45 results about "Haematococcus" patented technology

The invention belongs to the technical field of organic matter extraction, and particularly relates to a green directional extraction and purification method for haematococcus astaxanthin, which comprises the following steps: (1) mixing dried haematococcus powder and a composite pretreatment agent according to a mass ratio of 1: (8-15), and stirring to obtain a pretreated algae solution; (2) treating the pretreated algae liquid through ultrahigh-pressure microjet equipment to obtain wall-broken slurry; (3) mixing the wall-broken slurry and a composite extraction agent according to a volume ratio of 1: 3-1: 5, and performing extraction separation to obtain an astaxanthin extraction phase; (4) carrying out selective adsorption on the astaxanthin extraction phase through an adsorption column filled with a molecular imprinting adsorbent; (5) collecting eluent by adopting a gradient elution method; and (6) performing vacuum concentration on the eluent, and performing spray drying to obtain an astaxanthin product. According to the method, the astaxanthin extraction efficiency and the product purity are remarkably improved, meanwhile, the energy consumption is reduced to the maximum extent, toxic solvent residues are avoided, and the stability of the astaxanthin is effectively protected.

Recipe for a double microencapsulated powder, characterized in that the recipe comprises the following components in parts by weight: 5-60 parts by weight of core material of group A, 5-40 parts by weight of core material of group B, 5-16 parts by weight of protein shell material, 3-19 parts by weight of polysaccharide shell material, 0.1-2 parts by weight of immobilizing enzyme, 1-10 parts by weight of filler, 1-4 parts by weight of pH regulator and 0-2 parts by weight of antioxidant.

The invention belongs to the technical field of haematococcus separation, and particularly relates to a method for sequentially separating polysaccharide and phycoerythrin from a haematococcus degreased algae residue water extract, and the method comprises the following steps: S1, pretreatment, S2, deep flocculation and primary separation of polysaccharide, and S3, specific precipitation of phycoerythrin. According to the method, a set of sequential separation process is constructed by adopting a self-made hydrophobic flocculant and a composite precipitation inducer, so that a high-purity polysaccharide product and a high-activity phycoerythrin concentrated solution can be synchronously obtained from a haematococcus degreased algae residue water extract. According to the method, deep flocculation of polysaccharide, specific precipitation of phycoerythrin and respective subsequent refining steps are integrated into an ordered whole process, so that the product in the previous step can be directly treated in the next step in an optimal state, and the loss possibly caused by storage and transfer of intermediate materials is reduced; through condition matching and cooperation among the steps, the purity of the final product is improved.

The application belongs to the technical field of natural substance separation and extraction, and particularly relates to a kind of Haematococcus pluvialis multi-product cascade separation method based on eutectic solvent sequential extraction and enzyme membrane reactor coupling, comprising the following steps: (1) cell wall weakening pretreatment step; (2) water-soluble component extraction step; (3) pigment component extraction step; (4) astaxanthin extraction step; (5) enzyme conversion step. Through the synergistic effect of eutectic solvent sequential extraction and enzyme membrane reactor, efficient, green and continuous cascade separation of water-soluble components, pigments, astaxanthin and xylo-oligosaccharides in Haematococcus pluvialis is realized, and product purity and resource utilization are improved.

The present invention relates to a method for preparing a tropical fish feed by using brine shrimp, and a tropical fish feed prepared thereby, and, more specifically, to: a method for preparing a tropical fish feed by using brine shrimp, and a tropical fish feed prepared thereby, the method feeding spirulina and Haematococcus to hatched brine shrimp to prepare a tropical fish feed, and thus can promote the growth of tropical fish, boost the immune system and improve the consumption, digestion, absorption and palatability for tropical fish.

