92results about How to "Increase buoyancy" patented technology

The invention discloses a construction method of an ultra-deep buoyancy type double-wall steel hanging box based on a strong tide reciprocating flow sea-crossing bridge bearing platform. The construction method comprises the five process steps of preparation before construction of the steel hanging box, hoisting and lowering of the steel hanging box, preparation before pouring of bottom sealing concrete, pouring of the bottom sealing concrete and construction of the bearing platform. According to the design and construction method for the ultra-deep buoyancy type double-wall steel hanging box based on the strong tide reciprocating flow sea-crossing bridge bearing platform, the buoyancy cabin is arranged for the double-wall steel hanging box of the strong tide rapid flow ultra-large water head to ingeniously solve the problem that the self weight of the steel hanging box is large, four pile casing post-cast strips are reserved to serve as stabilizing measures for resisting reciprocating flow impact in the bearing platform construction period, and the construction efficiency is improved. The construction technology is ingenious, a foundation is laid for smoothly achieving the construction period target of the Hangzhou bay cross-sea railway bridge, and good economical efficiency, practicability and application and popularization value are achieved.

The utility model relates to the technical field of anti-floating anchor rods, and particularly discloses a post-reinforcement anti-floating anchor rod which comprises three reinforcing steel bars, the outer sides of the three reinforcing steel bars are sleeved with the same connecting end, a first grouting pipe is slidably connected to the interior of the connecting end, a second grouting pipe is slidably connected to the interior of the connecting end, and the first grouting pipe and the second grouting pipe are sleeved with the same connecting end. The first grouting pipe and the second grouting pipe are both located among the three steel bars, a plurality of supporting components are arranged on the outer sides of the three steel bars, and the movable cover and the first movable insertion plate are lifted through concrete and inserted into soil. And after the concrete forms the anchoring body, the first movable insertion plate is also fixed, so that the first movable insertion plate is stably inserted into the soil, and after the buoyancy of underground water is increased, the friction force between the anchoring body and the soil is increased through the first insertion plate, so that the stability of the anchoring body is enhanced.

The utility model discloses an accurate fry feeding control device, and relates to the technical field of aquaculture. In order to mainly solve the problem of feed waste caused by the fact that an existing accurate fry feeding control device cannot be adjusted according to actual needs, the following technical scheme is provided: the accurate fry feeding control device comprises a floating frame used for defining a feeding area and a feeding assembly used for feeding feed to the feeding area; the floating frame comprises a floating frame main body, a blocking net covering the floating frame main body, a floating piece nested in the blocking net and lantern rings arranged at corners of the blocking net; the feeding assembly comprises a discharging port, a material conveying piece and a material bin, the discharging port is located in the feeding area, the material bin is arranged outside the floating frame body, one end of the material conveying piece is communicated with the discharging port, and the other end of the material conveying piece is communicated with the material bin. The automatic feeding device has the advantages that the blocking net can be partially arranged above and below the water surface, feed is prevented from floating out of a feeding area, feeding can be conducted at regular time or according to needs through the feeding assembly, waste of the feed is reduced, and feeding flexibility is improved.

The invention discloses a suspended ballast floating type offshore wind power foundation suitable for water depth and a using method, and belongs to the technical field of floating type offshore wind power generation. The wind power foundation comprises a three-stand-column semi-submersible foundation, a mooring system and a control system, and the three-stand-column semi-submersible foundation comprises three vertical stand columns, a supporting rod and a ballast caisson; the ballast caisson is connected with a sliding rail arranged on the side wall of the vertical stand column through a sliding rope, so that the ballast caisson moves up and down relative to the vertical stand column, the position of the ballast caisson is adjusted through a control system, and then the gravity center position and the draft depth of the foundation are adjusted so as to adapt to different environmental conditions, and the stability and the anti-overturning capacity are ensured. The use method comprises the steps of monitoring environmental conditions, calculating overturning moment, calculating anti-overturning moment, adjusting the depth of the ballast caisson and recording and analyzing data, the required moving depth of the ballast caisson is reversely deduced by calculating the overturning moment to ensure that the gravity center and the buoyancy center of the foundation are kept at proper positions, and the risk of overturning of the foundation is reduced.

