81results about How to "Improve self-purification ability" patented technology

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.

The invention relates to a plain area urban river network water circulation regulation and control method based on an ecological restoration target, and the method comprises the steps: building a water volume-hydrodynamic force-water quality-water ecological index system through the investigation of the basic conditions of an urban river network and taking the aquatic organism diversity as the basic target of the urban river network water ecological restoration; constructing a river network hydraulics-water quality-water ecology refined simulation model, optimizing a flowing water engineeringregulation and control scheme by utilizing a hydrodynamic force-water quality simulation result of each scene scheme, constructing an urban river network large circulation system, and adjusting a section structure of a local end river segment to realize local small circulation; and comprehensively evaluating the flood control safety, the environment improvement benefit and the influence on the water supply source of the regulation and control scheme. Under an existing engineering system, a flowing water source and kinetic energy of the flowing water source are fully utilized, dispatching of hydraulic engineering such as gates and pumps serves as a main way, ordered movement of inland river water flow is promoted, and the inland river self-cleaning capacity is recovered and improved.

The invention relates to a self-propelled ultrasonic aeration water purifier and belongs to the technical field of environmental protection. The self-propelled ultrasonic aeration water purifier comprises a top solar cell panel and a vault-type housing arranged at the lower end of the top solar cell panel. The top solar cell panel is connected to a storage battery by an inverter. The storage battery is orderly connected to an ultrasonic generator and an ultrasonic transducer. A water proof layer is arranged below the ultrasonic transducer. The storage battery goes through the water proof layer by a lead and is orderly connected to a water pump and a propeller. The vault-type housing in a zone where the water pump is arranged is provided with a water permeable grid. Two layers of metal nets and active carbon sandwiched between the two layers of metal nets are arranged below the propeller. The supersonic wave produced by the self-propelled ultrasonic aeration water purifier does not obviously damage aquatic organisms in water and does not pollute the environment. Air in a bubble way is pressed into water by an aerator so that water oxygen content is improved and water self-purification function is improved. The self-propelled ultrasonic aeration water purifier has a wide work range and can be operated in rivers and lakes in the field and artificial lake in the city.

The invention discloses a river-way ecological management system. The river-way ecological management system comprises a river way and revetments, wherein a plurality of ecological biological water treatment systems and rubber retaining dams are arranged on the river way; side concrete layers are arranged on two sides of the river way, and a bottom concrete layer is arranged at the bottom of the river way; a mud collecting channel is formed in the bottom concrete layer; and micro-wetland ecological systems are arranged between the side concrete layers and the revetments and comprise rainwater channels and aquatic plants, and sewage channels are formed in the lower parts of the micro-wetland ecological systems. The invention further discloses a method for managing the river way by virtue of the river-way ecological management system. By virtue of the system and the method, sectional management and combined management are realized, so that the sewage purification efficiency is improved, the treatment period is shortened, the operation flow is simplified, the cost is lowered, and a water ecological environment of the river way is remarkably improved.

The invention discloses a water body oxygen increasing device including a water pump, a Venturi air entrainment pipe and a discharge pipe, the water pump, the Venturi air entrainment pipe and the discharge pipe are connected through a pipeline in turn, the Venturi air entrainment pipe is provided with an air entraining port, the air entraining port is connected with an air entraining component, the air entraining component comprises a cylinder body, a piston and a driving component, the piston is matched with the cylinder body, the driving component is driven by a water flow in the pipeline or the Venturi air entrainment pipe to drive the reciprocating motion of the piston, the cylinder body is equipped with an air inlet which is communicated with the external environment and an air outlet which is communicated with the air entraining port of the Venturi air entrainment pipe, the air inlet is provided with an air inlet one-way valve which is only capable of letting air into the cylinder body, and the air outlet is provided with an air outlet one-way valve which is only capable of outputting the air from the cylinder body. The water body oxygen increasing device has the advantages of simple and compact structure, stable and reliable operation, high oxygen increasing efficiency, low energy consumption and low cost and the like.

