43results about How to "Avoid ecological damage" patented technology

The invention discloses a nanometer environmental protection water-borne woodwork coating and a preparation method thereof. The nanometer environmental protection water-borne woodwork coating is prepared by the following raw materials according to the parts by weight: 60-90 parts of water borne woodwork coating special ylate emulsion, 7-15 parts of water, 1-4 parts of water-borne coating nanometer sizing agent, 6-9 parts of water-borne coating and a define amount of wetting agent, foam killer, water-borne coating flatting agent, wax emulsion and rheology modifier. The invention improves the solvent resistance performance of a paint film by adding nanometer materials into the woodwork coating. The water-borne woodwork coating does not have any harmful effect on human body and environment in the manufacturing and use process and is an environmental protection product.

The invention discloses a special soil subgrade structure and a construction method thereof. The special soil subgrade structure comprises a special soil, a triple-combined soil, a cohesive soil, a gravel cushion and a triple-combined soil base course, wherein bamboo filaments are additionally mixed in the triple-combined soil. According to the invention, the bearing capacity and the stability of the special soil subgrade structure can be improved; influences of extraneous water, such as side slope seepage, surface water, underground water and the like, on special soil can be also effectively blocked; the special soil sensitive to water, such as an expansive soil, a collapsible loess, a red clay, a salinized soil and the like, can be directly used for laying of the subgrade; building fillers can be sufficiently utilized to avoid spoiling of excavation soil, borrowing of fillers and transferring of the fillers; and the adoption of a novel bamboo material as reinforcing and slope-protecting materials adapts to a demand that the civil construction industry is developed towards low-carbon, energy-saving, environment-friendly and sustainable directions. Therefore, the special soil subgrade structure disclosed by the invention can save project investment and is energy-saving and environment-friendly.

The invention discloses a protective structure for preventing and controlling a riverway concave bank from being eroded. The protective structure comprises an overflow weir formed through double-layerinlaying, a protective arm and dam abutments formed by inlaying large dimension stones. The relatively higher protective arm is arranged on the concave bank side prone to erosion of a riverway, and the relatively low overflow weir is arranged at the center of the riverway, so that river water is centralized in the overflow weir and a protection-free convex bank to flow through a river bend, flowing of the river water close to the concave bank is retarded, the shear stress at the concave bank is reduced, silt at the concave bank is prevented from being eroded by the river water, meanwhile water level rise before the overflow weir is quick, a scour pit is formed behind the weir, pressure gradient is formed on a river bed due to water level difference, and surface water and underground waterexchange is promoted. Compared with a traditional method, the protective structure is low in cost and long in service life, can also prevent the concave bank from being eroded, promotes surface waterand underground water exchange, thus improves the self-cleaning capacity of the riverway, relieves riverway pollution and has a wide application prospect in the fields such as channel improvement ofriverway and mountainous area drainage basins.

The invention relates to the technical field of gastrodia elata planting, in particular to a gastrodia elata planting method. Through treatment of the steps (1), (2), (3) and (4), nutrition supply in the gastrodia elata growth process is sufficient, the contact rate of protocorms and armillaria mellea is high, the growth vigor of the protocorms is high, few gastrodia elata capsules are generated, and the yield of finished gastrodia elata is high.

The invention discloses a high-efficiency environment-friendly pig breeding method. The method includes the steps of selection of cultivation sits, construction of a hog house, activity management, fodder management, music management and disease control. According to the high-efficiency environment-friendly pig breeding method above, by breeding pigs under a natural condition, limiting pig breeding processes with a regular rest schedule and providing excellent pig breeding environment, the reproductive ability, meat quality and weight of pigs can be improved; by using pig excreta as organic fertilizer for weeds and using the weeds as pig fodder, the effect of breeding the pigs ecologically can be achieved.

