32results about How to "Sinking fast" patented technology

The present invention is the marine air floatation hauling and locating and depositing installation process of case and barrel shaped foundation structure for soft soil. The construction process includes inflating the case and barrel shaped foundation structure in water for it to float and hauling to the installation site; locating in the floating state; deflating for deposition via controlling the deflation speed and amount to control the deposition speed and inclination; pumping out air from the structure and applying pressure for further deposition; pumping out water from the structure for further deposition until pumping out all water inside the structure and completing the installation. The said process needs no large hoisting and transportation apparatus, and is simple, controllable and low in cost.

The invention discloses a steel-concrete composite cylinder-type foundation structure and a construction method thereof. A concrete cylinder-type transition section with a cambered wall surface is arranged on a concrete top cover; a cylinder structure which is formed by a concrete cylinder wall and a steel cylinder wall is arranged on the lower side of the concrete top cover; air blow / water pipes are uniformly arranged in the concrete cylinder wall along the radial direction; and a steel subdivision plate is arranged in the internal space of the steel cylinder wall. The construction method comprises the following steps of: prefabricating the steel-concrete composite cylinder-type foundation structure on the land; transporting the whole foundation structure to a construction site in a floating mode, and performing self-weight sinking construction and negative pressure sinking construction; after the negative pressure sinking construction is stopped, performing groundbreaking sinking construction through the air blow / water pipes; and leveling by applying different in-cabin positive pressure onto all sub-cabins through a pump system when the foundation structure is inclined in the sinking process. The foundation structure can be extremely easily sunk into a soil body to reach a designed sinking depth by overcoming the resistance of the soil body, and the sinking speed and the sinking arrival rate of a cylinder-type foundation can be substantially improved, so that the construction period of a foundation structure system is shortened, and engineering cost is greatly reduced.

The invention discloses a construction method of a high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile. For solving the problems that an existing steel tube submergence method leads to bad adhesive effect between a hollow strengthening pipe and a jet grouting body, and the entire rigidity of a tubular pile is low, the construction method of the high pressure jet grouting hollow strengthening tubular pile comprises the following steps: (1) forming a high pressure jet grouting tubular pile, (2), communicating the hollow strengthening pipe and a high spraying grouting pipe of a high spraying grouter; and (3), placing the hollow strengthening pipe into a high pressure jet grouting pile body before cement slurry is initially set, and the bottom end of the hollow strengthening pipe is located below a bed rock boundary. The high pressure jet grouting hollow strengthening tubular pile adopts the construction method of the high pressure jet grouting hollow strengthening tubular pile. The construction method of the high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile adopt a vibroflotation method to effectively adhere both the steel tube and the high pressure jet grouting body to an integration, extend the steel tube into the bed rock, and form a pile body structure with high stability.

The invention belongs to the technical field of offshore wind power foundations, and discloses an offshore wind power multi-cylinder jacket foundation construction method. The construction method comprises the steps that a plurality of multi-cylinder jacket foundations and a flat ship are assembled into an integrated floating body structure, and transporting, installation and recovering are carried out; and the plurality of multi-cylinder jacket foundations are distributed on the two sides of the flat ship, and the side portion of each multi-cylinder jacket foundation is welded to the flat ship. According to the offshore wind power multi-cylinder jacket foundation construction method, self-floating stability of the multi-cylinder jacket foundations is utilized, certain gas is actively stored inside suction cylinders, the multi-cylinder jacket foundations and the flat ship are welded into the integrated floating body structure, certain advantages are achieved in the foundation assembly, transportation, installation and recovery processes, the requirement for offshore equipment during construction of the multi-cylinder jacket foundations can be lowered, and the whole construction process is simple, efficient, high in construction controllability, high in precision and easy to implement.

