134results about How to "Landscaping" patented technology

The invention relates to a method for greening the mine, comprising that based on the competition of mine, furnishing the slope into reverse-slope inclined terrace, using slurry method to extinguish fire and reducing temperature, plating disinfector on the face of mine, using inertia material to cover and roll the face of mine, covering soil and building soil and water conservation, greening and managing. The invention can combine the fire extinguish and green techniques.

The invention provides a tandem type riverway water quality improvement and water resource storage adjustment method. The method specifically comprises the following steps: (1) establishing a water quantity storage adjustment system which comprises a rubber dam or grouted low dam which is constructed in the riverway and reservoir ponds which are constructed at the two sides of the riverway, excavating a reservoir pond outside the riverway with the rubber dam, and establishing a water quality guarantee system at the periphery of the reservoir pond; (2) establishing tandem artificial wet lands in the riverway; (3) establishing water quality improvement systems at the two sides of the riverway; and (4) establishing an on-line monitoring and automatic control system. According to the invention, a tandem water quality purification system is constructed in the riverway by using a comprehensive treatment technology, green galleries are constructed at the two sides of the riverway on the basis of improvement of riverway water quality, the water conservancy circulation of water resources can be realized among the artificial wet lands in the riverway, the water quality improvement systems at the two sides of the riverway and the reservoir ponds by virtue of the on-line monitoring and automatic control system, thereby reducing the influence degree of an unexpected environment pollution accident of the river basin and cost for treating the unexpected environment pollution.

The invention relates to a solar energy illuminating control power supply, which can synchronously output direct current of 12V or 24V and alternating current of 220V / 50Hz or 110V / 60Hz through a solar panel and the input of commercial power and ensure direct current and alternating current supply for LED lamps or other energy-saving lamps in overcast and rainy seasons to achieve the aims of environmental protection and energy conservation. Based on the prior solar energy charge power supply, the solar energy illuminating control power supply is also provided with an alternating current complementary power supply unit and an inverter; the commercial power is subjected to AC / DC conversion of the alternating current complementary power supply unit and then output to an input end of a direct current output switch; the other input end of the alternating current complementary power supply unit is connected with an output / input end of an accumulator battery, the voltage of the accumulator battery is detected, and the AC / DC conversion of the alternating current complementary power supply unit is controlled; and the inverter is connected between a cathode end of a diode and the other path of signal control output end of a power supply output control circuit, and outputs the alternating current.

The invention relates to a method for designing a shading transition facility for a road tunnel entrance. The facility mainly comprises transparent toughened glass plates (2), a plurality of arched steel-structure upright columns (3), cicada-wing-shaped nontransparent shading films (5) and a shading transition retroreflection system, wherein the arched steel-structure upright columns (3) are gradually heightened outwardly from tunnel cave entrance end walls (1), and horn-shaped openings are formed by the arched steel-structure upright columns (3) and the transparent toughened glass plates (2) on the upright columns; the cicada-wing-shaped nontransparent shading films are arranged on inner layers of the transparent toughened glass plates, and contour line planes and side face projections of the shading films are Boltzmann curves, and the two sides of each arched steel structure are triangularly hollowed; the retroreflection system comprises medium-frequency steel-structure upright column contour marks (7), medium-frequency guardrail contour marks (8), high-frequency guardrail facade marks (9), high-frequency pavement marking lines (10) and high-frequency pavement protrusion marks (11). The shading transition facility has the advantages that the intense transition of space, luminance and reference of the tunnel entrance can be improved, and the black-hole effect on the tunnel entrance is relieved.

The invention relates to a novel composite arc bridge structure, and particularly discloses a lattice-type large-span soil-filling composite corrugated steel arch bridge structure. Sandwich mortar composite corrugated steel plates are adopted as large-span main arch rings of the composite structure. The corrugated steel plates are connected to form a reversely arranged double-layer plate through bolts, studs are arranged in an interlayer, and filled high-strength mortar forms an integral sandwich composite corrugated steel plate. Corrugated steel tubes are adopted by gastropore. Load is conveyed between the main arch rings and the gastropore by filling soil. The lattice-type large-span soil-filling composite corrugated steel arch bridge structure has the advantages of being low in weight, durable, high in strength, good in flexibility, high in performance, rapid in construction, good in economic benefit and the like, is an ideal alternative to reinforced concrete bridges, can be widely used in the construction of middle-sized bridges (20-50m), and can certainly generate good social economic benefit.

