192results about How to "Prevent wash away" patented technology

The invention relates to the technical field of an aquaculture net cage, and particularly discloses an aquaculture net cage improving the utilization ratio of baits. The aquaculture net cage comprises a net cage fixing support and nettings, wherein the net cage fixing support comprises four upright rods; the upper ends of the nettings are provided with floating blocks; the upper end and the lower end of each upright rod are respectively provided with an upper fixing seat and a lower fixing seat; a steel rope is arranged between each of the upper fixing seats and the corresponding lower fixing seat; sliding rings are arranged on each of the steel ropes; the sides of the nettings are respectively connected with the sliding rings through ropes; the bottom parts of the nettings are respectively provided with heavy blocks; a plurality of mutually parallel baffle plates are arranged between the outer sides of every two adjacent upright rods; the baffle plates and the upright rods are rotationally connected; the lower side face of each baffle plate is connected with the corresponding upright rods through pull springs; two ends of each baffle plate are also respectively provided with a pull rope; the pull ropes and the baffle plates are all fixedly connected; the upper end of each pull rope is provided with a hanging hook; the upper end of each upright rod is provided with an upper hanging hook seat; a lower hanging hook seat is arranged on each of the upper fixing seat. Therefore the aquaculture net cage has the beneficial effects of effectively preventing the baits from being washed away by water flow, improving the utilization ratio of the baits, and lowering the feeding cost.

The invention relates to a cultivation technology for vegetation, in particular to a method for planting Suaeda salsa and other halophytes in the dry and windy desert saline and alkaline soil. The method comprises the following steps: the seeds of Suaeda salsa or other salt tolerant plants are planted in any desert saline and alkaline soil ditched in the specific direction in September to November, so that the seeds are prevented from being blown away by wind, the required moisture for seed germinating in spring can be ensured by fully utilizing the snowfall during the winter; and the specific direction of ditching is the direction perpendicular to the wind direction during the sowing. By adopting the method, the negative influence of the strong wind and dry weather to the planting of the Suaeda salsa and the other halophytes is overcome, the Suaeda salsa and the other halophytes can be planted in the extremely arid high saline and alkaline soil at inland on a large scale, the vegetation is established, the bare alkaline deserts, the diffusion of the salinization and the aaline-alkaline dust storm thereof can be eliminated, and the improvement and the optimization of the ecological environment can be realized.

The invention discloses an optical fiber grating composite insulator for ice coating state measurement and a manufacturing method thereof, and relates to the field of online monitoring of power transmission and transformation equipment. An optical fiber in parallel to a core rod is implanted in a silicone rubber sheath of the optical fiber grating composite insulator; a grating is arranged on theoptical fiber and the optical fiber is sleeved with a protection sleeve; a groove is engraved on an assembling face of the silicon rubber sheath, which faces the core rod; the optical fiber sleeved with the protection sleeve is placed into the groove and the groove is filled with a liquid material to fix the optical fiber; and when an umbrella skirt generates an ice layer or ice, the umbrella skirt is deformed so as to cause the change of a grating wavelength in the optical fiber, and by the change of the grating wavelength, an ice coating state of the composite insulator can be calculated. The optical fiber grating composite insulator can measure deformation of the umbrella skirt according to the optical fiber and the grating of the optical fiber grating composite insulator, an ice coating degree of the composite insulator is accurately measured, and the optical fiber grating composite insulator has wide application value.

The invention relates to a pressure-bearing lost circulation additive for a drilling fluid and for stably bearing pressure on a smooth fracture leakage wall surface. The lost circulation additive is composed of 10%-20% of damping material, 45%-50% of bridging material and 35%-40% of filling material by weight, wherein the damping material is an industrial metal screen, having the size of the damping material is 1.0*1.0mm to 3.0*3.0 mm and the thickness of the damping material is about 0.5 mm; the bridging material is calcium carbonate particles, and the standard mesh number of the screening mesh product of the bridging material is lower than 20 meshes; the filling material is a mixture composed of calcium carbonate powder and flexible graphite powder; the calcium carbonate powder is further divided into three grades to realize multi-grade filling and to form a compact shielding layer; and the mesh number of the flexible graphite is greater than 150, and the anti-pressure ability of a bridge plug section is improved. With the pressure-bearing lost circulation additive for the drilling fluid and for stably bearing pressure on the smooth fracture leakage wall surface disclosed by the invention, leak stoppage success rate and bearing pressure for smooth fracture leakage can be improved, leakage stoppage failure due to complexity is reduced, the benefits of exploring and developing a bored well are improved; and the preparation process of the lost circulation additive is simple and convenient, the source of the materials of the lost circulation additive is broad, and the lost circulation additive is easy to spread and apply.

