179 results about "Algae growth" patented technology

The invention relates to a water bloom early warning method based on water body chlorophyll a concentration and algae activity, which comprises the following steps: collecting and processing algae growth data of a target area water body to obtain the chlorophyll a concentration and algae photosynthetic activity index data of the target area water body; performing algal bloom risk grading according to the chlorophyll a concentration of the water body in the target area and the algae photosynthetic activity index data; analyzing each water bloom risk level weight based on a historical water bloom occurrence condition in a target time period corresponding to the target area; constructing a data set based on historical water quality data, historical meteorological data and each water bloom risk grade weight in a target time period corresponding to the target area; training an artificial neural network by using the data set to obtain a water bloom early warning data model; and performing target area water bloom early warning by using the water bloom early warning data model. According to the invention, the water bloom early warning accuracy can be improved, and the water bloom early warning in a real sense is realized.

The invention discloses a polluted river water nitrogen and phosphorus removal efficiency evaluation system and method based on element analysis, and relates to the technical field of sewage treatment evaluation. An algae growth dynamic model is trained, and the future growth dynamic state of algae is obtained according to future water body data and future environment driving data; the method comprises the following steps: analyzing the interference influence of interference ion concentration on sensor measurement according to future water body data, dynamically simulating the attachment rate and biofilm thickness of algae on the surface of a sensor probe according to future growth of the algae, analyzing the attachment influence of the algae on sensor measurement, and correcting the measurement precision of the sensor according to the interference influence and the attachment influence. According to the corrected sensor data, whether the nitrogen and phosphorus removal efficiency of the polluted river water meets the removal standard or not is evaluated, real-time correction of the sensor data is achieved through interference ion concentration analysis and dynamic simulation of biological adhesion influence, and the accuracy of monitoring data and the scientificity of pollution treatment efficiency evaluation are effectively improved.

The invention discloses an integrated device for spraying and recycling foliar fertilizer and disease algae-removing medicine in an ebb-tide interval period for cultivating laver on a beach. The integrated device is designed for solving the problems of poor algae growth, rot and green algae invasion caused by uneven nutrition in a sea area. Universal wheels are arranged at the bottom of a tray, the height of the universal wheels is 30 cm, and the universal wheels adapt to hard mud of the mud flat; mechanical traction and traction round holes in the two sides are matched with a hand pull rod with a hook to achieve manual steering and power-assisted traction. According to the pesticide-fertilizer liquid spraying system, a liquid storage tank is connected with a front-end double-row atomization spray head set through a water pump, spraying is conducted from bottom to top, a raft frame rope net is covered, and the double-face pesticide receiving rate of the algae is increased. And the residual liquid recovery system comprises a flocculent filter pad for primary filtration, a conical bottom precipitation tank for standing and sand removal, a floating filter for three-stage filtration and residual liquid recovery to a liquid storage tank. By means of the device, leaf fertilizer and disease algae removal pesticide spraying and recycling are effectively implemented, the prevention and control efficiency is improved, the environmental risk is reduced, and green algae prevention and control and laver yield and income increase are achieved.

The utility model discloses a culture device for strengthening granulation of phycomycete sludge, and belongs to the field of wastewater treatment. The reactor is divided into a jet water inlet area, a circulation reaction area and a mud-water separation area which are communicated with one another from bottom to top. The jet water inlet area is provided with a jet pipe, a sludge collecting tank and a sludge outlet, and the sludge-water separation area is provided with a three-phase separator, an overflow weir, a water outlet pipe, an exhaust pipe, a water quality detection device and the like. And an inner-layer guide cylinder and an outer-layer guide cylinder with zigzag corrugated structures are arranged in the circulation reaction area. The circulation reaction area is divided into a circulation ascending area, an inner-layer circulation descending area and an outer-layer circulation descending area which are different in sectional area from inside to outside, light sources for promoting algae growth are arranged in the inner-layer circulation descending area and the outer-layer circulation descending area, and the intensity of the light source in the outer-layer circulation descending area is larger than that of the inner-layer circulation descending area. According to the device, the granulation process of sludge with different particle sizes can be intensified in a quality-divided manner, and rapid and efficient granulation culture of phycomycete sludge is realized.