The invention relates to the technical field of road disease detection, in particular to a pavement subsidence detection method and device based on satellite and unmanned aerial vehicle remote sensing. The method comprises the following steps of: acquiring original SAR image data of a to-be-detected road section; extracting sedimentation rate information; determining a potential occurrence position of pavement subsidence; making an inspection scheme of an unmanned aerial vehicle carrying a laser radar for reinspection; conducting road surface point cloud data processing; and judging the subsidence condition of a pavement. According to the pavement subsidence detection device and method based on satellite and unmanned aerial vehicle remote sensing, the potential position where pavement subsidence possibly occurs is found out according to the subsidence rate distribution condition, preliminary detection of pavement subsidence is achieved within a large range, the advantages of the InSAR technology are fully utilized, and manual field operation is reduced; and rapid detection of pavement subsidence is realized, the detection method is innovative, and the detection efficiency is relatively high.

The invention discloses a bottom wrapping type vibration hammer profile steel pile pulling machine and a pile pulling method. The pile pulling machine comprises a Larson type profile steel rod portionand a pile sleeve; standard channel steel and open Larson type channel steel of the pile sleeve are welded in a buckling mode, a rotation shaft is arranged on two flange plates of the standard channel steel and rotatably provided with a bottom wrapping steel plate, limiting blocks are welded to the inner surfaces of the flange plates of the standard channel steel, and the bottom wrapping steel plate is provided with triangular convex strips; and the open Larson type channel steel is welded to the bottom end of the rod portion. The pile pulling machine further comprises a main guide pipe and three branched guide pipes, and the bottom end of each branched guide pipe is provided with a spraying port. The method is characterized in that the pile pulling machine sinks to the bottom of a wastepile at a time, the bottom end of the waste pile is wrapped by the bottom wrapping steel plate, and then the waste pile is pulled out at a time. According to the pile pulling machine and the pile pulling method, the construction speed is high, the efficiency is high, the structure is relatively simple, and the manufacturing cost is low.

The invention discloses a desulfurization reusing method for the high sulfur middlings and tailings; firstly, the high sulfur middlings and tailings are crushed into particles with the granularity less than 3mm; then the crushed high sulfur middlings and tailings evenly flow into a jigger; the substances in the crushed high sulfur middlings and tailings are divided into layers according to the densities by the jigger; the sulfur concentrate is separated from the jigger; the sulfur content of the obtained sulfur concentrate is 32%-34.78%; the coal sludge is separated by a separation bed mounted on the jigger; then remained substances after the jigger and the separation bed are fed into a shaking table for separation to obtain the cleaned coal with the sulfur content less than 3%. The process of the desulfurization reusing method for the high sulfur middlings and tailings not only can realize the sulfur coal separation, but also can adopt the non-pollution mechanical method separation process to prevent the secondary environmental pollution; meanwhile, compared with the common flotation method desulfurization process, the reusing method which adopts the jigging, classification and shaking table processes has the advantages of simple process, less investment and rapid effect.

The invention relates to the technical field of hydrometallurgy, in particular to a method for back extraction of germanium from a germanium-contained fluosilicic acid solution. The germanium-contained fluosilicic acid solution is extracted with an N235-kerosene system serving as an organic phase, a sodium hydroxide solution containing ammonium ions is adopted for treating the organic phase, sulfuric acid is added to a back extraction solution to adjust the PH value, then, germanium hydrolysis treatment is performed, obtained precipitate is calcined, germanium is obtained, and the quality of germanium concentrate is further improved, so that in the germanium concentrate, the content of germanium is larger than or equal to 7%, the content of F is smaller than 0.5%, and the content of Si is smaller than 4%; the extraction rate of germanium in germanium-contained fluosilicic acid is increased, and the extraction cost of germanium in the germanium-contained fluosilicic acid solution is reduced.

