17 results about "High pressure pulse" patented technology

This application discloses a high-pressure pulse sealing test platform, relating to the field of rubber and plastic sealing pulse technology. The high-pressure pulse sealing test platform includes: a test fixture for supporting the seal to be tested; a pressurization system including a large oil tank assembly, the large oil tank assembly having a first pipeline connected to the oil inlet of the test fixture, the first pipeline having a large gear pump set, an accumulator, a servo valve, and a pressurization cylinder arranged sequentially along the direction close to the test fixture; and an oil replenishment system, where oil discharged from the oil outlet of the test fixture is filtered by the oil replenishment system and then delivered to the oil inlet of the test fixture; wherein the degree of leakage of the test fixture is characterized by the change in piston displacement of the pressurization cylinder.

The invention provides an LIBS-based online detection method and system for components of molten steel in an RH refining furnace, and belongs to the field of ferrous metallurgy. The slag breaking gun, the purging gun and the detection gun are integrated in the three guns respectively, and the three guns are controlled to ascend and descend integrally in a servo motor and lead screw transmission mode. The slag breaking gun adopts high-pressure pulse injection type propane gas non-contact slag breaking, the purging gun adopts high-pressure nitrogen gas purging, and the detection gun is used for LIBS element composition detection; a gun self-protection linkage mechanism is detected, when the gas pressure and flow are too low, the temperature is too high or equipment communication faults occur, fault signals are fed back to an industrial personal computer, and a servo motor immediately responds and lifts the three guns to a safe distance; the molten steel liquid level continuously fluctuates, the laser range finder and a servo motor encoder are jointly controlled through an RS422 serial port communication protocol, laser is emitted to collect data, and meanwhile automatic focusing and distance adjusting are conducted; according to the invention, the accuracy, the real-time performance and the precision of online detection of the molten steel components are improved.

This invention discloses a desulfurization wastewater flue gas drying and anti-clogging atomization system and its control method in the field of atomization. The system includes: an atomizing nozzle; a flushing device for supplying flushing water to the atomizing nozzle, comprising a low-pressure flushing component and a high-pressure flushing component; a three-way ball valve, comprising a high-pressure flushing channel and a wastewater conveying channel; an ultrasonic device disposed on the transition section; and a control unit configured to: control the start and stop of the flushing device and the ultrasonic device according to the clogging state and atomization operation state, and control the switching between the high-pressure flushing channel and the wastewater conveying channel of the three-way ball valve. The desulfurization wastewater flue gas drying and anti-clogging atomization system provided by this invention achieves continuous low-pressure flushing and intermittent high-pressure pulse flushing, which can both prevent scaling and remove existing blockages. The ultrasonic device generates low-frequency ultrasound to achieve a dual function of anti-clogging and enhanced atomization, while the ultrasonic device generates high-frequency ultrasound to detect the clogging state of the atomizing nozzle, realizing clogging monitoring and early warning of the atomizing nozzle.

This invention discloses a combined process for restoring reservoir drainage and gas production channels using high-pressure drive and chemical dissolution, relating to the field of efficient oilfield exploitation technology. The process includes: S1, conducting production profile testing and sampling analysis of blockages in the target gas well to determine the type, distribution location, and reservoir physical parameters of the blockages, and preparing a corresponding chemical dissolving agent based on the analysis results. This invention couples the mechanical fracture-creating effect of high-pressure pulsed fluid with the cavitation effect and vibrational mass transfer effect of ultrasound. Based on the initial dissolution of blockages by the chemical dissolving agent, the stress waves generated by the high-pressure pulse expand the reservoir microfractures. Simultaneously, the collapse of microbubbles generated by ultrasound enhances the dissolution reaction rate, and the vibration promotes the dissolving agent's penetration into the micropores, achieving a synergistic effect of chemical dissolution and physical displacement, thoroughly removing blockages from the pore throats, and avoiding secondary precipitation of dissolution products.