The invention discloses a multifunctional solar ship for restoring water and an application method of the multifunctional solar ship. The multifunctional solar ship comprises a main ship body and a solar power supply shipyard; the main ship body consists of a light-weight floating structure, a ship body and a garbage collector, wherein the ship body is arranged on the upper surface of the light-weight floating structure, the garbage collector is connected to a right front of the light-weight floating structure. The solar shipyard comprises a shipyard main body, a solar energy canopy and a three-step staircase-type flow-making waterfall. By adopting the independent solar power supply shipyard, the separation of a power generation device from the main body is realized, the space of the ship body can be effectively utilized, and a foundation is set for achieving the diversification of the functions. An ecological treatment function is coupled with an aeration function; oxygen is provided for a biological ribbon by virtue of an aeration device, so that the treatment effect can be improved. The multifunctional solar ship has the functions of landscape beautifying, garbage collection and water surface monitoring; the garbage collector which is arranged on the head of the ship can be used for automatically collecting garbage on the water surface, and an omnibearing camera which is installed on the top of a cab is used for monitoring the water surface in real time.

The invention belongs to the relevant technical field of environmental-protection buildings, and particularly relates to a construction method for a green roof of a high-rise building. The construction method for the green roof of the high-rise building includes the steps of roof structure base layer treatment, construction of a water storage and drainage system, screening of a matrix layer and a vegetation layer, roof load analysis and construction of the matrix layer and the vegetation layer, and is reasonably designed according to structure and environment characteristics of the roof of the high-rise building. Engineering water resistance, roof greening and energy-saving heat insulation are combined to form a complete system, the urban heat island effect is relieved to a certain extent, the oxygen content in the urban atmosphere can be increased, harmful substances are absorbed, and atmospheric pollution is relieved; the living environment can be improved, the urban landscape is beautified, and the human can live in harmony with the nature; and the problems in the aspects of roof loads, drainage design, plant selection, soil configuration and the like of the green roof are reasonably solved, and improvement and development of urban roof construction of China are promoted.

The invention relates to methods for urban river hard vertical bank ecologicalization, landscaping and water quality purification, in particular to an ecological revetment and a construction method thereof. Materials needed by the method comprise metal net cages, cobs, gravels, fixing frames and wetland plants. Firstly, according to the water depth of the riparian zone, the metal net cages and the angle iron fixing frames are customized; the fixing frames are fixed to a hard vertical bank wall through expansion bolts every 1 m, and then the metal net cages are hung on the wall through fasteners; the metal net cages are filled with the bought cobs, the filling cobs are 70 cm high until the cobs are away from the top of the corresponding metal net cage by 30 cm, and then the metal net cages are filled with the gravels which are 30 cm thick; and finally the selected wetland plants are planted on the surface layer of each metal net cage. The ecological revetment is easy to mount and high in construction speed, the original river bank is not damaged, and nitrogen and phosphorus elements in water bodies are well purified; the constructed revetment has beautiful landscape and is suitable for remediation of the ecological function of hard vertical banks of water bodies such as urban rivers and lakes.

The invention discloses a mountain area river ecological runoff calculating and application method, and solves the problems that mountain area small and medium river annual rainfall distribution is not even, water inflow in a dry season is insufficient, and limited ecological runoff cannot satisfy wide and shallow riverbed full coverage and current continuity; the method comprises the following steps: using a Tennant method to calculate the minimum ecological runoff volume that satisfies the riverbed ecology system basic demands, wherein the minimum ecology flow cannot cover the whole riverbed and form certain depth in a non-flood season; using the minimum ecology flow as the design flow, and using a manning formula to calculate to-be-drilled width and depth of the main channel riverbed; drilling down the riverbed in the main channel of the riverbed according to the calculated width and depth. Engineering measures can narrow and deepen the riverbed, so limited ecological runoff can flow along the riverbed center in the non-flood season, thus preventing riverbed cutoff, ensuring river water body continuity, ensuring riverbed ecology flow, and satisfying mountain area river aquatic biology survival and multiplying basic demands.

