CN210193886U - A high-efficiency closed marine microalgae culture photobioreactor - Google Patents

Abstract

The utility model discloses a high-efficiency closed type marine microalgae culture photobioreactor, which comprises a base, an outer cylinder, an inner cylinder, a top cover, an aeration pipe, an air outlet, a protrusion, a plant light source lamp, a power control switch, a cleaning spray head, an air vent, a sampling port, a discharge pipe, a discharge valve, a pH and salinity display, a pH and salinity sensor and an automatic temperature controller; the utility model discloses a barrel is made by transparent material such as ya keli material, and the plant light source lamp is arranged in the interior cylinder of high luminousness, and the bottom is protruding to make light form diffuse reflection in the barrel, has improved the utilization ratio of light energy; plant light source lamp sets up at the reactor center, and illumination intensity is high and even, and the light source absorption utilization degree is high, is showing and is reducing the energy consumption, the utility model has the advantages of area is little, can realize that three-dimensional cultivation, easy and simple to handle high-efficient, little algae growth rapid stabilization, unit water algae output are high, algae cell purity height is difficult for polluting.

Description

High-efficient closed marine microalgae cultivates photobioreactor

Technical Field

The utility model relates to a high-efficient closed marine microalgae cultivates photobioreactor.

Background

The marine microalgae are autotrophic plants which are widely distributed in the ocean, rich in nutrition and high in photosynthetic utilization rate, and polysaccharides, proteins, pigments and the like generated by cell metabolism have good development prospects in the fields of aquatic seedling culture and cultivation, food, medicines, genetic engineering, liquid fuel and the like. Marine microalgae are widely used in aquaculture as excellent natural baits, and are the main food sources for various mollusks, crustacean larvae and zooplankton (such as rotifers). The economic value of the marine microalgae is reflected in the bait, the researches in recent years find that various microalgae have anti-tumor and antibacterial active substances, and the discovery of new active ingredients of the marine microalgae provides a new medicine development direction for human beings. However, the conventional photobioreactor has the following disadvantages when culturing microalgae:

1. the light energy utilization rate is not high. The lighting modes of the photobioreactor mainly include outdoor direct lighting and artificial light source lighting. Outdoor lighting has the defects of low light rate, large light energy loss and incapability of ensuring supply at night. The adoption of an artificial light source has the defect of large consumption of electric energy, and is not beneficial to reducing the cost of large-scale culture of the microalgae.

2. The open culture mode easily causes the pollution of microalgae by other miscellaneous algae and pathogens, influences the purity, yield and stability of culture, and cannot realize stable, high-quality and high-yield.

3. The utilization rate of carbon dioxide is not high. CO absorption is needed in the process of microalgae culture₂Photosynthesis is carried out, so that a large amount of dispersed CO is required to be supplied when industrial cultivation of microalgae is carried out₂Used as raw material for photosynthesis of microalgae. At present, a pipeline system with an outlet is mostly adopted to introduce air into the microalgae suspension, but CO is cultured by the method₂The solubility in the culture solution is low, the bubble diameter is large, the retention time is short, and the algae absorption is not facilitated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-efficiency closed type marine microalgae culture photobioreactor.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model discloses a high-efficient closed marine microalgae cultivates photobioreactor, including base, outer cylinder, inner cylinder and top cap, outer cylinder and inner cylinder are all vertically installed on the base, and the inner cylinder is located the inside of outer cylinder, and the central line coincidence of outer cylinder and inner cylinder still is equipped with temperature automatic regulating apparatus on the outer cylinder inner wall;

a top cover is freely placed on the outer cylinder, and a circle with the diameter of the inner cylinder is missing at the position of the top cover corresponding to the inner cylinder, so that the inner cylinder penetrates through the top cover;

the upper end surface of the base is provided with a circular aeration pipe surrounding the inner cylinder, and the wall of the aeration pipe is uniformly provided with a plurality of air outlets at intervals; the upper end surface of the base is positioned between the outer cylinder and the inner cylinder and is also provided with a plurality of bulges;

and a plant light source lamp is arranged in the inner cylinder, a power supply control switch is arranged on the upper part of the inner wall of the inner cylinder, and the plant light source lamp is electrically connected with the power supply control switch.

