928 results about "Oxygenation" patented technology

The invention relates to an ecological restoration method for a city watercourse. The ecological restoration method for the city watercourse is characterized in that the polluted city watercourse is comprehensively restored with the combination of physical, biological and ecological technologies, the ecological theory is used for reference in the treatment process, the ecological idea is used as the guiding thought, a complex water ecosystem structure is constructed and restored, the original natural state of the watercourse is restored, the self-cleaning capacity of a river system is improved, the environment is beautified, and the local city microclimates are improved at the same time. The ecological restoration method mainly comprises the steps of (1) controlling a pollution source, (2) modifying the river bank, (3) optimizing the environment of the river bottom, (4) modifying the watercourse, (5) conducting aeration and oxygenation, (6) constructing an aquatic plant community, (7) constructing a fish and macrobenthos community, and (8) maintaining the system. The watercourse ecological system restored through the ecological restoration method has the certain anti-interference capacity, on the premise that a large amount of exogenous pollution is cut off, the certain-strength interference can be resisted, and the good ecological environmental effect is obtained. After one-time input, the better ecological benefit can be obtained only with a small number of maintenance costs.

The invention discloses a method and a device for high-temperature rapid fermentation on agricultural waste to produce an organic fertilizer. The device comprises a material storage system, a heating system, a stirring system, a dehumidification and biodeodorization system, an oxygenation system, a feeding and discharging system and electric automatic control systems, wherein the material storage system comprises a U-shaped fermentation tank and an overall rack; the heating system comprises a heating insulating jacket, heat-conducting oil and an electric heating tube; the stirring system comprises a gear motor, a stirring shaft and a dual-layer spiral mixing blade; dehumidification and biodeodorization system comprises a dehumidifier and a biodeodorization filter material; the oxygenation system comprises an air compressor and an oxygen delivery pipeline; the feeding and discharging system comprises a feeding hole and a discharge hole; the electric automatic control systems of various units are uniformly connected to an electric control box. According to the method and the device, agricultural waste and thermophilic composite microbial agents can be evenly stirred and mixed, and are rapidly heated, so that the temperature in the device reaches 80-100 DEG C; harmful microorganisms and pathogens in the waste can be effectively inactivated; meanwhile, the activity of the thermophilic composite microbial agents is activated; and the organic fertilizer product is produced within 9 hours.

The invention relates to pneumatic conveying remote feeding and oxygenation equipment. The pneumatic conveying remote feeding and oxygenation equipment mainly comprises a fan, throwers, a storage container, a splitter and a conveying air pipe, wherein the throwers are fixed in the feeding area on the water surface of a fishpond, compressed air generated by the fan blows fodder split by the splitter in the storage container to the throwers through the conveying air pipe, and then the fodder is thrown to the water surface. The pneumatic conveying remote feeding and oxygenation equipment adopts the Roots fan, and the granular fodder is blown to the distant throwers and then thrown into the fishpond by throwing discs. The pneumatic conveying remote feeding and oxygenation equipment can further inflate and oxygenate the fishpond, the same Roots fan, the storage container and the splitter supply fodder to the multiple throwers, and the fodder is put at regular times and fixed quantity.

The invention belongs to the field of water treatment, and relates to a two-stage moving bed biomembrane reactor medium water treatment system. The two-stage moving bed biomembrane reactor medium water treatment system is characterized in that the whole process adopts a programmable PLC automatic control system; the main treatment structure is two-stage cascade connected moving bed biomembrane reactors; and the concrete process flow is as follows: domestic sewage or sewage with similar water quality enters a regulating pond through grates and then enters a first-stage MBBR reactor and a second-stage MBBR reactor in turn by pump lifting; and then the water is outputted into a depositing pond, enters a clear water pond and is reused for flushing toilet or as landscape water after cyclic ultraviolet sterilization. The two-stage moving bed biomembrane reactor medium water treatment system has the advantages that: 1 the system has good medium water treatment effects, stronger resistance to shock load and stable outputted water quality; 2 the system has simple and convenient operating management, a small floor area, convenient maintenance and little excessive sludge; and the system adopts the PLC automatic control system with high automatic degree; 3 the system adopts a mechanical aeration mode, thereby bringing about low energy consumption and good oxygenation performance without an independent blower; 4 the system adopts a cyclic ultraviolet sterilization mode without any medicament added during the whole process, thereby avoiding the secondary pollution; and 5 the system has a wide application range.

