32 results about "Discharge rate" patented technology

This utility model discloses a pulping device, relating to the field of ceramic wine bottle production technology. During the discharge process, the raw material accumulates on the inner wall of the discharge pipe, gradually solidifying. This solidified material reduces the discharge rate. The utility model includes a mixer body, a discharge structure, and a vibrating section. The discharge structure is positioned above the mixer body, and the vibrating section is located at the bottom of the mixer body's discharge port, with a protective frame connected to the bottom of the mixer body. The utility model utilizes a motor to drive a reciprocating screw, which in turn moves a slider. This slider, under the action of a connecting rod, drives a vibrating block in reciprocating motion. The vibrating block strikes the outer wall of the discharge pipe, causing the raw material on the inner wall to separate from it, thus reducing the amount of raw material adhering to the inner wall of the discharge pipe.

Methods, systems, and controllers for detecting and mitigating well screen outs may include a controller configured to operate a fracturing pump to supply fluid at a discharge rate to a wellhead at a fracturing well site. The controller may also operate a blender positioned to deliver a blend of proppant and fluid to the fracturing pump. The controller may compare a fluid pressure increase rate to a preselected increase rate indicative of a potential well screen out. The controller may incrementally decrease the discharge rate of the fracturing pump and a flow rate of a blender when the fluid pressure increase rate of the wellhead exceeds the preselected increase rate and the fluid pressure is within a preselected percentage of a maximum wellhead pressure until the fluid pressure of the fluid supplied to the wellhead is stabilized.

The present application provides a method and device for estimating the deflation rate of a discharge tube, the method comprising: ionizing the gas in the discharge tube, and measuring the vacuum degree in the discharge tube at intervals for multiple times until the vacuum degree in the discharge tube tends to a steady state; obtaining a vacuum degree decay curve based on the vacuum degree obtained by multiple measurements; estimating the deflation rate of the discharge tube according to the vacuum degree decay curve and the vacuum volume inside the discharge tube. The above scheme can detect the deflation rate inside the discharge tube and improve the accuracy of quality control detection of the discharge tube.

This application relates to the field of steel smelting technology and provides a material receiving trough discharge system, including a controller configured to perform the following steps: acquiring the flow rate threshold of the conveyor belt and the material quantity in any receiving trough; obtaining the discharge time based on the total material quantity in n receiving troughs and the flow rate threshold of the conveyor belt; obtaining the discharge rate of the corresponding feeding device based on the discharge time and the material quantity in any receiving trough; and controlling the discharge rate of the corresponding feeding device based on the discharge rate to perform the discharge operation. This application achieves simultaneous discharge of all receiving troughs and minimizes the time required to complete the discharge by rationally controlling the discharge flow rate of multiple receiving troughs and monitoring the remaining material quantity in the receiving troughs in real time. Furthermore, since new conveying equipment will unload during the discharge process, this application improves the utilization rate of the silo, optimizes the discharge performance, and reduces the energy consumption required for discharge by unloading from the receiving trough with the least material quantity.

This invention relates to the field of oil and gas field development technology, and particularly to a method for evaluating the friction loss of drag-reducing water. The method involves acquiring the discharge rate, friction-perforation friction, and tortuous friction of drag-reducing water of a first viscosity at each fracturing section during pump shutdown; acquiring data from a reduction discharge test based on drag-reducing water of the first and second viscosities in a selected fracturing section; acquiring the mid-depth sounding of each fracturing section; and calculating the friction loss coefficient gradient of the first viscosity drag-reducing water, as well as the perforation friction coefficient and tortuous friction coefficient of the first viscosity drag-reducing water in each fracturing section based on the mid-depth sounding and the discharge rate, friction-perforation friction, and tortuous friction of the first viscosity drag-reducing water in each fracturing section. Finally, based on the reduction discharge test data, the friction loss coefficient gradient of the first viscosity drag-reducing water, and the perforation friction coefficient and tortuous friction coefficient of the first viscosity drag-reducing water in the selected fracturing section, the friction loss coefficient gradient of the second viscosity drag-reducing water is calculated.