Preferably, the top cap is equipped with 4 washing shower nozzles, 4 washing shower nozzles interval evenly distributed, and the distance with the top cap center is the same.

Preferably, 8-10 vent holes are uniformly distributed in the top cover, and the diameter of each vent hole is 1-2 cm.

Preferably, the lower part of the outer cylinder is provided with a sampling port.

Preferably, the base is provided with a discharge pipe, and a discharge valve is arranged on the discharge pipe.

Preferably, the outer cylinder, the inner cylinder and the top cover are all made of transparent materials.

Preferably, the transparent material is an acrylic high-transparency material.

Preferably, the base is also provided with a pH and salinity display, and the pH and salinity display is connected with the pH and salinity sensor arranged on the inner wall of the outer cylinder.

Preferably, the automatic temperature adjusting device is an automatic temperature controller.

The utility model discloses owing to adopted above-mentioned technical scheme, possess following advantage:

1. the cylinder body of the utility model is made of acrylic high-transparency material, the plant light source lamp is arranged in the inner cylinder with high light transmittance, and the projection at the bottom enables the light to form diffuse reflection in the cylinder body, thereby improving the utilization rate of light energy; the plant light source lamp is arranged in the center of the reactor, the illumination intensity is high, the distribution is uniform, the utilization degree of the effective light source is high, and the energy consumption is obviously reduced.

2. The circular annular nano material aeration pipe of the utility model is provided with a plurality of small air outlets, thus prolonging CO₂The retention time in the culture solution can be formed at the same timeThe airflow is increased, the circulating flow of various nutrient salt substances is promoted, the temperature is balanced, the attaching probability of the microalgae on the barrel wall is reduced, good effects of mixing the algae liquid, supplementing an inorganic carbon source and removing supersaturated oxygen can be achieved, and the adverse effect of the supersaturated oxygen on algae cells is reduced; the reactor is internally provided with an automatic temperature controller which is used for adjusting the temperature of the algae liquid and is beneficial to the growth of the microalgae in the optimum temperature range.

3. The plant light source lamp in the inner cylinder body is controlled by the power control switch, so that the requirements of different marine microalgae on the illumination intensity can be met; the base is provided with a discharge pipe and a discharge valve, so that the culture algae liquid can be conveniently and quickly collected; the sampling port at the lower part of the outer cylinder is convenient for sampling and detecting the growth condition, concentration and purity of the microalgae at any time in the culture process.

4. The top cover is provided with a plurality of vent holes, which is convenient for discharging redundant oxygen in the culture algae liquid and can also be conveniently filled with culture nutrient solution or other preparations; the pH and salinity sensors and the pH and salinity display can display the pH value and salinity of the algae liquid in real time, and operators can conveniently add preparations for adjusting the pH value and the salinity in time.

5. The utility model discloses still set up 4 washing shower nozzles at the top cap, it is effectual to spray, need not artifical jetting wall built-up thalli, has effectively ensured the cleanliness factor of outer cylinder inner wall and interior cylinder outer wall.

To sum up, the utility model has the advantages of area is little, can realize that three-dimensional cultivation, easy and simple to handle high-efficient, little algae growth rapid stabilization, unit water algae output are high, algae cell purity is high difficult for polluting, is showing to have improved little algae cultivation efficiency, and the practicality is good, is suitable for popularization and application in aquaculture bait and food industry marine microalgae cultivation, also provides the condition for further development research marine microalgae resource.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of theaeration tube 5 of fig. 1.

In the drawings: 1-a base; 2-an outer cylinder; 3-inner cylinder; 4-a top cover; 5-an aerator pipe; 6-air outlet holes; 7-protrusion; 8-plant light source lamp; 9-power control switch; 10-cleaning the spray head; 11-a vent hole; 12-a sampling port; 13-a discharge pipe; 14-a discharge valve; 15-pH and salinity display; 16-pH and salinity sensors; 17-automatic temperature controller.