The invention belongs to the technical field of soil bioremediation and in particular relates to a bioremediation method of organic matter contaminated soil. The bioremediation method comprises the following steps: stirring and crushing soil; adding an organic fertilizer and nutrients into the soil, and uniformly mixing; regulating the humidity of the soil with water; adding specific efficient microorganisms, a catalyst and a surfactant; carrying out aeration oxygenation on the soil, and simultaneously collecting tail gas; and periodically carrying out sample examination. Shown by a result, according to the bioremediation method disclosed by the invention, the degradation rates of aniline and nitrobenzene pollutants reach up to above 90 percent.

The invention relates to the technical field of aquaculture, and discloses an internal circulation fishpond and a circulating water treatment process. According to the internal circulation fishpond and the circulating water treatment process, an air striping device, a physical filtration device and a biological filtration device are arranged in vacant regions, such as corners of the fishponds; multiple functions, such as plug flow, oxygenation, degassing, solid filtration and biological filtration, are integrated in the design of the fishpond; through arranging an air stripping pump, a moving bed biofilter and a vertical flow precipitator and the like, the water treatment function of the fishpond is perfected and enhanced, and the fishpond has the functions of oxygenation, degassing, physical filtration and biological filtration; the circulating speed of a water body is reduced while the solid utilization rate is improved; through reducing the treatment load amount of a water treatment system, the circulating speed of the water body and the operating energy consumption of a circulating water pump are reduced.

The invention relates to a factorized totally-closed circulating aquaculture system of sea cucumbers, belonging to the technical field of aquaculture. The factorized totally-closed circulating aquaculture system comprises a special culture pond and a water treatment system; the special culture pond is a circular bead pond of which the bottom is shaped as a pan bottom, a water outlet is formed in the lowest position of the center of the special culture pond, and three to five circles of porous bottom flushing pipes are horizontally paved at the bottom of the pond; the water treatment system comprises a slow flow settling pond, a pump pond, a water lifting pump, a protein foam separator, a first-stage pollution cut biopurification pond, a second-stage degassing biopurification pond, a steam water convection oxygenation pond and a pipeline type ultraviolet sterilizer. The culture system suitable for factorized totally-closed circulating aquaculture is designed according to the biological characteristics of sea cucumbers and an aquaculture water circulation utilization technology; the daily supplement of new water is less than 5 percent during culture by using the system disclosed by the invention. Compared with a traditional water change or running water culture method, the system disclosed by the invention has the advantages that the water saving amount reaches over 95 percent; more importantly, the temperature control energy consumption in the culture process is greatly reduced and the energy is saved by over 70 percent.

The invention discloses a biological response system for multistage sewage treatment as well as a manufacturing method and a sewage treatment method. The biological response system is formed by connecting a multistage precipitation pretreatment unit, a multistage hydrolysis and acidizing treatment unit, an aeration oxygenation treatment unit and a multistage undercurrent wetland treatment unit through pipelines; the multistage undercurrent wetland treatment unit comprises a water inlet wetland pool, two groups of decomposition and percolation wetland pools and a water outlet wetland pool which are sequentially arrayed; and the multistage precipitation pretreatment unit, the multistage hydrolysis and acidizing treatment unit and the aeration oxygenation treatment unit are sequentially arranged on one side of the multistage undercurrent wetland treatment unit in parallel and are connected with one another through pipelines. The biological response system provided by the invention has the advantages of scientific design, reasonable structure, fewer electromechanical devices due to the adoption of an automatic flow mode, low operation cost, low sewage treatment expense, small floor area, obvious sewage treatment effect, convenience for operation and maintenance management, low cost on project capital construction and operation, and capability of carrying out purification treatment all the year round, ; the treated sewage can be directly discharged into reservoirs, rivers and lakes and is in accordance with discharge standards in China; and a bioecological technology has stronger self-regulation capability and repair capability.

