42 results about "Drainage volume" patented technology

The invention provides a coal mine roof sandstone water long directional hole and short straight hole combined drainage prevention and control method, and belongs to the technical field of coal mine water disaster prevention and control. The method comprises the following steps: finely exploring geological and hydrogeological conditions, obtaining hydrogeological characteristics of an aquifer, and calculating static reserves and dynamic replenishment; designing and constructing a long directional hole, and determining a track parameter and a drainage amount; short straight holes are designed and constructed, a low-resistance abnormal area is arranged in a densified mode, and the drainage amount and the drawdown are calculated; constructing a multi-objective optimization model, and determining an optimal drilling position combination; partition drainage control is conducted based on the optimization scheme, the drainage speed and flow are dynamically adjusted, and grouting plugging is conducted on the waterless drill hole; the water inflow is monitored, and the drainage effect is judged according to the attenuation rate. Safe and efficient drainage of roof sandstone water is achieved, the mine water disaster risk is effectively reduced, and safe production of a coal mine is guaranteed.

The invention relates to the technical field of drainage liquid sudden increase early warning, in particular to a drainage liquid sudden increase rapid early warning system based on artificial intelligence. The system obtains drainage volume data and various physiological indexes in real time; according to the difference between the drainage volume data changes of the current patient and the preset similar historical patient and the drainage volume data change condition of the current patient, the drainage abnormality degree is obtained, and the drainage abnormality time period is determined; according to the duration of the abnormal drainage time period of the current patient at the current moment, the change of the abnormal drainage degree in the abnormal drainage time period and the abnormal condition of the physiological indexes, the abnormal drainage degree is determined; and acquiring an early warning degree to perform early warning on the drainage sudden increase abnormity of the current patient at the current moment according to the occurrence condition of the drainage abnormal time period of the current patient at the current moment, the overall abnormal condition of the physiological indexes and the change of the interval duration of the adjacent drainage abnormal time periods. According to the invention, early warning is accurately carried out on drainage sudden increase abnormity of the current patient, so that the harm of drainage abnormity is effectively reduced.

The invention relates to the field of coal mine safety mining and underground water control, and particularly discloses an intelligent drainage and pressure reduction comprehensive treatment method based on dynamic drainage density optimization, which comprises the following steps: S1, arranging a monitoring section fixed-distance grid array, and determining point location and hole sealing requirements; s2, adopting a structured mesh to subdivide the three-dimensional model; s3, describing spatial correlation between aquifer parameters and effective porosity by using a spherical variation function model, and performing universal Kriging interpolation in combination with covariables to generate a three-dimensional parameter field; s4, solving a Darwest equation based on a finite difference method to establish a three-dimensional water flow model; s5, correcting a traditional water inrush coefficient formula by using a rock mass integrity coefficient, and setting a third-level early warning threshold value; s6, determining double threshold values of the safe water level and the ecological water level; s7, well density calculation is carried out, and a function is constructed; and S8, establishing a staged drainage scheme to form an ecological regulation and control strategy. According to the method, the drainage amount can be accurately and dynamically regulated and controlled, the water inrush risk is reduced, and ecological disturbance is reduced.

The invention discloses a system and a method for evaluating the scale of surge induced by reservoir dangerous rock pouring into water. The method comprises the steps that the rock mass submerging state is determined according to the relative position relation between the rock mass base bottom face elevation and the reservoir still water face elevation; judging the contact position of the rock mass and the water body at the corresponding moment according to the inclination angles and the positions of the rock mass at different moments in the dumping process of the rock mass, determining the drainage volume of the rock mass and deducing the external force borne by the rock mass; calculating the acceleration, the speed and the displacement of different parts of the rock mass in the movement process, and constructing a mechanical model containing a dynamic pressure and static pressure coupling effect; and the mechanical model is embedded into an iSquare numerical framework, an RGW-Square dangerous rock dumping induced surge numerical model is established, and the dynamic wave height of the surge is calculated to evaluate the scale of the dangerous rock dumping induced surge. The invention provides a system and a method for evaluating the scale of surge induced by reservoir dangerous rock dumping into water, fills the gap of a dynamic model of surge induced by reservoir dangerous rock dumping, and solves the problems of inaccurate surge scale evaluation and the like.

