138results about How to "Avoid washing away" patented technology

The invention discloses a related culture technology and a method for constructing phalaris arundinacea population in ecological concrete spheres on a river bank protection slope, belonging to the technical field of ecological environmental protection and restoration of a watercourse bank slope. The method provides a series of culture integration technologies such as a picking and storage method of phalaris arundinacea seeds, a selective criterion of a vinegar residue matrix, a sowing date determination principle, sowing density, a sowing method and irrigation and fertilization management after sowing. With the adaptation of the integration technologies, the acidity and the basicity of the ecological concrete are significantly improved, the growing time of the phalaris arundinacea before a next-year wet season is prolonged, the proportion of planting the phalaris arundinacea in gaps in the concrete spheres is increased, the vegetation coverage reaches over 100 percent, and the averagebiomass can reach 1.36kg/m<2> (dry weight above the ground). Moreover, the number of the phalaris arundinacea which is washed away is significantly reduced after the next-year wet season, and the vegetation is stable.

The invention discloses a novel type pile foundation for sea turn engineering and a pile forming method thereof. The novel type pile foundation comprises a steel pipe, the steel pipe is internally provided with a concrete lining pipe; a corrosion preventive is coated outside the steel pipe; the concrete lining pipe is internally provided with a reinforced concrete pile core, and the lower end of a steel bar inside the pile core penetrates out of a through hole positioned on a pointed cone at the lower end of the steel pipe and extends to sea bed rocks; the steel bar wrapped with concrete and penetrating outside the pointed cone passes through a concrete extrusion through hole positioned below the steel bar penetrating through hole on the pointed cone and is connected with the reinforced concrete pile core inside the concrete lining pipe through to form an expanded pile head. The novel type pile foundation for the sea turn engineering forms a chassis in a large head shape and with the radial dimension larger than that of the main body part of the pile foundation at the bottom of the main body of the pile foundation, is closely combined with the sea bed rock and has very high pressure and drawing resisting capability; and in addition, the pile forming method ensures the smooth construction on the sea.

The invention discloses a constructed wetland-ecological ditch system for treating scattered piggery washing wastewater. The system comprises a constructed wetland (1), an intensified nitrification ecological ditch (2) and an intensified denitrification ecological ditch (3) which are connected in series, wherein a water distribution area (5) is arranged at the front end of the constructed wetland (1), a wetland drain area (12) is arranged at the back end, the constructed wetland (1) sequentially comprises a water and mud collection area (10), a reaction area (8), a fine sand layer (7) and a soil layer (6) from bottom to top, the intensified nitrification ecological ditch (2) comprises a biozeolite area (14), and the intensified denitrification ecological ditch (3) comprises a solid carbon source denitrification area (16) and a deep purification area (18) which are adjacent to each other in a front-and-back manner. The system can effectively remove pollutants in the scattered piggery washing wastewater and has the advantages that the system can remove nitrogen and phosphorus continuously, is simple to maintain and economical in operation and the like.

The invention discloses a quick-switching reverse thrombolysis balloon catheter device comprising a drug injection passage, a balloon compression and decompression passage, and a guide wire passage; the passages are mutually independent and arranged side by side. Two ends of the drug injection passage are provided with a drug injection hole and a drug filling side hole respectively. Two ends of the balloon compression and decompression passage are provided with a balloon compression and decompression hole and a balloon respectively. The two ends of the guide wire passage are provided with a guide wire first outlet and a guide wire second outlet. The drug injection passage, the balloon compression and decompression passage and the guide wire passage are integrated to one catheter, the functions of injecting drug, expanding the blood vessel and moving the device are achieved with one catheter by single puncturing, the expanded balloon can further function in blocking blood flow, thrombolytic drug that is injected is prevented from being flowed away by the blood flow, and thrombolytic effect is guaranteed.

The invention discloses a leakage-plugging method for a water-stopping curtain, which is good in effect, simple in steps and less in consumption and can rapidly accomplish leakage plugging. The method comprises the two processes of leaking point exploration and leakage management, wherein in the process of leaking point exploration, a plurality of exploration holes are drilled in a water-leakage zone in a foundation pit, the position of a leakage zone is determined according to the loose degrees of rock core structures in the exploration holes, and the loose positions in the rock core structures are the positions of the leakage zone; the process of leakage management comprises the following steps of: (1) downwards drilling at least one hole to the leakage zone from construction ground above the leakage zone between the water-stopping curtain and a supporting pile; (2) placing plastic pipelines in the drilling holes; (3) sliding plastic bags to the bottom of the pipeline along the inner wall of the plastic pipeline, wherein leakage-plugging materials are enclosed in the plastic bags; and (4) breaking the plastic bags at the bottom of the plastic pipeline. With the adoption of the leakage-plugging method for the water-stopping curtain, the leakage-stopping materials are directly thrown in the leakage zone, so that leakage plugging is fundamentally accomplished in one step, and the leakage-plugging effect is good.