The invention provides a green roofing system and relates to the technical fields of water storage and drainage of roofs. The green roofing system comprises a green roofing system body and a drainingditch, wherein a drainage pipe is arranged on one side, close to a water returning pipeline, of a water storage and drainage layer and is connected with a water storage layer; a drip irrigation pipeline is arranged in a substrate layer and is connected with a water returning pipeline; a filtering layer filters impurities seeping from the substrate layer along with rainwater; the water storage anddrainage layer drains the rainwater to the water storage layer through a drainage pipeline; a waterproofing rooting resistant layer is attached to the roof. The green roofing system provided by the invention has the advantages of saving land resources, reducing storm runoff, relieving a heat island effect to a certain degree, favorably increasing the content of oxygen in urban atmosphere, reducingatmospheric pollution and improving living environment; meanwhile, the rainwater is purified, then collected and stored for irrigating vegetation, so that ecological recycling of water is realized.

The invention discloses a factory seedling-culturing method for dwarf bamboos, which comprises the steps of regarding a flat section being good in illumination condition and convenient in irrigation and drainage as a seedling-culturing land; regarding turfy soil and loess as breeding matrixes, wherein the volume ratio of the turfy soil to the loess is 1-3 to 1; regarding a nutrition bowl of 10cm as a breeding container; selecting green bamboo rhizomes growing for two to three years as breeding materials; bedding one second of breeding matrixes into the breeding container; horizontally placing the breeding materials onto the breeding matrixes; and covering the breeding matrixes in thickness of 3cm for seedling-culturing planting. Each rhizome section of the breeding materials has robust and plump buds, and each section of the breeding materials have two to three sections of the bamboo rhizomes. The method is simple in operation, low in cost and fast in seedling emergence. The survival rate of bamboo seedlings can reach 89% to 90% and can maximally be improved by 130% compared with the prior art, and the survival rate of the bamboo seedlings can reach 100% in the following planting process. The bamboo seedlings can be uniform in height and attractive in color, and the scenery formed by the bamboo seedlings during the garden landscape is graceful. The method requires a short cycle, careful management after the bamboo seedlings are planted is not needed, and the cycle from planting to ornamental value obtaining of the bamboo seedlings only needs ten to fifteen days.

The invention discloses an injection molding method for a soft surface and stitch lines of an automotive door interior trimming panel. The method comprises the following three steps: 1 surface premolding; 2 finishing adding of real stitch lines to complicated shapes of curved surfaces and the like through 3D stitching on the surface; and 3 carrying out injection molding through a low-pressure injection molding mold to finish the injected automotive interior with the surface with target grains and the stitch lines. Products produced by the injection molding method are uniform in size, can be seamlessly lapped with matched parts, and are high in size stability, relatively small in internal stress, and not easy to deform; the stitch lines can be added to the curved surfaces and complicated surfaces; and the model of the automotive door interior trimming panel is beautified.

The invention discloses a river-way ecological management system. The river-way ecological management system comprises a river way and revetments, wherein a plurality of ecological biological water treatment systems and rubber retaining dams are arranged on the river way; side concrete layers are arranged on two sides of the river way, and a bottom concrete layer is arranged at the bottom of the river way; a mud collecting channel is formed in the bottom concrete layer; and micro-wetland ecological systems are arranged between the side concrete layers and the revetments and comprise rainwater channels and aquatic plants, and sewage channels are formed in the lower parts of the micro-wetland ecological systems. The invention further discloses a method for managing the river way by virtue of the river-way ecological management system. By virtue of the system and the method, sectional management and combined management are realized, so that the sewage purification efficiency is improved, the treatment period is shortened, the operation flow is simplified, the cost is lowered, and a water ecological environment of the river way is remarkably improved.

