204 results about "Gravity flow" patented technology

The invention provides a foundation pit water gushing iron ore grading thixotropic blockage reduction method which comprises the steps that iron ore tailings are crushed and screened into multi-stage particle size particles, and a customized mold is subjected to 3D printing based on foundation pit scanning data; paving particles in a mold layer by layer, doping iron powder, and cementing and curing cement paste to form a prefabricated body; the prefabricated body is installed to a water gushing area, the slurry viscosity is increased through a grading contact network, a weak gravitational flow state is triggered to be transiently changed to an anti-scouring state, and water flow speed reduction is achieved; alternating field induction micro-vibration is synchronously started during lateral grouting, and grout permeation and bubble discharge are driven; after solidification, the guide core body is pulled away, and remaining pore channels are self-compacted by a grading system to form an anti-seepage structure. The method has the advantages that the anti-scouring performance is enhanced; particle-slurry-foundation pit curved surface triple self-adaptive combination is carried out; the engineering cost is reduced.

The invention provides a deep water gravity flow gas field reservoir water saturation earthquake prediction method based on TDCN-TransNet. The method comprises the following specific steps: a TDCN-TransNet network architecture comprises an input processing layer, a dual TWT position code, a TDCN module, a Transformer encoder layer and an output layer; mapping the features to a hidden dimension in an input processing layer through linear full connection; a dynamic Gaussian convolution kernel and a CBAM attention mechanism are embedded in the TDCN, and modeling of a nonlinear relation between an elastic parameter and saturation is enhanced through multi-scale time sequence feature extraction; tCBlock is integrated on a Transform encoder layer, and long-distance sequence dependence is captured by using attention pooling and an SE channel excitation mechanism; a TWT position code is introduced between the TDCN and the Transform, and sequence position information is enhanced; constructing a combined loss function of a mean square error and L2 regularization; finally, training and reasoning are conducted based on the model, and high-precision water saturation prediction is achieved. The method provided by the invention has high generalization and accuracy, and shows excellent prediction performance in a complex geological environment of a deepwater gravity flow reservoir.

The utility model discloses a road slope earth shoulder drainage system which comprises a water outlet piece, an earth shoulder vertical curb water blocking belt, a transverse drainage pipe assembly, a longitudinal drainage pipe and a base. The water outlet piece and the earth shoulder vertical curb water blocking belt are arranged on the edge of a highway pavement and used for collecting water in a centralized mode. The base is embedded in a side slope; the longitudinal drainage pipe is arranged on the base, and the longitudinal drainage pipe is longitudinally arranged in the advancing direction of a road; one end of the transverse drainage pipe assembly is connected with the water outlet piece and the earth shoulder vertical curb water blocking belt, and the other end of the transverse drainage pipe assembly is connected with the longitudinal drainage pipe. The longitudinal drainage pipe is provided with a plurality of sections, and the plurality of sections of the longitudinal drainage pipe are communicated with one another and finally communicated to a rain sewage outlet point. The drainage ditch is suitable for the conditions that drainage of a highway embankment drainage ditch arranged by utilizing gravity flow is unsmooth, natural water systems on the ground surface are deficient or land use is limited and the like; according to the utility model, fewer water outlet points of a natural water system can be reasonably utilized to form a complete drainage system.

The utility model relates to an open type sewage purification circulating device. The device comprises a sewage purification body (5) which is a container, the open type sewage purification circulating device comprises a plant purification layer (1), a water inlet pipe (8), a water outlet pipe (2), a circulating water tank A (3), a U-shaped groove (4), a circulating water tank B (9), a circulating water tank C (7), a water lifting pipe (11), a sewer pipe (12) and the like. The device used in the utility model is simple and easy to obtain, only needs to increase the circulating water body height (slightly higher than the duckweed purification device) in the operation process, the other processes are all realized by water body self-flow, the construction and operation cost is low, the management and maintenance are easy, the device is not limited by plant varieties, and the application of the plant purification device in water environment treatment is promoted.