The invention provides a hemostatic material as well as a preparation method and application thereof. The hemostatic material is prepared from nanofiber clusters; the nanofiber clusters are derived from a crosslinked nanofiber material and have dimensions within a range of 5mu m to 500mu m in any direction of a three-dimensional space by taking a geometric center of the nanofiber clusters as a starting point; and/or, the dimensions, represented by a median particle size D50, of the nanofiber clusters in the hemostatic material are in a range of 100mu m to 500mu m; the nanofiber clusters respectively have a porous structure, and the nanofiber clusters respectively have a staggered structure formed by overlapping multiple short nanofibers; the diameters of the short nanofibers are in a rangeof 1nm to 1000nm, and the lengths of the short nanofibers are1000mu m or less; the porosity of the hemostatic material is 50-90%. The hemostatic material provided by the invention has excellent tissue adhesion property and a remarkable hemostatic effect; the excellent tissue adhesion property can enable the material to closely adhere to a wound surface during hemostasis, so that the material is prevented from being washed away by blood, the hemostatic effect is significantly improved, and the mutual fusion process of the material and tissues is promoted.

The invention discloses a manhole cover for automatically increasing discharge and flood and preventing wash. The manhole cover comprises a manhole cover mechanism, a link mechanism, a linking mechanism, a barrel and a floating plate, wherein the linking mechanism is arranged on the lower surface of the manhole cover mechanism and is connected with the link mechanism; the link mechanism is connected with the barrel; one end of the link mechanism is connected with a manhole cover body; the other end of the link mechanism is connected with the small barrel so as to form a transmission system ofwhole force; the opening degree is autonomously adjusted in different rainwater weathers so as to adapt to different water flows, timely drain and prevent the manhole cover from being washed away by water.

The invention discloses a hollow planting brick which is characterized in that an overall framework of a brick body is in the shape of a quadrangular prism with rectangular upper, lower, left and right end surfaces and parallelogram front and rear end surfaces; a right baffle edge with a non-completely sealed gap is arranged on the right end surface of the brick body; irrigation pipe holes are formed in the front end surface and the rear end surface of the brick body; a water outlet is formed in the lower end surface of the brick body; the included angle between the lower end surface and the left end surface forms a water storage tank angle. Meanwhile, the invention provides a vertical greening structure. The vertical greening structure can solve the problem that plants cannot grow on vertical or steep slopes, can be widely used in the fields of city wall body greening, rock side slope greening, soil retaining wall greening and the like, has important practical and far-reaching significances on ecological environment, green area enlargement, PM2.5 reduction and the like, and has remarkable economic and social benefits.

The invention relates to a bottom mud sampling robot which comprises a shell, a lighting lamp, a rotary camera, a battery sealing cover, a lithium battery, a control module, a truss module, a sampling detection module, a driving module, a sampling opening, a sample loading box, a weight adjustment module, a pulling seat, a pulling ring and a pulling rope, wherein the lighting lamp is mounted above the shell; the rotary camera is mounted above the front end surface of the shell; and the battery sealing cover is arranged on the rear end surface of the rotary camera. The bottom mud sampling robot is novel in structure, scientific in design and reasonable in structure; the bottom mud sampling robot is high in automation degree, and integrates self-moving, detection, sample collection and photographing functions; after being subjected to waterproofing and rustproofing treatment, the bottom mud sampling robot is long in service life; by the arrangement of a pressure sensor and a detector, the sampling accuracy is guaranteed; moreover, the bottom mud sampling robot is convenient and quick for sampling, and the labor cost is reduced; and remote control type bottom mud sampling greatly reduces the difficulty in internal sampling, thus improving the safety and the accuracy of a sampling depth.