The utility model discloses a drainage bag capable of controlling drainage volume, which comprises an outer frame, a first vertical guide rail, a second vertical guide rail, a telescopic drainage bag and an adjusting component, one end of the adjusting component is in sliding connection with the first vertical guide rail, and the other end of the adjusting component is in sliding connection with the second vertical guide rail. The first vertical guide rail and the second vertical guide rail are each provided with a plurality of adjusting holes arranged at intervals in the vertical direction, the adjusting holes are matched with the adjusting assembly in a clamped mode, the upper end of the telescopic drainage bag is connected with a drainage tube, and the drainage tube is rotationally connected with the outer frame. The lower end of the telescopic drainage bag is fixedly connected with the adjusting assembly; according to the utility model, the drainage amount can be adjusted without an electronic device, the possibility that the capacity cannot be adjusted due to failure of the electronic device is avoided, the adjusting mode is simple and quick, the manufacturing cost is low, and the device is suitable for clinical popularization and application.

The invention discloses a lateral ventricle drainage device capable of automatically adjusting pressure, which comprises a drainage tube capable of being mounted on a sliding block of a height adjusting frame, the height adjusting frame is existing and is equipped in hospitals, the sliding block is arranged in the middle of the height adjusting frame, scale marks are arranged on two sides of the height adjusting frame, and the sliding block can slide up and down to adjust the height. The pulley mechanism is installed on the sliding block and can generate elastic torsion when rotating, the pulley mechanism has the elastic torsion, the drainage tube bypasses the pulley mechanism from the upper side and then is divided into a right section and a left section, the right section is provided with an elastic expansion bag, and the left section is provided with a transparent dropper which is communicated with outside air and used for observing the dripping speed. The pulley mechanism has a clockwise torsion force to balance the gravity of the expansion bag, the tail end of the left section is connected with a drainage bag, when the drainage amount is increased, the expansion bag expands to drive the pulley mechanism to rotate clockwise, the dropper ascends to raise the position of the liquid outlet so as to reduce the drainage flow speed, and the flow speed adjustment is achieved.

The application discloses a kind of sewer network discharge capacity regulation and control method, system and storage medium, belong to urban drainage management technical field.The method includes constructing the topological structure model of sewer network in target area;The flow rate and pressure of each node on topological structure model are obtained to construct pressure wave calculation model;Total pressure of each node is determined according to pressure wave calculation model;The discharge capacity of each node is determined according to the total pressure of each node;The water level of each node is determined according to the discharge capacity of each node;The maximum safe discharge capacity of each node is determined according to the total discharge capacity of all nodes of sewer network in target time length and the water level of each node;The discharge capacity of upstream pump station of sewer network is adjusted according to the maximum safe discharge capacity of each node.The application realizes global optimization control by simulating pressure wave propagation and superposition effect, avoids the problem of downstream overflow caused by upstream drainage, and improves the efficiency and safety of sewer network operation.

The invention provides a medical quantity-control drainage stopping device, and belongs to the technical field of medical nursing instruments. The device is ingenious in structure, full-mechanical in structure, high in reliability and capable of automatically and quantitatively stopping drainage. The device comprises a shell, a stopping clamp and a driving assembly, the stopping clamp is arranged on the outer wall of the shell, the driving assembly is arranged in an inner cavity of the shell and is in driving connection with the stopping clamp, a drainage bag is hung on the driving assembly, a drainage tube is clamped in a clamping opening of the stopping clamp, and the drainage bag increases weight and pulls the driving assembly to deform to a cut-off threshold value position. The driving assembly drives and controls the stopping clamp to springing and closing to execute the flow stopping work on the drainage tube. The device is high in structural reliability, low in failure rate, adjustable in drainage amount, high in practicability, flexible in hanging mode and high in convenience.