The utility model discloses a phycomycete symbiotic reactor for sewage treatment and a treatment system, and relates to the technical field of sewage treatment devices. Comprising a first treatment device, and the first treatment device comprises a first barrel body with a containing space; a light-emitting assembly is arranged in the first can body, the light-emitting assembly comprises a columnar main body part connected with the bottom of the first can body and forked parts extending in the radial direction of the main body part, and the forked parts are arranged in multiple layers in the length direction of the main body part; a power supply assembly is arranged at the outer bottom of the first barrel body and is electrically connected with the light-emitting assembly; by adopting the technical scheme provided by the invention, the growth of algae is promoted, the culture efficiency of the algae is improved, the problem of proportion imbalance of phycomycetes is relieved, the growth of the algae is effectively promoted, the dissolved oxygen rate of sewage in the barrel body is increased, and the sewage treatment effect is improved.

Carbon dioxide containing gas is collected from a point source or atmosphere and is dried, treated, and compressed. The compressed gas is fed into an algae reactor which maintains optimal conditions for algae growth. The algae grows until it reaches sufficient density to be harvested. The harvested algae is processed and packaged for sale. Additionally, revenues may be earned by quantifying the amount of CO2 captured and sequestered by the algae and determining the carbon credit equivalent value. Byproducts may additionally be sold in addition to equipment sales and licensing.

The present invention relates to the technical field of algae growth value-added prediction. Disclosed are an algae growth value-added prediction system and device. The present invention comprises a sensor system, a data acquisition module, a processing unit, a prediction module, an analysis module, a communication module, and a repository. The sensor system is used for monitoring various parameters of an algae growth environment in real time and transmitting acquired data to the data acquisition module. The present invention achieves accurate monitoring and prediction of algae growth environment parameters by means of real-time monitoring and data processing. The system can not only optimize algae growth conditions and value-added production efficiency, but can also implement accurate prediction model adjustment by comparing prediction data with actual data by means of an analysis module, thereby improving the scientificity of decision-making and the efficiency of production management. Furthermore, data is transferred to a user interface by means of a communication module, thereby implementing real-time monitoring and feedback of environmental parameters and system state by an operator, and effectively supporting decision-making and adjustment.

The utility model relates to the technical field of magnetic drive pumps, and discloses a magnetic drive pump with an anti-blocking structure, which adopts a filter casing type anti-blocking structure, a conical filter casing is installed inside a filter end pipe in an embedded mode and is supported and limited through a connecting end pipe in an abutting mode, and the magnetic drive pump is simple in structure and convenient to disassemble and assemble. Solid impurities entering liquid of the magnetic drive pump body can be effectively filtered and separated through the conical filter cover, an impeller in the magnetic drive pump body can be effectively protected during working, the working stability of the pump body can be effectively improved, the service life of the pump body can be effectively prolonged, and the cleaning brush is arranged in the conical filter cover, so that the cleaning effect is good. The cleaning brush is rotatably mounted on the inner side of the conical filter cover through a fixed shaft of a shaft column, the cleaning brush is provided with a driving impeller through the rear end of the shaft column, the cleaning brush is a flexible brush body, the rotating driving force is improved through the driving impeller, and the driving impeller is driven by water flow generated by working of the magnetic pump body without additional power supply; hole blockage caused by growth and accumulation of dirt and algae can be effectively avoided, and the working reliability of the device is greatly improved.

The invention discloses an early warning system for algae blocking of a water intake of a nuclear power plant, and relates to the technical field of alarm devices, the early warning system comprises an alarm device, the alarm device is in communication connection with a data acquisition module, an FVCOM model module, a prediction correction module, a warning line setting module, a real-time display module, a ship AIS information integration module and a decision support module, the modules are in electric signal connection; the data acquisition module is used for collecting various data related to algae growth and marine environment. By monitoring and predicting the algae drifting path in real time, the nuclear power plant is ensured to know the algae distribution condition around the water intake in time, the high-precision FVCOM model and the satellite remote sensing technology are utilized, and the GIS platform is combined to dynamically display the algae motion state in real time, so that the nuclear power plant can find the potential blocking risk in advance, and the safety of the nuclear power plant is improved. The operation safety of the nuclear power plant is remarkably improved, the influence of algae blockage is avoided, and stable power generation of the nuclear power plant is guaranteed.