The present invention discloses a high-efficiency ecological cultivation method for macrobrachium nipponense. The method comprises: (1) preparing a shrimp pond; (2) disinfecting the shrimp pond; (3) planting and managing water weeds; (4) stocking and managing postlarvae; (5) carrying out oxygenation water quality management and oxygenation; (6) carrying out feeding management; and (7) catching adult shrimps. According to the present invention, the high-efficiency ecological cultivation method for macrobrachium nipponense is simple and easy in operation, can greatly reduce content of poisonous and harmful organic matters, residual feed and the like by virtue of management methods such as planting water weeds, matching filter-feeding fishes, reducing a mixed feed proportion, reasonably and effectively feeding, controlling water weed density, carrying out oxygenation by virtue of an aerator, and the like, thereby reducing cost investment and keeping water quality freshness. by postponing shrimp postlarvae stocking time and applying quicklime, occurrence of autumn propagated postlarvae can be inhibited; and by leaving an area besides a pond with no water weeds planted, feeding and growing of macrobrachium nipponense can be promoted. The macrobrachium nipponense cultivated by the method is high in yield, good in quality, high in large-size commercial shrimp rate, good in cultivation benefits, so that the health development of macrobrachium nipponense cultivation industry is promoted.

The invention discloses a maturity process and a packaged technology for purifying water in a lake-river-mouth on-scale floating plant cultivation project. The main body comprises an outside protective cloth water barricading, a floating blanket type wave absorption zone, a floating plant purification area, an inboard water distribution barricading, an aeration deodorization reoxygenation zone and a submerged plant purification area. By the outside protected water distribution barricading and the floating blanket type wave absorption zone, boundaries of a project area are controlled, the water flow exchange between the water body in the project area and the lake surface is obstructed and storms is resisted; by the outside protected water distribution barricading and the inboard water distribution barricading, the inflow and outflow of the water of the project area are controlled, thereby even water distribution and uniform water power residence time are achieved; the main process unit for water purification is formed through cultivating floating plants on scale on large cage carriers with the biserial emplacement and the elastic mooring at the bottom of the lake; through deodorization and reoxygenation in the aeration zone, and oxygenation and purification in the submerged plant purification area, the odor in the water is eliminated and the water is resumed to the oxygenation state, the effects of the floating plant purification area to the downstream water body and surrounding environment are eliminated. The maturity process and the packaged technology can be used to control the related pollution among water bodies including rivers flowing into lakes pollution control, water flow flowing out of lakes pollution control, water purification of lake coastwise sewage discharge points, water purification of lake coastwise intake points (water resources area) and others, and have the remarkable efficacies of eliminating alga, nitrogen, phosphorus.

The invention relates to a method for waterless keep-alive transportation by narcotizing tilapia mossambica with low-concentration carbon dioxide and belongs to the technical field of living fish waterless transportation. According to the method, the carbon dioxide serves as the anesthetic of the tilapia mossambica, the influences of the concentration of the carbon dioxide, the temperature of narcotizing liquid, the narcotizing time, the keep-alive temperature, oxygenation and other parameters on the waterless keep-alive time of the tilapia mossambica are studied, and the optimal tilapia mossambica waterless keep-alive transportation parameters are determined. After the method is applied, the tilapia mossambica can be kept alive for four to five hours, and the survival rate is 100 percent. According to the method, the transportation efficiency is improved, the transportation cost is reduced, and meanwhile the transported tilapia mossambica does not have the potential safety hazard of medicine residues.

The present invention provides a vertical sewage treatment device including an anaerobic chamber, an anoxic chamber, an aerobiotic chamber, and a secondary precipitation chamber, wherein the anaerobic chamber, the anoxic chamber, the aerobiotic chamber, and the secondary precipitation chamber are vertically arranged in sequence from the bottom to the top. According to another aspect, the present invention also provides a sewage treatment method using the foregoing vertical sewage treatment device. The sewage treatment device and method of the present invention have the advantages such as a reduced occupied area, improved oxygenation efficiency, a decreased head loss, a reduced invalid structure volume, and a low heat loss.

