21 results about "Shallow water area" patented technology

The application discloses a kind of oyster reef repair methods based on plant material construction attachment matrix, it is related to the technical field of coastal zone ecological restoration.The repair method includes the following steps: S1, selecting plant material, the stem of salt marsh plant is the plant material;S2, the plant material is cut into segments and pretreated, and an attachment matrix assembly is prepared;S3, a plurality of the attachment matrix assemblies are tied and connected to form an attachment matrix unit, the attachment matrix unit is arranged in a matrix, is vertically fixed on the surface of a bearing member, and forms a deployable matrix structure unit;S4, the matrix structure unit is laid in the target repair area, and is fixed to the base by anchoring assembly.The plant material of the application maintains structural durability during the oyster attachment period, and is completely degraded naturally in the later period;It reduces the dependence on hard artificial matrix, has a wide source of materials, is easy to construct, has remarkable repair effect, and is suitable for oyster reef repair in intertidal zone or shallow water area and other areas where natural attachment matrix is lacking.

The application provides a large caisson offshore long-distance floating towing multi-tugboat towing marshalling method, which adopts a main tugboat and four auxiliary tugboats to form a formation; the main tugboat is located at the front of the formation to pull the caisson, and the auxiliary tugboats are distributed around the caisson to control the direction and posture of the caisson through pushing or side towing; the method includes four-stage marshalling conversion: from leaving the dock to the shallow water area, the main tugboat is hoisted and towed in cooperation with 2-4 auxiliary tugboats to control the range of the caisson through side towing and pushing; from the shallow water area to the deep water area, the main tugboat is hoisted and towed in the front, one auxiliary tugboat is stably towed in the rear, and the remaining auxiliary tugboats are on standby; from the deep water area to the shallow water area, the main tugboat is hoisted and towed in cooperation with the auxiliary tugboats on both sides through mixed marshalling of side towing and pushing, and the rear auxiliary tugboat is pushed; from the shallow water area to the bridge position, the four auxiliary tugboats are converted to push the caisson on both sides, and the main tugboat is released and leaves; through the multi-tugboat stage-by-stage cooperation, the method realizes the accurate control and safe positioning of the large caisson offshore long-distance floating.

The utility model belongs to pipeline detection technical field discloses a kind of multifunctional pipeline detection robot, the robot is made of two independent cabin bodies connected by connecting chain, and cabin body adopts light material.It has the advancing function of shallow water area gyro wheel advancing and deep water area fan driving, and video, radar, laser and sonar detection function.In shallow water area, gyro wheel is controlled by independent motor to realize flexible steering;In deep water area, robot relies on cabin body to float, and fan motor drives fan to push robot forward and turn around.Various detection devices work cooperatively, and detection data is transmitted to remote work platform in real time through cable, converted into required data type, to provide comprehensive basis for pipeline condition assessment, effectively improve the efficiency and accuracy of pipeline detection.

This utility model relates to a bird control device for herbivorous birds in river and lake ecological restoration areas, comprising a boundary bird-proof cover net and a bird-proof vertical net. The boundary bird-proof cover net is continuously laid along the boundary of the ecological restoration area, with a width of 10-50m. The net surface curves upward from one end near the boundary of the ecological restoration area towards the center of the ecological restoration area, forming an angle of 30±5° with the water surface. The net surface has a diamond-shaped mesh of 3cm-10cm and a light transmittance of ≥85%. The lowest point of the boundary bird-proof cover net is 10-20cm above the water surface. The bird-proof vertical net is set within the area enclosed by the boundary bird-proof cover net, and includes several net bodies with their surfaces perpendicular to the water surface. The upper end of the net body is 0.5-1.5m above the water surface, and the lower end of the net body is 0-30cm above the water surface. The total length of the bird-proof vertical net extending parallel to the water surface is 150-300m / hm. 2 This invention effectively controls the grazing of herbivorous birds while maintaining the water's light transmittance and ecological connectivity. It does not actively harm birds, is more in line with environmental protection and animal welfare principles, does not affect the growth of aquatic plants in shallow water areas, and meets the needs of long-term management.