Systems and methods are provided for processing carbon dioxide-containing gas based on biomass. Such processing may include collection from a point source or atmosphere, drying, treatment, and compression. The compressed gas may be fed into an algae reactor that maintains optimal conditions for algae growth. The algae may be allowed to grow until a predetermined density associated with harvesting is reached. The harvested algae may be processed and packaged. The process may be monitored by sensors and controlled by a computing device in communication with the devices associated with each stage of processing.

A launder cover system for reducing or eliminating sunlight exposure so as to prevent algae growth in a tank such as a clarifier tank. The launder cover system generally includes a plurality of support members and a plurality of launder covers which are each independently pivotably connected to a tank wall of a tank, such as by using a mount. The support members are each pivotably connected to the tank wall by a pivot connector and the launder covers are each pivotably connected to the tank wall by a hinge connector. Each support member is positioned between a pair of launder covers, and each launder cover is positioned between a pair of support members. The support members function to support the launder covers in a raised or lowered position. A launder support may be connected to the channel wall to support the launder covers in their lowered positions.

The invention discloses bacillus subtilis with an algae-lysing effect, a composite algae control agent and application of the composite algae control agent, and belongs to the field of microbial pesticides. Wherein the bacillus subtilis is SJR-02, the strain is preserved in the CGMCC (China General Microbiological Culture Collection Center), and the preservation number of the strain is CGMCC No.32370. The composite algae control agent is obtained by mixing bacillus subtilis SJR-02 and humate, and the humate is one or more of sodium humate, potassium humate and mineral source potassium fulvate. The bacillus subtilis and the composite algae control agent provided by the invention can be used as inhibitors for inhibiting the growth of algae in a water body, are safe to aquatic organisms and aquatic plants in the water body and do not cause deterioration of water quality, so that the bacillus subtilis and the composite algae control agent are very suitable for inhibiting the algae in the aquatic water body, have stable prevention and treatment effects and have relatively good application values.

To solve such a problem that cultivation of seaweeds that generate blue carbon is committed to a natural environment which is very limited to shallows where sunlight reaches (=0.2% of the entire sea), the cultivation region may decrease but cannot increase because of installation of a port, tourism development such as a swimming beach, and expansion of commercial facilities, sunlight sometimes cannot sufficiently reach the cultivation region because of weather conditions and the ebb and flow of the tide, which makes the cultivation insufficient, and furthermore, an outbreak of red tides may inhibit algae from growing.SOLUTION: In a blue carbon system, a sealed wooden box is installed to each of the four corners of a wooden frame of a 12 m-sized wooden artificial island unit; a culture soil unit for cultivating algae is placed on the wooden frame; buoyancy of the four sealed wooden boxes and weight of the culture soil unit are controlled to be well balanced; and upper sides of the four sealed wooden boxes are set to be exposed from the water by approximately 30 cm while taking the water depth into account so as to provide a best growth condition of the algae.SELECTED DRAWING: Figure 1

Systems and methods are provided for processing carbon dioxide-containing gas based on biomass. Such processing may include collection from a point source or atmosphere, drying, treatment, and compression. The compressed gas may be fed into an algae reactor that maintains optimal conditions for algae growth. The algae may be allowed to grow until a predetermined density associated with harvesting is reached. The harvested algae may be processed and packaged. The process may be monitored by sensors and controlled by a computing device in communication with the devices associated with each stage of processing.

The utility model relates to an anti-algae sun-shading device for a sewage treatment tank body, and belongs to the technical field of sewage treatment. Comprising a first corner stand column, a second corner stand column, a third corner stand column and a fourth corner stand column which are installed at the four corners of a sewage treatment pool body, a suspended horizontal steel wire rope A is connected between the first corner stand column and the fourth corner stand column, and a suspended horizontal steel wire rope B is connected between the second corner stand column and the third corner stand column. A sunshade net is connected between the horizontal steel wire rope A and the horizontal steel wire rope B. The first corner stand column, the second corner stand column, the third corner stand column and the fourth corner stand column are each provided with a stand column reinforcing support. The sewage treatment pool has the beneficial effects that the sunshade net is arranged to prevent sunlight from directly irradiating sewage in the sewage treatment pool, so that the growth of algae on the surface of the pool is reduced, and the risk of effluent quality reduction caused by the growth of the algae is reduced. The flushing frequency of water treatment facilities is reduced, the sterilization and algae removal cost is reduced, and the labor cost and the medicament operation cost are reduced.

