3583 results about "Water pumping" patented technology

The invention discloses a simulation-optimization method for a pollution site groundwater pumping-injection-treatment pollution remediation system based on a multiform evolution search normal form. The method comprises the following steps: constructing a groundwater flow model and a pollutant solute transport model; the method comprises the following steps: determining a management objective function and constraint conditions of hydraulic control of an underground water pollution range, establishing an underground water pollutant treatment model, optimizing underground water pumping and injection treatment of a pollution site by adopting BLMFO, solving the problem of interdependence between an upper-layer global target and a lower-layer local target through nested optimization, and constructing an auxiliary task by utilizing MFO; state variables are updated through the groundwater flow model and the pollutant solute transport model, a management objective function value of the groundwater pollutant treatment model is calculated, and whether constraint conditions are met or not is judged; meanwhile, decision variables are selected by optimizing the groundwater pollutant treatment model, and state variables are updated by returning to the groundwater flow model and the pollutant solute transport model.

The invention belongs to the technical field of water pollution prevention and control, and particularly discloses a method for simulating and predicting underground water pollution of a karst area with multiple media. The method comprises the following steps: carrying out a water pumping experiment, geophysical exploration and a field tracing experiment, and determining the connectivity of a fault and a karst pipeline, the water flow velocity, the average water flow velocity of the pipeline, the connectivity of the pipeline and a branch structure; constructing a matrix three-dimensional unsteady-state groundwater flow equation, and determining the area and duration of a pollution source, a characteristic pollution factor and a leakage concentration; hydrogeological parameter calibration is carried out based on the groundwater unified measurement water level; taking the weighted variance of the monitored water level, the spring flow and the spring solute concentration as a calibration objective function; the fixed supply coefficient is converted into supply intensity, and the long observation hole water level fluctuation condition, spring flow and the concentration of pollution factors in spring water are predicted on the basis of unsteady flow simulation. The karst spring and water quality evolution can be accurately predicted, and a decision basis can be provided for protection and restoration of underground water resources in the karst area.

The present invention discloses a water-cooled radiator with built-in pump spraying waterway structure. A slot formed in the body bottom shell is separated into a water storage tank and a heat sink; a water inlet is formed in the heat sink, a water outlet is formed in the water storage tank, a through hole is formed in the water-stop plate, the radiating fin fixedly covers an opening of the heat sink; one end of the water inlet pipe is communicated with a water outlet end of the water-cooled box while the other end thereof is communicated with the water inlet, one end of the water outlet pipe is communicated with the water outlet while the other end thereof is communicated with a water inlet end of the water-cooled box, and the water pumping mechanism is arranged in the water storage tank. The present invention improves the water cooling efficiency.

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 belongs to the technical field of geothermal energy development and utilization, and particularly relates to a separated ultra-deep geothermal water extraction and utilization device which comprises a base, an adjustable supporting mechanism is arranged on the base, a winch is arranged on the adjustable supporting mechanism, a sliding rod piece is arranged in a closed mine, and the winch is used for conveying the sliding rod piece to the bottom of the closed mine. A clamping mechanism used for fixing the sliding rod piece is arranged on one side of the base. The sliding rod piece is vertically arranged, a plurality of supporting plate assemblies are connected to the sliding rod piece in a sliding mode, the other ends of the supporting plate assemblies are fixedly connected to a rope on the winch, a water pumping device is arranged on the lowest supporting plate assembly, transfer water pumping devices are arranged on the rest supporting plate assemblies, and the water pumping device is communicated with the transfer water pumping devices. The device is high in reliability, can be repeatedly used, is low in cost input, and can solve the problem that hot water is difficult to extract when a mine is closed in an ultra-deep manner.