The utility model discloses an anti-storm anti-toppling buoy which comprises a buoy body and a balance assembly, and the top of the buoy body is of a cavity structure. The balance assembly comprises a balancing weight, a fixing rod, a hinge rod and a bearing plate. The bearing plate is located in a cavity of the buoy body and is in sliding connection with the buoy body, the multiple balancing weights are located in the anti-collision support and are in sliding connection with the anti-collision support, one end of the fixing rod is fixed to the balancing weights, the other end of the fixing rod is hinged to one end of the hinge rod, and the other end of the hinge rod is hinged to the bearing plate; through the arrangement of the balance assembly, seawater is poured into the bearing plate of the buoy body through stormy waves, the gravity of the seawater is utilized to drive the bearing plate to move downwards, the balancing weight is driven to move towards the outer side of the buoy body, the gravity of the outer side of the buoy is increased, and the outer side part of the buoy can be supported by more buoyancy; the impact of large storm waves on the inner side of the buoy is reduced, so that the whole buoy is kept stable, and the buoy is balanced.

The safe and stable type sea rescue boat comprises a boat body and a control panel embedded in one side of the interior of the boat body, a cabin is formed in the boat body, a pair of side base plates are installed on the boat body in a penetrating mode through the rear side of the cabin, and the side base plates extend out of the boat body and are provided with sleeve rods; dynamic adjustment of the load capacity of the overall structure of the rescue boat is achieved through the additionally-arranged air bag structure, surrounding adjustment of the rescue boat is completed through the cover body structure with the variable coverage area, and specifically, control of sedimentation drainage and obtaining of advancing deflection are completed by combining the real-time state of the rescue boat in the rescue process through an intelligent analysis control module. And dynamic adjustment of the load capacity and stable operation control are realized through intelligent control of the rescue boat, so that buoyancy control of the rescue boat for rescued people in the rescue process is met, and the problem of overweight risk in the rescue process is prevented.

The invention provides a high-purity quartz preparation method and product through complexing impurity removal and preferential corrosion co-processing, and the method comprises the following steps: carrying out sand making on quartz raw ore to obtain first quartz particles; performing pre-purification treatment on the first quartz particles to obtain second quartz particles; performing complexing impurity removal on the second quartz particles to obtain third quartz particles; carrying out flotation on the third quartz particles, and cleaning to obtain fourth quartz particles; and carrying out selective corrosion and tailing discarding on the fourth quartz particles, and filtering, washing and drying to obtain the high-purity quartz. According to the preparation method of the high-purity quartz, the requirement on the high-purity quartz raw material is relatively low, and the preparation of a product with higher purity under the same-quality raw material can be realized.

The invention relates to the technical field of robot communication control, in particular to a recoverable buoy system for a modular underwater robot and a control method.The buoy comprises a shell, a communication module and an acquisition module, and an adjusting module comprises a buoyancy adjusting mechanism and a gravity center adjusting mechanism; the buoyancy adjusting mechanism adjusts the action of an electromagnetic valve according to the buoy depth to realize buoyancy adjustment, and the gravity center adjusting mechanism adjusts the gravity center position according to a preset gravity center position and a gravity center adjusting curve; the power module comprises a first power set and a second power set. The control module is used for determining the adjusting mode of the buoyancy adjusting mechanism, the adjusting mode of the gravity center adjusting mechanism and the adjusting mode of the power module. And the power supply module realizes effective positioning and flexible release and recovery of the buoy, and promotes the same-speed cooperative movement and real-time communication of the buoy and the underwater robot.

The anti-drowning intelligent wearable necklace comprises a necklace main body, the necklace main body comprises a necklace ring, a connecting body, an air bag ring, a poke rod, a channel and a gas generator, the air bag ring is arranged in the necklace ring, the connecting body is arranged at the end of the necklace ring, and the gas generator is arranged in the connecting body; by designing the protection mechanism, the button clamping head can be clamped in the button clamping groove to fixedly mount the protection air bag on the inner surface of the connector, the protection air bag is inflated through the external thread air inlet to be hermetically mounted, and the protection air bag is mounted on the inner surface of the connector to be used for protection; when the necklace main body is drowned and floats in water and is unstable, the connecting body shakes and touches the jaw and the neck, the surface of the protective air bag is used for protection, a user is not prone to being injured when being touched during drowning prevention, and meanwhile the protective air bag enhances buoyancy to achieve more stable lifesaving use.