The invention discloses a method for recycling phosphorus from sludge ash. According to the method, sludge incineration ash is taken as a raw material and undergoes first extraction with a sulfuric acid solution, then the obtained extraction liquid is mixed with a concentrated sulfuric acid solution according to a volume ratio of 28.8:1.2 to 28.4:1.6, so that a new extracting agent is prepared andused to extract the remaining sludge ash; and if necessary, the sludge ash can be divided into multiple parts for multiple extraction, and an extracting agent used in a next extraction is formed by mixing an extraction liquid obtained after a previous extraction with a concentrated sulfuric acid solution. In the method of the present invention, the extraction liquid is used as an extracting agent, so that discharge of waste liquid is greatly reduced, and after cyclic extraction, the extraction rate of phosphorus in the sludge ash can exceed 96%, and the concentration of phosphorus in a finalextraction liquid exceeds 21-23 g / L, thereby effectively solving the technical problems of low phosphorus extraction rate, large consumption of chemicals and large amount of waste liquid in the priorart.

Described is a system for allowing ecologically-sensitive return of brine to seawater. A plurality of “smart” hoses is employed with riptide and sun light sensors so as to allow for returning concentrated brine to as large a volume of sea water as possible. Return hoses may include elements to allow for control of their depth and location for optimal safe brine release.

The invention provides a pavement brick which is prepared from the following raw materials by weight (kg): 50-64kg of muck, 16-50kg of cement, 2kg of curing agent and 4.9-8kg of water. The pavement brick provided by the invention has the beneficial effects that (1) the preparation method of the product provided by the invention is simple, low in cost and easy to operate, and the raw materials areeasy to obtain, thereby greatly reducing the cost; (2) recyclable materials such as construction waste (backfill) silt and muck are selected as the raw materials; and (3) gravel is not used, thereby avoiding ecological damage caused by exploitation of a large number of mountains.

The invention discloses a special fertilizer for forest ornamental plants and belongs to the technical field of plant fertilizer. The special fertilizer comprises the following compositions: 15.0 to 29.8 percent of harmless selectomycin bacterial residue, 10.0 to 15.0 percent of urea, 8.4 to 8.5 percent of diammonium phosphate, 10.0 to 13.3 percent of a potassium compound, 20.0 to 22.0 percent of calcium superphosphate, 5.0 to 15.0 percent of nitro humic acid and 2.0 percent of rare earth chelated with amino acid; and the compositions are calculated according to weight percentage. The special fertilizer is suitable for the forest ornamental plants at homes, nurseries, gardens, mountain forests and the like. In the process of planting forest trees, the special fertilizer is used to well promote the growth of the forest trees, has good fertilizing effect and mild nature and is a green product. The special fertilizer overcomes the disadvantages the prior forest fertilizer is easy to form soil hardening and reduce soil productivity and the like after being used and has good development and application values.

The invention discloses a formula of straw compound real wood imitated wires. The formula comprises the following components in part by weight: 5 to 8 parts of straws with granularity of 80 to 300 meshes, 20 to 30 parts of limestone with granularity of 150 to 500 meshes, 20 to 30 parts of PVC resin, 0.1 to 0.2 part of polyethylene wax, 1.0 to 1.5 parts of stabilizer, 0.2 to 0.5 part of AC foaming agent and 0.05 to 0.15 part of paraffin. The formula realizes recycle and reutilization of wastes, is economic and environment-friendly and avoids damage to the ecology by adopting the straws to replace sawdust; meanwhile, the strength of the real wood imitated wires formed through a high-temperature hard die by using the formula is greatly improved and fully accords with even exceeds the national standard so as to prolong the service life; the real wood imitated wires prepared by adopting multiple chemical reagents and chemical raw materials can prevent mildew and moisture, insulate heat and retard flame, and are quite safe to use; and the formula does not adopt toxic and harmful substances such as formaldehyde and the like so as to prevent secondary pollution to the environment.