The application provides a kind of seabed pipeline nearshore landing section shallow water area post-ditching construction method, and belongs to the technical field of marine engineering construction. In view of the technical problems that the existing pre-ditching method and the conventional post-ditching method are difficult to implement in the shallow water area with a water depth of 2m to 6m in the nearshore landing section, the application uses the pipe-carrying barge retained in the construction site after the pipe-laying operation as a shallow post-ditching operation platform, establishes a four-point tension composite balance positioning system composed of two shore-side winches, a pipe-laying ship and an auxiliary tug, divides the post-ditching operation area into multiple construction sections, starts the cyclic operation from the first construction section, drags the pipe-carrying barge to the starting position of the current construction section through the four-point tension composite balance positioning system, lowers the post-ditching equipment through the hoisting equipment to perform the post-ditching operation, drags the pipe-carrying barge to the next construction section after completing the current construction section, and finally completes all the construction sections. The application is mainly used for the post-ditching burying construction of the seabed pipeline in the shallow water area of the nearshore landing section.

This application discloses a method, device, and storage medium for generating vertical grids suitable for complex terrain, relating to the field of fluid numerical computation technology. The key technical points are: the method includes: acquiring topographic elevation data of the target terrain region; generating planar triangular or quadrilateral grids based on the topographic elevation data; defining the control water depth and grid layer number for several terrain feature control points; determining the critical water depth between deep and shallow water areas; calculating the characteristic values ​​and elevation values ​​of each grid point; performing local vertical subtraction to generate a series of characteristic values ​​and elevation values; and generating the vertical grid of the target terrain region based on the series of characteristic values ​​and elevation values ​​of each grid point. This generation method can adapt to complex underwater terrain and allocate appropriate vertical grid layers in deep and shallow water areas respectively, satisfying the requirements of vertical resolution while improving model computational efficiency and accuracy.

The application discloses a shallow-water movable drilling platform system, which comprises a floating body module, a support module and a drilling machine lower module. The floating body module is located at the lowermost part of the system, and is internally provided with a plurality of groups of ballast tanks and is provided with a U-shaped notch at the end. The support module is installed above the floating body module. The upper part of the support module is provided with the drilling machine lower module, a bulk material processing module and a drilling auxiliary module. The bulk material processing module is located between the drilling machine lower module and the drilling auxiliary module. The upper part of the drilling machine lower module is provided with a derrick system. The upper part of the drilling auxiliary module is sequentially provided with a living module and a helicopter deck. The system is moved by the whole towing mode, and does not need to disassemble and assemble the equipment. The derrick system can realize multi-well position operation without moving the platform through the up-down sliding device. The system is suitable for shallow water areas such as rivers and lakes, and has high operation efficiency and strong adaptability.

This application relates to the field of experimental water tank technology, specifically disclosing a gradient-adjustable lifting base for a combined deep-shallow water tank, comprising: a base body and an independent drive mechanism; the base body is vertically and vertically mounted within the deep water tank and located at the boundary between the deep and shallow water tanks; the independent drive mechanism is connected to the base body and is used to drive the base body to rise and fall; the base body can buffer the impact of waves on the boundary of the shallow water tank during the transmission of waves from the deep water tank to the shallow water tank. In this solution, the base body can rise and fall independently to adjust the topographic gradient between the deep and shallow water tanks, adapting to the real topography of the gentle gradient from deep to shallow water in the natural ocean, improving the validity of experimental data; in addition, the base body can avoid the situation of a sudden decrease in depth from the deep water tank to the shallow water tank, reduce the impact of waves on the boundary of the shallow water tank, improve the realism of the simulation, and extend the service life of the water tank.

The utility model discloses a water conservancy cable device, including first fixed pile, rope and second fixed pile, and one end of rope is connected with first fixed pile, and is obliquely arranged at the bank of river, the water conservancy cable device still includes tensioner and spring, and rope, tensioner, spring and second fixed pile are connected in proper order. The sundries such as wood move downward along with water flow, and the sundries such as wood are subjected to the force of rope by the oblique arrangement of rope at the bank of river, move along rope, until the shallow water area of the included angle between rope and bank, gather and collect. As the shallow water area of bank is shallow, it is easier to salvage the sundries such as wood. After the impact of the sundries such as wood on rope, the spring is elongated, and the rope is bent and expanded. When the impact disappears, the spring is contracted, and the rope returns to normal state, avoiding the breakage of rope by the sundries such as wood. The tensioner is used for adjusting the tension degree of rope, and is favorable for the movement of the sundries such as wood to shallow water area along the direction of rope.

