CN110628578B - Microalgae cultivation equipment and use method thereof - Google Patents
Microalgae cultivation equipment and use method thereof Download PDFInfo
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- CN110628578B CN110628578B CN201910941028.8A CN201910941028A CN110628578B CN 110628578 B CN110628578 B CN 110628578B CN 201910941028 A CN201910941028 A CN 201910941028A CN 110628578 B CN110628578 B CN 110628578B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 239000007788 liquid Substances 0.000 claims abstract description 92
- 230000008635 plant growth Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 3
- 210000005056 cell body Anatomy 0.000 description 38
- 238000005286 illumination Methods 0.000 description 15
- 230000012010 growth Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005791 algae growth Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000019522 cellular metabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010353 genetic engineering Methods 0.000 description 1
- -1 genetic engineering Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/02—Photobioreactors
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/22—Transparent or translucent parts
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/48—Holding appliances; Racks; Supports
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/10—Means for providing, directing, scattering or concentrating light by light emitting elements located inside the reactor, e.g. LED or OLED
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/16—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature by recirculation of culture medium at controlled temperature
Abstract
The invention relates to microalgae cultivation equipment and a use method thereof, wherein the microalgae cultivation equipment comprises a bracket and a cultivation pond, wherein the cultivation pond is provided with at least two layers of transparent pond bodies which are arranged at intervals up and down, one end of each pond body is a liquid inlet end, the other end is an overflow end, when the pond body is fixed on the bracket, the bottom surface of the pond body is inclined downwards from the liquid inlet end to the overflow end, and the overflow height of the overflow end is the liquid level height of microalgae cultivated in the pond body; in each tank body, the overflow end of the upper tank body corresponds to the liquid inlet end of the lower tank body, and the overflow end of the lowest tank body corresponds to the water tank below. The using method comprises the following steps: the water pump outside the water tank is started, water in the water tank is conveyed to the liquid inlet end of the uppermost layer tank body, the water level in each layer of tank body reaches the height of the liquid level required by cultivation through overflow, and water overflowed from the overflow end of the lowermost layer of tank body flows back into the water tank.
Description
Technical Field
The invention relates to the field of microalgae cultivation, in particular to microalgae cultivation equipment and a use method thereof.
Background
Microalgae is an autotrophic plant which is widely distributed on land and sea, is rich in nutrition and has high photosynthetic availability, and polysaccharide, protein, pigment and the like generated by cell metabolism, so that the microalgae has good development prospect in the fields of food, medicine, genetic engineering, liquid fuel and the like. The conventional microalgae cultivation is carried out by adopting a cultivation pond, wherein the common cultivation pond is a runway type cultivation pond, namely, the overall shape of the cultivation pond is similar to that of a runway type, a slurry-rolling mechanism is arranged in the runway pond, and water flow in the runway pond is driven to flow along the runway direction, so that the activity of water is ensured, and the requirements of microalgae cultivation are met. However, in order to meet the cultivation requirement and the yield requirement, the conventional runway type pond body is often required to be designed deep so as to ensure sufficient water quantity, in microalgae cultivation, illumination is one of important factors affecting the growth of microalgae, and the excessive deep runway pond body is large in water quantity requirement and is easy to cause insufficient illumination of the microalgae, so that the yield is not ideal. Therefore, the existing microalgae culture pond is to be improved, so that the water demand can be reduced, the illumination is fully utilized, the growth is quickened, and the yield is improved.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide microalgae cultivation equipment and a using method thereof for solving the technical problems that the existing similar microalgae cultivation equipment is high in water demand and cannot effectively utilize illumination, so that microalgae grow slowly and yield is low. The aim is achieved by the following technical scheme.
A microalgae cultivation device comprises a bracket and a cultivation pond, wherein the cultivation pond is fixed on the bracket; the culture pond is characterized in that the culture pond is provided with at least two layers of transparent pond bodies which are arranged at intervals up and down, one end of each pond body is a liquid inlet end, the other end is an overflow end, when the pond body is fixed on a bracket, the bottom surface of the pond body is inclined downwards from the liquid inlet end to the overflow end, water flow in the pond body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level height of microalgae cultured in the pond body; in each tank body, the overflow end of the upper tank body corresponds to the liquid inlet end of the lower tank body, a water tank is arranged below the lowest tank body, the overflow end of the lowest tank body corresponds to the liquid inlet of the water tank, and a water pump for pumping water in the water tank to the liquid inlet end of the uppermost tank body is arranged outside the water tank. The structure adopts the transparent tank body, so that each layer of tank body can fully receive illumination, and water flows in each layer of tank body form self-flow from top to bottom through the water tank and the water pump, thereby providing a proper growth environment for microalgae growth, accelerating the microalgae growth and increasing the output. Compared with the conventional runway microalgae cultivation, the yield can be improved by nearly 50-100 times under the same investment.