The invention discloses a new-type barite deposit mineralization mode construction method based on a same sedimentary fault. The method belongs to the field of geological exploration and mineral resource prediction, and comprises the following steps: analyzing the earth crust cracking activity history of an earthquake-Hangjian broken basin, and recovering a basin'checkerboard 'structure prototype; by means of field geological survey and research, drilling engineering, geophysics, remote sensing geological big data and the like, north-east-east-direction and north-west-direction co-sedimentary fault networks are identified and modeled, and a deep metallogenic fluid rising and jet flow channel is determined; the metallogenic process is concluded into a hydrothermal jet flow stage and an underwater gravity flow deposition stage, deep fluid is revealed to rise, jet flow and precipitate along a fault, and an ore-rich zone of a composite seabed fan body group is formed; and a geochemical prospecting prediction model combining trace element and sulfur isotope characteristics is established. The method systematically clarifies a coupling mechanism of ore control of the same sedimentary fault, ore-forming fluid migration and gravity flow deposition, and provides a theoretical basis and a technical means for prospecting prediction of the barite deposit in the Hendan-Hangjian fault basin.

The invention discloses a rainstorm runoff flow limiting and overflowing impact resistance device and method, and belongs to the technical field of runoff non-point source pollution abatement. The device comprises a flow dividing well body and further comprises a water inlet, a flow limiting opening and an overflowing opening; by adopting a double-stage shunting mode of initial-stage interception and middle-later-stage overflow and combining the design of horizontal symmetrical distribution of the water inlet and the flow limiting port and vertical distribution of the overflow port and the water inlet, water flow can be guided to form a stable transverse flowing path, so that high-pollution rainwater is intercepted in the initial stage of rainfall by virtue of a gravity flow principle, and high-pollution rainwater is intercepted in the middle-later stage of rainfall. Clean rainwater is rapidly discharged through the flow limiting opening, so that the short-time heavy rainfall condition can be effectively handled, the flow dividing stability in different rainfall stages can be guaranteed, the impact load resistance of the device is greatly improved, the system overload risk caused by sudden flow change is reduced, and it is ensured that the efficient pollution treatment effect is always kept in long-term operation.

The invention discloses a high-precision two-component glue rapid quantitative conveying device which comprises a container, a controller and two conveying pipelines, and each conveying pipeline comprises a thick pipe assembly and a thin pipe assembly; the thick pipe assembly comprises a main liquid storage tank and a thick pipe, one end of the thick pipe is connected with the main liquid storage tank, the other end of the thick pipe is provided with a thick pipe liquid outlet located above the container, a thick conveying pump is arranged on the thick pipe, and a self-flowing section is arranged between the thick conveying pump and the thick pipe liquid outlet; the slim tube assembly comprises an auxiliary liquid storage tank and a three-way valve, the three-way valve is provided with a dropper, a liquid return tube and a liquid extraction tube, and one end of the dropper is provided with a liquid dropping port; one end of the liquid return pipe is communicated with the auxiliary liquid storage tank, and a fine conveying pump is arranged on the liquid return pipe; one end of the liquid pumping pipe is inserted into the self-flowing section; and a weight sensor is arranged below the container. According to the invention, when the thick pipe is used for fast large-flow conveying, non-dripping fast cutoff of the thick pipe can be realized, then high-precision dripping is carried out through the liquid dripping opening, and high-precision and fast quantitative liquid conveying is realized.

The present disclosure relates to a solid particle gravity conveying lock hopper device, comprising at least two structural units, and the structural units are connected in series two by two, each structural unit comprises a particle conveying area and a bypass area which are in communication with each other, the upper end of the particle conveying area is an inlet and the lower end is an outlet; the bypass area is free of solid particles and only has fluid flow, and the inlet and outlet of the bypass area are in communication with the particle conveying area, and the inlet of the bypass area is located below the outlet of the bypass area; the fluid comprises a first flow path and a second flow path, in the first flow path, the fluid flows from bottom to top in the particle conveying area and flows from the outlet of the particle conveying area to the inlet of the particle conveying area; in the second flow path, the fluid flows from the outlet of the particle conveying area to the inlet of the bypass area to flow in the bypass area, and the fluid flowing out of the outlet of the bypass area flows to the inlet of the particle conveying area. The lock hopper device can maintain the system pressure difference, reduce the gas flow, and reduce the equipment cost.