The invention discloses a short-term multi-objective optimal scheduling method for a hybrid pumped storage power station, which belongs to the technical field of optimal scheduling of a power system and comprises the following steps of: acquiring initial input data; taking minimization of residual load mean square deviation as a peak regulation target, and taking minimization of lower reservoir tail water level daily variable amplitude and minimization of lower reservoir dam water level daily variable amplitude as navigation targets to construct a multi-target optimization scheduling model; performing mutual exclusion processing on reversible unit power generation and water pumping flow constraints to generate an initial solution, correcting the initial solution, solving the multi-target optimization scheduling model to obtain a Pareto solution set, dividing a Pareto leading edge distribution space, and selecting a feasible scheduling scheme with the maximum peak valley difference reduction rate as an optimal scheduling scheme; and selecting a final scheduling scheme from all the subspaces. The problems that in the prior art, peak regulation operation and navigation demand dynamic matching is insufficient, and a multi-source constraint coupling processing mechanism is lacked 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 invention relates to the technical field of dry type transformers, in particular to a dry type transformer which comprises a transformer body, the transformer body comprises a high-voltage coil and a low-voltage coil, the high-voltage coil is connected to the outer side of the low-voltage coil in a sleeving mode, a gap is reserved between the high-voltage coil and the low-voltage coil, and a plurality of vertically-through air channels are formed in the high-voltage coil and the low-voltage coil. Air guide pieces are arranged on the upper sides and the lower sides of the high-voltage coil and the low-voltage coil, and air ports of the air guide pieces are matched with air channel openings of the high-voltage coil and the low-voltage coil and gaps between the high-voltage coil and the low-voltage coil. According to the dry-type transformer, air circulation heat dissipation and water circulation cooling are combined through the integrated air channel, the heat dissipation calandria, the circulating fan and the water pumping device, the heat dissipation efficiency of the dry-type transformer is improved, the dry-type transformer can keep good heat dissipation performance in a closed or limited space, meanwhile, through the designed transmission mechanism, the heat dissipation efficiency of the dry-type transformer is improved, and the heat dissipation efficiency of the dry-type transformer is improved. Vibration energy generated when the transformer body works is converted into driving force of the water pumping device, and recycling of the vibration energy is achieved.

The invention belongs to the technical field of tunnel crack grouting and hole arrangement, and discloses a tunnel grouting and hole arrangement analysis method for spatial crack correlation analysis, which comprises the following steps: scanning the distribution position and geometric contour of surrounding rock cracks of a tunnel face to construct a crack communication network, and identifying an actual water guide path in combination with a water pumping test; the grouting openings are formed in the key nodes, accurate matching of the grouting holes and the seepage channels is achieved, scientificity and pertinence of hole distribution can be improved by fusing fracture space distribution and hydraulic connectivity, the plugging capacity of grout to water guiding fractures is remarkably improved, the grouting efficiency and the water stopping effect are improved, and the construction period is shortened. Meanwhile, neck feature recognition and section division are further performed on each crack in the crack communication network on the basis of arranging the grouting holes based on the hydraulic communication path, so that supplementary arrangement of the grouting ports is implemented by combining the relative relationship between the spatial position of the section and the existing grouting holes; and refined and dynamic optimized layout of the grouting ports is realized.

The utility model discloses a building construction accumulated water removing environmental protection device, which relates to the technical field of building construction, and comprises a water pumping pipe, one end of the water pumping pipe is fixedly connected with a spiral thread, the surface of the spiral thread is in threaded connection with an isolation ball, and the surface of the isolation ball is fixedly connected with a filter screen. A water suction pump is fixedly connected to one end of the water suction pipe, a damping structure is fixedly connected to the bottom of the water suction pump, and a water storage barrel is fixedly connected to one side of the top of the damping structure; through the arrangement of the spiral thread, the isolation ball and the filter screen, soil can be prevented from being sucked into the water suction pump during use, so that the water suction pipe is prevented from being blocked by the soil, the accumulated water removing efficiency is improved, and the practicability of the device is greatly enhanced; through the arrangement of the water conveying pipe, the atomizer and the water spraying opening, dust falling treatment can be conducted on a construction site during use, so that dust is prevented from floating in air and being sucked into a respiratory tract, pollution to the environment is relieved, and the use effect of the device is improved.

