflection unit and a manufacturing method thereof, and belongs to the technical field of artificial electromagnetic materials. The problems that an existing metasurface reflection unit structure is discrete and limited in regulation state, insufficient in continuous adjustment capacity, narrow in adjustment bandwidth and small in reflection phase shift range are solved. Comprising a flexible substrate, a flexible film, a flexible upper cover plate, a driving control structure and a grounding plate, the flexible upper cover plate, the flexible thin film, the flexible substrate, the grounding plate and the driving control structure are stacked in sequence; a micro-channel array structure and a liquid injection port are arranged on the flexible substrate, the micro-channel array structure comprises a plurality of unit micro-channel structures, the plurality of unit micro-channel structures are communicated through through holes, and each unit micro-channel structure is of a bent cross-shaped structure and comprises a liquid storage tank and four semicircular cross arm channels. The metasurface reflection unit is continuous and reconfigurable in structure and has the advantages of being insensitive to polarization and incident angle and large in reflection phase shift range.

The invention relates to a directional wick vapor chamber and a preparation method and application thereof in the technical field of vapor chambers. The preparation method comprises the following steps: preparing a lower substrate and an upper substrate; a directional liquid absorption core structure is printed on one side of the lower base plate through the 3D printing technology, the directional liquid absorption core structure comprises a plurality of liquid absorption core units, and the liquid absorption core units are arranged in an equidistant or unequidistant array mode in the X-axis direction and the Y-axis direction; the side, provided with the directional wick structure, of the lower substrate and the periphery of the upper substrate share the same edge and are sealed and packaged, and a position for containing a liquid injection pipe is reserved and used for liquid injection and degassing; carrying out accurate liquid injection, primary degassing and secondary degassing on the sealed upper substrate and lower substrate; and sealing: cutting off the liquid injection pipe part, and finally packaging the liquid injection pipe part to form the complete directional wick vapor chamber with the directional transmission characteristic. According to the directional wick vapor chamber prepared through the preparation method, the heat flow distribution of the vapor chamber can be improved, and the heat transfer performance is improved.

The present application relates to the technical field of wellhead devices. Provided is an integrated wellhead device, comprising a casing head body, an elevation flange and a well completion flange, which are sequentially connected from bottom to top, wherein the casing head body has a first inner cavity; a first hanger assembly and a second hanger assembly are respectively connected to upper and lower ends of the first inner cavity in a sealed manner; the elevation flange has a second inner cavity; the well completion flange is provided with a medium output hole; a heat exchange medium injection end is connected to a lower portion of the casing head body, and an exhaust end is connected to an upper end of the casing head body; and the heat exchange medium injection end and the exhaust end are in communication with an annular space. An outflow sealed flow channel for an injected fluid is formed by means of the annular space, an inner pipe, the second inner cavity and the medium output hole, thereby achieving the function of performing both liquid injection and mining in a single well. A heat exchange medium is directly injected, and then directly flows through the outflow sealed flow channel, thereby realizing the outflow of the heat exchange medium. The integrated wellhead device can be specifically and quickly adapted for cyclic heat exchange in abandoned wells or idle geothermal wells, the overall technical solution is convenient to implement, and the transformation and assembly can be rapidly completed.

The invention discloses a CO2-oil near-miscible phase pressure acquisition system and method based on convective mixing, and belongs to the field of CO2 oil displacement. The system comprises a high-temperature and high-pressure reaction kettle, a temperature and pressure control system, a gas injection module, a liquid injection module and a monitoring control module. According to the method, the oil phase and the carbon dioxide are induced to form a convective mixing effect by dynamically regulating and controlling the injection flow rate, and when no interface of the system reaches a mutual convective mass transfer state, the system pressure corresponding to a phase interface disappearance critical point is directly recorded as a near-miscible-phase pressure value. The near-miscible pressure value obtained by the method is high in accuracy, the single test time is shortened to 1 hour, the test period is remarkably shortened, near-miscible pressure parameters under different temperature conditions can be measured in a short time, the CO2-oil near-miscible pressure can be measured by simulating a high-temperature and high-pressure environment of a stratum, and the method is suitable for popularization and application. And high-timeliness key phase state data support is provided for unconventional oil and gas reservoir development.

