2501 results about "Water leak" patented technology

A pet water dispenser includes a water tank for storing liquid, an upper cover installed above water tank and having a sink and a water leakage opening communicating with water tank in surface, a water pump extending into or onto upper cover from lower part of water tank and having a water supply opening in surface above upper cover; water pump includes a first accommodating chamber internally having a motor which drives pump blades below first accommodating chamber to rotate through a rotating shaft, second accommodating chambers of which walls define a pump chamber with downwards-extended wall of first accommodating chamber; a centrifugal water pump formed by pump blades in pump chamber and matched motor and including a water inlet communicating with water tank, and a water discharging opening; a water supply channel formed by second accommodating chambers sequentially communicating with water discharging opening and water supply opening.

The invention discloses an intelligent agricultural water-saving irrigation system and a control method, and relates to the technical field of agricultural irrigation. Comprising the following steps: a land area planning module performs equal-area division on a farmland, sets a detection node array, and monitors water retention conditions of different soil depths; the moisture gradient characterization module calculates the vertical moisture gradient and the direction of the vertical moisture gradient of the evaluation area in real time through edge calculation. And the irrigation water amount correction module fuses and generates a target water-holding capacity based on the leaf stomatal conductance signal and the moisture gradient. The irrigation circulation termination control module uses pulse type infiltrating irrigation, and sets double termination conditions of the water-holding capacity change rate and the permeability. The closed-loop feedback adjustment module detects the soil water content after irrigation, characterizes the water leakage risk and feeds back and adjusts the irrigation water amount, closed-loop control is formed, and effective utilization of water resources is ensured.

The utility model provides a heat exchanger tube head welding seam pressure test tool which comprises a shell pass, a connecting piece, a sealing ring and a tube plate. A connecting piece is arranged on one side of the shell pass, a tube plate is clamped on the free side of the connecting piece through a sealing ring, and a through hole is formed in the connecting piece close to the sealing ring and faces the shell pass in a penetrating mode. The shell pass, the connecting piece, the sealing ring and the tube plate are matched with one another, gas or water is blown to the tube plate through the shell pass, part of gas or water extrudes the sealing ring through the through hole to enable the sealing ring to clamp the tube plate, and at the moment, whether the pressure test of the welding seam of the tube head is qualified or not can be determined by observing whether the welding seam of the tube plate and the heat exchange tube leaks gas or water or not. The pressure test can be conveniently and efficiently carried out on the pipe head welding seam.

The utility model discloses a glass curtain wall top edge sealing structure which is characterized in that a glass curtain wall is arranged on a main body structure, a parapet wall is arranged on the upper portion of the main body structure, and a top edge sealing assembly connected with the glass curtain wall is arranged on the parapet wall; the top edge sealing assembly comprises a lower edge sealing component, the lower edge sealing component is installed on the top face of the parapet wall in a covering mode and connected with the glass curtain wall, a supporting steel truss penetrating through the lower edge sealing component is vertically installed on the top face of the parapet wall, and an upper edge sealing component is jointly arranged on the top of the supporting steel truss and the top of the glass curtain wall. Therefore, the glass curtain wall protruding out of the parapet wall is pulled and fixed, potential safety hazards of the part, protruding out of the parapet wall, of the glass curtain wall are reduced, edge sealing of the part, protruding out of the parapet wall, of the glass curtain wall is achieved, waterproof measures are enhanced, the waterproof effect is improved, and potential quality hazards of water seepage and leakage are reduced; the structure is simple, construction is easy, and the installation quality of the glass curtain wall is improved.

The invention discloses an urban water supply pipe network leakage detector and a detection method, and relates to the field of municipal engineering. A leakage detector for an urban water supply pipe network comprises a circular sealing cover composed of two semicircular sealing covers, the circular sealing cover is arranged at a connector between every two water supply pipes in a sleeving mode, and the two semicircular sealing covers are detachably connected through fixing bolts; the semi-circular sealing plate is arranged in the semi-circular sealing cover and is used for blocking a joint between the two water supply pipelines when water leaks; by means of the emergency plugging function, water can be timely prevented from continuously leaking at the initial stage of water leakage at the pipeline connecting position, compared with a traditional mode that only detection is conducted without pretreatment, waste of water resources is greatly reduced, and the urban water saving concept and the efficient utilization requirement of the water resources are met.