This invention discloses a lipophilic yeast strain for synthesizing astaxanthin (Yersinia lipophila). Yarrowia lipolytica This invention relates to an engineered strain, its construction method, and its application. The engineered strain is a *Yersinia lipolytica* strain carrying CrtZ and CrtW. The invention utilizes genetic engineering methods to introduce a *Yersinia lipolytica* strain derived from *Rhodochophora* into a β-carotene-producing strain via genetic engineering. Haematococcus Pluvialis The β-carotene hydroxylase encoding gene (HpCrtZ) originates from the genus Paracoccus ( Paracoccus sp. The gene encoding β-carotene ketolase (PsCrtW) and the gene derived from Saccharomyces cerevisiae (Saccharomyces cerevisiae) Saccharomyces cerevisiae The method involves obtaining a genetically engineered *Yersinia lipolytica* strain that produces astaxanthin by constructing a fusion enzyme complex and fusing it with peroxisomes, endoplasmic reticulum, and lipid droplet-targeting signal peptides to obtain a *Yersinia lipolytica* strain with higher astaxanthin yield. The astaxanthin-producing genetically engineered strain constructed in this invention achieved an astaxanthin yield of 1.43 g / L in a 5 L bioreactor after pH control and continuous feeding optimization.

The invention discloses a haematococcus culture method based on a flexible LED array and a photobioreactor, and relates to the field of bioengineering, and the method comprises the following steps: preparing an SE culture medium according to the growth requirements of haematococcus; pumping the SE culture medium into the sterilized and cooled photobioreactor to a working volume through a sterile pipeline; the photobioreactor is started, sterile air with set flow is introduced, and mild stirring is carried out. According to the invention, the flexible LED array is adopted to surround the transparent reaction inner cavity, so that three-dimensional light distribution is realized, illumination dead angles are eliminated, and the light receiving uniformity of cells is greatly improved; an OD680-target light intensity linear curve is fitted through a pre-experiment, a reactor controller and an LED driving module are combined, light intensity automatic linear adjustment is achieved, light damage is avoided, and the photosynthetic efficiency is greatly improved compared with a traditional rigid LED. The photobioreactor realizes integrated control of illumination and ventilation, reduces manual operation, reduces pollution risk, is stable in product content among batches, and meets the requirements of industrial large-scale production.

The invention discloses an acetate-resistant domesticated algal strain HpAc50 and an application thereof. The algal strain is preserved in the China Center for Type Culture Collection on January 12, 2026, and the preservation number is CCTCC M 202690. The haematococcus pluvialis strain is obtained by carrying out acetate-resistant domestication on haematococcus pluvialis and can be cultured under the condition that the acetic acid concentration is 0-10g / L, and the yield of astaxanthin is effectively increased. The invention specifically provides three application conditions: illumination of 0-5000lux and a full-nutrient culture medium; illumination is performed at 0-5000 lux, a nitrogen-phosphorus-deficient culture medium is adopted, and an exogenous stimulant is added According to the present invention, with the application of the strain, the cell density, the biomass and the astaxanthin accumulation can be significantly improved under the conditions of illumination of 5000-15000 lux and nitrogen and phosphorus deficiency culture medium, such that the strain has strong acetate tolerance and strong production performance compared with the wild type strain, and is suitable for the large-scale astaxanthin production.

The invention provides a method for removing hexavalent chromium ions in a water body, and relates to the technical field of treatment of wastewater containing heavy metal ions, and the method comprises the following steps: providing haematococcus pluvialis, activating the haematococcus pluvialis, and separating and purifying the haematococcus pluvialis; the method comprises the following steps: providing a culture medium and a hexavalent chromium ion-containing water body, adding the hexavalent chromium ion-containing water body into the culture medium to prepare the hexavalent chromium ion-containing culture medium, and culturing the purified haematococcus pluvialis by using the hexavalent chromium ion-containing culture medium. The purified haematococcus pluvialis grows on a culture medium containing hexavalent chromium ions, astaxanthin and beta carotene with high content are generated in cells, the cells have high reducing capacity, and high-valence Cr (VI) is reduced into Cr (III), so that the content of Cr (VI) in a water body is reduced, and the toxicity of high-valence chromium ions to algae cells is reduced.