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 relates to the technical field of liquid absorption cores of vapor chambers, in particular to a vapor chamber with a porous liquid absorption core of a secondary structure and a preparation method of the vapor chamber. The preparation method comprises the following steps that an upper cover plate and a lower cover plate are prepared; cutting the metal wire mesh to obtain a wire mesh structure, and fixing the wire mesh structure on the surface of one side of the lower cover plate; electroplating is carried out on the silk screen structure of the lower cover plate to deposit nano-copper; calcining and curing the secondary structure of the silk screen electroplated with the nano-copper; and packaging the upper cover plate and the calcined lower cover plate, and performing liquid injection, degassing, sealing welding and packaging treatment to obtain the vapor chamber. According to the vapor chamber, the liquid absorption core with a secondary structure is prepared on the silk screen of the lower cover plate through electro-deposition of nano copper, the nano copper structure on the silk screen serves as the liquid absorption core through calcination and solidification, the service life of the vapor chamber can be effectively prolonged, the secondary porous structure provides multi-stage hole distribution for the liquid absorption core, multiple liquid flowing channels are provided, and heat conduction is accelerated.

The invention discloses an application method and device of Tip pipetting in a high-altitude environment and a storage medium. The application method comprises the following steps: 1, determining liquid suction and injection compensation amounts; 2, the liquid suction and injection pressure compensation amount is determined; 3, liquid level detection operation; 4, liquid suction operation; and 5, liquid injection operation. According to the method, an influence equation of liquid filling when the altitude changes is obtained according to liquid characteristics and in combination with an influence rule during Tip pipetting, and liquid suction and injection parameters are automatically corrected according to the altitude in a software linkage mode. By means of the mode, the instrument achieves automatic correction when used in the high altitude area, manpower is saved, cost is reduced, and adverse effects caused by personnel differences are avoided. After compensation is conducted through the method, the liquid injection amount is obviously increased, the attenuation compensation effect is obvious, and the consistency and repeatability of the liquid injection amount are obviously improved.

The invention discloses a brown sugar type identification device and method. The brown sugar type identification device comprises a computer and two detection mechanisms, each detection mechanism comprises an electrochemical workstation, a liquid injection module, a magnetic stirrer, a beaker, a three-electrode sensor and a sensor support, the beaker is placed on the magnetic stirrer, a magnetic stirrer of the magnetic stirrer is placed in the beaker, and the three-electrode sensor is arranged on the three-electrode sensor. The three-electrode sensor extends into the beaker, the sensor support is used for fixing the three-electrode sensor, the liquid injection module is used for injecting liquid into the beaker, the three-electrode sensor is electrically connected with the electrochemical workstation, and the computer is electrically connected with the electrochemical workstation, the liquid injection module and the magnetic stirrer. The brown sugar type can be quickly and accurately identified, and the operation is simple.

Disclosed is a fracture plugging simulation experimental device and an experimental method thereof. The device comprises a simulated wellbore, a simulated formation, a simulated fracture, a plurality of pressure sensors and vales, a mixing barrel, a liquid injection port and a pressurization port, a liquid collection tank, a plugging fluid storage tank, a heating device, etc. The method comprises: loading the simulated formation with the simulated fracture in the simulated wellbore, closing the second valve and turning on the mixing device, injecting a lost circulation material into the mixing barrel, closing the liquid injection port and turning on the heating device and pressurizing, stopping pressurizing and opening the second valve to establish a plugging process, turning on the plunger pump to continue pressurizing, and collecting a fluid pressure change of the simulated fracture in the plugging process; and calculating a pressure-bearing capacity of plugged fracture.