The overflow end upper layer of the tank body is an overflow port, the position of the overflow end lower layer close to the bottom surface of the tank body is provided with a liquid outlet with an adjusting valve, in each tank body, the liquid outlet of the upper layer tank body corresponds to the liquid inlet end of the lower layer tank body, and the liquid outlet of the lowest layer tank body corresponds to the liquid inlet of the water tank. The liquid outlet is provided with an adjusting valve, so that overflow of the overflow port or liquid discharge of the liquid outlet is selected according to the requirement. The liquid discharge port is controlled to discharge liquid, so that the water body in the tank body is replaced more fully, the activity of the water body is guaranteed, and impurities precipitated at the bottom of the tank body are discharged when the water body is cleaned conveniently.
The upper layer pond body in the culture pond is staggered relative to the lower layer pond body without shielding, and liquid inlet ends of the pond bodies except the uppermost layer pond body are all provided with liquid inlet guide covers for guiding water overflowed from the overflow ends of the upper layer pond body to the liquid inlet ends of the lower layer pond body. Through the structure, each layer of pool body is fully illuminated, so that microalgae fully absorb illumination to carry out photosynthesis, and the yield is improved.
The second microalgae cultivation equipment comprises a bracket and a cultivation pond, wherein the cultivation pond is fixed on the bracket; the utility model has the structural key points that the culture pond is provided with at least two layers of transparent disc-shaped pond bodies which are arranged at intervals up and down, and the pond bodies are provided with two structures, and the first structure is as follows: the center of the tray of the tank body is provided with a liquid inlet end, the edge of the tray is provided with an overflow end, when the tank body is fixed on the bracket, the bottom surface of the tank body is inclined downwards from the center of the tray to the edge of the tray, water flow in the tank body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level of microalgae cultivated in the tank body; the second structure is as follows: the edge of the tray of the pond body is a liquid inlet end, the center of the tray is an overflow end, when the pond body is fixed on the bracket, the bottom surface of the pond body is inclined downwards from the edge of the tray to the center of the tray, water flow in the pond body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level of microalgae cultivated in the pond body; the culture pond is from top to bottom set up the cell body of first structure, second kind structure in turn, and cell body from the top down, and the overflow end of upper strata cell body corresponds the feed liquor end of lower floor's cell body, and the upper strata cell body is first kind structure, and the lower floor's cell body is the second kind structure, and the below of lower floor's cell body is equipped with the water tank, and the water tank upper end is equipped with the feed liquor mouth that is used for accomodating lower floor's cell body overflow end rivers, and the water tank outside is equipped with the water pump of water pump to the upper strata cell body feed liquor end in the water tank. The structure adopts the transparent tank body, so that each layer of tank body fully receives illumination, and the tank body forms flowing running water from top to bottom through the water tank and the water pump, meanwhile, the tank body adopts a disc-shaped mode with larger volume, which is beneficial to improving the cultivation quantity of microalgae, thereby improving the yield,
in the first structure of the tank body, the liquid inlet end of the tank body is a conical convex diversion cover; in the second structure of the tank body, the overflow end of the tank body is a boss, and the boss is provided with an overflow hole which is vertically communicated. By the structure, the stability of water circulation in each tank body is facilitated.
