49results about How to "Improve water shock resistance" patented technology

The invention discloses an epoxy-based super-hydrophobic fiber reinforced composite material and a preparing method thereof. The composite material includes a fiber fabric, and a resin and filler part, wherein the resin and filler part includes 100 g of epoxy resin, 220-400 g of polytetrafluoroethylene particles, 242-610 g of an organic solvent, 25-40 g of a curing agent and 3-6 g of carbon nanotubes. The method includes preparing the resin and filter part, preparing a prepreg material and curing the prepreg material to obtain the composite material. The composite material has good super-hydrophobic performance, good wear resistance, good corrosion resistance, good resistance to water flow shock, good adhesive force, high electrical conductivity, and the like, and has high application value and a good application prospect. The method is simple in process and convenient to operate, is suitable for large-scale preparation and facilitates industrial application.

The invention discloses a simple floating island type reservoir floating object intercepting device. The simple floating island type reservoir floating object intercepting device comprises a floatingisland system and a pulling anchor fixing system, and the floating island system is connected with the two sides of a river through the pulling anchor fixing system. The simple floating island type reservoir floating object intercepting device adopts modular design, has certain toughness and can bear different levels of water impact. Net plates and counter weights are installed at the bottom of the floating island system, and floating islands are provided with handrails. A navigable floating platform is arranged in the middle of the floating island system and used for ships to pass and workersto rest. The whole device can effectively intercept floating objects, algae and solid impurities, because of the advantage of modular design, the damaged part can be directly replaced without assembling the whole device, the maintenance cost is reduced, and operation is convenient.

The invention discloses a transparent, water-impact-resistant and super-lyophobic coating as well as a preparation method and application thereof. The super-lyophobic coating comprises a first coating and a second coating located on the first coating, and the first coating and the second coating are both transparent coatings; the first coating comprises a thermoplastic polymer, and the thermoplastic polymer is selected from at least one of an ethylene acrylic acid copolymer, an ethylene acrylate copolymer, an ethylene vinyl acetate copolymer, a cycloolefin copolymer, acrylic resin, cellulose acetate and butyl acetate cellulose; the second coating comprises super-hydrophobic nanoparticles; and the super-hydrophobic nano-particles are combined with the thermoplastic polymer through physical and mechanical mutual embedding and chemical adhesion effects. The coating is good in transparency and low in haze, and has excellent water impact resistance and super-lyophobic performance.

The invention discloses a rolling wheel-stored underwater tourism investigation device. The rolling wheel-stored underwater tourism investigation device includes a fixing connection plate, and two sealed cabins having the same structures; the fixing connection plate is laid on the tops of the two sealed cabins; a gap is formed between the two sealed cabins; outlook windows are arranged on two ends of the sealed cabins; the rolling wheel-stored underwater tourism investigation device also includes a dive distance measurement alarm device, pneumatic tire wheels, swinging storage racks and hydraulic cylinders; one ends of the swinging storage racks are hinged on the bottoms of the sealed cabins, and the other ends of the swinging storage racks are fixed on piston rods of the hydraulic cylinders; the hydraulic cylinders are arranged in grooves formed in the bottoms of the sealed cabins, and the pneumatic tire wheels are arranged on the swinging storage racks; and the hydraulic cylinders pull the swinging storage racks to swing, the pneumatic tire wheels follow the swinging storage racks and enter grooves. The dive distance measurement alarm device can greatly improve the dive safety, and can prevent the investigation device from hard landing or colliding with underwater obstacles; and the pneumatic tires can be easily stored.

The invention discloses a method for attaching a graphene photocatalyst on the surface of artificial water grass. The method includes the steps of artificial water grass cleaning, preparation of artificial water grass pretreatment liquid, artificial water grass pretreatment, preparation of graphene photocatalyst solution, artificial water grass coating and drying. The method is simple to operate.The artificial water grass treated by the method not only can beautify the water surface landscape as ornamental water grass, but also has a water quality purifying function, and the artificial watergrass can be reused, is simple to arrange and has wide application prospect.