The invention discloses a monitoring system for air quality. The monitoring system comprises a processor, a sulfur dioxide monitoring module, a carbon monoxide monitoring module, a nitrogen dioxide monitoring module, an airborne particle monitoring module, a receiving module, a display module and an early warning module, wherein the processor is in charge of setting threshold values of various air indexes, receiving information sent by other modules in the system and processing the information; and the sulfur dioxide monitoring module, the carbon monoxide monitoring module, the nitrogen dioxide monitoring module and the airborne particle monitoring module are in charge of monitoring information collection of air factors in an area, and the early warning module receives an instruction from the processor to perform early warning prompting. The monitoring system disclosed by the invention can provide data support for people to improve environment and air quality, prevent ecological damages and create clean and appropriate environments.

The invention relates to the application field of carbide slag, and in particular relates to a method for trapping carbon dioxide from smoke by renewable carbide slag. According to the invention, the method for trapping carbon dioxide from smoke by renewable carbide slag comprises the following steps: 1) calcining the carbide slag to obtain an absorbent with an effective constituent of calcium oxide; 2) adding the absorbent of step 1) to a carbonization reactor to absorb carbon dioxide from the smoke to obtain calcium carbonate and clean smoke; 3) calcining the calcium carbonate of step 2) to regenerate the absorbent; 4) eliminating the inactive constituents from the regenerated absorbent of step 3), adding new carbide slag, returning to step 2) for recycling, and repeating steps 2) to 4). The invention has the advantage of following the environment protection concept of treating wastes by wastes, so as to lower the discharge of carbon dioxide from the smoke, and has favorable application prospects.

The invention discloses a BPNN-based NDVI prediction method for the grassland area of northern China, including: a BPNN prediction model of monthly average rainfall in the future annual growth seasonis established; the monthly average rainfall-NDVI mapping model for future growing seasons is established; The monthly average rainfall forecast value of the future growing season generated by the rainfall BPNN forecast model is substituted into the rainfall-NDVI mapping model, the NDVI monthly average forecast value in the future growth season is obtained. The invention can accurately predict theaverage value of the NDVI in the growing season (June to August), thereby realizing the evaluation of the number of grazable livestock (carrying capacity) in the future years according to the predicted value of the NDVI. The method is conducive to realizing the dynamic grazing strategy based on the predictable climatic conditions, so as to avoid the occurrence of overgrazing in the disaster years.

The invention discloses a method for recovering calcium phosphate fertilizers from sludge incineration bottom ash. The method comprises the following steps: (1) drying sludge incineration bottom ash to a constant weight, and cooling for later use; (2) mixing a hydrochloric acid solution with the sludge incineration bottom ash, stirring for 5-60 minutes, and filtering to obtain a phosphorus-rich extract; (3) adding calcium hydroxide into the phosphorus-rich extract, reacting for 1-60 minutes, and evaporating and concentrating the reaction solution at 100-120 DEG C to form a crystal film on thesurface of the solution; and (4) naturally cooling and crystallizing at the room temperature, filtering, collecting upper crystals, and air-drying the crystals to obtain the phosphate fertilizer. According to the method, extraction is carried out in a low liquid-solid ratio manner; the generation of a large amount of waste liquid is avoided, due to the low liquid-solid ratio, an enriching effect is realized during the phosphate extraction process, the cost of subsequent treatment is reduced, meanwhile, hydrochloric acid is adopted for processing, no new substance is generated, the extraction is not hindered, the extraction rate is high, and the purity of the obtained phosphate fertilizer is high.

The present invention provides a system and a method for processing and reusing graywater. At least two vertical flow wetland units are provided, each of which comprising a container filled with at least one granular substrate and at least one species of a hygrophilous plant, and an outlet. At least one of the wetland units is set to an inactive state during a predetermined period of time such that influx of graywater to each of the inactive units is prevented, whereby to regenerate each inactive wetland units. At least one of the wetland units is set to an active state to allow introduced graywater to be purified. Purified graywater is discharged from the outlet of each active unit to a sink. At least a portion of the purified graywater is recirculated to each active wetland units so that a portion of the purified graywater, when desired, is discharged to a domestic site for reuse.