The invention relates to fertilizing equipment, in particular to land fertilizing equipment for seedling planting. The to-be-solved technical problem is to provide land fertilizing equipment for seedling planting, which has the advantages that the movement is more convenient, the operation is more labor-saving, the fertilization is more uniform, and fertilizer waste is not caused easily in the fertilization process. The land fertilizing equipment for seedling planting comprises a cart, a material cylinder, a discharging hopper, a supporting plate, a horizontal plate, a motor, a first rotatingshaft, a first bearing seat, a cam, a movable plate, a contact plate and the like; the right portion of a cart plate of the cart is embedded with the material cylinder, the top of the material cylinder is provided with the discharging hopper, the discharging hopper is communicated with the inner portion of the material cylinder, and the left portion of the upper side of the cart plate of the cartis provided with the supporting plate. The land fertilizing equipment for seedling planting has the advantages that the effects are achieved that the movement is more convenient, the operation is morelabor-saving, the fertilization is more uniform, and fertilizer waste is not caused easily in the fertilization process; through the arrangement of the cart, people can conveniently and effortlesslymove the equipment, so that the effects that the movement is more convenient and the operation is more labor-saving are achieved.

The invention relates to a deep-water high-flow-speed fixed-point accurate throwing and filling device. The device comprises a chute used for restraining rip-raps, a trolley used for installing the chute and a trolley track installed on one side of a ship, wherein the trolley can move along the trolley track. The trolley track comprises a ship rail track arranged on a ship rail and a suspended track arranged on the ship rail. A suspended beam is arranged on the side of the ship. The suspended beam is provided with a track beam. The track beam is provided with the suspended track. The chute is used for rip-rapping operation, and the rip-raps can be accurately restrained to the set positions and prevented from being washed away by flowing water. The chute is restrained to the trolley, the trolley can walk along the trolley track, and when rip-rapping operation is restrained in one position, the trolley can be moved, and rip-rapping operation is performed in the next position continuously.

The present invention provides a street tree pool for greening. The street tree pool comprises water grooves, inserting strips and inserting grooves. A base is of a rectangular groove structure, and the center of the bottom is provided with a circular through hole. A grass planting groove is disposed at the top of the base and is of a square-hole shaped groove structure, and external side surfacesof the grass planting groove are flush with external surfaces of the base. Twelve inverted-taper shaped taper holes are disposed in the bottom of the grass planting groove. A separate type guard plate is divided into left and right portions, and the middle of the guard plate is provided with a round hole (the hole diameter is designed according to the tree diameter). The annularly distributed water grooves are disposed at the top of the guard plate for guiding accumulated water. The street tree pool can be used for storing water during the rainy season and providing certain water vapor for plant survival during the dry season, and root rot is prevented. According to the principle that heat absorption and heat dissipation of the water in a water storage tank are slow, temperature of the tree pool can be adjusted, permeability and drainage are achieved, and joint of a sponge city and the heat island effect engineering is facilitated by a water drain pipe.

The invention relates to a novel pesticide. The novel pesticide comprises following raw materials in parts by weight: 20-50 parts of a pesticide, 5-10 parts of saffron crocus, 1-3 parts of calcium oxide, 6-15 parts of an emulsifier and 40-80 parts of a solvent. The novel pesticide provided by the invention uses a compound formula, and can simultaneously resist insects, such as locusts and aphids; a plant adhesive agent has difficulty in dissolving in the water and can prevent the pesticide from being washed away by rain; furthermore, the novel pesticide can be adhered to leaves and stems of the plants, so that the pesticide is easy to absorb by the plants; the solvent can be used for dissolving the pesticide prepared from an insect-resistant formula; the solvent easy to absorb can be used for accelerating the pesticide to absorb.

The invention relates to the technical field of expressway greening, in particular to a mountain forest greening structure for an expressway. The mountain forest greening structure for the expresswaycomprises a hardened layer and a greening assembly, wherein the greening assembly comprises a plurality of greening units which are tightly arranged in the inclined direction of a slope, each greeningunit comprises a support frame mounted above the hardened layer, a greening tank is mounted on the support frame, baffle plates are mounted in the greening tank and divide the greening tank into multiple planting grids, the planting grids are filled with planting media, and a drainage channel is formed at the bottom of the slope. The hardened layer protects soil on the slope and prevents rainfallfrom scouring the slope and causing water and soil erosion; by means of the greening assembly, the greening area of the slope surface is increased, and the greening rate of two sides of the expressway is increased.

