56 results about "Injection rate" patented technology

The invention relates to the technical field of carbon dioxide sequestration, in particular to a saline water layer carbon dioxide sequestration evaluation and monitoring integrated method and system. Dynamic injection data are obtained, the deviation degree between the dynamic injection data and the initial injection scheme is calculated to obtain an injection pressure deviation state value, an injection rate deviation state value and a bottom hole pressure deviation state value, and then a comprehensive deviation state value is obtained; on the basis of a comparison result of the comprehensive deviation state value and an expected comprehensive deviation state value, periodic monitoring is determined according to an original plan, or deep analysis is carried out to determine an abnormal source; and adjusting the monitoring scheme and the opening degree of the injection pump or the opening degree of the flow regulating valve in real time based on the abnormal source, and inverting new data obtained according to the new monitoring scheme into the geological numerical model so as to update and correct the numerical simulation process. According to the invention, the injection scheme can be dynamically optimized based on real-time data, and the injection efficiency is improved.

The invention discloses a liquid injection method and device for a to-be-injected lithium battery, computer equipment and a medium. The liquid injection method comprises the following steps: acquiring the rated capacity of a battery to be injected, the actual liquid injection port diameter and the actual liquid injection port number on a shell of the battery to be injected, and acquiring the set liquid injection amount of a liquid injection machine; the liquid injection time is calculated according to the rated capacity, the actual liquid injection opening diameter, the liquid injection opening number and a preset mathematical model; wherein the preset mathematical model comprises the corresponding relation between the liquid injection time and the rated capacity, the actual liquid injection port diameter and the liquid injection port number; the liquid injection rate is determined according to the liquid injection time and the set liquid injection amount; and injecting liquid into the to-be-injected lithium battery according to the liquid injection rate and the liquid injection time. According to the method, the liquid injection time is accurately calculated through the pre-established preset mathematical model among the rated capacity of the battery, the liquid injection port parameters and the liquid injection time, the method is simple and high in applicability, the consistency of the liquid injection amount of the battery can be ensured, the production efficiency is improved, expensive liquid injection equipment is not needed, and the cost is reduced.

This invention provides a treatment accelerator injection system that allows for the real-time selection of the appropriate injection rate of the treatment accelerator. [Solution] The treatment accelerator injection system comprises a water treatment measurement unit, an acquisition unit, a treated water quality prediction unit, and an injection rate determination unit. The water treatment measurement unit acquires water quality information of the water treatment. The acquisition unit acquires at least constraint condition information that defines the water quality state of the treated water after water treatment, operating condition information when water treatment is performed, and a plurality of different assumed injection rate values ​​indicating the provisional injection rate of the treatment accelerator for water treatment of the water treatment. The treated water quality prediction unit acquires, for each assumed injection rate value, the predicted treated water quality obtained when water treatment is performed according to the operating condition information by injecting the treatment accelerator based on each assumed injection rate value into the water treatment indicated by the water quality information. The injection rate determination unit determines the assumed injection rate value corresponding to the predicted treated water quality value that satisfies the constraint condition information as the final injection rate value, based on the plurality of predicted treated water quality values ​​and the constraint condition information.

A deformable self-adapting injection pressurization robot relates to the technical field of fluid pressurization. The injection pressurization robot is composed of a deformable injection pressurizer, a process data acquisition and processing system, a shape, position and size measurement and processing system, a deep learning system and a servo drive system. The deformable injection pressurizer includes a nozzle, a receiving chamber, a mixing chamber, a diffusion chamber and an outlet straight edge section, which are all composed of a dynamic adjustment disc, a slice and a fixed reference disc, and the radial adjustment is realized by rotating the dynamic adjustment disc. The robot takes the output information of the process data acquisition and processing system and the shape, position and size measurement and processing system as the learning parameters of the deep learning system, and establishes the proxy model of the performance characteristics such as injection rate and pressurization ratio; when the working condition changes, the optimal shape, position and size signal is automatically fed back, and the deformation of the robot is completed by the servo drive system. The present application can adaptively deform to ensure the optimal injection performance without replacing parts, and has high adjustment precision and large operation interval.