The invention discloses a towing operation system and method. The system comprises a towing winch and an anti-loosening device which are arranged on a lower deck in a cabin, and a cable guide device, shark pincers, a stern limiting pin, a height limiting device and a swing stopping device which are arranged on an open-air upper deck; a steel cable and a rope guider are arranged on the towing winch; the anti-loosening device is used for enabling the steel cable to always keep certain tension under the condition that the cable end is not loaded; the cable guiding device comprises a pulley, a pressing wheel and a protective cover, the protective cover covers the cable outlet hole and the pulley, and during operation, the steel cable upwards penetrates out of the cable outlet hole, then bypasses the top of the pulley downwards, penetrates out of the rear side hatch and then bypasses the bottom of the pressing wheel; the height limiting device is used for limiting the height of the point position of the steel cable at the shark pincers; and the oscillation stopping device is used for stopping oscillation of the steel cable. According to the system, the height of a steel cable outlet point can be lowered, water can be prevented from leaking into a cabin from waves on an upper deck, a cable outlet hole is protected against wind and rain, the steel cable can be prevented from being disordered and being scratched with a stern A-shaped frame, and a buoy or a towed ship can be safely replaced under the condition that the steel cable is not unloaded.

The invention discloses a pipe network large circulation system for a direct drinking water pipeline, which is combined with five functional modules, namely an intelligent monitoring module, a water leakage monitoring module, a pressure adjusting module, a health assessment module and an intelligent operation and maintenance module to form a set of integrated pipe network management system based on multi-source perception, intelligent analysis and visual decision. Compared with the prior art, the system has the advantages that the accuracy of pipeline abnormity identification, the positioning efficiency of a water leakage problem, the response timeliness of pressure regulation and the scientificity of health assessment are remarkably optimized, and meanwhile, data-driven pipe network full-life-cycle management is realized through an intelligent operation and maintenance means. On the whole, the system has remarkable technical progress and application value in the aspects of improving the intelligent level of an urban water supply system, guaranteeing water supply safety and operation economy and the like.

The invention relates to the technical field of coal ash reduction and chlorine removal, and provides a dense-medium shallow-slot separation ash reduction and leaching chlorine reduction joint production device and a production process, a separation piece is provided with an overflow port, and the overflow port is used for conveying clean coal; a frame; the conveying part is arranged on the rack, is positioned below the overflow port and is used for conveying clean coal; the first storage bucket is rotationally arranged on the rack, and the first storage bucket is provided with a plurality of first water leakage holes; the second storage barrel is arranged on the rack and located in the first storage barrel, the conveying part leads to the second storage barrel, the second storage barrel is provided with a second water leakage hole, after the first storage barrel rotates, the first water leakage hole is communicated with or canceled from the second water leakage hole, and after the first water leakage hole is canceled from the second water leakage hole, the second storage barrel is used for storing water and clean coal; the first water leakage hole and the second water leakage hole are communicated and then used for discharging water. By means of the technical scheme, the problem that in the prior art, the heavy medium shallow groove separation ash reduction and chlorine removal effect is poor is solved.

To dismantle a nuclear facility affected by a severe accident in an underwater environment by submerging the facility in water so that the water shields radiation from the nuclear facility.SOLUTION: The method for dismantling a nuclear facility includes: stopping water leakage at a leakage portion by using a particle dispersion liquid containing fine particles having a specific gravity greater than that of water, when dismantling a nuclear facility in which the water leakage portion has occurred due to a severe accident; and submerging at least a part of the nuclear facility. This makes it possible to submerge a reactor well and to perform dismantling work from above a reactor building.SELECTED DRAWING: Figure 1

Disclosed are methods, systems, and computer-readable media to perform operations including: receiving real-time water cycle data in the facility, wherein the data includes water flow of the water cycle; identifying water nodes in the water cycle based on water flow; determining a difference in water balance for each water node; identifying a leak at a particular water node among the water nodes based on the difference in water balance at the particular water node being higher than a predetermined threshold value; and rendering a visualization comprising a representation of the leak at the particular water node on a display device.

