2141 results about "Water pumping" patented technology

The invention discloses a multi-channel high-precision water level dynamic real-time monitoring system for a drilling water pumping test, and the system comprises a sensing layer which is used for deploying a multi-source sensor array, inhibiting interference through distributed layout and electromagnetic shielding, collecting multi-dimensional data in real time, and carrying out the preliminary filtering; according to the transmission layer, an optical fiber and twisted pair redundant network is constructed, an EtherCAT protocol is adopted for low-delay transmission, AES-128 encryption tampering prevention is integrated, and edge nodes compress data and verify integrity; the processing layer is used for carrying out real-time preprocessing on edge calculation and switching a standby sensor in abnormal detection; the cloud end predicts the water level trend through Spark Streaming analysis and an LSTM model, distinguishes interference through a random forest algorithm, and outputs calibration data and an analysis report; the application layer is used for constructing a three-dimensional drilling model based on Unity, dynamically displaying water level changes, synchronizing a multi-parameter curve and supporting historical backtracking; the early warning module notifies abnormity through sound and light and short messages, the decision module generates a report and supports multi-drill-hole comparison, and the test strategy is optimized.

The invention relates to a pumped storage and compressed air energy storage coupled scheduling method, which comprises the following steps of: establishing a multi-stage data system based on input data of multiple time scales; constructing a multi-time scale scheduling model; when the load of the pumped storage mixed compressed air energy storage power station is lower than a first preset threshold value, electricity is abandoned preferentially, water pumping and compression are conducted, and when the load is larger than a second preset threshold value, the pumped storage mixed compressed air energy storage power station is controlled to conduct combined energy release. The nonlinear relation between the pumped storage efficiency and the water level and the nonlinear relation between the compressed air energy storage power and the pressure are converted into linear constraints, solving is conducted by dividing the water level interval and the pressure level, and a scheduling strategy is obtained. Therefore, the problems of relatively low energy storage efficiency, insufficient scheduling refinement, relatively high system standby cost and the like caused by the problems that pumped storage water scheduling and CAES energy management are separated, a standby capacity coordination mechanism is lacked and the like in a hybrid system scheduling method in related technologies are solved.

The invention discloses an integrated intelligent management and control method and system for underground water pumping and injection based on the Internet of Things, and the method comprises the steps: carrying out the geological investigation of a target region, constructing a three-dimensional geological model, and planning the layout of a pumping and injection well group and a sensor network according to the three-dimensional geological model; deploying a monitoring network and collecting data based on the layout scheme, and fusing a three-dimensional geologic model to construct a polluted site digital twinborn body; groundwater situation data are extracted through the digital twinborn body, a pollutant migration path and a water level dynamic state are predicted by using an LSTM model, and pollution scene simulation information corrected by geologic features is output; by taking the simulation information as input and coupling geological parameters as constraints, generating a pumping and injection well group cooperative control strategy set by adopting a BLMFO double-layer multi-objective optimization algorithm; and finally, a control instruction is executed, the real-time situation is monitored in the repairing process, strategy change suggestions including the flow adjustment amplitude, the agent optimization scheme and equipment operation parameter correction are judged and pushed, the repairing efficiency is improved, and the method adapts to the complex geological environment.

The utility model discloses a lightning arrester electrical performance test tool, which relates to the field of lightning arresters and comprises a device body, a transmission plate is slidably connected in the device body, a cover plate is connected to the outer surface of the transmission plate, a power connection port is installed in the cover plate, a lightning arrester body is slidably connected in the cover plate, and the lightning arrester body is connected with the power connection port. A limiting hole is formed in the device body, a supporting base is installed in the device body, a water outlet pipe is communicated with the interior of the device body, a water tank is connected to the outer surface of the device body, a water pumping pipe is communicated with the interior of the water tank, and a water spraying plate is installed in the device body. Through cooperation of the cover plate, the water spraying plate and other parts, the cover plate can move, so that the power connection port is in contact with the upper ends of the lightning arrester bodies at different heights, the water spraying plate can spray water, spraying simulation is performed on the lightning arrester bodies, and the problem that deviation exists between a rainy day and a real detection result is solved.