The application discloses a haematococcus cultivation dissolved oxygen coupling regulation method for a corrosion-resistant photoreactor, relates to the field of bioengineering, and builds a photoreactor and a matching regulation system made of a corrosion-resistant material; a special improved BG-11 culture medium for haematococcus is prepared and is injected into the photoreactor; a dynamic method is used to calibrate the oxygen transfer coefficient under different aeration rates, a ternary equation of light intensity, cell density and oxygen production rate is fitted in combination with the photosynthetic characteristics of haematococcus, and a dissolved oxygen dynamic prediction basic model is established. The photoreactor and the matching regulation system made of the corrosion-resistant material are built, the interference of material dissolution on the culture medium is effectively avoided, and the stability of the haematococcus cultivation environment is ensured. The oxygen transfer coefficient calibrated based on the dynamic method is combined with the ternary fitting equation of light intensity, cell density and oxygen production rate, a dissolved oxygen dynamic prediction basic model is constructed, and model prediction control and reinforcement learning intelligent agents are combined, so that precise coupling regulation of dissolved oxygen is realized.

The invention belongs to the technical field of microalgae culture, and particularly provides an improved culture solution for haematococcus pluvialis culture and a preparation method thereof. The culture solution is prepared from 1.5 to 2.5 mg / L of alpha-cyclodextrin embedded sodium acetate, 0.5 to 0.5 mg / L of cobalt nitrate hexahydrate, 0.05 to 1 mg / L of copper sulfate, 0.3 to 0.9 mg / L of zinc sulfate heptahydrate, 1.5 to 2.5 mg / L of manganese chloride tetrahydrate, 3 to 7 mg / L of boric acid, 8 to 20 mg / L of sodium carbonate, 10.0 to 20.0 mg / L of disodium hydrogen phosphate dihydrate, 1200 to 1400 mg / L of sodium nitrate, 0.5 to 3 mg / L of EDTA (Ethylene Diamine Tetraacetic Acid), 20 to 50 mg / L of calcium chloride, 70 to 100 mg / L of magnesium sulfate heptahydrate, 50 to 80 mg / L of monopotassium phosphate trihydrate, 0.5 to 1.0 mg / L of ferrous sulfate heptahydrate and 0.01 to 0.03 mg / L of ammonium molybdate tetrahydrate. According to the invention, alpha-cyclodextrin is introduced to embed sodium acetate, ferrous sulfate heptahydrate and ammonium molybdate tetrahydrate are added, and a sodium carbonate-disodium hydrogen phosphate-potassium dihydrogen phosphate composite buffer system is constructed, so that the problem of easy imbalance of traditional carbon source supply is solved, and the defect of single and short elements of a traditional formula can be overcome; pH fluctuation caused by cell metabolism acid production during high-density culture can be effectively coped with, it is ensured that cells are always in a suitable acid-base environment, and nutrient absorption and metabolism pathways are stabilized.

The application belongs to the field of algal resource utilization and bioengineering technology, and specifically discloses a method for collecting Haematococcus pluvialis cells by using organic flocculation, and the specific steps are as follows: after Haematococcus pluvialis is completely converted into red spores, cassava starch is first added into the algal liquid, 80 mg of cassava starch is added into each liter of the algal liquid, uniform stirring is performed, and standing is performed for 2 hours; then, sodium alginate / chitosan composite flocculant is added into the algal liquid, 40 mg of the sodium alginate / chitosan composite flocculant is added into each liter of the algal liquid, uniform stirring is performed, standing is performed for 1 hour, the precipitate is collected, and Haematococcus pluvialis cells are obtained. The cassava starch and the sodium alginate / chitosan composite flocculant used in the application can significantly improve the flocculation rate of Haematococcus pluvialis, are non-toxic, environmentally friendly, easy to degrade, and low in cost; the method is simple to operate, difficult to apply in industrialization on a large scale, and has a wide market application prospect.