The utility model relates to the technical field of unblocking pipelines, and discloses a motion type high-pressure pulse nozzle device convenient for unblocking, which comprises a shell, a support plate is fixedly connected to the middle of the inner wall of the shell, a water pipe is fixedly connected to the rear side of the inner wall of the support plate, and small nozzles are fixedly connected to the periphery of the front side of the support plate at equal intervals. A large spray head is fixedly connected to the middle of the front side of the supporting plate, a partition plate is fixedly connected to the front side of the inner wall of the shell, through openings are formed in the periphery of the front side of the partition plate at equal intervals, and buckle fixers are fixedly connected to the periphery of the front end of the outer wall of the shell at equal intervals. According to the utility model, the partition plate and the shell are connected through the buckle fixer and the pipe clamp to ensure the structural stability, the shell, the supporting plate and the groove I of the partition plate are matched with the connecting plate to fix all parts, and the fixing block can be easily taken out through the design of the groove II and the fixing block, so that quick disassembly is realized, and a convenient disassembly function is provided.

The invention provides a high-pressure durability test method for a hydraulic fluid module. The high-pressure durability test method comprises the following steps: acquiring target test pressure and target pulse frequency of the hydraulic fluid module; calculating a minimum fluid volume required by a test element based on this; a metal cylinder and an optional metal ball are filled in an inner cavity of the test element, and the actual effective fluid volume of the test element is adjusted to meet the minimum volume requirement; connecting a test system, injecting and heating a test medium, and then applying a pulse pressure waveform conforming to a target parameter to carry out a durability test; and finally, judging the durability of the test element by monitoring whether the test element leaks or not. By actively and accurately adjusting the effective fluid volume of the test element, effective formation and stable transmission of the high-pressure pulse waveform are ensured, and the reliability and accuracy of the fatigue life test of the hydraulic element under the high-pressure working condition are remarkably improved.

The application relates to a shock wave system and a shock wave control method. The shock wave system comprises a first shock wave component, a second shock wave component and a shock wave energy generator; the corresponding expansion range of the first shock wave component is smaller than that of the second shock wave component; the first shock wave component is used for expanding according to the applied pressure when positioned in a preset range of a shocked object, and converting the high-pressure pulse emitted by the shock wave energy generator into shock wave energy, so that the shock wave energy acts on the shocked object; the second shock wave component is used for expanding according to the applied pressure when positioned in the preset range of the shocked object after the shock wave energy acts on the shocked object and the first shock wave component has reached a sufficient expansion condition; and the shocked object reaches a preset crushing condition when the expanded second shock wave component reaches the sufficient expansion condition. The system can improve the accuracy of shock wave control.

The utility model relates to the technical field of workpiece surface cleaning devices, in particular to a pulse type foreign matter removing and workpiece surface cleaning device which comprises a main flow guide pipe, an extension pipe, a spray head, a base, a pressurizing pipe and a pressurizing mechanism, the extension pipe is arranged at one end of the main flow guide pipe, the spray head is connected to one end of the extension pipe, and the base is arranged on one side of the main flow guide pipe. According to the utility model, the pressurizing mechanism is arranged, so that the spray head can generate high-pressure pulse, and the surface of a workpiece can be quickly cleaned; meanwhile, by means of the arrangement of a force unloading unit, after the air pressure in the device reaches a preset value, a first driven rod and a second driven rod can be synchronously linked, then a linkage ring and a butt joint base can rotate, it is avoided that the butt joint base is pushed again to move, and then the force unloading effect is achieved; high-pressure gas can be continuously output, the situation of gas pressure attenuation is avoided, and the cleaning efficiency is effectively guaranteed.