The application aims to provide a method for regulating the consistency of injector injection of each cylinder of an engine considering transient supply-injection disturbance, belonging to the field of engines. First, the rail pressure curve, the injector inlet pressure curve, the driving current curve and the injection rate curve data under different supply time and injection time are obtained on a high-pressure fuel injection system test bench to construct a data set. Then, based on the data set, a Transformer time series model is established with the rail pressure, pressure and current curve as input and the injection rate as output, the injection rate is predicted online and the injection quantity is calculated through time integration. Next, through the programmable logic controller, the injection pulse width under different supply and injection time is feedback regulated to realize the accurate control of the injection quantity of single and multiple injections of each cylinder. The application effectively responds to the supply-injection disturbance under transient working condition, improves the consistency of the injection quantity of each cylinder, and improves the combustion efficiency and running stability of the engine.

A valve assembly for integration within a wellbore string is provided. The valve assembly includes a valve housing defining a fluid passage therethrough and having injection ports, and a flow restriction component extending between the fluid passage and the injection ports to establish fluid communication therebetween. The flow restriction component is configured to create a flowrate restriction along a flow path length thereof, with each injection port being aligned with respective portions of the flow restriction component to define respective flow path lengths defining respective degrees of flowrate restriction. The valve assembly also includes a flow adjuster connected to the valve housing and being fluid-pressure actuatable to align an outlet with one of the injection ports such that fluid flow between the fluid passage and the reservoir is restricted by a corresponding degree of flowrate restriction to maintain an injection rate substantially constant.

The utility model relates to the technical field of cash box door molds, in particular to a cash box door pin-point gate to large gate side glue feeding structure which comprises a fixed mold plate, and a fixed mold frame is fixedly mounted at the bottom of the fixed mold plate. According to the side rubber feeding device, the side rubber feeding mechanisms are fixedly mounted on the upper mold and the lower mold, the side rubber feeding device can be conveniently connected with a pipeline of rubber feeding equipment through the first pipe joint and the second pipe joint, and the first rubber feeding pipe, the second rubber feeding pipe, the first conveying pipe, the second conveying pipe, the third conveying pipe, the fifth conveying pipe and the sixth conveying pipe are matched for use, so that injected rubber flows; and a first glue outlet, a second glue outlet, a third glue outlet and a fourth glue outlet are used for conveniently injecting glue into the upper mold and the lower mold, use is more convenient and faster, pipelines on the side glue inlet mechanisms are all in a communicated state, therefore, glue is injected into the upper mold and the lower mold more quickly, the speed of injecting glue into the upper mold and the lower mold is increased, and the production efficiency is improved. And the practicability of the side glue feeding structure for converting the pin-point gate to the large gate of the cash box door is further improved.

The invention provides a pressure drive development water injection speed optimization method. The optimization method comprises the steps that S1, a pressure value P1 at the limit oil supply radius is calculated according to the oil well yield; s2, according to the given total injection amount, the given pressure-driving injection speed and the corresponding pressure-driving water injection time are calculated, and the half length of the fracture is calculated; s3, solving a pressure value P2 at the limit oil supply radius of the pressure flooding water injection pressure profile according to the fracture half length; s4, comparing the pressure value P1 at the limit oil supply radius with the pressure value P2 at the limit oil supply radius of the pressure flooding water injection pressure profile; and S5, when P2 is larger than P1, it is indicated that displacement is effective, and otherwise, the water injection state is adjusted to achieve effective displacement. The optimal water injection speed is determined to ensure effective displacement of the pressure driving operation and avoid water channeling between the injection well and the production well.

The invention discloses a method for improving the crude oil recovery ratio through pressure drive-CCUS cooperation, and the method comprises the steps: S1, screening a unit with a poor conventional oil reservoir development effect, specifically, a low-permeability reservoir with the calibrated recovery ratio being lower than 10%; s2, evaluating the suitability of applying pressure drive-CCUS to the low-permeability oil reservoir, and determining a target oil reservoir according to the evaluation standard of the target oil reservoir; s3, closing the oil well of the target oil reservoir, which is subjected to pressure driving, and recording the wellhead pressure of the oil well, and the liquid production capacity and the water content before well closing; s4, water with the preset capacity is injected into the target oil reservoir at the preset injection speed through the injection well, and the injection displacement is based on the condition that the injection pressure reaches the formation fracture pressure; and other steps. According to the method, formation permeability improvement and formation energy supplementation are achieved in a pressure driving mode, the CCUS provides a guarantee for enlarging the swept volume and improving the oil displacement efficiency for pressure driving, and the recovery efficiency is greatly improved through the synergistic effect of the CCUS and the CCUS.

