37results about How to "Beautify the ecological environment" patented technology

The invention discloses a porous adsorption medium for water treatment. The porous adsorption medium is prepared from the following raw materials in parts: 70-80 parts of silica sand casting regenerated ash, 5-15 parts of sludge, 5-15 parts of coal ash, 0-10 parts of activated carbon and 5-10 parts of straws or stem plant broken materials. The porous adsorption medium provided in the invention is hard, has the specific gravity of more than 1, is completely sunk into the bottom, is high in porosity and large in specific surface area and suitable for serving as biological stuffing (such as a filling body in a biofilter) in an environmental water treatment technology. Wastes are fully utilized, the porous adsorption medium is successfully applied to environmental protection and management, the waste is changed into a valuable material, and a great contribution is made to beautifying the ecological environment.

The invention discloses a method for repairing heavy metal pollution tailings with charcoal-based slow release fertilizer and imperata cylindrica. The method includes the following steps that according to the mass ratio, 1-5 parts of charcoal, 100 parts of polyurethane emulsion with the concentration being 40%-50%, 5-10 parts of starch and 150-300 parts of distilled water are mixed to prepare a coating solution; 40-60 parts of composite organic fertilizer particles are suspended into 10-20 parts of the prepared coating solution, and slow release coating treatment is conducted to obtain the charcoal-based slow release fertilizer; the prepared charcoal-based slow release fertilizer is mixed with the heavy metal pollution tailings; and the imperata cylindrica is planted into the tailings containing the charcoal-based slow release fertilizer. By the adoption of the method, the treating effect of the heavy metal pollution tailings is good, the method is environmentally friendly, cost is low, and pollution is small; and heavy metal pollution is reduced, and meanwhile cycling utilization of recourses and lasting effect playing of fertilizer nutrients can be achieved.

The invention relates to building of pollution-free animal houses, in particular to a method for building a pollution-free animal house by using microbial bacteria and crop waste, and belongs to the field of deep processing of crop wastes. The method makes full use of the crop waste as padding, and uses a Lvkangao ecological microbial preparation to ferment the padding to form a small environment beneficial for bacteria propagation so as to inhibit and decompose harmful bacteria comprising germs and virus. Therefore, the method improves the anti-stress capacity and immunologic function of the bred livestock and poultry, and reduces the incidence and death rate of the livestock and poultry. Simultaneously, the wastes such as saw timber, straw, rice hull and the like are fully utilized, so the method changes wastes into valuable and provides a solution path for beautifying the ecological environment of city and country and avoiding burning the straw.

The invention specifically relates to a process for improving wastewater quality of black and odorous rivers through in-situ bio-ecological comprehensive intervention, belonging to the field of eco-environmental protection technology. The process comprises the following steps: step 1, feeding a microbial product and a bio-complex enzyme; step 2, starting an aeration device and graphene mineralization equipment; and step 3, setting up an artificial floating island. According to the process for improving wastewater quality of black and odorous rivers through in-situ bio-ecological comprehensive intervention, the aeration device is installed in water to increase dissolved oxygen, and the graphene mineralization equipment is installed to activate atomic oxygen bottom mud, so an anaerobic environment of the bottom layer of a river is changed into an aerobic environment; the biological flora of the microbial product 5SSK-EP are activated to mineralize organic matters in the bottom mud into inorganic substances; then various aquatic plants are planted via the artificial floating island to absorb and transfer riverbed sediments and eutrophic substances in water, thereby achieving the effect of water quality purification; and thus, the water quality of black and odorous rivers can be efficiently improved, additional arrangement of microbial implantation is not needed, and production cost is lowered.

