123 results about "Algae growth" patented technology

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.

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.

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

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 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 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.

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.

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.

The utility model discloses an algae fermentation device and relates to the technical field of algae fermentation devices. The device comprises a fermentation tank, the fermentation tank is provided with a ventilation mechanism and a dismounting mechanism, the ventilation mechanism comprises a filter box fixedly connected to the outer wall of the fermentation tank, the left side of the filter box is fixedly connected with a ventilation pipe, and the inner wall of the fermentation tank is fixedly connected with a gas distribution pipe. And the bottom of the filter box is fixedly connected with a connecting pipe. According to the utility model, the ventilation mechanism is arranged, specifically, when gas needs to be introduced into the fermentation tank, the gas enters the filter box and the filter unit through the ventilation pipe to filter impurities, microorganisms and the like so as to prevent the impurities, the microorganisms and the like from influencing algae fermentation, and the filtered gas enters the gas distribution pipe through the connecting pipe and is uniformly released into algae liquid in the fermentation tank through the aeration holes; a suitable gas environment is provided for algae growth, the fermentation process is guaranteed to be smoothly carried out, and the algae fermentation efficiency and quality are effectively improved.

The present application discloses a water quality analysis system and method in a water area based on a safety dynamic evaluation, which belongs to the field of water quality analysis. The present application evaluates the growth of algae based on algae growth data, obtains water quality change data and weather change data in the water area to analyze the abnormal growth environment of algae, and evaluates the abnormal growth of algae in the water body based on the obtained algae growth evaluation results and the abnormal growth environment analysis results. The present application accurately evaluates the growth of algae based on algae growth quality data and growth aggregation degree data, and then integrates the water quality and weather change data of the water area to predict the future development of algae blooms, thereby improving the ability to grasp the future development of algae blooms and the accuracy of prediction.

A method for surface water remediation and prevention and mitigation of harmful algal blooms includes the steps of receiving nutrient-rich water from a body of water; cultivating a first type of algae in the raceway algae growth pond to absorb and reduce nutrient concentrations in the nutrient-rich surface water; flowing at least a portion of the nutrient-rich surface water treated in the raceway algae growth pond to an attached algae flow way connected downstream of the raceway algae growth pond; cultivating a second type of algae in the attached algae flow way to further absorb and reduce nutrient concentrations in the nutrient-rich surface water; and returning at least a portion of the nutrient-rich surface water treated by the raceway algae growth pond and the attached algae flow way to the body of water.

There are disclosed processes and systems of culturing and mixing algal growth medium in at least one open algal aquaculture pond for a continuous flow system without requiring mechanical mixing devices. The process involves constructing an open algal aquaculture pond possessing a fetch selected as a function of a specified wind speed and a wave mixed layer (WML) defined by a specified depth from the surface of the pond; supplying algal growth medium to the open algal aquaculture pond, the pond having at least partially a manmade configuration; and culturing algae in the algal growth medium in the open algal aquaculture pond; and wherein a ratio of the WML of the algal growth medium to a total depth of the algal growth medium in the pond is greater than about 0.2. Also disclosed are uses of the mixed algal aquaculture medium and systems for culturing algae.

The present invention discloses a freeze-dried algae-lytic bacteria agent, a preparation method thereof, and an application thereof in algae inhibition. The algae-lytic bacteria (Brevibacillus laterosporus) RZ1 is deposited with CCTCC NO: M2024725. The algae-lytic bacteria freeze-dried powder prepared by the present invention has a viable bacterial count of up to 7.27×10 10 cfu / g, the survival rate before and after freeze-drying can reach up to 171.62%, and the number of viable bacteria can be increased by 57.5% after storage at 4°C for one month. The strain and bacterial agent of the present invention can be added to water bodies before algae outbreaks to inhibit algae growth and reproduction and prevent algae outbreaks.