The utility model discloses a drainage catheter measuring device for surgical operation, which relates to the technical field of drainage catheter measuring devices and comprises a drainage tube body, a negative pressure suction ball body, a drainage liquid measurer body and a drainage bag body, and the bottom end of the drainage tube body is fixedly connected with the top end of the negative pressure suction ball body. A first connecting pipe is fixedly connected between the bottom end of the negative pressure suction ball body and the top end of the drainage liquid measurer body, a second connecting pipe is fixedly connected between the bottom end of the drainage liquid measurer body and the top end of the drainage bag body, and the bottom end of the drainage bag body is fixedly connected with a liquid discharging pipe. And the outer wall of the negative pressure suction ball body is fixedly connected with a pressure control valve. The negative pressure suction ball body is used for keeping negative pressure, the drainage liquid measurer body is used for measuring drainage amount, the measured drainage liquid is squeezed into the drainage bag body, the drainage amount can be accurately recorded at any time in each shift, the change of the illness state of a patient can be closely observed, the chance of infection is reduced, and the workload of workers is also reduced.

This invention relates to the field of municipal drainage scheduling and intelligent control technology, and particularly to a low-carbon scheduling method and system for municipal drainage based on LSTM. The method includes: establishing hydraulic topology relationships; constructing training samples and outputting the node water level sequence, downstream receiving capacity sequence, and safe retention time sequence corresponding to each drainage scheduling object in the prediction time domain; dividing the drainage volume to be discharged in each scheduling period into rigid drainage volume and transferable drainage volume; obtaining the electricity carbon emission factor sequence in the prediction time domain, and establishing a drainage volume transfer matrix characterizing the transfer and allocation relationship between the transferable drainage volume of each source scheduling period and the target scheduling period in each low-carbon period set; performing two-layer rolling scheduling based on the drainage volume transfer matrix to generate a target transfer scheme and a target scheduling scheme; and executing the target scheduling scheme. This invention achieves the reasonable transfer and scheduling of the transferable portion of the drainage task to the low-carbon period under the premise of meeting drainage safety and downstream receiving capacity constraints.

The present invention belongs to the technical field of urban physical examination data analysis, and specifically discloses a system for deep mining and visual analysis of urban physical examination data, which includes a drainage data acquisition module, a drainage overload analysis module, an intersection hazard analysis module, and a hazard report generation module. The present invention effectively solves the core problems of staticity, one-sidedness, and hysteresis in the existing technology by setting a technical system of dynamic threshold correction + multi-dimensional risk modeling + drainage intersection focus analysis, and realizes a leap-forward upgrade from extensive pipe network design to refined node prevention and control, providing a quantifiable, traceable, and scalable risk management tool for urban drainage systems. At the same time, by integrating dynamic parameters such as the real-time drainage volume of drainage branches, overload index, and centralized drainage time, a drainage intersection hazard index is innovatively constructed to achieve deep risk mining focusing on the key node of the drainage intersection.

The utility model discloses a u-shaped drainage device, which relates to the technical field of drainage devices and comprises a drainage channel main body and a reinforcing steel bar, and a water inlet is arranged above the drainage channel main body. When the u-shaped drainage device is installed, the drainage groove body can be installed in a concrete foundation pit, meanwhile, the side plates and the reinforcing steel bars are supported on the two sides of the drainage groove body, the installation stability of the drainage groove body is improved, the section of the drainage groove body is in a U shape, the drainage amount can be increased, and the lining groove is pushed into the drainage groove body, so that the drainage effect is improved. Meanwhile, the lining groove drives a butt joint plate and a butt joint block to slide into a second butt joint groove and a first butt joint groove, then a limiting bolt is inserted into a threaded hole so that the limiting bolt can be in threaded engagement with the threaded hole, and finally one end of the limiting bolt is clamped into the limiting hole, so that the lining groove can be limited, and the lining groove can be conveniently and rapidly assembled into the drainage groove body; and the drainage device can be reused, so that the practicability of the drainage device is improved.

