330results about "Soil drainage" patented technology

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 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 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 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.

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 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.

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 present invention discloses a construction method for improving the underground maintenance environment system of ancient trees near construction sites. The underground maintenance environment system for improving the ancient trees near construction sites includes planting soil on the ground of the ancient trees, a fence set around the ancient trees, a maintenance device connected to the planting soil, an operating terminal for controlling the maintenance device, and a drug pipe temporarily installed on the maintenance device. The present invention is beneficial to the ventilation of the roots of the ancient trees and the supply of water by setting the upper maintenance component; in addition, the setting of the maintenance through-hole can also facilitate the convenient construction of the drug pipe; the setting of the lower maintenance component is beneficial to ensure ventilation and water supply deep into the root system, achieving the purpose of efficient maintenance and positioning maintenance; the joint intelligent opening and closing of the maintenance upper cover, the maintenance lower cover and the maintenance connecting rod can greatly ensure refined management; the setting of the small air purifier and the control interface is beneficial to the self-control of a single maintenance device and the joint intelligent control of an ancient tree.

The utility model belongs to the technical field of slope protection, and provides a slope protection device which comprises a protection body. The multiple planting holes penetrate through the protection main body and are formed in the protection main body at intervals, so that the slope protection device can integrally form a net shape; the water and soil loss prevention mechanism is arranged in the planting hole and divides the planting hole into a first space and a second space which are communicated with each other, the first space is suitable for arranging plants, and the second space is suitable for keeping water and soil. The water and soil loss prevention mechanism is arranged in the planting hole to divide the planting hole into the first space and the second space, if rainwater enters the planting hole, due to the fact that the planting hole is arranged in a penetrating mode and the first space is also communicated, redundant rainwater can flow out of the planting hole, and the rainwater is prevented from being excessively gathered in the planting hole. Water and soil can be kept in the second space, so that rainwater can be prevented from washing away all soil in the planting holes.

The application relates to the technical field of soil remediation, in particular to a saline-alkali soil improvement system and an improvement method thereof. The system comprises an underground drainage unit, a horizontal pipe network of which can be moved to dynamically adjust the salt drainage layout; an above-ground irrigation and salt suppression unit, which adopts drip irrigation under the membrane and integrates the liquid amendment injection function; a soil information monitoring unit, which is used for distributed monitoring of multiple parameters such as soil salt content and humidity; and an integrated management platform, which receives monitoring data and intelligently controls the coordinated operation of irrigation, drainage and amendment application; the application realizes real-time sensing, intelligent decision-making and dynamic precise regulation and control of soil water and salt movement, solves the problems of fixed drainage layout, extensive regulation and control and non-durable effect in the traditional improvement technology, and significantly improves the efficiency and sustainability of saline-alkali soil improvement.

The invention provides an automatic drainage metering device for a saline-alkali soil concealed conduit. The automatic drainage metering device comprises at least one working unit. Each unit is provided with a concealed conduit assembly (comprising an upper irrigation concealed conduit and a lower drainage concealed conduit), a metering assembly (a plough layer sensor is used for measuring the water content of soil, and a phreatic layer sensor is used for measuring the water level of the drainage concealed conduit), a valve assembly (a drainage valve) and a local control device. A processing module of the local control device obtains data from the metering assembly and inputs the data into the neural network model to obtain prediction data, and then the valve opening degree is controlled. The device has the advantages that accurate drainage metering is achieved through the layered sensor, and the metering problem in the prior art is solved; the soil moisture trend is predicted by means of a neural network model, and the valve regulation effectiveness is improved.

The location of auxiliary drainage systems in a field is mechanically designed based on field preparation information. [Solution] The auxiliary drainage design method (S1) includes an acquisition step (S11) of acquiring the boundary line of the target field, a cut-and-fill construction map showing the extent of cut and fill of the field, and the location of the field's drainage outlet; a reference drainage line generation step (S12) of searching for the longest straight line from the drainage outlet location to the boundary line and generating it as a reference drainage line; a first auxiliary drainage line generation step (S13) of rotating the reference drainage line by a predetermined angle with respect to the reference drainage line centered on the drainage outlet location to generate a first auxiliary drainage line from the drainage outlet location to the boundary line; and a second auxiliary drainage line generation step (S14) of generating a plurality of second auxiliary drainage lines from the reference drainage line to the boundary line, taking into account the extent of the fill.

