16 results about "Drainage rate" patented technology

The invention discloses a membrane bag sand levee slope settlement prediction method and system based on a neural network, and belongs to the technical field of prediction systems.The method comprises the steps that construction parameters, foundation monitoring data and geological exploration data of a membrane bag sand levee slope are obtained; performing feature fusion by analyzing correlation between the construction parameters and the compression amount of each foundation soil layer in the time dimension and between the foundation monitoring data and the compression amount of each foundation soil layer to obtain fusion time sequence features; and on the basis of the geological exploration data, using a settlement prediction model and fusion time sequence characteristics, predicting each compression amount by analyzing the pore drainage rate of each foundation soil layer, outputting a settlement prediction result of the membrane bag sand bank slope, identifying the settlement abnormal risk of the membrane bag sand bank slope, and outputting the settlement risk grade of a preset construction point. Therefore, by implementing the method and the device, the problem that the predicted total settlement amount of the film bag sand bank slope is not accurate enough due to the fact that the influence of the bank slope foundation structure on the settlement amount in the construction process is not completely considered in the prior art can be solved.

The application discloses a membrane-shaped structure with good anti-seepage effect and a construction method, and belongs to the technical field of anti-seepage of building engineering. The membrane-shaped structure with good anti-seepage effect is characterized in that a plurality of strip-shaped protrusions are arranged on the anti-seepage material, the plurality of strip-shaped protrusions protrude from the plane of the membrane-shaped material, and a plurality of drainage recess structures capable of limiting water or / and air and allowing water or / and air to flow are formed, so that the drainage rate and the air permeability effect can be effectively improved, rapid drainage or / and air ventilation is facilitated, the drainage or / and air ventilation effect is good, the structure is simple, practical, easy to construct, high in construction efficiency, and capable of accelerating water flow and enhancing the drainage effect, thereby effectively reducing water residue on the construction surface and avoiding environmental dampness; meanwhile, the structural strength of the membrane-shaped material can be effectively enhanced, the compression resistance and the top breaking resistance of the membrane-shaped material are improved, the rupture of the membrane-shaped material is effectively avoided, and the tensile resistance effect is good.

The utility model discloses a rainwater module side pressing structure which comprises a side pressing supporting unit, a side pressing supporting unit, a side pressing supporting unit and a side pressing supporting unit, the side pressing supporting unit comprises a side pressing frame, a plurality of transverse reinforcing ribs and a plurality of vertical reinforcing ribs, and the side pressing frame is divided into a plurality of rectangular compartments through the transverse reinforcing ribs and the vertical reinforcing ribs; the adjusting drainage unit comprises a main drainage cylinder embedded in the center of the lower portion of the side pressure frame and a fixed disc fixedly installed in the main drainage cylinder, a rotating disc is further rotationally connected in the main drainage cylinder in a sealed mode and abuts against the fixed disc in a sealed mode, and a rotating rod is fixedly connected to the position, close to the center of the rotating disc, of the fixed disc; the rotating disc is fixedly arranged on the rotating rod in a sleeving mode, and the fixed disc and the rotating disc are each provided with a plurality of sets of evenly-distributed water drainage openings. The drainage rate of the side pressure structure can be correspondingly adjusted according to the actual rainfall, and the defect that the personal safety of urban residents is threatened due to urban flood disasters caused by the fact that rainwater is difficult to drain in time is effectively overcome.

The invention relates to the technical field of municipal engineering and water resource management, in particular to an integrated sponge city water storage and drainage system collaborative scheduling method, which comprises the steps of acquiring multi-source heterogeneous sensing data and extracting a state difference vector, constructing a dynamic response feature combination, judging facility regulation and control attributes, and revising output parameters to generate a scheduling instruction. And the matching control channel issues tasks, and evaluates system scheduling performance in combination with a response process. Structural aggregation is completed by extracting state difference vectors of various facilities and judging the change direction, main and auxiliary attributes are divided in combination with response characteristics, control output is dynamically revised according to the storage and drainage rate and the water level deviation, a control channel is matched to issue a scheduling instruction, and multi-facility linkage response is carried out in a unified rhythm. The regulation adaptability is evaluated in combination with the scheduling holding time and the state deviation, and regulation actions among facilities are promoted to be coordinated, the water level regulation rhythm is consistent, and the water resource distribution process is coordinated in a rapid change scene of the rain condition.

