45 results about "Quicksand" patented technology

The invention relates to the field of wind and sand prevention and control, in particular to a desert photovoltaic large base peripheral prevention and control system and method. The prevention and control system comprises a main air guide direction prevention and control system and a secondary air guide direction prevention and control system; the main wind direction prevention and control system is sequentially provided with three high vertical sand blocking fences, a lateral anti-lateral quicksand fence, a first sand stabilization grid area with a grid structure, two first plant sand blocking forest belts, a first plant sand stabilization area and a windproof sand blocking dust suppression fence in the direction from the upwind direction to the photovoltaic base. And the secondary wind guide direction prevention and control system comprises a second sand stabilization grid area, a second plant sand blocking forest belt and a second plant sand stabilization area. The sand prevention system can effectively solve the problems that an existing sand prevention technology is low in efficiency, unsustainable and the like, erosion and damage of sand grains to photovoltaic panels and infrastructures are reduced, the power generation efficiency is improved, the maintenance cost is reduced, long-term stable and efficient operation of a desert photovoltaic large base is guaranteed, and powerful support is provided for energy development and ecological protection balance in the desert area.

The invention discloses a construction method of a photovoltaic sand steel pipe screw pile. The construction method comprises the construction process that the top end of a screw blade of the steel pipe screw pile is wrapped by a concrete balance weight limiting body and located in the sand. Concrete is poured into the sinking stepped hole to form a concrete counterweight limiting body wrapping the top end of the spiral blade, so that the steel pipe spiral pile does not make contact with quicksand at the top layer of the sand ground, and the steel pipe spiral pile is counterweighted by the concrete counterweight limiting body to be located in the sinking stepped hole to be stably supported. The problem that the steel pipe screw pile easily swings at the top layer of the sand is solved.

The invention discloses an integrated construction method for continuous grooving and pouring of an underground anti-impact wall, and relates to the technical field of continuous grooving construction of the underground anti-impact wall, and the construction method comprises the following construction steps: constructing a guide wall through a guiding and grooving system, and excavating a groove section; a positioning pre-embedded connection system is arranged on the wall surface of the groove section to form a reinforcing layer; the performance of the retaining wall slurry in the groove is kept stable by using the dynamic slurry management system; after grooving is completed, rapid hole cleaning, reinforcement cage installation and synchronous concrete pouring are sequentially executed, the positioning pre-buried connection system comprises a positioning pre-buried net, a grouting channel and extension fibers, and the extension fibers are connected with conical barbs and anchored to the groove wall. The underground scour prevention wall has the advantages that the firmness and the stability of the underground scour prevention wall structure are improved, and the phenomena of soil layer softening, collapse or quicksand are effectively prevented.

The application discloses a kind of dry lake basin ecological comprehensive repair and intelligent monitoring method, the dry lake basin ecological comprehensive repair method, including by the way such as the soil transplanting of native plant in dry lake basin, realize locking edge sand control in dry lake basin inside;By planting local plant in the circumferential planting of dry lake basin edge, form sand material containment plant strip;By the way such as sowing psammophyte on the quicksand of dry lake basin periphery, to fix ground quicksand;And, by the way such as planting sand-fixing arbor and shrub in the upwind area of dry lake basin periphery and covering sand-fixing net, construct plant sand-fixing grid.The application can significantly improve the wind prevention and sand fixation efficiency of the surrounding area of dry lake basin, effectively reduce the frequency of wind-sand disaster, provide a solid guarantee for regional safety, while effectively promote the optimization of soil structure and the natural recovery of vegetation, not only enhance the water and fertilizer conservation capacity of soil, but also significantly improve the service function of regional ecosystem, such as water conservation, climate regulation and the like.

According to the powerful cleaning quicksand filter, the filter is of a closed structure, and fluid enters from the bottom and flows out from the top; a combination of a water pump and a water ejector is adopted for conveying and cleaning a filter material to provide power, mixed water is firstly adopted for conveying, cleaning and desorption of the filter material, and then filtered clean water is adopted for rinsing in a separator; due to the fact that a plurality of combination modes are adopted for strongly cleaning the filter material, the cleaning effect is guaranteed. Therefore, a 0.1-0.3 mm micro sand filter material can be adopted, the filtering precision is greatly improved, and the use of viscous suspended matter water can be met.