The invention discloses a novel auxiliary injection device for preventing and controlling bovine epidemic diseases, and belongs to the technical field of epidemic prevention injection.The novel auxiliary injection device comprises a shell, a piston is arranged in an injection cylinder, one end of the piston is fixedly connected with a push rod, and the left end face of the injection cylinder communicates with a connector extending out of a through hole; a quantifying mechanism is arranged on the outer wall of the shell; a clamping mechanism is arranged on the left end face of the shell, by arranging the quantifying mechanism, when the proximity rod moves to be aligned with the proximity sensor, a signal is transmitted to the signal processor through the proximity sensor, the servo motor is controlled to stop through the signal processor, and then the push rod and the piston are made to stop moving; the movable plate is extruded by the extrusion spring, and the sleeve is firmly fixed on the outer wall of the connector by the movable plate, so that the injection speed and the injection dosage are convenient to control, the injection effect is good, the working efficiency is high, and the needle head is not easy to fall off.

An injection molding machine and a viscosity measurement method of the disclosure are provided with an injection cylinder to which a viscosity measurement unit is attachable and detachable and a control device. When setting an inner diameter of the injection cylinder or an outer diameter of the injection shaft as D. For a capillary installed to the viscosity measurement unit, a capillary inner diameter is set as d. By respectively using three or more values γk of the shear rate, k being a natural number, the control device is configured to calculate injection velocities Vk based on Formula (1) and automatically sets a value of the injection velocity Vk within a predetermined range, among the calculated injection velocities, as an injection velocity at a time of viscosity measurement.[Formula⁢ (1)]Vk=d38⁢D2⁢γk(1)

The invention relates to the technical field of cementing devices, and discloses a multi-stage reinforcement type graded cementing device which comprises an injection pipe, a material injection assembly is arranged at the top end of the injection pipe, and a circulation assembly is arranged at the top of the injection pipe; the material injection assembly comprises a circular cavity pipe, a first circular ring plate, memory alloy and a piston plate, and self-adaptive pressurized conveying of cement paste is achieved through the deformation characteristic of the memory alloy in cooperation with a sliding sealing structure of the piston plate and the circular cavity pipe; when the pressure of cement paste in the injection pipe rises, the pressure pushes the piston plate to extrude the memory alloy to form bending deformation, so that a gap is formed between the piston plate and the inner wall of the circular cavity pipe, and the cement paste can quickly enter the conveying pipe through the gap and then is injected into an annular space through the injection hole; in addition, the rebound resilience of the memory alloy can assist the piston plate in resetting, the sealing performance of the injection channel after the pump is stopped is guaranteed, and cement paste backflow is avoided; according to the design, additional control components are not needed, the material injection rate can be automatically adjusted according to pressure changes, and the pouring stability under the complex well condition is improved.

This application relates to the field of oilfield technology, specifically to a method for enhancing oil recovery based on the emulsification effect of ternary composite flooding and its application. The method includes: determining the optimal ratio of ternary composite flooding under each type of reservoir condition; setting up monitoring points; analyzing the injection pressure variation characteristics of ternary composite flooding during the early injection void volume stage, combining the numerical deviation of the injection pressure to obtain necessity evaluation parameters, and determining the injection pressure control time and priority of the early injection pressure control targets; during the mid-stage injection void volume stage, analyzing the water cut changes at each monitoring point and control time during each injection process, determining emulsification evaluation indicators, determining adjustment coefficients, and obtaining the target injection rate at each pressure control time in the mid-stage. This application aims to adjust the injection strategy in real time to ensure that ternary composite flooding achieves optimal results at different stages, thereby effectively improving oil recovery.

The invention discloses an injection rate measuring device and an injection rate measuring method, and belongs to the technical field of measurement and test, the injection rate measuring device comprises a memory and a measuring assembly, the memory can be connected with an injection assembly, and an outlet of the memory can be communicated with an inlet of the injection assembly; the measuring assembly can communicate with an outlet of the injection assembly and an inlet of the storage, the measuring assembly comprises a metering module, a back pressure valve and a pressure sensor, the metering module can be connected with the injection assembly, and an inlet of the metering module can communicate with the outlet of the injection assembly; an inlet of the back pressure valve is communicated with an outlet of the metering module; the back pressure valve is connected with the storage, and an outlet of the back pressure valve can be communicated with an inlet of the storage; the pressure sensor can be in communication with the outlet of the injection assembly. By arranging the back pressure valve, the fluid can be kept in a liquid state, fluid parameters can be conveniently collected, and the measurement error of the injection rate can be reduced.