The invention discloses a directional domestication method of anti-pollution algae species of haematococcus, and relates to the field of microbial breeding, key domestication indexes comprise specific growth rate, photochemical quantum yield, astaxanthin content and intracellular pollutant concentration; inputting the domestication key indexes into a resistance comprehensive scoring model, and outputting a resistance comprehensive score; and the pollutant concentration adjustment algorithm comprehensively scores according to the resistance of the current domestication period. According to the method, the resistance comprehensive scoring model is constructed, so that traditional qualitative resistance evaluation is upgraded to quantitative scoring. Scoring can objectively and comprehensively reflect the comprehensive resistance of the algal population, the problem of bifamily algal species caused by single index screening is avoided, and it is ensured that the finally obtained algal species have the anti-pollution capacity and the economic value at the same time. Whether the resistance comprehensive score reaches a target value or not is taken as a feedback signal, the pollutant concentration of the next period is automatically adjusted, the pressure is properly increased when the algal population is excellent in performance, and the pressure is timely reduced when the algal population is poor in performance. Compared with a traditional fixed gradient mode, the dynamic regulation and control mode can shorten the domestication period.

This invention relates to the field of Haematococcus pluvialis cultivation technology, specifically to a rainwater runoff collection and management system for an open Haematococcus pluvialis pond. The system includes a canopy, and several water collection mechanisms arranged side-by-side on both sides of the open pond. Each water collection mechanism includes a water collection pipe located at the bottom of the sloping surface of the canopy, a diversion pipe connected in the middle of the water collection pipe, and a water storage tank connected at the bottom of the diversion pipe. This invention achieves a normally closed seal of the water collection pipe by using an arc-shaped drain rod driven by a float to block the water collection trough, ensuring the quality of collected rainwater from the source. By using a diversion ball valve with a three-way diversion channel driven by a servo motor, combined with a water quality monitoring unit and a control unit, real-time judgment and diversion of water quality are achieved. This results in the automatic discharge of heavily polluted initial rainwater and the collection of only high-quality mid-to-late-stage rainwater, significantly improving the quality of recycled water resources.

The invention discloses a high-light-resistant algal strain high-speed screening method and system based on micro-fluidic single cell sorting, and relates to the field of bioengineering.The high-light-resistant algal strain high-speed screening method comprises the steps that haematococcus free cells in the logarithmic phase are taken and added into a double-fluorescence probe mixed solution, and incubation is conducted in a dark place to obtain a haematococcus solution; bBM sheath fluid and haematococcus fluid are introduced into a sample introduction area of the micro-fluidic chip, the BBM sheath fluid and the haematococcus fluid are focused by the sample introduction area and then enter a highlight stress area, highlight treatment is carried out to induce motile cells to be transformed into spores, and the transformed cells enter a detection area. Through in-situ high light stress and single cell continuous sorting of the micro-fluidic chip, the sorting efficiency is high, and the screening period is greatly shortened; three parameters of chlorophyll fluorescence, astaxanthin fluorescence and forward scattering light are adopted for cooperative detection, and a threshold value which is quantitatively set based on a control group is combined, so that the proportion of a false positive strain is reduced to be less than 5%, and the screening accuracy of a double-superior strain is greatly improved; the microfluidic chip is extremely low in single reagent consumption, greatly reduces the screening cost of single strains, and is easy for large-scale popularization and application.

The invention relates to the technical field of haematococcus production equipment, in particular to a haematococcus fresh algae heavy metal cleaning device and a circulating cleaning process, the haematococcus fresh algae heavy metal cleaning device comprises a stirring tank and a tubular centrifuge arranged below the stirring tank, and a circulating device is further arranged below the stirring tank; the circulating device comprises a pair of mixing tanks, an adjusting part arranged on the outer wall of the mixing tank on the left side, a liquid passing part arranged between the pair of mixing tanks, a filtering part and a liquid pump. According to the haematococcus fresh algae heavy metal cleaning device and the cyclic cleaning process, through cooperative linkage of the adjusting part driven by the first electric push rod and the second electric push rod and the liquid passing part, automation of self-adaptive adjustment of the extraction height, intelligent opening and closing of a pipeline and state switching of the filtering unit is achieved; the intermittent operation depending on manual transfer, dosing and monitoring in the traditional process is replaced, and the stability and controllability of production are improved.