The invention discloses a high-bearing-capacity offshore wind power pile foundation structure and a construction method thereof. The high-bearing-capacity offshore wind power pile foundation structure comprises a suction bucket, a vertical rod installed in an inner cavity of the suction bucket and coaxially fixed to the suction bucket, a stabilizing assembly dividing the inner space of the suction bucket into a plurality of independent cavities and a leveling assembly. By arranging the stabilizing assembly and the leveling assembly, the suction bucket is divided into a plurality of independent cavities through the stabilizing assembly, differential pressure leveling is conducted in a multi-cavity independent water pumping mode in the stage of preliminary contact with the seabed, the perpendicularity of the suction bucket in contact with the seabed is guaranteed, and in the stage of downward insertion of the bucket body part, a high-pressure nozzle is started again to conduct secondary posture fine adjustment; according to the dynamic deviation correcting device, the dynamic deviation correcting capacity is achieved in different time periods in the penetration process, the dynamic deviation correcting device can adapt to uneven local hardness of a seabed or slight drifting of the posture of a barrel body in the downward insertion process, inclined insertion and penetration failure caused by posture unbalance of the suction barrel are avoided, and the vertical bearing performance and the anti-overturning stability of a pile foundation are further enhanced.

The invention provides an air conditioner air diffuser assembly, an air conditioner and a control method of the air conditioner air diffuser assembly, the air conditioner air diffuser assembly comprises an air diffuser, the air diffuser is arranged above a condenser, the air diffuser can receive condensate water, and the air diffuser is arranged above the condenser. The inner bottom of the air diffuser is provided with a first inclined plane and a second inclined plane, the first inclined plane extends towards a first horizontal direction and obliquely downwards, the second inclined plane extends towards a second horizontal direction and obliquely downwards, and the first inclined plane can guide water on the first inclined plane to one side of the condenser in the horizontal direction to be discharged; the second inclined face can guide water on the second inclined face to the other side of the condenser in the horizontal direction, and the first horizontal direction is opposite to the second horizontal direction. According to the air conditioner water fetching mechanism, condensate water can be distributed to the inner side and the outer side of the condenser, the utilization rate of the condensate water is increased, the heat exchange area of the condenser is increased, the heat dissipation and cooling effect on the condenser is improved, and the problem that water fetched by the air conditioner water fetching mechanism in the prior art cannot be fetched to the outer side of the condenser is solved.

The invention relates to the technical field of water resource scheduling, and discloses an intelligent water resource configuration and scheduling system and method, and the system comprises a data collection module which is used for collecting the related data of water resources in real time, including but not limited to the water level of a water source, the water quality, the meteorological data, the water demand of a user, and the like; the data processing and analysis module is used for cleaning and integrating the collected data by using a big data processing technology, and carrying out demand prediction and water resource supply and demand matching through an artificial intelligence algorithm; a scheduling decision module, an execution module and a feedback mechanism module. Multi-dimensional data such as water sources and weather are collected in real time, data processing and demand prediction are carried out through the artificial intelligence technology, and it is ensured that water resource scheduling can cope with rapidly-changed demand and supply conditions; through an optimization algorithm and a scheduling decision model, the water resource utilization efficiency is maximized, and the problems of excessive water pumping, resource waste and the like are avoided.

The invention belongs to the technical field of irrigation equipment, and discloses an anti-blocking water pumping pipe head device for irrigation, which is technically characterized by comprising a water pumping pipe and a protective cover, a filter plate is fixedly mounted in an inner cavity of the water pumping pipe, a central shaft is arranged below the filter plate, and a rotating assembly connected with the central shaft is arranged in the inner cavity of the water pumping pipe; an outer anti-blocking mechanism is arranged on the surface of the protective cover, the outer anti-blocking mechanism comprises a cutting assembly and a driving assembly, an inner anti-blocking mechanism matched with the filter plate is arranged in an inner cavity of the water pumping pipe, and the inner anti-blocking mechanism comprises an inner cutting blade, a supporting assembly, a swing assembly and a rolling assembly. And by arranging the cutting assembly to be matched with the driving assembly, the aquatic plants attached to the outer side of the protective cover can be efficiently and automatically smashed, the situation that the protective cover is blocked by the aquatic plants is effectively avoided, and the water pumping efficiency of the water pumping pipe is effectively improved.