The invention discloses a gas phase compensation compressible fuel injection coupling test device and a correction method, the gas phase compensation compressible fuel injection coupling test device comprises a piston pressurization cavity, an injection rule test cavity, a connecting cylinder and an elastic modulus test cavity which are coaxially communicated, and a driving / driven piston is in rigid linkage to form equivalent specific volume coupling; the jet cavity is connected with the sound velocity testing cavity through a communication channel, a microwell plate and a variable resonant cavity are arranged in the channel to form an adjustable acoustic filter network, and the sound velocity testing cavity is provided with sound velocity ports which are oppositely arranged up and down. The system is triggered by a unified hardware clock and synchronously acquires pressure, displacement, temperature and sound velocity. According to the method, the volume elastic modulus is measured firstly, the injection rate is obtained according to a volumetric method, the gas content and the actual elastic modulus are inversed in combination with the cross-correlation sound velocity and the Wood equation, temperature correction is introduced, and real-time compensation of the injection rule is achieved through expansion / unscented Kalman filtering online estimation back substitution. According to the scheme, high-frequency interference is inhibited, sampling time difference is avoided, and injection rate metering accuracy is improved.

The utility model discloses an efficient injection device of a saline injection machine, which belongs to the technical field of food processing equipment and comprises a needle tube, a water injection channel is arranged in the needle tube, a base is positioned on the needle tube, a sliding seat is movably sleeved on the base, and a plurality of meat pressing plates for pushing the surfaces of objects to squeeze the peripheral side of the needle tube are fixedly arranged on the sliding seat. And an elastic piece capable of applying elastic force to the sliding seat is arranged on the base. According to the efficient injection device of the saline injection machine, after the needle tube is inserted into a meat block, the meat pressing plates push the surface of an object to extrude the peripheral side of the needle tube under the abutting action of the elastic pieces, so that saline is not easy to flow out along the direction opposite to the direction in which the needle tube is inserted into the meat block during saline injection; and the state is maintained under the action of the elastic piece within a period of time when the needle tube gradually leaves the meat block, so that the effective injection rate of the saline water is effectively improved when the needle tube injects the meat block every time.

This invention discloses a method, equipment, and storage medium for calculating the gas lift perforation depth in ultra-deep wells, specifically including the following steps: S1, collecting gas well production data and wellbore structure data; S2, establishing a physical model of the tubing based on the actual tubing dimensions, and meshing the tubing physical model; S3, deriving the calculation relationship between wellhead gas injection rate and wellhead pressure through numerical simulation, obtaining the optimal gas injection pressure and optimal gas injection rate; S4, calculating the relationship between bottomhole flowing pressure and wellbore vertical depth; S5, substituting the optimal gas injection pressure obtained in step S3 into the relationship between bottomhole flowing pressure and wellbore vertical depth in step S4, to obtain the well depth, which is the optimal design position of the gas injection valve. This invention is simple to calculate, yields relatively accurate results, and has strong applicability.

Correspondence between gas lift injection rates and production rates for a well is determined, and correspondence between gas lift injection rates and net incremental values for the well is determined. The correspondence between gas lift injection rates and production rates for the well defines a gas lift performance curve for the well, and the correspondence between gas lift injection rates and net incremental values for the well defines a net incremental value curve for the well. Control of the gas lift injection rate for the well is facilitated based on the correspondence between gas lift injection rates and the net incremental values for the well.

This invention discloses a method for adjusting injection parameters in horizontal wells with limited wellhead pressure rise. The method includes determining injection capacity evaluation indicators, influencing factors, and the number of levels for each influencing factor; numerically simulating and fitting a single-factor functional relationship to determine the water-polymer injection pressure ratio; obtaining an injection capacity prediction formula under multi-factor conditions using multivariate composite nonlinear regression; fitting parameters to the injection capacity prediction formula using the minimum sum of squared errors method; obtaining calculation formulas for injection rate and polymer viscosity based on the injection capacity prediction formula; calculating the maximum injection rate and maximum polymer viscosity under limited wellhead injection pressure rise conditions; and obtaining the optimal parameters for pressure constraints using the SLSQP algorithm. This application is applicable to polymer flooding development scenarios with limited wellhead injection pressure rise, balancing development efficiency and production safety, and providing technical support for chemical flooding injection.

