1302results about How to "Purify water" patented technology

The invention discloses a composite type artificial algal reef comprising a mature algal reef and a seedling reef. The mature algal reef comprises a solid base. The upper surface of the solid base is embedded with a metal frame, wherein the shape of the metal frame is identical to that of the upper surface of the solid base and the size of the metal frame is identical to that of the upper surface of the solid base. A conch net bag is arranged in the metal frame. The center of the upper surface is embedded with a metal stand column. A steel ring is welded to the upper end of the stand column. A plurality of seedling ropes are fixed between the metal frame and the steel ring. The seedling reef is fixed to the side face of the solid base of the mature algal reef, and algal seedlings are attached to the seedling reef. By the adoption of the composite type artificial algal reef, the attaching effect of alga is guaranteed, the repair period of an algae field is shortened, the success rate of repair and reconstruction of the algae field is improved, the adhesive rate of the seedlings is increased, and the seedling reef is firm, durable, small in size, light, and convenient to carry; the net bag made of waste conches is placed in the metal frame, and a biophile reef can be composed through diffusion and attachment of spores of fronds on the seedling ropes; resource utilization of the waste conches is achieved, and composite type artificial algal reef has the advantages of being economical and easy and convenient to use.

This invention provides a combined method for treating urban river surge with bioremediation as the major technique. The method comprises: pre-treating polluted water body of upstream urban river surge in an oxidation pool, performing biological oxidative remediation on bottom deposits in river, aerating river channel, performing bioremediation on middle reach water body, and performing ecological remediation on downstream water body. The method utilizes abandoned fishpond, vacant land or modified oxidation pool to perform pre-treatment on heavily polluted water body of urban river surge that cannot be treated by sewage interception. Then the method adopts biological oxidative remediation on bottom deposits to control internal pollution source of urban river surge, and artificial aeration, and biological-ecological remediation to effectively eliminate pollutants and odor of water body, improve water quality of urban river surge, and improve self-cleaning ability of urban river surge water body. The method is a feasible method in treating urban river surge.

The invention relates to an alga microorganism fertilizer agent and a preparation method thereof and belongs to the technical field of aquiculture and the like. The alga microorganism fertilizer agent is fermented in such a way that monosodium glutamate waste liquid, alga paste, photosynthetic bacteria, actinomycetes, azotobacters and bacillus subtilis are compounded, and meanwhile, chitosan, chitosan oligosaccharide, microelements and molasses are added according to appropriate parts. The alga microorganism fertilizer agent is formed in such a way that the monosodium glutamate waste liquid is adopted for fermentation, and the raw materials preparation is simple; high-content compound bacteria are contained (the content of the bacillus subtilis is larger than three hundred million / mL, and the total content of the photosynthetic bacteria, the actinomycetes and the azotobacters is larger than one hundred million / mL) and the fertilizing effect is obvious; and the alga microorganism fertilizer agent also has a function of purifying water body, has a wide application range, and is suitable for sea-water and fresh-water cultivation.

The invention relates to a hand-care disposable disinfection gel and a preparation method thereof. The hand-care disposable disinfection gel comprises ethanol, a bactericide, a cosolvent, a thickener, an emollient, essence and a PH regulator, wherein the essence is used as a carrier to cover pungent odor of ethanol. The hand-care disposable disinfection gel has the advantages of being bactericidal, washing-free, not sticky and greasy, and comfortable in smell, and caring hands. The preparation method comprises the following steps: the thickener swells in purified water fully to prepare a liquid A; meanwhile, the bactericide and the cosolvent are added in ethanol to be mixed uniformly to prepare a liquid B; then, the liquid B is poured into the liquid A; the emollient and the essence are poured in the liquid A, after purified water is supplemented to be sufficient, the PH regulator is added to regulate the PH value to 6.0-8.0, and the uniform mixing is performed.

