56 results about "Particle injection" patented technology

The invention relates to a citric acid-based particle injection material as well as a preparation method and application thereof. The preparation method comprises the following steps: melting and heating citric acid and 1, 8-octylene glycol to form a POC prepolymer, dissolving the POC prepolymer with an organic solvent to obtain a dissolved solution, and slowly pouring the dissolved solution into ultrapure water for multiple times for purification to obtain a purified POC degradable prepolymer; and dissolving the POC degradable prepolymer with a solvent, adding inorganic salt particles, and carrying out a cross-linking reaction to obtain the POC injectable particle material. Medicines, active molecules, various metal ions and the like are loaded on POC in a physical compounding or chemical crosslinking mode, and the citric acid-based particle injection material is obtained. The citric acid-based biological material provided by the invention, as a novel medical beauty raw material and a related particle injection filler thereof, can effectively promote regeneration, proliferation, migration and chemotaxis of skin cells, promote the production of collagen and achieve a medical beauty effect. Meanwhile, the immune response of the organism can be activated, inflammation is reduced, the product after degradation is citric acid which can be metabolized randomly, and obvious immunogenicity and toxic and side effects are avoided.

The invention discloses a CFD (computational fluid dynamics)-based TBM (tunnel boring machine) wet spraying primary lining constructability optimization method, and belongs to the technical field of tunnel construction. The method comprises the following steps: constructing a CFD geometric model comprising a jet nozzle, a tunnel ring surface and a closed computational domain, setting a multiphase flow model, viscosity parameters and a dynamic particle jet source, and simulating a concrete jet deposition process; representing partial liquid state behavior of sprayed concrete deposited on the wall surface based on the wall surface liquid film thickness, correcting a simulation result by synthesizing a scale factor after representing the actual spraying layer thickness, and introducing the scale factor to correct a simulation deviation; and the spraying angle, the spraying speed and the accelerator mixing amount are optimized in combination with the correction result, and optimal process parameters are generated and transmitted to a TBM control system to be executed. According to the method, physical experiments are replaced by virtual simulation, construction process visualization and result prediction are achieved, and the method is good in universality, high in simulation efficiency and suitable for efficient construction of the primary lining.

The invention discloses a high-sulfur-content natural gas elbow sulfur particle deposition simulation experiment device and a testing method, and relates to the technical field of high-sulfur-content natural gas gathering and transportation pipeline sulfur particle dynamic deposition. The sulfur particle deposition simulation experiment device for the high-sulfur-content natural gas pipeline can simulate the dynamic deposition process of sulfur particles under various working conditions such as different flow rates of the sulfur particles, different flow rates of gas, different particle sizes of the sulfur particles, different pipeline pressures, different pipe bending angles and different pipe bending materials; through the two-stage recovery and two-stage purification scheme of the activated carbon adsorption device, the cloth bag dust collector and the secondary filter screen, the sulfur particle recovery rate is highly reliable, and the danger to the environment and testers is remarkably reduced; and through the coupling design of the micro vibrator and the sulfur particle injection device, the problem of blockage caused by sulfur particle agglomeration is effectively solved, and the manual intervention frequency is reduced.

The invention relates to the field of numerical simulation, in particular to a porous ceramic model reconstruction and filtering performance simulation method, which comprises the following steps of: S1, obtaining internal structure image data of a ceramic material through micro-CT (Computed Tomography) scanning with micron-level resolution, and reconstructing a real three-dimensional microstructure of the ceramic material; s2, performing REV extraction and dynamic processing on the three-dimensional geometric model generated in the S1; s3, establishing a flow field model on the CFD, and setting corresponding boundary conditions; s4, the DPM is started, a particle injection source is configured, and particle physical parameters are set; s5, bidirectional coupling solution is executed, and high-precision particle motion and deposition process simulation is achieved; and S6, extracting simulation result data, and if the difference between the simulation result and the reference value exceeds a preset threshold value, returning to S4 and / or S5 to carry out parameter adjustment and model correction. According to the method, effective prediction of the particles in the porous structure can be realized.