The invention discloses a force intertransmission type interlocking block and a preparation method thereof. The interlocking block comprises an interlocking block body and triangular prisms, wherein the interlocking block body adopts a cuboid structure or a cube structure; the bottom surfaces of the triangular prisms are in the shape of a right triangle; the plane where a first right-angle side of one prism is located is attached to the side surface of the interlocking body, and the length of the first right-angle side is equal to the height of the interlocking body; the plane where the second right-angle side is located coincides to the plane where the top surface or the bottom surface is located; 2 triangular prisms are arranged on each side surface of the interlocking block body, and the plane where a second right-angle side of one triangular prism alternatively coincides to the top surface and the bottom surface. When the force intertransmission type interlocking block is paved on the ground, pressure of an object on a single force intertransmission type interlocking block can be dispersed to adjacent other force intertransmission type interlocking blocks. Meanwhile, the stressed area of the ground by the object is increased, so that the pressure on the ground is better dispersed, and the probability of damage to the force intertransmission type interlocking block or the ground is reduced.

The invention discloses a protective structure for preventing and controlling a riverway concave bank from being eroded. The protective structure comprises an overflow weir formed through double-layerinlaying, a protective arm and dam abutments formed by inlaying large dimension stones. The relatively higher protective arm is arranged on the concave bank side prone to erosion of a riverway, and the relatively low overflow weir is arranged at the center of the riverway, so that river water is centralized in the overflow weir and a protection-free convex bank to flow through a river bend, flowing of the river water close to the concave bank is retarded, the shear stress at the concave bank is reduced, silt at the concave bank is prevented from being eroded by the river water, meanwhile water level rise before the overflow weir is quick, a scour pit is formed behind the weir, pressure gradient is formed on a river bed due to water level difference, and surface water and underground waterexchange is promoted. Compared with a traditional method, the protective structure is low in cost and long in service life, can also prevent the concave bank from being eroded, promotes surface waterand underground water exchange, thus improves the self-cleaning capacity of the riverway, relieves riverway pollution and has a wide application prospect in the fields such as channel improvement ofriverway and mountainous area drainage basins.

The invention discloses an ecology-friendly planting method for Xinhui citrus. The method comprises the following steps: strain selection, rootstock selection, planting time selection, planting density selection, nutrient source selection, soil selection, soil treatment, and fruit-loading tree management, wherein the strain selects a strain with strong disease resistance and stress resistance in large-seed oil body or fine-seed oil body varieties of the citrus reticulata cv. chachiensis family; the nutrient source uses plant-derived active ingredients, biological metabolites and natural minerals as a nutrient source; the planting density is 1200 plants or less per hectare; the soil is waterlogged paddy soil and lateritic red soil, the organic matter content of the soil is greater than 2 g / Kg, the pH value of the soil is 5-7, and an active soil layer thickness of the soil is 60 cm or more; and a soil ecological remediation agent used in the soil treatment is a camellia oil-based sucroseester soil ecological remediation agent, a camellia oil rhamnose ester soil ecological remediation agent, or a modified rhamnose ester soil ecological remediation agent. The method has the advantageof being friendly to the ecological environment.

According to the compound organic fertilizer and the preparation method thereof, the livestock and poultry manure, the straw powder and the caragana microphylla powder are selected as raw materials, the raw materials are decomposed into the fertilizer rich in micromolecular organic matter through the steps of steam explosion, compost fermentation and the like, nutrients are balanced, fertility is lasting, and growth and development of plants can be effectively promoted after the compound organic fertilizer is applied. Meanwhile, bentonite, rectorite powder, coco coir, humic acid, a water-retaining agent, chitosan and other raw materials are further added into the fertilizer, the composite organic fertilizer with the particle size of 3-5 mm is prepared through mixing granulation, agricultural waste resources are utilized, the application amount of the chemical fertilizer is reduced, ecological damage and environmental pollution caused by excessive application of the chemical fertilizer are avoided, and a good ecological cycle is formed; meanwhile, agricultural travel income increase can be achieved, and agricultural sustainable development is promoted.