The invention discloses a rainwater utilization ecological pool, comprising a precipitation well, a leakage well and a water storage well. The rain water utilization ecological pool is characterized in that the precipitation well is connected with outside through a discharge pipe, the precipitation well, the water storage well and the leakage well are sequentially connected through the discharge pipe, building blocks are built in gaps among the precipitation well, the water storage well and the leakage well to surround a cavity, cobbles are arranged on the outer sides of the precipitation well, the water storage well, the leakage well and the building blocks, the upper parts of the precipitation well, the water storage well and the leakage well are provided with rectangular cover plates, a well cover is arranged on each rectangular cover plate, the bottom of the leakage well is connected with underground water through the discharge pipe, and the pipe wall at the lower part of the discharge pipe is provided with permeable holes. The rainwater utilization ecological pool disclosed by the invention has the advantages of simplicity in structure and convenience for construction, the municipal draining pressure can be effectively released, the recovery, leakage and reutilization of rainwater can be realized, and the rainwater utilization ecological pool is beneficial to cultivating an underground water source and beautifying ecological environment.

The invention discloses a suspension type water surface greening module. The module comprises artificial floating blocks which are made from floaters, mesh lines and composite borders; the composite borders are fixed through L-shaped internal embedded block bolts and L-shaped external embedded block bolts, 1-3 rows of meshes are formed in the composite borders, the mesh lines penetrate through themeshes and cross holes formed in the centers of the floaters and make the floaters fixed at junctions of threading, and plants are planted on the artificial floating blocks which are slowly put flatin water; by means of sinkers hung on the four corners of the artificial floating blocks, roots of the plants in the artificial floating blocks touch the water. The invention further provides a methodfor cultivating and planting the plants by means of the suspension type water surface greening module. The module and the method have the advantages that environmental pollution is reduced, the wateris purified and improved, and comprehensive purification of the environment is facilitated; building operability is high, plant replacing and harvesting are easy, floating bed floating is stable, thewater attaching property is high, and the module is not likely to fall under wind and waves.

The invention discloses a greening irrigation system for sponge cities. The greening irrigation system comprises a water collecting device, a priming pump device, an aeration device and a greening device, wherein the water collecting device comprises a water collecting pool, a water collector and a purification integrated machine; the priming pump device comprises water feed pumps connected with pump water discharge pipes, the pump water discharge pipes are connected with the aeration device which is connected with a water storage tank, and the water storage tank is connected with water storage tank discharge pipes which are connected with the greening device. The construction method comprises steps as follows: (1), excavating foundation pits; (b), building the water collecting pool, an aeration tank and the water storage tank; (c), pretreating a foundation where ecological greening insert blocks are to be laid; (d), laying the ecological greening insert blocks; (e), planting green plants. According to the system, urban rainwater is collected and treated by the water collecting device, the collected rainwater is purified, put into secondary use and applied to irrigation of the greening device, so that not only is the waterlogging phenomenon of the road surface prevented effectively, but also water resource waste can be reduced through rainwater collection.

The invention relates to a construction method for vegetation used for ecological restoration of rivers. The construction method mainly overcomes the problems of destroy of the ecological system of rivers, sharp decline in biodiversity, water pollution, decrease in water quality, etc. The objective of the invention is to carry out effective biodiversity restoration and water purification on riversthrough optimal cooperation between a plurality of terrestrial and aquatic vegetation. Thus, as the natural characteristics of rivers are restored, the ectone of terrestrial and aquatic vegetation can be restored, habitats can be provided for aquatic organisms, and the self-cleaning capability of rivers can be improved; so the construction method may become an important engineering measure for improving an aquatic ecosystem.

The invention discloses an ecological slope protection structure for preventing and controlling expansive soil slope sloughing and a construction method. The ecological slope protection structure comprises an anti-slip anti-seepage zone, a waterproof geomembrane, vetiver grass, slope protection turf and a drainage ditch; the anti-slip anti-seepage zone is arranged in a slope body of a slope, is formed by drilling and grouting cement mortar at the position of stagnant water in a slope or a potential slip surface, and is of a continuous concave curved surface structure; the waterproof geomembrane covers a slope surface, a slope top and a slope toe, and the waterproof geomembrane is provided with holes, the vetiver grass is planted in the hole positions, the upper surface of the waterproof geomembrane is covered with soil, and the slope protection turf is planted in the soil; and the drainage ditch is arranged at the slope toe of the slope. Through the anti-slip anti-seepage zone formed by drilling and grouting the cement mortar, the degradable waterproof geomembrane covered by the slope surface and the vetiver grass planted in the slope body constitute a closed ecological water circulation system; and by using the vetiver grass stem and leaf transpiration and the developed root system water retention function, the water content of the slope is controlled within a certain range, and the effect of controlling slope sloughing of expansive soil of an expressway is achieved.