The invention relates to the technical field of offshore photovoltaic power generation, and discloses an offshore floating type photovoltaic supporting structure system which comprises a main floating pipe capable of providing main buoyancy support for the whole and providing enough buoyancy in seawater, so that the whole photovoltaic system floats on the sea surface; the auxiliary floating pipe, the main floating pipe and the auxiliary floating pipe are connected with the three-dimensional truss to maintain the overall shape and rigidity of the system, extra buoyancy is increased by the auxiliary floating pipe, the stability of the system under various ocean conditions is ensured, the buoyancy load of the system is dispersed through cooperation of the main floating pipe and the auxiliary floating pipe, local stress concentration is reduced, and the service life of the system is prolonged. The buoyancy of seawater and the action of waves should be considered in the design of the floating pipes, it is ensured that the system stably floats on the sea surface through reasonable layout and design, and it is ensured that the system can still keep stable under the action of strong stormy waves through the high-strength and rigid design of the three-dimensional trusses and the auxiliary trusses; and the stability and safety of the whole structure are kept.

The utility model relates to the technical field of mytilus coruscus breeding, and discloses a mytilus coruscus ecological breeding floating bed which comprises a PVC surrounding pipe and a foam column, a PVC net plate is fixedly installed in the PVC surrounding pipe, a plurality of meshes are formed in the PVC net plate, and a remote control receiving box is fixedly connected to the side face of the PVC surrounding pipe. According to the ecological breeding floating bed for mytilus coruscus, connecting arms on the two sides are used for controlling damping rods and springs to stretch, positioning columns on the side faces of the connecting arms and the connecting rods move outwards, then foam columns are aligned to the positioning columns, the connecting arms are loosened and reset under the potential energy action of the damping rods and the springs, and then the positioning columns position the foam columns; the whole buoyancy can be enhanced by utilizing the foam column, the floating bed is controlled in a remote control mode in the whole operation process to carry out movable uniform seed feeding, then the uniformity of the mytilus coruscus seeds in the culture pond is kept, the whole survival rate is improved, and the problem that labor is wasted by manual operation can be solved in the whole operation process.

The invention discloses a device for preventing water from entering a kayak body during overturning of a kayak, and relates to the technical field of kayaks. The kayak comprises a hull assembly, a protection assembly and a floating assembly, the hull assembly comprises a kayak body, a cabin is formed in the middle of the top end of the kayak body, a lifting plate is located in the cabin, two sets of vacuum air bags are arranged in two sets of air bag cabins correspondingly, and extraction openings are formed in the tops of the two sets of vacuum air bags correspondingly; a stable and reliable mechanical structure is adopted, a large amount of water can be effectively prevented from entering the kayak body when the kayak rolls over, the situation that the kayak body sinks to the bottom due to the fact that the kayak body enters the water is avoided, personnel can be better helped to break away from the kayak, and the service life of the kayak is prolonged. And the safety is improved.

The invention relates to a flotation method for lead-zinc-sulfide pyrite, and belongs to the flotation field in a mineral processing method. The lead-zinc-sulfide ore to be separated by flotation is ground to a particle size of less than 0.074 mm, which reaches 60-90%. The ore pulp is adjusted to a concentration of 28%-35%, and a regulator is added to make the pH value of the ore pulp 8-12. CaS in an amount of 1200-3200 g / t and butyl ether alcohol in an amount of 20-50 g / t are added to the obtained ore pulp to float the pyrite. A zinc inhibitor ZnSO4·7H2O in an amount of 500-1500 g / t is added to the obtained sulfur flotation tailings. The collector ethyl sulfide nitrogen is used in an amount of 40-80 g / t and the frother 2# oil is used in an amount of 30 g / t to prepare the slurry, and then the slurry is transported to the lead flotation system for flotation to obtain lead sulfide concentrate and lead flotation tailings; the obtained lead flotation tailings are added with a zinc sulfide activator CuSO4·5H2O in an amount of 100-400 g / t, a collector butyl xanthate is added in an amount of 100-200 g / t and the frother 2# oil is used in an amount of 30 g / t to prepare the slurry, and then the slurry is transported to the zinc flotation system for flotation to obtain zinc sulfide concentrate and flotation tailings; finally, high-quality pyrite concentrate, lead sulfide concentrate and zinc sulfide concentrate are obtained.