The third microalgae cultivation equipment comprises a bracket and a cultivation pond, wherein the cultivation pond is fixed on the bracket; the culture pond is characterized in that the culture pond is provided with at least two layers of transparent pond bodies which are arranged at intervals up and down and are staggered from each other without shielding, one end of each pond body is a liquid inlet end, the other end is an overflow end, when the pond body is fixed on a bracket, the bottom surface of the pond body is inclined downwards from the liquid inlet end to the overflow end, water flow in the pond body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level height of microalgae cultured in the pond body; in each cell body, the overflow end of upper cell body is connected through the slide way of circular arc with the feed liquor end of lower floor cell body and is integrative, and the below of lower floor cell body is equipped with the water tank, and the overflow end of lower floor cell body corresponds the feed liquor mouth of water tank, and the water tank outside is equipped with the water pump of taking out the water in the water tank to the feed liquor end of the upper cell body. The structure is characterized in that the upper layer tank body and the lower layer tank body are connected into a whole through the arc slideway, so that the whole structure is compact, and the installation and the use are more convenient.
In the structure, the outer bottom surface of the tank body is provided with plant growth lamps for illuminating the tank body from the liquid inlet end to the overflow end, the outer bottom surface of the tank body is provided with the caulking groove for embedding the plant growth lamps, and the caulking groove is raised relative to the inner bottom surface of the tank body. Through this structure, vegetation lamp installation is comparatively convenient, and conveniently adjusts the illumination condition as required, improves the growth environment of little algae, easily little algae growth with higher speed, improves output. Besides, when the plant growth lamp is embedded into the caulking groove to emit light, the transparent part of the bottom surface of the tank body can form better illumination refraction, and the illumination utilization rate is effectively improved.
The bottom surface in the cell body forms the wave surface, and the wave concave surface position of the outer bottom surface of cell body sets up vegetation lamp. Through this structure, be favorable to improving the cultivation area at bottom of the pool, and utilize the wave surface, help the illumination of vegetation lamp equally to spread the refraction, provide suitable illumination environment for little algae growth.
An upper cavity and a lower cavity are formed in the water tank in a separating way, the upper cavity corresponds to a liquid inlet of the water tank, and the lower cavity is connected with a liquid inlet pipe of the water pump; the outside of the water tank is provided with a heat exchanger which exchanges heat with water flow in the upper chamber of the water tank and then is discharged into the lower chamber, and an aeration device is arranged in the lower chamber. Through the structure, the water temperature and the water quality can be conveniently changed, so that the microalgae growth is suitable.
According to the structural characteristics, the using method of the microalgae cultivation equipment comprises the following steps: starting the water pump, pumping and conveying water in the water tank to the liquid inlet end of the uppermost layer of tank body by the water pump until the liquid level of the tank body reaches the overflow height of the overflow end, enabling the water level in the tank body to reach the liquid level height required by cultivation, enabling water overflowed from the overflow end to flow to the liquid inlet end of the lower layer of tank body until the water level in the tank body of each layer reaches the liquid level height required by cultivation, enabling the water overflowed from the overflow end of the lowermost layer of tank body to flow back into the water tank, realizing the circulating flow of the water flow in each tank body in the mode, and placing microalgae to be cultivated in each layer of tank body, so that cultivation operation can be realized.
The invention has the advantages that: the layered pond body is utilized for cultivation, the transparent pond body and the active water circulation are adopted, the effective area and the quantity of cultivation are improved while the water consumption is not increased, and the illumination can be fully utilized when microalgae are cultivated, so that the growth of the microalgae is accelerated, the yield of the microalgae is improved, and the cultivation pond is suitable for being used as various microalgae cultivation ponds or the improvement of the structure of the same kind of cultivation pond.
Drawings
FIG. 1 is a schematic illustration of a construction of the present invention, with portions of the construction shown in cross-section.
Fig. 2 is a schematic view of the right end face structure of fig. 1.
Fig. 3 is a schematic diagram of an improvement of fig. 1.
FIG. 4 is a schematic view of the improved structure of FIG. 1,
Fig. 5 is a schematic diagram of a second embodiment of the present invention, with a portion of the structure shown in cross-section.
Fig. 6 is a schematic diagram of a three-structure cell body scheme of the present invention.