The invention discloses a vertical revetment three-dimensional greening system, which comprises a retaining wall, an outer waterproof layer is arranged on the side of the retaining wall, a fixed keelsteel wire rope anchor cable is embedded in the outer waterproof layer, the outer side of the outer waterproof layer is fixed with a keel through an embedded fixed keel steel wire rope anchor cable, and a long-strip planting groove is arranged on the outer side of the outer waterproof layer; the strip-shaped planting groove is connected with the keel through a hook; a spraying system is arranged above the retaining wall. And the invention also discloses a manufacturing method of the vertical revetment three-dimensional greening system. In the method, the installation of the keel in the vertical revetment planting wall is convenient, the fixed strip planting groove is fixedly provided with fixed strip planting groove hooks, the front and rear space is large, and the plant is easy to survive; the plant does not need manual irrigation, which saves water source, and is economical and practical.

A method for grafting the twigs or leaf buds to a single stock to culture the tree of pomegranate with different colors features that the twigs or leaf buds of different varieties of pomegranate with different colors are grafted to two or more branches of a single stock.

The invention discloses a living stump-living plant reinforced soil slope supporting structure. The living stump-living plant reinforced soil slope supporting structure involves living stumps, livingplants, timber piles, reinforced bamboo chips and turves, wherein the live stumps and the timber piles are arranged at the position of a slope leg wire of a side slope, the timber piles are arranged between the adjacent living stumps, the living plants and the reinforced bamboo chips are horizontally laid in a layered mode in the soil slope filling process, the reinforced bamboo chips are arrangedbetween the adjacent living plants, and the turves are laid on the surface of the side slope. According to the slope supporting structure, the replacement of the anchoring effect of a horizontal living plant root system of a slope body and the reinforced effect of the bamboo chip (or straws) are ingeniously achieved, meanwhile, the replacement of the anti-sliding effect of a slope leg wire livingstumps and the anti-slide effect of the timber piles are achieved, traditional building materials such as concrete and reinforcing steel bars are not used in the whole life cycle of the slope, and the slope supporting structure is completely ecological. According to the living stump-living plant reinforced soil slope supporting structure and the construction method thereof, the structure is easyto construct, low in cost, easy to popularize, low in cost, capable of beautifying the environment, ecological, environmentally friendly, high in adaptability and easy to popularize.

The invention discloses an environment-friendly porous ceramic tile and a preparation method thereof, belonging to the technical fields of waste treatment and building materials. The porous ceramic tile is prepared from the following raw materials in parts by mass: 35-45 parts of lake sludge, 30-40 parts of clamshells and 15-30 parts of fallen plant leaves. The preparation method comprises the following specific steps: mixing the lake sludge and the fallen plant leaves according to a certain ratio and carrying out uniform stirring to obtain a sludge mixture; crushing the clamshells, carrying out ball milling to obtain powder, weighing the clamshell powder according to a certain ratio, adding the clamshell powder into sludge slurry, and carrying out uniform stirring to obtain mixed slurry;carrying out sealed aging at room temperature for 12 hours, putting the aged mixed slurry into a brick making mold, and carrying out compression molding to obtain a green brick blank; putting the green brick blank into a kiln, carrying out preheating for a period of time, and conducting sintering according to a certain temperature schedule; and then performing air-cooling to room temperature alongwith the furnace so as to obtain the porous ceramic tile with an apparent density of 0.52-0.64 g / cm<3>, a porosity of 66.0-78.4% and compressive strength of 7.8-10.5 MPa. According to the invention,recycling of waste such as the lake sludge, the clamshells and the fallen plant leaves is achieved, environmental pollution is reduced, and the production cost of building materials is reduced.