The invention discloses a particle injection molding machine for plastic recycling, and belongs to the technical field of plastic injection molding machines, the particle injection molding machine for plastic recycling comprises an injection molding machine body, the injection molding machine body comprises a conveying pipe, a feeding port, a spiral conveying roller, a right mold, an electric push rod, a sliding plate, a limiting rod, a left mold, a discharging port and a mixing mechanism arranged on the outer wall of the feeding port; a conveying pipe is fixedly connected to the outer wall of the injection molding machine body, a feeding opening is formed in the outer wall of the conveying pipe, and by arranging a heating box, when plastic raw materials are produced and processed through a control box, the heating and mixing effects of plastic in the control box are improved, and the efficient injection molding effect of the plastic in the injection molding machine is improved; the electric heating wire can be turned on, and the electric fan is turned on, so that heat generated by the electric heating wire is conveyed into the control box from the second air supply outlet, and the effect of fully preheating the raw materials stirred in the control box is achieved.

The invention discloses a grid-control superconducting nanowire low-temperature thermometer and a preparation method thereof, and relates to the technical field of superconducting electronics and low-temperature detection. Comprising a substrate and a superconducting layer, and the superconducting layer comprises a grid electrode, a superconducting nanowire and an inductor; the grid electrode is vertical to the superconductive nanowire, has a distance from the superconductive nanowire and is used for electric field regulation and control; the superconducting nanowire is connected with the inductor and is used for responding to particles injected into the grid electrode and outputting a pulse signal; the inductor is connected with the superconducting nanowire and is used for inhibiting a latch-up effect under high bias current; the superconducting layer material is a superconducting thin film material with a superconducting transition temperature Tc exceeding a measurement temperature zone; according to the invention, (quasi) particle injection in the critical current process of the superconducting nanowire is regulated and controlled through the grid electric field, high-precision measurement of the low temperature is realized in combination with nonlinear response of the pulse counting rate and the temperature, and the device and the method have the advantages of wide temperature zone measurement, low noise, high sensitivity, low power consumption, small self-heating, simple measurement system and low cost.

The invention provides a device and a method for measuring a near-wall aerodynamic coefficient of particles. The device comprises an airflow pipeline, a particle injection assembly and an electric field generation assembly. Wherein clean airflow with a stable flow direction is arranged in the airflow pipeline, the particle injection assembly is used for injecting charged particles into the airflow pipeline, the electric field generation assembly is used for forming a flow direction electric field and a vertical electric field in the airflow pipeline, and the flow direction electric field is used for providing electric field force opposite to the flow field for the charged particles in the airflow pipeline; a vertical electric field is used for providing electric field force in the direction opposite to the gravity for the charged particles in the airflow pipeline. By controlling the electric field intensity of the flow direction electric field and the vertical electric field, the charged particles can be kept static in the mainstream area and the near wall surface area respectively, and the aerodynamic coefficient of the charged particles in the near wall surface area is calculated based on the size of the charged particles and the position of the charged particles in the near wall surface area. According to the invention, the stress characteristics and stress rules of charged particles at different wall surface positions can be measured.

The utility model provides a fat particle pushing and injecting assembly, and relates to the technical field of fat particle pushing and injecting, the fat particle pushing and injecting assembly comprises a pushing and injecting mechanism, a protection mechanism is arranged on the outer surface of the pushing and injecting mechanism, the protection mechanism comprises a connecting piece arranged on the outer surface of the pushing and injecting mechanism, and the connecting piece is connected with two protection plates. The protection mechanism is arranged on the injection mechanism, the needle head and the protection tube are effectively protected, accidental injuries caused in the preparation stage before transportation, storage and operation are avoided, meanwhile, the pollution risk is reduced, and the operation safety is improved.