The invention discloses a force intertransmission type interlocking block and a preparation method thereof. The interlocking block comprises an interlocking block body and triangular prisms, wherein the interlocking block body adopts a cuboid structure or a cube structure; the bottom surfaces of the triangular prisms are in the shape of a right triangle; the plane where a first right-angle side of one prism is located is attached to the side surface of the interlocking body, and the length of the first right-angle side is equal to the height of the interlocking body; the plane where the second right-angle side is located coincides to the plane where the top surface or the bottom surface is located; 2 triangular prisms are arranged on each side surface of the interlocking block body, and the plane where a second right-angle side of one triangular prism alternatively coincides to the top surface and the bottom surface. When the force intertransmission type interlocking block is paved on the ground, pressure of an object on a single force intertransmission type interlocking block can be dispersed to adjacent other force intertransmission type interlocking blocks. Meanwhile, the stressed area of the ground by the object is increased, so that the pressure on the ground is better dispersed, and the probability of damage to the force intertransmission type interlocking block or the ground is reduced.

The invention discloses a method for planting pineapples by using an organic formula fertilizer, and belongs to the technical field of agricultural planting. The organic formula fertilizer comprises the following raw material components by dry weight: 25-30 parts of astragalus sinicus straws, 10-20 parts of chicken manure, 10-15 parts of mushroom stick waste residues, 15-20 parts of waste plant herbal residues, 12-16 parts of soybean meal, 3-6 parts of a complex microbial inoculant, 15-20 parts of humic acid, 4-8 parts of compound amino acid and 4-8 parts of a water-retaining agent. The organic formula fertilizer is prepared according to the steps of raw material treatment, material composting fermentation, adding of residual raw materials, uniform mixing and fertilizer granulation. The organic formula fertilizer is balanced in nutrient, strong in soil fertility and strong in water retention capacity, meets the growth and development requirements of the pineapples, can effectively promote the growth of the pineapples and improve the yield and quality of the pineapples when being used for planting the pineapples, and can effectively prevent the pineapples from cracking and further improve the quality of the pineapples by using an anti-cracking regulator in the planting process.

The invention provides a garbage pool bottom plate and unloading platform frame column foundation settlement difference treatment system and method. A garbage pool, a peripheral frame and an unloading platform are subjected to first-stage construction except the part of a connecting span of the unloading platform and the garbage pool; second-stage construction is conducted on the discharging platform and the garbage pool connecting span floor slab and the discharging platform and the garbage pool connecting span frame beam, and water injection pre-sedimentation treatment is conducted when the garbage pool is constructed to the preset height; the unloading platform and garbage pool connecting cross frame beam is supported at the top of a bracket on the side of a garbage pool frame column, and a rotating gap with a preset width is reserved between the unloading platform and garbage pool connecting cross frame beam and the garbage pool frame column; the unloading platform and the garbage pool connecting cross floor slab are supported at the tops of the lifting lugs on the side of the frame beam of the side wall of the garbage pool, and a rotating seam with a preset width is reserved between the unloading platform and the garbage pool connecting cross floor slab and the frame beam of the side wall of the garbage pool; according to the method, the construction period and cost of foundation treatment are saved, only the discharging platform is connected and spans in the second stage for construction in the water injection pre-pressing stage, continuous construction can be conducted in the garbage pool and other areas of the discharging platform, and the engineering construction period is shortened.

