274 results about "Buffer strip" patented technology

The invention relates to a method for utilizing a buffer strip to control agricultural non-point source pollution of a tidal river network area of a plain, belonging to the technical field of environmental protection. The method comprises the following steps of: selecting buffer strip areas, carrying out primary treatment to the buffer strip, setting a water distribution system of the buffer strip, selecting and planting plants in the buffer strip and introducing water source into the buffer strip. The method has the characteristics of simpleness, convenience, practicability, good purifying effect and free maintenance management.

The invention discloses a buffer area structure among production lines and a control system thereof. Vehicle bodies processed on an upstream production line respectively enter two conveying belts or buffer strips through two selected inlets according to a rolling plan of a downstream production line; a batch of vehicle bodies to be sorted are stored on the buffer strips, and suitable vehicle bodies are selected in the buffer strips and enter the conveying belt to be on line in a selected nearest route by combining the rolling plan of the downstream production line with states of the vehicle bodies on the conveying belts; the two conveying belts directly provide self-finished vehicle bodies for the downstream production line; the two conveying belts at the same time respectively have effects of providing materials for the downstream production line and preparing to provide the materials for the downstream production line; the two conveying belts alternately undertake the task of providing the materials; and when one conveying belt provides the materials for the downstream, the other conveying belt reserves materials to prepare to provide the materials, wherein the beat of providing the materials is the same with that of requirement of the downstream production line so as to guarantee both reliability of an on-line sequence and timeliness of providing the materials.

The invention discloses a riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system which mainly comprises a primary vegetation buffer zone, a hydrophilic platform, an adjusting pond, an ecological retention system and a secondary vegetation buffer zone. The primary vegetation buffer zone is arranged on one river-ward side along the riverside road surface, the gradient is consistent to the gradient of an original bank slope, the downward width along the bank slope is 1.0-1.2m, and the length is 800-1000m. The ecological retention system is provided with a planting soil layer, a filler layer, a reverse osmosis layer and a gravel layer which are sequentially arranged from top to bottom. The riverside ecological multi-dimensional circulating type wet land slow-flow infiltration pollutant intercepting system reduces pollution load caused by surface source runoff flowing into a river channel during the rainy season, achieves the synergic purpose of water channel water quality circulating purification and wet land conservation during the non-rainy season, has good landscape effect and has the reference and guidance effects on surface source pollutant intercepting and river and lake water purification.

The invention provides a river ecological reactor system, comprising a riparian ecological buffer strip, a plant reconstruction area, a water plant strip, zoobenthos and aquatic animals, wherein the riparian ecological buffer strip is constructed on the river bank, the plant reconstruction area is constructed on the river hydro-fluctuation belt, the water plant strip is constructed in the river, the zoobenthos and aquatic animals are stocked in the river. The invention also provides a method for constructing the river ecological reactor system. The construction method provided by the invention has low investment, is environment friendly, effectively accomplishes the unification of the three benefits of improving the water quality, enhancing the ecological functions and presenting landscapes, and has strong utility value as well as a wide application prospect.

The invention provides a composite curtain wall for efficiently intercepting pollutants in a farmland surface source. The composite curtain wall is characterized in that a surface plant buffer zone, a plant protection slope, a water collection zone and an anti-pollution curtain wall are arranged in sequence along the direction from a farmland drain outlet to a field drain ditch; the water collection zone is lower than the surface plant buffer zone and the anti-pollution curtain wall in height; the anti-pollution curtain wall is formed by gravel, filled soil or the combination of the gravel and the filled soil, and the shape of the cross section of the anti-pollution curtain wall is trapezoid. According to the composite curtain wall provided by the invention, the pollutants discharged by the farmland can be intercepted and purified through plant absorption and physical absorption filter, the nitrogen and phosphorus pollutants in the farmland surface source can be effectively prevented from entering water body such as a river, and the composite curtain wall has good ecological benefit and the popularization and application value.

A magnetic permeating pot with a flower-shaped hot-forged bottom covering piece and a production method thereof belong to the technical field of aluminum pots. The magnetic permeating pot structurally comprises an aluminum alloy pot body and a steel bottom covering piece, the steel bottom covering piece has a flower-shaped structure and is embedded into the bottom surface of the aluminum alloy pot body and keeps flat with the bottom surface of the aluminum alloy pot body, and expansion buffer strips are formed on portions, extending out of the steel bottom covering piece, of the aluminum alloy pot body. The production method includes embedding the steel bottom covering piece into the bottom surface of the aluminum alloy pot body by hot forging. Compared with the prior art, the magnetic permeating pot with the flower-shaped hot-forged bottom covering piece has the advantages that firstly, relative difference of variation of expansion caused by heat and contraction caused by cold between the aluminum alloy pot body and the bottom covering piece can be reduced greatly; secondly, the defect of middle arch of the integral stainless steel bottom covering piece can be eliminated completely; thirdly, noise caused by magnetic lag can be lowered evidently; fourthly, skin effect of induction current can be improved greatly; and fifthly, the flower-shaped hot-forged bottom covering piece is firmer, flatter, more energy-saving and more effective as compared with the bottom covering piece in the prior art.