The invention relates to a method for governing black and odorous water body and sediment. The method comprises the following four steps of performing first-stage treatment: enabling an aeration oxygen filling device to be arranged in a first-stage treatment unit; performing second-stage treatment: enabling a filling device to be arranged at the bottom of a second-stage treatment unit, enabling a current generator to be arranged at the upper part of the filling device, and adding microorganisms into the water body; performing third-stage treatment: enabling the watercourse water body to enter a natural depression area, and through gravity sedimentation, performing sedimentation on falling-off aerobic mud after the second-stage treatment is performed; and performing fourth-stage treatment: enabling an aeration oxygen filling device to be arranged in the fourth-stage treatment unit, and adding aerobic bacteria and alga in the water body. Through the adoption of the method for governing the black and the odorous water body and sediment disclosed by the invention, the water body is purified, the problem of water body pollution is controlled, and the sediment is governed to a certain extent; key effects of repairing the local ecological environment and rebuilding ecological balance are achieved; and the governing manner is harmless, and secondary pollution and destroy to the environment cannot be generated, so that the purpose that the water body ecology is restored is finally realized.

The invention discloses a water surface cleaning system. The water surface cleaning system comprises a salvaging box, wherein a front body salvaging module is fixedly arranged on the front side of the salvaging box, and a power supply module is fixedly arranged on the front body salvaging module; a power supply module is fixedly arranged at the tail of the salvaging box; a rear body aerating module is arranged on two sides, close to the tail of the salvaging box, of the salvaging box; a mounting box is fixedly arranged in the salvaging box; a control module is fixedly arranged on the mounting box; a signal acquisition module and a communication module are also fixedly arranged on the mounting box; the front body salvaging module, the power supply module, the signal acquisition module and the communication module are separately connected with the control module through wires; the control module is connected with the power supply module through the wires; and a remote controller is connected to the communication module in a wireless connection manner. Through the adoption of the water surface cleaning system disclosed by the invention, the problem that in the prior art, decontamination workload for manually salvaging water surface floaters in a small-scale watercourse drainage area, a small-scale lake or an artificial lake is large is solved. The invention further provides a method for cleaning the water surface using the water surface cleaning system.

The invention belongs to the technical field of ecological regulation of aquaculture pond water quality and relates to fishery machinery used in promoting full exchange of upper and lower water layers of an aquaculture pond. During operation, a motor is started to drive centrifugal pump impellers to rotate through an output shaft so as to form pressure difference. Bottom water and sediment floccules are sucked up by a water inlet tap, then pass through a water delivery pipe, a centrifugal pump and a water outlet pipe, and finally are sprayed out through a spray-head onto the water surface. Thus, full exchange of upper and lower layers of a water body is achieved, and resuspension and re-release of sediment of the pond are promoted. By promoting full exchange of the upper and lower layers of a water body in the pond, the condition of insufficient dissolved oxygen at the lower water layer is improved, and accumulation of harmful substances such as nitrite, hydrogen sulfide, ammonia, methane and the like is effectively reduced. On the other hand, resuspension and re-release of pond sediment are promoted, thus releasing rich nutrient elements and abundant microbial populations in the sediment into the water body. The device of the invention is beneficial to scientific management of algal phase and bacteria phase, and self-purifying capability of a pond water-body is restored and enhanced.

The invention relates to a self-purifying planting type water-permeable slope protection material and a preparation method thereof. The self-purifying planting type water-permeable slope protection material comprises a self-purifying planting type water-permeable concrete base layer and a photocatalyst coating, wherein the self-purifying planting type water-permeable concrete base layer comprisessilicate-titanium salt slurry, cement strengthener and an active porous material; and the photocatalyst coating is sprayed on the self-purifying water-permeable concrete base layer, and the amount ofthe photocatalyst coating is 2.0 to 7.0 L/m<2>. The self-purifying planting water-permeable slope protection material can degrade organic pollutants in river water or reduce the heavy metal entering the underground water by permeating into the soil, and is high in strength and suitable for the growth of plants.

The invention discloses a water diversion pollutant flushing device for a city watercourse and a sewage treatment method thereof. The water diversion pollutant flushing device comprises a water diversion pollutant flushing body and a drainage pipeline. The water diversion pollutant flushing body comprises a water diversion cross beam and a supporting base, a flood discharge plate is arranged on the top face of the water diversion cross beam, and the drainage pipeline is located on the side, close to an inner watercourse, of the water diversion pollutant flushing body. The method includes the steps of performing construction preparation, constructing an underwater static pressure pipe pile and a cutoff wall, installing a frame support and a wall face board, conducting water pumping construction, constructing a cement pedestal, installing and adjusting the water diversion pollutant flushing device, detaching the frame support and the wall face board, conducting outer watercourse water diversion and flood discharge and treating sewage. According to the method, river water in the outer watercourse is led to flush the city watercourse, so the self-cleaning capacity of city watercourse water is improved, and water quality pollution situations of the city watercourse are relieved; meanwhile, the flood discharge and floodwater drainage capacity is good, and economic benefits are remarkable.

