41 results about "Landscape value" patented technology

The invention discloses a degraded lakeside wetland and a restoration technology for the ecological function thereof, belonging to the field of environmental protection and biotechnology. On the basis of generally surveying the current situations of the natural wetland vegetation and plant community of the lakeside, the invention adopts the relative theories of vegetation ecology, restoration ecology and landscape ecology to construct the degraded wetland plant community; the water purification function of the plant is developed and the physical block function of the plant promotes the sediment of the suspended matter in water. Combined with the eco-engineering technology, the invention modifies the estuarine ecosystem by the interception function of the wave breaker, makes good use of the natural purification of the estuarine ecosystem and controls the nutrient input from the running water so as to restore the environmental value, ecology value and economic aesthetics value of the wetland. The restoration technology has the characteristics of strong operability, low cost, low maintenance cost, remarkable landscape value and economic value, and high water purification efficiency, and is suitable for the restoration and the water treatment of the natural wetland ecosystem of the lakeside in China.

The invention relates to technology for screening and arranging winter plants in artificial wetlands for purifying domestic sewage in subtropical regions. A method comprises the following steps of: screening seven plants with high purification capabilities, such as cress, rape, juncus effuses, saxifrage, Iris germannica, sweet osmanthus flower and flagIris according to adaptation capabilities andthree indexes such as a physiological property, a pollution resisting and removing capability and matrix enzyme activity; and combining and arranging the screened plants according to a sewage purification effect and a landscape effect. A winter artificial wetland plant mode has a good sewage purification effect, can operate safely and effectively in the subtropical regions and has certain landscape value.

The invention belongs to the technical field of wastewater treatment, particularly relates to a treatment method of wastewater anaerobic digestive fluid in a pig farm. The invention uses a water hyacinth pond for removing most of the ammonia nitrogen of wastewater anaerobic digestive fluid in a pig farm, later adopts large-scale emergent aquatic plant pond of water bamboo, reeds, and the like, combines artificial float grass and functional microbial inoculum for purifying the yielding water again so as to lead the concentration of ammonia nitrogen in the yielding water to be further reduced, and then adopts an aquatic animal breeding pond with landscape value for purification treatment. The invention not only can achieve standard discharge of the intensive pig farm wastewater anaerobic digestive fluid, but also can create economic benefits by the aquatic economic plants and aquatic animals in the pond and achieve water resource.

The invention discloses a municipal landscape water circulation system and a landscape water treatment method, belonging to the technical field of municipal engineering. The municipal landscape watercirculation system is characterized in that the system comprises a landscape pond containing water for afforestation, a water inlet pipeline, a sedimentation tank, a disinfecting tank, a purifying pond, a water outlet pipeline and a controller, wherein a plurality of green wall devices are arranged at the central part of the landscape pond, and a ring-shaped cuboid is defined by the green wall devices; each green wall device comprises brackets, pot bodies which are installed on the brackets and contain soil, and a plurality of irrigation water pipes arranged on the brackets; a lift pump communicated with a water outlet of the landscape pond is arranged in the middle of the space defined by the green wall devices, and the other end of the lift pump is connected with the irrigation water pipes; each irrigation water pipe is provided with an irrigation value. The landscape water treatment method comprises the steps of removing impurities and algae, carrying out sterilization and disinfection, carrying out purification and oxygenation, enabling the treated water to flow back to the landscape pond again, and sequentially repeating the steps in a circulating way. The system and the method improve the water quality, save the labor cost, and improve the utilization rate and landscape value of water body.

A disclosed multistage filtering biological floating island comprises a bio-floating bed, a multistage filtering column system and a support bar; the bio-floating bed is connected with the multistage filtering column system in a water body via the support bar; the bottom of the multistage filtering column system is provided with an anchoring device; and the multistage filtering column system is composed of multiple columnar hollow pipes, the axial direction of the columnar hollow pipes is same to the water flowing direction of the water body, and each of the columnar hollow pipe is filled with a filtering filling material. The bio-floating bed and the multistage filtering column system are effectively combined, the water body space is fully utilized, the biological floating island does not cause any energy consumption and does not generate secondary pollution, the purification effect of water plants, microbes and water-processing matrixes is effectively utilized, water processing cost is substantially reduced, and certain landscape value is provided.