A water treatment system for a water reservoir comprises a collection box; a rotary drum filter arranged to receive gravity flow from the collection box through a receiving line; a primary bio-filter; a secondary bio-filter; one or more connecting lines originating at the rotary drum filter and comprising at least a first outlet line connected to the primary bio-filter and a second outlet line connected to the secondary bio-filter, the second outlet line comprising a pump; and a return line originating at the primary bio-filter and terminating at the water reservoir. The collection box has a bottom and sides defining an interior volume, and comprises a first water intake having a first riser; a second water intake having a second riser; and a third water intake having a third riser, each riser being disposed inside the interior volume and extend upwardly from the bottom of the collection box.

The invention relates to the field of titration experiments, in particular to an air pressure driven anti-blocking viscous aid titration device and method. The pneumatic-driven anti-blocking viscous aid titration device comprises a burette, a sealing cover and the like, and the burette is screwed with a sealing cover through threads. Through inert gas constant-pressure driving, viscous resistance is overcome, pipe wall adhesion is inhibited through gas pressure, the problem of blockage is avoided during continuous titration of an auxiliary agent, and compared with traditional gravity titration, the flow velocity fluctuation rate of the auxiliary agent is greatly reduced, so that the experiment batch difference is effectively reduced, and the experiment efficiency is improved. It is guaranteed that the auxiliaries stably flow out in the state of filling the outflow channel all the time under the condition of any discharging opening, and the problems that under the condition that an existing valve is small in opening, the auxiliaries flowing out by means of gravity cannot flow out in the state of filling the outflow channel, and then part of the auxiliaries adhere to the inner wall of the channel in the outflow process and cannot flow out in time are solved. And the flow rate fluctuation rate of the auxiliary agent is large.

The invention discloses a method for determining a black shale material source carrying path, and relates to the technical field of shale oil and shale gas exploration and development engineering. According to the method, the contents of clay minerals and feldspar are specially selected to be combined with the granularity of shale particles to establish a series of plane contour maps, and through superposition of the plane contour maps, a carrying path with siliceous clastic rock as a main material source, a carrying path with carbonate rock as a main material source and a carrying path of gravity flow are judged; and the carrying path of the black shale of the target layer series in the research area is determined through superposition of the carrying paths. According to the method for determining the carrying path of the black shale material source, the ancient landform of the sedimentary basin can be effectively recovered, an important means is provided for optimization of a favorable shale oil and gas exploration and development area, and then the success rate of well drilling can be effectively increased.

This invention relates to the field of marine lubricating oil technology, providing a marine lubricating oil cooling system and a vessel suitable for low-temperature environments. The aforementioned marine lubricating oil cooling system for low-temperature environments includes: an oil tank, a cooler, an ejector pump, a gravity flow generator, a pump, and a lubricating oil user. The oil tank, cooler, ejector pump, and lubricating oil user are sequentially connected to form a lubricating oil circulation loop. The cooler has a shell side and a tube side, one of which is connected to the oil tank, and the other is connected to the gravity flow generator. The pump inlet is connected to the oil tank, and the pump outlet is connected to the ejector pump. By incorporating the oil tank, cooler, ejector pump, lubricating oil user, and pump, this marine lubricating oil cooling system allows the vessel to utilize the pumped lubricating oil as a medium for ejecting and cooling when navigating in polar low-temperature seawater environments. Furthermore, the lubricating oil user can heat the lubricating oil during the circulation process, ensuring a stable lubricating oil supply.