This invention discloses a rapid-construction cast-in-place pile casing and its construction method, relating to the field of building construction. The casing consists of two hinged semi-circular tubes, with an iron ring connecting an anchoring assembly on the outer wall. The anchoring assembly includes a stud shell with a sliding rail and an internally threaded anchor bolt, with a retractable arc-shaped steel plate connected to the bottom of the anchor bolt. During construction, rotating the anchor bolt causes the steel plate to insert into the soil and expand for fixation, then connecting the casing via a connecting assembly. This invention overcomes the limitations of traditional methods requiring prior backfilling and has three major advantages: 1) the anchoring assembly can be quickly disassembled and reused; 2) the modular casing is easy to open and close, and securely fixed with clips; 3) it eliminates the backfilling and excavation process, improving construction efficiency. It is particularly suitable for soft soil, quicksand, and other adverse geological conditions, solving problems such as long construction periods, difficult soil handling, and poor construction quality during the rainy season associated with traditional methods, resulting in significant economic benefits.

The application discloses a simulation method for quantitatively predicting gas seepage and crater formation evolution process in a hydrate area and related equipment, and the method comprises the following steps: obtaining three-dimensional seismic data of a target area, and obtaining thickness data through layer velocity modeling and time-depth conversion; based on the thickness data and pre-acquired physical parameters, a first quantitative relationship between gas column growth rate and seepage velocity is quantified by using Darcy's law; based on the first quantitative relationship, a second quantitative relationship of gas migration time is obtained through integral method processing; the first quantitative relationship and the critical condition of quicksand are solved together to obtain a third quantitative relationship of crater depth, and then a crater space form constraint is constructed; and based on the crater space form constraint and the pre-acquired average methane flux, the total methane flux of the target area is simulated. The application can realize physical constraint quantitative prediction of deep fluid seepage process and crater formation evolution, and can be widely applied to the technical field of data processing.

The invention relates to the technical field of water conservancy projects, and discloses a water conservancy project gate with a water purification mechanism, which comprises door frames, a bottom plate and a gate plate, the side part of the gate plate is provided with an impurity removal assembly, a shell is slidably arranged between the door frames, the inner sides of the door frames are provided with driving assemblies for driving the shell to lift, and the outer side of the shell is connected with a water pipe; a sand flowing opening is formed in the lower side of the flashboard, a baffle is arranged on the side portion of the sand flowing opening in a sliding mode, a pipeline communicated with the sand flowing opening is installed on the outer side of the flashboard, and the water outlet end of the pipeline is connected with a sand bag. The shell drives the water row to descend, water is pumped into the water row through the water pipe, water flow is sprayed through the spray head, deposited silt is raised and mixed into lower-layer river water, the sand flowing opening is opened, the lower-side river water mixed with a large amount of silt flows into the sand bag through the sand flowing opening and the pipeline, and the river water flows out through the sand bag. The silt is collected in the sandbag, so that the water purification effect is improved.

The application discloses a sandbank short-distance entry section pipe-pulling construction method, which comprises the following steps: S1, preparation before construction; S2, measurement and lofting; S3, well chamber foundation pit construction; S4, equipment positioning and guide drilling; S5, hole expansion and mud hole blocking; S6, secondary hole expansion and hole cleaning; S7, pipe welding, pipe pulling back, and high-pressure grouting; S8, mud cleaning, pipe cutting at the well access, and equipment transfer; and S9, well chamber construction, foundation pit backfilling and cleaning. The application makes full use of the sandbank short-distance entry section pipe-pulling construction method, reasonably uses the trenchless technology to solve the problems of one-end construction site obstruction, pipe-pulling pipe hole forming failure, pipe-pulling construction resistance being too large, pipe deformation being affected by flowing sand and water level, sand surface appearing grouting and settlement, and the like, solves the problems of high cost and inability to carry out pipe jacking construction under the condition of shallow covering, and realizes the pipe-pulling construction of the entry section.