The invention discloses a device and method for injecting functional particles on the surface of a material, the device comprises a pulse high-pressure jet device, the pulse high-pressure jet device is connected with a particle mixing and conveying device, and the particle mixing and conveying device provides functional particle suspension for the pulse high-pressure jet device; a nozzle of the pulse high-pressure jet device is positioned above the to-be-modified sample and is separated from the to-be-modified sample by a set distance, and a first ultrasonic vibration device is mounted on the outer wall of the nozzle; the to-be-modified sample is fixed through a moving device, and a second ultrasonic vibration device is mounted on the moving device; functional particle injection is achieved through the cavitation water jet and ultrasonic vibration technology, and efficient modification treatment can be conducted on the metal alloy surface under the room temperature condition. Therefore, material matrix performance change or organization structure damage possibly caused by a traditional high-temperature modification method is avoided, and the original excellent performance of the material is kept.

To address the technical problem in existing techniques where tracer particles, when used to measure gas flow velocity and flow field changes in a natural gas pipeline, interfere with the stability of the natural gas flow field within the pipeline, resulting in decreased accuracy or even measurement failure, an embodiment of the present invention provides a natural gas pipeline flow field tracer particle injection device and injection method, comprising: a injection unit, the ends of which are connected to an upstream natural gas pipeline and a downstream natural gas pipeline, respectively; a plurality of tube bundles disposed within the injection unit for connecting the upstream and downstream natural gas pipelines; and a tracer particle generator for communicating with each tube bundle to simultaneously inject tracer particles into each of the tube bundles. This embodiment of the present invention reduces the range of disturbances in the downstream flow field caused by tracer injection, allowing the entire flow field to quickly stabilize, resulting in a more uniform concentration distribution of tracer particles in the pipeline and more accurate measurement results.

This application provides a simulation system and method for the AC characteristics of vacuum diodes based on a physical information neural network, belonging to the field of numerical simulation technology for electronic devices. The system includes a particle injection module, a particle deposition module, a Poisson equation solving module, an electric field calculation module, and a particle propulsion module. The particle injection module continuously injects electron particles; the particle deposition module maps particle information to a grid and calculates the electron density; the Poisson equation solving module uses a physical information neural network method to solve for the potential distribution based on the electron density; the electric field calculation module obtains the spatial electric field; and the particle propulsion module updates the particle velocity and position, forming a self-consistent coupled simulation. This application achieves continuous and smooth potential solutions through hard constraint embedding of boundary conditions, two-stage optimization, and loss scale adjustment mechanisms, reducing grid dependence and improving computational accuracy and efficiency. It is suitable for numerical simulation of vacuum electronic devices, electron beam systems, and space charge transport problems.

Systems and methods are provided for locating hydrocarbons near a wellbore, determining petrochemical properties of a reservoir, and assessing hydrocarbon saturation between reservoirs. The nanoparticles can be positively charged and have properties that make them explode upon contacting crude oil. Sensors can be strategically placed near the wellbore to measure micro tremors caused by nanoparticle explosions. When the fluid is pumped into the wellbore, the fluid is forced into the surrounding rock formations. The fluid can contact crude oil in the rock formations, and the nanoparticles can attract to the fluid / oil interface due to negatively charged particles in the crude oil. When the nanoparticles reach the fluid / oil interface, they can contact the crude oil and explode. The seismic sensors can detect micro tremors caused by the nanoparticle explosions. The seismic sensor readings can be superimposed to identify the location of the crude oil and assess hydrocarbon saturation.

