33results about How to "Purify pollution" patented technology

The invention discloses special EM (Effective Microorganisms) bacteria powder for aquaculture, as well as a preparation method and application of the special EM (Effective Microorganisms) bacteria powder. Bran, corn flour, amino acid powder and the like, which are used as dry matter fillers, are mixed with brown sugar, glucose and the like to obtain a mixture; the mixture is subjected to sealing fermentation at 25-37 DEG C for about 10 days by lactic acid bacteria, bacillus licheniformis and bacillus coagulans, so that fermented materials are prepared; then the prepared fermented materials are dried and crushed and are mixed with bacillus subtilis to obtain a final product. The EM bacteria powder can be directly scattered in a water body to inhibit pathogenic microorganisms through mass propagation of probiotics, decompose harmful substances in the water body, promote the growth of normal floras and beneficial algae in a cultivation ecosystem and keep the ecological balance of the aquaculture water body. The method is adopted to prepare the EM bacteria powder, the fermentation period is short, the process is simple, the equipment investment is low, the materials are convenient to obtain, and the method is easy to implement and is suitable for industrial production and self-production of households.

The invention relates to an ecological remediation method for a slope of a broken mountain. Ecological remediation can be conducted on a steep cliff wall slope of which the slope surface is smooth andlevel by constructing a slope remediation structure composed of a large-pore vegetation concrete layer, a substrate material layer and a small-pore vegetation concrete layer. The surface roughness ofthe slope sprayed with the large-pore vegetation concrete layer is significantly increased, a substrate material which is subsequently sprayed can not be prone to sliding down, small-pore vegetationconcrete is sprayed to the outer layer of the substrate material, therefore, through the double-layer vegetation concrete structure, it can be better guaranteed that the substrate material is attachedto the slope, and sliding and rain water scouring are avoided. In addition, the large-pore structure of the large-pore vegetation concrete layer is more beneficial for growth of a plant root system,the small-pore vegetation concrete layer can purify non-point source pollution, rotten ecological desilting sludge is added into the substrate material, and the vegetation degradation problem caused by insufficient fertility is solved.

The invention relates to a soil remediation method. The remediation method comprises the following steps: performing soil ploughing irrigation: ploughing soil to be remediated, performing irrigation soaking, and performing ridging on the periphery; performing water diversion soil preparation: performing water diversion soil preparation and maintaining the water surface depth not less than 3 cm; and performing anoxic or anaerobic remediation: after a certain amount of iron salt and/or ferrous salt, bacterial carrier powder and a mixed strain solution are uniformly applied, keeping a water amount of the soil to be remediated sufficient, and sealing and covering the water surface by a covering. According to the method provided by the invention, an environment conducive to growth of anaerobicbacteria and facultative bacteria is created, mobility and bioavailability of heavy metals are reduced while the form of the heavy metals in the soil to be remediated is changed and the toxicity of the heavy metals is reduced, and therefore soil contaminated by the heavy metals is purified.

An immersion net type ecological slope protection structure for mine restoration comprises a rubble slope layer, the surface of the rubble slope layer is provided with strip-shaped grooves, and firstdrilled holes are formed in the strip-shaped grooves; main anchor rods are inserted into the first drilled holes; the surface of the rubble slope layer is further provided with second drilled holes, and auxiliary anchor rods are inserted into the second drilled holes; the ends, away from the second drilled holes and the first drilled holes, of the auxiliary anchor rods and the main anchor rods areprovided with an iron gauze, and the iron gauze is connected with the auxiliary anchor rods and the main anchor rods in a matched mode; and the position between the iron gauze and the rubble slope layer as well as the top surface of the iron gauze are covered with a base stock layer, and the surface of the base stock layer is provided with a planting layer. According to the immersion net type ecological slope protection structure, overall integrated planning is performed systematically and comprehensively based on the restoration ecology theory, the slope is subjected to processing and reinforcing, the whole stability of the slope is improved, meanwhile, the base stock layer is arranged, the surface of the base stock layer is planted with green plants, thus, the mine landscape is effectively perfected, and the ecological environment is built.

The invention discloses a method for purifying a water body with heavy-metal pollution. The method comprises the following steps of: (1) putting scenedesmus quaclricauda in culture solution, placing a film-hanging carrier in the culture solutin, culturing under the conditions that the temperature is 20-25 DEG C and the light and dark ratio is 12h:12h, and forming a biological film of the scenedesmus quaclricauda which covers the film-hanging carrier basically and completely; and (2) contacting wastewater containing heavy metals and the biological film of the scenedesmus quaclricauda and fully reacting. The invention also discloses a device for purifying the water body with heavy-metal pollution. The device comprises a shell, scenedesmus quaclricauda columns positioned in the shell, and oxygen supplying equipment for supplying oxygen to the scenedesmus quaclricauda columns. The method and the device disclosed by the invention have the advantages that the biological film is obtained by the scenedesmus quaclricauda with easily-obtained algae seeds, the biological film of the scenedesmus quaclricauda is utilized for carrying out adsorption treatment on the wastewater containing the heavy metals, the specific surface area of the biological film is large, the absorption rate to the heavy metals is high, and the water body with heavy-metal pollution can be effectively purified.