The invention provides a drainage system, and relates to the technical field of roadway drainage, and the system comprises a data acquisition module which is used for constructing precipitation sequence data based on the historical precipitation data of a mine sump; the displacement prediction module is used for acquiring a precipitation hidden state corresponding to the precipitation sequence data and determining predicted displacement by taking the precipitation hidden state as input of a linear activation function; wherein the displacement prediction module is obtained by training a precipitation sequence data training data set marked with displacement; and the drainage module is used for draining the mine sump based on the predicted drainage amount. According to the invention, the predicted displacement can be accurately obtained by inputting the precipitation sequence data into the displacement prediction module, and the drainage module realizes accurate drainage from the mine sump through the predicted displacement.

The present application relates to the technical field of drainage liquid sudden increase early warning, in particular to a drainage liquid sudden increase rapid early warning system based on artificial intelligence. The system acquires drainage volume data and various physiological indexes in real time; according to the difference between the current patient and the preset similar historical patient in terms of drainage volume data change, and the current patient's drainage volume data change, the drainage abnormality degree is determined to determine the drainage abnormal period; according to the length of the current patient's current time in the drainage abnormal period, the change of the drainage abnormality degree in the drainage abnormal period, and the abnormal situation of the physiological indexes, as well as the occurrence of the current patient's drainage abnormal period up to the current time, the overall abnormal situation of the physiological indexes, and the change of the adjacent drainage abnormal period interval length, the warning degree is obtained to warn the current patient's current time of the drainage sudden increase abnormality. The present application accurately warns the current patient's drainage sudden increase abnormality, effectively reducing the harm of drainage abnormality.

The present application relates to a drainage treatment device, a drainage treatment method thereof, and an air conditioner. The drainage treatment device includes a housing having a water receiving base and a first recess and a second recess. The bottom walls of the first recess and the second recess are respectively provided with a first drain port and a second drain port, and a blocking portion is provided at the first drain port. A mobile platform has a first surface. In an initial state, the first surface is flush with the surface of the water receiving base. In a cooling state, when the liquid is greater than or equal to the drainage volume of the second drain port, the liquid accumulates in the water receiving base, causing the mobile platform to move. The first surface and the first recess enclose a buffer space. When the liquid is less than the drainage volume of the second drain port, as the accumulation of liquid in the water receiving base decreases, the mobile platform moves in a direction away from the first drain port until it returns to its initial state. The drainage treatment device, the drainage treatment method thereof, and the air conditioner can provide a buffer space for the liquid while preventing the liquid from accumulating inside and preventing blockage.

The invention discloses a drainage control method and device, electronic equipment and a storage medium, and relates to the technical field of household appliances. The method comprises the steps that the current drainage interval and the current to-be-drained water amount of washing equipment are determined; if the current drainage interval is not the last drainage interval, a drainage strategy of the current drainage interval is determined according to the drainage threshold of the current drainage interval, the drainage threshold of the next drainage interval and the current to-be-drained amount, and the drainage strategy is used for indicating whether drainage is conducted in the current drainage interval or not; and controlling the washing equipment based on the drainage strategy. According to the technical scheme, by determining whether drainage is conducted in the current drainage interval or not, opening and closing of the drainage pump are reasonably planned, the problem of drainage noise caused by too low drainage amount due to the fact that the drainage pump of the washing equipment is normally opened is solved, and therefore the use experience of a user is improved.

This invention discloses a method, electronic equipment, and medium for deploying drainage wells in a gas reservoir. Belonging to the field of oil and gas extraction technology, the method includes determining the reservoir water intrusion pattern and channels, calculating the cumulative water intrusion volume, and calculating the daily water intrusion volume based on the cumulative water intrusion volume. Based on the daily water intrusion volume, the total drainage volume of the gas reservoir is determined, and the total drainage volume of existing wells is determined accordingly. The gap drainage volume is determined based on the total drainage volume of the gas reservoir and the total drainage volume of existing wells; the gap drainage volume is the drainage volume of new wells that need to be deployed to supplement the existing drainage volume; the well type, drainage volume, and number of new wells are determined according to the required drainage volume; and the well trajectory orientation, plane position, vertical position, and length of the new wells are set. This method enables new wells to work collaboratively with existing wells, effectively improving the utilization rate of gas reservoir reserves, reducing abandonment pressure, and ultimately significantly improving the gas reservoir recovery rate, allowing gas reservoir development to maintain a highly efficient and stable state for a longer period.