The invention discloses a pile casing driving depth real-time monitoring and decision-making method, and relates to the technical field of pile casings, the method comprises the steps of geological and hydrological data acquisition, split type structure pile casing design, pile casing sinking parameter matching, pile casing test pile verification and early warning prompt, the corresponding split type structure pile casing is designed by acquiring the geological and hydrological data, and the pile casing driving depth real-time monitoring and decision-making method is provided for the pile casing driving depth real-time monitoring and decision-making. Corresponding grouting and sinking proportion matching are carried out on the pile casing so as to guarantee that the pile casing has high-quality performance, site driving simulation is carried out on the pile casing corresponding to the high-water-level quicksand stratum, the driving effect of the pile casing corresponding to the high-water-level quicksand stratum is evaluated, corresponding optimization is carried out, and therefore comprehensive and perfect functions of the pile casing are achieved. Therefore, the problems that the pile casing easily leaks slurry, deforms and is difficult to sink in a high-water-level quicksand layer are effectively solved, the sealing performance of the pile casing is further improved, hole collapse is avoided, meanwhile, the wall protection effect of the pile casing is enhanced, and sinking deflection or jamming of the pile casing is avoided.

1. Name of the product in this design: Refrigerator Magnet (Zhuhai Sun and Moon Shell Flowing Sand). 2. Purpose of this design: To decorate a refrigerator. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Other situations requiring explanation: The reference image shows the quicksand effect that appears after the product is flipped over. The area marked A in the view is transparent material.

This utility model relates to the field of highway sand control technology. Specifically, it is a sand control structure for desert highways, including concrete columns with foundation piles fixedly connected to the bottom of the concrete columns. It also includes a fixing ring, which is threadedly connected to a pre-embedded threaded sleeve in the concrete column. A steel wire rope is fixedly connected to the outside of the fixing ring, and a binding strap is fixedly connected to the outside of the steel wire rope. A straw mat is fixedly connected to the outside of the binding strap. This structure, by using a straw mat, which is composed of waste straw, reeds, and other materials bundled together, is easily degradable and inexpensive. Furthermore, its porous nature reduces wind speed while allowing some air to pass through, reducing the impact of wind on the structure. This extends the structure's service life and causes some sand to settle in front of the straw mat, effectively preventing shifting sand from moving towards the highway and avoiding sand accumulation on the road.

The invention discloses an in-situ structure stabilization sand fixation system and a construction method and application of the in-situ structure stabilization sand fixation system.The in-situ structure stabilization sand fixation system comprises an in-situ quicksand base layer and a gravel sand fixation layer covering the surface of the in-situ quicksand base layer; wherein the gravel sand stabilization layer contains a plurality of relatively independent gravel-shaped structural units, and each gravel-shaped structural unit is formed by combining a plurality of sand grains. According to the method, in-situ modification and recombination are carried out on particles on the surface layer of the quicksand, under the condition that an exogenous gravel covering structure is not introduced and an independent covering or blocking component is not arranged, a gravitated sand stabilization layer with stable structural characteristics is constructed on the surface of the quicksand, and therefore starting and migration of sand grains under the wind action are restrained. According to the structure, the wind erosion resistance of the earth surface is improved, meanwhile, the dependence on external materials is remarkably reduced, and the engineering feasibility is improved from the aspects of material sources and construction organizations.

1. Name of the product in this design: Pen (Lifting Flowing Sand). 2. Purpose of this design: For writing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a pipeline static extrusion pipe jacking construction method, which comprises the following steps: well drilling, equipment installation, pipeline static extrusion device jacking, buried pipeline jacking, direction adjustment of a machine head pipeline and machine head pipeline taking out. The application can safely conduct pipeline construction in loose sand or silt geology, and can extrude the sand or silt into the machine head through a static extrusion cylinder. Construction personnel can clean and transport the extruded sand or silt out of the machine head, without needing to explore outside the machine head pipeline for construction, thereby greatly protecting the personal safety of the construction personnel. Compared with a slurry balance pipe jacking construction method, the application can not cause damage to underground pipelines in an old city area and can not cause problems such as road surface bulging. Multiple direction adjustment assemblies are arranged behind the machine head pipeline, so that the subsequent advancing route can be corrected when the pipeline is displaced or deviated, thereby meeting the construction requirements of construction projects with strict requirements on elevation.