The invention discloses a method for ecological restoration and water quality conservation of river water. according to the method, an aeration oxygenation system consists of a solar cell panel, a support connector, an air pump, an aeration tube and an air distribution plate and is used for maintaining the dissolved oxygen level in the water; an ecological floating bed system consists of a strong buoyancy carrier and an emergent aquatic plant and is used for removing pollutants out of water and gathering and transferring heavy metal; and a filler system is used for providing a lot of adhesion habitats for microbial flora, phytoplankton, protozoon and tiny metazoan so as to co-build and form a biological membrane which efficiently and quickly purifies the pollutants. By adopting the method, the organic matters such as COD, nitrogen, phosphorus and the like, and other pollutants in the water can be efficiently removed, the water is purified, an ecological system of the river way is improved, and the self-cleaning capacity of the water is restored.

The invention discloses a functional rainwater garden suitable for the interior of an urban community grassy area in Shanghai. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai comprises pretreatment facilities, a water storage layer, water seepage facilities and an overflow facilities, wherein the pretreatment facilities comprise a ring-shaped side slope and gravels; the ring-shaped side slope is positioned on the periphery of the functional rainwater garden; the gravels are covered on the ring-shaped side slope; the water storage layer is a space formed by the ring-shaped side slope and the bottom of the functional rainwater garden in a horizontally encircling manner; the water seepage facilities are positioned at the bottom of the functional rainwater garden; the overflow facilities comprise an overflow pipe penetrating through the thickness direction of the water storage layer and an overflow drain pipe positioned at the bottom of the functional rainwater garden. The functional rainwater garden suitable for the interior of urban community grassy area in Shanghai provided by the invention can decrease the rainfall runoff peak value, purify water quality, supplement groundwater, reduce pressure on municipal water draining, improve microclimate and lift the livable degree of Shanghai.

The invention discloses a device for ecologically culturing seashell and alga in shallow sea and a method thereof. The device comprises a seashell culture raft and an alga culture raft. The seashell culture raft comprises at least two paralleled floating ropes; buoys are arranged on the floating ropes and are connected with the floating ropes through floating ties; the two ends of each floating rope are fixed by underwater fixing mechanisms; the alga culture raft made by at least one culture curtain is arranged above each two adjacent floating ropes; the adjacent culture curtains are fixed by floating bamboo perpendicular to the floating ropes; and the two ends of the floating bamboo are connected with the floating ties. The device can be used to carry out the hanging culture of the seashell on the floating ropes and carry out the culture of the alga in the culture curtains floating above the floating ropes, thereby realizing the composite culture of the seashell and the alga. The device and the method have the advantages of reducing the culture cost, improving the culture efficiency and culture space utilization factor, and having good effects on the comprehensive use of shallow sea waters, the improvement of the water environment and the prevention and control of diseases.

The invention discloses a method for preparing a nanofiltration membrane by adopting a layer-by-layer self-assembly method, and relates to a preparation method of a nanofiltration membrane, aiming at solving the problems that a nanofiltration membrane prepared by adopting an existing method cannot have both good interception performance and high water flux. The method comprises the following steps: preparing a polyacrylonitrile solution, preparing a polyacrylonitrile basilar membrane, preparing a treated polyacrylonitrile basilar membrane, assembling a layer of polyethlenimine, assembling a layer of graphene oxide, and reassembling polyethlenimine and graphene oxide, thus obtaining the nanofiltration membrane. According to the method disclosed by the invention, a layer-by-layer self-assembly method is adopted, polyethlenimine and graphene oxide are adopted for modifying a PAN membrane, so that the hydrophilia and the pore size of the surface of the membrane are effectively adjusted; because the membrane is relatively thin, relatively large flux can be obtained, and the obtained nanofiltration membrane has good interception performance. The method can be applied to the fields of antibiotics separating, fruit juice concentrating and seawater desalting.