The invention relates to a salty mud washing process, and in particular relates to a method for improving the primary salty mud washing ability. The method comprises the following steps of adding settling agent dry powder and water into a settling agent preparation tank according to a mass ratio (0.025%-0.05%):1, and stirring the settling agent dry powder to be uniformly dissolved in the settling agent preparation tank; adding the well-dissolved settling agent and the primary salty mud into an assistant pump according to the volume ratio of 1: 10 to 20, conveying the mixture into a mud washing barrel pipeline through the assistant pump, and realizing the uniform mixing of the settling agent and the salty mud by utilizing the turbulence characteristic of the liquid inside the conveying pipeline; placing the mixture of settling agent and the salty mud into a mud washing barrel; continuing to mix the salty mud and the settling agent in the mud washing barrel, washing the mixture through the washing water, driving the magnesium hydrate (Mg(OH)2) and calcium sulfate (CaSO4) in the salty mud to be settled through the organic large molecules in the settling agent composition in the washing process, thereby realizing the settlement of the salty mud within a half hour.

The invention discloses a construction method of a steel tube well. The construction method comprises the steps of determining the position of the steel tube well to be arranged; sinking a steel tubeto the target location through a tube shaking machine to form the steel tube well, wherein the target location is the position where the upper end face of the uppermost portion of the steel tube is 20cm-30 cm away from the ground. Through the construction method of the steel tube well, provided by the invention, the steel tube can be shaken by the tube shaking machine in the sinking process, andthe pressure of the steel tube on a soil body in the unit area can be increased; moreover, the steel tube can create impact on the soil in the shaking and sinking process, so that the sinking speed ofthe steel tube is increased, the construction efficiency of the steel tube well is improved, and the influence on the life of residents due to the low construction efficiency and increasing of the construction cost are avoided.

The invention discloses a highly efficient electric kettle, which includes a kettle body.The kettle body comprises a kettle body, spout and handle, the bottom of the kettle body is provided with a positioning groove with an opening downward, and a plurality of conductive plugs are arranged around the limiting groove, A heating ring is arranged on the bottom side wall of the kettle body, and a heating ring is electrically connected with the conductive plug, a bearing is installed on the inner bottom surface of the kettle body, a rotating shaft vertically arranged is inserted into the bearing, arotating block is arranged at one end of the rotating shaft far away from the bearing, a plurality of arc-shaped water dividing grooves are surrounded on the outer side wall of the rotating block, and the arc lines of the arc-shaped water dividing grooves are rotated in the same direction. In the invention, the high-efficient heating electric kettle can improve the water circulation rate and theheat exchange efficiency when heating, thereby ensuring the heating efficiency of the electric kettle.

The invention relates to the technical field of fishing gear production and processing, particularly a processing method of a carbon fishing line. The carbon fishing line is prepared by mixing nylon, bamboo charcoal, an acrylic resin, glass fiber ferric oxide, monoquaternary ammonium salt, polytetrahydrofuran polyalcohol and a phosphite antioxidant. The raw materials are proportioned reasonably; the mixed slurry is used for producing the fishing line; the produced fishing line has the advantages of favorable elasticity, high wear resistance and high flexibility, can be fused with the line coil more easily, and lowers the winding and coiling probability; and the specific gravity can reach 1.85-1.92, the sink rate is high, the water absorptivity is only 0.005-0.006, and the ductility is only 15-20%.

The invention discloses an oncomelania blocking wall and an oncomelania settling pond for water conservancy and hydropower engineering. The oncomelania blocking wall comprises an oncomelania blockingmechanism; the lower part of the oncomelania blocking mechanism is provided with a flow guiding mechanism, and the oncomelania blocking mechanism comprises a plurality of oncomelania blocking plates;the oncomelania blocking plates are arranged side by side and hinged together to form an oncomelania blocking portion, and a floating body is arranged on the upper portions of the oncomelania blockingplates; two sides of the oncomelania blocking portion sleeve main shafts correspondingly, and the oncomelania blocking portion can freely slide in the axial direction of the main shafts; and the flowguiding mechanism is located below the oncomelania blocking portion, the flow guiding mechanism is formed by connecting a plurality of flow guide plates in series, and the two sides of the flow guiding mechanism are fixedly connected with the lower portions of the main shafts correspondingly. According to the oncomelania blocking wall and the oncomelania settling pond, the water flow can be quickly recovered stably while the interception effect is guaranteed so as to make the oncomelania settle rapidly, so that the effects of interception and settling of the oncomelania are remarkably improved, and the defects existing in the prior art are overcome.