The invention provides a nested oxygen-enhanced landscape vertical current artificial wetland. The artificial wetland comprises a downflow tank, an upflow tank and a landscape tank, wherein the downflow tank, the upflow tank and the landscape tank are arranged in a nesting manner, the heights of the three tanks are gradually reduced, the bottoms of the downflow tank and the upflow tank are communicated, at least three layers of substrate packings are paved in the downflow tank and the upflow tank, coarse sands are paved on the top layer, a water outlet groove is arranged on the upper part of the upflow tank, perforated aerator pipes are paved at the bottom of the downflow tank; and landscape plants are planted in the three tanks. The artificial wetland of the invention adopts the concentric nesting structure so as to increase the utilization rate of the land resource; and the effluent of the upflow tank falls into the landscape tank from all around in a high dropping manner and the dissolved oxygen content of the effluent is further increased during the dropping process, thus increasing the water quality of the effluent, promoting the removal of oxygen element in the sewage, improving the landscape value of the wetland system and facilitating that the wetland can be popularized widely.

The invention relates to a system for ecologically treating aquaculture wastewater, which comprises a primary storage pool, an accident pool, a solid-liquid separation zone, an earthworm composting zone, a regulation sedimentation pool, an anoxic pool, a gas collection system, an OAO system, a secondary sedimentation pool, an artificial natural layer filter pool and an impounding reservoir. The system has the advantages of 1, low investment cost, low operation cost, less quantity of energy-consuming members; 2, simple process, convenience for implementation, good generality, capability of adapting to the treatment of the aquaculture wastewater of different aquaculture occasions and aquaculture cells; 3, high treatment efficiency and capability of enabling effluent to reach the requirementof emission when the standard is met; 4, simpleness in maintenance, periodic spoil disposal, periodical inspection, no need of operation of specially-assigned person; 5, capability of generating a certain economic benefit while the aquaculture wastewater is treated; 6, high environment protection degree because rice and wheat straws, coconut shells and tree barks, which are discarded in countries, are recycled; and 7, a certain landscape value, wherein valuable products include an organic fertilizer, earthworms and methane; and grasses, trees and vegetations which are enjoyed by people can beplanted.

The invention discloses a blocking and controlling system for non-point source pollution in a middle water network zone and a construction method of the blocking and controlling system for non-point source pollution in the middle water network zone. The system comprises a front end sewage collecting separating system, a middle section sewage blocking disposing system, a tail end sewage disposing reusing system and a solid content harmless recycling system, wherein a non-point sewage composite blocking and controlling mesophytia is formed by the middle section sewage blocking disposing system and the tail end sewage disposing reusing system. The system has the advantages that non-point source pollution in the water network zone is blocked and controlled step-by-step and level-by-level, the disposing effect is stable, and final disposal of pollutants is achieved; the non-point sewage composite blocking and controlling mesophytia is established through each disposing unit in a coupled mode so that a high-level water network ecosphere can be formed, the ecology landscape value is high, water sources can be regulated and stored, the climate can be regulated, and ecological balance is maintained; the system is simple in structure, easy to construct, low in investment, small in damage to bays and villages, and capable of integrating the functions of cultivation production, water discharging, irrigation, water retention and soil fixation into a whole, and therefore a combined, polybasic and high-level village ecology production system is constructed.

The invention relates to a roof garden rainwater deep purification system capable of achieving automatic diversion and belongs to the field of sewage treatment. According to the technical scheme, the system comprises a plant box, a water storage tank, an initial rainwater purification module and a later rainwater purification box, and can conduct diversion on initial rainwater and later rainwater according to the amount of rainfall; the initial rainwater purification module comprises a filtering layer, a root-resistant layer, a filter element layer and a bearing layer, and can conduct deep purification on the initial rainwater; the later rainwater purification box conducts simple filtering on the later rainwater; the content of pollutants in the initial rainwater is high, deep filtering is needed, the content of pollutants in the later rainwater is low, and no deep filtering is needed. By means of a diversion mode, the initial rainwater is separated from the later rainwater, the rainwater treatment load of an initial rainwater filtering device is reduced, all modules in the purification system are mutually independent, assembly is simple, maintenance is convenient, and all the components can be quickly replaced and washed; the system consumes no energy, the rainwater treatment function is achieved and the system further has a landscape value.

The invention discloses a restoring method for a plateau reservoir hydro fluctuation belt through Knotgrass. Indoor and outdoor flooding simulation experiments for the Knotgrass are conducted to detect adaptability of the Knotgrass to the hydro fluctuation belt flooding environment; the Knotgrass is determined to still live after long time flooding; then the Knotgrass is introduced to the plateau reservoir hydro fluctuation belt; and after successful introduction, daily fertilizer and water management is conducted to the Knotgrass. The Knotgrass suitable for the plateau reservoir hydro fluctuation belt is found via systematical research; the Knotgrass is suitable for long term flooding of the plateau reservoir and can grow in the living environment exposed to the outside after flooding; certain biomass is achieved; certain landscape value is realized; and a certain protection action is conducted to water and soil loss of the plateau reservoir hydro fluctuation belt. By the use of the cultivation method for the Knotgrass in the plateau reservoir hydro fluctuation belt, the Knotgrass possesses high transplantation survival rate; and the Knotgrass can healthily grow with high efficiency on the hydro fluctuation belt.