The invention discloses automatic cruise type sewage treatment equipment for a riverway. The equipment is used for monitoring water flow information of the riverway in real time so as to adjust the moving speed of a moving ship body on the water surface in real time and adjust the amount of a medicament put into a riverway water body in real time, and thus the proper amount of the medicament put into the riverway water body is ensured, and the sewage treatment effect is ensured. A first height-limiting obstacle detection mechanism is arranged to obtain height-limiting obstacle information in front of the moving direction of a moving ship body in real time in the cruising process, and the height of the whole sewage treatment equipment placed on the water surface of a riverway is adjusted in real time according to the height-limiting obstacle information so as to prevent the sewage treatment equipment from colliding with a height-limiting obstacle to be damaged; before the sewage treatment equipment is started for cruising, whether rain falls in the current environment or not is detected through the raindrop sensor, fed chemicals are prevented from being washed away by the rain, and the sewage treatment effect is guaranteed; by adjusting the position of the sewage treatment equipment in the riverway in real time, the uniformity of chemicals fed into the riverway is ensured.

The invention discloses a traffic cone for urban inland inundation. The traffic cone comprises a cone-shaped body and a base. The cone-shaped body is a float vertical type cone-shaped body (9). The base is a bob-weight type base (8). A soft rope (6) is connected between the float vertical type cone-shaped body (9) and the bob-weight type base (8). The traffic cone is suitable for urban low-lying roads, and the defect that conventional traffic cones are washed away and submerged during inland inundation can be well avoided; and meanwhile, the water depth is displayed on the traffic cone so that drivers can be reminded to pay attention to safety.

The invention discloses an assembly-type ecological floating bed frame structure. Assembly is adopted during installation, each PVC thick tube and a corresponding PVC slim tube intersecting with the PVC thick tube are fixed through an installing block, and therefore producing and installation are convenient; by freely and additionally installing PVC thick tubes, PVC slim tubes and installing blocks in the middle of an ecological floating bed, and freely adjusting the distance between each PVC thick tube and the corresponding PVC slim tube, the internal area of the floating bed can be adjusted;meanwhile, by freely and additionally installing PVC thick tubes, PVC slim tubes and installing blocks on the edge of the ecological floating bed, the length and width of the whole ecological floating bed can be freely increased, and therefore expandability is high; telescopic rods are arranged below the installing blocks to be connected with fixing anchors, and inserted into mud at the bottom ofwater through the fixing anchors to be fixed, and therefore the floating bed is prevented from being washed away by water flows; meanwhile, with the stretching and retracting function of the telescopic rods, the floating bed can float vertically along with a water level when the water level changes to be kept floating on the water surface.

The invention discloses a method for planting trees or grass through packaged seeds. The method comprises the following steps: firstly, the plant seeds adaptive to the local environment are selected; secondly, the seeds are wrapped by a compound fertilizer and a water-absorbent resin through a packaging technique; and lastly, the packaged seeds are scattered in rock cracks in a rock desertification region through an aerial seeding or artificial scattering method in the rainy season so as to finish planting the tree or grass in the rock cracks through the packaged seeds. According to the method, the plant seeds can be adsorbed between the rock cracks and the soil after absorbing water in the rainy season, moreover, due to the characteristic that the rainfall in the rainy season and the moisture in the rock cracks are not evaporated easily, the plant seeds live with enough water and fertilizer to take root and germinatein the rock cracks and can absorb the nutrients of the humid soil in the rock cracks, so that the survival rate of the seeds and the vegetation coverage of the rock desertification region are greatly increased, and the method is particularly applicable to aerial seeding afforestation in various humid or semi-humid desertification regions.

The invention provides a micro/nano-particle-filled optical microfluidic-chip biosensor. The biosensor is characterized in that an optical chamber is filled with small spheres with micro-nano dimension, so that the chamber inner surface area and the surface adsorption quantity are increased, and further the test sensitivity is improved; the chamber can be filled with small spheres with two or more dimension for adjusting the optical chamber surface area and the sphere distance; and the biosensor is applicable to refractive index test of surface adsorbents.