The invention discloses an automatic collection device for floating objects on a water surface. The device comprises an outer barrel, a net bag, a fixing mechanism and a water pump, wherein the outer barrel is of a metal structure with the upper end open, and an opening is formed in the bottom of the outer barrel; a connection mechanism is arranged on an opening part of the net bag, and the net bag is detachably fixed into the outer barrel through the connection mechanism; the fixing mechanism is used for fixing the outer barrel into water and enabling the top face of the outer barrel to be slightly lower than the water surface; and a water inlet of the water pump is connected with the opening in the bottom of the outer barrel through a water pipe. The invention further discloses an automatic collection method for the floating objects on the water surface. By means of the automatic collection device, automatic collection of the floating objects is achieved by ingeniously utilizing the waterhead, the manufacturing cost is low, and consumption of manpower and material resources can be greatly reduced; and cleaning operation is convenient, and the collected trash can be treated in a concentrated manner. A large number of automatic collection devices can be applied to various water areas and places near a coastline, the floating objects on the water surface are cleared away efficiently, the water quality of the water areas is improved, the landscape is beautified, and very high practicality is achieved.

The invention relates to a light-induced mosquito eradication flowerpot for controlling the propagation of mosquitoes in gardens, which comprises a flowerpot body, spawning cavity, an insectary, an eclosion chamber, a skylight pipe, a planting groove and flowers and trees, wherein the flowers and trees are planted in the planting groove on the upper part of the water-containing flowerpot body; the spawning cavity is formed in the center of the flowerpot body, a mosquito inducing opening is formed on the upper part of the spawning cavity, and a mosquito larva outlet gap is formed on the lower part of the spawning cavity; the eclosion chamber is formed below the planting groove, and a water body below the eclosion chamber is used as the insectary; the flowerpot corresponding to the eclosion chamber is provided with a window and an overflow gate; and the planting groove is provided with the skylight pipe for daylighting and ventilating. Female mosquitoes fly into the spawning cavity and spawn on a water surface at a spawning opening in the center of a floating ring, mosquito larvae descend due to phototropism, swim into the bright insectary from the gap and find food to pupate, and adult mosquitoes subjected to eclosion are trapped in the eclosion chamber, so that a reproduction chain is interrupted; and when water in the flowerpot is dried, the floating ring sinks and blocks the gap to prevent the mosquitoes in the eclosion chamber from escaping. The light-induced mosquito eradication flowerpot is widely arranged in living quarters or beauty spots so as to beautify the gardens and eradicate the mosquitoes without paying more money.

The invention relates to a method for producing flower ecological base fertilizers and the use of the said flower ecological base fertilizers, which comprises the following steps: A) the fermentates: making the extraction of vegetable oils, fecula, glucose and zinc fertilizers to ferment about 7 days with saturated water in the temperature of 25-35 Deg. C and PH about 7, wherein inoculating erythraeas enlarged agents, B) inoculating composited microbe bacterium agents: inoculating the hybrid ferment bacterium enlarged agents on the said fermenting paste fermentates, cultivating about 3 days in the temperature of 45-55 Deg. C, drying to get the flower ecological base fertilizers, dispensing the different quick-effective nutrescin to get the leaves flower fertilizers, flowers flower fertilizers and fruits flower fertilizers according to the different kinds of application flowers such as leaves, flowers and fruits.

The invention relates to a half-through bowstring arch bridge with a vehicle and a light rail on the same layer. A main beam of the arch bridge adopts a mixed structure; a side span main beam adopts a prestressed concrete structure; and a mid-span main beam adopts a steel box girder structure. The arch bridge is characterized by having a combined arch force transfer system; and the force transfer system comprises a lifting basket type steel box main arch and a back stay rope. As a novel structural design of a bridge building is adopted, the same-layer arrangement of improving the linear technology standard and reducing the manufacturing cost is realized, and the beauty and structure unification of the bridge building is realized.

The invention discloses a zero-emission treatment system for domestic sewage and a treatment method and belongs to the technical field of environment-friendly sewage treatment. The treatment system comprises a domestic sewage precipitation device, a water distribution device, a subsurface-flow constructed wetland and an anti-percolator, wherein the precipitation device is connected with the water distribution device through a pipe; the water distribution device is arranged at the middle and upper part of the subsurface-flow constructed wetland; and the anti-percolator is paved at the bottom and the side wall of the subsurface-flow constructed wetland. The sewage treated by the precipitation device is conveyed to the constructed wetland through the water distribution device, nitrogen and phosphorus and organic pollutants in water are filtered, intercepted, adsorbed, decomposed, absorbed and utilized by roots and stems of plants, and material circulation is achieved through regular cutting. The anti-percolator is paved on the constructed wetland, so that consumption and utilization of the domestic sewage in the constructed wetland of willows with certain planting density are ensured and the target of zero-emission treatment of the sewage is achieved.