The invention discloses an environment coupling type grey biological membrane rural grey water recycling and resourceful treatment device, which belongs to the technical field of rural sewage treatment, and comprises a grey integrated structure, an efficient biofilm culturing structure and a biological membrane stabilizing structure, the gray integrated structure comprises a gray shell, the interior of the gray shell is divided into an anoxic zone, an aerobic zone and a settling zone through gray partition walls, and a flow guide groove is formed in the top of each gray partition wall; the efficient biofilm culturing structure is arranged in the aerobic zone through a biofilm stabilizing structure, and a gray microporous aeration device is arranged in the aerobic zone; the efficient biofilm formation structure comprises a plurality of Fe3O4-loaded gray PP fiber fillers; the biological membrane stabilizing structure comprises a gray filler frame, and each gray PP fiber filler is fixed on the gray filler frame. The invention solves the problems of low treatment efficiency, high cost, unstable biological membrane, algae growth and the like in the prior art, and realizes efficient purification treatment of grey water in rural domestic sewage.

The utility model discloses an algal reef system with energy dissipation and biodiversity promotion functions, and relates to the technical field of ocean protection and ecological restoration, the algal reef system comprises a bottom plate, fixing plates and a shellfish and algae growth carrier, the fixing plates are positioned on two sides of the bottom plate, the shellfish and algae growth carrier is a pipe body with a hollow surface, a biological shell is filled in the shellfish and algae growth carrier, and two ends of the shellfish and algae growth carrier are sealed; the shellfish and algae growth carrier is horizontally placed above the bottom plate, the two ends of the shellfish and algae growth carrier are fixed on the fixing plate, through holes are formed in the fixing plate, and a rope penetrates through the through holes to bind algae seedlings. The algal reef system is stable in structure and can effectively resist scouring of sea waves; due to the three-dimensional inhabitation structure, a plurality of microhabitats are provided while tidal current power is weakened, and the diversity of marine organisms is remarkably enhanced; shellfish and algae grow on the surface and in the reef body, a shading shelter can be provided for marine crustacean animals and the like, and the habitat complexity is effectively increased.

The present invention relates to the field of water quality monitoring. Disclosed are a device and method for monitoring algae content in a reservoir, which are used for solving the problem that monitoring data is affected by the environment when the environment is not conducive to data monitoring. The method comprises: acquiring light data of collection points in real time; carrying out calculation to obtain a light non-uniformity coefficient of the collection points; performing light correction on the basis of the light non-uniformity coefficient; monitoring algae data collected at the light-corrected collection points; carrying out calculation to obtain a biological influence coefficient, a physical influence coefficient, and a chemical influence coefficient; comprehensively evaluating to obtain an algae content index; on the basis of the algae content index, issuing an algae content excess warning; collecting the algae content index within a detection time period; using an ARIMA model time series analysis method to predict an algae future growth trend; and, on the basis of the growth trend, issuing an algae growth speed excess warning, thereby effectively improving the accuracy of monitoring algae data.

The invention discloses a nano-silver algae growth inhibition level prediction method based on a random forest, and the method comprises the following steps: collecting the physical property, chemical property, experimental method and environmental condition data of nano-silver, and obtaining a data set comprising a descriptor of the nano-silver and algae growth inhibition data; aiming at missing values existing in the data set, preprocessing the data, and dividing the data set into a training set and a verification set; constructing a nano-silver algae growth inhibition random forest prediction model, and training the random forest prediction model by using the training set data until the random forest prediction model is stably fitted; and inputting verification set data into the trained random forest prediction model, and outputting a nano-silver algae growth inhibition level prediction value by the random forest prediction model for evaluating the nano-silver ecological risk. The algae growth inhibition level of the nano-silver is rapidly predicted, the method is simple and rapid, the cost is low, and manpower, material resources and financial resources required by experimental determination are saved.