The invention discloses a pressure gauge capable of widening a measurement range, and relates to the technical field of physical apparatuses. The pressure gauge comprises a pedestal, a column is fixedly mounted in the left side of the top of the pedestal, a supporting seat is fixedly mounted in the right side of the top of the pedestal, cross bars are fixedly mounted on the right of the column, a U-shaped tube positioned in the top of the supporting seat is fixedly mounted in the sides, far from the column, of the cross bars, a graduated scale is fixedly mounted in the inner side of the U-shaped tube, a bracing frame is fixedly mounted in the top of the column, and a test tube holder positioned over the U-shaped tube is fixedly mounted on the right of the bracing frame. According to the pressure gauge capable of widening the measurement range, the test tube holder is arranged, and fixed over the U-shaped tube via the bracing frame, so that when the measured pressure intensity increase suddenly or increased due to carelessness, a tube can be additionally arranged on the left of the U-shaped tube via the test tube holder and communicated with the U-shaped tube, so that an operating fluid is prevented from being washed away, and the measurement range of the pressure gauge is widened.

The invention discloses an environment-friendly riverway sewage monitoring treatment device, which comprises a treatment box erected at a riverway opening, wherein a mounting opening is formed in oneside of the treatment box, a water inlet hopper is arranged on the inner wall of the mounting opening, a water quality detection probe is arranged at an opening of the water inlet hopper, and a partition plate is arranged on the inner wall of the treatment box; a water inlet hole and a water outlet hole are formed in the outer wall of the top of the partition plate, a filtering mechanism is arranged on the partition plate, a fixing plate is arranged on the inner wall of the bottom of the partition plate, a water outlet is formed in the outer wall of one side of the fixing plate, a cavity is formed in the inner wall of the fixing plate, and a hydraulic cylinder is arranged on the inner wall of the cavity; a baffle is arranged at one end of a piston of the hydraulic cylinder. In the river water monitoring process, polluted river water can be treated in time, sewage is prevented from being directly discharged into a river, so that the using effect is better; besides, kinetic energy generated by water flowing can be used for supplying power, an external power source is not needed, the energy-saving and environment-friendly requirements are met, and the using effect is improved.

The invention discloses a sedimentation tank for sewage treatment. The sedimentation tank comprises a sedimentation tank body, a mixing shell is arranged on the outer wall of one side of the sedimentation tank body, a feeding hopper is arranged on the outer wall of the top of the mixing shell, a discharging box of a conical structure is arranged on the inner wall of the top of the mixing shell, discharging openings which are evenly distributed are formed in the circumference of the outer wall of the top of the discharging box, and transition hoppers and flow guide plates are alternately connected to the inner wall of the circumference of the mixing shell through fastening bolts. Sewage to be treated is injected into the mixing shell through the feeding funnels; meanwhile, a chemical agentis injected into the discharging box, overflows from the discharging openings and is mixed with sewage, a mixture of the chemical agent and the sewage sequentially and alternately flows through the transition funnels and the flow guide plates, so that the chemical agent and the sewage are fully mixed, a conveying pump pumps the sewage mixture mixed at the bottom of the mixing shell and injects thesewage mixture into the feeding pipe to achieve feeding, and the function of effectively mixing the chemical agent and the sewage is achieved.

The invention discloses a safety protection type flood control water retaining wall based on water stop strip supporting. The safety protection type flood control water retaining wall comprises a water retaining side frame, wherein a stable supporting plate is fixedly connected to the position, close to the lower portion, of the back face of the water retaining side frame; an anti-impact baffle isarranged in the middle of the interior of the water retaining side frame; mounting rails are fixedly connected to the two sides of the back face of the water retaining side frame; auxiliary sliding blocks are in sliding connection with the interiors of the mounting rails; the exteriors of transmission thread inserting blocks are in sliding connection with the interiors of adjusting rails; the tops of the transmission thread inserting blocks are fixedly connected with extending protection plates; and sandbag limiting stacking mechanisms are in sliding connection with the interiors of first limiting grooves and second limiting grooves. The invention relates to the technical field of flood control. According to the safety protection type flood control water retaining wall based on water stopstrip supporting, buffering of flood impact force is achieved, the force of front face impact of the water retaining wall is reduced, and the matching stability between the flood control wall and sandbags is improved.