The invention discloses a fertilizer for planting flowers. The fertilizer comprises the following raw materials in parts by weight: 20-30 parts of animal manure, 10-20 parts of modified starch, 5-15 parts of rapeseed cake oil, 7-13 parts of powdered rock phosphate, 2-6 parts of active carbon, 8-13 parts of wheat bran, 12-17 parts of tea waste materials, 4-8 parts of vermiculite, 6-12 parts of an acrylic resin water absorbing agent, 5-10 parts of urea, 2-3 parts of copper sulphate, 1-2 parts of zinc sulfate, 3-5 parts of borax, 8-17 parts of bentonite, 2-3 parts of glucose, 6-11 parts of Chinese medicine residues, 7-14 parts of humic acid soil, and 3-7 parts of a coating agent. The fertilizer for planting flowers has the effects for activating and loosening flower substrate, improving continuous fertilizer supplying capability of the flower substrate, strengthening roots and strains, inhibiting propagation of harmful pathogen, prolonging florescence, improving glossiness, and beautifying flower color, leaf color and fruit color.

The invention discloses a bituminous pavement local repairing structure and a repairing method. The bituminous pavement local repairing structure comprises a prefabricated module; the prefabricated module adopts a wedge-shaped body; the four side surfaces of the prefabricated module are uniformly changed slope surfaces; the prefabricated module is poured by using concrete; a distribution steel structure is arranged in the position, which has a certain distance from the top surface, in the prefabricated module; a vertically downward dowel is arranged in the position of each crossed point of thedistribution steel structure; the top of the dowel is bent downwards in the position of a node connected with the distribution steel structure; an extending section, at the bottom of the prefabricated module, of the dowel is inserted into a bed course of a roadbed; and the embedded prefabricated module and the bed course mutually bear forces. The bituminous pavement local repairing structure canbe used for rapidly repairing bituminous pavements after the bituminous pavements are locally damaged; and the bituminous pavement local repairing structure has the advantages that the durability in use is good, the construction speed is high, the road linkage is good, the appearance and color are consistent and the damaged bituminous pavement can be rapidly replaced; and meanwhile, the repairingmethod has the advantages of simple construction process and low cost.

The invention discloses a method for building wetland vegetation in hydro-fluctuation belts of Three Gorges reservoir by utilizing lotuses, which relates to a method for restoring vegetation ecosystems in reservoir hydro-fluctuation belts. The method comprises: 1, selecting two lotus varieties, namely red lotuses and Hunan lotuses as plant materials; 2, selecting the prior farmland in the reservoir hydro-fluctuation belts as a planting base; 3, plowing and leveling the farmland, widening field ridges and reinforcing the inner sides of the field ridges in first ten days of April; 4, selecting lotus roots with intact terminal buds as seed lotus roots, planting the seed lotus roots by a ramet method in middle / last ten days of April, keeping water level at 10 cm and gradually raising the water level to 15 cm in future along with the growth of floating leaves and vertical leaves; and 5, managing by conventional methods. The method builds wetland vegetation ecosystems in the hydro-fluctuation belts by renovating the prior farmland and planting lotuses so as to achieve the effect of beautifying landscapes of the hydro-fluctuation belts and improve the quality of the ecological environment of the hydro-fluctuation belts.

The invention relates to a method applied to treatment of a black and odorous water body, and belongs to the field of ecological environment treatment. The method is characterized in that a bio-ecological micro-power floating island device is floatingly placed in the black and odorous water body that needs to be processed; biological carrier modules and plant modules are installed in a floating island tank body in the bio-ecological micro-power floating island device; pneumatic blades on the bio-ecological micro-power floating island device drive a wind-driven air compressor to generate compressed air and the compressed air is stored in an air compression storage tank; the compressed air in the air compression storage tank provides rotation, movement, aeration and water inflow and drainage of the floating island tank body to complete the purification treatment of the black and odorous water body. According to the method, friendly integration with the surrounding environment is realized, no additional electric power or fuel is needed, the processing efficiency is high, and energy saving and environment-friendly effects are achieved. Meanwhile, the invention provides the bio-ecological micro-power floating island device; the device has the characteristics of stability and high efficiency, land occupation saving and beautiful landscape.