The invention provides a nesting mixed flow constructed wetland, comprising an internal wetland unit, an external wetland unit, a baffle plate and wetland plants; the internal wetland unit is nested in the external wetland unit, the two wetland units are communicated by arranging a perforated plate, the internal wetland unit and the external wetland unit adopt different wetland types and are isolated by the baffle plate, one wetland unit is provided with an inflow pipe, and the other wetland unit is provided with an outflow pipe, and the internal wetland unit and the external wetland unit are both planted with wetland plants. The nesting mixed flow constructed wetland has compact layout, relative high landscape value, high decontamination efficiency, good purification effect, simple structure, convenient operation and maintenance, low investment and low operation cost, fully utilizes land types, saves occupied area, can realize zero release of sewage in city blocks, and combines the advantages of sub-surface flow wetland and surface flow wetland.

Disclosed is a high-value permanent forest cultivation technology with functions of land utilization and land maintenance. According to the technology, the design and setting of 3 or more tree species of 6 types of various matching trees which contain soil fertility, can naturally improve fertility and are suitable for sites are adopted, and advanced breeding achievements and forest culture and management technologies are utilized for new technology survey design of land utilization and land maintenance, diameter-containing groups and other new indexes; existing forests are subjected to selective cutting; the tree species of 6 types are classified, selected and set; soil preparation for afforestation or interplanting is conducted; tending management is conducted; target trees are classified; thinning is conducted; regeneration under a selection system is conducted, and cultivated forests have forest sustained-yield management natural capabilities like natural forest land fertility improvement, natural seeding self-renewal development, rich biodiversity, and resistance to diseases, insect pests and natural disasters. With every 10-20 years as one management period, permanent forests are formed, wherein the permanent forests continuously have large-diameter timber precious and high-value output, crown canopies of mixed, uneven-aged, multi-layer and multi-tree-species towering trees permanently cover forest land, and the permanent forests have high economic, ecological, socioculture and landscape value. The problems that large-area abies holophylla pure forests in the southern regions have declined soil fertility and lower productivity are solved.

The invention discloses a method of cultivating Bryophyllum pinnatum-kind plants by utilizing pineapple leaf waste and application thereof in mine greening and restoration. The method utilizes garden waste, mostly pineapple leaves, to cultivate the Bryophyllum pinnatum-kind plants, which is a novel, highly-efficient method of cultivating the Bryophyllum pinnatum-kind plants. The Bryophyllum pinnatum-kind plants cultivated by the method demonstrate great drought tolerance, adhesion and reproduction capabilities and can gather heavy metal. Additionally, the Bryophyllum pinnatum-kind plants are of landscape values, which show great effect of mine greening and restoration. The method utilizes pineapple leaf waste as a cultivation medium so that resource wastes and environmental pollution are avoided. The method provides a novel mode for reutilization of agricultural waste and has great application prospect and social benefit.

The invention discloses a small frame made of garden waste and capable of attracting Motacilla alba to reproduce and a construction method thereof. The small frame is constructed by using garden waste, and is used for attracting the Motacilla alba or other small birds to construct nests and reproduce on the small frame in a reproduction season. The garden waste is used as a construction material,the problem of resource reuse of the garden waste can be solved; the small frame is low in cost, is easy to operate, is detachable and movable, can improve the ecological quality and landscape value of a region, and has good application prospect.

The invention discloses a plant decontamination method for nitrogen and phosphorus in sludge. The method comprises the following steps: planting a wetland plant in the sludge, wherein the wetland plant is at least one of thalia dealbata, water poppy, cattail, angel flower, clinopodium urticifolium, canna, ruellia brittoniana, bamboo reed, echinodorus macrophyllus, acorus calamus, orris, philodendron selloum and alocasia. According to the plant decontamination method, the specific wetland plant is used for decontaminating the sludge, particularly for decontaminating the nitrogen and the phosphorus in polluted bottom mud; the decontamination effect on the sludge is good, and wild wetland plant resources are fully used; multiple wetland plants with high adaptability, good decontamination effect and high landscape value can be selected; favorable conditions are created for reasonable construction of an artificial wetland ecological system.