The serial numbers and names in the figures are: 1. the device comprises a tank body, 101, a liquid inlet end, 102, an overflow end, 1021, an overflow port, 1022, a liquid outlet, 103, a liquid inlet guide cover, 104, a flow distribution cover, 105, a boss, 106, an overflow hole, 107, a slideway, 2, a bracket, 3, a water tank, 4, a water pump, 5, a pump pipe, 6, a plant growth lamp, 7 and a heat exchanger.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the microalgae cultivation equipment comprises a support 2 and a cultivation pond, wherein the cultivation pond is fixed on the support, the cultivation pond is provided with at least two layers of transparent pond bodies 1 which are vertically spaced and staggered without shielding, one end of each pond body is a liquid inlet end 101 for liquid inlet, the other end of each pond body is an overflow end 102, the upper layer of the overflow end is an overflow port 1021, a liquid outlet 1022 with an adjusting valve is arranged at the position, close to the bottom surface of the pond body, of the lower layer of the overflow end, and the side surfaces of the pond bodies are fixed with the support. When each tank body is fixed on the support, the bottom surface of the tank body is inclined downwards from the liquid inlet end to the overflow end, water flow in the tank body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the height of an overflow port of the overflow end is the liquid level of microalgae cultivated in the tank body. Among the cell bodies, overflow port and the leakage fluid dram of upper strata cell body correspond the inlet port of lower floor's cell body, except that each cell body inlet port outside the cell body of the upper strata all is equipped with the rivers water conservancy diversion to upper strata cell body overflow port, the drainage port outgoing to the inlet port's of lower floor's cell body inlet port feed liquor kuppe 103, the below of the cell body of the lowest floor is equipped with water tank 3, the overflow port and the drainage port of the cell body of the lowest floor correspond the inlet port of water tank, the water tank outside is equipped with water pump 4, water pump feed liquor union coupling is in the water tank, the pump line 5 of play liquid is connected to the inlet port of the cell body of the upper strata.
As shown in fig. 3, further, the outer bottom surface of each tank body 1 is uniformly provided with caulking grooves for embedding the plant growth lamps from the liquid inlet end 101 to the liquid outlet end 102, plant growth lamps 6 for illuminating the tank body are embedded and installed in the corresponding caulking grooves, the caulking grooves are raised relative to the inner bottom surface of the tank body, that is, raised structures are uniformly arranged at intervals from the liquid inlet end to the liquid outlet end on the inner bottom surface of the tank body, so that the tree planting growth lamps are beneficial to fully improving the illumination effect in the tank body.
As shown in fig. 4, the bottom surface of each tank body 1 can be designed to be a wave surface, the cultivation area of the tank body is increased, and the plant growth lamp 6 is arranged in the wave concave surface at the bottom surface outside the tank body, so that the illumination effect in the tank body can be improved, and the growth of microalgae can be accelerated.
Fig. 5 shows a scheme II structure of microalgae cultivation equipment, which comprises a bracket 2 and a cultivation pond, wherein the cultivation pond is fixed on the bracket, the cultivation pond is provided with at least two layers of transparent disc-shaped pond bodies 1 which are arranged at intervals up and down, and the outer side surfaces of the pond bodies are fixedly connected with the bracket. The discoid cell body is equipped with two kinds of structures, and first kind of structure is: the center of the tray of the tank body is provided with a liquid inlet end 101, the liquid inlet end is provided with a conical and convex diversion cover 104, the edge of the tray is provided with an overflow end 102, when the tank body is fixed on a bracket, the bottom surface of the tank body is inclined downwards from the center of the tray to the edge of the tray, water flow in the tank body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level height of microalgae cultivated in the tank body. The second structure is as follows: the edge of the tray of the tank body is a liquid inlet end, the center of the tray is an overflow end, the overflow end is a boss 105, the boss is provided with an overflow hole 106 which runs through up and down, when the tank body is fixed on a bracket, the bottom surface of the tank body is inclined downwards from the edge of the tray to the center of the tray, water flow in the tank body automatically flows to the overflow end from the liquid inlet end under the action of gravity, the boss height of the overflow end is the liquid level height of microalgae cultivated in the tank body, namely, when the water flow in the tank body exceeds the boss height, overflow is formed from the overflow hole. Breed the pond from top to bottom and set up the cell body of first structure, second kind structure in turn, and the cell body from the top down, the overflow end of upper strata cell body corresponds the feed liquor end of lower floor's cell body, the upper strata cell body is first kind structure, the lower floor's cell body is the second kind structure, the below of lower floor's cell body is equipped with water tank 3, the water tank upper end is equipped with the feed liquor mouth that is used for accomodating the overflow of lower floor's cell body end rivers, the water tank outside is equipped with water pump 4, water pump feed liquor union coupling is to in the water tank, the pump line 5 of play liquid is connected to the feed liquor end of upper strata cell body.