The invention provides a small-watershed water body non-point source pollution recovery and control system and a construction method thereof. The small-watershed water body non-point source pollutionrecovery and control system comprises a water retaining dam for intercepting divided river water, a silt sedimentation pond for settling silt in the river water, a planting and breeding pond for purifying the water and obtaining economic benefits, and a constructed wetland. The water retaining dam is used for intercepting the divided water flow, the silt sedimentation pond, the planting and breeding pond and the constructed wetland are arranged in the water flow direction in sequence, aquatic plants are planted in the planting and breeding pond, and/or aquatic animals are bred in the plantingand breeding pond. According to the rural small-watershed water body non-point source pollution recovery and control system, through overall planning, a planting structure is adjusted; through physical, chemical and biological treatment, the hazards of pollutants to the environment are removed, nutrient substance in the pollutants is fully utilized, economic benefits are obtained, and an all-win effect is achieved.

The invention discloses an air environment purification system for a subway tunnel. The system comprises a relatively closed unit, a polluted air purification unit, a metal pollutant recovery unit and an electric control unit. A running method of the air environment purification system comprises the steps that the relatively closed air environment purification system is arranged in a subway tunnel and along the inner wall of the tunnel; by utilizing an air curtain, an air collection box, an air purification device, an ion purification device, an air exhausting and dust cleaning device, a vacuum dust suction device, a large-wave adsorption purification device, a super-rough surface adsorption purification device, an electromagnetic collection device and other devices of the purification system, polluted air near the interior of the tunnel is purified, and the inner air environment of the whole tunnel is purified by several-time running of a train runs several times, wherein the polluted air is brought by piston wind formed when the train moves in the tunnel. According to the air environment purification system for the subway tunnel, an integrated purification mode of coping with all motions by remaining motionless is adopted, the running process of the train is the process of purifying air in the subway tunnel, and the defects are overcome that movable subway tunnel cleaning equipment and distributed installation equipment are high in energy consumption, high in late-period management cost and the like.

The invention relates to a wave-eliminating bank protecting method of a water purification type riverway. The bank protecting method includes the following steps that the specification of bank protecting modules is determined, the bank protecting modules are prepared and installed, and bank protection ecology is built. Due to the fact that the wave-eliminating bank protecting modules are arranged nearby a water bank of the riverway and are used for retarding a water flow and decreasing the speed of the water flow, a new water flow boundary condition is created, and therefore the effects of controlling and guiding the water flow and protecting the bank are achieved. Meanwhile, a static water micro environment is formed between the wave-eliminating modules and the bank, aquatic plants can be planted, aquatic animals can inhabit in the static water micro environment, and therefore an aquatic animal and plant ecological system is formed, and pollution of bank slope point and face pollution sources on the water quality is relieved. According to the bank protecting method, high-specific-area stones such as zeolite, ceramsite and vermiculite are adopted, stability and water absorption capacity of gravel are achieved, and the effects of purifying water and improving the water quality are achieved by absorbing pollutant substances, such as heavy metal ions, N and P, in water.

The invention relates to a bank protection method for wave dissipation of a riverway. The bank protection method comprises the following steps that the specifications of bank protection modules are determined, the bank protection modules are prepared, the bank protection modules are mounted, and bank protection ecology is constructed. The wave dissipation bank protection modules are arranged nearby a water bank of the riverway, new water flow boundary conditions are created by means of detention and speed reduction of the modules on water flow, and therefore the functions of controlling and guiding the water flow and protecting a river embankment are achieved. Meanwhile, a still water microenvironment is formed among the wave dissipation modules and the river embankment, aquatic plants can be planted, aquatic animals can perch, and therefore an aquatic animal and plant ecological system is formed, and pollution of point pollution sources and non-point pollution sources of a bank slope to water quality is reduced through purification. The problem that bank protection of a natural bank slope is limited by the water flow environment and the like during application is solved, meanwhile, a good water area environment is formed, and the bank protection type can be applied within a wider range.

A drought-resistant sugarcane smash-ridging cultivation planting method includes steps: (1), preparing soil of a parcel according to a cultivation mode of alternating narrow-row smash-ridging soil loosening and wide-row zero tillage, wherein narrow row width is 0.8-1m, smash-ridging soil loosening depth 50-60cm, and wide row width is 1.5-2.0m; (2), planting two ridges of sugarcane in narrow rows according to a polygerm section or a single-row single-germ section, and enabling a distance of each meter of each ridge to have 8-10 sugarcane germs; applying base fertilizer before soil preparation or seeding; re-covering broken soil after seeding for 3-5cm in thickness, and covering with mulching films according to needs; (3), inter-tilling, earthing up and fertilizing according to conventionalagronomic requirements, eradicating and turn-burying weed in wide rows or using a weeder to weed during intertillage; (4), harvesting according to conventional technical means or mechanically harvesting, and timely spraying pesticide for prevention and control according to disease and pest information. The method adopts the mode of alternating narrow-row smash-ridging U-shaped soil loosening and wide-row zero tillage, disturbance to the cultivated land soil surface is reduced, a planting and resting cultivation area is created, and the sugarcane is more drought-resistant.