The utility model relates to a back flushing energy dissipation device of a filter press, the tail end of a back flushing sludge backflow main pipe is connected with an exhaust branch pipe and a back flushing sludge backflow secondary pipe through a three-way pipe, the exhaust branch pipe extends upwards and is provided with an exhaust branch special valve, and the back flushing sludge backflow secondary pipe extends downwards and is provided with an exhaust branch special valve. An energy dissipation device is arranged at the lower end of the back flushing sludge backflow secondary pipe, a porous water leakage grid groove is vertically arranged below the energy dissipation device, and a plurality of groove body fixing tie bars are uniformly arranged on the circumference below the energy dissipation device; the energy dissipation device comprises an energy dissipation cover body II and an energy dissipation cover body I which are integrally formed, the energy dissipation cover body II is in a circular tube shape, the upper end of the energy dissipation cover body II is in butt joint with the blowback sludge backflow secondary pipe, the lower end of the energy dissipation cover body II is connected with the energy dissipation cover body II, the energy dissipation cover body I is in a flaring horn shape, and the flaring end of the energy dissipation cover body I faces downwards. According to the utility model, through continuous multi-time energy dissipation, the back-flushing speed of sludge and sewage is reduced, and splashing of the sludge and sewage is reduced.

The utility model discloses a frameless car door top sealing system, belongs to the technical field of car doors, and solves the problem that leakage occurs at the joint of a glass guide groove and an environment part which is actually a car door window frame or a car body sheet metal part after the structure is damaged through rivet connection. The frameless vehicle door top sealing system comprises a glass guide groove, the glass guide groove comprises a sealing part and a connecting part, an included angle is formed between the sealing part and the connecting part, the included angle is larger than or equal to 90 degrees and smaller than 180 degrees, and the connecting part can be used for being fixedly connected with a vehicle sheet metal part. The frameless car door moving glass is in contact with the sealing cover when ascending, elastic deformation is achieved, gaps are reduced, the sealing effect is enhanced, the outer sealing lip provides a second defense line, rainwater is prevented from entering, the outer water cutter protects the glass guide groove, water resistance is enhanced, the glass guide groove is fixed through the connecting rail bar and other structures, rivet damage is avoided, and water leakage is reduced.

The invention relates to the technical field of automobile front windshield drainage, in particular to a front windshield lower decorative plate structure and an automobile. The invention provides a front windshield lower decorative plate structure. The front windshield lower decorative plate structure comprises a front windshield lower decorative plate body and a gutter channel system installed on the front windshield lower decorative plate body. The gutter channel system comprises a gutter channel body, a water leakage hole formed in the gutter channel body, a spiral worm arranged in the gutter channel body and a driving motor arranged outside the gutter channel body, and the water leakage hole is located in a terminal point area of a pushing path of the spiral worm; the spiral worm is in transmission connection with the driving motor, and the driving motor is used for driving the spiral worm to rotate. Traditional gravity drainage is upgraded into active mechanical drainage, drainage efficiency and reliability do not depend on the inclination angle of the gutter channel body seriously any more, and meanwhile the spiral worm can push small foreign matter entering along with rainwater to the water leakage holes while pushing water flow.