The utility model relates to the technical field of food processing, and discloses a wheat grinding device with a cooling function, which comprises a grinding box, a collecting box is arranged at the bottom of the grinding box, and a feed hopper is arranged at the top of the grinding box; a water pump is arranged on the right side of the water storage tank, a water guide pipe is arranged on the right side of the water pump, a water pumping pipe is arranged on the left side of the water pump, a grinding cylinder is fixedly connected to the interior of the grinding box, a motor is fixedly connected to the top of the grinding box, and a rotating shaft is fixedly connected to the bottom of the motor; and the bottom of the rotating shaft movably penetrates into the grinding box and is fixedly connected with a grinding roller, a cooling pipe is arranged on the outer side of the grinding cylinder, and a water outlet pipe is arranged on the left side of the grinding box. According to the wheat micro-grinding device for food processing, heat on the barrel wall of the grinding barrel can be taken away, and then the quality of ground flour cannot be affected during continuous grinding.

The invention discloses an integrated monitoring and sampling method and system for red-bed groundwater, and belongs to the technical field of groundwater monitoring, and the method comprises the steps: deploying and initializing a system, collecting water level and equipment state information, calculating initial water level monitoring reference parameters in combination with a water level monitoring logic model, and obtaining real-time water level data and anti-blocking water pump structure parameters; generating an intelligent water pumping control execution sequence through a fuzzy control algorithm and a fluid dynamic model; a large-flow well washing operation path is obtained through a dynamic pressure adjusting algorithm and a water quality standard judgment model by taking the well washing flow reference parameter as a constraint and combining data of a water quality sensor; obtaining a steady-state sampling execution scheme through a double-pump linkage control algorithm and a bubble suppression model on the basis of the well washing end point parameters in combination with a small-flow sampling pressure reference and pipeline characteristics; summarizing data and generating an integrated monitoring sampling report; according to the invention, intelligentization and standardization of red layer underground water monitoring sampling are realized, and monitoring efficiency and data accuracy are improved.

The invention belongs to the technical field of mine engineering, and particularly discloses a dynamic simulation method for water inflow attenuation in the construction process of a water cut-off curtain of a strip mine. The method comprises the following steps: acquiring meteorological data according to the position of a strip mine, acquiring a hydrogeological structure in combination with drilling data, acquiring hydrogeological parameters by using a water pumping test, and acquiring a source convergence item according to water pumping and drainage; the method comprises the following steps: constructing a hydrogeological model by adopting MODFLOW-USG, constructing a mine pit drainage mathematical model and a mine pit drainage model, setting source sink items and boundary conditions, and realizing dynamic simulation based on python; a PEST calibration model is adopted, parameters are subjected to standardization processing, a random forest substitution model is constructed, SHAP values of all the parameters are analyzed and calculated and normalized to obtain global importance indexes, and the model is optimized; and evaluating the optimized model by adopting NSE, KGE and RMSEs. The method has the advantages of being high in model precision, clear in parameter physical significance and capable of being corrected with measured data in real time.

The invention relates to the technical field of foundation pit engineering construction, in particular to a foundation pit drainage optimization method and system based on water level monitoring. Comprising the steps that precipitation partitions are divided according to geological conditions and a construction scheme, and precipitation wells and observation wells are arranged; determining differentiated target water level drop depth according to the excavation depth and the support state; establishing an inter-partition hydraulic coupling model through a pulse water pumping test, and determining coupling kernel function parameters; predicting the future water level change through convolution operation based on the coupling kernel function and the historical water yield; calculating an optimal water yield sequence by adopting a rolling time domain optimization method, and taking the minimum accumulated water yield as a target and meeting the target water level drop as a constraint; controlling the operation power of the water pump and implementing cooperative compensation; coupling kernel function parameters are periodically updated to adapt to system changes. The rainfall control precision is improved, the energy consumption is reduced, and the construction safety is guaranteed.

The invention provides a digital twinning-based hillock aquifer well group collaborative precipitation simulation method and system, and relates to the technical field of digital twinning, and the method comprises the steps: constructing an aquifer digital twinning model, carrying out virtual precipitation deduction, obtaining a water level spatio-temporal evolution field, and recognizing a hydraulic coupling region. And according to the water level gradient distribution and the flow field deflection direction, the well group water pumping intensity is cooperatively regulated and controlled, and the optimal water pumping scheme is determined. The well group dewatering efficiency can be effectively improved, the overall water level of the aquifer is evenly lowered, and the engineering cost is reduced.

