469results about "Soil drainage" patented technology

A modular porous swale. The modular porous swale may comprise a porous concrete block and filtration joint. The porous concrete block may snugly fit within a trench having a lower portion filled with an absorption media. The absorption media may include gravel, activated alumina, bone char, biochar, bone char and activated alumina mixture, and biochar and activated alumina mixture. The porous concrete block may have a top surface inwardly-sloped to a nadir. The filtration joint may be disposed within the porous concrete block and along the nadir. The liner may cover one or more sides of the porous concrete block. The perforated pipe may be located within the absorption media. The filtration joint may substantially align above a portion of the perforated pipe when the modular porous swale is installed within the trench.

The invention relates to the technical field of data processing, in particular to a rice field gate anti-clogging intelligent monitoring control method, which comprises the following steps of: acquiring multi-dimensional monitoring data of a gate at each monitoring moment in real time, and forming a multi-dimensional monitoring data sequence by the multi-dimensional monitoring data of the gate at each monitoring moment in each operation process; one gate operation process corresponds to one multi-dimensional monitoring data sequence; for any gate operation process, obtaining an optimized gate clogging coefficient of any gate operation process according to the multi-dimensional monitoring data sequence corresponding to any gate operation process; the method comprises the steps of obtaining an optimized gate clogging coefficient of each gate operation process, obtaining a gate clogging trend index by using the optimized gate clogging coefficient of each gate operation process, and carrying out gate clogging prevention intelligent monitoring control according to the optimized gate clogging coefficient and the gate clogging trend index of the current gate operation process. And early-stage, quantitative and trend monitoring of the clogging state of the gate is realized.

The invention discloses an ecological maintenance structure for the geological environment of a slope in a high-altitude freeze-thaw area, and belongs to the field of ecological restoration and water and soil conservation of slopes in high-altitude frozen soil areas. Comprising a side slope platform, a slope surface is integrally formed on the rear surface of the side slope platform, a plurality of drainage channels are integrally formed in the front surface of the slope surface, a plurality of sedimentation tanks are formed in the position, located in front of the slope surface, of the upper surface of the side slope platform, and the drainage channels communicate with the sedimentation tanks correspondingly; the two adjacent sedimentation tanks are communicated with each other; a water pumping mechanism is arranged on the right side of the side slope platform; an irrigation mechanism is arranged on the upper surface of the slope surface; the irrigation mechanism comprises a mounting box; the water flow speed is slowed down through the interval variable angle design of the drainage channel; the surface runoff can be rapidly guided through the 30-degree slope section, and frost heaving caused by accumulated water permeation is avoided; the 5-degree gentle slope section promotes natural sedimentation of silt by reducing the water flow speed, reduces water and soil loss and disperses hydraulic scouring.

The utility model discloses a saline-alkali soil improvement and drainage device which comprises an improved drainage assembly, and the improved drainage assembly comprises an improved box, a stirring shaft, a stirring motor, stirring rods and water permeable holes. The stirring motor drives the stirring shaft and the stirring rod to fully stir a soil conditioner and water, it is ensured that the soil conditioner can be evenly mixed in the water to form effective improvement liquid, the improvement liquid is accurately conveyed to the spraying head through the water suction pump to be evenly sprayed, the improvement liquid evenly covers the surface of saline-alkali soil, and the saline-alkali soil quality is improved. The contact area of the modifier and the soil is increased, so that the soil improvement process is accelerated, and the improvement effect and the efficiency and accuracy of improvement operation are improved; through the design of the water collecting tank, redundant water on the saline-alkali soil can be effectively collected and is automatically discharged through the water discharging pipe and the water discharging pump, the automatic water discharging system can keep smooth water discharging of the saline-alkali soil, salinization aggravation caused by water accumulation is prevented, and meanwhile the labor intensity of manual water discharging is reduced.