This invention provides a filtration system for home aquaria that uses a closed-circuit pathway having a surface that contacts a flow of water moving between a tank inlet and tank outlet. The surface allows for algal growth thereon, and for transmission of light thereonto so as to provide photosynthetic energy to the algae. The algae acts to scrub contaminants (nitrogenous compounds, for example) as part of its growth cycle, and thereby purify the water. Additional components, such as injected air and filter media can also be provided to the water circuit to enhance algal growth, oxygenate the water and remove particulates. In an illustrative embodiment, the surface is transparent or translucent and a light that transmits appropriate wavelengths (for example, full-visible spectrum) is placed in proximity to the surface.

The invention relates to a combined ecological floating bed for water planting plants and flowers, which is characterized by comprising one or more ecological floating bed units which are combined, interconnected and fixed to form the combined ecological floating bed for the water planting plants and flowers with various patterns; the ecological floating bed unit comprises a planting basket, a floating bed framework and a foam piece, wherein the planting basket is placed in a planting basket placing port of the floating bed framework; the foam piece is sleeved in a cavity of the floating bed framework; and a plurality of ecological floating bed units are connected to form a large-area water planing plant-flower garden or a fixed green ecological floating island. The ecological floating bed has the advantages of unique structure, convenient manufacture and low cost, can effectively reduce the content of phosphorus and nitrogen-like eutrophic salts polluting the water and COD and BOD, promote the water quality from VI class to III class and beautify the environment, and can be widely applied to the water surfaces of extensive polluted rivers and lakes.

A method for cleaning sewage by vertical undercurrent type artificial wet land in northern area features that a scientific microbe carrier network consisting filler layers, insulating reproduction layer, etc is disclosed for fast forming a biomembrane system for playing its cleaning role without plants in the winter, a deeply buried multi-layer water tube network can prevent freeze and cracking, and more insulating techniques are used to keep the temp of sewage to be treated to 15-20 deg.C.

The photosynthetic bacterium immobilizing process includes preparing zeolite powder of 120-200 mesh, adding sodium alginate solution of 500-1000 mpa.s viscosity and concentrated photosynthetic bacterium liquid in the weight ratio of 1:0.03 to 0.05:0.2-0.3, mixing through stirring, pelletizing, hardening in 20-40 g / L concentration CaCl2 solution, and final clear water rinsing to obtain the product. The process has great photosynthetic bacterium immobilizing amount, high immobilizing efficiency, and high activity of the immobilized photosynthetic bacterium, and the product can deposit fast to water bottom for degrading organic pollutant and purifying water without loss.

The invention provides a preparation method and application of a sea bdellovibrio bacteriovorus ecological preparation, and relates to a sea microbial ecological preparation and a preparation method of a bdellovibrio bacteriovorus preparation for mariculture. The preparation method comprises the following steps of: preparing a host bacteria suspension; separating and purifying bdellovibrio bacteriovorus; and propagating and culturing bdellovibrio bacteriovorus. The preparation method is characterized in that after pseudomonas stutzeri is connected with an incline and is activated, adding physiological saline in a test tube to prepare the bacterial suspension; then propagating and culturing with nutrient bouillon; adding a flocculating agent in the obtained bacterial suspension; standing and precipitating after uniformly shaking; adding the physiological saline to obtain 1012 cfu / mL of host bacteria suspension; separating and purifying the bdellovibrio bacteriovorus of collected sea and bottom sediment samples with a double agar plate method; pouring culture media containing the host bacteria suspension and the collected samples into sea agar in the lower layer for culture after uniformly mixing; and adding the host bacteria and the bdellovibrio bacteriovorus obtained by separation into sterilized natural sea, and culturing until the concentration of the bdellovibrio bacteriovorus is 108 to 109 pfu / mL for future use.

The invention discloses an automatic monitoring system for purifying and reusing circulating cooling water, comprising a sampling device, an online instrument device, a monitoring device and a drug-adding device. The sampling submersible pump of the sampling device and the online instrument device is directly hung in the circulating water of the pool. An outlet pipe of the submersible pump are divided into 3 paths and the 3 paths respectively enter a slime collector bypass, an online instrument monitoring bypass and a simulated heat exchanger bypass. The monitoring device comprises a control cabinet and a management computer. The drug-adding device comprises three parts, namely a drug-adding pump, a drug-adding box and an inverter. The drug-adding box is connected with the drug-adding pump; the drug-adding pump is connected with the control cabinet of the monitoring device and the management computer by the inverter. The automatic monitoring system realizes real-time monitoring of the water quality of water in the circulating cooling water system of the power plant and can automatically control the addition dosage in order to purify the water quality of the circulating cooling water to realize recycling. The automatic monitoring system has good economic benefit after popularization.