This application relates to the field of anti-buoyancy technology in building engineering, and particularly to an anti-buoyancy anchor construction process and an anti-buoyancy anchor, comprising: S1: preliminary preparation; S2: rod assembly; S3: hole drilling and enlarging, drilling a deep hole at a preset position, and after drilling to the target depth, performing end enlarging construction within the enlarged hole depth range to form an anchoring grouting zone; S4: anchor lowering, lowering the finished anchor to the target depth in the hole, at which time the enlarged bladder extends into the sediment at the bottom of the hole; S5: grouting operation, injecting grout into the enlarged bladder through a grouting pipe to expand the enlarged bladder and push the sediment at the bottom of the hole outward until the enlarged bladder is filled with grout, completing the grouting construction in one step, and completing the grouting construction of the gap between the anchor rod and the inner wall of the hole; S6: prestressing locking; S7: casting to obtain the anchor anti-buoyancy system; This application has the effect of reducing the possibility that sediment at the bottom of the hole will combine with the concrete mortar during the grouting process and affect the anchoring effect of the anti-buoyancy anchor.

The utility model relates to an ocean floating type hose with high buoyancy, each section of hose comprises a main pipe body, an auxiliary pipe body, a flange I, a flange II and a stagnant oil interface defined by the main pipe body, the auxiliary pipe body, the flange I and the flange II, and the main pipe body comprises a lining layer I, a cord fabric reinforcing layer I and a rubber coating layer I; the auxiliary pipe body comprises a lining layer II wrapping the outer side of the main pipe body, a cord fabric reinforcing layer II and a rubber wrapping layer II internally provided with a floating layer and a self-expansion leakage early warning layer. The floating layer comprises a floating air bag arranged in the axial direction of the hose, an air conveying pipeline communicated with the floating air bag is arranged on the auxiliary pipe body, and the other end of the air conveying pipeline is communicated with an air valve of an external air pressure source. According to the ocean floating type hose with the high buoyancy, the floating air bag is arranged in the hose, the total buoyancy of the hose can be remarkably increased, it is ensured that the hose is kept in a floating state in water, it is crucial to liquid conveying, and damage or operation interruption caused by hose sinking can be prevented.

The invention discloses an unpowered emergency drainage device for a flooded plant of a hydraulic power plant. The unpowered emergency drainage device comprises a buoyancy assembly, a transmission assembly, a drainage channel and a drainage channel thrust butterfly valve. The buoyancy assembly at least comprises a driving block, and the drainage channel thrust butterfly valve is installed in the drainage channel. The transmission assembly comprises a fixed transmission seat, a telescopic power rod and a transmission rod, and the fixed transmission seat is fixedly mounted; the telescopic power rod is rotationally mounted on the fixed transmission seat, one end of the telescopic power rod is rotationally connected with the driving block, and the other end is a transmission part; the transmission rod is slidably mounted on the fixed transmission seat, one end of the transmission rod is in contact with the transmission portion, and the other end of the transmission rod is in contact with the drainage channel thrust butterfly valve. Buoyancy or gravity is ingeniously used as a driving source, so that the driving block can automatically ascend or descend along with the change of the water level, the opening and closing of the corresponding valve are driven through the ascending or descending action of the driving block, the opening and closing of the drainage channel are effectively controlled, and the device can automatically operate under the conditions of power failure and circuit failure.