The invention discloses an automatic control valve for a pit. The automatic control valve comprises a column tube and a combined taper tube, the combined taper tube comprises a left taper piece and a right taper piece which are symmetric, connecting rods are fixed to two sides of the upper ends of the left taper piece and the right taper piece, and the upper ends of the connecting rods are hinged onto the outer side wall of the column tube through pins. The automatic control valve is suitable for transforming an existing pit opening in a dedicated manner, mosquitoes are prevented from entering and exiting the pit and breeding, dirty air and odor are blocked, a drainage function is unaffected, and fine social effects for protecting fitness of people, purifying urban air pollution and keeping environmental hygiene are achieved. The automatic control valve for the pit is simple in structure, durable in use and low in cost, can be directly used based on original facilities, and is convenient to mount and remarkable in inlet water automatic-opening and water exhaust automatic-closing effect.

The invention discloses an ecological bank protection module and system with an initial rain purifying function. The ecological bank protection module comprises an upper plant planting pool, a purifying pool arranged below the upper plant planting pool and a lower plant planting pol arranged on one side of the bottom of the purifying pool. The ecological bank protection system is formed by connecting the multiple ecological bank protection modules in series. The ecological bank protection module and system are simple in structure and convenient to assemble, demount, operation and maintenance management is convenient, the ecological bank protection module and system are applied to village and town regions incomplete in rainwater pipe network building, initial rainwater pollution can be effectively purified, and the bank protection function is achieved; and power is not needed, and a chemical agent does not need to be added.

The invention discloses an intelligent firework production, sale, transportation, and storage industrial chain monitoring system and method based on a digital technology. The system is characterized by comprising an industrial chain monitoring system cloud platform data center 1, intelligent fireworks 2, a market department customer service data center 3, a storage center 4, a digital positioningcontrol intelligent device 5, a customer data center 6 and a celebration/self-service setting-off system 7. The cloud platform data center comprises a digital computer 101, a mobile terminal 102, a database 103 and a sensor 104. The digital computer comprises an integrated chip 1011, the intelligent fireworks comprise software hardware structures such as a mother chip M201, a child chip Z202 and achild chip ZZ203, and the monitoring system is connected with the 5G network mobile intelligent terminal. A safe, convenient and fast way selection is provided for setting off of celebration major, setting off of individual self-service combination and setting off of family micro-firework performance, and the intelligent firework setting off system is the beginning of the intelligent firework erain the firework industry.

The invention discloses a sewage discharging and purifying system for a garbage temporary storage area of a garbage transfer station and a method thereof, and the system comprises a flushing device which is used for flushing leachate generated after the garbage temporary storage area is cleared and transported; a water collecting pit arranged under the ground of the garbage transfer station and is communicated with a drainage tank arranged on the ground; a sewage treatment subsystem comprises a collection and regulation tank, a floating oil filter, an iron-carbon electrolysis device, an intermediate tank, a security filter, an activated carbon filter and sewage disinfection equipment which are communicated in sequence; wherein the collecting and regulating tank is communicated with the water collecting pit through a water feeding pipeline and a lifting pump; the intermediate tank is provided with a coagulant dosing device; one end of the sewage disinfection equipment is communicated with the activated carbon filter, and the other end is connected with the blow-off pipeline through a sewer pipeline; and a high-pressure spray disinfection subsystem is arranged in the garbage temporary storage area and used for disinfecting the space and the ground of the garbage temporary storage area. The up-to-standard discharge and thorough disinfection of sewage treatment in the temporary garbage storage area are realized.

The present invention relates to a photocatalytic coating device, comprising: a traveling body part that travels to a coating target position, which is a highway facility or a building structure; a solution storage unit that is stored inside the traveling body unit and that stores and transports a solution containing a photocatalyst for spraying a coating target; a spraying part which is arranged on one side of the travelling body part, connected to the solution storage part, walks together with the walking body part, and sprays the solution to the coating target object; a heating and stabilizing part which is arranged on one side surface of the spraying part, moves together with the walking body part, and heats and stabilizes the spraying surface of the coating target to which the solution has been sprayed; and a control part connected to the walking body part, the solution storage part, the spraying part and the heating and stabilizing part, wherein when the position of the coating target object is sensed, the solution stored in the solution storage part is sprayed through the spraying part and controlled, so that heating and stabilizing are conducted through the heating and stabilizing part.