The invention discloses a fluid hemostatic adhesive as well as a preparation method and application thereof. The fluid hemostatic adhesive comprises a hemostatic effective component and a fluid matrix, wherein the hemostatic effective component is prepared from a component A, a component B and a component C; the component A is gelatin, the component B is sodium glycero-phosphate, and the componentC is polylysine and/or polyethyleneimine; a mass ratio of the component A to the component B to the component C is (1 to 6):(1 to 2):1. The fluid hemostatic adhesive provided by the invention can bestored under a fluid state and requires not to be mixed before using, the operation is simple and convenient, the operation time is greatly shortened, and rapid gelatinization can be realized after the fluid hemostatic adhesive is applied to a human body; meanwhile, the content of an assistant in the fluid hemostatic adhesive is low, and good fluidity and a good hemostatic effect are obtained; further, modified grafting treatment is carried out on the gelatin, so that the strength of the fluid hemostatic adhesive is improved, the adhesion between the fluid hemostatic adhesive and a wound can be remarkably improved, and the hemostatic effect can be further improved.

The invention discloses a novel environment-friendly phosphogypsum-based impermeable material. The impermeable material is obtained by mixing raw materials by stirring, paving and rolling, wherein theraw materials include 70-90% of phosphogypsum, 5-10% of bentonite, 0.1-1% of a polymer and 10-20% of water by mass. The impermeable material uses the phosphogypsum as a main material, so that the problem of comprehensive utilization of the phosphogypsum is solved; the impermeable material is easy to prepare and low in cost; the impermeable material has the characteristic of extremely low permeability, the impermeable material with the thickness of 70-90mm can replace an impermeable clay layer with the thickness up to 5m, and the impermeable material has strong self-repairing ability; the impermeable material has high flexibility, so that the impermeable material can resist nonuniform settlement; the impermeable material is prevented from being washed away through formation of a gel; the impermeable material has high physical and chemical stability; the impermeable material has strong water retention capacity, so that the impermeable material is resistant to dry cracking; the impermeable material can be seamlessly jointed with various structures (pipes, concrete columns, steel pipes and the like); the impermeable material has a high friction angle and strong cohesion, so that the impermeable material can be applied to various side slopes of which the slope can reach 1:1; the impermeable material is easy to lay and low in rolling requirement; the impermeable material is small infilling volume; the impermeable material is good in durability and long in service life.

The invention discloses a flexible biological roadbed slope drainage ditch and a construction method thereof. The flexible biological roadbed slope drainage ditch comprises a drainage ditch body (1),wherein a composite geo-membrane layer (2) and a geotechnical pattern room layer (3) are sequentially laid from outside to inside on the drainage ditch body (1); the geotechnical pattern room layer (3) is internally filled with a rubble layer (5) and a planting soil layer (4) from inside to outside in sequence. The construction method mainly comprises the following steps: digging the drainage ditch body (1), carrying out laying and lap joint of the composite geo-membrane layer (2), laying the geotechnical pattern room layer (3), and filling the geotechnical pattern room layer (3) with packing.A roadbed constructed with the method has the advantages that partial deformation of a slope can be endured, cracking and damage of structures are not easily caused, materials can be conveniently transported, relatively small construction difficulties can be caused, the manufacturing cost is relatively low, the environment is slightly damaged, the attractiveness is not affected, meanwhile, the environment can be beautified, a great deal of garbage is not resulted when the materials are recycled, the construction method is applicable to cold regions, and the roadbed is relatively long in service life.