The invention relates to a debris flow gully slope protection structure, and relates to the technical field of water conservancy projects. Multi-stage counter-slope terraces are arranged on the slope surface of the debris flow gully slope from the bottom end to the top end, each terrace structure comprises a terrace surface, ridges and a terrace ditch which are arranged upwards at intervals along a contour line, each layer of counter-slope terrace is separated by using a mortar rubble retaining wall as the ridge, the terrace surface is covered with soil by using a slope native soil layer, and the terrace ditch is connected with the ridge of the next stage of terrace by adopting a mortar rubble material. The field surface has a reverse slope inclination angle of 5-10 degrees, and crops can be planted on the field surface. The field ditches are communicated with main drainage ditches on the two sides of the terrace along the contour line downwards, and metal gates are arranged at the joints to control water flow, are closed when water storage is needed and are opened when water drainage is needed. The structure can effectively reduce the material, construction and maintenance cost, has high debris flow resistance, can stabilize the debris flow channel slope, reduces the water and soil loss of the slope, plays a role in terrace water storage and drainage, and further protects and promotes the growth of crops.

The invention provides an urban green land runoff pollutant intercepting and discharging method and device, electronic equipment and a storage medium, and relates to the technical field of urban water environment governance, and the technical scheme is characterized in that real-time pollutant concentration data and water flow velocity field data collected by a monitoring node in a preset path are acquired; identifying a plurality of potential pollution source areas; calculating pollution source coordinates and a diffusion trend; a sequential control strategy for opening and closing the sewage intercepting valve is generated, the sewage intercepting valve is controlled to be opened and closed according to the sequential control strategy, and the sequential control strategy comprises relay flow guide parameters of adjacent valves; when the pollutant concentration data shows that the pollutant concentration exceeds a threshold value, the mobile emergency treatment unit is started according to a sequential control strategy, and multi-stage treatment of the polluted water body is executed. The urban green land runoff pollutant intercepting and discharging method and device, the electronic equipment and the storage medium have the advantages that dynamically changing pollution sources can be rapidly recognized and accurately positioned, and effective pollutant intercepting and treatment are achieved.

The invention discloses an arbor, shrub and grass-land and aquatic coordinated multilayer habitat transformation and restoration device and method. The device comprises a mobile vehicle body, a land restoration unit arranged on the mobile vehicle body and an aquatic organism putting unit connected with the mobile vehicle body; wherein the land remediation unit comprises a planting mechanism arranged on the mobile vehicle body; the planting mechanism comprises a lifting device connected with a bearing frame, a drill rod is arranged on the bearing frame, a water suction opening is formed in the lower end of the drill rod, a negative pressure pipe is arranged in the drill rod, and one end of the negative pressure pipe is communicated with a negative pressure drainage part; the output end of the first rotating device is in transmission connection with the negative pressure drainage part and further in transmission connection with the drill rod. Through cooperation of the land remediation unit and the aquatic organism putting unit, comprehensive remediation of an ecological system of a remediation area is achieved, when the planting pits are dug, the negative pressure drainage part pumps out accumulated water in the planting pits through the water suction openings and the negative pressure pipes, and it is prevented that the accumulated water influences follow-up seedling planting in the planting pits.

The invention discloses a movable flood drainage robot and a flood drainage method, and relates to the field of fire fighting equipment application. The movable flood drainage robot comprises track driving systems, a mounting frame is arranged between the track driving systems, a water pump is mounted at the top of the mounting frame, a water inlet is formed in one side of the water pump, and a soft water conveying pipe is arranged at the water inlet and connected with a movable water inlet pipe; the movable water pipe can be adjusted in height and rotated. By arranging the movable water inlet pipe capable of movably ascending, descending and rotating, the water pumping efficiency can be ensured, the situation that sludge, leaves and other impurities enter the water pump can be reduced, the movable water inlet pipe is adjusted to the position about 15-20 cm below the accumulated water liquid level through the lifting assembly, and the height of the movable water inlet pipe is synchronously reduced along with reduction of the liquid level; impurities floating on the liquid level are located above the movable water inlet pipe all the time and not prone to entering the water pump, when the movable water inlet pipe descends to the lowest working height, the movable water inlet pipe can turn over by 90 degrees to be perpendicular to the ground, and the impurities floating on the liquid level can be reduced and enter the water pump due to the filtering effect of the filtering assembly.