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 water pumping station remote control system adaptive to a water supply network, relates to the technical field of water pumping station control, and solves the technical problem that in the prior art, a water pumping station operation decision cannot be made when remote control is abnormal, and the supply efficiency is reduced. Specifically, a remote control influence analysis unit performs control influence analysis on remote detection of a water supply network, acquires control aging data and control interference data, and deduces whether the remote control influence analysis is normal or not according to data analysis; the signal abnormity control decision-making unit performs control signal abnormity decision-making on the water supply network, acquires decision-making duration information and decision-making frequency information, and deduces whether the supply decision of the current water pump station is adaptive or not according to information comparison.

The invention relates to the field of water body sampling, in particular to sampling equipment for water environment governance, which comprises a sampling mechanism, a force storage mechanism is movably connected in the sampling mechanism, a floating mechanism is arranged on the outer wall of the sampling mechanism, and a trigger mechanism and a positioning mechanism are arranged at the top of the sampling mechanism; the sampling mechanism comprises a sampling box, the force storage mechanism comprises a piston arranged in the sampling box in a sliding mode, and the top of the piston is fixedly connected with a sliding rod. The device can achieve rapid sampling at the specified depth, the sampling efficiency is improved, meanwhile, a water body in the central area of river water on a bridge can be sampled, a running water sample can be obtained, and the sampling efficiency is improved. According to the device, water is directly sampled from water below the water surface, floating objects on the water surface are prevented from being brought into the device, the device has the same sampling depth every time, a good water sample can be obtained, the water taking speed of the device can be rapidly increased through the arrangement of the force storage mechanism, a water pumping mode is directly adopted for sampling, and the sampling efficiency is higher compared with water inflow sampling.

The utility model discloses a booster pump damping water outlet channel, which comprises a water inlet pipe, a water inlet cavity, a water outlet cavity and a water outlet pipe, a first one-way valve is arranged between the water inlet pipe and the water inlet cavity, a water pumping driving device is arranged in the water inlet cavity, and a second one-way valve is arranged between the water inlet cavity and the water outlet cavity; the water outlet cavity comprises a main cavity channel and a secondary cavity channel, the second one-way valve is arranged at the bottom of the main cavity channel, a separation cover protruding towards the secondary cavity channel is arranged between the main cavity channel and the secondary cavity channel, a plurality of water passing gaps communicated with the main cavity channel and the secondary cavity channel are formed in the side wall of the separation cover, and the water passing gaps directly face or obliquely face the side wall of the main cavity channel. And the secondary cavity channel is communicated with the water outlet pipe. The utility model has the advantages of low vibration and noise.

The invention discloses an enhancement releasing platform which comprises a releasing pool arranged on the ground, the rear end of the releasing pool is a placing area, the front end of the releasing pool is a releasing area, a water outlet is formed in the front end of the releasing pool, a gate is arranged at the water outlet, the water outlet is communicated with a releasing groove, and the end, away from the releasing pool, of the releasing groove extends to the bottom of the releasing area. A water pumping assembly is arranged on the rear side of the releasing pool and communicated with a water inlet pipe, the end, away from the water pumping assembly, of the water inlet pipe extends to the releasing point, the water pumping assembly is communicated with a water outlet pipe, and the end, away from the water pumping assembly, of the water outlet pipe is communicated with the releasing pool. When the device is used, the biological individuals are firstly transferred into the releasing pool, the water level of the releasing pool is high, the height difference during transferring is small, the biological individuals are not prone to being injured, the biological individuals are released into a water body through the releasing groove after the gate is opened, in the releasing process, the releasing groove cannot be damaged due to water impact, friction and collision are reduced, and the survival rate is increased.