The application relates to the technical field of ecological environment engineering, and discloses a modular rain flood resource deep purification and underground storage integrated device, which comprises a radial shear purification module, a hydraulic closed locking assembly and a spiral push flow storage module which are coaxially and communicatively arranged from top to bottom; the radial shear purification module comprises a first shell, a composite filter material layer filled in the first shell, an inverted funnel-shaped flow guide cover arranged above the composite filter material layer and a central siphon assembly, a horizontal annular flow channel is formed between the lower edge of the inverted funnel-shaped flow guide cover and the upper surface of the composite filter material layer; the spiral push flow storage module comprises a second shell and a spiral flow guide plate arranged in the second shell. Through cooperation of the inverted funnel-shaped flow guide cover and the central siphon assembly, vertical gravity flow during cleaning is converted into horizontal radial converging flow along the filter material surface, the integrity of a biofilm structure is maintained, and long-term stable operation of the filter layer can be realized without external power.

The invention relates to a method and a system for conveying electrolyte in a flow battery and a flow battery operation method. The electrolyte delivery system provided by the invention comprises three electrolyte storage tanks which are sequentially connected in series, the internal pressures of the three electrolyte storage tanks are respectively normal pressure, variable pressure and low pressure, the delivery method realizes self-circulation of the flow battery system through two times of gas phase pressure equalization and gravity flow of the electrolyte, and the self-circulation of the flow battery system is realized under the condition that an electrolyte delivery pump is not used. The problem of electrolyte leakage caused by sealing failure of a galvanic pile in a traditional flow battery is effectively avoided through a suction type electrolyte conveying mode; and meanwhile, an electrolyte circulating pump is not used, so that the problems of maintenance and the like of the pump are avoided, and long-period continuous operation of the flow battery system can be realized under the condition that a standby pump does not need to be added, so that the safety and the stability of the system are effectively improved.

The application discloses a double-driven bulk material conveying system and a gravity flow energy storage system and method thereof, and relates to the technical field of conveying equipment. The double-driven bulk material conveying system comprises a bearing structure, a traction structure, a conveying structure, a driving device, a first turning structure, a second turning structure and a stockyard; the bearing structure comprises a bearing ring body for bearing a carrier vehicle; the first turning structure and the second turning structure comprise a winding drum and a turning wheel; the driving device drives a traction rope of the traction structure and a conveying belt of the conveying structure to rotate synchronously in a first direction, and then drives the carrier vehicle of the conveying structure to move synchronously with the bearing structure and the conveying belt. The double-driven bulk material conveying gravity flow energy storage system comprises the double-driven bulk material conveying system. The energy storage method is suitable for the double-driven bulk material conveying gravity flow energy storage system. The double-driven bulk material conveying system and the gravity flow energy storage system and method thereof are provided to solve the technical problems of excessive running resistance and low carrying efficiency in the conveying process of bulk materials in the prior art.

The application discloses a gravity flow drainage pipe network dynamic water quality simulation and prediction coupling model method, belongs to the field of intelligent water management, and particularly relates to dynamic water quality transformation simulation and prediction in a gravity flow drainage pipe network. The application discloses a gravity flow drainage pipe network dynamic water quality simulation and prediction coupling model method, belongs to the field of intelligent water management, and particularly relates to dynamic water quality transformation simulation and prediction in a gravity flow drainage pipe network. The application discloses a gravity flow drainage pipe network dynamic water quality simulation and prediction coupling model method, belongs to the field of intelligent water management, and particularly relates to dynamic water quality transformation simulation and prediction in a gravity flow drainage pipe network. The application discloses a gravity flow drainage pipe network dynamic water quality simulation and prediction coupling model method, belongs to the field of intelligent water management, and particularly relates to dynamic water quality transformation simulation and prediction in a gravity flow drainage pipe network. The application discloses a gravity flow drainage pipe network dynamic water quality simulation and prediction coupling model method, belongs to the field of intelligent water management, and particularly relates to dynamic water quality transformation simulation and prediction in a gravity flow drainage pipe network.