This invention relates to a micro-ecological agent and the preparation method thereof, belonging to the micro-ecological agent technological field. The preparation of the active bacteria agent of this invention comprises: using L-calcii lactas and four useful micro-organisms of clostridium bytyricum, Lactobacillus casei, bacillus subtilis and saccharomycete as characteristic elements, cultured purely or mixedly by means of universal fermentator, producing active bacteria powder by freeze-drying, and acquiring the finished products by double crossing of the powder at a specific proportion. By using the anaerobic and aerobic characteristics of related bacterial strains, this agent has the following merits: playing the synergy effect in enhancing the disease resistance of marine animals and the water purification of aquaculture, substituting antibiotics fully or partly for the disease prevention and cure in fresh water aquiculture and mariculture, and improving the economic benefits of aquaculture. The L-calcii lactase component can accelerate the husking growth and prevent the disease of soft husk of shellfish marine animals like shrimp and crab. This agent is characterized of being nontoxic, free from side effects, nonpersistent, without secondary pollution and no drug tolerance, and will have a wide commercial application in the fresh water aquiculture mariculture.

The invention discloses an ecological comprehensive treatment system of a northern mountain river channel. The system comprises three sub ecological systems of an ecological permeable dike built on the upstream of a main stream and a branch stream of a mountain river, a reservoir pond arranged at the middle and downstream area of the mountain river and a wet land communicated with the reservoir pond, and adopts an ecological treatment mode of closure-storage-preservation. The construction method comprises the steps of: a) building of the ecological permeable dike; b) setting of a triangular pyramidal wood pile stone cage; c) building of the reservoir pond; d) planting of plants of the reservoir pond; e) building of a wet land system; and f) recovery of a river bank band. The system and the construction method can effectively intercept the mountain debris flow and the river non-point source pollution, adjust the river runoff, improve the hydrologic conditions of the mountain river in non-flood season, decrease the dry season of the mountain river, and facilitate to recover the ecological system of the mountain river. Meanwhile, traditional depressions and empty ponds in the mountain river can be used in construction, so that the engineering building cost is reduced, and the self-cleaning capacity of river water is improved.

The invention discloses integrated water purifying and processing equipment. The equipment comprises an external barrel and an internal barrel, wherein a convex head is arranged at the top of the external barrel; a water outlet is formed in the center of the convex head; a conical bottom plate is arranged at the bottom of the external barrel; a mixer motor and a speed reducer are arranged in the center of the bottom of the conical bottom plate; the speed reducer is provided with a stirring shaft; the side wall of the conical bottom plate is provided with a dredge pipe; an escape pipe is arranged at the bottom of the conical bottom plate; the inner side of the external barrel is divided into a clean water zone, an inclined tube settling zone, a mud and water separating zone, a secondary cluster flocculation zone, a primary flocculation reaction zone and a mud collection zone in turn from top down; a sludge concentrating zone is arranged between the internal barrel and the external barrel; the equipment is provided with a coagulant quick coagulation device and a sludge hydraulic automatic backflow device to keep the concentration of the sludge in the reaction zone stable; the sludge concentrating zone is provided with a spiral bevel plate to efficiently concentrate the sludge; and the clean water zone is provided with a water collecting plate to realize pressure effluent. The equipment has a simple structure, compact layout and high space utilization rate, is convenient to operate, and is suitable for clarifying tap water in middle-sized and small cities and purifying industrial water by primarily removing turbidity.