The invention relates to a load control method and device, computer equipment, a computer readable storage medium and a computer program product. The system is applied to a chemical production system, and the chemical production system comprises a storage tank, an upstream module located on the feeding side of the storage tank and a load module located on the discharging side of the storage tank. The method comprises the steps that current operation data of the upstream module and the current material level value of the storage tank are obtained; according to the current operation data and the current material level value, the first discharging amount of the storage tank is determined; and performing load control on the load module according to the first discharging amount. By adopting the method, the multi-working-condition adaptive capacity can be improved.

The utility model relates to the technical field of jet mills, and discloses a material receiving tank and a jet mill, the material receiving tank comprises a material receiving tank main body, the upper end of the material receiving tank main body is connected with a connecting pipe through a flange; the flow limiting assembly is arranged in the connecting pipe, the flow limiting assembly is used for controlling circulation of materials and comprises a follow-up plate, a supporting plate and a flow guiding set, the supporting plate is fixedly connected with the inner wall of the connecting pipe, the materials are driven by airflow to pass through the end opening of the discharging opening, and due to arc-shaped treatment of the end opening of the discharging opening, flow separation caused by right angles is avoided; the discharging port is designed to be of a gradually-shrunk conical structure, sudden change of the section is avoided, turbulence intensity is reduced, influence of rotational flow formed by materials on the discharging speed is avoided, control over material discharging is achieved through mutual cooperation of internal parts of the flow limiting assembly, and the situation that due to continuous discharging in work, the working efficiency is improved is avoided. And the materials are directly discharged, so that the materials are wasted and the surrounding environment is influenced.

The utility model discloses an auxiliary mechanism of a vacuum feeding machine, relates to the field of vacuum feeding equipment, in particular to the auxiliary mechanism of the vacuum feeding machine, and can solve the problem that an existing vacuum feeding machine in the prior art is inconvenient to treat wet raw materials. The mode that the detachable drying cylinder and the electric heating hose are combined is adopted, and raw materials in the feeding pipe section surrounded by the drying component are dried. The temperature of the raw materials can be rapidly increased when the raw materials pass through the feeding pipe section, so that evaporation of water is accelerated, and the falling speed of the raw materials is accurately regulated and controlled in cooperation with the adjusting component installed at the discharging end of the bottom of the storage barrel. The accumulation or shortage of the materials is effectively prevented, the efficient operation of the production line is maintained, and the downtime caused by non-uniform material supply is reduced. In addition, the proper discharging speed is beneficial for preventing the materials from being accumulated at the discharging port, the blocking risk caused by wet or viscous materials is reduced, and therefore smooth operation of the system is guaranteed.

This utility model discloses a dust suppression unloading hopper, relating to the field of hopper technology. It includes a discharge hopper and a pipe. The discharge hopper has a cavity, within which an adjusting cone and an anti-blocking component are installed. The anti-blocking component is located above the adjusting cone, and an adjusting assembly is installed on the anti-blocking component. The bottom of the adjusting assembly is connected to the top of the adjusting cone, and the top is fixedly connected to the pipe for controlling the discharge rate of the discharge hopper. The anti-blocking component is a connecting plate, integrally formed from two plates welded at their tops and arranged at an angle. By setting an adjusting cone inside the discharge hopper, the falling material is made columnar, facilitating the containment of dust during the fall and preventing dust from spreading as the material falls, thus improving the dust suppression effect during unloading. The anti-blocking component also prevents material from accumulating inside the discharge hopper.

Systems and methods corresponding with improved wellfield management are provided. In some examples, the system may initiate a step drawdown test of well efficiency to determine a cause of a decreased discharge rate of the wellfield site. The system may alter pumping of the wellfield site based on the step drawdown test, wherein a command signal is transmitted via a SCADA system to the wellfield site.