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 feeding mechanism of the 3D printing device comprises a liquid adding box, a C-opening isolation cover is integrally formed on the inner wall of one side of the liquid adding box, the interior of the liquid adding box is divided into a cavity and a resin groove through the C-opening isolation cover, the resin groove is used for containing photosensitive resin, a bottom plate is fixed in the cavity, and the bottom plate is used for containing the photosensitive resin; a liquid storage box is installed at the top end of the bottom plate, and a multi-layer H-shaped liquid injection structure used for forming a plurality of feeding points at different heights is installed on the inner wall of the liquid adding box. The photosensitive resin liquid simultaneously enters the resin tank from different directions, uniform concentration distribution of the resin liquid in the whole resin tank is guaranteed, the curing effect in the printing process is improved, the resin liquid enters the resin tank in a multi-point supply mode, a light source can more effectively irradiate each feeding point, and the printing efficiency is improved. Therefore, a faster photocuring process is realized, and the phenomena of insufficient illumination and incomplete curing reaction in some areas are avoided.

The invention provides a liquid level detection method and device and automatic liquid injection equipment. The liquid level detection method is applied to a detection electrode circuit, a detection electrode comprises an inner-layer electrode and an outer-layer electrode, the inner-layer electrode is attached to the outer wall of a detected container, the outer-layer electrode and the inner-layer electrode are designed in a back-to-back attaching mode, and the liquid level detection method comprises the steps that ground capacitance values of the inner-layer electrode and the outer-layer electrode are obtained; calculating a difference value between the ground capacitance value of the inner-layer electrode and the ground capacitance value of the outer-layer electrode to obtain a capacitance difference value; and determining the liquid level of the measured container according to the variation trend of the capacitance difference value. According to the invention, the influence of time drift interference factors such as temperature drift and position change on the liquid level detection accuracy of the small container can be effectively reduced.

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 discloses a wellbore integrity casing damage simulation and repair experimental device, which comprises a heating temperature control box, the interior of the heating temperature control box is divided into an upper part and a lower part, the upper part forms a first cavity for accommodating liquid, and the lower part forms a second cavity for placing a casing damage simulation module or a cement column damage simulation module; the liquid injection and pressurization equipment is communicated with the first cavity and is used for injecting a plugging agent or formation water into the first cavity and pressurizing the plugging agent or the formation water so as to drive the plugging agent or the formation water to enter the casing damage simulation module or the cement column damage simulation module; and the ball valve is arranged at the bottom of the heating temperature control box, is communicated with the second cavity and is used for controlling opening and closing of an outlet of the casing damage simulation module or the cement column damage simulation module. According to the invention, the field environment of the oil and gas well can be simulated more accurately, and a repair experiment can be carried out on a damaged sleeve or a cement column, so that not only can experimental data support be provided for researchers, but also a more accurate repair scheme can be provided for field operators.

The invention provides a device for measuring the thickness of a pipeline with a coating layer based on a digital ultrasonic technology, belongs to the technical field of pipeline thickness measurement, and solves the technical problems that an existing pipeline thickness measurement device is low in automation level, high in professional requirement, inaccurate in thickness measurement and the like. Comprising a machine box, mechanical arm mechanisms are rotationally arranged at the four corners of the machine box, clamping mechanisms are arranged at the ends of the mechanical arm mechanisms, and a main control board, a double-channel liquid injection pump, a sweeping mechanism, a smearing and cleaning mechanism, a drying mechanism, an ultrasonic thickness measuring mechanism and a storage battery are sequentially arranged on the lower end face in the machine box from back to front; the main control board is provided with a data processing module, a data storage module, a wireless communication module, a driving control module, a 3D modeling module, a positioning module, a battery management module and a data safety module. The device can stably walk on the pipeline, can automatically clean and measure the thickness, guarantees the measurement accuracy, carries out 3D modeling analysis on the pipeline, guides the next thickness measurement, and is high in automation level and low in professional requirement.