The invention discloses an assembled ecological floating bed suitable for rain source type riverway. The assembled ecological floating bed comprises a floating bed body, a floating bed side slope fixing traction device and aquatic plants, the floating bed body comprises a flexible frame, streamline end frames, an integrated floating block and assembling elements, the flexible frame and the assembling elements are made of nylon materials, and the assembled ecological floating bed is good in stability, economical, practical and convenient to operate; the streamline end frames can reduce water flow resistance and reduce water flow viscous resistance energy consumption, so that the water flow impact resistance is enhanced. The integrated floating block comprises a floating plate and a plantingpot, integrity and stability are good, installation and replacement are convenient, the planting pot is of an injection molding hollowed-out type, and resistance of water flow to the floating bed canbe effectively reduced. The floating bed side slope fixing traction device comprises a traction element and a fixing pile, the position can be automatically adjusted according to the water level andwater flow conditions of a river channel water body, and high anti-scouring and anti-overturning capacity is achieved. The assembled ecological floating bed has the characteristics of good stability,good decontamination effect, strong stormy wave resistance, long service life and the like.

The invention belongs to the field of water tank wave restraining, and relates to a wave restraining plate for a water tank, in particular to a wave restraining plate assembly for the square water tank and an installing method of the wave restraining plate assembly. The wave restraining plate assembly comprises a first longitudinal wave restraining plate body, a second longitudinal wave restraining plate body and a transverse wave restraining plate body; the first longitudinal wave restraining plate body is installed on the bottom face of the square water tank in the longitudinal direction of the square water tank; the second longitudinal wave restraining plate body is installed on the top face of the square water tank in the longitudinal direction of the square water tank and is arranged in correspondence with the first longitudinal wave restraining plate body; one end of the transverse wave restraining plate body in the longitudinal direction is installed on the first longitudinal wave restraining plate body in a plug-in manner, and the other end of the transverse wave restraining plate body in the longitudinal direction is installed on the second longitudinal wave restraining plate body in a plug-in manner; and the square water tank is jointly divided by the first longitudinal wave restraining plate body, the second longitudinal wave restraining plate body and the transverse wave restraining plate body into a plurality of communicated containing cavities. The strength of the wave restraining plate is effectively improved, the deformation amount of the wave restraining plate is reduced, welding points are protected, the water leakage probability of the water tank is reduced, and the service life of the water tank is prolonged.

The invention discloses a construction method for a collapse-preventing stepped landscape retaining wall. The construction method comprises the following construction steps of a, foundation pit excavation; b, base treatment; c, regional division; d, laying of bottom layer retaining wall building blocks; e, laying of middle layer retaining wall building blocks; and f, laying of top layer retainingwall building blocks. The invention provides the construction method for the collapse-preventing stepped landscape retaining wall, existing retaining wall design of concrete pouring forming is changed, and the retaining wall is set up through the retaining wall building blocks; the overall structural design is ingenious and reasonable, mounting and dismounting are convenient and rapid, and later-period maintenance of the retaining wall is also facilitated; and through the construction method, the water flow impact resisting capacity of the retaining wall can be effectively improved, collapse of the retaining wall is prevented effectively, and the service life of the retaining wall is prolonged.

The invention discloses a sewage disinfection device and a disinfection method, and relates to the technical field of photo-catalysis and sewage treatment. The sewage disinfection device comprises a reactor which is provided with a liquid inlet and a liquid outlet, wherein the inner wall of the reactor is coated with a photocatalyst coating; and an ultraviolet lamp, which is inserted into the reactor and extends along the axis direction of the reactor. According to the prepared sewage disinfection device, the synergistic effect of the photocatalyst and the ultraviolet light is utilized, and the excellent sterilization efficiency is achieved; toxic compounds in bacteria and viruses can be directly decomposed into carbon dioxide and water, bacteria and viruses are thoroughly killed, and thephoto-reactivation phenomenon of the bacteria and the viruses can be effectively inhibited.

The invention discloses a cofferdam device for hydraulic construction. The cofferdam device comprises a first outer coaming, a second inner coaming and a clamping groove, wherein a second outer coaming is mounted below the first outer coaming; a stiffener is mounted above the left side of the first outer coaming; an auxiliary outer coaming is mounted at the end, away from the first outer coaming,of the stiffener; connecting rods are arranged on the left side of the first outer coaming; a first inner coaming is mounted on the left sides of the connecting rods; the second inner coaming is mounted below the first inner coaming; screw holes are formed in the middle of the first inner coaming; steel wire ropes are fixed below the first inner coaming; reinforcing nails are fixed below the steelwire ropes; a connecting groove is formed in the right side of the first outer coaming; a connecting block is mounted in the connecting groove. The cofferdam device for hydraulic construction is provided with a clamp plate, so that impact force of water flow on the outer coamings can be reduced, the service life of a cofferdam is prolonged, and the surface of the clamp plate is of a bulge structure.