The invention relates to the technical field of process control, in particular to an automatic rainwater collection and reuse process management system and method, and the system comprises a rainfall load dynamic evaluation module, a runoff drainage path optimization module, a reuse flow collaborative scheduling module, an operation energy efficiency modeling module and a reuse process feature output module. According to the method, the deposition distribution of the solid-liquid two-phase flow is deduced based on the water flow shear force and the dynamic energy dissipation rate, the runoff drainage path is optimized, the momentum peak value is captured, the flow state evolution precision under the rainfall impact is improved, the hydraulic slope fall of the gravity flow and the pressure flow is analyzed, and the water head loss sudden change section caused by pipe diameter shrinkage and the elbow is checked; the eddy current energy consumption accumulation effect caused by water pressure pulsation and turbulent flow surge is accurately mapped, the anti-scouring and anti-resonance hydraulic stable window period is extracted, the synchronous cooperative response safety of multiple valve sets of an executing mechanism is enhanced, pipe network cavitation and cavitation erosion and water hammer oscillation abrasion are reduced, and it is ensured that water pump transmission is efficient and stable.

This invention discloses a method for constructing a "sponge" mining area in the subsidence zone of underground mining. It fully utilizes the large surface subsidence space caused by mining operations to purify, store, and utilize mine water resources, and restore the mining area's ecology. The method involves horizontally dividing the subsidence space into "purification-storage-utilization" functional zones and vertically reconstructing the soil into "isolation-conservation-nurturing" functional zones. Horizontally, the surface subsidence basin is divided into three water resource functional zones: a water purification zone, a water storage zone, and a water use zone. The water purification zone is located upstream of the gravity flow of mine water at the edge of the subsidence basin; the water storage zone is located in the center of the subsidence basin; and the water use zone is located downstream. This method not only restores mine land resources but also achieves multiple objectives, including improving the water environment, conserving water resources, restoring the aquatic ecosystem, ensuring water security, and utilizing water resources.

The utility model discloses a water-cooling self-gravity flowing device which is applied to the field of plastic production, a filter screen is arranged in a water tank to filter cooling water, the quality of the cooling water is guaranteed, a shifting block is moved to enable a sliding rod to drive a toothed bar to move, a transmission gear drives the other toothed bar to move to enable the other sliding rod to move, and the water-cooling effect is improved. The sliding rod moves to drive the clamping head to move, the clamping head moves to enable the clamping head to be disengaged from the clamping hole, the cover plate is taken down, and the filter screen is taken out for maintenance, so that the filter screen is convenient to maintain. A second bevel gear rotates to enable a rotating pipe to drive a stirring pipe to rotate, cooling water is lowered, a fixed pipe is inflated by an air pump, air enters the stirring pipe through the rotating pipe and is sprayed out from an air spraying hole, and the cooling water is cooled, so that the purpose of cooling the cooling water can be achieved, the cooling effect is guaranteed, and the cooling device is convenient to use.

The invention provides a water hammer protection method suitable for a pumping station pressurization and gravity flow combined water delivery system, which comprises the following steps of: designing the pumping station pressurization and gravity flow combined water delivery system which comprises an upper reservoir, a water pump, a pump rear valve, an air tank, a high-level water tank, a plurality of groups of pressure reducing valve energy dissipation box combinations, a flow regulating valve and a lower reservoir; and when the water pump suddenly generates a pumping power-off accident, the pump rear valve, the pressure reducing valves and the flow regulating valve are controlled according to the action strategy, so that the pump rear valve, the pressure reducing valves and the flow regulating valve act according to the action strategy, and water hammer protection is achieved. According to the method, the water hammer protection problem of the pressurization section and the gravity flow section of the pump station is solved, the pipeline safety of a complex water conveying system can be effectively protected, meanwhile, the arrangement method of the pressure reducing valve and the energy dissipation box is provided, the reasonable action rule of all the valves is provided, and engineering design can be directly guided.