The invention relates to the technical field of agricultural water conservancy control, in particular to a high-standard farmland intelligent irrigation and drainage pump gate cooperative remote control method and system, and the method comprises the steps: generating a cooperative control instruction which restrains the power of a water pump and the opening and closing of a gate at the same time based on farmland water level information; establishing a conflict relationship between the response delay time of the water pump and the action delay time of the gate, and disassembling the cooperative control instruction into control sub-instructions for the water pump and the gate; when the soil under-saturation signal is continuously detected, the distribution adjustment control sub-instruction adjusts the output power of a water pump and controls the opening degree of an irrigation gate; when the water level overrun signal is continuously detected, the control sub-instruction is adjusted to control the opening degree of the drainage gate, and the output power of the water pump is reversely adjusted based on a backwater shock wave model triggered by the gate opening degree; the farmland water level information is detected in real time, and a cooperative control instruction is reconstructed. According to the invention, the problem of water level oscillation caused by misalignment of cooperative control of the water pump and the gate due to response time delay difference is effectively solved.

The utility model relates to the technical field of hydraulic engineering, in particular to an ecological hydraulic engineering slope protection device for hydraulic engineering, which comprises a side slope and a slope protection component, the slope protection component comprises a plurality of planting frames, a plurality of springback limiting units, a plurality of supporting units, an inclined plate and a pipeline, the side slope is provided with a plurality of grooves, the planting frames are positioned in the corresponding grooves, and the springback limiting units are positioned in the grooves. The planting frame is placed in the groove, supported by the supporting unit and limited and fixed by the rebound limiting unit, then soil is placed in the planting frame, vegetation planting is conducted, redundant rainwater flows into the groove through the drainage holes, then flows into the drainage groove through the drainage channel, is guided by the inclined plate and is drained out of the pipeline, and the rainwater is drained out of the pipeline. Therefore, excessive water content in the soil for planting the vegetation can be avoided, normal growth of the vegetation is guaranteed, and the water conservancy slope protection effect is improved.

The subject of the invention is a retention and seepage plastic box set (1). It is to be used as a spatial structure for the management of excess rainwater, or groundwater, being primarily embedded in the ground, including, in particular, under or along traffic routes, or omnidirectionally with respect to them, as well as with respect to other buildings. The retention and seepage plastic box set (1) composed of two half-elements (2) comprising the base grid (3) and at least six columns (4) drawn from each quarter of the base grid (3) of each half-element (2), a total of at least twenty-four columns (4) connected to the base grid (3) on the half-element (2), protruding approximately vertically from the base grid (3). The column (4) on the side located away from the base grid (3) has at its end either the first element (5) or the second element (6), with the first element (5) and the second element (6) having a matching shape with respect to each other capable of connecting adjacent half-elements (2) through the columns (4). The retention and seepage box set (1) has at least every three of the columns (4) belonging to laterally adjacent quarters on the base grid (3), and the columns (4) have the first element (5) in the first of these two adjacent quarters, and preferably the second element (6) in the second of these two adjacent quarters respectively, and the remaining columns (4) of both these quarters are devoid of at least the second element (6), with all columns (4) of each quarter remaining throughly empty in the middle, including the end of the column (4) located away from the base grid (3). The first element (5) is elastic and, being in the form of a clip (5') drawn from the side wall (9) of the end of the column (4), is, with a memory of its rest position, deformable centrally towards the axis (OS) of the column (4), and the second element (6) is a non-deformable catch (6') receiving the elastic clip (5') of the first element (5), drawn from the inner side wall (9) of the column (4).

The invention relates to the technical field of slope supporting construction of constructional engineering, and particularly discloses a redundant and safe reinforced soil structure and a construction method. Reinforced soil is of a multi-step structure and is constructed on a weathered rock foundation; the reinforced soil sequentially comprises a plain concrete foundation, multiple layers of integral steel-plastic geogrids, a graded broken stone drainage layer, a clay water-resisting layer, a waterproof geomembrane, a concrete sealing bottom and plain filling soil from bottom to top, and reinforced concrete panels are poured on the outer sides of the integral steel-plastic geogrids. A reinforced concrete foundation is arranged at the bottom of the reinforced concrete face plate, a cement soil cushion layer is laid at the bottom of the reinforced concrete face plate, drainage holes and pre-embedded steel tie bars are arranged in the reinforced concrete face plate, the pre-embedded steel tie bars and the whole steel-plastic geogrids are bundled up, and a gravel inverted filter bag is arranged in each layer of steel-plastic geogrids. The clay water-resisting layer and the gravel drainage layer are laid to achieve redundant safe water prevention and drainage, the construction period is controllable, and the manufacturing cost is relatively low.