The invention discloses bamboo charcoal fiber and polyester blended yarn mixing equipment. The bamboo charcoal fiber and polyester blended yarn mixing equipment structurally comprises a mixing main machine, a feeding inlet, a motor, supporting legs, a water drainage pipe and a discharging pipe, the feeding inlet is fixedly installed at the upper end of the mixing main machine in an embedded mode and communicates with the mixing main machine, and the motor is installed at the middle end of the top of the mixing main machine. A stirring outer frame rotates, meanwhile a supporting rod and a separating rod rotate together, bamboo charcoal fibers and polyester are separated and mixed, accumulation of the bamboo charcoal fibers and the polyester is avoided, an elastic band generates certain elasticity, therefore the bamboo charcoal fibers are bounced upwards, and the situation that the sinking speed of the bamboo charcoal fibers is too high is avoided; and an extrusion ball rotates along with a rotating shaft, an opening and closing plate is opened towards the left end around a torsion shaft, then air enters a pressure dividing pipe and is sprayed out from the interior of a nozzle through extrusion of an air bag bubble, so that the sunken bamboo charcoal fibers are sprayed upwards, and it is ensured that the bamboo charcoal fibers can be fully and comprehensively mixed with polyester.

The invention discloses a snail blocking wall and a snail settlement tank for water conservancy and hydropower projects, comprising a snail blocking mechanism, the lower part of the snail blocking mechanism is provided with a flow guide mechanism, the snail blocking mechanism includes a plurality of snail blocking plates, and the snail blocking mechanism includes a plurality of snail blocking plates. The screw plates are arranged side by side and hinged together to form a screw blocking part. The upper part of the screw blocking plate is provided with a floating body. The two sides of the screw blocking part are respectively sleeved on the main shaft, and the screw blocking part can slide freely along the axial direction of the main shaft. The flow guide mechanism is located below the screw blocking part, and the flow guide mechanism is formed by a plurality of flow guide plates connected in series, and both sides of the flow guide mechanism are respectively fixedly connected with the lower part of the main shaft. The snail blocking wall and the settlement tank of the present invention, while ensuring the interception effect, can quickly restore the water flow to be stable, and then make the oncomelania sink and settle quickly, and the effect of oncomelania interception and settlement has been significantly improved, solving the problems in the prior art. There are deficiencies.

The invention discloses a quick sunken artificial fish reef. The quick sunken artificial fish reef aims to overcome shortcomings that an existing artificial fish reef has simple functions, can be easily blocked after being used for a period of time and is unfavorable for gathering life of fish schools. The quick sunken artificial fish reef comprises a seaweed culture matrix and a fish reef matrix. A plurality of partition sheets are arranged on the outer wall of the fish reef matrix, an open shelter zone for fish schools is formed by a space between each two adjacent partition sheets, impact balls which are used for impacting the fish reef matrix are connected onto the seaweed culture matrix, high-pressure air which is used for washing fish shelter cavities is arranged on the fish reef matrix, the impact balls can set off for resilience mechanisms, air covers can be cut by the resilience mechanisms, the high-pressure air can flow out and wash the fish shelter cavities, and accordingly the fish shelter cavities can be prevented from being blocked. The quick sunken artificial fish reef has the advantages that habitat, reproduction and enemy shelter places can be provided for the fish schools by the artificial fish reef, seaweed further can be cultivated, and accordingly the quick sunken artificial fish reef has a high economic benefit; the artificial fish reef is high in stability after being released and used, and the fish shelter cavities in the fish reef matrix can be prevented from being blocked.