The invention relates to a finite element analysis method for simulating ride comfort of an entire vehicle under pulse input. The finite element analysis method comprises the following steps: (1) establishing an automobile finite element model by using computer software at a design and development stage of an automobile; (2) defining a transient excitation buffer strip or triangular bump size model; (3) calculating loading parameters; (4) enabling front and rear wheels to passthrough a buffer strip or triangular bump at a certain speed while simulating left and right wheels of the automobile; (5) calculating transient response of the automobile at certain timeunder aninput determinate signal. The research and development period is shortened; the research and development cost is saved; the operation is convenient; only 2-3 hours are required for calculating the ride comfort of the entire vehicle through the software; the ride comfort of the automobile can be very easily improved through a finite element method.

The invention provides an inland riverbank vegetation buffering and purifying zone, comprising: a riverbank vegetation buffering zone and a water and bank connection zone, wherein the riverbank vegetation zone has four layers, and a nonwoven earthwork cloth, a vegetation brick and a soil layer are laid from the ground in order. The water and bank connection zone comprises a broken stone bottom layer, nonwoven earthwork cloth, a broken stone inverted filter, ecology fish nest bricks, ecology retaining wall bricks and a coupling bar, wherein the broken stone bottom layer is laid on the river bottom, two ends of the broken stone inverted filter are connected to the nonwoven earthwork cloth layer and the broken stone bottom layer of the riverbank vegetation zone by a certain gradient, the nonwoven earthwork cloth is laid on the bottom of the broken stone inverted filter, the ecology fish nest bricks are laid on the upper of the broken stone inverted filter, the ecology retaining wall brick is used on the places approaching to the ground for protecting a dike, and the holes are arranged on the surface of the ecology retaining wall bricks. The riverbank vegetation buffering and purifying zone of the invention has advantages of big adaptation adaptive space, small land occupation, compact bank line arrangement, good landscape effect, mature technology and simple construction, and can not only satisfy the demand of water conservancy safety and landscape, bus also quicken establishment of a river ecology system, and improve and maintain water quality.

The invention discloses an ecological multidimensional retention system for rainwater drainage on a bank side of a river. A primary ecological buffer zone, a first-layer ecological retention system, a second-layer ecological retention system, a third-layer ecological retention system and a secondary ecological buffer zone are orderly arranged on the upstream side of a river embankment along the slope of the bank side; the three layers of ecological retention systems are in concentric semi-annular radial form and of ditch type structures; each ecological retention system is provided with a planting soil layer, a packing layer and a gravel layer, and plants good in stress resistance and prosperous in root system are planted on the ecological retention system; herbaceous plants are planted in the two ecological buffer zones. The ecological multidimensional retention system is capable of reducing the pollution load due to the fact that rainwater runoff is directly discharged into receiving water by use of the retention spaces; due to closure and adsorption by use of a filter material and purification of rainwater runoff pollution by use of the plant root system, partial heavy metal ions, pathogens and the like can be removed; the ecological multidimensional retention system is suitable for any rainwater volume and water quality and has a good landscape effect.

The invention discloses a treatment method for applying urban reclaimed water to landscape water. The method mainly comprises the following steps of: building an ecological precipitation pond and a facultative anaerobic deep water pond, constructing an ecological aeration dam, and building a submerged plant purification pond, an aquatic plant purification pond, and an artificial wetland buffer zone; and allowing the urban reclaimed water to sequentially flow through the ecological precipitation pond, the facultative anaerobic deep water pond, the ecological aeration dam, the submerged plant purification pond, the aquatic plant purification pond and the artificial wetland buffer zone to obtain the treated water which is used as the landscape water. According to the urban reclaimed water which is treated by the method, the transparency is more than 0.5m, and dissolved oxygen is more than 2mg/L, and floater and fishy odor are avoided; and the landscape water completely meets the B and C-class water-quality standard of the landscape and entertainment water which is allowed to be contacted.