To provide a connecting member for use in a corrugated pipe, which can shorten the time for assembly work and reduce construction costs.SOLUTION: The present invention relates to a connecting member formed by cylindrically shaping a corrugated sheet that is folded into a U-shape and has flanges formed at both ends, with the flanges overlapped. The connecting member is used for a corrugated pipe in which a plurality of through holes formed in an upper flange, which is located on an upper side, and a plurality of through holes formed in a lower flange, which is located on a lower side, are formed at intervals along the corrugation direction, and they are disposed at overlapping positions when the upper flange and the lower flange are overlapped vertically. The connecting member connects the upper flange and the lower flange in a region where at least two of the plurality of through holes are formed, with the upper flange and the lower flange being overlapped vertically.SELECTED DRAWING: Figure 6

The utility model discloses a coastal salt marsh land ecological restoration structure which comprises a saline-alkali soil layer, a drainage blind ditch is arranged on the saline-alkali soil layer, and a cobblestone layer is arranged in the drainage blind ditch. The saline-alkali soil layer is covered with the planting layer, the planting layer is arranged in a wave shape, a plurality of planting holes are formed in the planting layer, plants are planted in the planting holes, isolation layers are arranged between the plants and the planting holes, drainage channels are arranged below the planting holes, through holes are formed in the drainage channels, and the isolation layers and the drainage channels are communicated through the through holes; the blind pipe is arranged below the wave trough of the wavy planting layer, a first water pipe is arranged on the blind pipe, reverse filter geotechnical cloth is arranged between an opening of the first water pipe and the planting layer, and the blind pipe is connected with the drainage channel through a second water pipe. Compared with the prior art, the saline-alkali water can be prevented from backtracking, the survival rate of plant planting is improved, and ecological restoration of the coastal salt marsh desert land is facilitated.

The application discloses a semi-closed valley type dangerous waste flexible landfill site, a base, a slope and a garbage dam are enclosed to form a semi-closed valley type landfill site area, and the landfill site further comprises a roof, middle columns, side columns, an anti-seepage system, a leachate collection and drainage system and a groundwater drainage system; the roof is used for stopping rain on the upper part of the landfill site area; the middle columns are located in the landfill site area and used for supporting the roof; the side columns are located at the periphery of the landfill site and form an enclosure structure; the anti-seepage system is divided into a base anti-seepage system used for base anti-seepage, a slope anti-seepage system used for slope anti-seepage and a middle column anti-seepage system used for middle column anti-seepage; the leachate collection and drainage system is inserted in the base anti-seepage system and used for collecting and draining leachate; and the groundwater drainage system is located below the base anti-seepage system and used for draining groundwater. The application can greatly reduce leachate generation and effectively solve the problems of high leachate treatment operation cost and environmental pollution.

The invention discloses an ecological slope protection structure suitable for farmland construction in hilly areas and a construction method, and relates to the technical field of agricultural ecological slope protection engineering. The structure comprises a field ridge structure formed by tamping undisturbed immature soil in a layered mode, a water guiding and draining assembly buried below a plough layer, a slope protection reinforcement assembly laid on the surface of a slope, an anchoring assembly obliquely inserted into a slope soil body and a plant growth matrix layer covering the slope protection reinforcement assembly. And slope stabilization and ecological restoration are achieved through guide and drainage combination and the synergistic effect of reinforcement anchoring and vegetation restoration. The construction method comprises the steps of construction alignment, stepped construction, layered tamping and field ridge building and slope reinforcement anchoring construction. The method has the advantages of being high in anti-scouring capacity, good in drainage and humidity regulation effect and high in ecological restoration speed, and is suitable for hilly terrace farmland construction.