This utility model discloses a feeding device for the production and processing of plastic packaging bags, relating to the technical field of feeding devices. It includes: a belt conveyor for directional material conveying; a hopper installed on top of the belt conveyor, arranged in a C-shape; a material blocking device installed at the opening of the hopper, used to block material according to the discharge rate; and a discharge chute installed at one end of the belt conveyor. This feeding device, by adjusting the position of a sliding material blocking plate, allows the sliding plate to extend relative to a fixed plate, thereby extending the length of the fixed plate downwards, reducing the discharge gap, and thus facilitating the reduction of the discharge rate. This solves the problem of difficulty in adjusting the discharge rate as needed due to the fixed or inconvenient adjustment of traditional material blocking structures, and eliminates the need to stop the machine for adjustment, significantly improving production efficiency.

The utility model relates to the technical field of mixer, concretely is a gilding paper production with agitator convenient to unload, include: device body, device body includes equipment body, equipment body both sides are connected with support frame, equipment body one end is connected with the discharge pipe, the discharge pipe outer surface rotatory connection has the push mechanism, the push mechanism includes the thread cover, the thread cover one end is connected with the discharge pipe. The utility model discloses the thread cover rotatory connection in the discharge pipe outer surface to the discharge pipe is positioned, when discharging, starts servo motor, makes servo motor drive spoon -shaped fan to autorotation to make material enter the inside of discharge pipe through the discharge pipe, utilizes spoon -shaped fan to push the material to realize the effect that the discharge rate is accelerated to can dismantle the split cleaning and maintenance to the discharge pipe at any time, avoids the problem that the discharge efficiency is low because of not having the push function.

Slurry pressurization and filtration apparatus for analyzing slurries, and methods and media for analyzing slurries are provided. The method of analyzing a slurry performed by a processor of a slurry pressurization and filtration apparatus may include: collecting an accumulated discharge amount of a slurry of an active material of a secondary battery at a preset time interval; calculating an hourly discharge amount of the slurry by using the accumulated discharge amount of the slurry at the previous time and the accumulated discharge amount of the slurry at the current time; classifying the state information of the slurry on the basis of the accumulated discharge amount of the slurry and the discharge amount per hour of the slurry; and deriving a discharge rate representing a flow characteristic and a dispersion state of the slurry as an evaluation feature value based on a result of classifying the state information of the slurry.

The invention belongs to the technical field of oil and gas development, and particularly discloses an automatic control method and system for safe rising and discharging of a drilling mud pump after stand column connection, and the method comprises the steps that target discharging capacity, initial discharging capacity and a safe pressure threshold value are set, in response to completion of drill rod connection, a rising and discharging program is started, and an inner cavity of a drill column is filled with the initial discharging capacity; collecting the pressure of the riser in real time, and calculating the predicted pressure of the riser corresponding to the next step displacement; the predicted riser pressure is compared with a safety pressure threshold value, and rising and discharging are controlled according to the comparison result; and the predicted riser pressure corresponding to each step displacement is calculated repeatedly, and multiple times of rising and discharging control are carried out according to the comparison result of the predicted riser pressure corresponding to each step displacement and the safety pressure threshold value until the drilling fluid displacement reaches the target displacement. The problems that a manual experience control mode lags in response, pressure fluctuation is large due to manual operation, and misoperation is prone to occurring are solved, and the problem that simple program control is prone to failure under the complex well condition is solved.

This invention discloses a composite impact-driven drilling tool, belonging to the field of oil and gas drilling technology. Addressing the problems of poor tool adaptability and asynchronous impact and reversing in existing technologies, this invention proposes a quantitative design method based on the fluid-structure interaction coefficient. The tool's actuating valve assembly includes a coaxially nested inner sleeve and a reversing valve, controlling fluid flow direction through a distribution structure. This invention defines the coupling coefficient between the geometric parameters of the reversing valve and the hydrodynamic parameters. This coefficient is jointly determined by the circumferential impact torque, reversing rotation angle, drilling fluid discharge rate, nozzle pressure drop, and the equivalent hydraulic diameter of the reversing valve, and is controlled within a specific preset range. Through the above quantitative design, the inverse relationship between the reversing angle and the discharge rate is forcibly constrained, achieving efficient synchronization of impact and reversing across the entire discharge range, effectively solving the problems of "idling" or "jamming," and significantly improving rock-breaking efficiency.