The invention discloses a porous mold bag concrete ecological bank protection structure and a construction method thereof. The porous mold bag concrete ecological bank protection structure mainly comprises concrete fins, bamboo pipes and anchor rods; the concrete fins are made of mold bag self-compacting concrete, and a certain angle is formed between the length direction of the concrete fins andthe slope surface contour line; valleys parallel to the length direction and the width direction of the concrete fins correspondingly are reserved between the concrete fins; and one ends of the anchorrods are inserted in a side slope, and the other ends of the anchor rods are fixed to the nest bamboo pipe and the vegetation bamboo pipe and buried in the concrete fins. The porous mold bag concreteecological bank protection structure can adapt to the complex terrain, is high in construction efficiency and can be applied to rocky water banks or hydro-fluctuation belts, nests are provided for wild animals while the water banks or the hydro-fluctuation belts are effectively protected, and the growing environment is provided for plants.

The invention relates to a vegetation recovery method for an acidic gangue hill, and belongs to the technical field of environment, ecology and solid waste disposal and utilization. The method comprises the steps of selecting different vegetation community configuration schemes and hill surface soil-covering thickness according to the requirements on greening of the gangue hill, carrying out greening by means of shrub hill-planting and artificial sowing of grass seeds, and carrying out regular rearing management in the growing period. According to the method, seven herbaceous plants and threeshrubs are combined to obtain three gangue hill vegetation recovery modes suitable for different greening standards, so that the ecological environment of a coal mine area can be effectively improved,the local landscape is beautified, and the social, economic and environmental benefits are high. The method provided by the invention has the advantages that the optimal grass seed usage and shrub planting density for the gangue hill vegetation recovery project are provided, the treatment cost of the acidic gangue hill is reduced, the comprehensive benefit of greening treatment for the gangue hill is improved, and the practical method convenient to popularize is provided for the technical field of gangue vegetation recovery.

The invention provides a water body wind energy reoxygenation device characterized in that the overground part is an oxygen supply machine which can utilize natural wind power and comprise a tower post and components at the upper part of the tower post, i.e. a wind turbine blade, an air compressor and a rudder, and an underwater part is a floating aeration device which comprises a floating ball and a perforated pipe and connected with the wind power oxygen supply machine through an air pipeline. The invention has the advantages that the water body wind energy reoxygenation device carries out aeration and oxygenation to the water body by utilizing natural wind power, saves electric power resources, reduces noise, has the effects of energy saving and noise and consumption reduction, can improve the dissolved oxygen content of the water body, change the microbial environment of the water body, strength the self-cleaning capability of the water body and improve the water environment quality; the water body wind energy reoxygenation device also directly converts wind energy into air compression energy for the aeration and the oxygenation of the water body, lessens the energy loss and has high energy utilization rate; and the clustered water body wind energy reoxygenation device can form brilliant scenery and beautify the landscape of the water body.

The invention discloses a heat-insulating and waterproof system of a planted roof and a construction method thereof. The heat-insulating and waterproof system comprises an inverted roof, a siphon type roof drainage system and a rainwater collection and reuse device, wherein a structure layer, a sloping layer, a leveling layer, a waterproof layer, an XPS board heat-insulating layer, a root separating protective layer, a drainage layer, a geotechnical cloth filter layer and a planting soil layer are sequentially arranged on the inverted roof. The construction method comprises the construction steps: (1) cleaning the structure layer; (2) constructing the sloping layer and the leveling layer; (3) laying an HDPE (High Density Polyethylene) film waterproof layer; (4) laying the XPS board heat-insulating layer; (5) constructing the root separating protective layer; (6) constructing the drainage layer; (7) laying the geotechnical cloth filter layer; (8) constructing the planting soil layer; (9) carrying out acceptance check. According to the heat-insulating and waterproof system of the planted roof and the construction method thereof, the defects of the traditional roofs are improved, and the service life of the waterproof layer is effectively prolonged; through additionally arranging the siphon type roof drainage system and the rainwater collection and reuse device, rich precipitation resources can be excellently utilized, the consumption of tap water is lowered, and the improvement on the current situation that water resources are scarce is facilitated.