The roller rotating type filler sand stabilization equipment comprises a crawler chassis, a protective machine shell is fixedly installed on the crawler chassis, a sand collecting shovel is fixedly installed at the end, away from a blank outlet, of the crawler chassis, and the end, away from the crawler chassis, of the sand collecting shovel is distributed downwards in an inclined mode. A filling mechanism and a feeding mechanism which are used for lifting sand and conveying materials are further arranged on the protective machine shell, a forming mold used for shaping sand blanks is further installed on the crawler chassis, a high-frequency vibration mechanism used for compacting the sand materials is arranged on the forming mold, and a demolding ejection mechanism used for demolding the sand blanks is arranged below the forming mold. When the equipment disclosed by the invention is used, through the integrated mechanisms integrating sand collection, filling, feeding, forming, demolding and the like, and the stable walking design of the crawler chassis, the problem that in the prior art, 'sand control by sand 'lacks on-site integrated equipment is solved, and automatic continuous operation is realized.

The application provides a flow sand area photovoltaic power plant wind-sand prevention system and application thereof. The system comprises a filling type surrounding net sand prevention barrier and a filling type surrounding net sand fixation barrier arranged at the periphery of the photovoltaic power plant, and a through vehicle type sand prevention barrier and a through vehicle type sand fixation barrier arranged in an inter-board corridor at the inner edge of the photovoltaic power plant. The filling type surrounding net sand prevention barrier and the filling type surrounding net sand fixation barrier are used to prevent and fix sand, and most of the sand sources in the windward direction are intercepted and fixed outside the field area. The through vehicle type sand prevention barrier and the through vehicle type sand fixation barrier are used to prevent and fix sand in the inner edge zone of the photovoltaic panel array area, so that a small amount of flowing sand passing through the peripheral protection measures is fixed. The system protection concept is adopted, and the system protection of the body+periphery is formed. The peripheral sand sources are cut off, the wind-sand problem of the whole photovoltaic field area in the flowing sand area is effectively solved, and the convenience of maintenance is considered. No additional operation and maintenance channel needs to be reserved.

This invention provides a detector embedding device and method. The detector embedding device includes: a sand suction cylinder with open top and bottom; a piston sealed to the side wall of the sand suction cylinder, with a sand passage that can be opened and closed; and a detector cylinder disposed outside the sand suction cylinder, near its bottom, with an open bottom, allowing the detector to be inserted into the cylinder from the bottom. When the detector is installed in the detector cylinder, a reserved space is provided between the bottom of the detector and the opening at the bottom of the detector cylinder. A connecting channel is provided at the bottom of the detector cylinder, connecting the reserved space to the lower space of the piston. When the piston moves upward, the sand passage closes, creating a negative pressure in the lower space of the piston and connecting with the connecting channel, allowing the flowing sand in the reserved space to be sucked into the sand suction cylinder through the connecting channel. When the piston moves downward, the sand passage opens.

This invention relates to the field of port and waterway engineering technology, and particularly to a method and system for simulating sudden siltation in port and waterway systems based on wind-wave-current-sand coupling. The method includes: acquiring driving data and measured data of the target area of ​​the port and waterway, and preprocessing the driving data; establishing a wind field model based on the WRF model, a wave model based on the SWAN model, a hydrodynamic model based on the FVCOM model, and a sediment model based on the FVCOM-SED model; coupling and integrating the above four models using an MCT coupler to obtain a wind-wave-current-sand coupled model; inputting initial wind field, water depth data, and bed elevation as initial conditions into the wind-wave-current-sand coupled model, and outputting the distribution and predicted trend of sudden siltation in the port and waterway. The multiphysics coupling model of this invention can more accurately simulate actual engineering scenarios, reduce errors and systematic biases caused by single models, and improve the accuracy of simulation results.