This utility model relates to the technical field of flood control and drainage equipment, and discloses a flood control and drainage device for filtering sand and gravel. It includes a filter box, with an inlet pipe connected through and fixedly connected to the top of one side of the filter box's outer wall. A base plate is fixedly connected to one side of the filter box's outer wall, and a motor is fixedly connected to the top of the base plate. A circular plate is fixedly connected to the output end of the motor, and a limit block is fixedly connected to the top of the circular plate. Two first support rods are slidably connected through and to one side of the filter box's inner wall. Each of the two first support rods has a first spring sleeved around its outer ring, and a first slide rail is fixedly connected to one end of each of the two first support rods. In this utility model, starting a water pump introduces water into the filter box through the inlet pipe. The circular rods continuously drive the first slide rails to move, and the movement of the first slide rails compresses the first springs, causing the filter plates to shake and dislodge the sand and gravel from their surface, thus improving drainage efficiency.

The application discloses a farmland drainage system, which comprises a water collecting well for collecting redundant water in farmland, a water pumping and draining system and a drainage pipeline, the water pumping and draining system comprises a solar-powered submersible pump, and the end of the drainage pipeline is connected with an open ditch; the system is characterized in that the system further comprises a siphon supplementary drainage system, the siphon supplementary drainage system comprises a siphon water inlet pipe and a water outlet combination device, the siphon water inlet pipe is connected with the drainage pipeline, and the water outlet combination device is arranged at the end of the drainage pipeline; the water outlet combination device comprises a water outlet adjusting device and a water tank, the water tank is fixed at the port of the drainage pipeline, and the drainage pipeline extends into the water tank; the water outlet adjusting device is sleeved outside the drainage pipeline and comprises a water tank water outlet cover which can move axially along the drainage pipeline, and the water tank water outlet cover is pressed at the opening of the water tank through a spring; when the water pressure of the drainage pipeline is enough, the water tank water outlet cover is pushed to move upwards to compress the spring, the water tank is opened, and water is drained.

To provide a drainage determination method which can reduce the burden of filling work with a hydrophobic material, efficiently form an underdrain, and eliminate the consumption of unnecessary hydrophobic material, thereby reducing wasteful costs.SOLUTION: A drainage determination method 60 can determines whether the drainage of the ground in a field is good or bad before a long culvert trench is formed in the field, and includes training data acquisition step S51, model generation step S52, N-value measurement step S61, first image for determination capturing step S62-1, input data for determination acquisition step S63-1, determination step S64, poor determination transmission step S65, hydrophobic material filling step S66, and closing step S67.SELECTED DRAWING: Figure 5

The utility model discloses a roof drain, and relates to the technical field of building drainage. The rainwater hopper comprises a water permeable hopper body and a top cover installed on the water permeable hopper body, water permeable holes are evenly distributed in the peripheral side of the water permeable hopper body, and the water permeable holes in the lower section of the water permeable hopper body incline upwards from outside to inside so as to effectively prevent soil loss.

The invention relates to a farmland irrigation and flood drainage system device and method, and belongs to the technical field of agricultural water conservancy. The device aims to solve the problems that farmland is prone to waterlogging and drought, and a traditional irrigation mode is low in efficiency. According to the technical scheme, the system comprises a long-distance large-diameter water conveying pipeline, a flood drainage pipeline communicated with the long-distance large-diameter water conveying pipeline, a flood drainage opening well arranged in a farmland and communicated with the flood drainage pipeline, an irrigation pipe network buried underground and an irrigation water supply system arranged in the flood drainage opening well. During flood, surface water is converged into the flood drainage pipeline through the flood drainage port well and finally drained into the long-distance large-caliber water conveying pipeline; in drought, the irrigation water supply system takes water from the long-distance large-diameter water delivery pipeline into the flood discharge port well, and then the water is pressurized by the water pump and delivered to the underground irrigation pipe network to irrigate roots of crops. The device integrates drainage and irrigation, achieves the purposes of keeping harvest after drought or waterlogging, saving water and energy, saving time and labor and achieving automatic operation, and has the functions of improving saline-alkali soil, integrally applying water and fertilizer and the like.