The invention discloses a steel-concrete composite cylinder-type foundation structure and a construction method thereof. A concrete cylinder-type transition section with a cambered wall surface is arranged on a concrete top cover; a cylinder structure which is formed by a concrete cylinder wall and a steel cylinder wall is arranged on the lower side of the concrete top cover; air blow / water pipes are uniformly arranged in the concrete cylinder wall along the radial direction; and a steel subdivision plate is arranged in the internal space of the steel cylinder wall. The construction method comprises the following steps of: prefabricating the steel-concrete composite cylinder-type foundation structure on the land; transporting the whole foundation structure to a construction site in a floating mode, and performing self-weight sinking construction and negative pressure sinking construction; after the negative pressure sinking construction is stopped, performing groundbreaking sinking construction through the air blow / water pipes; and leveling by applying different in-cabin positive pressure onto all sub-cabins through a pump system when the foundation structure is inclined in the sinking process. The foundation structure can be extremely easily sunk into a soil body to reach a designed sinking depth by overcoming the resistance of the soil body, and the sinking speed and the sinking arrival rate of a cylinder-type foundation can be substantially improved, so that the construction period of a foundation structure system is shortened, and engineering cost is greatly reduced.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for net casting. The unmanned aerial vehicle comprises a net casting assembly, a lifting mechanism assembly, an unmanned aerial vehicle main body, cover buckle assemblies and a fishing net assembly, the upper part of the net casting assembly is connected with the lower part of the unmanned aerial vehicle main body, and the lifting mechanism assembly is connected to the outer side of the net casting assembly. The number of the cover buckle assemblies is three, the three cover buckle assemblies are movably connected with the lower portion of the lifting mechanism assembly, and the fishing net assembly is arranged on the lower portion of the net casting assembly. The net casting assembly comprises a first net casting main frame body, a first connecting piece, a circular ring sliding rail and a circular ring sliding block. According to the invention, the problemthat the net cannot be completely scattered during net casting in the prior art, the sinking speed is low, the automatic net drawing cannot be realized, after the net drawing is completed, the whole net cannot float up to the water surface, and the like are solved. The invention further provides a using method of the unmanned aerial vehicle for net casting, the method is simple and convenient, theoperation of operators is facilitated, and the operators can quickly master the operation method.

The invention relates to the technical field of fishing gear production and processing, in particular to processing slurry capable of improving softness of a carbon fishing line. The processing slurry is formed by mixing nylon, bamboo charcoal, acrylic resin, glass fibers, ferric oxide, mono-quaternary ammonium salt, polytetrahydrofuran polyalcohol and phosphite antioxidant. The ratio of all the raw materials is reasonable, the slurry obtained after mixing can be used for fishing line production, the produced fishing line is good in elasticity, high in abrasion resistance and soft in texture, and can be more easily fused with a line coil, the line winding and coiling probability is reduced, the specific gravity can reach 1.85-1.92, the sinking speed is high, the water absorption is only 0.005-0.006, and ductility is only 15%-20%.

The invention discloses a construction method of a high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile. For solving the problems that an existing steel tube submergence method leads to bad adhesive effect between a hollow strengthening pipe and a jet grouting body, and the entire rigidity of a tubular pile is low, the construction method of the high pressure jet grouting hollow strengthening tubular pile comprises the following steps: (1) forming a high pressure jet grouting tubular pile, (2), communicating the hollow strengthening pipe and a high spraying grouting pipe of a high spraying grouter; and (3), placing the hollow strengthening pipe into a high pressure jet grouting pile body before cement slurry is initially set, and the bottom end of the hollow strengthening pipe is located below a bed rock boundary. The high pressure jet grouting hollow strengthening tubular pile adopts the construction method of the high pressure jet grouting hollow strengthening tubular pile. The construction method of the high pressure jet grouting hollow strengthening tubular pile and the high pressure jet grouting hollow strengthening tubular pile adopt a vibroflotation method to effectively adhere both the steel tube and the high pressure jet grouting body to an integration, extend the steel tube into the bed rock, and form a pile body structure with high stability.