The utility model relates to a foundation pit drainage technology field especially relates to a kind of foundation pit intercepts drainage system, comprising: foundation pit, support pile is arranged along the circumferential direction of foundation pit side wall, and rotary jet pile is set between adjacent support pile, rotary jet pile bottom is embedded in water-resisting layer, and rotary jet pile and support pile are mutually engaged and form water interception curtain between;Water hole is equipped on rotary jet pile upper portion, water pipe is installed on support pile, and sump is equipped at foundation pit bottom, water hole is connected with water pipe, and water pipe is connected with sump. The water interception curtain is used to reinforce foundation pit bottom, to avoid the phenomenon of quicksand and piping in foundation pit, effectively solve the problem of soil erosion, ensure the stability of soil between piles and the orderly development of construction in pit, save construction period, water hole is equipped on rotary jet pile upper portion, it is favorable for the orderly discharge of groundwater from water hole on the side of foundation pit, then be discharged to sump by water pipe, reduce the scouring, soaking and softening effect of groundwater on the side wall of foundation pit and foundation pit bottom stratum.

The application discloses a processing method for large-scale sinking well construction in quicksand stratum and encountering boulders, and relates to the technical field of sinking well installation. The method comprises the following steps: 1) according to the design drawing, the site is leveled, and before the sinking well shaft is constructed, the center axis of the sinking well shaft is taken as the center to measure and mark a guide circle line with a diameter of 4 m larger than that of the sinking well shaft; according to the guide circle line, a steel sheet pile is installed; 2) the sinking well shaft is placed, the perpendicularity and the levelness of the sinking well shaft are measured, and after the standard is met, a partition wall and a cross beam are sequentially constructed and installed; 3) a positioning wall is constructed outside the sinking well shaft, a release agent or a separation cloth is brushed, and the outside is a formwork closely adhering to the positioning wall of the sinking well shaft; and 4) four buttress walls are symmetrically constructed around the sinking well shaft, the positioning wall and the buttress wall are simultaneously constructed, large boulders are excavated and backfilled, and then the sinking well is sunk. The application solves the technical problem that the sinking well deviates when a large sinking well is constructed in quicksand stratum along a river and a large boulder is blasted or broken in the sinking process.

The application provides a protection device for preventing sand slope migration of a submarine pipeline, comprising: an angle plate, which is arranged on the submarine pipeline and is parallel to the submarine pipeline and located above the submarine pipeline; a hammock, which is arranged on the submarine pipeline and is in sliding fit with the angle plate and can move along the axis of the angle plate / submarine pipeline; a monitoring unit, which is arranged between the angle plate and the submarine pipeline and is used for monitoring whether the submarine pipeline is suspended in real time; a collecting unit, which is arranged on both sides of the hammock and is used for collecting drifting sand around the submarine pipeline; and a filling unit, which is arranged on both sides of the hammock and is used for filling the collected drifting sand to the bottom of the submarine pipeline to form a sand slope. The device can automatically monitor whether the sand slope of the submarine pipeline is lost, and can automatically collect and fill the drifting sand to the bottom of the submarine pipeline to form a new sand slope after the sand slope is lost, which helps to ensure the safety and stability of the submarine pipeline and reduces the operation and maintenance risk and cost.

1. The name of the design product: hand wheel (series of quicksand wheel). 2. The use of the design product: hand wheel for faucet. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

This invention provides a simulation device and method for earth pressure balance shield tunneling in quicksand strata, relating to the field of shield tunneling simulation equipment. Addressing the current problems of inconvenient support and easy collapse of the excavation face during simulated quicksand excavation, the tunnel segments are fitted outside the support simulation module and the self-unlocking module, and enter the tunnel along with the tunneling module. This eliminates the need for post-excavation assembly within the tunnel. After tunneling is completed, the self-unlocking module can be withdrawn from the tunnel along with the support simulation module, allowing the tunneling module and the tunnel segments placed inside the tunnel to provide joint support, preventing the collapse of the excavation face and forming the stable support space required for the experiment.