The invention relates to a road flood-fighting guardrail which effectively solves the problem that in urban flood disasters, people are prone to being washed away by flood flow on the road surface and are in distress. According to the technical scheme, the guardrail comprises a movable section guardrail body, a rotating shaft assembly is arranged at the midpoint position of the movable section guardrail body, vertical fixing rods fixed to the ground are arranged at the two ends of the movable section guardrail body respectively, the two ends of the movable section guardrail body are locked to fixing rods through pin shafts, and electromagnets are arranged on the fixing rods. When water is accumulated on the road surface, the electromagnet is switched on; the electromagnet attracts the pin shaft to pull out the pin shaft, the two ends of the movable section guardrail are unlocked, a one-way impeller is arranged on the movable section guardrail, a small gear is fixed to the lower end of the one-way impeller, a large gear is fixed to the lower end of the rotating shaft assembly, and the one-way impeller drives the small gear to revolve around the large gear, so that the movable section guardrail is driven to rotate to be in a transverse guardrail state; according to the invention, people falling into flood flow can be intercepted and prevented from being washed away, so that casualties in flood disasters are reduced.

The invention provides a bagasse-based water retaining agent. The bagasse-based water retaining agent comprises, by weight, 60-100 parts of bagasse, 10-20 parts of waste silk, 10-20 parts of bagasse biochar, 5-10 parts of bentonite, 10-20 parts of sludge, 50-80 parts of potassium acrylate, 0.1-3 parts of a crosslinking agent, 0.1-2 parts of an initiator and 1-5 parts of a polymerization agent. Theinvention also discloses a preparation method of the bagasse-based water retaining agent. The bagasse-based water retaining agent can significantly reduce the moisture loss of soil, has excellent water storage and water retention properties, can be degraded, and can improve the soil structure and provide necessary fertilizers and trace elements for plant growth after being degraded.

The invention relates to an ecological riverway treatment system for eliminating a black and odorous water body of a tidal riverway. The invention aims to provide the ecological riverway treatment system for eliminating the black and odorous water body of the tidal riverway, which is simple in structure, low in construction and operation cost, convenient in maintenance management and good in decontamination effect. Through the technical scheme, the ecological riverway treatment system for eliminating the black and odorous water body of the tidal riverway is characterized in that the riverway is internally provided with an oxygenation system for oxygenating the water body inside the riverway; the riverway is internally provided with an interception net for intercepting garbage inside the riverway, a water body mixing area for improving the mixing effect of the water body inside the riverway and a water body treatment section for treating the water body in the flowing direction of the water body in sequence; and the down stream of the water body treatment section is provided with a sand setting mud collection hopper and a low barrage in sequence. The system is applicable to the fieldof ecological riverway technology.

The invention provides an efficient ocean energy power generation platform, and belongs to the technical field of ocean energy power generation. The efficient ocean energy power generation platform comprises a main floating body, a plurality of supporting columns, a bearing seat, a second rotating shaft, a plurality of rotating mechanisms and a first power generation mechanism, wherein a through hole is formed in the main floating body, a platform plate is arranged above the main floating body, the supporting columns are vertically arranged on the lower side surface of the main floating body respectively, the supporting columns are connected with heavy blocks through pull ropes, the bearing seat is fixedly arranged under the through hole, the upper end of the second rotating shaft is rotationally arranged on the lower side surface of the platform plate, the lower end of the second rotating shaft penetrates through the through hole, an end of the second rotating shaft is rotationally arranged on the bearing seat, the rotating mechanisms can drive the second rotating shaft to rotate in one direction all the time by utilizing ocean current energy, and the first power generation mechanism can utilize the rotation of the second rotating shaft to carry out efficient power generation. According to the efficient ocean energy power generation platform, the ocean energy can be fully utilized, the power generation efficiency is improved, and meanwhile, other functions can be expanded.

The invention discloses an ecological sinking bed. The ecological sinking bed comprises a sinking bed body, plant planting gaskets and ecological base fixing frames, wherein the sinking bed body comprises a plurality of sinking bed modules; each sinking bed module is set to be a hollow polygonal columnar structure; the sinking bed modules are detachably connected with each other; the plant planting gaskets and the ecological base fixing frames are arranged in the sinking bed modules; the lower part of each plant planting gasket is of a net-shaped structure; each plant planting gasket is internally provided with an isolation layer and a matrix layer in sequence from top to bottom; each isolation layer is made of river sand and each matrix layer is made of planting soil; plants are planted on the planting soil; each ecological base purification unit comprises the ecological base fixing frame, a first counterweight layer and a second counterweight layer in sequence from top to bottom; each ecological base fixing frame is of a fence-shaped structure and ecological base is arranged on the ecological base fixing frame; and each first counterweight layer is made of coral sand and each second counterweight layer is made of steel slag. By adopting the manner, dual purification of a water body can be realized and the purification effect is improved.