The invention relates to the technical field of astaxanthin measuring equipment, in particular to a method for rapidly measuring the content of astaxanthin in haematococcus, which is characterized in that a supporting bin and a driving mechanism arranged in the supporting bin are matched with a liquid separation part, and liquid in a homogenizing cup is subpackaged into a rotating part; the driving mechanism comprises an electric push rod, a supporting frame driven by the electric push rod, a protruding rod arranged on the outer wall of the supporting frame, a bending plate sliding in the supporting bin and a toothed plate moving along with the bending plate. According to the method for rapidly determining the content of astaxanthin in haematococcus, automatic switching of sub-packaging stations and continuity of sample treatment are achieved through linkage of a rotating part and a driving mechanism, a toothed plate can be meshed with ring teeth during transverse movement, a rotating shaft and a rotating disc are driven to rotate at a fixed distance through a ratchet wheel and pawl mechanism, and the content of astaxanthin in haematococcus is determined. A new centrifugal tube is moved to the position below the lower through tube, it is ensured that manual intervention is not needed for tube replacement in the liquid separation process, and high-flux continuous operation is achieved.

This invention provides a method for extracting astaxanthin from Haematococcus pluvialis and its application. The method includes the following steps: S1. Raw material pretreatment; S2. Enzymatic hydrolysis with a complex enzyme; S3. Solubilization with a surfactant; S4. Adsorption by iron(III) oxide-cellulose porous microspheres; S5. Magnetic separation and washing; S6. Astaxanthin elution and microsphere recovery; S7. Concentration and drying. This invention utilizes a complex enzyme consisting of cellulase, alginate lyase, and mannanase to synergistically hydrolyze the multilayer polysaccharide structure of thick-walled spores of Haematococcus pluvialis, thereby fully releasing astaxanthin. Furthermore, iron(III) oxide-cellulose porous microspheres with benzyl and octyl surface modifications are used for highly selective adsorption of astaxanthin, combined with magnetic separation technology, thus improving the astaxanthin yield. The extraction process of this invention is carried out under medium-low temperature conditions, and butylated hydroxytoluene is added to the eluent, effectively avoiding thermal degradation, photolysis, and oxidation of astaxanthin, resulting in a high retention rate of antioxidant activity in the obtained astaxanthin.

An object of the present invention is to provide an eye care composition which can be produced with a reduced risk of failure during production by not using a bilberry extract raw material, has good formulation stability, and can be reduced in dosage.SOLUTION: The above object can be achieved by an eye care composition comprising a Haematococcus alga extract, a marigold extract, a propolis extract and vitamin A as active ingredients, and an eye care composition comprising astaxanthin, lutein, zeaxanthin, a propolis extract and vitamin A as active ingredients.SELECTED DRAWING: None

The utility model belongs to the technical field of aquaculture equipment, and discloses an outdoor haematococcus culture glass tube quick connector which comprises connecting sleeve bodies, the connecting sleeve bodies are distributed in a mirror symmetry mode, and glass tube inserting end parts are arranged on the opposite sides of the connecting sleeve bodies in a penetrating mode. An outer inserting magnetic ring is arranged at the end, close to the connecting sleeve body on the other side, of the connecting sleeve body on one side, an inner inserting magnetic ring is arranged in the end, close to the connecting sleeve body on one side, of the connecting sleeve body on the other side, and an inserting groove is formed between the inner wall of the connecting sleeve body on the other side and the inner inserting magnetic ring. According to the connecting sleeve, instant and rapid connection of the two glass tubes is successfully achieved, the installation efficiency is greatly improved, the original connection operation which may consume tens of minutes is greatly shortened to several seconds, the building time of a breeding system is remarkably shortened, and the construction cost of the breeding system is reduced. The sealing performance creates an extremely stable and clean growth environment for haematococcus, and the pollution risk caused by leakage is reduced to the minimum.