The invention discloses a rapid assessment method for seawater intrusion and sustainable freshwater exploitation in an phreatic aquifer considering hydraulic boundary changes. The method comprises the following steps: constructing a conceptual model based on specific working conditions; potential energy distribution in the phreatic aquifer is calculated; the seawater intrusion range is determined by searching an equipotential line equal to potential energy at a salt toe position in a potential energy field through interpolation and the height of a salt-fresh water interface; and calculating the sustainable fresh water exploitation rate: calculating the stagnation point position, wherein the water pumping rate when the stagnation point coincides with the salt toe position is the sustainable fresh water exploitation rate. According to the method, the evaluation precision and calculation efficiency of the seawater invasion range and the sustainable fresh water exploitation rate can be remarkably improved while the result accuracy is ensured; by adopting the conceptual model based on the working condition, the research area range and parameter setting can be flexibly adjusted according to actual requirements, and by optimizing the calculation model, the requirements of calculation resources and manpower and material resources are remarkably reduced under the condition that additional equipment or resource investment is not increased.

The utility model belongs to the technical field of water pumps, and particularly relates to a water pump floating ball suspension structure which comprises a bottom shell, a top shell is fixedly installed on the top of the bottom shell, a partition plate is fixedly installed between the bottom shell and the top shell, and a water outlet pipe is fixedly installed on the right side of the top of the bottom shell. A mounting box is fixedly mounted at the top of the top shell, a water inlet is formed in the surface of the mounting box, and a driving motor is fixedly mounted on the left side of the top of the partition plate. A water pumping impeller is driven by a driving motor to rotate, water can be conveniently pumped into a top shell and then enters a connecting box through a supporting box and a mounting pipe, then a waterproof motor drives a movable impeller to rotate, the water flow speed is increased, and when water in a water tank is sufficient, buoyancy can make a buoyancy ball float up; when water in the water tank is insufficient, buoyancy cannot enable the buoyancy ball to float, and at the moment, the device stops pumping water, so that the device is not prone to idling.

The invention discloses a method for preventing and controlling floor water inrush in the technical field of mine water disaster prevention and control, which comprises the following steps of: 1, analyzing mine conditions: knowing geological conditions of a water-resisting layer and a water-bearing layer, and determining underground water conditions; 2, regional evaluation: probing the water yield property of the aquifer, and dividing the working face into an abnormal region and a dangerous region; 3, drilling is carried out, wherein hole verification area division is carried out, the water quality type is determined, and the water pressure is measured; 4, drainage and pressure reduction, wherein drainage is conducted in the main hole according to the water inrush coefficient, and meanwhile water pressure and water pumping amount fluctuation are monitored in the whole process; 5, observation holes are formed and monitored, specifically, a plurality of observation holes are additionally formed in one side of the main hole, and water level changes are monitored; sixthly, grouting reinforcement is conducted, specifically, grouting reinforcement is conducted at the main hole, and meanwhile the water pumping power is lowered; and 7, reinforcing result verification: evaluating the reinforcing effect. The method is easy to operate, and the ideal bottom plate reinforcing effect is achieved by conducting drainage pressure reduction and grouting reinforcement at the same time and arranging the observation holes.

The invention discloses a method for rapidly evaluating seawater intrusion and sustainable freshwater exploitation in a confined aquifer by considering hydraulic boundary change. The method comprises the following steps: constructing a conceptual model based on specific working conditions; potential energy distribution in the confined aquifer is calculated; the seawater intrusion range is determined by searching an equipotential line equal to potential energy at a salt toe position in a potential energy field through interpolation and the height of a salt-fresh water interface; and calculating the sustainable fresh water exploitation rate: calculating the stagnation point position, wherein the water pumping rate when the stagnation point coincides with the salt toe position is the sustainable fresh water exploitation rate. According to the method, the evaluation precision and calculation efficiency of the seawater invasion range and the sustainable fresh water exploitation rate can be remarkably improved while the result accuracy is ensured; by adopting the conceptual model based on the working condition, the research area range and parameter setting can be flexibly adjusted according to actual requirements, and by optimizing the calculation model, the requirements of calculation resources and manpower and material resources are remarkably reduced under the condition that additional equipment or resource investment is not increased.