This invention discloses a method and apparatus for determining the maximum performance of a split-phase catalytic converter (SCR). In this method, for the i-th second within the injection duration, the urea injection rate at the i-th second and the upstream NO concentration at the i-th second are considered. X Mass flow rate, downstream NO in the i-th second X The ammonia storage capacity of the SCR in second i is calculated based on the mass flow rate and SCR conversion factor, and the upstream NO in second i is used as a reference. X The concentration of NO in the downstream region at the i-th second X The concentration is used to calculate the SCR conversion efficiency in the i-th second, where i is a positive integer. The maximum ammonia storage capacity of the SCR at the current temperature is calculated by integrating the total ammonia storage capacity over the injection duration. The highest conversion efficiency among the conversion efficiencies in each second within the injection duration is taken as the highest conversion efficiency of the SCR at the current temperature. Using the method of this invention, the maximum ammonia storage capacity and the highest conversion efficiency of the SCR can be measured quickly and accurately.

This application relates to thermodilution injection fluid measurement and control. Apparatus and methods for measuring, controlling (or both) the thermodilution injection fluid flow rate used to calculate a thermodilution pulmonary parameter. An injection fluid delivery system includes a syringe for containing injection fluid and a delivery tube configured at one end to connect to a catheter. A flow measurement device is inserted into the delivery tube to generate a signal used to determine the flow rate of fluid from the syringe to the catheter. A processor receives the signal from the flow measurement device and calculates the injection fluid volume to be used as an input for calculating a thermodilution pulmonary parameter such as cardiac output. A GUI is provided to guide the user as to whether the injection rate is too fast or too slow. The system can include a constant flow valve to provide a constant flow rate from the syringe rather than measuring or calculating the flow rate.

An injection mold apparatus of a pressure vessel includes an upper mold including an internal surface in a shape corresponding to a shape of an external surface of the pressure vessel provided with a nozzle with a closed inlet; a lower mold including an external surface in a shape corresponding to the shape of the internal surface of the pressure vessel, engaged with the upper mold, and formed with an air injection passage therein; an ejector injecting air through the air injection passage between the lower mold and the taken-out pressure vessel; an air injection rate setting device configured for controlling an injection rate of the air injected between the lower mold and the pressure vessel using the ejector; and a pneumatic controller interlocking with the air injection rate setting device and controlling a pressure of air injected.

The invention discloses a tight oil reservoir energy supplement injection speed determination method and device, electronic equipment and a storage medium. The method comprises the following steps: carrying out rock core physical simulation on a target rock sample to obtain experimental energy complementing parameters of the target rock sample in an experimental energy complementing environment; wherein the target rock sample is a rock sample obtained from a target tight oil reservoir; on-site energy supplementation is conducted on the target tight oil reservoir, and on-site energy supplementation parameters are obtained; according to the permeability calculation mode, the corresponding relation of the energy complementation injection speed between experiment energy complementation and field energy complementation is constructed through the experiment energy complementation parameters and the field energy complementation parameters; and according to the corresponding relation, the energy supplementing injection speed of the tight oil reservoir under different conditions is determined. By adopting the technical scheme of the embodiment of the invention, the problems of large parameter determination error and poor model universality of the energy supplement injection speed in the prior art are solved, and the technical effects of short experimental period, low cost and high efficiency are achieved.

The purpose of this invention is to provide a piston-type booster pump and a fuel injection system based on a dual-solenoid valve booster pump with a flexible and variable injection pattern, belonging to the field of engine technology. Fuel is pressurized by an electronically controlled unit pump and enters the high-pressure common rail. The piston-type booster pump can further pressurize the pressurized fuel, thereby changing the injection pressure of the injector and achieving a variable fuel injection pattern. When only one booster pump solenoid valve is open, the piston-type booster pump has a long booster response time and a slow increase in injection rate. When both booster pump solenoid valves are open simultaneously, the piston-type booster pump has a short booster response time and a fast increase in injection rate. The electronic control unit achieves flexible control of the injection pattern by coordinating the opening and closing sequence of the two booster pump solenoid valves, the electronically controlled unit pump solenoid valve, and the injector solenoid valve.