The invention discloses a boiler oxygen-enriched combustion system for a power generation set. The boiler oxygen-enriched combustion system comprises an air pipeline, a pure oxygen pipeline and a blast furnace gas pipeline. The boiler oxygen-enriched combustion system is characterized in that the air pipeline is connected to a forced draught blower, the forced draught blower conveys air into a mixing pipeline, and the pure oxygen pipeline is connected to the mixing pipeline; the air and pure oxygen are fully mixed in the mixing pipeline to form oxygen-enriched combustion-supporting gas with the oxygen concentration being 28%, and then the oxygen-enriched combustion-supporting gas is blown into a hearth; the blast furnace gas pipeline is connected to the interior of the hearth, and blast furnace gas and the oxygen-enriched combustion-supporting gas are fully burnt after being mixed. According to the boiler oxygen-enriched combustion system for the power generation set, heat loss of fuel is reduced due to the oxygen-enriched environment in the entire combustion system, and the heating rate of the combustion system is effectively increased; the temperature of flames in a furnace is increased, the strength of the flames in the furnace is improved, and the heat transmission efficiency of the flames in the furnace is effectively improved; thermal radiation is improved, and the heat utilization rate is increased; energy saving and combustion supporting are achieved, emission of pollution gas is reduced, the environment is protected, and ecological damage is avoided.

The invention discloses a plant water treatment method of municipal wastewater at high altitude, relating to a water treatment method of municipal wastewater. According to the plant water treatment method, municipal wastewater is treated by adopting exotic invasive species, and oxygen combining capacity and oxygen requirement of herb of alligator alternanthera are enhanced by using a transgenic technology so that a municipal wastewater body with high pollution degree can be treated, the cold tolerance of the herb of alligator alternanthera can be improved, and thus the herb of alligator alternanthera can be applied to a high-altitude area so that the water treatment time in winter is prolonged, and the water treatment effect is improved. The plant water treatment method comprises the steps: 1, constructing a plant expression vector; 2, constructing a transgenetic seedling of the herb of alligator alternanthera; and 3, cultivating and breeding the transgenetic seedling of the herb of alligator alternanthera, and transplanting the transgenetic seedling of the herb of alligator alternanthera in a high-altitude polluted water body for performing wastewater treatment and remediation. The plant water treatment method is applied to the field of water environmental engineering.

The invention relates to a grape vine unshelving soil-burying-free overwintering cultivation method with top grafting of a cold-resistant stock, belongs to the technical field of grape cultivation andaims to solve a series of problems of time and labor consumption, cost increase, vine damage, poor grape quality, ecological environment damage and the like caused by grape vine soil burying in winter in soil burying cold resistance regions. A variety expected by top grafting (60-130cm) of a stock is subjected to fixed planting, so that the cold resistance of grape trunks can be improved; grafting variety vines are cultured in a next year, and mature vines of 50-60cm are retained in winter cutting; in a third year, before germination, the stock is bent to a same direction from 10cm before a grafting interface to form a single Guyot L-shaped tree shape, and after normal fruiting, shaping culture molding is implemented according to single Guyot L-shaped tree shapes or double- uyot L-shapedtree shapes in winter; and in winter, stock trunks are coated by white lime, all scion twigs and stocks of 10cm below grafting interfaces are wrapped by a cold resistant moistening material, and thusthe cold resistance of a scion variety can be improved. Grape vine unshelving soil-burying-free overwintering cultivation can be finally achieved.

The invention discloses a method for predicting rainfall in the grassland area of northern China based on TDNN. The method comprises steps: the input variables P (t-1), P (t-2), P (t-3) and output variables P (t) of the TDNN prediction model being determined; obtaining the training data and test data of TDNN prediction model; importing the training data into the TDNN prediction model, and trainingthe TDNN prediction model; the input variables of the test data being imported into the trained TDNN prediction model, the output results of the TDNN prediction model and the actual observed rainfallbeing compared, and the MAE and RMSE being calculated; comparing the training precision of MAE and RMSE of each TDNN prediction model; if MAE and RMSE are less than the expected precision, the training of TDNN prediction model being completed; otherwise, the model parameters being adjusted and retrained. The invention solves the technical problem that the prediction accuracy is not high due to the inability to accurately describe the time relationship between the inputs of the model in the conventional rainfall prediction model.