The invention relates to a technique for recycling rare earth from rare earth mining wastewater by a resin adsorption method, which comprises the following steps: collecting wastewater, pretreating resin, carrying out column packing of resin, and adsorbing rare earth ions; monitoring, desorbing resin, and settling rare earth in the adsorption process; and adding ammonium bicarbonate to deposit the rare earth, wherein the mass ratio of rare earth to ammonium bicarbonate is 1:3. The technique for recycling rare earth from rare earth mining wastewater by resin adsorption method of the invention has the advantages of low production cost and simple technique, and can adsorb more than 20 Kg of rare earth everyday by using 1 ton of resin. The invention can recycle rare earth and purify water in remnant mine regions after mining rare earth.

The invention relates to an ecological cultivation method with health care fermented feed matched with a probiotic fermentation bed. The method includes the steps that first, probiotic fermentation is carried out, wherein the probiotic fermentation comprises anaerobic fermentation of anaerobes and aerobic fermentation of aerobic microorganisms; second, the probiotic fermentation bed is prepared, wherein various raw materials for preparing the material of the fermentation bed are evenly mixed so as to obtain organic bedding, bacterium solution is inoculated for fermentation, and the organic bedding contains saw dust, rice husks, bran and first compound Chinese herbal medicine; third, the fermented feed contains corn, bean pulp, vitamins, microelements, mineral substances, amino acids, other additives, second compound Chinese herbal medicine and the like, and microorganisms are added into the feed components for fermentation. The ecological cultivation method has the advantages that water can be purified, and hidden danger to health of hogs caused by a water source is blocked; the using amount of the microelements is reduced, resources are saved, emissions are reduced, and the environment is protected; no antibiotics or residue exists, and food safety and human health are guaranteed; the Chinese herbal medicines have the functions of being resistant to disease and promoting growth and can replace antibiotics.

A water purification apparatus for increasing oxygen concentration in water. The water purification apparatus includes a water pump provided in a water tank for pumping water to produce a water flow, an ejector connected to the water pump for mixing the water from the water pump with air and ejecting the water mixed with the air therethrough, an air intake pipe connected to the ejector for supplying air thereto, and a jetting outlet connected to the ejector and formed with a porous jetting nozzle having small punched openings on an end portion and outer circumference thereof and a bugle-shaped tube accommodating the porous jetting nozzle therein.

The invention relates to a method for cultivating oleaginous microalgae by using fecal sewage, which comprises the steps of pretreatment of the fecal sewage, inoculation activation and acclimated cultivation of microalgae, amplification cultivation of the microalgae, accumulation of lipid content of the microalgae, concentration of the microalgae and collection of the microalgae. According to themethod, a liquid which is discharged during the process of feces recycling treatment and conforms to the emission standard is used for cultivating the microalgae so that cultivation water and reagents are saved during the microalgae cultivation, simultaneously, the microalgae can be used without being sterilized, the production process is reduced, the cost of obtaining microalgae biodiesel is reduced, nitrogen and phosphorus in the liquid serve as nutrient materials during the microalgae cultivation, various indexes in the sewage are further reduced, and water quality of the sewage is improved. Besides, biogas produced during the process of feces recycling treatment serve as a heating fuel, carbon dioxide (CO2) separated during biogas purification serve as a carbon source for the microalgae cultivation, the microalgae cultivation and the feces recycling treatment are organically coupled, and energy conservation and emission reduction are promoted while the cost is reduced.

The invention discloses a saline-alkali soil improved microbial agent and a preparation process thereof, and belongs to the field of saline-alkali soil improvement. The saline-alkali soil improved microbial agent is prepared from the following raw materials in parts by weight: 140-180 parts of a composite microbial agent, 100-130 parts of biochar, 30-50 parts of humic acid, 5-10 parts of a trace element, 10-15 parts of a filler and 30-50 parts of superphosphate. Synergistic growth and reproduction in a saline-alkali soil environment is achieved by combining bacillus subtilis, bacillus licheniformis, bacillus laterosporus, Jingyang streptomyce and bacillus mucilaginosus in a specific ratio. The combination of the kinds of microbial agents can improve synergistic alkali-resistance, the saline-alkali soil improved microbial agent can ferment well in saline-alkali soil, the growth of plants on saline-alkali soil is supported, biochar made from crop straws can improve the soil, help the growth of the plants, increase agricultural productivity and purify water quality, and is lower in cost relative to peat, and the saline-alkali soil improved microbial agent is worthy of promoting.