The invention provides a gear and rack climbing type ship lift adopting a balance winding drum for safe fortification and an operation method of the gear and rack climbing type ship lift, relates to the field of ship lifts, and aims to solve the problems of main engine arrangement and water leakage safety fortification of a high-water-head large-tonnage ship lift. The ship lift comprises a self-bearing ship chamber structure, gear and rack driving mechanisms distributed on side wing platforms, a balance winding drum device at the top of a tower column, a balance weight system and a butt joint locking / jacking device. The ship chamber driving mechanism is driven to ascend and descend through meshing of a gear and a rack, the balance winding drum device is connected with the ship chamber and the balance weight system through a steel wire rope, weight balance is achieved, and locking is achieved through an accident brake during water leakage. The butt joint device resists loads through frictional contact and mechanical self-locking. According to the invention, the manufacturing and mounting problems of the super-large winding drum are avoided, space conflicts are solved, a three-level protection mechanism is constructed, the braking response time is less than or equal to 0.5 second, the locking reliability is 100%, and the device is suitable for navigation of ships with 200m-level water heads and 5000 tons.

The utility model discloses a cleaning water circulating device of a scrubber, which relates to the technical field of circulating water, and comprises a water containing tank body, a hollow shaft motor, a filtering structure and a circulating structure, the filtering structure is arranged in the water containing tank body, the hollow shaft motor drives the filtering structure to rotate, the hollow shaft motor is provided with a motor body and a hollow shaft, and the cleaning water circulating device further comprises a water collecting tank, the water collecting tank and the water containing tank body are integrally formed; the hollow shaft is partially inserted into the water collecting tank; a sealing ring is mounted between the hollow shaft and the wall body of the water collecting tank; a sealed water storage space is formed in the water collecting tank; a first water outlet hole is formed in the hollow shaft in the water collecting tank; a second water outlet hole is formed in the water collecting tank; water filtered by the filtering structure enters the water collecting tank through the first water outlet hole; the sewage circulating device can discharge filtered water through the hollow shaft and temporarily store the filtered water in the water collecting tank, so that water leakage is avoided, the filtered water can be discharged to the ground or supplied to the brush disc for cleaning, and sewage recycling is facilitated.

The utility model relates to the technical field of new energy automobiles, in particular to an electric car water cooling charging system which comprises a charging butt joint part and an electric car butt joint part, the charging butt joint part comprises a charging butt joint shell, the electric car butt joint part comprises an electric car butt joint shell, and a cooling butt joint mechanism is arranged between the charging butt joint shell and the electric car butt joint shell. The cooling butt-joint mechanism comprises a first water flow channel, a cooling driving part, a second water flow channel and an electric vehicle cooling part, the first water flow channel is formed in the charging butt-joint shell, the cooling driving part is in sealed sliding connection with the charging butt-joint shell, and the second water flow channel is formed in the electric vehicle butt-joint shell; the electric car cooling component is in sealed sliding connection with the electric car butt joint shell, the charging butt joint shell is in butt joint with the electric car butt joint shell, and the charging cooling driving component is in butt joint extrusion with the electric car cooling component, so that communication of the first water flow channel and the second water flow channel is achieved. The utility model has the advantages of good sealing performance, timely cooling, no water leakage, few components, low use cost and stable and reliable butt joint.

The invention provides a water supply network water leakage abnormity identification method based on NMF dimension reduction, and relates to the technical field of water supply network abnormity identification, and the method comprises the steps: embedding hydrophone sample data containing expert labeling information into a sample weight matrix as a row vector, and constructing a sample dimension loss item; hydrophone sample data containing industry feature priori are mapped to the feature basis matrix to serve as rows, and feature dimension loss items are constructed; combining the two loss items to construct a total loss function and solving the total loss function to obtain an optimal sample weight matrix; and performing clustering analysis based on the optimal sample weight matrix to obtain a clustering affiliation result of the hydrophone sample data so as to judge whether the water supply network to be identified has water leakage abnormity or not. According to the method, the double-constraint NMF framework fusing the expert knowledge of the sample dimension and the industry priori knowledge of the feature dimension is constructed, the accuracy and interpretability of hydrophone feature dimension reduction are considered, and the problems that an existing method is poor in interpretability, less in priori knowledge utilization and the like are solved.