This invention discloses a wind-solar-storage multi-energy complementary water lifting and rainwater harvesting coordinated irrigation system, relating to the field of intelligent irrigation. The system includes: a power unit, a rainwater harvesting unit, a water lifting unit, sprinkler irrigation equipment, and a drone formation. The drone formation is used to fly carrying the sprinkler heads and water pipes of the sprinkler equipment under the control of the control system, and to adjust the sprinkler head's spray position under the control of the control system, and to maintain a safe distance between the water pipes in the sprinkler equipment and ground obstacles under the control of the control system. This invention can realize intelligent and low-cost irrigation for citrus planting in hillside areas.

The invention relates to the technical field of underwater monitoring equipment, in particular to an underwater sensor data acquisition device with a self-cleaning function and a method thereof.The underwater sensor data acquisition device comprises a storage plate used for installing a plurality of sensors, a cleaning box arranged on the storage plate in a sleeving mode and a water storage tank used for supplementing water to the inner space of the cleaning box; storage barrels are arranged on a center shaft of the top face of the storage plate at intervals, the bottom faces of the storage barrels are sleeved with a plurality of sensors, a lifting barrel arranged on the storage barrels in a sleeving mode is fixedly arranged on a center shaft of the top of the cleaning box, and a water suction pump is installed on the outer wall of the lifting barrel. By means of a sleeving structure of the lifting cylinder and the storage cylinder and a water suction pump, clear water is sucked into the lifting channel and pumped into the lifting channel, the storage cylinder and the storage plate are driven to ascend and descend, and when underwater monitoring needs to be carried out, a sensor can be lowered to the outside of the cleaning box; and when the monitoring period reaches the requirement for cleaning, the sensor can be lifted into the cleaning box for cleaning, so that good conditions are provided for working and cleaning of the sensor.

The application relates to the technical field of calculation simulation of ship hull propulsion research, in particular to a simulation model convenient for hydrodynamic calculation of a full-rotation double-propeller ship, which comprises a plurality of groups of water pressure sensors arranged on the circular arc outer wall of a detection column and facing openings, a drainage long groove arranged on the circular arc outer wall of the detection column and located at the openings, a water inlet pipe of an external water pump assembly arranged in the detection column, and a lifting port arranged at one end of the water inlet pipe and capable of sliding along the drainage long groove to adjust the height, wherein the beneficial effects are that the water flow direction and flow rate in the pool model are accurately controlled through water pumping and high-pressure water inflow in the symmetrical direction, the data detection range of the test is improved, the simulation equipment provided with the water pressure sensors and the displacement sensors is arranged, so that the data in the test process can be conveniently collected, the position of the simulation small ship can be accurately collected through the coordinates established by the transparent grid plates, and the test accuracy is greatly improved.

The invention belongs to the technical field of geothermal energy development and utilization, and particularly relates to efficient extraction equipment for a deep geothermal exploitation well, which comprises a plurality of water pumping devices, the plurality of water pumping devices are sequentially communicated in series through a plurality of extension pipe fittings, and the water pumping device close to a wellhead is fixedly connected with a steel wire rope on hoisting equipment; the water pumping device comprises a water pumping mechanism, a well cementation assembly and a guide mechanism, the outer wall of the water pumping mechanism is sleeved with the well cementation assembly, the well cementation assembly is used for making friction contact with the well wall so as to keep the working position of the water pumping mechanism in a well, and the guide mechanism is arranged at the bottom end of the water pumping mechanism and used for guiding the water pumping mechanism to work. And the guide mechanism is used for smoothly lowering the water pumping mechanism into the well and keeping the water pumping mechanism coaxial with the well body. It is guaranteed that the water pumping mechanism is stably fixed in a well, smoothly lowered to the bottom of the well and always coaxially positioned with the well body, and the stability of extraction operation is improved.