The invention is applicable to the technical field of new energy materials and water treatment, and provides solar-driven multifunctional composite hydrogel and a preparation method and application thereof, the multifunctional composite hydrogel comprises dual-network hydrogel, a nanofiber skeleton and functional particles; the double-network hydrogel is formed by interpenetrating and cross-linking a polyelectrolyte hydrogel and a temperature-sensitive hydrogel; the functional particles are loaded in a three-dimensional porous network structure formed by the double-network hydrogel and the nanofiber skeleton. When the device floats on the surface of a water body, efficient solar interface evaporation water production, stable power generation based on the water photovoltaic effect and efficient adsorption removal of nitrogen and phosphorus nutritive salt in the water body can be synchronously achieved under illumination, and therefore algae growth is inhibited. According to the invention, the integrated collaborative management of water collection, energy conversion and ecological restoration is realized, the preparation process is simple, the environmental adaptability is high, and an innovative scheme is provided for solving the distributed water-energy supply and ecological environment problems in coastal, island and other regions.

The invention discloses a haematococcus pluvialis culture illumination system based on edge control and a control method, and relates to the technical field of haematococcus pluvialis culture illumination control, and the haematococcus pluvialis culture illumination system comprises a plurality of sensor monitoring modules, a plurality of edge controllers, a plurality of illumination units and a digital twinborn monitoring platform. According to the method, the illumination intensity can be dynamically adjusted according to the actual growth state of algae, and the problem of algae growth inhibition or insufficient astaxanthin accumulation possibly caused in a traditional fixed illumination control mode is solved. All haematococcus pluvialis cultivation is divided into a plurality of areas for more precise control, an edge controller is arranged in each set area range, and the edge controllers can optimize illumination modes in the area ranges based on real-time data analysis. The digital twinborn monitoring platform establishes a three-dimensional digital model of haematococcus pluvialis growth by collecting data of the sensor monitoring module and the edge controller in real time, and real-time visual monitoring is achieved.

The invention discloses a desert blue-green algae large-scale culture nutrient solution and application thereof. The desert blue-green algae large-scale culture nutrient solution is prepared from urea, monopotassium phosphate, potassium chloride, sodium bicarbonate and medium trace element fertilizer. Wherein the concentrations of the urea, the monopotassium phosphate, the potassium chloride, the sodium bicarbonate and the medium trace element fertilizer are 500-550 mg / L, 20-30 mg / L, 10-15 mg / L, 10-15 mg / L and 10 mg / L respectively. The invention provides a nutrient solution special for large-scale cultivation of desert blue-green algae, and solves the technical problems of high cost, low yield and low blue-green algae purity of large-scale cultivation of desert blue-green algae in the prior art. The nutrient solution composition provided by the invention can balance each nutrient composition, so that the nutrient composition can be more suitable for the nutritional requirements of the growth of the desert blue-green algae.

The present invention addresses the problem of providing a novel coating composition having a high algae growth promoting effect, wherein a coating film obtained from the coating composition exhibits high stability. The present invention provides a coating composition comprising at least one resin component and an iron-supplying material that is chelated with a humic acid.

The utility model belongs to the technical field of sewage treatment, and provides a device for inhibiting algae growth in a secondary sedimentation tank by ultraviolet illumination, which comprises a barrel body with a base and a top cover independent of the barrel body, the barrel body is light-transmitting, a sealing cavity and a working cavity are arranged in the barrel body, the sealing cavity and the working cavity are separated by a partition plate, and a power supply device is arranged in the sealing cavity. A plurality of rows of ultraviolet lamps are arranged in the working cavity, each ultraviolet lamp comprises a UV-A wave band and a UV-B wave band, the power supply equipment is electrically connected with the ultraviolet lamps, and the barrel body corresponding to the working cavity is provided with a plurality of water inlets and outlets; a lifting mechanism is further arranged outside the top cover, a fixing device is arranged at one end of the lifting mechanism, and the fixing device and the lifting mechanism are in threaded connection or connected through a buckle. The device is compact in design and simple in structure, realizes environment-friendly and efficient removal of algae in sewage, and solves the problem of water quality decline caused by chemical algae removal.

