232results 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 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 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 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 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 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.

This utility model provides a sunken integrated purification tank device for farmland drainage ditches, including a precast concrete box. A stainless steel grating is movably embedded in the upper left side of the precast concrete box. Bending plates are welded to the upper end of the stainless steel grating, and a pre-filter box is welded to the lower end of the stainless steel grating. Multiple first hydraulic cylinders, multiple second hydraulic cylinders, and multiple third hydraulic cylinders are respectively installed on the upper end of the precast concrete box. A first lifting cover plate is slidably embedded in the middle of the upper end of the precast concrete box. First fins are welded to the upper four sides of the first lifting cover plate, and a biological treatment filter box is welded to the lower end of the first lifting cover plate. This design solves the problems of low treatment efficiency, large footprint, and easy clogging of mechanical structures in the original farmland purification tank. This utility model uses a modular filter component and a sunken integrated purification tank with a quick-disassembly and maintenance structure to improve treatment efficiency and reduce maintenance costs.

To prevent or suppress alkaline water in an existing underground skeleton from flowing out into the ground from a backfill hole part penetrating an existing underground pressure-resistant panel.SOLUTION: The water drainage structure 100 includes a backfill foundation 110 constructed by backfilling an existing underground framework 10 surrounded by an existing underground external wall 12 and an existing underground pressure-resistant panel 14 and formed of a CO2 immobilizing glass 50 in which carbon dioxide is immobilized at least below a natural water level SS, a backfill hole portion 120 constructed by drilling the backfill foundation 110 and backfilling a pile hole 20 penetrating the existing underground pressure-resistant panel 14 and formed of the CO2 immobilizing glass 50 in which carbon dioxide is immobilized at least below the natural water level SS, and a pumping well 70 for pumping up underground framework water in the existing underground framework 10 flowing out to a foundation G from the backfill hole portion 120 penetrating the existing underground pressure-resistant panel 14 together with ground water by a pump 76 and draining the water on the ground.SELECTED DRAWING: Figure 1

The utility model provides vegetation shrubbing water conservation greening water -saving mould box, including base, water -saving box, rectangular support, carbon fiber rainwater collection module, soil, vegetation, drainage frame, primary drainage pipe, secondary drainage pipe and a plurality of shunt, the utility model relates to vegetation planting technical field, the water storage area of water -saving box has the water storage function, the plant of supplying soil planting in drought, and the drainage frame of water -saving box bottom and primary drainage pipe provide the discharge passage for the superfluous water of water saturation in water -saving box, and form the drainage channel of water to four sides through the setting of the drainage hole on the drainage frame inside flow guide unit primary side wall, can discharge the superfluous water amount in water -saving mould box fast, prevent the phenomenon of plant rotten root, avoid a position drainage influence surrounding plant growth, and the carbon fiber rainwater collection module is set up in water -saving box inside, improves the water storage and water supplement effect.

The utility model relates to the technical field of mine ecological restoration, and discloses an ecological drainage ditch for mine ecological restoration. The supporting plate is arranged on the inner side wall of the tank body, is positioned above the tank bottom and is provided with filtering holes; the ecological layer is mounted above the supporting plate, and plants are planted on the ecological layer; the overflow channel is arranged on one side wall of the tank body in a penetrating mode, the upper end of the overflow channel is located above the ecological layer, and the lower end of the overflow channel is located below the supporting plate; the baffle plate is arranged on the inner side wall of the tank body and used for selectively shielding the upper end of the overflow channel, and the baffle plate can open the upper end of the overflow channel by means of buoyancy of a water body. By arranging the overflow channel and the baffle plate, when water is accumulated, the baffle plate is automatically opened under the action of buoyancy, so that the water quickly enters the tank body through the overflow channel, the ecological layer is prevented from being scoured by the water, and the efficient operation of the drainage system is ensured.

The application relates to the technical field of bridge engineering and discloses a suspended bridge foundation structure arranged on the foot of a bank slope on the two banks of a river channel, which comprises a bored pile, a concrete backfill reinforcing platform, a bearing platform, a bridge pier, a slope protection structure and a wave blocking structure, the bored pile is arranged on the river beach of the foot of the bank slope, the concrete backfill reinforcing platform is arranged on the upper end surface of the river beach of the foot of the bank slope, a clamping groove is arranged on the outer side of the upper end surface of the concrete backfill reinforcing platform, the slope protection structure is arranged on the slope on one side of the bearing platform and the bridge pier and comprises a frame beam part and an anchor cable part, the wave blocking structure is arranged on the outer side of the upper end surface of the concrete backfill reinforcing platform and is clamped into the clamping groove at the lower end. The suspended bridge foundation structure of the application solves the problems that the foundation of the traditional suspended bridge is prone to landslides in rainy weather, flood and mud flow are prone to directly impacting the bearing platform, the foundation is damaged, there is no wave protection structure, the water flow directly impacts the foundation and the bank slope when the water flow of the river channel is large, and the stability of the foundation is threatened.

The utility model provides a farmland drainage filter equipment, including filter box, and the left and right ends of filter box are through and fixedly connected with water pipe, and the filter box is slidably connected with filter collection box, and the upper end of filter collection box is fixedly connected with two connecting plates, and the upper end of two connecting plates is fixedly connected with sealed slide cover, and the filter box is fixedly connected with fixed filter plate, and the filter box is slidably connected with cleaning push brush, this design has solved the farmland drainage filter equipment of original device, after long time use, filter screen is easy to be blocked, needs the user to take out its inside filter screen regularly and replaces or cleans, and it is time -consuming and labor -intensive in the process of dismounting, has increased the problem of labor intensity, the utility model discloses rational in structure, the practicality is good, and the user pushes out the soil and the blockage in the fixed filter plate inside through the rotation of rotary disc and drives the cam to push the cleaning push brush, reaches the purpose of dredging filter screen under the condition that does not need to take down the equipment.

The invention discloses a concealed pipe drainage and alkali reduction system for a saline-alkali land garden green land and a use method thereof, and relates to the technical field of garden transformation. Comprising a drainage pipe network and a drainage inspection well, the drainage pipe network comprises a water suction pipe and a water collection pipe which are made of polyethylene double-wall corrugated pipes, the water suction pipe can be wrapped by a filter layer, and the drainage inspection well is of a waterproof circular prefabricated concrete assembly type structure. The underground water level can be effectively controlled, soil salinization is reduced, a good growth environment is created for plants, the survival rate of the plants is increased, and meanwhile the maintenance cost can be reduced.