A method of analyzing a slurry, which is performed by a processor of a slurry pressurizing and filtering apparatus, may include collecting a cumulative discharge amount of a slurry of an active material for a secondary battery at preset time intervals, calculating a discharge amount per hour of the slurry by using a cumulative discharge amount of the slurry at a previous time and a cumulative discharge amount of the slurry at a current time, classifying state information of the slurry based on the cumulative discharge amount of the slurry and the discharge amount per hour of the slurry, and deriving a discharge rate, which represents flow characteristics and a dispersion state of the slurry, as an evaluation characteristic value based on a result of classifying the state information of the slurry.

The invention relates to the technical field of drilling equipment, in particular to a constant-pressure-drop nozzle, and aims to solve the technical problems that in the prior art, due to the fact that the specification is fixed and the flow area of an outlet cannot be adjusted, when the actual displacement is inconsistent with the calculated displacement, the pressure drop at a drill bit is too large or insufficient, and the underground safety and the drilling efficiency are affected. The constant-pressure-drop nozzle is provided with the elastic piece and the two sliding sliding block bodies, the elastic force of the elastic piece and the counter-acting force applied by drilling fluid to the balance inclined faces of the sliding block bodies are mutually balanced, and therefore the two sliding block bodies are driven to move in the opposite direction or the back-to-back direction, the effective drift diameter of a spraying channel is automatically adjusted, and constant pressure drop is achieved. The technical problems that due to the fact that the specification of an existing drill bit nozzle is fixed and the flow area of an outlet cannot be adjusted, when the actual displacement does not conform to the calculated displacement, the pressure drop at the position of a drill bit is too large or insufficient, and underground safety and drilling efficiency are affected are solved.

The invention relates to the technical field of thickness measurement, and specifically discloses a device for measuring the thickness of sludge in a coal mine water bunker, comprising: a bunker chamber, a conveying frame connected to the side of the bunker chamber through a bracket, a belt arranged inside the conveying frame, and a bucket fixed on the surface of the belt; and further comprising: a distribution component, the distribution component being arranged inside the bunker chamber, the distribution component comprising a distribution pipe 1 and a distribution pipe 2, a delivery pump 1 being arranged inside the distribution pipe 1, and the discharge of water-coal sludge is assisted by the delivery pump 1, and a delivery pump 2 being arranged inside the distribution pipe 2, and the discharge of sludge is assisted by the delivery pump 2; a water-coal sludge layer and a sludge layer are discharged in time according to the thickness, the stratified extraction of the water-coal sludge layer and the sludge layer is realized, and the subsequent steps of extracting the water-coal sludge separately are reduced. At the same time, the content of the water-coal sludge and sludge to be entered into the bunker chamber is predicted in advance, and the discharge of the water-coal sludge layer and the sludge layer is controlled in advance according to the predicted signal, which is conducive to the rapid discharge of the water-coal sludge layer and the sludge layer, and the discharge speed is improved.

This invention relates to the field of oil well development technology, specifically disclosing a method for optimizing process parameters of a multifunctional integrated tubing string for long open-hole sections. The method includes: establishing an eccentric non-uniform annular flow channel model; establishing a rheological parameter correction relationship with temperature variation and calculating corrected rheological parameters; calculating the friction gradient along the flow path based on geometric eccentricity and annular flow cross-sectional area; determining the maximum safe discharge rate based on the corrected rheological parameters and friction gradient along the flow path; calculating the cuttings carrying ratio under different circulation discharge rates and determining the minimum cuttings carrying rate; determining the drilling circulation discharge rate based on the maximum safe discharge rate and the minimum cuttings carrying rate; determining the actual axial load of the tubing string based on the buckling critical load; and determining the cementing displacement discharge rate within the displacement discharge optimization search range based on the cement slurry volume ratio threshold. This method for optimizing process parameters of a multifunctional integrated tubing string for long open-hole sections solves the problem that current parameter designs merely satisfy parameters for a single stage.