The utility model relates to the technical field of agricultural water and soil engineering, and discloses an agricultural water recession buffer structure which comprises a ditch, square short blocks are fixedly connected to the left side and the right side of the top of the ditch, a bidirectional threaded rod is rotationally connected to the middle of each square short block, and a plurality of cleaning brushes are in threaded connection to the outer wall of each bidirectional threaded rod at equal intervals. A square filter screen is fixedly connected to the interior of the ditch, a second gear is fixedly connected to the left end of the outer wall of the two-way threaded rod, a chain is installed on the outer wall of the second gear, a motor is fixedly connected to the left side of the outer wall of the ditch, a first gear is fixedly connected to the output end of the motor, and the first gear is in transmission connection with the second gear through the chain. According to the utility model, large impurities in water flow are cut and crushed through the blade long rod, so that the problem that irrigation and water return of crops are affected after the filter screen is blocked due to the fact that the impurities are continuously accumulated on the filter screen after the filter screen is used for a long time is solved.

The invention relates to a drainage device for agricultural land drainage, comprising a drainage pipe (2) and an outlet piece (1) connected thereto. The outlet piece (1) has a branch (3) to a first end section (4) and a second end section (5). The first end section (4) extends between the branch (3) and a closable first outlet (41). The second end section (5) extends between the branch (3) and a second outlet (51). The second end section (5) has a raised area (53) which, relative to the vertical direction, is positioned higher than the first end section (4) and the first outlet (41).

A drainage assembly module comprising a body formed from walls that define an enclosed fluid channel extending from an inflow end to an outflow end. The module also includes at least one support member extending from at least one of the walls and spanning the fluid channel. The module also includes a first locking mechanism disposed on at least one of the walls and located proximate to an opening at the outflow end, and a second locking mechanism disposed on at least one of the walls and located proximate to the opening at the inflow end. The opening at the inflow end of the fluid channel has a smaller cross-sectional area than the opening at the outflow end of the fluid channel. The shape of the first locking mechanism is configured to removably engage with a shape of the second locking mechanism.

The farmland water inlet and outlet valve port linkage control mechanism comprises a filter vat, a filter screen is installed in the filter vat, a first rotating shaft is rotationally connected to the filter screen in a penetrating mode, and a cleaning structure used for cleaning the filter screen is arranged on the outer wall of the first rotating shaft; the upper end of the first rotating shaft penetrates through the filtering barrel and is connected with a second rotating shaft through a chain wheel and a chain. According to the farmland water inlet and outlet valve port linkage control mechanism, through the arrangement of the filter barrel, the filter screen, the first rotating shaft and the cleaning structure, silt in water can be filtered and separated and returned to the field when the device drains water, water and soil loss caused by field water drainage is reduced, additional equipment such as a motor does not need to be carried for driving, and the cost is reduced. And additional energy source driving operation is not needed, the use cost is reduced, and energy conservation and environmental protection are achieved.

The utility model relates to the technical field of forest field erosion resistance, and discloses a forest field ditch anti-erosion reinforcing device which comprises a slope protection anti-loss net and a precipitation type connecting net, side line anti-turning strips are arranged on the two sides of the slope protection anti-loss net, the slope protection anti-loss net is laid in a forest field ditch in an attached mode, and the precipitation type connecting net is connected with the slope protection anti-loss net. The two sideline anti-overturning strips are arranged at the position of a forest field channel dam. According to the slope protection anti-loss device, the two sides of the slope protection anti-loss net are supported and fixed through the sideline anti-turning strips, the hoop inserting frames are fixed to the coupling buckles in a cuttage mode, the sideline anti-turning strips are fixed to the dam in a cuttage mode, water and soil erosion loss and inclination overturning are prevented, the precipitation type connecting net is matched with the cuttage fixing rod body, and the slope protection anti-loss net is stably fixed; and the two reinforced slope nets are correspondingly clamped and mounted at the hoop inserting frames, so that the dam is reinforced and heightened, the device is good in water and soil anti-erosion fixing effect, the slope height reinforcing capacity is good, and the erosion and scouring resistance capacity is excellent.

The invention relates to the technical field of purification laminated bricks, in particular to a gradient purification recession channel lining laminated brick based on a solid waste synergetic plant-growing fiber net and a preparation method thereof.The preparation method comprises the steps that S1, a surface filtering blocking layer, a middle multi-element adsorption layer and a bottom biodegradation layer are formed and then subjected to demolding treatment, and the upper surface of each layer of brick body is removed; the other surfaces are subjected to anti-seepage treatment; and S2, performing ball seaming splicing on the surface layer filtering retardant layer, the middle layer multi-element adsorption layer and the bottom layer biodegradation layer, and splicing the three layers of bricks into a whole ecological adsorption purification lining, thereby obtaining the gradient purification water return channel lining laminated brick based on the solid waste synergetic plant-growing fiber net. The method is suitable for preliminarily removing the composite pollutants in the drainage main canal of the yellow persimmon planting area in the Xinyuan Zhongzhong town in the Bayan Bayan County in Inner Mongolia, has higher representativeness compared with the composite pollution problems of nitrogen and phosphorus residues, pesticide residues, water body suspended matter adhesion and the like existing in other planted crops, and is also suitable for purifying irrigation drainage channels of other crops.