The invention relates to an airborne radioactive transport simulation test system and method for passive containment accidents. The system comprises an aerosol particle injection subsystem, an aerosol transport and deposition subsystem, a flow field measurement subsystem and an aerosol deposition and transport measurement subsystem. Through the design of a plurality of compartments (an aerosol particle injection compartment, a first transport deposition compartment and a second transport deposition compartment) and a connecting pipeline, the leakage diffusion and transport path of airborne radioactive substances in a passive containment accident can be really simulated; the compartments and the connecting pipelines are detachable, so that quick assembly and maintenance are facilitated; by combining the deposition wall surface and the coating, the test can be repeated for multiple times and deposition data can be collected; and the three-dimensional dynamic behavior of the aerosol is accurately captured through the flow field measurement subsystem. The method is suitable for source item analysis and aerosol diffusion research of a passive containment accident scene.

The utility model provides a fat layer particle injection device, and relates to the technical field of fat layer particle injection, the fat layer particle injection device comprises a supporting seat, the top of the supporting seat is provided with a limiting groove, a needle cylinder is placed in the limiting groove, a piston rod is arranged in the needle cylinder, the piston rod is provided with a connecting piece, the connecting piece is connected with a sliding sleeve, and the supporting seat is also provided with a contact switch. And the contact switch is arranged on the moving track of the sliding sleeve, so that the contact switch is triggered when the sliding sleeve moves. By means of the sliding sleeve and the contact switch, the piston rod can drive the sliding sleeve to move in the moving process, the sliding sleeve can trigger the contact switch in the moving process, in other words, when the preset injection amount is reached, the contact switch is triggered, medical workers are reminded to stop injection, and therefore the accuracy of the injection amount is ensured.

The invention discloses a laboratory B-PPG gel particle injection system and method, and relates to the technical field of oil field development physical simulation experiments. According to the technical scheme, the polymer mother liquor containing B-PPG gel particles can be in a rotating state in the injection process, the suspension time of the B-PPG gel particles is prolonged, the integrity of the B-PPG gel particles is kept, and therefore the effect of an indoor B-PPG gel particle development effect simulation experiment is improved. The system comprises a pressure source, a valve and a B-PPG gel particle injection device, two ends of the valve are respectively communicated with a pressure source and an injection device; the injection device comprises a shell, a rotary piston container, a driving motor, a gear mechanism and a control unit; the rotary piston container is positioned on the side of the shell; the driving motor and the gear mechanism are arranged in the shell; the driving motor is connected with the rotary piston container through a gear mechanism; the control unit is in communication connection with the driving motor; the control unit can control the driving motor to alternately rotate forwards and backwards within a preset time range. The invention further provides an injection method based on the injection system.

The invention belongs to the technical field of petroleum drilling equipment, and particularly relates to a particle injection device for petroleum drilling, which comprises particle tanks, and the particle tanks are double tanks which can be alternately used and are connected in parallel; an outlet pipeline is installed at the lower end of the particle tank, an adjusting pipe and an injection pipe are sequentially installed on the outlet pipeline, a nozzle pipe and a mixing pipe are installed at the two ends of the injection pipe respectively, and the mixing pipe is connected to a main manifold; a spiral plate is mounted in the mixing pipe; a control hose is installed in the adjusting pipe, a control pipe is installed on the adjusting pipe, the control pipe is communicated between the control hose and the inner wall of the adjusting pipe, and the control pipe is connected with an external hydraulic pump. The device is simple in structure, particles in the tank body can be impacted and stirred to prevent the particles from blocking an outlet, meanwhile, the particles are stirred to enable the particles and drilling fluid to be evenly mixed, meanwhile, the particle injection amount is continuously controlled and adjusted, and the concentration of the injected particles is changed.

The device for implanting particles into a substrate (12) comprises a particle source (2) and a particle accelerator (4) for generating an ion beam (10) comprising positively charged ions. The device further comprises a substrate holder (30) and an energy filter (20) which is arranged between the particle accelerator (4) and the substrate holder (30). The energy filter (20) is a microstructured film having a predetermined structural profile and is used to set the dopant depth profile and / or defect depth profile generated by the implantation process in the substrate (12). The device further comprises a passive braking element (22) for the ion beam (10), which is arranged between the particle accelerator (4) and the substrate holder (30) and is spaced apart from the energy filter (20).