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 relates to the technical field of sewage sampling, and discloses a sewage detection sampling device, which comprises a floating plate, a U-shaped frame, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe, a water inlet pipe and a water outlet pipe, the water pumping assembly is arranged on the transverse edge of the U-shaped frame, and the water pumping assembly is used for pumping sewage at different depths; the drainage assembly is arranged on the transverse edge of the U-shaped frame, the drainage assembly is further connected with the water pumping assembly, and the drainage assembly is used for draining water pumped by the water pumping assembly; and the driving assembly is arranged on the transverse edge of the U-shaped frame and used for driving the water pumping assembly and the water draining assembly to work. When the height of the sleeve is switched, the position of the water outlet head can be automatically changed, so that the water outlet head cannot enter the sampling barrel when water is drained for the first time at a specified position, and the water outlet head automatically moves to the position above the sampling barrel before water is drained for the second time, so that accurate sampling of sewage is completed, and the using effect of the equipment is improved.

The ecological slope protection structure for water and soil conservation for water conservancy construction comprises soil retaining plates fixedly supported on slopes on the two sides of a river, planting grooves for planting green plants are formed in the soil retaining plates, a water pumping pipe is fixedly connected, and the outer contour of the water pumping pipe is sleeved with a rectangular shell moving in a reciprocating mode; the rectangular shell is fixedly connected with a spray head and a drainage pipe which is in through connection with the spray head, in addition, a salvage mechanism and a liquid pumping mechanism are further arranged on the soil retaining plate and used for cleaning floating objects on the surface of river water and pumping the river water for irrigation, and the salvage mechanism achieves salvage of the floating objects through matched action of a cylindrical roller and a filter plate; according to the ecological slope protection structure, by means of an automatic irrigation system, the utilization efficiency of water resources is improved, the soil retention capacity is enhanced, plant growth is promoted, water and soil loss is effectively prevented, and the ecological slope protection structure can be applied to the field of ecological slope protection especially under the drought condition. The ecological environment is protected and recovered.

The invention relates to the technical field of water pumping energy storage, in particular to a compressed air energy storage and water pumping energy storage combined energy storage power generation system which comprises a high-point reservoir, a water pumping generator set and a low-point reservoir which are sequentially communicated from high to low. The high-point reservoir naturally stores water; water in the high-point reservoir can downwards flow into the hydroelectric generating set for power generation according to gravity; water flowing through the hydroelectric generating set for power generation can flow into the low-point reservoir according to gravity; the water pumping unit can pump water in the low-point reservoir into the high-point reservoir; the device further comprises a plurality of water-gas co-containing tanks. Water and air are contained in the water-air co-containing tank at the same time; the altitude of the water-gas co-containing tank is the same as that of the water pumping generator set; the water-gas co-containing tank is communicated with the high-point reservoir and the water pumping generator set simultaneously; water in the high-point reservoir can downwards flow into the water-gas co-containing tank according to gravity and compress air in the water-gas co-containing tank; and water in the water-gas co-containing tank can flow into the hydroelectric generating set under the extrusion of the compressed air to generate power.

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 field of hydrogeology, and discloses a mine pit water inflow prediction method suitable for cohesive soil coverage, which comprises the following steps: special drilling: performing monitoring drilling on a mine, and simultaneously respectively adopting cohesive soil undisturbed samples at different positions to obtain cohesive soil data; monitoring data: respectively observing corresponding data of the drill holes by using a monitoring device; a group hole water pumping test is carried out on the mine to obtain a mine underground water flow field form, observation data are collected in real time in the water pumping process, and water pumping test data are obtained; and water release test: carrying out cohesive soil compaction water release test on the cohesive soil undisturbed sample in a high-pressure state by adopting special equipment. The cohesive soil data are obtained through special drilling, the foundation is laid for follow-up analysis, the dynamic state of the cohesive soil is mastered in real time through data monitoring, the basis for studying the characteristics and change rules of the cohesive soil is built by combining the data with the special drilling data, the interaction between underground water and the cohesive soil is studied through a water pumping test, and key support is provided for prediction.