The invention relates to a lake cyanobacteria scavenger mainly comprising a natural mineral. Volcanic ash powder as the natural mineral is taken as the main component, a flocculant, a bactericide and an oxidizing agent are added and mixed, and the lake cyanobacteria scavenger is prepared. 100 g of the lake cyanobacteria scavenger is added to every cubic meter of water and is stirred or stirred with natural water force, the water becomes clear and transparent after 8 hours, and a large quantity of harmful substances is removed. Different use amounts of the scavenger are adopted according to different types of lakes, and lake water polluted by cyanobacteria is treated more scientifically and more reasonably. The natural volcanic ash powder has more excellent performance after activation and has higher pollution element adsorption capacity and exchange capacity. After reasonable and scientific blending, the scavenger has better capacity for directly adsorbing ammonia, nitrogen, phosphorus, arsenic and other heavy metal elements in eutrophic water when in water and has better pollutant removal effect; one efficient, fast, labor-saving and treating-cost-saving method is provided for physical and chemical treatment of lake eutrophication, and secondary pollution is avoided.

The invention provides an ecological restoration method for a black and odorous river channel, and belongs to the technical field of sewage treatment. According to the method, ecological restoration is carried out on the black and odorous river channel from five aspects of source control and sewage interception, bottom mud treatment, water body purification, ecological restoration and maintenance management, and the method is high in operability, thorough in treatment and high in treatment efficiency; through reconstruction of a riverway ecological system, the self-cleaning capacity of the water body is gradually restored, the peculiar smell and chroma of the black and odorous water body are gradually eliminated, finally ecological balance of the water body is achieved, the water quality is improved, the water body ecological system can be healthily and stably developed for a long time, and good environment-friendly and ecological functions are achieved.

The invention discloses a water body micro-nano oxygenating system, which comprises a water pump, an oxygenating pump and a venturi tube. An outlet of the water pump is connected with a water inlet of the venturi tube, an outlet of the oxygenating pump is connected with an air inlet of the venturi tube, a water outlet of the venturi tube is connected with a multilevel vane pump, and all vanes of the multilevel vane pump are provided with a plurality of concave notches which are distributed at intervals along the edges of the vanes. The water body micro-nano oxygenating system has the advantages of being small in size, low in constructing cost, high in oxygenating efficiency and favorable for reducing energy consumption.

The invention discloses a float type river wastewater treatment device based on an EHBR (Enhanced Coupled Biofilm Reactor). The device comprises multiple floating plates arranged in an array way, wherein cultivation plates are arranged above the floating plates; fixing blocks are arranged on one sides, close to the floating plates, of the cultivation plates; fixing slots corresponding to the fixing blocks are formed in the floating plates; multiple locking screws arranged in a surrounding way are in threaded connection with the circumferential sides of the floating plates; locking ports corresponding to the locking screws are formed in inner side walls of the fixing slots; locking slots corresponding to the locking screws are formed in the fixing blocks; multiple first through holes are formed in the cultivation plates; plants are arranged in the first through holes; the upper ends of the plants penetrate through the upper end parts of the first through holes and extend upwards; root parts of the plants sequentially penetrate through inner bottom parts of the fixing blocks and the fixing slots and extend downwards. The float type river wastewater treatment device based on the EHBRprovided by the invention has the characteristics of good treatment effect, simplicity and convenience in operation, low operation cost, capability of permanently improving a self-purification capacity of a riverway, and easiness in implementation.

The invention discloses an efficient organic fertilizer. The efficient organic fertilizer is prepared from the following raw materials in parts by weight: 50-70 parts of cassava residue, 30-50 parts of potassium ore powder, 30-50 parts of straw, 15-25 parts of poultry and livestock manures, 20-40 parts of river sludge and 20-40 parts of phosphate ore powder. The efficient organic fertilize is rich in various nutrients necessary for the growth of plants, the growth of plants is effectively promoted, the productivity is increased, the quality is improved, the activity of soil and the propagation transformation capacity of organisms can be improved and the self-purification capacity of soil is further improved.