The invention discloses a processing method of ecological sewage, which utilizes superior culture or biological activator as a core, assists growing herbaceous plant, builds an ecological dam and an ecological floating island, is combined with oxygenation algae restraining aeration technology in assisting mode to treat ecological sewage. The processing method of ecological sewage has the advantages of being capable of promoting pollutant substance degradation, transferring and transformation in multiple layers, reducing BOD and COD and purifying water, good in treatment effect, low in construction cost, free of energy consumption or low energy consumption, low in operation cost and the like. Simultaneously, no drug is cast to a water body, so that no secondary pollution is caused. The processing method is combined with afforest environment and landscape improvement to create graceful environment where people are melted with nature. The cheap practical technology is suitable for modification of ecological environment of water bodies including rivers and lakes and purification of micropollution water bodies like landscape water bodies in our country.

The invention discloses a live fish transport vehicle. The transport vehicle comprises a transport vehicle body, a live fish transport box device is installed on the transport vehicle body, an adjusting device is arranged in the live fish transport box device, a controller is arranged in the transport vehicle body, a dual-power automatic oxygenation device is arranged on the live fish transport box device, and a wind power generation device is arranged on one side of the live fish transport box device; under the action of wind power, water can be sprayed in a spraying mode, and under the action of a water suction pump, the water can be sprayed in a spraying mode, so that the oxygenation effect of the water is effectively guaranteed, and meanwhile, the consumption of electric energy can begreatly reduced; and by driving the fan blades to rotate, the power generator can be driven to start to generate power, so that wind energy generated by advancing of the transport vehicle is efficiently utilized, energy is reasonably utilized, the heat insulation layer is arranged on the live fish transport box, the working time of the refrigerating machine is effectively shortened, and the electric energy consumption of the device is saved again.

The invention relates to the technical field of deep-sea culture, in particular to an assembled stable sinking and floating deep sea culture net cage and a using method thereof. The assembled stable sinking and floating deep sea culture net cage comprises a frame system, a buoyancy adjusting system, an auxiliary buoyancy stabilizing system, an anchoring system, an inner and outer net system, a netcleaning system, an underwater measurement and control and oxygenation system and a fish collecting system. The culture net cage has the advantages that the assembled structure is beneficial to standardized manufacturing and installation and facilitates corrosion prevention and maintenance; the stability during sinking and floating is enhanced by using a method of adjusting and controlling auxiliary buoyancy; layered culture is conducted, and a three-dimensional food chain and a culture ecological chain are constructed; remote management and control can be realized through a mobile terminal according to real-time data of an Internet of Things management system and a water area information acquisition center; buoyancy is adjusted by adjusting the water amount, sinking and floating are controlled, and regular net cleaning and maintenance are facilitated; dissolved oxygen is supplemented layer by layer, so that the culture density can be multiplied; and fish automatically swims into a cabin along a fish collecting water slideway, so that the manual operation cost is greatly reduced.

The invention discloses a sulfur-oxidizing bacterium and a method for removing sulfide by using the sulfur-oxidizing bacterium and belongs to the technical field of biological and environmental protection. The invention discloses the bacterium classified and named Themithiobacillustepidarius JUN-2, and the preservation number is CCTCCNO:M2013217. The bacterium has very high oxidizing efficiency for sulfur compounds, and a byproduct named elemental sulfur with high additional value is efficiently generated. The invention further relates to a method for removing the sulfur compounds in sulfur-containing waste liquid by applying the the sulfur compounds in sulfur-containing waste liquid in a gas lifting type inner circulation continuous operation aerobic reaction device; the hydraulic retention time (HRT) is 10 hours; the yield of the elemental sulfur is 0.1-gL<-1>h<-1>; the generation ratio of the elemental sulfur is about 60 percent; the oxygenation efficiency of thiosulfate is greater than 98 percent. The gas lifting type inner circulation continuous operation aerobic reaction device behaves well, and has a potential to removal of the sulfides in the sulfur-containing waste liquid on large scale.