The invention discloses a single-edge magnetic levitation rotating device adopting a double-coil rotating part. The device is divided into upward levitation and downward levitation types. The downward levitation type is characterized in that: an electromagnet which provides a pull-up magnetic levitation force and has a downward opening and the double-coil rotating part which provides a rotating force are arranged in a box body; a magnetic levitation permanent magnet and a rotation magnetic piece are arranged on the upper part of a magnetic levitation rotating body; the magnetic levitation rotating body carries out magnetic levitation and two-way automatic rotation below the box body; and a space below the magnetic levitation rotating body can be completely emptied out. The upward levitation type is characterized in that: a turbinate magnetic levitation permanent magnet and the rotation magnetic piece are arranged on the lower part of the magnetic levitation rotating body; a hollow magnetic ring which provides a lifting force is arranged in the box body below the magnetic levitation rotating body; the electromagnet which provides a downdraft magnetic levitation force and has an upward opening, a limiting coil for centre positioning and double coils are arranged in the ring; by a centripetal electromagnetic component force which is provided by the limiting coil, the slipping, overturning and fly-off of the magnetic levitation rotating body during levitation by the lifting force below the magnetic levitation rotating body can be avoided, so the magnetic levitation rotating body can stably carry out magnetic levitation and two-way random automatic rotation above the box body, and the space above the magnetic levitation rotating body can be completely emptied out. The device is elegant in appearance and has a better magnetic levitation visual effect.

The invention relates to guard bar of high-speed road, belonging to the construction of fence. The invention comprises post and guard board, which is characterized in that: bolt holes for installing guard board are mounted in the upper part of post; the guard board which using screw steel bar as reinforced rib, is improved by the agent which containing project plastic as main material mixed with colorful mineral paint, to be molded and injected one continuous noctiluent line in the middle of top; guard board and resilient plate are fixed on the top of post with their bolt holes; the low part of post which is near the surface of ground are put into a resilient cylinder to embedded into soil or concrete. The advantages of this invention include better resilience of guard bar, big rebound, and reducing the harm and death rate when the car are shocked.

The invention provides a water storage and drainage ecological structure of an environment-friendly roof, and belongs to the technical field of sponge cities. The water storage and drainage ecologicalstructure comprises a green roof structure, a water receiving bucket, a water guide pipe and the like, wherein the green roof structure is arranged on a roof plate of a house; in the structure of thegreen roof structure, a planting soil groove is formed in the upper part; a water storage cavity is formed in the lower part; a vegetation layer is arranged above the planting soil groove; a partition plate is arranged between the planting soil groove and the water storage cavity; the lower part of the water guide pipe communicates with an underground drainage pipe; and the water receiving bucketis arranged above the water guide pipe. The water storage and drainage ecological structure of the environment-friendly roof has the advantages that the defect that an existing roof needs to be frequently greened manually can be overcome through the operation of automatically filtering stored water, draining water and supplying water to vegetation, and the problems of rainwater resource waste, urban inland inundation and the like can be effectively solved.

The invention discloses a plant purification method for reducing SO2 concentration in air of an industrial area, which comprises the following process steps: planting one or a combination of oleanders, sycamores and weeping willows serving as roadside tree species at intervals of between 150 and 200 cm in plant areas and peripheral regions, performing lawn planting on Lucerne, gardenias, China roses in a hunk of space areas or planting the combination of the Lucerne, the gardenias, the China roses into a lawn, planting the oleanders, the sycamores and the weeping willows alternately for matching, and planting small trees among the plants sporadically; loosening and ploughing a ground substance at intervals of half a month during planting, appropriately introducing animals, such as earthworms and the like to loosen the ground substance, spraying and washing the dust on leaves of the planted plants, adding biological growth promoters into the plants or inoculating part of mycorrhiza organisms, watering fertilizers of leaf surfaces supplementarily, and harvesting the leaves shed naturally at any time. The plant purification method has the characteristics of no secondary pollution to environment and high absorption enrichment amount of the sulfur dioxide, soil and water loss prevention and control, environment beautification and the like.