The invention belongs to the technical field of rock mechanics, and particularly provides a pulse jet rock breaking perforation mechanism and process parameter optimization method which comprises the following steps: 1) collecting and preprocessing real-time perforation process data; 2) establishing an environment model by using historical data and the preprocessed data; 3) monitoring perforation process data in real time, performing interactive learning on the monitored perforation process data and the environment model, and performing autonomous learning and adjusting perforation process parameters by a reinforcement learning algorithm according to feedback results of the perforation process data monitored in real time and the environment model; and the steps are repeated until the perforation requirement is met, and optimization of the technological parameters in the perforation process is completed. The problem that in the prior art, real-time optimization and intelligent control of technological parameters in the high-pressure pulse jet flow rock breaking perforation technology cannot be achieved is solved. Real-time optimization and intelligent control of technological parameters in the high-pressure pulse jet rock breaking perforation technology are achieved, and the perforation effect and the productivity are improved.

The invention discloses a hydraulic parameter optimization method and device based on a digital-analog test and a medium. The method comprises the following steps: acquiring a pressure distribution image of a physical model under the action of high-pressure pulse jet flow based on a pressure sensor array; acquiring the pressure change and the propagation path of the high-pressure pulse jet flow; obtaining the penetration condition of the high-pressure pulse jet flow to the crack and the crack propagation effect; acquiring and processing a pressure release image under the action of the high-pressure pulse jet, and acquiring the penetration condition of the high-pressure pulse jet to the crack and the crack propagation effect; acquiring and analyzing the flowing condition and the spraying angle data of the high-pressure pulse jet flow, optimizing hydraulic parameters and improving the design of the high-pressure pulse jet flow; obtaining the pressure distribution and the propagation path of the high-pressure pulse jet flow, and verifying the influence of the optimized hydraulic parameters on the pressure distribution; and the flowing condition and the crack expansion effect of the high-pressure pulse jet flow are obtained and compared with experimental results. The method can improve the fracturing transformation effect of the oil and gas reservoir.

The invention relates to a high-voltage pulse deburring device and a using method thereof, and belongs to the technical field of electric vacuum device manufacturing, the high-voltage pulse deburring device comprises an ignition power supply unit, a pulse modulation and boosting unit, an energy power supply unit, a pulse forming network, a detection power supply unit and an output terminal, high-voltage ignition pulses are modulated by the pulse modulation and boosting unit; the energy power supply unit outputs a second direct-current voltage; and the detection power supply unit outputs a third direct-current high voltage and cooperates with the double-range leakage current detection meter to perform a withstand voltage test. According to the invention, the functions of ignition, ablation and detection are integrated, and the deburring process which is efficient, energy-saving, accurate and controllable in energy, free of damage to electrodes and simplified in process is realized through ignition and ablation separation design, pulse width and hot melting time constant matching, automatic switching of circuit isolation devices and safe interlocking of a control unit.

The application relates to the technical field of rock mechanics and engineering geology, and discloses a high-pressure ultrasonic imaging and acoustic emission acquisition system and a control method thereof. The system comprises a high-pressure pulse generation unit, a switching unit, an ultrasonic generator, a signal amplification unit, a data acquisition unit and a data analysis and diagnosis unit. The application can achieve the purpose of high-pressure excitation and high-sensitivity reception by means of the high-pressure pulse generation unit, which can cyclically excite the ultrasonic generator to generate acoustic wave signals, and the unexcited ultrasonic generator can be used for receiving the acoustic wave signals. The application can realize the multiplexing of the ultrasonic generator in excitation and reception, reduce the deployment cost of the probe, realize dynamic detection in the whole area and the whole period, support the phased array excitation mode of any number and any spatial distribution array, realize wave field energy focusing, greatly improve the detection precision and energy density of a specific area, and obtain the detection data equivalent to that obtained by multiple fixed excitation through one cycle of excitation, thereby significantly improving the detection imaging effect.

The utility model discloses a pre-discharge type lightning rod, which relates to the technical field of lightning rods and comprises a high-voltage pulse generator main bin, a main rod is fixedly connected to the bottom of the high-voltage pulse generator main bin, and a bottom screw is fixedly connected to the bottom of the main rod. The top of the high-voltage pulse generator main bin is fixedly connected with a top cover shell through an assembly part, and the top of the high-voltage pulse generator main bin is fixedly connected with a small discharge needle. And the function enables an uplink pilot emitted by the electric ions to move to a position which is dozens of meters or even hundreds of meters far away from the lightning rod in advance to be subjected to lightning receiving with a downlink pilot from thundercloud, so that the protection range of the lightning rod is expanded.