This invention discloses a method for determining the layout area of ​​gas drainage boreholes for layered mining of extra-thick coal seams, belonging to the field of coal mine gas control technology. The method includes: S1, obtaining overburden subsidence, penetration, porosity, fracture rate, fracture entropy, and fractal dimension through physical similarity simulation experiments, and determining the secondary evolution region and state of the overburden fracture field based on parameter mutations and thresholds; S2, establishing a rock fracture mechanics model based on the secondary evolution region, and calculating the vertical upper and lower interfaces for gas drainage through slippage instability and rotation instability conditions; S3, determining the layout area and parameters of the gas drainage boreholes by combining the lateral distribution of the secondary evolution region and the vertical drainage interface. This invention proposes the concept of secondary evolution region and a systematic discrimination method, achieving three-dimensional precise positioning of the drainage area, significantly improving gas drainage efficiency and mining safety. After application to the (9-15)08 working face of the Sulfur Gully Coal Mine in Xinjiang, the gas drainage rate reached 79%.

The application relates to a soft soil vibration drainage device with frequency conversion control and spiral opening blades, relates to the technical field of soft soil testing and foundation treatment, and comprises a rack assembly, a drainage assembly and a vibration assembly, the rack assembly comprises a rectangular frame and a top rack fixedly connected to the upper surface of the rectangular frame. The application is provided with the rack assembly, the electric push rod, the outer cylinder, the spiral blade, the drainage hole and the strip hole structure. In operation, the electric push rod drives the connecting plate and the connecting column to move downward, so that the outer cylinder and the spiral blade synchronously enter the soft soil layer. In the process that the spiral blade rotates and extrudes the soil body, the drainage hole can directly release the pore water pressure accumulated around the blade. The strip hole cooperates with the hollow rotating rod to form a through water inlet channel, cooperates with the limiting effect of the outer cylinder, and enables the internal water of the soil body to quickly gather and enter the drainage channel. The application fundamentally solves the problems that the traditional vibration drainage device is easy to form a high-pressure closed area and the drainage is not smooth, and significantly improves the soft soil drainage rate and the consolidation efficiency.

The present application belongs to the technical field of washing machines, and discloses a control method of a washing machine, which comprises an inner drum for independently containing water, a water drainage device for blocking the inner drum or opening the inner drum to drain water, and a water collecting device arranged at the bottom of the inner drum, wherein a water level detection device is arranged in the water collecting device; the control method comprises the following steps: S1, the washing machine receives a water drainage instruction; S2, the water drainage device performs a pre-drainage process of opening and closing; S3, the water drainage device is opened again and performs water drainage; and S4, the water drainage of the water drainage device is controlled according to the detection result of the water level detection device. In the water drainage stage, the water drainage device first performs the pre-drainage process of opening and closing, and the closing of the water drainage device in the pre-drainage process is not controlled by the detection result of the water level detection device, so that the phenomenon of overflow of the water collecting device caused by the high water level of the inner drum, the fast water drainage rate and the untimely feedback of the detection result is avoided.

The utility model relates to the technical field of urban drainage system design, in particular to a drainage channel capable of intercepting sewage. The drainage channel comprises a channel box body, a flow adjusting mechanism is arranged in the channel box body and comprises an adjusting floating block and a water passing plate, a plurality of water passing holes are formed in the water passing plate, and the adjusting floating block is connected with the channel box body in a sliding mode. The adjusting floating block is used for abutting against the surface of the water passing plate and blocking part of the water passing holes. The drainage speed of the drainage channel can be flexibly adjusted according to actual drainage requirements, and the using effect of the drainage channel is improved.