This utility model provides a multifunctional floating platform for fire and water rescue, belonging to the field of emergency rescue equipment technology. It addresses the problem that existing methods require breaking ice while approaching trapped personnel, which is cumbersome and affects rescue efficiency. The platform includes a main body, a rescue anti-slip mat, an anti-capsulation hull, a multifunctional rescue mechanism, and a rescue conversion mechanism. The rescue anti-slip mat is fixedly connected to the top of the main body. The marking drive box is fixedly connected to the upper rear end of the rescue anti-slip mat. The anti-capsulation hulls are fixedly connected to the lower left and right sides of the main body. Rescue limiting blocks are fixedly connected to the lower part of the anti-capsulation hull. The multifunctional rescue mechanism is located on the outside of the main body. The rescue conversion mechanism is located below the anti-capsulation hull, allowing for rapid assembly and eliminating the need to break ice while approaching or to navigate the ice surface before inflating the platform, thus simplifying the pre-rescue preparation process.

The invention discloses an antimony-gold concentrate flotation antimony removal process, belongs to the technical field of ore flotation, and aims to solve the technical problem that the gold enrichment performance and antimony removal performance of antimony-gold concentrate flotation need to be further improved in the prior art. According to the method, a step-by-step interface regulation and control system composed of an arsenic directional collecting agent, an antimony selective collecting agent and a lead chelating dispersing agent is constructed, and interface substrate reforming, target phase interface recognition strengthening and terminal interface convergence are sequentially achieved in ore pulp, so that a flotation layering environment with gradient selectivity is formed; according to the technical scheme, the interface stability of associated impurities such as arsenic, antimony and lead can be weakened step by step while interface activation of gold particles is kept, and efficient purification of refractory gold concentrate is achieved.

The invention discloses edible oil water extraction method processing equipment, and belongs to the technical field of agricultural product processing, the edible oil water extraction method processing equipment comprises a water-oil separation mechanism and oil discharge pipes, the water-oil separation mechanism is arranged in a separation cavity, a plurality of oil discharge pipes are communicated with an oil discharge port of the water-oil separation mechanism, one end, far away from the water-oil separation mechanism, of each oil discharge pipe extends out of a tank body, and flow meters are arranged on the oil discharge pipes; an electromagnetic valve is arranged on the feeding pipe; and the electromagnetic valve and the flow meter are electrically connected with the controller. According to the edible oil water extraction method processing equipment, water-oil separation can be achieved through the water-oil separation mechanism, separated grease can be discharged through the oil discharging pipe, and water and slag can be discharged into the slag discharging water tank through the water-slag pipe; when the oil flow in the oil discharge pipe is small, the flow meter transmits a signal to the controller, and the controller controls the electromagnetic valve to accelerate the leading-in speed of the sauce blank, so that the oil flow in the oil discharge pipe is increased, and the oil outlet rate is greatly improved.

The application relates to a water-depth-adaptive suspension ballast type floating offshore wind power foundation and a use method thereof, and belongs to the technical field of floating offshore wind power generation. The wind power foundation comprises a three-column semi-submersible foundation, a mooring system and a control system. The three-column semi-submersible foundation comprises three vertical columns, a support rod and a ballast caisson. The ballast caisson is connected with a sliding rail arranged on the side wall of the vertical column through a sliding rope, the ballast caisson is moved up and down relative to the vertical column, the position of the ballast caisson is adjusted through the control system, the position of the gravity center of the foundation and the draft are adjusted, different environmental conditions are adapted, and the stability and the overturning resistance are ensured. The use method comprises monitoring environmental conditions, calculating an overturning torque, calculating an overturning resistance torque, adjusting the depth of the ballast caisson and data recording and analysis. The depth required by the ballast caisson to be moved is deduced through the calculation of the overturning torque, so that the gravity center and the floating center of the foundation are kept at a proper position, and the risk of overturning of the foundation is reduced.

The utility model relates to the technical field of generator, specifically is a kind of towed hydroelectric power generation equipment, including barge, control panel and waterproof cable, two groups of barge between respectively being equipped with horizontal plate and float plate, horizontal plate side passes through bolt installation pull rod, the top of horizontal plate is equipped with battery box, the bottom of two groups of barge is equipped with float block and counterweight respectively;The bottom of horizontal plate passes through bolt installation outer tube, the outer tube bottom is equipped with mesh filter tube, the inner wall both sides of outer tube are connected with generator by bolt, the bottom of generator is equipped with impeller.Rope sleeve buckle is buckled in hand lever, artificial or using mechanical ship downstream or upstream towed barge, can adjust the angle of towed equipment according to the size of water flow, make water flow scour impeller, and not prone to jamming phenomenon, it is convenient to adjust and maintain in time, it is favorable to carry out efficient power generation.