The utility model discloses a detachable drainer for a water conveying channel. The detachable drainer comprises a fixed outer cylinder, a partition plate, a filter cylinder and a water conveying inner cylinder, the fixed outer cylinder penetrates through a lining plate at the bottom of the channel slope, the first end of the fixed outer cylinder is located in the water conveyance channel, and the second end is inserted into the channel slope; the partition plate is located in the fixed outer barrel to divide a barrel cavity of the fixed outer barrel into a filtering cavity and a water conveying barrel mounting cavity, and an assembly hole is formed in the center of the partition plate; the filter cartridge is slidably arranged in the assembly hole in a penetrating manner, one end of the filter cartridge is closed and arranged in the filter cavity, the other end of the filter cartridge is arranged in the water delivery cylinder mounting cavity and extends outwards in the radial direction to form an annular limiting plate, and a water through hole is formed in the filter cartridge; the first end of the water conveying inner barrel is detachably connected to the partition plate, the annular limiting plate is pressed on the partition plate through a pressing piece, and a non-return flap valve is detachably installed at the second end of the water conveying inner barrel. The detachable drainer for the water conveyance canal is easy to detach, and silt in the drainer can be cleaned or parts in the drainer can be replaced.

The utility model relates to the technical field of ditches, and discloses a farmland water conservancy anti-seepage ditch which comprises a body, two mounting grooves are formed in the body, the body is provided with an anti-seepage plate through the mounting grooves, four positioning boxes are fixedly connected to the upper surface of the body, a control rod is rotationally inserted into each positioning box, and the control rods are fixedly connected to the upper surface of the body. And the outer circumferential surface of the control rod is in threaded connection with a threaded pipe. According to the irrigation and water conservancy anti-seepage ditch, by arranging a sealing strip and an anti-seepage groove, the anti-seepage effect of the ditch is promoted to be optimized, a control rod drives a threaded pipe to move in the rotating process, the inclined face of a positioning block can be promoted to extrude and position the arc face of a positioning plate, and the anti-seepage effect of the ditch is optimized; the anti-seepage plate is convenient to install, position or disassemble and maintain, the ditch is convenient to lay, the workload of workers is relieved, and the problems that an existing ditch structure is strenuous to lay or disassemble and maintain, and the workload of the workers is increased are solved.

The invention discloses a farmland ecological management system capable of reducing direct discharge and guaranteeing ecological safety and a control method. The farmland ecological management system comprises a farmland ecological management unit arranged outside a farmland, and a micro-ecological algae system, a plant planting system and an online monitoring system are arranged in the farmland ecological management unit; the micro-ecological algae system comprises shrimps, algae, hydrilla and a porous material which are arranged in the farmland ecological management unit, and the plant planting system comprises various plants planted at the edge of the farmland ecological management unit; the online monitoring system comprises a monitoring system and a monitoring system, the monitoring system is arranged at a water outlet of the farmland ecological management unit, and the monitoring system is arranged at a farmland water recession and flood discharge port; according to the system and the method, potential threats caused by storage stagnation and recycling of the farmland recession water are effectively solved, the biological diversity of a farmland ecological system is increased, and the aim of reducing direct discharge of the farmland recession water is achieved.

Disclosed are geotextiles configured for moisture management. In exemplary embodiments, a geotextile comprises a plurality of structural elements including one or more yarns, cords, or filament bundles arranged to form a fabric or grid. At least a portion of the structural elements include capillary-active surfaces and / or are configured to promote capillary wicking of moisture along at least one direction of the geotextile. At least a portion of the structural elements include internal void regions configured to maintain hydraulic conductivity under compaction. The geotextile is operable for providing dual-mode moisture transport through both capillary wicking and hydraulic flow thereby allowing for removal and redistribution of water from pavement layers and subgrade soils.

The utility model belongs to the technical field of non-point source pollution prevention and control, and discloses a ditch non-point source pollution intercepting device which comprises a mounting box, a cleaning mechanism and a base, the mounting box is a hollow cavity, the top of the mounting box is fixedly connected with a servo motor, the cleaning mechanism comprises two gears, the two gears are meshed, and the base is fixedly connected with the mounting box. The two gears are both rotationally connected to the inner wall of the mounting box, a rotating shaft of one gear is connected with the output end of the servo motor, the bottoms of the gears are fixedly connected with lead screws, the surfaces of the lead screws are in threaded connection with connecting plates, the two ends of each connecting plate are both fixedly connected with collecting grooves, and push plates are slidably connected into the collecting grooves. The top of the push plate is rotationally connected with a connecting rod. By using the material collecting box, after the material collecting box is full of pollutants, the pollutants in the material collecting box can be dumped by lifting the material collecting box, so that the problem that the material collecting box is difficult to clean is solved, and the use convenience of the device is improved.