The invention discloses a basement drainage and monitoring integrated system, and belongs to the technical field of drainage and monitoring, the basement drainage and monitoring integrated system comprises an installation protection box, the top of the installation protection box is detachably provided with an installation frame, and the installation frame is internally provided with a diversion drainage assembly. According to the invention, by arranging the shunting drainage assembly, when the flow velocity of water flow is increased, a movable adjusting plate automatically moves downwards under the action of water pressure, an opening of a through groove is expanded, the drainage rate is dynamically improved, different flow requirements are met, and meanwhile, the movable adjusting plate drives an overturning closing plate to overturn through a driving rack and a transmission gear, so that accumulated water smoothly flows into the combiner box; the drainage efficiency is improved, the drainage speed of the drainage device is automatically controlled according to the water flow speed and flow, after drainage is finished, the movable adjusting plate and the turnover closing plate are reset, the drainage structure is in a relatively closed state, peculiar smell in a drainage pipeline is prevented from escaping, and it is guaranteed that the environment of a basement is relatively clean and tidy.

The invention relates to the technical field of drainage, in particular to a safety-based accumulated water urgent drainage well lid which comprises a conveying assembly and a rotating assembly, the conveying assembly comprises a supporting plate, a bent pipe, a first elastic part and a bearing plate, and the rotating assembly comprises a rotating shaft, a tray, a gear set, a moving rod and fan blades. In conventional rainstorm, accumulated water forms a vortex through the drainage channel to drive the fan blades to rotate, the movable rod pushes the bearing plate to slide down through gear transmission, and the bent pipe is opened to form siphon to accelerate drainage; when accumulated water is insufficient, the push block is clamped into the bearing plate limiting groove, the moving rod moves upwards to discharge gas in the bent pipe, and the elastic piece is matched with water gravity to push the bearing plate away to trigger siphon. The well lid does not need to be turned over manually, potential safety hazards of the road surface are eliminated, obstruction of vortexes to drainage is broken through the siphon effect, and the drainage rate is greatly increased.

The utility model discloses a groove cavity combined type drainage device, which relates to the technical field of medical instruments and comprises a drainage tube, a guide needle, a groove cavity tube joint assembly, a drainage connecting tube, a negative pressure drainage ball and a drainage bag. The guide needle is inserted into the drainage tube, one end of the drainage tube is provided with a groove cavity tube joint assembly, and the other end of the drainage tube is provided with a plug; the upper end of the groove cavity pipe connector assembly is further connected with a drainage connecting pipe, the other end of the drainage connecting pipe is connected with the inlet end of a negative pressure drainage ball, and the outlet end of the negative pressure drainage ball is connected with a drainage bag. According to the structure, the guide needle can be prevented from penetrating out of the catheter to puncture human organs, injection of liquid medicine or flushing liquid is facilitated, the liquid medicine or flushing liquid is not prone to being blocked by the human tissues and organs, and therefore the drainage rate can be improved.

The invention relates to the technical field of ascites drainage, and provides a digestive system department ascites drainage device which comprises a shell and a separation baffle vertically and fixedly connected to the inner bottom wall of the shell, and the interior of the shell is divided into a cavity liquid storage bin and an air exhaust bin through the separation baffle; two vertical guide grooves are fixedly formed in the side wall of the shell, and a rolling wheel is arranged between the two guide grooves in a sliding mode. A drainage tube is fixedly arranged on the side wall of the shell; an air exhaust sliding block slides in the air exhaust bin, the upper wall of the air exhaust sliding block is fixedly connected with a guide block, and the guide block and the rolling wheels are arranged in a transmission mode; a one-way exhaust valve is fixedly arranged on the upper wall of the shell. The extrusion degree of the drainage tube is changed by rolling the roller, so that the drainage rate is adjusted; when the roller rolls, the air exhaust sliding block is driven to move, air in the device is exhausted through the one-way exhaust valve, negative pressure is formed, and power is provided for ascites drainage; after drainage is completed, the device is inverted, ascites is discharged through the one-way exhaust valve, the air exhaust sliding block falls down, and ascites emptying can be assisted.