The invention relates to a water surface floating type flying water pump system for large-flow long-time operation, and belongs to the technical field of special operation unmanned aerial vehicles and fluid conveying. The system integrates a multi-rotor flying platform, a buoyancy stabilizing device, a large-flow water pump module, a high-strength flexible water conveying pipeline and an intelligent control system. The core of the system is that the system can land on an open water surface, stable floating is achieved through the buoyancy stabilizing device, and a water inlet of the water pump module is submerged into water to directly pump water. By means of the floating water taking mode, the flying platform does not need to hover during operation, energy consumption is greatly reduced, ultra-long operation time is achieved, the limitation of the liquid carrying amount of the unmanned aerial vehicle is broken through, and continuous high-flow water pumping can be conducted through a high-power water pump. The system supports independent operation of a single device or networking collaborative operation of multiple devices, dynamically distributes water supply tasks, can be used as an aerial extension arm of a ground fire fighting truck, and is mainly applied to emergency rescue scenes such as high-rise building fire fighting and forest fire fighting.

The invention relates to an operation method of a water pumping and compressed air energy storage system, which comprises the following steps: after the water pumping and compressed air energy storage system is constructed, gas is filled into an upper water-gas co-containing cabin; in the energy storage process, the water pump and the compressor unit are controlled to work at the same time so as to pump water in the lower water-air co-containing cabin into the upper water-air co-containing cabin, and meanwhile, the compressor unit is controlled to press air into the lower water-air co-containing cabin; and in the energy releasing process, the water turbine and the expansion unit are controlled to work at the same time, so that water in the upper water-gas co-containing cabin flows into the lower water-gas co-containing cabin through the water turbine, and meanwhile air in the lower water-gas co-containing cabin generates power through the expansion unit. Therefore, the problems that the pumped storage unit and the compressed air energy storage unit are different in response speed, energy conversion path, operation constraint and the like, an existing scheduling method is difficult to achieve efficient cooperation of the pumped storage unit and the compressed air energy storage unit, the overall operation efficiency of the system is not high, and the advantages of hybrid energy storage are difficult to play are solved.

The invention relates to the technical field of water supply and drainage robots, and discloses a submersible type multifunctional water supply and drainage robot which comprises a robot body and an auxiliary operation unit. Two groups of water pumps are arranged in the main body, and multiple groups of drainage through holes are formed in two sides and the bottom of the main body and are communicated with the water pumping cavity to form a low-resistance multidirectional water taking and drainage channel; a scanning sonar, a single beam, an electronic compass, a tilt angle sensor, a harmful gas detection sensor, a camera, a lighting lamp and the like are arranged, the system cooperates with an electric control system, remote and autonomous operation is supported, path planning is conducted based on environment perception, and the unit time drainage efficiency in a complex environment is improved in cooperation with a pump set. The auxiliary operation unit is a mechanical arm installed on the main machine body and sequentially connected with a first connecting arm, an angle adjusting arm and a second connecting arm, the tail end of the auxiliary operation unit is provided with a clamping mechanism and a crushing mechanism, and the auxiliary operation unit is used for obstacle clearing and narrow position fixed-point crushing and guarantees continuous operation and safety. The method is suitable for flood prevention and fighting, urban inland inundation, mine, underground pipe gallery, tunnel drainage and other scenes.

The invention provides a test system and method for simulating in-situ reservoir electric detonation fracturing through gas-liquid coupling pressure application. The test system comprises a pressure chamber used for installing a test piece, a stress loading device, a gas-liquid coupling device and a high-voltage electric detonation fracturing device with a discharge electrode. A detonation hole is formed in the top of the test piece; the stress loading device is connected with the pressure chamber and is used for applying axial pressure and confining pressure to the test piece in the pressure chamber to simulate ground stress; the gas-liquid coupling device can inject water, gas, water and gas into the pressure chamber; and a discharge electrode of the high-voltage electric detonation cracking device can be arranged in a detonation hole of the test piece to crack the test piece. The device has the characteristic of being capable of applying axial pressure and confining pressure, controllable explosion energy can be achieved, coupling of multiple physical fields and high accuracy of energy output are guaranteed, and self-water injection, self-gas injection and up-down water pumping and draining are achieved through the gas-liquid coupling device; and accurate and in-depth research on the hole fracture development law, gas migration, permeability and the like after the in-situ reservoir high-voltage electric pulse technology is realized is facilitated.