The utility model discloses a swimming pool semi-submersible lifting platform relates to semi-submersible lifting platform technical field, its characterized in that, including: swimming pool, its inside includes no slope shallow water area, shallow water area with slope and deep water area, diving platform is set up in the swimming pool, is installed in one end of the swimming pool, semi-submersible floating platform is set up in the swimming pool, a group of support platform is set up in shallow water area with slope, and fixed connection swimming pool, PVC height layer is installed in shallow water area with slope region, and the PVC height layer is provided with the recess that matches a group of support platform. The utility model wants to solve the technical problem and provides a swimming pool semi-submersible lifting platform, through adopting semi-submersible floating platform, can drag (translation) in swimming pool, snorkeling (lift), anchor (fix), realize different functions through the different position, depth, posture of platform.

The application provides an aquatic plant construction method and turf, and the aquatic plant construction method comprises the following steps: measuring the water depth distribution and the slope angle of a target area where aquatic plants are to be planted; determining the river cross-section length of a shallow water area, a middle water area and a deep water area according to the water depth distribution and the slope angle; configuring a bottom mud structure; dividing the bottom mud structure into a shallow water section, a middle water section and a deep water section; planting emergent plants in the shallow water section, planting floating leaf plants in the middle water section, and planting submerged plants in the deep water section; wherein the length of the shallow water section is equal to the river cross-section length of the shallow water area, the length of the middle water section is equal to the river cross-section length of the middle water area, and the length of the deep water section is equal to the river cross-section length of the deep water area; and the edge of the shallow water section is aligned with the edge of the river where the shallow water area is located, and the edge of the deep water section is aligned with the edge of the river where the deep water area is located. The application solves the problem that the existing aquatic plant planting method is prone to causing the death of aquatic plants due to unsuitable water depth.

The application discloses an ecological modular sea-lake wind-solar energy fresh water integrated storage and supply system, which comprises a photovoltaic array, a wind turbine unit, a storage battery, a seawater desalination system, a membrane unit fresh water storage and a micro-grid; the seawater desalination system is used for desalination of seawater, the membrane unit fresh water storage is used for storage of fresh water, and the membrane unit fresh water storage comprises a plurality of flexible water storage units made of HDPE films; the wind turbine unit is arranged on a lake bank or a shallow water area, and the photovoltaic array is arranged above the membrane unit fresh water storage; the electric energy generated by the wind turbine unit and the photovoltaic array is transmitted to the storage battery and the micro-grid, and the micro-grid is used for power supply to the seawater desalination system and the power consumption device of the membrane unit fresh water storage; the storage battery is used for storage of electric energy, and the storage battery stores the electric energy from the wind turbine unit and the photovoltaic array, and transmits the electric energy to the micro-grid when the power generation of the wind turbine unit and the photovoltaic array is insufficient. The photovoltaic array and the wind turbine unit form a time and space complementary power generation mode, and can stably operate under day and night and seasonal changes.

The application discloses a multi-layer immersed tube structure which pops out of water surface, and relates to the technical field of immersed tube tunnel engineering. The multi-layer immersed tube structure comprises at least one layer of use space layer, at least one layer of immersed tube butt joint layer and at least one layer of ballast replacement layer; wherein the application layer of the highest layer is the use space layer, and the application layer of the bottom layer is the ballast replacement layer; a middle plate is arranged between two adjacent application layers; and a paving layer is arranged on the top surface of the use space layer of the highest layer. The application can be applied to a shallow water area, and the ballast replacement layer is filled with sand and stone soil, so that the multi-layer immersed tube structure is stably arranged on the water bottom, the immersed tube butt joint layer can be used for traffic, the use space layer can be used for placing goods or materials, the top surface of the use space layer of the highest layer is exposed out of the water surface, and the paving layer is arranged on the top surface, and the layer can be used for traffic or building construction, so that the multi-layer immersed tube structure can improve the application diversity of the immersed tube structure.

The utility model discloses a kind of plankton shallow water area surface layer collecting devices, it is related to aquatic biological resource investigation technical field, including collection frame, one end of the collection frame is provided with connecting frame, the one end of the connecting frame away from collection frame is provided with driving device, two rhombic floating plates one are fixedly connected with the two sides of the collection frame symmetry, two rhombic floating plates two are fixedly connected with the two sides of the driving device symmetry, the rhombic floating plate one and rhombic floating plate two are aligned in device longitudinal outside end face, the rhombic floating plate one and rhombic floating plate two are used to prevent plankton collection device from rolling over. The utility model is through nylon screen surface and silk cloth screen surface, the layered filtering mechanism of double-layer filter screen, through 200 μm nylon screen surface intercepts large plankton and floating object, avoids its interference micro sample. Through 50 μm silk cloth screen surface accurate retention small phytoplankton and protozoa.