The invention discloses a method and system for evaluating the implementation effect of a foam drainage process, and the method comprises the steps: obtaining the drainage rate representing the drainage effect characteristics of the foam drainage process according to the real-time production data of a target well, and obtaining the pressure difference of an oil sleeve before foam drainage; based on the oil jacket pressure difference and the liquid drainage rate before foam drainage, the evaluation effect of the current foam drainage process is obtained through the foam drainage effect evaluation model. According to the invention, automatic online evaluation of the drainage and mining effect based on PCS data is realized, fine management is supported, the automation degree is high, the reliability is good, and the development of an intelligent foam drainage technology is promoted.

This utility model relates to the field of aquarium technology, specifically to an adjustable flow siphon pipe and aquarium. The adjustable flow siphon pipe includes an inverted U-shaped pipe and a flow screw for adjusting the diameter and area of ​​the siphon drain. The flow screw is threadedly connected to the inverted U-shaped pipe, with one end inside the U-shaped pipe and the other end outside. This utility model effectively reduces the space occupied by the pipe by combining the safety overflow pipe and the inverted U-shaped pipe. Simultaneously, it innovatively adds an adjustable flow screw structure, allowing the inverted U-shaped pipe to flexibly adjust the drainage rate according to the constant flow characteristics of the fixed-frequency water pump. This solves the problems of unstable siphoning, debris impact, or insufficient drainage caused by water pump pressure fluctuations in traditional fixed-diameter siphon pipes, achieving the dual goals of space optimization and improved adaptability while ensuring filtration efficiency.

The invention discloses a dynamic regulation and control system and method for soil moisture of a sports lawn based on active wicking, and relates to the technical field of sports field engineering. The system comprises a turf bed matrix structure, a ventilation drainage pipe network, a wicking flow guide assembly, a power ventilation device and an intelligent control system. The wicking flow guide assembly is flatly laid at the bottom of the root system layer, and the two ends of the wicking flow guide assembly extend downwards into the pipe network cavity and suspend to form a free evaporation section. The intelligent control system monitors the soil moisture content and the temperature and humidity in the pipe in real time, when the moisture content exceeds the standard, the pre-calibrated material mass transfer parameters are combined, the target wind speed in the pipe meeting the target drainage rate is inversely calculated through a built-in convective mass transfer model, the power ventilation device is driven to generate forced airflow in the pipe, and the drainage rate is increased. And continuous vapor pressure deficit and water potential gradient are maintained on the surface of the free evaporation section, so that lawn soil moisture is actively discharged in a phase change evaporation form. The limitation of gravity drainage is broken through, and precise and efficient regulation and control of the soil moisture of the sports lawn are achieved.

The invention discloses a performance test method for a soft soil foundation, belongs to the technical field of indoor soil tests, and aims to solve the problem that the drainage rate and the reinforcement effect cannot be measured at the same time in the prior art. The method comprises the steps that a loading unit is started, the loading unit applies and keeps loading force to a sample, and a displacement sensor collects displacement of the upper surface of the sample; calculating the consolidation settlement rate according to the displacement and displacement time of the upper surface of the sample, and calculating the drainage rate according to the drainage amount and drainage time; increasing the loading force of the loading unit, and carrying out graded loading on the sample until the sand cushion layer is damaged; the consolidation settlement rate and the drainage rate corresponding to each stage and the final bearing capacity of the sample are obtained; and calculating the average consolidation settlement rate and the average drainage rate according to the loading stage number, the consolidation settlement rate corresponding to each stage and the drainage rate corresponding to each stage. The device can be used for the performance test of the soft soil foundation.