The invention provides a karst collapse simulation experiment device of a multi-factor action mechanism, and belongs to the field of karst collapse simulation experiments.The karst collapse simulation experiment device comprises a test box, a karst foundation, a karst cave, an underground water circulation unit, a pressure measuring unit, two position adjusting assemblies and two water spraying assemblies, and the karst foundation with the karst cave is filled in a simulation construction site in the test box; the underground water circulation unit pumps and drains water at the same time to simulate underground water circulation of a karst cave, then only pumps water but not drains water to simulate underground water pumping on a construction site, the two water spraying assemblies spray water into the test box to simulate natural rainfall, and the two position adjusting assemblies move in the test box to form pressure test spaces at all positions in the test box correspondingly. Then the two water spraying assemblies spray water to the pressure testing space until the sprayed water presses the karst foundation in the pressure testing space to collapse, and the pressure measuring unit measures the pressure value during collapse, so that the ultimate bearing capacity simulation experiment is carried out on the karst foundation in the pressure testing space.

The invention relates to the technical field of deep-sea mining, in particular to a closed deep-sea mineral lifting system which comprises an offshore platform, and the offshore platform is provided with a first mineral-water separation device and a high-pressure water pump which are communicated with each other; one end of the circulating pipeline is communicated with the high-pressure water pump, and the other end of the circulating pipeline is communicated with the first mineral-water separation device; the water inlet assembly is communicated with the circulating pipeline; the relay platform can suspend in seawater, and a storage bin is arranged on the relay platform; the water pumping assembly communicates with the storage bin and is used for discharging the seawater in the storage bin into the sea; the mining assembly is communicated with the storage bin; and the feeding assembly is arranged between the storage bin and the circulating pipeline, the feeding assembly communicates with the circulating pipeline, and the feeding assembly is used for injecting the ore pulp in the storage bin into the circulating pipeline. According to the method, the influence on marine ecology can be reduced while efficient mineral lifting is achieved.

The utility model relates to a sea grass cultivation device which comprises a cultivation tank, a first water inlet, a first water outlet, a second water outlet and a cultivation chamber used for cultivating sea grass, the cultivation chamber is located at the bottom of the cultivation tank, and a matrix is laid in the cultivation chamber; the first water inlet is located in the first side of the cultivation tank. The first water outlet and the second water outlet are positioned on the second side of the cultivation tank; the water pumping assembly comprises a water pump and a water inlet pipe, the water inlet pipe is communicated with the first water inlet, and the water pump is arranged on the water inlet pipe; the drainage control assembly comprises a drainage pipe and a drainage control valve, the first water outlet communicates with the drainage pipe, and the second water outlet communicates with the drainage pipe through the drainage control valve; and the controller is connected with the water pump and the drainage control valve. The sea grass cultivation device capable of simulating the tide is favorable for better simulating the growth environment of the sea grass, so that the indoor simulation scientific research experiment result of the sea grass is closer to the natural state.

The utility model discloses a water pump capable of preventing blockage and convenient to recycle, which comprises a water pump main body, a connecting seat is fixedly arranged at the bottom end of the water pump main body, a supporting seat is arranged at the bottom end of the connecting seat, a water inlet pipe is fixedly arranged on the supporting seat, and a drainage pipe is fixedly arranged on the connecting seat. A fan-shaped water inlet bin is fixedly installed at the end of the water inlet pipe, a filter screen is fixedly installed on the side wall of the fan-shaped water inlet bin, a sweeping mechanism is arranged on the fan-shaped water inlet bin and comprises a sealing box, and the sealing box is fixedly installed on the top wall of the fan-shaped water inlet bin. Through cooperation of the rotating column, the connecting rod, the mounting rod and the cleaning brush, the cleaning brush can rotate around the rotating column to circularly pass through the filter screen to clean the outer wall of the filter screen and clean water plants and impurities adsorbed on the surface of the filter screen, and the problems that the filter screen is blocked, water inlet is affected, and the water pumping effect of a water pump is poor are solved.