CO not shown in the figures₂Air pump, water pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in the figure, the high-efficiency closed type marine microalgae culture photobioreactor comprises abase 1, anouter cylinder 2, aninner cylinder 3 and a top cover 4, wherein theouter cylinder 2, theinner cylinder 3 and the top cover 4 are all made of acrylic high-transparency materials; theouter cylinder 2 and theinner cylinder 3 are both vertically arranged on thebase 2, theinner cylinder 3 is positioned inside theouter cylinder 2, the central lines of theouter cylinder 2 and theinner cylinder 3 are superposed, the inner wall of theouter cylinder 2 is also provided with anautomatic temperature controller 17, and the lower part of theouter cylinder 2 is provided with asampling port 12; a top cover 4 is freely placed on theouter cylinder 2, a circle with the diameter of theinner cylinder 3 is lost at the position, corresponding to theinner cylinder 3, of the top cover 4, and theinner cylinder 3 penetrates through the top cover 4; the upper end face of thebase 2 is provided with acircular aeration pipe 5 surrounding theinner cylinder 3, theaeration pipe 5 in the embodiment is a commercially available nanotube microporous aeration pipe, and a plurality ofair outlets 6 with the diameter of 0.03mm are uniformly arranged on the wall of theaeration pipe 5 at intervals; the upper end surface of thebase 1 is positioned between theouter cylinder 2 and theinner cylinder 3 and is also provided with a plurality ofbulges 7; thebase 1 is provided with adischarge pipe 13, and thedischarge pipe 13 is provided with adischarge valve 14; thebase 1 is also provided with apH display 15, and thepH display 15 is electrically connected with apH sensor 16 arranged on the inner wall of theouter cylinder 2; be equipped with plant light source lamp 8 ininterior cylinder 3, adopt the white plant light source lamp of yellow blue in this embodiment,inner cylinder 3 inner wall upper portion is equipped with power control switch 9, plant light source lamp 8 and power control switch 9 electric connection. The top cover 4 is provided with 4cleaning nozzles 10, and the 4cleaning nozzles 10 are uniformly distributed at intervals and have the same distance with the center of the top cover 4; the top cover 4 is also provided with 8vent holes 11 uniformly, and the diameter of eachvent hole 11 is 2 cm.

During the use, take off top cap 4, put into in theouter drum 3 and cultivate nutrient salt solution and high-purity little algae kind, then on returningouter drum 2 with top cap 4 lid, use power control switch 9 control plant light source lamp 8's illumination intensity, the diffuse reflection of light can be improved to thearch 7 on thebase 1, improves the utilization ratio that plant light source lamp 8 sent light, andaeration pipe 5 and outside CO₂The air pump is communicated, theaeration pipe 5 provides an inorganic carbon source for the algae liquid through theair outlet 6, and theautomatic temperature controller 17 can automatically adjust the culture temperature of the algae liquid to stabilize the temperature; the pH andsalinity sensor 16 can detect the pH value and salinity of the algae liquid and display the detection result on the pH andsalinity display 15, and the staff can adjust the pH value and salinity of the nutrient solution for injection culture according to the data displayed on the pH and salinity display 15 so as to ensure that the pH value and salinity of the algae liquid in the reactor are suitable for the culture and propagation of the microalgae. The staff can sample and detect the growth condition, concentration and purity of the microalgae at any time in the process of culturing the microalgae through thesampling port 12 at the lower part of theouter cylinder 2. Thedischarging pipe 13 on thebase 1 is communicated with theouter cylinder 2, after microalgae culture is completed, thedischarging valve 14 is opened, and the algae liquid discharged from thedischarging pipe 13 is collected for next treatment. The reactor after the algae liquid is emptied needs to be cleaned, thecleaning spray head 10 is communicated with an external water pump, clean water is sprayed into the reactor, wall-hanging thalli are washed away, and the cleanliness of the inner wall of theouter cylinder 2 and the cleanliness of the outer wall of theinner cylinder 3 are effectively guaranteed.