The invention relates to a precast slab for diversion canal construction. The precast slab comprises precast slab bodies, grooves are formed in the two sides of each precast slab body in the length direction of the precast slab body, and clamping plates matched with the grooves are formed between the grooves and the corresponding side faces on the precast slab bodies; and the two precast slab bodies are taken, the clamping plate on one side of one of the precast slab bodies is inversely buckled in the groove in the other side of the other precast slab body, and the two precast slab bodies arefixedly connected. The precast slab is laid at the bottom of a diversion canal and on the dike side so that river canal water can be prevented from seeping from a cofferdam towards the bottom of a foundation pit, the ability of the diversion canal to resist water flow impact can be further greatly improved, the diversion canal is prevented from collapsing, the safety problem of foundation pit construction can be solved to a certain extent, in addition, the precast slab is low in cost, convenient to construct and easy to dismantle, and can be reused in a turnover mode.

The invention provides an improved hollow fiber nanofiltration membrane assembly, which comprises a membrane shell and a flow guide type filter membrane element arranged in the membrane shell, whereinthe flow guide type filter membrane element comprises membrane filament units arranged in a liquid channel and used for filtering, flow guide plates for improving fluid distribution, separation chambers and fixing layers arranged at the two ends of the membrane shell, poured with a resin and used for fixing the membrane filament units and the flow guide plates. According to the invention, by improving water flow distribution in the assembly, separation chambers enable water flow to be forcibly separated in the membrane element at the water inlet sside and the water outlet side of the membraneaseembly to reduce the obstruction of the membrane element to the water flow, reduce the membrane element outlet pressure drop, avoid the damage to the membrane element due to water flow impact, andeffectively improve the water flow impact resistance of the nanofiltration membrane assembly on the premise of ensuring that the hardware of the flow guide type hollow fiber nanofiltration membrane system is not changed, so that the operation efficiency of the hollow fiber nanofiltration membrane is improved, wherein the rejection rate is improved, the water production flux is improved, the pressure loss of the membrane assembly is reduced, and the service life of the membrane assembly is prolonged.

The invention discloses a washable antibacterial super-hydrophobic coating and a preparation method and application thereof.According to the method, hydrophobic interaction is utilized, after hydrophobic nano-particles form a compact hydrophobic particle film on the water surface, a drainage sedimentation technology is changed into a printing technology, namely, a base plate with a double-face bonding layer is vertically placed into water, then the base plate is rotated to the horizontal angle to be slowly lifted, and the base plate is subjected to water washing; and the particle film is attached to the double-sided bonding layer, heating is carried out to enhance the bonding force of the particle film and the double-sided bonding layer, and the super-hydrophobic coating is obtained. The preparation method takes water as a medium, does not need to use an organic solvent, and has the characteristics of simple process and environmental protection; the printing process can greatly simplify the process flow, reduce the production cost and is suitable for large-area preparation. The prepared super-hydrophobic coating has the advantages of good antibacterial performance, good super-hydrophobic performance, good underwater stability, washability, good flexibility and the like, has high practical value and good application prospects, and can be applied to the fields of medical treatment and public health, food industry, antifouling, environmental protection and the like.

The invention discloses a bridge thin-wall anti-floating design waterproof wall, and belongs to the technical field of bridge thin-wall anti-floating. The bridge thin-wall anti-floating design waterproof wall comprises a bearing assembly, a pressure buffering reinforcing part and a maintenance part; the bearing assembly comprises a balance weight base, and a waterproof wall plate is movably arranged on the left side of the top of the balance weight base; the pressure buffering reinforcing part comprises a triangular guide seat fixed to one side of the waterproof wallboard, a box body is fixed to the middle of the top of the balance weight base, and a water guide pipe communicated with the guide seat is obliquely inserted into the side, close to the waterproof wallboard, of the guide seat; and the maintenance part is arranged at the top of the counterweight base. A guide seat is arranged, when the device is impacted by external water flow, the impact force can be effectively dispersed to the two sides, meanwhile, the water flow can enter the water guide seat through the water inlet hole, and after the water flow in the water guide seat reaches the corresponding height, the entering water flow enters the box body from the water guide pipe, water flow entering the box body and the water guide seat can give a certain load to the waterproof wall, so that the waterproof wall is higher in stability during use.