Disclosed is a system for detecting a water leak, the system including: a sensor that can generate sensor signals and a computer system that can receive and process the sensor signals to detect a water leak. In response to detecting the leak, the computer system can send a state change command to a valve control device, which can be configured to change a state of a solenoid valve according to the state change command. In response to detecting the leak, the computer system can transmit information to a mobile device over a communication network, the information including (i) an indication of the state change command and / or (ii) an indication that the water leak was detected. The mobile device can present the transmitted information in a graphical user interface (GUI), present a selectable option, and receive a user selection of the selectable option, which causes an action to be performed.

The invention discloses a ship intelligent cabin system based on artificial intelligence, and the system comprises an intelligent environment adjustment module which collects cabin environment parameters in real time, predicts the temperature and humidity change trend, automatically controls an air conditioner and purification equipment, and adjusts the cabin environment; the equipment maintenance module is used for collecting operation parameters of ship equipment in real time, positioning fault causes and fault positions through a fault diagnosis algorithm and generating a maintenance scheme; the emergency intelligent response module is used for monitoring whether a fire or water leakage condition exists in the cabin in real time, automatically starting fire extinguishing or drainage equipment and planning an escape route; and the cabin space utilization module is used for analyzing personnel activity behaviors by using a camera in combination with an image recognition technology and an AI algorithm, and intelligently switching functions of the multifunctional cabin according to cabin use requirements and personnel activity conditions. Through the environment adjusting module, the equipment maintenance module, the emergency intelligent response module and the cabin space utilization module, the overall performance and the management level of the ship cabin are improved.

The invention relates to the technical field of tobacco seedling raising, and discloses a dry-wet alternation tobacco seedling raising method, which comprises the following steps: performing water control management on a seedling raising pond for culturing tobacco seedlings in a periodic circulation mode, performing dry-wet alternation in each period, and realizing dry-wet alternation by sequentially performing a water inlet stage, a water leakage stage and a drought stage in each period. The tobacco seedling root toughness, stress resistance and adaptive capacity can be improved, and the tobacco seedling returning speed and the early-growing and quick-sprouting progress are accelerated. According to the actual water requirement rule of tobacco seedling root growth, the drought alternating seedling raising water control method is provided by combining the characteristics of tobacco seedlings, and the seedling raising quality is greatly improved. Moreover, according to the method, the temperature and humidity changes of the seedling raising substrate are monitored in real time, so that effective control over crop growth is achieved. Water control is implemented by using water leakage and natural permeation theories, so that the use and energy consumption of natural resources are reduced, the aim of simply and conveniently implementing healthy seedling culture is fulfilled, and the cost is reduced.

The invention discloses a full-water-blocking cable and a preparation method thereof, and relates to the technical field of high-voltage electrical engineering. The full-water-blocking cable comprises a waterproof structure cable core and an insulating layer, the waterproof structure cable core is wrapped by the insulating layer, the waterproof structure cable core is composed of an aluminum single-wire conductor located in the center and a plurality of outer-layer aluminum single-wire conductors arranged annularly, a wrapping layer is arranged outside the center aluminum single-wire conductor, a filling layer is arranged between the outer-layer aluminum single-wire conductors, and the outer-layer aluminum single-wire conductors are wrapped by the wrapping layer. The coating layer and the filling layer are made of semi-conductive water-blocking materials, and the outer-layer aluminum single-wire conductors are annularly arranged around the central aluminum single-wire conductor by at least one circle. The invention further provides a preparation method of the full-water-blocking cable. The full-water-blocking cable provided by the invention has excellent waterproof performance and interface adhesion performance, the quality of a finished product is high, the stability is good, and the problems that the bonding strength between an existing semi-conductive water-blocking material and an aluminum wire is low, the cohesiveness and flowability of a water-blocking filler are poor, the quality of a finished cable is low, and longitudinal water leakage of the water-blocking cable is serious are effectively solved.

The invention relates to the technical field of water affair management, in particular to a water affair pipe network management system based on a GIS (Geographic Information System), which comprises a GIS map module which is used for dynamically displaying real-time states of monitoring points on a GIS map and visualizing a connection relationship between pipelines and nodes through topological analysis of the GIS; according to the application, a GIS map is taken as a core carrier, strong association of space coordinates-asset attributes-real-time states is constructed, and quantitative analysis and intelligent decision-making capabilities are endowed to the system through closed-loop linkage of four algorithms of water leakage detection, hydraulic simulation, path optimization and pipe network extension.