A computer-implemented method for culturing algae in a raceway pond is provided, the method comprising receiving input data indicative of one or more properties of the raceway pond, predicting a state of the raceway pond using a model, based on the input data, and automatically adjusting one or more operating conditions of the raceway pond, based on the predicted state, by outputting a control signal to at least one apparatus, wherein the control signal is calculated to increase or maintain the growth rate of the algae. Also provided is a computer-implemented method, comprising receiving first data indicative of one or more properties of a raceway pond, predicting a state of the raceway pond using a model, based on the received first data, and iteratively receiving further data indicative of one or more properties of the raceway pond from a raceway pond sensing / monitoring apparatus, updating the predicted state of the raceway pond using the model, based on the received further data, and providing an output to a display based on the updated predicted state. Corresponding devices, computer-readable media and systems are also disclosed.

The invention discloses application of Pseudomonas orientalis to inhibition of algae growth and promotion of carbon dioxide fixation at the same time, and relates to the technical field of environmental microorganisms and ecological management. The invention provides application of pseudomonas orientalis to inhibition of algae growth and promotion of carbon dioxide fixation at the same time. The inhibition rate of the Pseudomonas orientalis to algae is as high as 97.57%, and the fixation rate of the Pseudomonas orientalis to dioxide is 0.43 g / L.d. The invention also provides a pseudomonas orientalis microbial agent and a preparation method thereof. According to the invention, synchronous regulation and control of algae inhibition and carbon sequestration are realized for the first time, and the problem of mutual restriction of algae control and carbon sequestration processes in the prior art is effectively solved.

The utility model relates to the technical field of blueberry planting, and discloses a planting pot which comprises a double-layer structure composed of an inner pot body and an outer pot body, an air flowing interlayer is located between the inner pot body and the outer pot body, the inner pot body is black, the outer pot body is white, inner ventilation holes are distributed in the inner pot body, and the outer pot body is provided with outer ventilation holes. Inner ventilation holes are distributed in the inner pot body and located in the lower side position of 2 / 3 height of the inner pot body, outer ventilation holes are distributed in the outer pot body and located in the lower side position of 2 / 3 height of the outer pot body, and drainage holes are located in the pot bottom ends of the inner pot body and the outer pot body. The planting pot provided by the utility model is of a double-layer structure consisting of the inner pot body and the outer pot body, and has a certain heat insulation effect. The outer pot body is white and can reflect sunlight, heat absorption of the pot body is reduced, and damage of high temperature in summer to roots is avoided. The color of the inner pot body is black, and black can restrain growth of algae and promote the light-proof environment of the root system at the same time.

The invention discloses a drug-algae symbiotic floating bed system and a resource circulating device. The drug-algae symbiotic floating bed system comprises a drug-algae symbiotic floating bed system and a resource circulating device, wherein the drug-algae symbiotic floating bed system adopts high-temperature carbonization and soil improvement; the medicine-algae symbiotic floating bed system adopts a three-layer three-dimensional architecture layout for traditional Chinese medicine planting, and comprises a bottom layer, a middle layer and an upper layer; the resource circulation device comprises a sensor unit, a decision support unit, an execution control unit and an algae-drug symbiotic resource circulation unit. Wastewater containing a large amount of nitrogen, phosphorus and potassium generated in the algae growth process is fully applied to the traditional Chinese medicine planting part, and waste generated in the traditional Chinese medicine planting process is used for composting to fertilize soil, so that the effects of stabilizing the ecological environment, reducing excessive use of chemical fertilizer and water resources, reducing emission of traditional Chinese medicine planting waste and fixing carbon dioxide are achieved.

A method of controlling odor where the odor is generated by sources like decomposing organic matter in landfills or other sources is provided. A wood vinegar-containing solution, adjusted for the source of the odor, can be applied to the source of the odor. A method of improving the rate and completeness of settling of fine clays from oil sands tailings is also provided. Additional disclosure of a method of controlling algae bloom in a body of water is disclosed. The method includes the steps of providing a wood vinegar-containing solution, adjusting the composition of the wood vinegar-containing solution according to the states of both the body of water and the algae, respectively, then applying the wood vinegar-containing solution to the surface of a body of water, and inhibiting growth of the algae responsible for the algae bloom.