The invention provides a leech fry raising method which comprises the following steps: 1) hatching: hatching leech eggs in a hatching box, wherein the hatching box comprises a foam box and hatching substrate spread in the foam box; 2) obtaining fries: when small black spots appear on the leech eggs, putting the leech eggs with small black spots onto a foam plate, floating the foam plate on pond water of the fry culturing pond, covering the leech eggs with the water absorbing cloth, immersing two edges or four edges of the water absorbing cloth into the water, causing the leech eggs to completely hatch in 15-20 days, causing the hatched leeches to automatically enter the pond water of the fry culturing pond, and taking out the foam plate and the water absorbing cloth; and 3) raising the young leeches: raising the young leaches in the fry culturing pond. The leech fry raising method disclosed by the invention has the advantages of high survival rate of young leeches, is simple to operate and is suitable for large scale production.

The invention discloses a method for ecologically culturing high-quality red testis river crabs, which fully utilizes natural conditions and resources of ponds, natural waters, rivers, reservoirs, lakes and wetlands, starts from biological, ecological and environmental mechanisms, follows the characteristics of respective econiches occupied by various organisms in biology, is based on biological characteristics of river crabs such as life habit, feeding habit, growth and development and the like, reasonably applies ecological balance breeding technology and nutrient balance technology, builds the best ecological environment of the culture of the river crabs, and meets the nutritional need of the growth and development of the river crabs to raise the high-quality 'red testis' river crabs. The ecological culture method comprises the following steps of: culture pond pretreatment, aquatic plant cultivation, shellfish transplantation, freshwater shrimp stocking, crab seedling stocking, siniperca chuatsi delivery, water quality control, bait feeding, and disease control. The method for culturing the river crabs can produce the high-quality and high-grade 'red testis' river crabs, can greatly improve the economic benefit of crab farmers, and can greatly improve the sustainable development of crab culture industry and the ecological benefit, the economic benefit and the social benefit of crab culture.

The invention relates to a method for constructing a floating wetland. A floating carrier and plants grown in the floating carrier form a floating wetland unit, and a plurality of floating wetland units are spliced on the water surface and fixed to the water bottom through ropes and foot piles, thereby forming a floating wetland; each floating carrier is a wire mesh barrel without a cover, and floating balls are threaded on the edge of the barrel top; a cattail bag is spread on the bottom surface of each barrel, the floating plants (alligator alternanthera) are grown on the cattail bag layer, and herbaceous plant seeds are sowed in the wire mesh barrel, so that the seeds are included and mixed in the alligator alternanthera, thereby forming one floating wetland unit; and the floating wetland units are cultured in a fertile still water body, and the cultured floating wetland units can be pulled to the target water area through a waterway and spliced to form the floating wetland of required area. The invention can treat the polluted water body, and beautify the landscape of the water area.

The invention discloses an alga control method for a freshwater environment based on cultivation of barracudas and mullets, relating to a water treatment method. Aiming at solving the problem that algae can not be stably and thoroughly controlled in a eutrophic fresh water body, the method comprises the following steps: at least introducing one species of estuarine / marine fishes, such as barracudas and mullets which can only be propagated in sea water, and carrying out desalination processing before cultivation to enable the barracudas and the mullets to be adapted to a freshwater living environment, wherein the mesh size in the large water body ensures whether the cultivated fishes can escape; dividing or mixing according to different ages, carrying out culture in enclosure in girds by meshes, and simultaneously cultivating and propagating silver carps, bighead carps, other local fishes and local shellfish; and propagating local common aquatic plants. Thus, the fishes can be fed on the algae in a filter-feeding mode and simultaneously swallow detritus substances, thereby achieving the purpose of thoroughly purifying the water environment. By harvesting the cultivated and propagated aquatic organisms to remove nitrogen / phosphorus nutrients in water and humus in bed material from the water body, the method disclosed by the invention greatly improves the water quality of the cultivation water body.