The invention discloses a self-sinking fish reef comprising a self-sinking support. The self-sinking support comprises a platform, a trapezoidal support frame is arranged below the platform, and the support frame is connected by side support rods on the side faces and a bottom support rod at the bottom. Limiting columns are arranged on the portion, on the inner sides of the side support rods, below the platform. A positioning boss protruding upwards is arranged on the portion of the upper side of the platform. Multifunctional tubes are arranged at the positions close to the edge of the positioning boss. A combined reef body is arranged above the platform, and comprises annular reefs matched with the edge of the positioning boss. Through positioning holes capable of accommodating pins are formed at the side positions, close to the tops or bottoms, of the annular reefs. The self-sinking fish reef has the advantages of high sinking speed, layout stability, high proliferation efficiency, high success rate and capability of replacing proliferation varieties as required.

The invention discloses a movable prefabricated multi-barrel type gravity mixed foundation, comprising a plurality of barrel-type foundations which are axially arranged in parallel and share common surface on a barrel cover, wherein an upper barrel-type structure with an upward opening is coaxially and fixedly connected with the barrel-type foundation by the barrel cover thereon; a connecting bottom plate and rib plates which are connected into a whole with the barrel covers of the plurality of barrel-type foundations are used for connecting the upper barrel-type structures; the bottom surface of the connecting bottom plate has common surface with the bottom surface of the barrel cover of the barrel-type foundation; a foundation bearing platform positioned at the mixed foundation center is arranged on the connecting bottom plate; the barrel body of each upper barrel-type structure is filled with heavy objects; and the barrel cover of the barrel-type foundation is provided with reserved through hole capable of being opened and closed. The movable prefabricated barrel-type gravity mixed foundation does not need large transport ships when in transportation, and site installation doesnot need large hoisting ships; and the positioning and sinking equipment is simple, the construction is simple and convenient, the sinking speed is fast, the skewness is easily controlled, the vacuumpre-pressing and heavy objects filling have significant pre-pressing effect to foundation consolidation and the comprehensive engineering cost is low.

A preparation method of a low-surface-tension fishing net is disclosed. The method includes steps of (1) after acrylonitrile, ethylcyclopentenolone, dodecyl methacrylate, and glycidyl methacrylate areuniformly mixed, adding aluminum borate, alumina fibers and an initiator into the mixture, heating the mixture to 65-70 DEG C after the mixture is fully mixed, and maintaining the temperature for 2-3h to obtain a polymerization emulsion; (2) mixing the polymerization emulsion, poplar powder, glycerin and a dispersing agent, then adding the mixture into a high-speed mixer, fully mixing the mixture, then putting the mixture into a drying oven, and drying to obtain an additive; and (3) adding polyethylene resin, the additive and an antioxidant into a feeding hopper of a single-screw extruder, performing extrusion, drawing and cooling to obtain a fishing net wire, and weaving the fishing net wire to obtain the fishing net. The fishing net has excellent mechanical properties, and has low surface tension in water and a high sinking speed, thus effectively increasing the fishing efficiency.

The invention discloses a soft soil layer open caisson sinking control method. The method comprises the steps that when an open caisson sinks to a soft soil layer, sealing plates are arranged in the position, located on the soft soil layer, in holes of the open caisson, so that a plurality of confined spaces are formed by the wall of the open caisson, inner partition walls, the surface of the soft soil layer and the sealing plates, and the sinking speed and gesture of the open caisson are adjusted by adjusting the air pressures of the confined spaces. The invention further discloses a soft soil layer open caisson sinking control device. The device comprises the sealing plates which are arranged on the soft soil layer, so that the multiple confined spaces are formed by the wall of the open caisson, the inner partition walls, the surface of the soft soil layer and the sealing plates. All the sealing plates are provided with air inlets and air outlets, inflation devices which communicate with the air inlets, and deflation devices which communicate with the air outlets. The soft soil layer open caisson sinking control method and device can rapidly regulate and control the sinking gesture of the open caisson, sudden sinking of the open caisson in the deep soft soil layer is effectively prevented, and the effect that the open caisson is sunk to the preset sinking position stably and accurately is ensured.