The application relates to the technical field of metering, and discloses a metering device, an eye drainage device and a method, which comprise a metering main body, a first cavity and a second cavity are arranged in the metering main body, the first cavity is provided with a drainage inlet, the first cavity and the second cavity are communicated through a communicating pipe, the communicating pipe comprises a rigid section and a hose section, the rigid section is communicated with the first cavity, the hose section is communicated with the second cavity, a piston block and a peristaltic driving unit are further arranged, the piston block is movably arranged in the rigid section, the hose section is arranged in the peristaltic driving unit, the first cavity is filled with a first medium, the second cavity is filled with a second medium, the peristaltic driving unit can drive the second medium in the hose section to be conveyed so as to move the piston block, the piston block drives the second medium to flow so as to drain the drainage inlet, and the second cavity is provided with a metering scale for metering. Through the above scheme, the problem that the drainage speed and the drainage volume are not accurately controlled in the drainage process in the prior art is solved.

The invention relates to the field of negative pressure drainage, in particular to a negative pressure drainage health monitoring and adjusting system which comprises the following steps: establishing a pipe network system, acquiring initial data, calculating a pressure difference curve of two adjacent intelligent controllers on the same pipeline as a health difference curve, and setting deviation range data as a second threshold value; during operation, real-time pressure data are obtained through the intelligent controllers, and an alarm is given when the pressure data exceed a first threshold value; alarming when the real-time pressure difference value curve exceeds a second threshold value; and when an alarm occurs, the control platform marks the corresponding intelligent controller and / or the main pipeline of the two adjacent intelligent controllers, and performs adjustment. By arranging the intelligent controller on the main pipeline, the drainage system can be monitored and dynamically controlled in real time, and the negative pressure capacity of the negative pressure station can be adjusted in time according to different water discharge amounts, so that the power consumption of the negative pressure pump is fully utilized, and the situation that the power consumption is too large or insufficient is avoided.

To enable the acquisition of drainage construction methods that correspond to the drainage targets in the field. [Solution] The information processing device includes an acquisition means for acquiring target drainage volume, target drainage time, rainfall per unit time, and field images per unit time in a field where drainage work is to be carried out, and an estimation means for inputting the target drainage volume, target drainage time, rainfall per unit time, and field images per unit time acquired by the acquisition means as first input data to a trained model which has been trained to output drainage work information that can be carried out with the drainage target based on input data including the drainage target of the field, and performing estimation, and outputting drainage work information corresponding to the obtained first input data.

The utility model discloses a double-filtration anti-blocking floor drain drainage device which comprises a floor drain base, a drainage panel and an anti-blocking filter screen body. A drainage chamber is concavely arranged in the middle of the floor drain base, and an upper limiting groove is formed in the top extension edge of the drainage chamber; a lower limiting groove is formed in the bottom of the lower water chamber; a drainage opening is formed in the center of the bottom of the drainage cavity; an edge part, a peripheral rotational flow part and a central rotational flow part are sequentially arranged on the anti-blocking filter screen body from the periphery to the center; the central rotational flow part is sunken in the peripheral rotational flow part to form a rapid water guide and drainage area, the central rotational flow part is provided with a first filter hole, the peripheral rotational flow part is provided with a second filter hole, and the first filter hole and the second filter hole are consistent in rotation direction. According to the floor drain drainage device, the floor drain net can be prevented from being washed away, meanwhile, the drainage amount is increased, the blocking probability of the floor drain net is reduced, the use comfort of the floor drain drainage device is fundamentally improved, the service life of the floor drain drainage device is fundamentally prolonged, and the service life of the floor drain drainage device can exceed 10 years through the design.