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 a long-time-sequence microorganism enrichment sampling cup which comprises a cup body and a cup cover meshed with the cup body in a sealed mode, a multi-stage filtering assembly is arranged in the cup body, a liquid injection opening, a multi-stage liquid injection pipeline, a multi-stage liquid outlet pipeline and a pressure relief pipeline are arranged on the cup body and the cup cover, and a plug is arranged at an end opening of the liquid outlet pipeline. The device has the beneficial effects that through a three-stage membrane filtering structure, impurities are effectively removed, and the effective concentration of a sampled product is improved; a plurality of liquid injection ports are arranged, after a sample is filtered, multi-stage injection of the stationary liquid is realized, the stationary liquid is ensured to be in full contact with the sample, the impurity content is reduced, and the microorganism purity and the sampling efficiency are improved; a plurality of pressure release valves are arranged, so that after the sample enrichment operation is completed, the pressure of the sampling cup is quickly released, the sampling process is simplified, and the scientific investigation experiment efficiency is improved; the device adopts a modular design, is simple and stable in structure, is convenient to operate and sample, and is particularly suitable for carrying and transporting scenes of underwater vehicles in scientific investigation experiments.

The invention relates to the technical field of contact lens automatic production, in particular to a contact lens filling and mold closing method and system.The contact lens filling and mold closing method comprises the following specific steps that S10, a feeding unit mold is carried to a jig assembly; s20, the turnover unit drives the jig assembly to enter a filling liquid injection area; s30, the mold opening and closing unit opens the mold, the liquid injection unit is filled with injection liquid, and the mold opening and closing unit performs mold closing on the mold; s40, the turnover unit drives the jig assembly to enter a discharging area, and the visual inspection assembly conducts quality visual inspection; s50, the discharging unit carries the mold to an empty tray, and material receiving and discharging are conducted; s60, the turnover unit drives the jig assembly to enter a feeding area for feeding, and operation is cycled in this way; the mold opening, filling and mold closing actions are integrated, the overall structure is compact, the function integration degree is high, liquid injection and filling are synchronously conducted in multiple filling and liquid injection areas in batches, the overall operation period of the mold is shortened, and the liquid injection and filling efficiency is improved; the automatic feeding and discharging unit is matched, so that the manual operation risk is reduced, and the overall production and processing quality and processing efficiency of contact lenses are 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 embodiment of the invention provides an electrolyte temporary storage device and electrolyte injection equipment, and relates to the technical field of battery production equipment. The electrolyte temporary storage device comprises a protection cabinet, an electrolyte temporary storage assembly and a safety management mechanism, a containing cavity is formed in the protection cabinet, the electrolyte temporary storage assembly comprises an electrolyte pipeline, an electrolyte temporary storage tank and a bubble removing tank, the electrolyte temporary storage tank and the bubble removing tank are both located in the containing cavity, and the electrolyte pipeline is used for inputting electrolyte into the bubble removing tank; the bubble removing tank communicates with the electrolyte buffer tank, the safety management mechanism comprises a detection assembly and a control assembly electrically connected with the detection assembly, the detection assembly is used for detecting information in the containing cavity, and the control assembly controls the electrolyte pipeline to be disconnected from the electrolyte when the information is abnormal. According to the electrolyte buffer storage device provided by the embodiment of the invention, the electrolyte buffer storage tank and the bubble removing tank can be safely managed, and the occurrence of safety accidents such as combustion or explosion is reduced.