The invention belongs to the technical field of water environment pollution treatment, and particularly relates to a synchronous denitrification, dephosphorization and oxygenation composite material as well as a preparation method and application thereof. A biomass material and/or a mineral substance material with ammonia nitrogen adsorption performance are/is used as a modified matrix material; firstly, a sodium chloride solution is adopted for soaking to increase the ammonia nitrogen absorption amount, and then a metal compound is adopted for modifying the modified matrix material, so that the modified matrix material can adsorb phosphate at the same time; and finally, the modified matrix material is loaded with micro-nano bubbles, so that the matrix material has the effects of oxygenating a water body and increasing the oxidation-reduction potential of a sediment-water interface, and the finally obtained composite material has the effect of synchronously achieving denitrification, dephosphorization and oxygenation. The composite material is simple in synthesis process, low in production cost and high in ecological safety, and has the potential of large-scale industrial production.

The invention provides water ecology restoration equipment and a use method thereof, and provides the following scheme aiming at the problems that the existing water ecology restoration equipment is inconvenient to automatically clean and collect algae garbage on the water surface in a self-adaptive manner and is inconvenient to synchronously carry out aeration, stirring and oxygenation on a water body. The repairing equipment comprises a treatment box with an opening in the top. The outer side of the treatment box is fixedly sleeved with a floating plate; and the two sides of the floating plate are fixedly connected with slag inlet boxes. The device is reasonable in design, algae garbage on the water surface can be automatically cleaned and collected in a floating mode in a self-adaptive mode, and the device is not affected by water level rising and falling; according to the structure, the water body is conveniently and synchronously and automatically aerated, stirred and oxygenated while being cleaned, wherein buoyancy of the device on the water surface can be conveniently adjusted according to actual needs, so that the inner wall of the bottom of the residue inlet box can be just submerged into the water surface to facilitate entering of algae garbage on the water surface, sunlight is conveniently utilized for power supply; besides, users can conveniently take out the filtered and collected algae garbage for cleaning, and use is facilitated.

The invention discloses a biodegradation-based epoxy ethane waste gas treatment method and system. According to the method and the system, epoxy ethane waste gas dissolved in wastewater is treated based on an aeration tank, a sedimentation tank and a filtering tank, and meanwhile, the treatment of organic matters in the wastewater is further realized; micro-biological degradation mainly comprises the following step of carrying out oxygenation degradation on the epoxy ethane waste gas dissolved in the water based on a microbial community generating flocculating constituents in the aeration tank; when the oxygenation degradation is carried out through the microbial community, aerobic biological treatment is carried out, the conversion of the organic matters including the epoxy ethane comprises the steps of carrying out assimilation synthesis and alienation decomposition on the organic matters by virtue of microorganisms under a sufficient oxygen condition, so as to finally generate CO2, H2O, NH3, SO2 and the like; as the CO2, the H2O, the NH3 and the SO2 are exhausted along with the water, the epoxy ethane waste gas treatment is realized.

The invention provides a triops sinensis imitating ecological breeding method. The method comprises the following steps of egg incubation and larva breeding, adult breeding, egg laying and collection, and daily management. The method comprises the steps that aquatic plant and plant debris with beneficial microorganism are utilized for building a micro ecological system for triops sinensis, the micro ecological system can provide food for the triops sinensis and can purify water quality of itself, special buoyancy bait is fed, the water temperature is kept constant, and oxygenation is kept for 24 hours, a breeding box is utilized for collecting eggs, and annual indoor breeding of triops sinensis can be achieved. Adult triops sinensis bred through the method is robust and high in disease resistance, the female adult triops sinensis can lay 400-500 eggs on average, the hatchability is 89%, the larval survival rate is 92%, the breeding method is simple, the breeding cost is low, the method can be used for manually increasing the population number of the triops sinensis, and the triops sinensis imitating ecological breeding method is of great significance in protecting, researching, developing and utilizing rare animals, and has higher economic benefits and ecological benefits.