This invention relates to the field of intelligent flood control and drainage early warning technology for urban areas, and discloses an intelligent flood control and drainage early warning method for urban areas. This flood control early warning system integrates precipitation monitoring, drainage well rated drainage capacity assessment, accurate detection of wellhead water flow velocity, and image recognition technology. By acquiring real-time precipitation and drainage well rated data, and combining multiple water flow velocity detectors to perform detailed analysis of wellhead water flow distribution, the system also utilizes cameras and image recognition to determine the wellhead condition. Based on changes in drainage volume and wellhead conditions, the system flexibly responds to complex situations such as a sharp drop in drainage volume accompanied by foreign objects, a rise in stable water levels reaching the rated capacity, and a rise in stable water levels below the rated capacity, formulating and executing corresponding early warning strategies. Furthermore, the system can quickly locate and notify personnel within a 1-kilometer radius, instantly transmitting flood information via SMS to ensure that those affected by flooding are informed of the situation immediately, effectively improving flood control efficiency and safety.

This utility model discloses a multifunctional portable bag for drainage bottles applicable to multiple scenarios, belonging to the field of medical auxiliary products technology. It includes a bag body, a detachable shoulder strap, and a smart base. The bag body has an open top, with the drainage bottle placed inside. Hooks are located on both sides of the open top of the bag body, and the two ends of the shoulder strap are fixed to the hooks. The smart base is located on the inner bottom surface of the bag body, and a monitoring unit is located at the center of its upper surface. An indicator light is also located on the bag body. The monitoring unit includes a timer, a weight sensor, and a control terminal. The timer and weight sensor transmit data to the control terminal, which determines the drainage volume per unit time based on the acquired data and instructs the indicator light to monitor its operation according to the drainage volume. This utility model achieves the function of monitoring drainage fluid, ensuring that patients can promptly monitor their physical condition and change the drainage fluid in a timely manner.

The invention relates to the technical field of medical data management, and particularly discloses a wound compression data analysis system used after thyroid surgery, which is used for solving the problem of accurate control of wound compression, cooling intensity and decompression after thyroid surgery, and comprises a base, a camera is arranged on the base and is connected with a control mainboard, an image analysis module is arranged on the control mainboard, and the camera is connected with the control mainboard. The image analysis module quantifies the healing state through the healing area, the wound edge shrinkage degree and the wound redness and swelling degree, the pressure monitoring mechanism obtains the drainage amount in the drainage hole, and the dynamic adjustment module is further connected with a comprehensive analysis module. The dynamic adjustment module dynamically adjusts the decompression adjustment amount and the refrigerating capacity according to the healing state of the postoperative wound, hydrops and blood outflow information and swallowing action information, and the comprehensive analysis module performs data analysis according to the dynamic adjustment module; according to the invention, wound area, edge regularity and redness and swelling information are collected through the camera, and pressure reduction and refrigeration are dynamically adjusted in combination with swallowing, drainage and pressure data.

The present application relates to the technical field of river basin management, and discloses a sewage system management and scheduling method for river basin management, comprising the following steps: predicting tides and dividing tide phase intervals; calculating tide phase-dependent pollutant capacity; predicting rainfall and calculating pollutant flux; calculating tide phase-dependent emptying rate; predicting volume occupation and judging the sufficiency of drainage volume; optimizing time sequence coupling volume division; generating scheduling instructions; correcting real-time data and updating scheduling. The present application solves the problem that the tidal river basin cannot effectively balance water quality protection and waterlogging prevention in the regulation and storage pool, and realizes the collaborative optimization of dual-function volume division and discharge scheduling of the regulation and storage pool.

The utility model relates to a device for monitoring discharged liquid EC, pH and liquid discharge amount of elevated substrate cultivation. Comprising a cultivation support, the cultivation support is provided with a plurality of substrate grooves with the bottoms communicated, and a liquid filling mechanism and a liquid discharging mechanism are arranged on the two sides of the cultivation support at intervals; the liquid filling mechanism comprises an irrigation barrel, a first EC detection probe, a first pH detection probe and a first water level measurement probe are arranged in the irrigation barrel, a discharge port of the irrigation barrel is communicated with a liquid filling pipe, one end of the liquid filling pipe extends upwards to be fixed to the top of the cultivation support, a water pump and a plurality of spraying heads corresponding to the matrix grooves are arranged on the liquid filling pipe, and adjusting valves are arranged on the spraying heads; the liquid discharging mechanism comprises a liquid discharging and collecting barrel, a second EC detection probe, a second pH detection probe and a second water level measurement probe are arranged in the liquid discharging and collecting barrel, the liquid discharging and collecting barrel is communicated with a liquid discharging opening of the matrix groove through a liquid discharging pipe, and a valve is arranged on the liquid discharging pipe; the problems that the measured EC and pH values are only one-time liquid drainage values, fluctuation is large, representativeness is poor, and the liquid drainage amount of the day cannot be effectively monitored are solved.