The invention discloses a method for preparing an insulating brick by utilizing sludge in lakes in central plains of China and belongs to the technical field of waste treatment and building materials.The insulating brick is prepared from the following raw materials in parts by mass: 45-55 parts of lake sludge; 10-15 parts of clamshell; 20-35 parts of coal cinder; and 5-15 parts of plant fallen leaves. The specific preparation method comprises the following steps of: mixing lake sludge and plant fallen leaves according to a certain ratio; the uniformly stirring the lake sludge and the plant fallen leaves to obtain sludge slurry; crushing clamshells and coal cinder; carrying out ball milling to obtain powder; weighing the clamshell powder and coal cinder powder according to a certain ratio;adding the sludge slurry; performing uniform stirring to obtain mixed slurry; carrying out sealed aging at room temperature for 24 hours; and carrying out compression molding on the slurry in a brickmaking mold to obtain a green brick blank; and putting the green brick blank into a kiln, after preheating the green brick blank for a period of time, sintering the preheated green brick blank according to a certain temperature system; and carrying out air cooling on the sintered green brick blank to room temperature along with the kiln to obtain the insulating brick. The porosity of the insulating brick is 18.0-27.3%; the compressive strength of the insulating brick is 21.0-27.5 MPa; the heat conductivity coefficient of the insulating brick is 0.38-0.51 W / (m.K); the reuse of wastes such as sludge, clamshells, coal cinder and plant fallen leaves in the lakes in the central plains of China is realized, environmental pollution is reduced, and the production cost of building materials is reduced.

The invention provides a mountainous area waste residential land reclamation method. The method comprises the following steps: (1) smashing adobe waste residential land, and refilling into original waste residential land; (2) flattening a backfilled place; (3) building auxiliary facilities, namely, forming grooves, ditches and roads in a reclamation area in order to ensure a good ploughing condition; (4) performing chemical analysis on soil organic matters sampled from the land treated in the step (3); (5) when the organic matter content is analyzed to be less than or equal to 10g / kg, adding lime into the land to adjust the pH of soil, and planning alfalfa; when the organic matter content of soil is greater than or equal to 30g / kg, applying an organic fertilizer to the land. By adopting the method, the waste adobe residential land in mountainous areas can be effectively reclaimed into farmland, the land utilization ratio is increased, intensive economical utilization of rural land is realized, the ploughing area is increased, and the village landscape is improved.

Low-surface-energy paint with hydrophobic self-cleaning function comprises the raw materials in parts by weight: 20-25 parts of hydroxy acrylic resin, 5-6.5 parts of ultrafine talcum powder, 7-8.2 parts of ultrafine precipitated barium sulfate, 9-15 parts of organosilicon modifed polyacrylate, 2.8-4.2 parts of teflon, 7.8-8.3 parts of a mixed solvent, 9-15 parts of wax slurry, 3.8-4.2 parts of hydrophobic type nanometer silicon dioxide, and 18.5-20.5 parts of a pigment. The advantages comprise that the functional low-surface-energy paint is capable of retaining the color of a product, improving the service life of the product, and realizing the effects of saving energy, protecting environment and beautifying ecological environment.

The invention discloses environment-friendly ceramsite and a preparation method thereof, belonging to the technical field of waste treatment and building materials. The environment-friendly ceramsiteis prepared from the following raw materials in parts by mass: 35-60 parts of lake sludge, 25-45 parts of cow dung and 10-25 parts of hearth ash. The preparation method comprises the specific following steps: mixing the lake sludge and the cow dung according to a certain ratio and carrying out uniform stirring to obtain sludge slurry; then according to a certain proportion, weighing the hearth ash, adding the hearth ash into the sludge slurry, and carrying out uniform stirring so as to obtain mixed slurry; then subjecting the mixed slurry to hermetic aging for 24 hours under the condition of aroom temperature; pouring the aged mixed slurry into a granulator to prepare raw material particles; putting the prepared raw material particles into a rotary kiln, carrying out preheating for a period of time, and conducting sintering according to a certain temperature schedule; and performing air cooling to room temperature so as to obtain the environment-friendly ceramsite with a particle sizeof 20-38 mm, a density grade of 400-600, stacking density of 296-523 kg / m<3>, cylinder compressive strength of 2.2-3.5 MPa, a one-hour water absorption rate of 7.8-10.0% and a heat conductivity coefficient of 0.35-0.54 W / (m.K). According to the invention, the recycling of wastes such as the lake sludge, the cow dung and the hearth ash is realized, environmental pollution is reduced, and the production cost of building materials is reduced.