The invention discloses a BPNN-based method for predicting NDVI in grassland areas in northern China: establishing a BPNN prediction model for monthly average rainfall in future annual growing seasons; establishing a mapping model for monthly average rainfall-NDVI in future annual growing seasons; predicting rainfall using BPNN The monthly average forecasted value of rainfall in the future annual growing season produced by the model is substituted into the rainfall-NDVI mapping model to obtain the monthly average forecasted value of NDVI in the future annual growing season. The present invention can accurately predict the average value of NDVI in the growing season (June-August), thereby realizing the estimation of the livestock quantity (carrying capacity) that can be grazed in future years according to the predicted value of NDVI. grazing strategies to avoid overgrazing in disaster years.

The invention relates to the technical field of bridge engineering, in particular to a swivel construction method of an arch bridge under steep slope terrain conditions. This method makes use of terrain conditions according to local conditions, transfers the assembly of arch ribs to the ground, and performs single-rib rotation and closure, avoids aerial assembly at the design installation position, reduces high-altitude operations, reduces construction risks, and improves segmental assembly positioning accuracy and construction. Quality, the single-rib swivel can reduce the height of the assembled bracket, reduce the structural weight of the swivel construction, save construction materials, and at the same time avoid a large number of mountain excavations and ecological damage, effectively reduce construction difficulty and safety risks, shorten the construction period, and maximize It can reduce the restriction of topography on the project to a certain extent, and has good economy. It has great promotion significance in the steep slope terrain of complex mountainous areas.

The invention discloses a water collecting system of a sponge park. The water collecting system sequentially comprises an organic covering material layer, an organic soil layer, a water permeating layer and a drainage layer from top to bottom. The drainage layer comprises a plurality of water pipes, the water pipes are positioned below the water permeating layer, drainage holes are formed in the upper portions of the water pipes, the water pipes are connected with one another by connecting pipes and are gathered and communicated with a header drainage pipe, and an output end of the header drainage pipe is communicated with a water storage device. The water collecting system of the sponge park has the advantages that rainwater can be stored, permeated and purified by the water collecting system to the greatest extent, and accordingly rainwater resource utilization and ecological environmental protection can be promoted; water can be effectively stored by the water collecting system, thewater collecting system further can cover bare soil, flying dust can be suppressed by the water collecting system, accordingly, the air quality can be improved, and activity spaces can be enlarged for people; soil structures can be improved, the fertility of soil can be enhanced, heat preservation and moisture preservation effects can be realized for the soil, the watering frequencies for plantedvegetation can be obviously reduced, and the water collecting system has important significance in increasing the utilization rate of organic waste, saving energy, protecting environment and carryingout ecological management.

The invention discloses an ecological artificial channel with filtering and electricity generation functions at a downstream position of a reservoir. The ecological artificial channel comprises two rows of river retaining walls respectively arranged in the artificial channel in the river flow direction, the two rows of river retaining walls are respectively arranged close to the two sides of the channel, an inner area between the two rows of the river retaining walls is an inner channel, and an area between one river retaining wall and the corresponding side of the channel is an outer channel; the lower portion of each river retaining wall is provided with water flow holes, the water holes are internally provided with rotary turbines used for electricity generation, and closing valves are arranged at the positions of the water flow holes; one surface, close to the corresponding outer channel, of each river retaining wall, is provided with lifting inserting boards, each lifting inserting board is provided with a filter casing used for filtering mud in water, the inner channel is internally provided with a dirt interception layer, the dirt interception layer is internally provided with water flow through holes, and the upper surface of the dirt interception layer is provided with dirt accumulation areas. Compared with the prior art, the timing reservoir sluicing is utilized by the ecological artificial channel with the filtering and electricity generation functions at the downstream position of the reservoir, so that when the double-layer-design artificial channel is filled with water, the hydroelectric generation is achieved through the utilization of the water level difference by the inner and outer channels; besides, rubbish and foreign matters in a river can be filtered, the water quality is purified, and energy conservation and environment protection are achieved.