The invention discloses a multifunctional waterproof first-aid kit, and particularly relates to the technical field of first-aid kits, the multifunctional waterproof first-aid kit comprises a first-aid kit main body, a cover body, a connecting part, a sealing part and a protection part, the side wall of the first-aid kit main body comprises a first inner wall layer and a first outer wall layer, and a storage assembly is arranged in the first-aid kit main body; the first-aid kit body and the cover body are both made of waterproof materials, and the side wall of the cover body comprises a second inner wall layer and a second outer wall layer. The connecting part comprises a connecting belt; the sealing part comprises a sealing cavity, and an inflation and deflation assembly is arranged in the first-aid kit body. The protection part comprises a protection cavity, and an automatic inflation assembly is arranged on the upper side of the first-aid kit body. Through the arrangement of the multiple layers of waterproof structures, it can be avoided that first-aid articles go bad or are damaged after encountering water, and therefore normal use of the first-aid articles is affected, the protection part can further protect the first-aid articles, and the application range of the first-aid kit is widened.

This utility model discloses a flotation cell, belonging to the field of flotation cell technology. It includes a cell body and an aeration structure. The cell body has through-slots and locking slots on its left and right sides, respectively. Bottom baffles and top baffles are respectively provided at the bottom and top of the through-slots. The aeration structure includes a connecting pipe, a movable cover, an aeration pipe, and an aeration pump. The connecting pipe is located at the bottom of the cell body, the movable cover is located at the bottom of the outer surface of the connecting pipe, the aeration pipe is located at the bottom of the movable cover, and the aeration pump is located at the end of the aeration pipe furthest from the movable cover. This flotation cell changes the size of the bubbles by altering the length of the aeration pipe extending into the movable cover, thus changing the airflow at the bottom. The combination of porous media, the aeration pipe, the movable cover, and the aeration pump simulates the effect of a flotation column foamer, achieving micro-bubbles during bottom aeration, optimizing the flotation effect, and improving the flotation recovery rate of both oxide and sulfide ores. Bottom aeration allows large mineral particles to contact the bubbles, improving their floatability.

The invention discloses waste water treatment equipment for FPSO (floating production storage and offloading), which comprises a treatment equipment platform, the top of the treatment equipment platform is provided with a waste water treatment barrel, the waste water treatment barrel is connected with a waste water conveying pipe, one end of the waste water conveying pipe extends into the waste water treatment barrel, and the top of the treatment equipment platform is provided with a support plate; according to the waste water treatment equipment for the FPSO, in the rainy weather, collected rainwater is conveyed into the waste water treatment barrel, through operation of the air conveying assembly, air is discharged from a plurality of air outlet holes, tiny bubbles are formed, the bubbles are combined with oil drops, buoyancy is increased, the oil drops float upwards, and the oil drops are discharged out of the waste water treatment barrel. And in the gas conveying process, the rotary driving assembly is started to operate, the ventilation steel pipe is driven to rotate, external air can be evenly conveyed into the waste water treatment barrel, the petroleum in the waste water can be fully combined with bubbles and floats on the water surface, and the separation effect is better.

This utility model relates to the field of aerator support technology and discloses a pool aerator support with a telescopic structure, including a telescopic column, a buoyancy-driven telescopic component on the surface of the telescopic column, and a wind-resistant stabilizing component near the bottom of the surface of the telescopic column. The buoyancy-driven telescopic component includes a vertical sleeve, which is fixedly connected to the surface of the telescopic column near the top. This pool aerator support with a telescopic structure, by incorporating a buoyancy-driven telescopic component and a hollow cylindrical buoyancy chamber filled with a small amount of air to enhance buoyancy, allows it to float upwards under buoyancy, pushing the telescopic rod to slide upwards along the vertical sleeve. When the sleeve slides, the aerator inside slides along with it to avoid being submerged. When a lowering height is needed, a corresponding number of extension counterweights can be installed to increase gravity, causing the telescopic rod to slide down and the aerator to automatically lower to a suitable height, maintaining optimal aeration efficiency.