The temperatureautomatic controller 17, the power supply control switch 9, thecleaning spray head 10, the pH andsalinity display 15, the pH andsalinity sensor 16 and CO₂Air pumps, water pumps, etc. are all prior art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

Translated fromChinese

1.一种高效封闭式海洋微藻培养光生物反应器，包括底座、外圆筒、内圆筒和顶盖，其特征在于，所述外圆筒和内圆筒均竖直安装在底座上，内圆筒位于外圆筒的内部，外圆筒和内圆筒的中心线重合，外圆筒内壁上还设有温度自动调节装置；1. an efficient closed marine microalgae cultivation photobioreactor, comprising base, outer cylinder, inner cylinder and top cover, it is characterized in that, described outer cylinder and inner cylinder are all vertically installed on the base , the inner cylinder is located inside the outer cylinder, the centerlines of the outer cylinder and the inner cylinder coincide, and the inner wall of the outer cylinder is also provided with an automatic temperature adjustment device;所述外圆筒上自由放置有顶盖，所述顶盖对应内圆筒的位置缺失一内圆筒直径大小的圆，使内圆筒穿过顶盖；A top cover is freely placed on the outer cylinder, and a circle with the diameter of the inner cylinder is missing from the position of the top cover corresponding to the inner cylinder, so that the inner cylinder passes through the top cover;所述底座上端面围绕着内圆筒设有圆环状的曝气管，所述曝气管壁间隔均匀设有多个出气孔；底座上端面、位于外圆筒和内圆筒之间，还设置有多个突起；The upper end surface of the base is provided with an annular aeration pipe around the inner cylinder, and the wall of the aeration pipe is evenly spaced with a plurality of air outlet holes; the upper end surface of the base is located between the outer cylinder and the inner cylinder, Also provided with a plurality of protrusions;所述内圆筒内设有植物光源灯，内圆筒内壁上部设有电源控制开关，植物光源灯与电源控制开关电性连接。A plant light source lamp is arranged in the inner cylinder, a power supply control switch is arranged on the upper part of the inner wall of the inner cylinder, and the plant light source lamp is electrically connected with the power supply control switch.2.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述顶盖设有4个清洗喷头，所述4个清洗喷头间隔均匀分布，且与顶盖中心的距离相同。2. high-efficiency closed marine microalgae cultivation photobioreactor according to claim 1, is characterized in that, described top cover is provided with 4 cleaning nozzles, and described 4 cleaning nozzles are evenly distributed at intervals, and the top cover is provided with 4 cleaning nozzles. The distance from the center is the same.3.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述顶盖均布有8-10个通气孔，所述通气孔的直径为1-2cm。3 . The high-efficiency closed marine microalgae cultivation photobioreactor according to claim 1 , wherein the top cover is evenly distributed with 8-10 ventilation holes, and the diameter of the ventilation holes is 1-2 cm. 4 .4.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述外圆筒下部设有取样口。4 . The high-efficiency closed-type marine microalgae cultivation photobioreactor according to claim 1 , wherein a sampling port is provided in the lower part of the outer cylinder. 5 .5.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述底座设有出料管，所述出料管上设有出料阀。5 . The high-efficiency closed marine microalgae cultivation photobioreactor according to claim 1 , wherein the base is provided with a discharge pipe, and the discharge pipe is provided with a discharge valve. 6 .6.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述外圆筒、内圆筒和顶盖均采用透明材料制备而成。6 . The high-efficiency closed-type marine microalgae cultivation photobioreactor according to claim 1 , wherein the outer cylinder, the inner cylinder and the top cover are all prepared from transparent materials. 7 .7.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述底座上还设有pH和盐度显示器，所述pH和盐度显示器与设于外圆筒内壁的pH和盐度传感器相连接。7. The high-efficiency closed-type marine microalgae cultivation photobioreactor according to claim 1, characterized in that, a pH and salinity indicator is also provided on the base, and the pH and salinity indicator is arranged on the outer circle. The pH and salinity sensors on the inner wall of the cartridge are connected.8.根据权利要求1所述的高效封闭式海洋微藻培养光生物反应器，其特征在于，所述温度自动调节装置为温度自动控制器。8 . The high-efficiency closed-type marine microalgae cultivation photobioreactor according to claim 1 , wherein the temperature automatic adjustment device is an automatic temperature controller. 9 .

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