The application discloses a kind of dual-tube haematococcus pluvialis culture systems utilizing thermoelectricity, including dual-tube photosynthetic biological reactor, thermoelectricity tube, cooling water circulating device;Dual-tube photosynthetic biological reactor includes culture inner tube, culture outer tube, culture inner tube is located in culture outer tube, culture inner tube, culture outer tube is made of transparent material;Thermoelectricity tube includes power generation inner tube, power generation outer tube, power generation inner tube is located in power generation outer tube, and power generation inner tube outer tube wall is equipped with power generation module;Cooling water circulating device is communicated with power generation outer tube;Culture inner tube liquid outlet is communicated with culture outer tube liquid inlet, culture outer tube liquid outlet is communicated with power generation inner tube liquid inlet, and power generation inner tube liquid outlet is communicated with culture outer tube liquid inlet, and algae liquid can circulate and flow between culture outer tube and power generation inner tube.The green stage and red stage culture are unified in one light biological reactor in the application, and thermoelectricity is realized, water resource is better utilized, and the cascade utilization of light energy and CO2 is also realized.

The utility model provides an adjustable haematococcus pluvialis culture frame which comprises a base frame assembly and a pipeline supporting mechanism, and the base frame assembly comprises a supporting box frame, two fixing bases and a ventilation net; wherein the two fixed bases are fixedly connected to the bottom of the supporting box frame; according to the utility model, the haematococcus pluvialis culture glass tube is fixed on one side of the pipeline supporting mechanism by utilizing the pipeline fixing mechanism, then illuminance data is detected by utilizing the photosensitive sensors distributed in a matrix, and then the illuminance data is detected by utilizing the microprocessor according to the data detected by the photosensitive sensors by utilizing a preset algorithm. The angle, needing to be adjusted, of the glass tube is calculated, the electric push rod is started to work, the overall angle of the pipeline supporting mechanism is adjusted, the overall angle of the culture frame can be adjusted according to the change of the solar altitude, illumination is fully utilized, it is guaranteed that the algae liquid can obtain sufficient illumination all the time, and the culture efficiency is improved. Therefore, the culture efficiency and the astaxanthin content of the haematococcus pluvialis are improved.

The present application relates to the technical field of haematococcus pluvialis breaking wall, specifically, it relates to a new haematococcus pluvialis breaking wall device, including two first breaking wall barrels, a second breaking wall barrel is arranged below the middle of the two first breaking wall barrels, a rolling assembly for secondary haematococcus pluvialis breaking wall is arranged above the middle of the second breaking wall barrel, the rolling assembly includes a shaft, a movable sleeve slidingly connected with the top end of the shaft and four linkage structures regularly arranged in the form of a ring on the sidewall of the movable sleeve. The device performs secondary breaking wall on haematococcus pluvialis by setting the first breaking wall barrel, the second breaking wall barrel and the rolling assembly, and improves the breaking wall effect; meanwhile, the device makes the haematococcus pluvialis after the first breaking wall enter the second breaking wall barrel in batches to avoid too much haematococcus pluvialis entering the filter barrel at a time, which causes the breaking wall to be impossible; in addition, the vibration structure is arranged to knock the filter barrel while the secondary breaking wall is performed, which avoids haematococcus pluvialis blocking the filter barrel and affects the breaking wall filtering efficiency.

The invention relates to the technical field of haematococcus pollution detection equipment, in particular to a rapid detection method for haematococcus microbial pollution, and rapid detection of haematococcus microbial pollution is completed through a detection box, and a driving mechanism, a placing mechanism and an injection device which are arranged in the detection box. According to the rapid detection method for haematococcus microbial contamination, reciprocating motion of the sliding plate enables the movable frame and the reagent tubes on the movable frame to be conveyed to all stations in a stepping mode through meshing and disengaging of the shifting block and the shifting groove, a pure mechanical linkage mode replaces a servo control system, the structure is compact, meanwhile, the equipment cost and complexity are reduced, and the detection efficiency is improved. And meanwhile, the consistency of retention time of each sample in heating and detection links is ensured, and the accuracy of a detection result is ensured.