The invention discloses a biochar particle injection combustion system for a ship boiler. A fuel preparation unit is used for preparing biochar particles from a biochar material; the fuel storage unit maintains the oxygen concentration in a storage bin to be lower than 3% through inert gas so as to ensure safety; the fuel feeding unit is used for forming the biochar particles into fuel and conveying the fuel into the injection unit; the injection unit injects fuel into the combustion and energy conversion unit, and is provided with a pressure monitoring and pressure relief loop to stabilize the safe operation of the system; the combustion and energy conversion unit comprises a combustor used for receiving fuel and feeding the fuel into the boiler through a combustor nozzle for combustion, heat released by combustion is absorbed by the heating surface of the boiler to generate steam for heat supply, and the pressure of the hearth is maintained within a safe range by adjusting the secondary air volume or starting a pressure relief outlet; fly ash enters an ash bin for centralized treatment after electrostatic dust collection is conducted on boiler flue gas, purified flue gas is sucked by an induced draft fan and subjected to tail gas treatment to be discharged after reaching the standard, and efficient and environment-friendly operation is achieved.

The utility model provides a lipid layer particle injection device which comprises an injection mechanism, the injection mechanism comprises a needle cylinder main body, a wing plate is installed on the needle cylinder main body, a piston main body is arranged in the needle cylinder main body, the piston main body is connected with a piston rod, and one end of the piston rod penetrates out of the needle cylinder main body and is fixedly connected with a push disc. A driving mechanism is arranged on the outer surface of the needle cylinder body and comprises a first U-shaped fixing base and a second U-shaped fixing base which are arranged on the outer surface of the needle cylinder body, the wing plate is clamped between the second U-shaped fixing base and the first U-shaped fixing base, and a connecting piece is arranged between the second U-shaped fixing base and the first U-shaped fixing base. And a driving part is arranged between the first U-shaped fixing seat and the push disc. Through the arranged driving mechanism, the driving part in the driving mechanism can drive the piston main body to move through the push disc and the piston rod, that is, electric driving is adopted, the injection speed and depth can be accurately controlled through electric driving, and personal errors are reduced.

The invention belongs to the technical field of data processing, and relates to a neutron generator operation state monitoring method and system based on digital twinning. The method comprises the following steps: acquiring real-time operation electrical parameters to construct a virtual twinborn body; inverting the effective deuterium and tritium atom concentration in the target film in real time by using a physical difference equation containing a particle injection item and a thermal diffusion loss item; a beam spot drift correction factor is determined by calculating the difference between the real-time impedance of the neutron tube and the nominal design impedance, the beam spot area of the virtual twin is dynamically corrected, and the problem of prediction model failure caused by electrode ablation is solved; and finally, on the basis of the corrected state parameters, using a multi-parameter product model to predict the neutron yield and perform health degree diagnosis. Transparent monitoring of the internal state of the neutron tube is achieved, the problem of model distortion caused by beam spot drift is effectively solved, and the prediction precision of the whole life cycle is improved.

The utility model discloses a waste recovery device for processing of a plastic particle injection molding machine, which belongs to the technical field of waste recovery and comprises a bottom plate, support rods are fixedly connected to the top of the bottom plate close to four corners, and a conical box is fixedly connected to the top ends of the support rods. Bearings are fixedly arranged on the two sides of the inner wall of the conical box in a penetrating mode, the number of the bearings is two, rotating shafts are rotationally connected into the two bearings, smashing rods are fixedly connected to the opposite ends of the two rotating shafts, and gears are fixedly connected to the other ends of the two rotating shafts. One crushing rod and one gear are driven to rotate through one rotating shaft, the two crushing rods can be driven to rotate at the same time by means of the meshing effect of the two gears, waste can be crushed, recycling and screening are facilitated, the waste can be collected by arranging a collecting box, and a sliding plate can be pulled out by means of sliding of the sliding plate in a clamping groove, so that material collecting is facilitated.