This invention provides a type of glass and its preparation method, belonging to the field of glass technology. The glass batch comprises the following raw materials in parts by weight: 679-713 parts silica sand, 4-40 parts feldspar, 39-59 parts wollastonite, 129-154 parts dolomite, 42-55 parts limestone, 224-231 parts soda ash, 8-10 parts sodium sulfate, and 0.3-0.4 parts carbon powder. This invention can reduce CO2 emissions from float glass production, decrease bubble defects, and improve the quality of the finished glass.

The invention discloses a floating type photovoltaic platform for photovoltaic panel power generation and a photovoltaic power generation system, the photovoltaic platform comprises a plurality of bearing devices, the bearing devices are connected through reduction assemblies, and power generation assemblies are arranged in the bearing devices; the limiting device is arranged around the bearing device, and the end part of the limiting device extends to the seabed; wherein the bearing device comprises a bearing block, the bearing block is made of concrete, and a cavity is formed in the bearing block; and a polymer pipeline is arranged in the cavity and is filled with a foaming material. The bearing device is a bearing block made of concrete, has high strength and durability, can resist external force such as buoyancy and stormy waves in water, and ensures that the power generation assembly stably floats on the water surface. Meanwhile, the cost of concrete materials is relatively low, and the overall construction cost can be reduced.

The utility model discloses a basement anti-floating reinforcing structure, which belongs to the technical field of building anti-floating, aims at solving the problem that more underground water levels cannot be handled only by anti-floating anchor rods, and comprises a basement main body, a protection mechanism is arranged at the bottom of the basement main body, and a plurality of uniformly distributed anti-floating anchor rods are arranged at the bottom of the basement main body. According to the anti-floating basement, the protection mechanism, the drainage well and the anti-floating anchor rods are arranged to be matched together, the anti-floating capacity of the basement body is improved in multiple directions, waterproof treatment is carried out through the waterproof layer, and therefore the anti-floating basement is good in anti-floating effect and good in anti-floating effect. The weight of the basement main body is increased through the counterweight layer, so that the basement main body is more stable, accumulated water around the basement main body is drained in time through the cooperation of the drainage pump and the drainage well, and the influence of the underground water level on the basement main body is reduced.

The invention relates to a method for efficiently recovering copper metal in white smoke dust leaching residues, and belongs to the field of comprehensive recovery of resources. Due to the fact that metal ions which are not completely washed remain on the surface of the leaching residues, Bi < 3 + >, Cu < 2 + >, Fe < 3 + > and the like are hydrolyzed and precipitated along with the increase of the pH value of the leaching residues in the flotation slurrying process, hydrophilic hydroxide and oxychloride covers are formed on the surface of copper sulfide, and CuS flotation is inhibited. According to the method, the leaching residues are washed with the HNO3 + NaCl solution, a sediment cover layer on the surface of the copper sulfide can be dissolved, the natural flotation property of the copper sulfide is recovered, and the efficiency of recovering the copper sulfide through flotation of the leaching residues is improved. The pretreatment technology before flotation has the advantages of being high in applicability, remarkable in effect and easy to implement on site, technological indexes can be optimized on the basis of an original flotation technology, the efficiency of separating copper and lead in the leaching residues is improved, useful minerals are prevented from being lost in tailings in the flotation circulation process, and optimization of the on-site flotation technology is achieved.

The invention provides a water conservancy project detection method, and belongs to the technical field of water body sampling. The water conservancy project detection sampling method is used for carrying out sampling detection on a water conservancy project, and is realized through the water conservancy project detection sampling system. Through the arrangement of the inner rod and the outer pipe, the water body sampling mechanism is put into water, the handle is pressed to enable the sealing gasket to move downwards to open the first water inlet, then the handle is pressed to enable the inner rod to move downwards to enable the first water inlet to correspond to the second water inlet, and at the moment, upper-layer water, middle-layer water and lower-layer water flow into the corresponding water storage cavities respectively; the inner rod is pulled out, water samples of all layers can be collected through one-time operation, operation is easy and convenient, and water sampling convenience and efficiency are greatly improved.