The present application belongs to the technical field of red claw crayfish breeding, and particularly relates to a fermented feed for improving the quality and immunity of red claw crayfish and a preparation method thereof. The fermented feed for improving the quality and immunity of red claw crayfish is prepared by fermenting the following raw materials in parts by weight: 15-25 parts of imported fish meal, 12-20 parts of fermented soybean meal, 5-8 parts of shrimp shell powder, 3-6 parts of spirulina powder, 5-10 parts of corn gluten meal, 10-15 parts of high-gluten flour, 3-5 parts of yeast extract, 2-4 parts of soybean phospholipid, 3-5 parts of fish oil, 1-2 parts of calcium dihydrogen phosphate, 1-2 parts of multi-vitamin and multi-mineral, 0.1-0.3 parts of beta-glucan, 2-5 parts of compound probiotic fermentation agent, and 32-40 parts of water. The compound probiotic fermentation agent is prepared by mixing Haematococcus pluvialis, Bacillus circulans and marine Rhodotorula in a mass ratio of 3-5:3-4:2-3. The fermented feed of the present application can significantly improve the body color, muscle quality and immunity of the crayfish.

The present invention relates to a strain of microalgae belonging to the genus Haematococcus with a high astaxanthin yield, and to a method for producing astaxanthin; in particular, the invention relates to a strain of the microalga Haematococcus pluvialis comprising at least 5% astaxanthin by weight relative to the total weight of Haematococcus pluvialis dry matter.

The application discloses Haematococcus cultivation light system and control method based on edge control, relates to the technical field of Haematococcus cultivation light control, and comprises a plurality of sensor monitoring modules, a plurality of edge controllers, a plurality of lighting units and a digital twin monitoring platform. The application can dynamically adjust light intensity according to the actual growth state of algae, and avoid the problems of algae growth inhibition or insufficient astaxanthin accumulation caused by the traditional fixed light control mode. All Haematococcus cultivation is divided into multiple areas for more detailed control, an edge controller is arranged in each set area range, and the edge controller can optimize the light mode in the area range based on real-time data analysis. The digital twin monitoring platform collects the data of the sensor monitoring module and the edge controller in real time, establishes a three-dimensional digital model of Haematococcus growth, and realizes real-time visual monitoring.

The invention relates to the technical field of haematococcus culture, in particular to a low-heavy-metal-content composite culture medium multi-stage filtering device for haematococcus culture, which comprises a filtering tower, a filtering bin is arranged close to the top in the filtering tower, a plurality of placing trays are arranged in the filtering tower, and a disturbance assembly and a floating assembly are arranged in the middle in the filtering tower; the disturbance assembly comprises a rotating drum in the middle, two fan blades coaxially fixed to the top end and the bottom end of the rotating drum and a fixing rod coaxially arranged in the rotating drum, a plurality of sets of rollers are arranged on the side wall of the rotating drum, a plurality of shovel plates are fixed to the outer edges of the rollers along the drum walls, the floating assembly comprises a plurality of floating balls and connecting rings, and connecting rods are fixedly connected to the upper portions of the floating balls. According to the device, chelating resin particles are disturbed by arranging the disturbance assembly, so that the chelating resin particles make uniform contact with the composite culture medium, uneven adsorption is avoided, the liquid level of the composite culture medium is monitored by arranging the floating assembly, and backflow is avoided.

The invention relates to the technical field of haematococcus culture, in particular to a chelating agent-based haematococcus culture solution heavy metal passivation device which comprises a buffer tank for collecting a culture solution, a power box arranged below the bottom of the buffer tank and a stirring barrel arranged in the buffer tank, a plurality of feeding barrels are arranged at the top of the buffer tank and are configured into an acid and alkali liquor feeding barrel, a chelating agent feeding barrel and a flocculating agent feeding barrel; the device further comprises a central control unit, and the central control unit controls the amount of the chelating agent released by the chelating agent feeding barrel according to detection information of the heavy metal concentration sensor. By arranging the integrated buffer tank and the step-by-step adding system, pretreatment and precise reaction of the culture solution are completed, and the effect of preventing heavy metal poison from the source is achieved; by arranging a linkage mechanism of the detection tank and the return pipeline, the technical effect of terminal verification and guarantee of the effluent quality is achieved.