The utility model provides an ultra-high molecular weight polyethylene powder additive adding device which comprises an exhaust fan, an additive feeding hopper, an additive storage bin, a weightlessness scale and a powder rotary valve, a powder additive is added through a feeding port in the upper portion of the additive feeding hopper, and an exhaust port is formed in the top of the additive feeding hopper. An exhaust fan is arranged on the side of the additive feeding hopper, the exhaust fan is started during feeding so as to prevent the powder additive from flying out, and extracted gas is exhausted through the exhaust fan; the powder additive flows into the additive storage bin through a pipeline at the bottom of the additive feeding hopper by virtue of gravity; a powder additive enters a powder weightlessness scale through a pipeline at the bottom of the additive storage bin, the adding amount of the powder additive is measured through the powder weightlessness scale, and the powder additive is conveyed to a rotary valve through a discharging screw. The powder additive is added into an ultra-high molecular weight polyethylene powder air conveying system pipeline from the bottom of the rotary valve, and it is guaranteed that the powder additive and the ultra-high molecular weight polyethylene powder are fully mixed.

The integrated prevention and treatment method of the burned rock water disaster of the present application proposes the concept of combination of resistance and permeation and advanced active prevention and treatment, breaks the thinking stereotype of traditional coal seam roof water disaster independently relying on water drainage and full section curtain interception, and creates a new concept of active comprehensive prevention and treatment of dynamic supply interception, drainage and dry static reserves, and combined use of local bypass flow. The problems of multiple solutions of geophysical prospecting and limitations of drilling are scientifically solved, and for the first time, the fine quantitative delineation of the strong water-conducting burned rock zone is realized from two-dimensional range to three-dimensional water-rich structure. A gravity drainage of an inclined borehole, a roadway catchment, and a gravity flow of a catchment channel form a passive underground water drainage link. The difficulty of drainage and dryness in treating the burned rock water disaster is reduced, and due to the use of the passive underground water drainage link of the gravity flow of the catchment channel, the cost is further reduced. The collected clean water flows into the external clean water warehouse, realizes repeated use, reduces resource waste, and is suitable for large-scale use and promotion in the field of coal mine water disaster prevention and treatment technology.

The invention belongs to the technical field of spraying processes, and particularly relates to a process method for spraying a protective coating on the surface of an optical transparent part, which reduces the initial construction viscosity and reduces the probability of flow mark generation. According to the defect that a protective coating is prone to generating flow marks and defects in a curvature transition area, an overall curtain coating construction process is creatively adopted for an optimized low-viscosity coating, a process thought of'flood irrigation 'is adopted for curvature positions where defects are prone to being generated, the defects generated in the construction process are scoured by utilizing the gravity flowing characteristic of the coating, and therefore the defects generated in the construction process are washed away. A uniform and continuous liquid film is formed on the surface of the optical transparent part; the process step of secondary curtain coating is introduced, the secondary curtain coating process at the interval of 6 hours is determined by further exploring the window period of the coating, and through comprehensive verification, the optimized process greatly improves the optical performance of the protective coating, and key performance indexes such as optical distortion and angular deviation all meet the use requirements. And meanwhile, the wear resistance of the surface of the optical transparent part is very excellent.

This utility model relates to the field of zucchini seed processing technology, specifically disclosing a stirring device for zucchini seed processing, including a mounting frame and a drum with a feeding port. Steering columns are rotatably connected to both the front and rear sides of the inner wall of the mounting frame, and a connecting cylinder is fixedly connected between the two steering columns. A bearing is fixedly connected through the left end of the connecting cylinder, and a turntable fixedly connected to the left end of the drum is fixedly connected inside the bearing. A support ring is fixedly connected to the inner wall of the connecting cylinder. Material is directly fed into the drum through a feeding hopper, and after completion, it returns to a horizontal position, achieving rapid alignment and filling, preventing material spillage, and significantly improving feeding efficiency and ease of operation. During unloading, the drum is tilted at a certain angle by reverse drive, and the internal material automatically slides out of the feeding port along the inner wall. Combined with the drum's rotational inertia, the material is accelerated to empty. Through the synergistic effect of gravity flow and angle adjustment, residue-free unloading is achieved, eliminating the need for manual cleaning, simplifying the process, and improving discharge stability.