The invention relates to the technical field of algae culture and testing, in particular to an experimental device for researching influence on the growth speed of algae, which comprises a constant-temperature water tank and further comprises an algae culture cavity detachably mounted in the constant-temperature water tank; the illumination system is arranged in the algae culture cavity; the exhaust hole is formed in the top of the algae culture cavity; the carbon dioxide aeration pipe is mounted in the algae culture cavity; the gas impact part is mounted at the top of the exhaust hole in a communicating manner and is used for generating impact force for driving the water body to fluctuate through exhaust when the gas is accumulated to a threshold value; through the arrangement of the air impact piece, a driving structure does not need to be additionally arranged in the device to drive the water body to flow, and extra energy consumption is reduced.

System and method for growing and harvesting algae. A plurality of growing trays containing growing medium for growing algae are arranged for flow of the growing medium sequentially therethrough. A holding tray configured to hold more growing medium than any one of the plurality of growing trays receives the growing medium from the plurality of growing trays. A pump draws the growing medium from the holding tray back into the plurality of growing trays.

A water distribution regulation method for reclaimed waterway landscape environment based on algae risk control, comprising: according to the water source characteristics of seasonal river landscape environment water and the hydraulic characteristics of river water, based on the algae growth curve of indicative algae species, controlling algae risk with nitrogen-phosphorus ratio and water replacement rate as control indicators; based on the nitrogen-phosphorus ratio and water replacement rate, constructing a joint regulation model for water-quantity and water-quality of the river incorporating reclaimed water; based on the joint regulation model, optimizing the nitrogen-phosphorus ratio of the river water environment with the indicative algae species; based on the optimized nitrogen-phosphorus ratio, optimizing the joint regulation model; and utilizing the optimized joint regulation model to perform joint regulation of water quantity and water quality.

The invention relates to the technical field of soilless culture, in particular to a convenient household soilless culture vegetable planting device. According to an existing device, a nutrient solution is inconvenient to recycle in the cultivation process, a large amount of nutrient solution is wasted, the growth speed of green algae is too high, the nutrient solution and cultivation are polluted, and therefore the cultivation quality is reduced. The device comprises a supporting frame, the lower portion of the supporting frame is fixedly connected with a water tank, and the supporting frame is fixedly connected with three culture groove frames. A nutrient solution is pumped through the circulating water pump and conveyed into the culture groove frame, the nutrient solution can provide nutrition and water for culture, under the pushing force of the nutrient solution, the clean nutrient solution can push the original nutrient solution into the other flow guide pipe, then the nutrient solution in the culture groove frame is replaced, and the operation is repeated, so that the nutrient solution is replaced, and the culture efficiency is improved. By means of the operation, cyclic utilization of the nutrient solution is achieved, waste of the nutrient solution can be reduced, and the breeding speed of green algae is decreased.

The invention relates to the detection, assessment and mitigation of harmful water-borne bacteria such as cyanobacteria. Multiple apparatus embodiments and variations are described. One apparatus can apply at least one of UV-C irradiation, microbubbles containing ozone and ultrasonic sound to mitigate the harmful water-borne bacteria. The systems and methods of the invention can be applied to bodies of water, including fresh water and salt water, and can be applied to wastewater treatment. The systems and methods of the invention can be used to reduce the concentration of algae directly and can be used to reduce the concentration of nutrients in water that algae use to grow. Methods of mitigation of the harmful bacteria are described that do not involve the introduction of chemicals into the environment.

Examples described herein include systems and methods for improved water level management in a body of water, such as a pool, spa, or pond. An example system includes a water sensor in a static pipe connected to a body of water, a processor receiving signals from the sensor, a memory, and a battery charged via a low-power data channel. When the sensor detects a low-water-level condition, the system opens a fill valve to add water to the body of water. An ultraviolet light can illuminate a portion of the pipe for purposes of preventing algae growth, and an orientation sensor provides a level of safety by deactivating the light for orientations outside a threshold range that could indicate installation or maintenance on the system. The system components can all be contained in a housing that can be mounted to an end of the static pipe.