The invention discloses a breakage-proof transporting trolley for an exterior wall tile. The transporting trolley comprises a transporting trolley body, buffer mechanisms and buffer strips, wherein a plurality of buffer mechanism are uniformly and vertically arranged on the transporting trolley body; a plurality of buffer strips are parallelly arranged on the transporting trolley body in a pavement manner; each exterior wall tile is positioned between every two adjacent buffer mechanisms; the lower part of each exterior wall tile is buffered and supported by the buffer strips. The transporting trolley disclosed by the invention has the advantages that a plurality of exterior wall tiles can be transported and moved within a short time; when the transporting trolley is in use, the effects of quickness and convenience are achieved, and the transporting time is greatly reduced; the rigid contact between the exterior wall tiles can be effectively prevented, and the exterior wall tiles can be effectively prevented from being broken and damaged due to buffer structures arranged on the transporting trolley at intervals; an adjustable handle can be adaptive to construction personnel with different heights, so that the effect of convenience in use is achieved; universal wheels are arranged, so that the propelling operation is conveniently performed, and time and labor are saved.

The invention provides a method for reducing slope cropland non-point source pollution by a biochar-improved ecological ridge, and relates to building of a telescoping ecological ridge based on ADP(NH4H2PO4) modified biochar. A layout method provided by the invention comprises the steps: firstly establishing ridges at a preset interval in a direction vertical to the slope surface of a slope cropland, wherein each ridge is formed by piling up soil mixed with biochar with a preset proportion and forms a buffer strip; forming drain holes with a preset number in each buffer strip, digging a deep pit at the rear end of each drain hole, and arranging a telescoping purification device in each deep pit, wherein each telescoping purification device is formed by combining three layers, i.e., stone strips, biochar strips and clay strips and forms a filter strip; establishing a drainage channel at the rear end of the last filter strip close to the base of a slope and connecting with a riverway, so as to form a complete ecological ridge layout. By adopting the method, the nutrient substance and water utilization efficiency of the existing slope cropland can be improved, and the problems that due to surface runoff and underflow, silt flows down and migrates, and pollution by heavy metal and organic pollutants occurs can be effectively prevented.

The invention relates to a durable solar power concentrating photovoltaic module which comprises a Fresnel lens group, side boards, a bottom board and a solar cell unit. Both the side boards and the bottom board are made by stamping, machining procedures are reduced, mounting and maintenance are facilitated, and production cost is lowered. Batch products are high in uniformity. A sealing silicone buffer strip is embedded between the Fresnel lens group and the upper ends of the side boards, and a breathable film component made on the silicone buffer strip maintains balance of inside and outside air pressures and prevents entry of foreign matters such as gas, liquid and solid. The novel solar power concentrating photovoltaic module is thermal-insulating, soundproof, waterproof, dustproof, highly reliable and durable.

The invention relates to a coastal ecological buffer zone structure having a compounding effect. The coastal ecological buffer zone structure comprises an herbaceous permeation zone, a shrub and herbaceous plant purifying zone, an arbor-herbaceous plant purifying zone and a reed purifying zone which are sequentially arranged in the runoff direction of farmland, wherein the herbaceous permeation zone comprises a bottom bearing layer, a gravel filling zone, a soil planting zone and a water reserving zone which are sequentially arranged from bottom to top, shrubs and herbaceous plants are plantedin the shrub and herbaceous plant purifying zone, arbors and herbaceous plants are planted in the arbor-herbaceous plant purifying zone, and hygrophytes and herbaceous plants are planted in the reedpurifying zone. Compared with common buffer zones, the coastal ecological buffer zone structure having the compounding effect can achieve remarkable permeation, detention storage and farmland rainwater runoff purification and has the advantages of rainfall flood regulation and storage, water purification, landscaping, biodiversity protection, water and soil conservation, low investment and operation cost and the like.

The invention relates to a sector-shaped multi-dimensional cross-flow type composite terrestrial plant buffer zone and a construction method thereof. The buffer zone is formed by connecting a sector-shaped transverse-flow herb-biochar zone, a sector-shaped longitudinal-flow denitrification zone, a sector-shaped transverse-circular-flow pollutant enrichment shrub-herb zone, a sector-shaped longitudinal-flow dephosphorization zone, a sector-shaped transverse-circular-flow tree-herb-biochar zone as well as necessary ridges, braiding channels or water-permeable walls in series. Low-concentration wastewater such as tail water of urban sewage treatment plants, agricultural wastewater, surface runoff of villages and small towns and the like sequentially flows through the zones after simple sedimentation, and suspended matters, organic matters, nutrient elements, pesticides and the like in the wastewater are gradually reduced. The vegetation buffer zone is applicable to peripheries of reservoirs, rivers or lakes with limited shore land areas and can effectively prevent water environment pollution; native plants are combined harmoniously, so that the buffer zone has the good treatment effect as well as the good landscape effect, the good ecological benefit and high popularization and application values.