The invention relates to an unpowered underflow ecological sewage interception ditch system. The system comprises a ditch main body, and a filling bottom material supporting layer, a double-medium biological matrix layer and an ecological planting layer which are laid in the ditch main body, and submerged plants and emergent aquatic plants are planted on the ecological planting layer. The construction method comprises the following steps: constructing the ditch main body with an inverted trapezoidal structure; laying an impermeable layer on the bottom of the ditch main body and the side slope; paving concrete and mortar pebbles to obtain a filling backing material supporting layer; mixing natural zeolite, porous ecological bricks, a curing agent, phosphate and a microbial mixed powdery fungicide, and paving the mixture on the filling backing material supporting layer to obtain a double-medium biological matrix layer; laying an ecological planting layer on the double-medium biological matrix layer; planting emergent aquatic plants and submerged plants on the ecological planting layer. An appropriate biological inhabiting environment is established, and a good micro-ecological succession structure of pollutants, microorganisms, planktons and submerged / emergent aquatic plants is formed, so that the control on non-point source pollutants such as nitrogen and phosphorus in the rural planting industry is enhanced.

The invention relates to a stable vegetation ecological establishing method for a hill type reservoir entry estuarine wetland. The method includes the steps of reservoir hydrological rhythm surveying, reservoir entry estuarine wetland zoning, reservoir entry estuarine habitat zoning surveying, determination of suitable plant species according to the survey result, and guaranteeing of localization and diversification of reservoir entry estuarine wetland plants; vegetational communities are established according to the result and the selected plant species. Herbaceous plants which can quickly revive after water subsiding and are resistant to flood are planted in a low zone. Shrubs and herbaceous plants which are resistant to flood and resistant to drought in a short period of time are planted in a middle zone. Arbors, shrubs and herbaceous plants which are resistant to flood and drought for a short period of time are planted in a high zone. Hygrophyte is planted in a riverway shoreland zone. Arbors, shrubs and herbaceous plants which are resistant to moisture and drought are planted in a zone within the elevation range of 2m above the common storage water level. The establishing method is simple, feasible and easy and convenient to operate, optimal disposition of the plants in different elevation zones of the reservoir entry estuarine wetland can be achieved, stable vegetation ecology can be quickly restored in an omni-bearing mode, and the high purification effect is achieved on pollutants of upland water.

The invention discloses a method for pulping and papermaking by utilizing sweet sorghum stalk vinasse. The method comprises the following four steps: step 1, carrying out alcohol fermentation and distillation, namely crushing 16 tons of sweet sorghum stalks with a water content of 70% through a pulverizer, adding cultured yeast seed liquid according to a proportion of 15% (v / m), and carrying out alcohol fermentation and distillation to obtain 1 ton of ethyl alcohol with a mass fraction of 95% and 16 tons of hot vinasse with a water content of 80% and a temperature of 94 DEG C; step 2, directlyfeeding the hot vinasse into a millstone mill pulping machine for fiber separation and brooming with a disc milling interval being 0.002 m and a pulping concentration being 20% (w / w) so as to obtain14 tons of pulp with a water content of 85%; step 3, weighing 2.1 tons of waste paper pulp boards, defibering the waste paper pulp boards by using a defibering device, and then feeding the defiberingwaste paper pulp boards into a Valley beater for beating to a beating degree of 36 oSR so as to obtain 10.5 tons of pulp with a water content of 80%; and step 4, blending the vinasse fiber paper pulpobtained in the step 2 and the waste paper pulp obtained in the step 3 according to a ratio of 1: 1, and carrying out papermaking to obtain 4.2 tons of raw paper. The method is used for pulping and papermaking by utilizing the sweet sorghum stalk vinasse.