The invention discloses a water quality purification system for lake water body. The water quality purification system comprises a supporting column fixed on the bottom of a lake, wherein the supporting column is provided with a solar power generation device, a fountain device and a gas purification device; the solar power generation device provides electric energy for the fountain device and thegas purification device; the solar power generation device is positioned below a water level and is not in direct contact with the water body; the gas purification device is positioned in the water body; the supporting column is in slippage connection with a floating body installed on the fountain device; the fountain device comprises a water supply part arranged on the bottom of the lake, a branch pipe arranged on the floating body, a plurality of nozzles arranged on the branch pipe and an extension tube for communicating the water supply part with the branch pipe; solar energy power supply does not need additional energy consumption, energy is saved, environment is protected, and operation cost is low; gas and pollutant in water are in full contact, harmful substances, including organicmatters, nitrogen , phosphorus and the like, in water can be subjected to oxydative degradation through oxidization reduction reaction, and various bacteria in the water can be subjected to oxidization sterilization to achieve the purpose of water quality purification.

The invention belongs to the technical field of wastewater treatment and particularly relates to a recycling system for treating slaughter wastewater. The slaughter wastewater firstly enters a substrate area through a wastewater inlet, solid particles of the slaughter wastewater are filtered through internal substrate packing, and substances in the slaughter wastewater are pretreated and then the substrate packing is utilized as a fertilizer; the pretreated slaughter wastewater enters an ecological area through a stainless steel filter screen opening for advanced treatment; the slaughter wastewater subjected to advanced treatment enters a sunken stone area through a gate and is adsorbed by using sunken stone packing; entering wind enters a spray pope by using an exhaust fan through a wind distribution box and the sunken stone area is blasted with air and subjected to aerobic treatment; the treated slaughter wastewater is discharged through an outfall; and the sunken stone packing in the sunken stone area is used as a nutrient soil base material. The recycling system has a relatively good treatment effect on the slaughter wastewater and is high in treatment efficiency, and meanwhile, the nutrient substances in the slaughter wastewater can be fully utilized.

This invention discloses a kind of bio-organic compound fertilizer used to treat secondary saline-alkali land and produced with food waste, which include the following components in different proportions: 150-200 parts of food waste, 5-20 parts of soil conditioner, 30-40 parts of salt releasing agent, 16-25 parts of compound microbial agent, 20-40 parts of phosphate solubilizing bacteria, 10-20 parts of cyanophytes, 10-15 parts of meerschaum, 10-15 parts of aluminium sulfate, 10-20 parts of polyacrylamide, the soil conditioner above mentioned is constituted by the following component in different proportions: 20-30 parts of carbamide , 20-30 parts of natriumboricum, 20-30 parts of monoammonium phosphate, 5-10 parts of manganese sulfate, 16-20 parts of zine sulfate,4-10 parts of monosodium glutamate, and 12-16 parts of borax. This invention provides bio-organic compound fertilizer used to treat secondary saline-alkali land and produced with food waste. The raw material iseasily got, the manufacturing is simple, and the compound fertilizer has multi-function, and can increase the fertility of saline-alkali land, at the same time, can loosen the soil and retain the moisture.

The invention discloses a repair and purification method in a shrimp and crab breeding pond. The repair and purification method comprises the following steps of (1) reconstruction of the breeding pond, (2) constructing of a purification area and (3) arranging of an aeration circulation system. Inorganic salts, ingest residual feed of paladina and bivalves and other organic matters are absorbed anddigested by using water plants through the purification zone, pollutants are converted into nutrient sources of aquatic plants, paladina and bivalves, then circulating pumps and aerators are arrangedto cyclic purify a water body to improve the dissolved oxygen condition of the bottom of the water body, and therefore the self-purification ability of the breeding water body is improved.

The invention relates to a soybean water lactobacillus soil remediation agent and a preparation method thereof. The soil remediation agent is prepared by fermenting carex tarumensis, artemisia argyi,artemisia sacrorum, amaranthus tricolor, pteridium aquilinum, and fermentation broth of soybean water lactobacillus. The heavy metal enriching performance and pollutant degrading performance of the soil remediation agent are enhanced. At the same time, the microbe content of soil is increased, the soil is remedied, and the self-cleaning performance of the soil is improved. The main raw material ofthe soil remediation agent is soybean water lactobacillus, which is prepared from soybean water that is the residue of soybean products. The soybean water is effectively utilized, the cost for processing soybean water and the cost of the soil remediation agent are reduced, and the soil remediation agent can be used to remedy soil and is convenient to popularize.