The present invention relates to the technical field of fluidized bed roasting furnaces, and in particular to an intelligent anti-blocking system, method and device for a gas distribution plate of a fluidized bed roasting furnace. Two groups of nozzle arrays are installed on the side wall of the fluidized bed roasting furnace, and the nozzle spray direction is adjusted to align with the small hole area of ​​the distribution plate; high-precision temperature and pressure sensors are installed at the edges and corners of the distribution plate where blockage is likely to occur, to achieve real-time and continuous monitoring of temperature-pressure data, and provide key supporting data for system diagnosis and control; an integrated programmable logic controller system is introduced, and when the sensor captures signals such as an abnormal drop in temperature or a significant increase in pressure, indicating that the small hole may be blocked, the PLC will immediately determine the existence and location of the blockage and trigger a preset clearing program, driving the nozzle to spray a high-pressure pulse airflow to efficiently clear the blockage. The present invention has the characteristics of intelligence, automation, and high efficiency, and can prevent and control the blockage problem of the gas distribution plate of a fluidized bed roasting furnace, ensuring the efficiency and stability of the equipment operation.

The utility model discloses a general compact HPM source device, include: combined cabinet, be assembled from first cabinet and second cabinet, be provided with high pressure pulse modulator unit, control unit, solid state amplifier excitation source unit, distribution unit and standing wave protection unit from below to above in proper order in first cabinet, be provided with high -power klystron in second cabinet, high pressure pulse modulator unit is used for changing 380V alternating current into the pulse high pressure required by high -power klystron cathode, solid state amplifier excitation source unit is used for providing the microwave excitation of high -power klystron when working, standing wave protection unit has two microwave detection mouth outward, is respectively used for monitoring the forward power and reverse power of high -power klystron output, high -power klystron is used for connecting microwave transmission link outward through microwave output mouth, control unit is used for receiving the control instruction of host computer issue, and the device state information is reported to host computer, the utility model discloses compact structure, convenient operation.

The invention discloses a fracturing crack characteristic detection method and system based on wellhead high-pressure pulses, and the method comprises the steps: preparing and exciting the wellhead high-pressure pulses, and continuously collecting and recording the high-frequency pressure and high-pressure pulse wave signals of a wellhead in the excitation-propagation-reflection process; performing frequency band separation and signal reconstruction, and evaluating filtering fidelity; key echo arrival time and frequency components are calculated, pulse features are extracted, and a two-dimensional cepstrum method is adopted to identify the depth of a main liquid inlet point; constructing a shaft-crack coupling model and a parameter library, constructing a water hammer and high-pressure pulse wave propagation model based on mass and momentum conservation, and describing shaft attenuation and reflection at cracks or bridge plugs; fracturing crack characteristics are inversed before and after single-section fracturing, the fracturing effect is evaluated, and well completion and construction parameter optimization are guided; according to the scheme, quantitative recognition of the depth of the main liquid inlet point and the near-well transformation index is achieved.

This invention discloses a high-temperature, high-pressure pulsed water jet directional stripping device for steel structures, belonging to the field of steel component welding. The invention includes a high-pressure pulse generation system, a heating system, and a stripping actuator head. The stripping actuator head is detachably mounted on a support assembly, which is detachably mounted on an I-beam. The support assembly has multiple fixing structures for securing the stripping actuator head. This invention securely mounts the stripping actuator head to the I-beam via the support assembly and fixing structures, eliminating the need for manual operation. This fundamentally eliminates the risk of equipment "flying away" or becoming uncontrollable due to the enormous reaction force generated during operation, as is common with traditional high-pressure water jet or pneumatic tool handheld operations. This effectively avoids potentially serious personal injury accidents and greatly improves the safety of the operation process.