Provided is a sealing device for high-temperature and high-pressure rotating machinery. End face sealing units are arranged at the end of a rotating shaft penetrating through a high-temperature and high-pressure medium area and are composed of rotary sealing rings and stationary sealing rings, wherein the rotary sealing rings can rotate along with the rotating shaft, and the stationary sealing rings are connected with a base in a positioned mode. A depressurization area is adjacently arranged on the high-temperature and high-pressure medium area direction side of the first end face sealing unit composed of the first rotary sealing ring and the first stationary sealing ring, and the depressurization area is composed of throttling units, communicated with the high-temperature and high-pressure medium area and a sealed cavity of the first end face sealing unit simultaneously, and provided with a pressure reducing area communicated with an external low-pressure unit. The sealed cavity of the first end face sealing unit is provided with a cooling circulation channel with a heat exchange structure. According to the sealing device, conveyed high-temperature and high-pressure media are cooled and depressurized, and therefore the sealing device is capable of adapting to reliable sealing of the high-temperature and high-pressure media, long in service life, high in safety, capable of achieving zero leakage of the high-temperature and high-pressure media and capable of being widely used for sealing the rotating machinery of high-end equipment in the field of petroleum, the chemical industry, nuclear power and the military industry under high-temperature and high-pressure working conditions.

The invention discloses a fertilizer application device which comprises a tank body, wherein a sliding hole is formed in the tank body in a vertical direction; a connecting rod in sliding connection is inserted into the sliding hole; a driving device is arranged at the upper end of the connecting rod; first rotating shafts are rotationally connected in symmetry inside the tank body; rotating discsare arranged on the first rotating shafts; the connecting rod is positioned the two rotating discs; a holding box clamped with each rotating disc is arranged on one side of each rotating disc; a second rotating shaft rotationally connected with each holding box is arranged on one side far away from each rotating disc, of each holding box; box covers fixedly connected with the second rotating shafts are arranged on the second rotating shafts. The fertilizer application device has the advantages that a conventional fertilizer application machine is improved, a quantitative control device is additionally arranged on the machine, then the amount of sprayed fertilizers can be adjusted according demands of crops, meanwhile a hole drilling device is arranged on the machine, fertilizers can be applied deeply into soil and can be prevented from being flashed away by rainwater, and the absorption rate of plants can be increased.

The invention discloses an urban pipeline water quality monitoring and water intake device which comprises a telescopic water pipe, a mounting bracket and a floating water intake component, wherein one end of the telescopic water pipe is communicated with a water suction pump; the other end of the telescopic water pipe can stretch into water for pumping water; the mounting bracket is used for mounting the telescopic water pipe in a pipeline; the floating water intake component is arranged at the other end of the telescopic water pipe to enable the other end of the telescopic water pipe to liftalong with the water level by virtue of buoyancy. According to the design, the other end of the telescopic water pipe is always positioned on the water surface for taking water, and the water intakesample is positioned at the upper part of the water level each time, so that the detection result is accurate, manual correction is not needed, and the use is convenient.

The invention relates to an offshore wind power foundation erosion preventing device. The device comprises at least two geotechnical protection pads for surrounding an offshore wind power foundation.In the offshore wind power foundation erosion preventing device, on the one hand, a weight in an accommodating cabin achieves a fixing effect to prevent the geotechnical protection pads from dashing away under the effect of waves and ocean currents; and the at least two geotechnical protection pads are surrounded annularly, and are arranged around the offshore wind power foundation to comprehensively protect the offshore wind power foundation. On the other hand, in two adjacent geotechnical protection pads, an empty area without the weight is formed in the accommodating cabin of one geotechnical protection pad, and the other geotechnical protection pad is pressed in the empty area through the weight in the accommodating cabin; through the mode, the connection between two adjacent geotechnical protection pads can be realized, and the overall protection stability is improved; and during constructing, the manufactured geotechnical protection pads are laid around the offshore wind power foundation, so that the construction process is simple, the construction cost is reduced, and the construction efficiency is improved.

The invention relates to a filter, in particular to an energy-saving and environment-friendly riverway garbage filter. The provided energy-saving and environment-friendly riverway garbage filter has a relatively ideal filtering effect and is simple to use and operate and convenient to move. A technical scheme is as follows: the energy-saving and environment-friendly riverway garbage filter comprises a mounting mechanism and a filtering mechanism; the mounting mechanism is arranged on a mounting frame; the filtering mechanism is arranged on the mounting frame; through an effect of the mounting mechanism, the mounting frame can be fully fixed, and a situation that the mounting frame is washed away by too large water flow is prevented; and through an effect of the filtering mechanism, garbage can be blocked and filtered.