The invention relates to an integrally-cast cement pervious concrete ecological protection slope and a construction method thereof. In the invention, a protected slope becomes an integral rigid structure by carrying out in-site casting on a slope required to be protected with macropore pervious cement concrete; an ecological mixing basic layer is slightly spraying on the surface of a pervious cement concrete protecting layer; seeds germinate, grow and can penetrate through a pervious cement concrete protection slope structural layer; and long root-system plants are selected and used to ensure that a pervious cement concrete protection slope is connected with a clay layer of a slope surface substrate together by root systems of vegetation covers. Compared with the prior art, the ecological slope obtained by construction in the invention has the advantages of stable structure, excellent ventilating performance and permeable performance, simpleness and quickness in construction, strong capabilities of water conservation and soil reinforcement, favorable protection effect of the vegetation covers and the like.

The invention also relates to a microorganism fertilizer. The composite microorganism preparation comprises the components based on the volume ratio: 5-15% of photosynthetic bacteria, 10-20% of bacillus subtilis, 15-35% of saccharomycete, 25-45% of thermophilic bacillus and 3-15% of actinomycete. The invention also relates to the application of the microorganism fertilizer in the aspects of improving the resistance of seeds, preventing plant diseases and insect pests, purifying the water quality of rice field and increasing the rice production, and a using method thereof. The invention also relates to the application of the microorganism fertilizer in the aspect of accelerating rice stubble rotten degree, and a using method thereof.

The invention discloses a cast-in-place inverted filter plant-growing type concrete ecological slope protection system and a construction method thereof. The cast-in-place inverted filter plant-growing type concrete ecological slope protection system comprises a slope body, plant-growing type ecological concrete is arranged above the ordinary water level of the slope body, the surface of the plant-growing type ecological concrete is a plant growth layer, inverted filter ecological concrete is arranged below the ordinary water level of the slope body, and a scour prevention structure is arranged below the plant-growing type ecological concrete. The surface of the inverted filter ecological concrete is in a step shape or a wave shape, a plurality of grooves are formed in the surface of the inverted filter ecological concrete, the grooves are filled with active zeolite, and a filter screen covers the surface of each groove. According to the cast-in-place inverted filter plant-growing type concrete ecological slope protection system and the construction method of the cast-in-place inverted filter plant-growing type concrete ecological slope protection system, due to the fact that the scour prevention structure is arranged below the plant-growing type ecological concrete, the rainwash-resistant effect is achieved, and nutrition is supplied to the growth of plants; due to the fact that the surface of the inverted filter ecological concrete is in the step shape or the wave shape, impact on the a side slope of waves is effectively reduced; due to the facts that the grooves are formed in the surface of the inverted filter ecological concrete and the grooves are filled with the active zeolite, water is purified.

A three-dimensional ecological floating bed and its water-cleaning method, which is the water cleaning technology in environmental engineering; the said three-dimensional ecological floating bed comprises upper, middle and lower three layers, the upper layer is aquatic plant unit(21), the middle of the central hollow pipe in the upper layer is equipped with overflow water inlet pipe(11), the upper of the hollow pipe is equipped with air inlet pore(2), the top is equipped with drop-down map(9), the lower of the hollow pipe is equipped with water inlet pore(10), shampoo spray is installed in the upper part of the drop-down cap; the middle layer is aquatic animal unit(22), aquatic animal cage(14) is equipped in this layer, perforated board(19) and intermediate water intake loop are equipped in the lower part, sampling pipe(6) is connected with intermediate water intake loop(20); the lower layer is the artificial dielectric unit(23), the artificial dielectric(13) is suspended in the suspending support(12), a bottom support(17) and a bottom water intake loop(18) are equipped in the bottom; a floating bottle(3) is equipped in the peripheral of the ecological floating bed.