This invention discloses a method for predicting the discharge performance of a semi-autogenous mill (SAM) by integrating multiphase flow simulation and a screening mathematical model, belonging to the technical field of mineral processing equipment. The method includes: establishing a three-dimensional geometric model of the SAM discharge end and the ore / steel balls; constructing a coupled model of the SAM discharge process by integrating the DEM-CFD-VOF multiphase flow simulation method and the Solder screening mathematical model; setting the initial ore filling rate, steel ball filling rate, and gas-liquid phase volume fraction of the model; performing numerical simulation to calculate the SAM discharge rate and discharge particle size distribution; and comparing the model with the actual SAM discharge rate and discharge particle size distribution to obtain the final result. This invention innovatively couples multiphase flow simulation with a dynamic screening mathematical model, thereby enabling simultaneous and high-precision prediction of both the discharge rate and discharge particle size distribution. This method significantly improves the mechanistic and accurate prediction of discharge performance, providing a key model kernel for constructing an intelligent control system for a SAM.

A dynamic deviation rectifying method suitable for a silo comprises the following steps that a three-dimensional space coordinate system is built with the center of the bottom of the silo as the original point, and coordinates of all discharging openings are set; a plurality of time nodes are set, real-time material level parameters of the silo are collected and read on each time node, and a material level reference matrix is formed; carrying out combined operation on the material level reference matrix and the coordinates of the discharge port to obtain a discharge port state judgment set, namely obtaining a mapping relation between the real-time material level parameters and the coordinates of the discharge port; setting a corresponding discharge rate corresponding to each discharge port through a discharge port state judgment set, and performing iterative operation on the discharge rate by adopting an iterative function according to the change of the real-time material level parameter so as to determine the accurate discharge rate of each discharge port; the actual discharging amount of each discharging opening is set according to the precise discharging speed of each discharging opening, a precise closed-loop control mechanism is formed, and eccentric discharging is avoided.

In a substrate processing method according to this invention, a decompression process after processing a substrate using a fluid in a supercritical state in a chamber is divided into two stages. In the first decompress step, an internal space of the chamber is decompressed to a pressure lower than the critical pressure and higher than an atmospheric pressure while keeping the temperature of the internal space equal to or higher than a critical temperature of the processing fluid. In the second decompression step, the processing fluid is discharged at a discharge rate higher than in the first decompression step, thereby the internal space is decompressed. At this time, the discharge rate is so controlled that the temperature of the internal space when the pressure of the internal space is reduced to the atmospheric pressure becomes a predetermined target temperature.

This application discloses a method, apparatus, equipment, and storage medium for measuring fracturing fluid injection volume, belonging to the field of exploration technology. The method includes: acquiring sensor signals via a DAS during fracturing operations; the sensor signals include acoustic signals measured at different fracturing depths; the DAS is installed inside the fracturing well; the fracturing well includes at least two perforations at at least two fracturing depths, the perforations being used to pump fracturing fluid; based on the sensor signals, calculating the energy percentage of the acoustic signal corresponding to the i-th perforation among the at least two perforations; the energy percentage is the ratio of the energy value of the acoustic signal corresponding to the i-th perforation to the total energy value, the total energy value being the sum of the energy values ​​of the acoustic signals corresponding to the at least two perforations; the energy percentage is used to indicate the injection volume percentage of the i-th perforation, where i is an integer; calculating the injection volume of the i-th perforation based on the fracturing fluid discharge rate of the fracturing well and the energy percentage; the fracturing fluid discharge rate is the amount of fracturing fluid injected into the fracturing well per unit time.

System (100), comprising: one or more processors (910)(914)(918); and one or more computer-readable media (912)(916)(920) storing instructions which, when executed by the one or more processors, cause the one or more processors to perform operations, comprising: Receiving data associated with a material unloading from a transport machine (102) (114)(202)(308)(410); Determining a discharge rate (202)(322)(416), at least partially based on the data; Determining an engine speed (210) and a hydraulic valve position (214) associated with the discharge speed (216); and inducing the transport machine to unload the material at the unloading speed, based at least partially on the engine speed and the hydraulic valve position (218); wherein the operations further comprise: Identifying a crushing machine (404) designed to receive the material from the transport machine (402); Receiving sensor data (412) generated by a sensor (414), the sensor being carried by the crushing machine; and Determine, at least partially based on the sensor data (412), a material fill level in the crushing machine, the discharge rate is determined at least partially based on the material level in the crushing machine (416).