The application discloses a single particle injection method and a single particle injection device, and relates to the field of storage. The single particle injection method is suitable for the single particle injection device. The single particle injection device structure comprises a host and at least one single particle injection device. The host receives a starting instruction, and transmits the starting instruction to the single particle injection device. In response to the starting instruction, the at least one single particle injection device generates a field effect, and transmits the field effect to a receiving target. In response to the field effect, the potential state of the receiving target is changed. It can be seen that the embodiment of the application provides a single particle injection method and a single particle injection device. The single particle injection device releases and transmits a field effect to the receiving target. The field effect induces the change of the potential state of the semiconductor device of the receiving target. Moreover, the release, intensity and period of the field effect can be controlled according to requirements, so that artificial single particle injection is realized.

The utility model provides a plastic particle injection molding recovery device which comprises racks, longitudinal guide rails are installed on the front side and the rear side between the two racks respectively, a plastic particle recovery box assembly is installed between the two racks and comprises a recovery cover, protrusions are integrally arranged on the left side and the right side of the front side and the rear side of the recovery cover respectively, and the longitudinal guide rails are arranged on the longitudinal guide rails. And a gate valve is mounted at a discharge hole in the lower part of the recovery cover. Due to the arrangement of the recycling cover, the protrusion, the gate valve, the telescopic pipe, the air cylinder and the recycling box, plastic particles can be recycled, when the recycling box is replaced, the particles can be sheared continuously, and the machining progress is improved.

The system for capturing target condensed gas includes a supersonic condensation nozzle configured to receive a gas flow having a predetermined target condensed gas content and for accelerating the gas into a supersonic gas flow; at least one particle injection device within the supersonic nozzle for injecting particles into the supersonic gas flow, whereby target gas condensate is formed on some of the particles; an expansion device that generates an expansion wave in the flow of particles containing the target gas condensate, defining a conduit with a convex corner that separates the flow into a first flow path having particles with a high concentration of target gas condensate and a second flow path of gas with a lower target condensed gas content; and a flow divider having at least the first conduit, the flow divider configured to receive the first flow path.

The invention discloses a method and system for optimizing two-dimensional argon plasma uniformity by introducing a high-energy particle source, and the method comprises the steps: S1, filling a plasma reaction chamber with background gas, and simulating the distribution of neutral particles; s2, initializing the speed and the position of charged particles in the gas in the chamber, enabling the charged particles to be uniformly distributed in the chamber, and determining the intensity, the time sequence, the incident direction and the incident position of high-energy particles emitted by an external particle source; s3, calculation of charged particle density, potential and electric field; s4, calculating the force acting on the charged particles; s5, moving the charged particles; s6, checking and executing collision; and S7, repeating the steps S3 to S6, adjusting the high-energy particle injection time sequence until a steady state is reached, and obtaining the data distribution of the charged particles. Through controllable interaction between an external particle source and plasma or background gas, seed electrons-ions are actively generated in a specific space area or energy distribution is changed, and inherent space non-uniformity of the plasma is compensated.

The invention relates to the technical field of mineral flotation, in particular to a collision probability and desorption probability integrated measuring device suitable for mineral flotation. The device comprises a lower straight pipe, the lower portion of the lower straight pipe is sequentially connected with a bubble generation assembly and a particle injection assembly from bottom to top, the top end of the lower straight pipe is communicated with the bottom of a turbulence box, an inner cavity of the turbulence box is of a two-section structure with the wide lower portion and the narrow upper portion, and a bubble overflow channel and a turbulence area are formed by the narrow portion and the wide section of the inner cavity of the turbulence box respectively. A feeding pipe with an outlet extending to the turbulent flow area and a turbulent flow assembly with a power part extending to the turbulent flow area are mounted on the turbulent flow box. A physical carrier is provided for integrally obtaining the adhesion efficiency after collision of bubbles and particles and the desorption efficiency after adhesion, and the method has important significance in selecting a proper turbulence environment to strengthen collision of fine target mineral particles, reducing desorption of coarse target minerals and further improving the flotation recovery rate.