The invention provides a method and a system for predicting drainage and water supplement amount of a circulating water cooling system. The method comprises the following steps: S1, collecting circulating water tank water level data and conductivity data in a circulating water tank; s2, calculating based on the conductivity data to obtain a concentration ratio; s3, executing a corresponding water replenishing strategy according to the concentration ratio, and sending a corresponding control signal to an electric water replenishing valve after calculating the water replenishing amount; a corresponding drainage strategy is executed according to the concentration ratio, and a corresponding control signal is sent to an electric drainage valve after the drainage amount is calculated; and S4, based on the change condition of the concentration ratio in the circulating water tank after the completion of the last time of water drainage or water supplement, according to the increasing rate of the concentration ratio, calculating the time for the concentration ratio to reach the set values of water drainage and water supplement, calculating predicted water drainage and water supplement amounts, and giving specific water drainage and water supplement time and water drainage and water supplement amount data. According to the method, the water supplementing and discharging amount is predicted, and scheduling of water using and water discharging is facilitated.

The invention relates to the technical field of medical instruments, and discloses an abdominal cavity puncture drainage device with adjustable drainage volume, which comprises a main body assembly and a drainage tube, a communication shell is fixed at the end part of the drainage tube, a drainage outer bottle is fixed at the bottom of the communication shell, and a drainage inner bottle slides in the drainage outer bottle. The medical drainage device has the advantages that the communicating shell is provided with the valve part capable of being adjusted in multiple gears, the monitoring part is arranged, medical staff can preliminarily adjust the drainage speed through preset gears, meanwhile, the real-time flow speed is visually obtained through a pointer, whether the flow speed is matched with the gears or not is accurately judged, and compared with a traditional single manual valve, the medical drainage device is more convenient to use. The accuracy of flow control is remarkably improved, complications caused by improper flow velocity are avoided, and the treatment safety is guaranteed.

The present invention provides a simplified design method and system for the water head distribution of a drainage blind ditch grid. The method first preliminarily designs the drainage blind ditch unit size, then determines the basic calculation parameters and calculates the drainage volume, and finally calculates the water head distribution within each unit. The beneficial effect of the present invention is that the current design and calculation process of drainage blind ditches basically uses finite element software to simulate and calculate their precipitation effects. This method is not simple and fast enough when making a preliminary rough estimate of the blind ditch's pressure reduction effect. The present invention proposes a simplified design method for drainage blind ditch networks, which greatly improves the efficiency of the preliminary design stage, shortens the calculation time, reduces the investment in labor costs, and provides a quick and reasonable reference for drainage blind ditch network design.

The utility model discloses a water seal floor drain with a double-siphon structure, and relates to the technical field of drainage facilities. Comprising a floor drain body and a water seal cover, and a tubular drainage cavity is formed in the floor drain body; the opening of the water seal cover is downward, the water seal cover is buckled above the drainage cavity, and a water seal is formed between the floor drain body and the drainage cavity; a circle of first step and a circle of second step are arranged on the inner wall of the drainage cavity in the circumferential direction; the second step is located at the bottom of the drainage cavity; the first step is located above the second step, and a cylindrical siphon column is arranged on the inner side of the water seal cover; a circle of concave platform structure is arranged on the outer wall of the siphon column; the concave platform structure is positioned above the first step; according to the utility model, the problem that the water discharge amount is limited when the floor drain is connected with a drain pipe with a larger pipe diameter is solved; and compatibility with a drainage pipe with the outer diameter of 40-50 mm can be achieved, and practicability is higher.