The invention relates to the technical field of pipeline power generation, and particularly discloses a pipeline power generation device, comprising: a power generation impeller, the power generation impeller comprising a rotating turbine and a rotating shaft, the power generation impeller enabling the rotating turbine to drive the rotating shaft to rotate through flow impact of a medium in a pipeline; an output shaft of the generator is in transmission connection with a rotating shaft of the power generation impeller; the mounting mechanism is used for mounting the power generation impeller on a pipeline and enabling a rotating turbine in the power generation impeller to be in contact with a medium in the pipeline, and the mounting mechanism comprises a mounting pipe communicated with the pipeline; according to the device, the fixed arc plate and the butt joint arc plate are matched with the mounting pipe, so that the water leakage position of the pipeline can be effectively maintained, namely, while the device is convenient to maintain the pipeline, a sensor, a power generation impeller, a power generator and other structures can be effectively mounted to monitor the pipeline, and special water cut-off for mounting the sensor or a power generation device is not needed.

The invention relates to the technical field of a wireless water leakage detection and alarm method used in a building, and discloses a wireless water leakage detection and alarm method and system used in a hidden space in the building. The technical problems that in the prior art, in a complex electromagnetic environment, wireless signal transmission stability is poor, durability of a water leakage sensor is insufficient, and the accurate positioning capacity of a water leakage position is poor are solved. According to the method and system, a distributed water leakage detection unit, a wireless data gateway and a central management platform are included, and accurate positioning of water leakage and intelligent water source identification are achieved. By adopting the technical scheme, the problems of signal robustness and sensor durability can be effectively solved, accurate positioning of water leakage and water source inference are realized, response time is shortened, loss is reduced, and building safety management is improved.

The invention discloses an on-line water meter fault alarm detection device which comprises a water meter shell, a linkage device is arranged in the water meter shell and connected with a rotating shaft in the water meter shell, the upper end of the rotating shaft is rotationally connected with a rotor wing machine core, the rotor wing machine core is connected with a meter hand, a linkage gear is connected with a rotating shaft, and the rotating shaft is connected with a linkage gear. The camera is electrically connected with the fault detection mechanism, a water flow speed measurement sensor is arranged in the water meter shell, and the camera, the water flow speed measurement sensor and the rotary displacement sensor are electrically connected to a first early warning processor of the fault detection mechanism. Whether the water meter pointer rotates or not can be rapidly determined through the early warning detection mechanism, meanwhile, whether the impeller rotates under flowing of water flow or not is determined in the water meter shell, and whether the water meter runs or not is determined bidirectionally, so that whether the water flowing condition exists in water meter faults or not is guaranteed; and meanwhile, the linkage device is used for quickly warning the condition that water flows and the meter does not flow.

The utility model provides an adjustable stator blade sealing device of an aero-engine, which is characterized in that an external shaft sleeve is arranged on a blade handle and rotates along with the blade handle; the internal shaft sleeve is mounted between the blade handle and the external shaft sleeve, the internal shaft sleeve is provided with a cavity, and a mounting shaft hole of the adjustable stator blade is matched with the cavity; a first sealing structure and a second sealing structure are arranged between the external shaft sleeve and the internal shaft sleeve, and the internal shaft sleeve and the external shaft sleeve are tightly sealed through cooperation of the first sealing structure and the second sealing structure. According to the utility model, a sealing mode of combining gas path sealing and labyrinth sealing is adopted, and the shaft sleeve at the blade handle and the bushing at the shaft hole of the casing are matched for sealing, so that the sealing performance of the gas compressor is improved, the water leakage problem at the VSV blade handle of the gas compressor is effectively reduced, the accuracy of T3 temperature change data is improved, and the reliability of a test result is enhanced.