The invention discloses a light cotton fiber decorative panel and a preparation method thereof. A core of the novel light cotton fiber decorative panel consists of cotton fiber or waste cotton fiber and is high in strength; the surface adopts various materials and decorative layers with various colours. The preparation method of the light cotton fiber decorative panel is simple in process and convenient to operate; the light cotton fiber decorative panel prepared by the method is beautiful, high in strength, excellent in performance and widely applicable to various furniture and decorative lateral plates. Through the method, reutilization of the waste cotton fiber can be improved; the economic benefit can be improved; the consumption of wood plate can be reduced; the forest environment can be protected; the environment can be beautified.

The invention discloses a composite improved matrix for restoring vegetations in a dry-discharged coal ash storage yard. The matrix comprises the following raw materials by weight parts: 30-60 parts of residual sludge, 10-60 parts of ardealite, 10-30 parts of saw dust or grass meal and 0.5-5 parts of pyrite powder or 0.1-1 part of sulfur. The matrix is prepared by uniformly mixing the raw materials and is suitable for restoring the vegetations in the dry-discharged coal ash storage yard; after the matrix is used to improve surface layer mediums of the dry-discharged coal ash storage yard, the saline-alkali stress in dry-discharged coal ash can be effectively removed, the nutrients of the mediums of the storage yard can be balanced, the vegetations can be quickly constructed and restored, the problems of raised dust, sediment erosion loss and harmful heavy metal release can be remarkably controlled, and the ecological environment of the storage yard can be beautified.

The invention discloses a construction method for ecological restoration of riparian vegetation of mountain rivers. The method includes the following steps: (1), for restoration of aquatic vegetation, dispersedly planting potamogetonaceae and hydrocharitaceae submerged plants high in washing-out resistance in a project region; (2) for restoration of riverway rock and boulder vegetation, planting wetland plants strong in washing-out resistance in rock and boulder regions and the like in a riverway in the project region; (3) for restoration of waterfront plants, planting emerging plants and aquatic plants with washing-out resistance and deep roots between the riparian normal water level and the two-year flood level in the projection region; (4) for restoration of riparian vegetation, planting waterlogging-tolerance trees and shrubs of juglandaceae, betulaceae and the like between the two-year flood level and the 20-year flood level in the project region, and planting gramineae and cyperaceae herbaceous plants with deep roots in ground covers. By the method, the ecological problems about riparian water and soil erosion, weak river's self-purification capacity, sharp decline in biodiversity and the like are solved effectively, feasible and effective ecological remediation measures are provided for natural restoration and reconstruction of river banks and riverways.

The invention discloses a water eutrophication control system and method based on remote control. The control system comprises a remote control center, a nutrition detection unit for detecting parameters of a water body of the constructed wetland, an image acquisition unit for acquiring image data of a water body collection area on a water inlet side of the constructed wetland and a water body ecological landscape area on a water outlet side of the constructed wetland, a water body treatment area arranged between one side of an outlet of the water body collection area and one side of an inlet of the water body ecological landscape area, and a nutrition control unit used for controlling the water body collection area, the water body treatment area and the water body ecological landscape area to operate, wherein the water body collection area is communicated with the water body ecological landscape area through the water body treatment area. By monitoring the quality condition of the water body in real time and accurately eliminating the eutrophication problem of the water body, residual nitrogen, phosphorus and organic pollutants in the water body can be rapidly purified and discharged into rivers and lakes, the labor cost and the economic cost are greatly reduced, and large-scale application and popularization are facilitated.