The invention discloses structures and construction method for main canal entering river section drop energy dissipation and downstream canal slope repairing and reinforcing. The drop energy dissipation structure comprises a first-stage stilling sill arranged in the middle part of a drop chute and perpendicular to drop water flow, wherein a second-stage stilling sill perpendicular to the drop water flow is arranged at the tail of the drop chute, and the height of the first-stage stilling sill is higher than the height of the second-stage stilling sill; the canal slope repairing and reinforcingstructures are arranged at the two banks of the confluence of a river channel and a main canal, the canal slope repairing and reinforcing structures comprise canal bottoms, wherein canal slopes whichare obliquely arranged upwards are arranged on the two sides of the canal bottoms; and top sealing key-walls are further arranged on the outer sides of the tops of the canal slopes, first-stage key-walls are arranged at the bottoms of the canal slopes, and second-stage key-walls are arranged between the first-stage key-walls and the canal bottoms. It can be guaranteed that the water flow dissipates energy in the drop chute, the drop energy dissipation effect is improved, a flow guide effect on the water is achieved, and water flow turbulence is avoided; and mortared rubble layers are good instability and high in erosion resistance, so that long-term stress falling of lining structures of the canal slopes on the two banks of the downstream of the river channel is avoided, canal slope water and soil loss and loosening are avoided, and potential safety hazards are eliminated.

The invention discloses a water-oil separation container for swill. The water-oil separation container comprises a container body, the upper end of the container body is communicated with a mixed liquid incoming pipe while the bottom end of the same is communicated with a water discharging pipe and an oil discharging pipe, an electromagnetic valve is arranged on the oil discharging pipe, a partition capable of separating the water discharging pipe from the mixed liquid incoming pipe and the oil discharging pipe is arranged at the bottom end of the container body, a retaining plate is integrally formed on one side, close to the water discharging pipe, of the partition, and multiple through holes are formed in the partition equidistantly; an oil-water isolation member capable of controllingopening and closing of the corresponding through hole is movably arranged in each through hole; specific gravity of water is defined as that each through hole can be opened when the corresponding oil-water isolation member is in the water and liquid greater than in specific gravity and can be closed when the corresponding oil-water isolation member is in oil and liquid smaller than in specific gravity. The water-oil separation container can isolate oil rather than water, the circumstance that conventional treatment ponds occupy big space is avoided, and the water-oil separation container is quick, stable and effective in water-oil separation.

The invention relates to a hydraulic gate seismic oscillation and water flow excitation coupling system and synthetic method. The method comprises steps of obtaining waveform data of an external force on a hydraulic gate, the waveform data comprising seismic wave data and flow shock wave data; drawing waveform curves according to the waveform data, synthesizing the waveform curves to obtain a dynamic wave curve, and transmitting the dynamic wave curve to a terminal; and analyzing the dynamic wave curve through a terminal to obtain a synthesis result. According to the method, waveforms generated by water flow-earthquake are coupled, then the coupling result is analyzed, a water flow-earthquake coupling action mechanism is obtained, data and technical support can be provided for building a hydraulic gate and improving the shock resistance and water flow impact resistance of the hydraulic gate, and the device is high in practicability and worthy of popularization.

The invention discloses a hinge dam. The hinge dam comprise an arched dam body and first bases; the arched dam body is connected with the first bases through driving mechanisms; each driving mechanismcomprises a hydraulic press; telescopic rods are mounted at the upper ends of the hydraulic presses correspondingly; the telescopic rods are connected with the arched dam body through connecting rodsand connected with the hydraulic presses through connecting frames; second bases are mounted in the first bases; first tracks are disposed on one sides of the second bases; second tracks are disposedon the inner walls of the second bases; the second tracks are connected with base plates through protruding blocks; mounting cavities are formed in the base plates; a plurality of power generating mechanisms are mounted on the upstream surface of the arched dam body; and each power generating mechanism comprises a first cavity, wherein the middle of the first cavity is connected with an impellerthrough a rotary shaft, and a net is mounted in an opening of the first cavity. By means of the hinge dam, the water flow impact resistance can be effectively enhanced, the risks of deformation or collapse of the hinge dam are lowered, usage is convenient, fast and efficient, the safety is high, and the practicability is good.