The invention discloses an intelligent shared lifesaving suite and a lifesaving method, and belongs to the technical field of water rescue. The intelligent shared lifesaving suite comprises a vertical rod, a swim ring, a driving assembly, a monitoring assembly and a control assembly. The vertical rod is fixedly connected to the shallow water area of the lifesaving area; the swim ring is fixedly connected to the vertical rod through a traction assembly, and part of the ring body is suspended and floats on the water surface of the shallow water area; the driving assembly is arranged below the water surface of a shallow water area and is fixedly connected to the swim ring; the monitoring assembly is fixedly connected to the swim ring or the vertical rod and monitors the drowning condition of the lifesaving area. The control assembly is fixedly connected to the swim ring, controls the traction assembly to connect and disconnect the swim ring and the vertical rod, and controls the driving assembly to drive the swim ring; when the monitoring assembly automatically monitors the drowning condition of the lifesaving area, the monitoring assembly sends a signal to the control assembly, the control assembly automatically disconnects the swim ring from the vertical rod and automatically drives the swim ring to the drowning area, and then the effect that rescue tasks are completed in time, rapidly and accurately is achieved.

This invention relates to the field of environmental monitoring technology and discloses a high-efficiency sediment sampling device for shallow water areas and its usage method. The high-efficiency sediment sampling device for shallow water areas includes: a spliced ​​sealing sampling mechanism, a vacuum pump, a piston, and a driven power mechanism, which includes a telescopic pump assembly and a positioning assembly; a rotary sealing mechanism, which includes a fixed material feeding assembly and a movable material feeding assembly; and a fixed-distance drive mechanism. The spliced ​​sealing sampling mechanism used in this invention only requires connecting the vacuum pump body to the suction end of the spliced ​​sealing sampling mechanism during sampling, and then inserting its sampling end into the area where sediment needs to be collected. After collecting a set amount of sediment sample, the sampling end automatically seals itself, thereby achieving sealed sample storage. Then, the suction end of the spliced ​​sealing sampling mechanism is disconnected from the vacuum pump body to collect the next set of samples, making it more efficient and convenient.

Techniques are disclosed herein for minimizing movement of an offshore marine platform. Using the technologies described, a payload may be mounted on a marine platform that is constructed and deployed to reduce the motions of the platform due to wind, wave, and other environmental factors on the platform in both shallow and deep waters. In some configurations, a fully restrained platform (FRP) including a monopile with integrated tuned mass dampers is configured to reduce the environmental load.

This application relates to the field of pile foundation construction technology, and in particular to a construction method for sinking piles using a riser jetting system for sand dredging. The method includes: acquiring the environmental characteristics of the target shallow water area; determining the required machinery and foundation materials based on the number of piles, pile locations, pile length, and environmental characteristics of the target shallow water area; constructing a construction platform using low-cost, high-density polyethylene floating boxes through a linking and combining method; erecting steel pipe scaffolding around the construction platform to anchor it; and placing the required machinery and foundation materials at predetermined locations on the construction platform; lifting the sinking pipe using a crane's main hook, erecting the sinking pipe above the pile location, and sinking it into the riverbed to begin jetting sand dredging until the sinking pipe reaches the designed depth; injecting concrete into the sinking pipe to enhance the stability of the pile; after injection, hoisting and welding the remaining sinking pipe; sealing the top of the pile; and finally achieving the sinking pile construction.

The application discloses an inland lake water depth inversion method based on lake bottom classification, comprising the following steps: S1, acquiring data required for lake water depth inversion and processing; S2, classifying lake bottom topography based on a support vector machine classification algorithm, and dividing shallow water areas and deep water areas; S3, constructing a lake shallow water area water depth inversion model by using a deep neural network algorithm; S4, inversing lake deep water area water depth based on the support vector machine algorithm; and S5, combining the shallow water area and deep water area water depths obtained in S3 and S4 to obtain inland lake water depth information. The method constructs different models for different lake bottom topographies, and inverses water depths in different regions, so that the lake water depth inversion precision is greatly improved.