The invention discloses a method for making pulp and paper by using distiller's grains from sweet sorghum stalks. This method includes four steps. The first step is ethanol fermentation and distillation: take 16 tons of sweet sorghum stalks with a water content of 70%, grind them through a grinder, add the cultured yeast seed liquid at a ratio of 15% (v / m), and carry out Ethanol fermentation and distillation to obtain 1 ton of ethanol with a mass fraction of 95% and 16 tons of hot distiller's grains with a water content of 80% at a temperature of 94°C; in the second step, the hot distiller's grains are directly sent to a disc refiner for fiber separation and broom 14 tons of slurry with a water content of 85% are obtained, the disc grinding distance is 0.002m, and the refining concentration is 20% (w / w). In the third step, 2.1 tons of waste paper pulp boards are decomposed by a fiber decomposer and then sent to the Valley beater Beat the pulp to 36oSR to obtain 10.5 tons of slurry with a water content of 80%. In the fourth step, the distiller's grain fiber pulp obtained in the second step and the waste paper pulp obtained in the third step are mixed in a ratio of 1:1 to make paper to obtain 4.2 tons of base paper. The invention is used for the pulping and papermaking of distiller's grains from sweet sorghum stalks.

The invention mainly discloses a microorganism utilizing park water purifying device and a purifying method thereof. The technical scheme is as follows: the microorganism utilizing park water purifying device comprises a bed body, a treatment bin positioned below the bed body and a solar energy supply device positioned above the bed body, wherein the solar energy supply device comprises a protection cover, a photovoltaic panel and a containing bin; a filter area, an aerobic area and an anaerobic area are sequentially arranged in the treatment bin from left to right; a precipitation area is arranged below the filter area, the aerobic area and the anaerobic area; and a power device is arranged on the outer side of the treatment bin and connected with the solar energy supply device. The water purifying device is put on the water surface, and aquatic plants are grown on the bed body; and the sewage enters the aerobic area from the filter area and then goes into the anaerobic area and is finally discharged through a water-out pipe. In the invention, original ecological environment is not damaged, the solar energy supply device supplies energy, and thus the operation cost is low; the water quality is treated by the treatment bin, the treatment efficiency is high, and the effect is good; and the power device drives the water purifying device to move freely, the treatment area is wide, and the popularization and application are facilitated.

The invention discloses a landscape lake bottom waterscape system. The system comprises a landscape lake, a plant root system fixing net, a double-layer geotechnical non-woven fabric, an aquatic plantplanting nutrient medium, underwater landscape pebbles and a microorganism attachment material, wherein the double-layer geotechnical non-woven fabric is laid on the landscape lake bottom layer; an aquatic plant nutrient medium is laid and planted on the double-layer geotechnical non-woven fabric, a plant root system fixing net is arranged on the aquatic plant nutrient medium, a fountain is further arranged at the bottom of the landscape lake, the fountain generates induced flow, up-and-down convection of gushing spray eliminates temperature difference, and the water surface of the landscapelake is located at the position 100-150 mm below the natural ground. The invention further discloses a construction method of the landscape lake bottom waterscape system. According to the invention, the problem of artificial lake eutrophication easily caused by external pollution afflux is solved; the content of pollutants such as nitrogen, phosphorus and heavy metal in the water body is reduced,nutrient elements absorbed by the bottom layer can be absorbed by plants during growth, the self-purification capacity of the water body is well achieved, the maximization of the ecological purification capacity is achieved, and the water quality effect of the water body is guaranteed in an all-around mode.

The invention discloses a porous adsorption medium for water treatment. The porous adsorption medium is prepared from the following raw materials in parts: 70-80 parts of silica sand casting regenerated ash, 5-15 parts of sludge, 5-15 parts of coal ash, 0-10 parts of activated carbon and 5-10 parts of straws or stem plant broken materials. The porous adsorption medium provided in the invention is hard, has the specific gravity of more than 1, is completely sunk into the bottom, is high in porosity and large in specific surface area and suitable for serving as biological stuffing (such as a filling body in a biofilter) in an environmental water treatment technology. Wastes are fully utilized, the porous adsorption medium is successfully applied to environmental protection and management, the waste is changed into a valuable material, and a great contribution is made to beautifying the ecological environment.