The application provides a plasmid DNA extraction kit based on an anion exchange column and application thereof, and relates to the technical field of biology.The plasmid DNA extraction kit based on the anion exchange column comprises an anion exchange column, a lysis buffer group, a balance buffer, a washing buffer and an elution buffer; the anion exchange column comprises a solid-phase extraction empty column, upper and lower sieve plates arranged on the inner side of the empty column and located at the bottom of the empty column, and an anion exchange ligand filled between the upper and lower sieve plates; the anion exchange ligand comprises diethylaminoethyl dextran gel DEAE-A50 and diethylaminoethyl cellulose DE52.The application uses domestic fillers and optimizes the ratio of the fillers as the anion exchange ligand, the cost of which is only 1 / 20-1 / 40 of that of imported products, and the operation time and labor intensity are saved through the gravity flow purification process, and the obtained plasmid has high yield, and the transfection effect is equivalent to that of commercially available kits.

Disclosed herein is a fluid sample collection system including a diversion valve, a spring and a collection canister. The diversion valve includes a diversion valve housing, the diversion valve is configured to receive a volume of fluid from a first fluid line and direct the volume of fluid to either a collection canister below the diversion valve using a collection channel or to a second fluid line using a passage channel. The collection channel is located below the passage channel. The spring is coupled to the diversion valve, and configured to transition the diversion valve between a collection state and a passage state. The collection canister includes a collection canister opening. The collection canister is configured to receive the volume of fluid by gravity flow and is coupled to the diversion valve by a fluid channel.

This invention discloses a solid gravity flow transport energy storage device and system, including a transport track with a low-altitude section, a high-altitude section, and an inclined section; gravity energy storage elements, movable on the transport track, and equipped with a chassis rack; and an electro-kinetic energy conversion mechanism, arranged along the transport track, including gears that mesh with the chassis rack. The electro-kinetic energy conversion mechanism is energized and moves, driving multiple sequentially abutting gravity energy storage elements to continuously push them from the low-altitude section to the high-altitude section along the inclined section through the meshing of the gears and chassis rack; or, multiple sequentially abutting gravity energy storage elements move from the high-altitude section to the low-altitude section under gravity, causing the chassis rack and gears to mesh, thus driving the electro-kinetic energy conversion mechanism to convert mechanical kinetic energy into electrical energy. This invention solves the problems of existing technologies using transmission methods that cannot prevent dust, resulting in large energy losses and low efficiency.

The utility model discloses a water outlet structure which comprises a kettle body and further comprises a gravity water falling assembly arranged below the kettle body, the gravity water falling assembly comprises a water falling pipe, the projection of the water falling pipe to the central axis of the kettle body is arranged in the gravity direction, and the water falling pipe comprises an upper water inlet hole and a lower water outlet hole. By directly arranging the downpipe and the switch structure for cutting off water flow in the downpipe, when the water flow in the downpipe is cut off, liquid in the downpipe flows out under the action of gravity, that is, except the liquid in the kettle body and the water inlet communicated with the kettle body, the water flow in the downpipe is cut off, and the water flow in the downpipe is cut off. And no liquid is left in the other downpipes or other parts, so that zero water aging of the water outlet container is realized.

This invention proposes a siphon-assisted drainage device and method for urban flooding in the field of water conservancy. It includes a flow pump, an energy tank, an underground water collection tank, a check valve, a siphon pipe, and a siphon self-control valve. The siphon pipe inlet starts from the underground water collection tank, passes through the road surface, slope, and then crosses the upper part of the river embankment, spans the pedestrian walkway, and enters the riverbed through a siphon riser. The outlet is connected to the siphon self-control valve. The underground water collection tank is located below the road surface, and its upper part is equipped with a check valve that automatically closes when full. An energy tank is also located at the top of the underground water collection tank. When water accumulates on the road surface, the flow pump is activated to pump water into the energy tank. A level difference exists between the energy tank and the top of the siphon pipe, creating gravity flow. When the water flows to the siphon self-control valve, the outlet automatically closes, allowing water to exit but preventing air from entering. This creates a closed space in the siphon pipe system, where high-level gravity flow and high-level siphon flow are generated simultaneously under the influence of gravity flow. This method is suitable for application as a siphon-assisted drainage device and method for urban flooding.