This invention discloses a collaborative intelligent cluster solar-powered sand-fixing robot, relating to the field of sand-fixing robot technology. It includes multiple sand-fixing robots and a multi-vehicle collaborative operation system. Each sand-fixing robot comprises a frame assembly, a drive assembly, an energy system, an optical focusing system, and an intelligent monitoring system. These components are detachably mounted on the frame assembly. The drive assembly propels the sand-fixing robot to move in the sandy environment. The energy system provides power to the robot. The optical focusing system focuses sunlight onto the sand surface to melt the flowing sand and monitors the focal point temperature in real time for feedback control. This invention provides a zero-carbon, intelligent, multi-vehicle collaborative unmanned sand-fixing equipment, solving the problems of low efficiency, reliance on manual labor, high carbon emissions, poor environmental adaptability, and lack of safety guarantees in existing sand-fixing methods, achieving efficient, precise, and safe desert sand-fixing operations.

The invention provides an acrylic quicksand product manufacturing method based on a full-color pattern forming process and an acrylic quicksand product, and the acrylic quicksand product manufacturing method based on the full-color pattern forming process comprises the following steps: cutting an acrylic substrate, and printing a full-color pattern, the acrylic plates are bonded to obtain the acrylic ornament with the cavity; quicksand particles and quicksand oil are added into the cavity and filled to a first liquid level line, and a pre-packaged ornament is obtained; and carrying out staged negative pressure vacuum defoaming on the pre-packaged ornament, carrying out secondary filling of quicksand oil, and packaging to obtain the acrylic quicksand product. By applying high-low staged negative pressure to the pre-packaged ornament and a step-by-step filling process, bubbles are expanded and shrunk by utilizing pressure change so as to promote combination and escape of tiny bubbles, the problem that drift sand particles collide with the inner wall to be scratched and abraded due to vibration bubble removal is avoided, and the service life of the ornament is prolonged. And the obtained acrylic quicksand product shows the visual special effect of clear full-color pattern quicksand.

This application relates to a construction device and method for supporting elevator foundation pits in silty soil, belonging to the technical field of foundation pit construction. It aims to solve problems such as quicksand, piping, difficulty in forming the foundation layer, and slope instability that easily occur during foundation pit construction under water-rich and weak geological conditions. The method mainly includes: fabrication and hoisting of precast foundation layer units, sheet pile support, installation of graded collection wells, planned dewatering, construction of a combined precast and cast-in-place foundation layer, construction of a brick formwork and waterproof layer, and pressure balance control using accumulated water within the pit. The corresponding device includes a support unit, a precast foundation layer unit, a drainage unit, a construction unit, a control unit, and a retractable stepped unit. Its core is to quickly seal the bottom of the pit through a precast foundation layer, combined with intelligent dewatering and pressure balance technology, transforming the traditional "passive waterproofing" into "active pressure control," thereby significantly improving construction safety, efficiency, and quality, while optimizing the working space and management level within the foundation pit.

The adjustable quicksand hopper comprises a sand inlet hopper, an opening is formed in the top of the sand inlet hopper, a first speed reduction baffle and a second speed reduction baffle which are distributed in a staggered mode are fixed to the inner wall of the sand inlet hopper, meanwhile, two sets of gate tracks which are symmetrically distributed are fixed to the outer wall of the front end of the sand inlet hopper, a sand outlet hopper is arranged on the outer sides of the gate tracks, and the sand outlet hopper is connected with the opening. The sand outlet hopper is fixed to the sand inlet hopper, a channel sand inlet is formed in the joint of the sand outlet hopper and the sand inlet hopper, an adjusting gate plate is slidably connected to the gate plate rail, a lifting push rod is fixed to the outer wall of the sand inlet hopper, the output end of the lifting push rod is fixedly connected with the upper end of the adjusting gate plate, and a sand sliding bottom plate is arranged at the lower end of the inner wall of the sand inlet hopper. The bottom of the sand sliding bottom plate and the bottom of the sand discharging hopper are arranged on the same plane, and the bottom of the outer side of the sand discharging hopper is connected with a sand outlet through an installation fixing disc. The utility model belongs to the technical field of quicksand hoppers, and particularly relates to an adjustable quicksand hopper for a shot blasting machine.