The invention discloses a vector adjustment ultrasonic molecular beam injection system and method, and the system comprises a control module which is used for electrically connecting and controlling all parts; the displacement driving module is used for driving the nozzle to linearly move; the angle driving module is used for adjusting the angle of the nozzle; the nozzle fixing module is connected with the nozzle, the displacement driving module and the angle driving module and used for fixing the nozzle; the gas distribution module is used for adjusting the pressure of a gas source; and the time sequence module is used for adjusting the injection time, the injection pulse width and the injection frequency. The injection method adjusts an ultrasonic molecular beam injection system based on the vector. According to the vector adjustment ultrasonic molecular beam injection system and method, the front-back displacement and angle pitching of the nozzle are adjusted according to requirements, ultrasonic molecular beam injection at different distances and different angles is achieved, and different supersonic speed particle injection application scenes are met.

The invention provides a particle injection test device for jet velocity field measurement, which comprises a particle generator, a nozzle connected with an air source is mounted in the particle generator, a tracer particle raw material is arranged at an air outlet port of the nozzle, and a pressure reducing valve and a switch assembly are sequentially arranged between the air source and the nozzle. An outlet of the particle generator is connected with the particle sowing relay tank through a second electric valve, an outlet of the particle sowing relay tank is connected with the jet flow device through an electric control valve, and a first pressure gauge and a second pressure gauge are arranged on the particle generator and the particle sowing relay tank respectively. The particle sowing relay tank is connected behind the particle generator to collect the tracer particles, so that the tracer particles can continuously, uniformly and stably reach the jet flow position, and the flow characteristics of the jet flow are fully reflected; and by arranging a pressure reducing valve and an electric control valve, the requirement of jet flow quantitative pressure control is met, and the tracer particles are evenly distributed in the jet flow process.

The application discloses a kind of GIS switch shell inner wall particle injection polishing device, belong to fluid polishing technical field.The application includes support, polishing chamber, feeding robot, several switches to be polished shell, abrasive pool, magnetic filter, air pump, the automatic sliding door is arranged on the polishing chamber, the feeding robot is located in the side of polishing chamber, the device includes barrel seat, the barrel seat is installed on support, the polishing chamber is arranged on barrel seat, the clamping mechanism is arranged on the polishing chamber, the polishing mechanism is arranged in the barrel seat, the air inlet pipe and the discharge pipe are connected on the polishing mechanism, one end of the air inlet pipe is connected with the air supply end of air pump, the middle part of air inlet pipe is provided with siphon, one end of the discharge pipe and siphon is inserted into abrasive pool, the application is lifted by inner thread sleeve driving lifting platform, simultaneously using displacement wheel to let air injection pipe move, realize that air injection pipe is flexibly switched between inside and outside of switch shell and carries out injection polishing.

The present invention generally relates to the field of conformance control in oil fields, particularly to a re-crosslinkable preformed particle gel system, and composition thereof. The composition of the re-crosslinkable preformed particle gel system contains monomers, crosslinkers, a polymer matrix, and additives. Components in the composition for re-crosslinkable preformed particle gel in the present invention have excellent compatibility with each other, and the obtained gel has excellent long term high-temperature resistance property. Different from prior products, in the re-crosslinkable preformed particle gel compositions according to embodiments of the present invention, the components that are used to re-crosslink the particle gels may be grafted on the polymer chain and will act as initiator or secondary crosslinker in different conditions. During particle injection process, all compositions would move together, thereby avoiding chromatographic problems typical of prior products.