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 utility model provides an automatic metering and conveying device for preparing two-component sealant, which comprises a metering pump, a material conveying pipeline and a circulating cleaning pipeline, the input end and the output end of the metering pump are connected with the material conveying pipeline, and a pressure sensor is arranged on the material conveying pipeline; a first three-way electromagnetic valve and a second three-way electromagnetic valve are arranged at the two ends of the material conveying pipeline correspondingly, and one end of the first three-way electromagnetic valve and one end of the second three-way electromagnetic valve are connected with the tail ends of the two ends of the circulating cleaning pipeline correspondingly. A first three-way pipe and a second three-way pipe are arranged at the two ends of the circulating cleaning pipeline respectively, a water inlet pipe and a water outlet pipe are connected to the other end of the first three-way pipe and the other end of the second three-way pipe respectively, and a first electromagnetic switch valve and a second electromagnetic switch valve are arranged on the water inlet pipe and the water outlet pipe respectively. A one-way valve is arranged at a liquid outlet pipe at the bottom end of the cleaning agent storage tank, a liquid inlet pipe is arranged on the side wall of the upper end of the cleaning agent storage tank, a quantitative liquid injection device is arranged in the cleaning agent storage tank and quantitatively injects a cleaning agent into the circulating cleaning pipeline to be mixed with water, and cleaning liquid is formed under the pumping action of the metering pump and conducts circulating cleaning on the pipeline. And the labor burden is reduced, and the pipeline cleaning effect is improved.

The utility model provides an intelligent liquid injection device for an injector, which relates to the technical field of liquid injection equipment and comprises a first base, a test tube fixing seat, a second base and a liquid injection mechanism, the test tube fixing seat is arranged on the first base and provided with a fixing hole, and the liquid injection mechanism is arranged on the second base and provided with a fixing hole. The liquid injection mechanism is located above the test tube fixing seat and comprises a clamping assembly and a pushing assembly, the clamping assembly is used for fixing an injector above the fixing hole, the pushing assembly comprises a pushing driving part and a pushing head, and the pushing driving part is used for driving the pushing head to move towards the clamping assembly; therefore, the push head can push a piston push rod of the injector fixed in the clamping assembly. Therefore, after the test tube and the injector are effectively fixed, the push head can accurately push the piston push rod of the injector according to an external control signal by pushing the driving piece, so that liquid in the injector can be quantitatively injected into the test tube, and accurate quantitative control can be realized.

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 invention belongs to the technical field of energy storage, and particularly relates to an automatic liquid injection tool system. The automatic liquid injection tool system comprises a liquid suction pipeline, a pulse driving module, a liquid injection pipeline and a first pressure detection module. According to the automatic liquid injection tool system, the pulse driving module is used for synchronously exhausting the gas in the pipeline of the energy storage system in the liquid injection process, so that the situation that the operation of the energy storage system is affected by gas residues in the liquid injection process is avoided. Meanwhile, the first pressure detection module is used for monitoring the pressure of the cooling liquid in the liquid injection pipeline in real time, and when the pressure reaches a preset threshold value of the first pressure detection module, the pulse driving module stops running, so that automatic liquid injection control is achieved. Compared with an existing vacuumizing liquid injection and flow pump liquid injection scheme, the automatic liquid injection tool system does not need to use vacuum equipment, and complexity and cost when the vacuum liquid injection scheme is adopted are reduced; and compared with a flow pump liquid injection scheme, the problem of gas residues in the energy storage system can be effectively solved.

The invention provides a liquid injection drill hole arrangement method based on a coal seam three-dimensional model and a related device, and the method comprises the steps: obtaining the basic information of a liquid injection drill hole, and the basic information comprises coal seam information and roadway information; constructing a three-dimensional coordinate system based on the basic information; determining a starting point and an ending point based on the three-dimensional coordinate system; and determining a drilling path based on the starting point and the ending point. By applying the method provided by the invention, the design of the liquid injection drill hole of the coal seam can be quickly and accurately carried out, the three-dimensional images of the drill hole, the roadway and the coal seam are automatically output, the plane and profile maps are automatically drawn, and the drilling construction parameters such as the hole opening coordinate, the azimuth angle and the dip angle are automatically generated. On the premise of ensuring that no extraction blank area exists, the design efficiency of liquid injection drilling can be remarkably improved, the engineering amount of drilling is reduced, and therefore the cost for arranging prevention drilling holes is reduced and the benefits of coal mine enterprises are improved while underground safety production is ensured.