This invention discloses a sludge age adaptive control method and system based on dissolved oxygen trend identification. Addressing the problem of delayed shock response caused by difficulties in online COD measurement, this method, under stable influent and aeration conditions, filters and extracts features from the online DO signal using a sliding window to obtain the regression slope characterizing DO changes over time. Combined with the ORP persistence criterion, it reliably identifies COD surge shocks. A fusion model of mechanism and machine learning is used to determine the identification threshold and target sludge age (SRT). After a shock is triggered, the sludge discharge rate is rapidly adjusted to match the treatment capacity, and aeration is used to maintain DO stability. The system integrates modules for online monitoring, DO identification interval determination, feature calculation, load identification, SRT decision-making, and sludge discharge execution. This invention eliminates the need for online COD instruments, achieving rapid shock identification and closed-loop control, significantly improving the process's shock resistance and operational stability.

A material transfer vehicle loads material into a container. The fill level of the material in the container is detected, and the transfer speed of the material from the material transfer vehicle into the container is controlled based on the detected fill level. The transfer speed can be controlled using a variety of different configurable unloading parameters.

Methods, systems, and controllers for detecting and mitigating well screen outs may include a controller configured to operate a fracturing pump to supply fluid at a discharge rate to a wellhead at a fracturing well site. The controller may also operate a blender positioned to deliver a blend of proppant and fluid to the fracturing pump. The controller may compare a fluid pressure increase rate to a preselected increase rate indicative of a potential well screen out. The controller may incrementally decrease the discharge rate of the fracturing pump and a flow rate of a blender when the fluid pressure increase rate of the wellhead exceeds the preselected increase rate and the fluid pressure is within a preselected percentage of a maximum wellhead pressure until the fluid pressure of the fluid supplied to the wellhead is stabilized.

The present invention discloses an optimization method for temporary plugging knots and temporary plugging balls in multi-cluster diversion fracturing of horizontal wells, comprising the steps of: conducting a stepped discharge reduction test on the fractured interval, obtaining the stable pressures at different discharge rates, and getting the discharge reduction test data; importing the discharge reduction test data into a dedicated numerical simulation software to calculate the optimal dosages of the temporary plugging knots and the temporary plugging balls; conducting a stepped discharge reduction test again at the end of the displacement stage of the first-stage fracturing, obtaining the stable pressures at different discharge rates, and importing them into the dedicated numerical simulation software to calculate the number of effectively opened liquid inlet holes after sand addition; based on the change in the number of effectively opened liquid inlet holes after sand addition, combining physical simulation experiments and high-definition visual imaging analysis data to deduce the change in the perforation hole diameter, and combining the proportion of each diameter to select the optimal particle sizes of the temporary plugging knots and the temporary plugging balls. The present invention improves the success rate of temporary plugging diversion fracturing by optimizing the dosages and particle sizes of the temporary plugging knots and the temporary plugging balls.

The objective is to provide a reservoir discharge rate adjustment device that can discharge water up to the allowable discharge rate from a low water level in the reservoir using only a simple mechanism that does not require power. [Solution] A rotating shaft 22 with a vertical centerline is rotatably supported on the frame 21 of the variable orifice opening control device 2, and a cylindrical cam drum 24 with a cam groove 23 formed on its outer surface is fixed to the rotating shaft 22. A reinforcing member 25 with a U-shaped cross-section is fixed to the inner surface of the cam drum 24 to reinforce the cam groove 23. A roller 231 rotatably supported on the upper end of the gate operating rod 172 is fitted into the cam groove 23. A cylindrical float 31 is floating in the adjustment pond 1.

Systems and methods corresponding with improved wellfield management are provided. In some examples, the system may initiate a step drawdown test of well efficiency to determine a cause of a decreased discharge rate of the wellfield site. The system may alter pumping of the wellfield site based on the step drawdown test, wherein a command signal is transmitted via a SCADA system to the wellfield site.