The landslide dammed lake landform utilization and restoration method comprises the steps that backfill back pressure is conducted on a slope toe river channel at the front edge of a landslide, reinforced concrete retaining walls are arranged at the upstream end and the downstream end of a backfill back pressure area respectively to stabilize backfill bodies of the backfill back pressure area, and water from the upstream of the river channel is intercepted to form a water storage area; reinforced concrete flood discharge and sand discharge holes are linearly distributed in stable mountain bed rock outside the landslide area, the inlet ends of the flood discharge and sand discharge holes are connected with an upstream water storage area river bank, the outlet ends of the flood discharge and sand discharge holes are connected with a downstream river bank slope, and a water pump station and a pipeline are built in a geological stable area of the water storage area to lift water. The land in the landslide area is recycled; by arranging the backfill back pressure area and the flood discharge and sand discharge hole, on the basis of stabilizing the landslide weir body, the water pumping station and the water lifting pipeline are built, water stored in the water storage area is utilized to irrigate and recycle land in the landslide area, land utilization and ecological restoration are carried out on the basis of landslide prevention and control, and the landslide treatment effect is improved.

The invention provides a water flow driven massage bathtub for the rehabilitation department, relates to the field of massage bathtubs and a connecting assembly, and aims to solve the problem that an existing connecting assembly is short of an effective water inlet anti-blocking structure, so that when an operator lies in the bathtub, the water inlet cannot be blocked when the operator lies in the bathtub. In order to solve the problems that a water inlet is easily covered and blocked when the water inlet is blocked for a long time, a motor is easily burnt out, and the skin of a user is adsorbed and damaged due to continuous water pumping negative pressure, a connecting plate and the motor can be rotationally driven by starting the motor mounted on the outer side of a mounting plate; when the connecting plate rotates, the connecting assembly can be synchronously driven to rotate, and automatic drainage operation is achieved through alignment of overflow holes formed in the peripheral face of the connecting assembly and drainage holes formed in the peripheral face of the suction assembly.

The invention relates to the technical field of underground water recharging, and particularly discloses a deep foundation pit underground water pumping and recharging balanced vacuum pressure type recharging device which comprises a basic hardware system, a sealing isolation system, a dynamic regulation and control system and a monitoring feedback system. The sealing isolation system comprises a vacuum well lid; according to the pipeline sealing assembly, a hydraulic drive sealing ring is arranged at the joint of a dewatering well water outlet pipe and a recharge well water inlet pipe, the sealing ring automatically expands to fill gaps during water injection, and air permeation is thoroughly isolated; through triple air isolation formed by water pumping pipe head immersion, vacuum well lid sealing and hydraulic sealing rings, contact between underground water and air is reduced to the maximum extent, oxidation reaction is reduced from the source, and the precipitation amount of iron and manganese oxides is reduced by 60% or above; meanwhile, bubbles and sediments can be effectively removed, more than 90% of bubbles and sediments can be actively removed through a periodic back raising and silt pumping mechanism, the anti-blocking performance of the recharge well is remarkably improved, and therefore the service life of the recharge well is prolonged.

The invention relates to the technical field of gas purification, and discloses an organic waste gas filtering and purifying device which comprises a tank body, a smoke inlet is formed in the bottom of the tank body, a water cabin is arranged on the outer wall of the tank body, a water pumping pipe is fixedly connected to the top of the water cabin, and a water pump is arranged on the circumferential surface of the water pumping pipe. A water adjusting mechanism is arranged in the tank body, the main shaft is rotatably connected to the interior of the tank body, a smoke outlet is formed in the outer wall of the tank body, the feeding pipe is fixedly connected to the inner wall of the feeding bin, and the small filter plate is fixedly connected to the inner wall of the bottom of the feeding bin. The rotating cabin rotates to drive the water spraying pipe to rotate, and the water spraying pipe rotates to increase the spraying area of sprayed water, so that a better purification effect is achieved.

The building foundation pit water pumping equipment comprises a water pumping barrel, a filter barrel, an elastic assembly and a driving barrel, a water pumping pipe is arranged at the top of the water pumping barrel, an opening in the bottom of the water pumping barrel is connected with the filter barrel through the elastic assembly, the filter barrel is attached to the inner wall of the water pumping barrel and can slide up and down in the axial direction, and filter holes are formed in the filter barrel; the elastic assembly is used for driving the upwards-moved filter cartridge to reset; a water outlet communicated with the interior of the water pumping barrel is formed in the top of the driving barrel, a plurality of conveying pipes are arranged at the bottom of the driving barrel, a plurality of water inlet pipes corresponding to the conveying pipes are arranged on the side wall of the water pumping barrel, and filter covers are arranged at the ends, located on the outer wall of the water pumping barrel, of the water inlet pipes; the on-off assembly is connected to the filter cylinder and used for being triggered by upward movement of the filter cylinder and enabling the conveying pipe to be communicated with the water inlet pipe. Through the arrangement of the water pumping cylinder, the filter cylinder, the elastic assembly and the driving cylinder, filtering switching between the filter cylinder and the water inlet pipe is achieved, and the impurity self-cleaning capacity of equipment is improved.