The invention relates to a shock absorption structure for battery installation of an unmanned aerial vehicle. The shock absorption structure for battery installation of the unmanned aerial vehicle comprises a box body and also comprises a cover body, wherein one end of the box body is opened, a line through hole is formed in a surface of the other end of the box body, a limitation block and a plurality of wavelike buffer strips are fixedly arranged on an inner wall of the box body, the cover body is matched with an opening and is rotatably connected with the box body, a plurality of buffer cushions are arranged on a lower surface of the cover body, a self-locking screw is arranged on the cover body, and a screw hole matched with the self-locking screw is formed in the box body. During application, a battery is installed along an opening position of the box body, a power line is connected out via the line through hole, the limitation block is simultaneously used for limiting a front end of the battery and is used as an insertion in-place signal, the buffer strips are deformed and press two sides of the battery, the cover body is tightly covered, the buffer cushions prop against a rear end of the battery, and thus, the situations of vibration and displacement generated in the battery are effectively reduced; and moreover, the shock absorption structure is very simple and convenient to install and is relatively light in weight, and the whole structure is simple and is low in cost.

The invention provides a heat shrinking technology for improving a membrane wavy edge. The heat shrinking technology includes the following steps that rewinding rollers are prepared, a plurality of shrinkable buffer strips are arranged on the outer surfaces of the rewinding rollers at equal intervals, and all the buffer strips and the rewinding rollers are parallel in the axial direction; 2, membranes are wound around to the rewinding rollers provided with the buffer strips; 3, the rewinding rollers wound with the membranes are baked at the certain temperature, and baking is kept for certain time; 4, the baked membranes are taken out and cooled at the normal temperature; 5,the surfaces of the cooled membranes are coated with slurry with the certain thickness. The heat shrinking technology and device have the advantages that the membranes are even accordingly, the poor waves are reduced after the membranes are coated, the over-specification radian and the over-specification size after the membranes are cut to small strips are decreased, the superior product rate of the membranes is increased, production resources are reasonably used, and waste is reduced.

The invention provides a rolling disc self-discharging type scrap iron vehicle, relates to the technical field of scrap iron vehicles, and aims to prolong the service life. The rolling disc self-discharging type scrap iron vehicle comprises a chassis with wheels and a moveable box body, wherein a left linear buffer guide rail and a right liner buffer guide rail which extend forwards and backwards are fixedly arranged at the upper end of the chassis; a plurality of buffer holes are formed in each buffer guide rail along the axis of the buffer guide rail; a left buffer board and a right buffer board are fixedly arranged at the bottom of the box body; the bottom edge of each buffer board is an arc-shaped edge with the arc center facing the box body; an arc-shaped buffer strip is fixedly arranged on each buffer board along the bottom edge of the buffer board; the arc-shaped buffer strips on the bottom edges of the two buffer boards are propped against the rail surfaces of the two buffer guide rails; and a plurality of semi-spherical bumps are formed on the arc-shaped buffer strips on the bottom edges of the two buffer boards, and the quantity and the positions of the semi-spherical bumps correspond to those of the buffer holes in the two buffer guide rails one to one. The scrap iron vehicle can effectively avoid unexpected discharging and has long service life.

The invention discloses a composite interception system for runoff contaminants in a coastal zone of rivers and lakes. The composite interception system includes: a vegetation buffer zone, an underground water collection trench and underground cleaning pools. One side of the vegetation buffer zone is connected to a pollutant converging zone while the other side is connected to the underground water collection trench; the underground cleaning pools are arranged under the underground water collection trench at interval. The vegetation buffer zone can reduce flowing speed of surface runoff and intercept mud and sand in the runoff and absorb and eliminate related pollutants. The underground water collection trench and underground cleaning pools can merge surface flow and in-soil flow, which flow out from the vegetation buffer zone, so that the runoff contaminants are adsorbed and converted again. Through multiple layers of composite interception, adsorption, conversion, absorption and thelike from the vegetation buffer zone to the underground cleaning pools, water flowing into rivers and lakes is effectively purified by combining the technologies of a vegetation filtering zone and water centralized treatment technology and combining surface runoff interception and underground percolation purification. The system effectively reduces width of the vegetation buffer zone and saves land resources, and improves landscape effect of the coastal zone.