To improve the accuracy of the injection ratio of a chemical to be injected to treat raw water flowing into a water purification plant.SOLUTION: An injection ratio calculation system (2) comprises an acquiring unit (21) acquiring upstream data measured at least on one of a position of injecting a chemical and an upstream position relative to the injection position and an evaluation index evaluating the state of mixed water injected with a chemical, an injection ratio estimation unit (22) of estimating the injection ratio of the chemical from the upstream data using an estimation model, an injection ratio correction unit (41) of correcting the estimated injection ratio according to the evaluation index, and an updating unit (51) of updating the estimation model using teacher data using the upstream data as explanatory variables and using the corrected injection ratio as an object variable.SELECTED DRAWING: Figure 2

The application provides a super-combustion ramjet engine spanwise pulse injection device, which comprises a spanwise injection cylinder and at least two pulse injection assemblies in parallel and communicated with the spanwise injection cylinder, the pulse injection assembly comprises a first valve body, a second valve body, a movable valve core arranged at an outlet end of the second valve body and a nozzle seat which are sequentially arranged along a fuel flow direction; at least two buffer cavities which are symmetrical along a second valve body axis are arranged at a connection position of a third valve seat and a second valve seat, a buffer elastic member is arranged in the buffer cavities, and a pressure relief pipeline which is communicated with the second cavities is arranged at one end of the buffer spring close to the buffer cavities. Advantageous effects: through the design of four buffer cavities, a pressure relief pipeline and a buffer elastic member, when the pressure in the pipeline changes, the buffer elastic member is compressed or rebounds, the water hammer effect is effectively reduced, the rate of fuel entering the second cavities from the pipeline is accelerated, the injection rate is further accelerated, the pulse lag phenomenon is reduced, and the pulse frequency is improved.

This invention relates to a method for controlling ammonia injection in an SCR flue gas denitrification system in a steel plant, belonging to the field of ammonia injection control technology. The system includes: acquiring load data under various operating conditions of the target boiler unit and reactor gas concentration data, and calculating the simulated ammonia injection rate of the SCR flue gas denitrification system at the current moment; obtaining the fuzzy control ammonia injection rate at the current moment based on the reactor gas concentration data and the simulated ammonia injection rate, and obtaining the operating condition status value based on the various load data; obtaining the actual control ammonia injection rate based on the operating condition status value, and applying it to the system. This invention can adaptively adjust the actual control ammonia injection rate according to changes in different operating conditions, improving the control accuracy of the SCR flue gas denitrification system.

A control system for a gas assisted plunger lift (GAPL) system includes a sensor and a processor circuit. The sensor is configured to measure a plunger speed and / or velocity and the processor circuit is configured to control various parameters of the GAPL based on the measured plunger speed and / or velocity. The processor circuit may be configured to adjust a gas injection rate parameter based on the measured plunger speed and / or velocity, and / or may adjust one or more parameters including: a close time, an afterflow time, a flow rate, a load factor, a tubing pressure, a casing pressure, and a tubing / casing differential pressure. The controller may be further configured to adjust all parameters simultaneously or may sequentially adjust a first sub-set of parameters and then adjust a second sub-set of parameters. The first sub-set may include a gas injection flow rate and the second sub-set may include after-flow and close time parameters.

The invention relates to the technical field of medical intelligent control, in particular to a fat transplantation survival rate optimized reinforcement learning injection path planning system, which comprises a near infrared spectrum detection device, a fat cell survival rate distribution diagram, an injection path planning module, an injection path planning module and a fat transplantation survival rate optimization module, the injection path planning module constructs a reinforcement learning reward function based on the survival rate distribution diagram, generates an optimized injection path, and sends the optimized injection path to the injection speed control module and the fat particle distribution simulation module, and the fat particle distribution simulation module simulates the fat particle migration process in the optimized injection path. And a prediction result is generated and sent to the injection speed control module, the injection speed control module generates an injection speed control instruction according to the optimized injection path and the prediction result, the injection speed control instruction is executed through the injection needle, the fat survival rate can be remarkably improved by the system from traditional 30-50% to 70-85%, and repeated operation requirements are reduced.