The invention discloses an underground engineering seepage control method based on multi-target rainfall scheme optimization and rolling scheduling, and belongs to the field of underground engineering and geotechnical construction informatization. According to the method, a two-stage integrated solution is provided, in the design stage, based on a seepage-stress coupling simulation model, a multi-target optimization algorithm is adopted, structural deformation minimization and engineering cost minimization serve as targets, a Pareto non-inferior solution set of the number, the position and the depth of precipitation wells is solved, and a baseline scheme is determined; in the construction stage, on a fixed precipitation well network, based on real-time monitoring data, secondary optimization with safety margin maximization and engineering cost minimization as targets is carried out in a rolling time window, the target water pumping flow and the start-stop state of each well are dynamically solved, and the target water pumping flow and the start-stop state are issued to field equipment for execution through an industrial communication protocol in a closed loop mode. According to the method, a whole-process closed loop of the precipitation scheme from design optimization to construction self-adaptive regulation and control is realized.

The utility model relates to the technical field of water treatment and discloses a water treatment online sampling device which comprises a rack, a sampling pump is fixedly mounted on the inner wall of the bottom of the rack, a sampling pipe is mounted at the water pumping end of the sampling pump, a connecting flange is fixedly connected to the end, away from the sampling pump, of the sampling pipe, and a filter is arranged at the end, close to the connecting flange, of the sampling pipe. The controller is connected with the sampling pump, the water conveying end of the sampling pump is provided with a conveying pipe, the conveying pipe is provided with a flow adjusting assembly, and the flow adjusting assembly comprises a flow adjusting valve and a flow sensor. According to the invention, the accuracy and stability of sampling each time can be ensured, strict control on the water sample amount and flow velocity under different detection requirements is met, the sampling quality is improved, and the real-time water quality condition in the water treatment process is better reflected.

The invention discloses a water pump device for highway pile foundation construction, and relates to the field of water pumps, the water pump device comprises a water pump main body, a water inlet pipe and a drainage pipe are mounted on the water pump main body, a positioning bracket is arranged on one side of the water pump main body, the water inlet pipe is mounted on the positioning bracket, and a filter head is connected to the water inlet pipe. It needs to be explained that when the water pump pumps water, along with descending of the water surface, the liquid level sensing floating plate gradually descends, the purpose of automatically tracking the water level is achieved, the optimal water suction height is kept, meanwhile, after the lifting floating rod moves downwards in place, water in the auxiliary water tank enters the transfer box, idling of the water pump can be avoided, and the water suction efficiency is improved. Meanwhile, sufficient time can be provided for workers to turn off the water pump in time; in addition, the pumped water is filtered by the filter head and impacts a plurality of impact fan blades to rotate so as to drive the filter head to swing and shake the water surface, and the problem that impurities are gathered at the filter head to cause blockage of the filter head during static water pumping is avoided.

The utility model discloses a sewage sampling device for ecological environment detection. The sewage sampling device comprises a collecting cylinder, a water inlet assembly and a water pumping assembly, the collecting cylinder has a water collecting cavity; the water inlet assembly comprises a water inlet pipe and a one-way valve. The water pumping assembly comprises a piston, a pull rod and a handle. The pull rod is provided with an air channel communicated with the water collecting cavity, a sealing piece and a spring are arranged in the air channel, the sealing piece is used for adjusting the air channel to be communicated and closed, and a push rod is arranged on one side of the sealing piece. According to the sewage sampling device for ecological environment detection disclosed by the utility model, a collecting person can throw the water inlet pipe into water far away from a dangerous area of a water bank zone, and then the water pumping assembly repeatedly pumps water until the water is pumped into the water collecting cavity, so that the situation that the collecting person falls into silt on the bank side is effectively avoided, and meanwhile, the difficulty of sampling operation is reduced.