The invention discloses a building roof water leakage detection method and system, and relates to the technical field of monitoring analysis, and the method comprises the steps: guiding drilling equipment to carry out the punching operation based on a micropore path topological graph, collecting the real-time deformation parameters of the peripheral region of a hole site, carrying out the internal stress gradient analysis of a waterproof layer material, and generating a hole site stress diffusion vector diagram; performing spatial registration fusion on the waterproof layer three-dimensional density distribution model and the hole site stress diffusion vector diagram, calculating a potential leakage probability corresponding to the waterproof layer around each hole site, performing spatio-temporal evolution simulation on the potential leakage probability, and outputting a dynamic leakage risk thermodynamic diagram; and performing water leakage path reverse tracking modeling by combining the dynamic leakage risk thermodynamic diagram and the waterproof layer three-dimensional density distribution model, generating a roof water leakage detection optimization model, and transmitting the water leakage detection optimization model to a monitoring terminal to implement real-time water leakage early warning. The method has the effect of improving the water leakage detection efficiency.

The utility model discloses a grape planting device, which belongs to the technical field of plant planting and comprises a support structure arranged around grape plants. The light-transmitting film is arranged on the bracket structure; the top structure comprises a water leakage opening capable of being closed, a water dripping guiding assembly, a water collecting assembly and a linkage assembly, the water collecting assembly is connected with the linkage assembly, the linkage assembly is connected with the water leakage opening, and the water dripping guiding assembly is arranged on the inner side of the top structure. The support structure arranged around the grape plants is simple in structure, reasonable in cost and convenient to disassemble and reuse; the light-transmitting film arranged on the support structure can meet the photosynthesis requirement; the top structure comprises a water leakage opening capable of being closed, a water dripping guiding assembly, a water collecting assembly and a linkage assembly, the water collecting assembly is connected with the linkage assembly, the linkage assembly is connected with the water leakage opening, the water dripping guiding assembly is arranged on the inner side of the top structure, part of rainwater can be guided to drip into the grapes, and the purpose of controlled water supplementing is achieved.

The invention discloses a quick plugging method for coal mine floor drill hole water inrush, and belongs to the technical field of coal mine water disaster prevention and control. According to the method, the mode of combining long holes and short holes is adopted, the high-pressure grouting technology is adopted, the plugging material specially prepared according to the water inrush condition is prepared, and rapid and accurate plugging of the water inrush point is achieved; comprising the following steps: 1, drilling and positioning; 2, detecting a water inrush point; 3, preparing a plugging material; fourthly, high-pressure grouting is conducted; and 5, monitoring and evaluating the plugging effect. The method mainly aims at eliminating water leakage points of the bottom plate and blocking ordovician limestone hole gushing water, firstly, the short hole is adopted for blocking and treating the area, with the large water leakage amount, of the bottom plate, then the long hole is adopted for conducting full-hole blocking on the ordovician limestone drainage hole, and bottom plate gushing water is treated in a staged and step-by-step mode.

The invention relates to the technical field of seedling raising, and discloses a tobacco seedling raising device which comprises a water storage pond, a seedling raising pond, a water suction pump and a controller, the water storage pond is provided with a supporting block, the seedling raising pond is located above the supporting block, the seedling raising pond is provided with a plurality of water leakage holes, a water inlet pipe of the water suction pump extends into the water storage pond, and a water outlet pipe of the water suction pump extends into the seedling raising pond. The controller is in control connection with the water suction pump and used for controlling the switching time of the water suction pump. The device can realize alternation of wetting and drying, and the seedling quality is improved. The device is simple and easy to construct, has few components and is low in cost; root activity can be effectively promoted, invalid roots are reduced, healthy growth of tobacco seedlings is protected, and seedling raising efficiency is high. According to the device, leaked water naturally permeates, so that the use of water resources is reduced; and at high temperature, the water storage tank can cool the nursery pond, so that the cooling energy consumption is reduced. In addition, the device can be realized by utilizing a space structure, the structure is simple, and the device has the technical effects of cooling and high efficiency while the cost is reduced.