Similarly, the bottom surface of the tank body 1 of the microalgae cultivation equipment in the second scheme can be provided with a caulking groove and a plant growth lamp 6, the caulking groove is of an annular structure, and the corresponding plant growth lamp is of an annular lamp.
As shown in fig. 6, the tank body scheme three structure of the microalgae cultivation equipment is different from the scheme one mainly in that the overflow end 102 of the upper tank body and the liquid inlet end 101 of the lower tank body are connected into a whole through an arc-shaped slideway 107, that is, the upper tank body and the lower tank body are substantially the same tank body 1, the overflow end position of the upper tank body is separated through a partition board, and an overflow port 1021 is formed above the partition board, so that the cultivation purpose same as that of the scheme one can be realized.
In order to ensure the activity of the water quality of the microalgae cultivation equipment, an aeration device, such as a mixed gas of carbon dioxide and air, is added in the water tank 3 in each scheme, and the mixed gas is supplemented into the water, so that the photosynthesis of the microalgae is improved, and the growth of the microalgae is accelerated. In addition, other active substances can be added into the water tank to improve or purify the water quality in the water tank, so that the water quality is more favorable for the growth of microalgae.
In order to conveniently adjust the temperature of the water in the tank body 1, the water tank can be divided into an upper chamber and a lower chamber, the upper chamber corresponds to the liquid inlet of the water tank, and the lower chamber is connected with the liquid inlet end of the water pump 4. The outside of the water tank is provided with a heat exchanger 7 which exchanges heat with water flow in the upper chamber of the water tank and then is discharged into the lower chamber. The heat exchanger is prior art, and it mainly comprises coil pipe, heater, fin, radiator fan, and heater and fin all are fixed in the coil pipe, and the coil pipe is used for switching on two upper and lower cavities of water tank, and the radiator is used for carrying out the heat dissipation of blowing to the fin, and the heater is used for heating the coil pipe, and according to the temperature needs, opens heater or radiator fan, and heat exchanger forms heating or heat dissipation state.
The microalgae cultivation equipment in the first scheme, the second scheme and the third scheme has the working mode that: the water pump 4 is started, the water pump pumps and conveys the water in the water tank 3 to the liquid inlet end 101 of the uppermost layer tank body 1, when the liquid level of the tank body reaches the overflow height of the overflow end 102, the water level in the tank body reaches the liquid level height required by microalgae cultivation, the water overflowed from the overflow end flows to the liquid inlet end of the lower layer tank body until the water level in the tank body of each layer reaches the liquid level height required by microalgae cultivation, the water overflowed from the overflow end of the lowest layer tank body flows back into the water tank, the circulating flow of the water flow in each tank body is realized in the mode, and the microalgae to be cultivated are placed in each layer of water tank, so that cultivation operation can be realized.
The above description is intended to illustrate the technical means of the present invention, and not to limit the technical scope of the present invention. Obvious modifications or substitutions by one with ordinary skill in the art are within the scope of the present invention as defined by the appended claims.
Claims (4)
1. A microalgae cultivation device comprises a bracket (2) and a cultivation pond, wherein the cultivation pond is fixed on the bracket; the culture pond is characterized in that the culture pond is provided with at least two layers of transparent disc-shaped pond bodies (1) which are arranged at intervals up and down, the pond bodies are provided with two structures, and the first structure is as follows: the center of the tray of the tank body is provided with a liquid inlet end (101), the edge of the tray is provided with an overflow end (102), when the tank body is fixed on the bracket, the bottom surface of the tank body is inclined downwards from the center of the tray to the edge of the tray, water flow in the tank body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level height of microalgae cultivated in the tank body; the second structure is as follows: the edge of the tray of the pond body is a liquid inlet end, the center of the tray is an overflow end, when the pond body is fixed on the bracket, the bottom surface of the pond body is inclined downwards from the edge of the tray to the center of the tray, water flow in the pond body automatically flows to the overflow end from the liquid inlet end under the action of gravity, and the overflow height of the overflow end is the liquid level of microalgae cultivated in the pond body; the culture pond is characterized in that pond bodies of a first structure and a second structure are alternately arranged from top to bottom, overflow ends of the pond bodies of an upper layer correspond to liquid inlet ends of the pond bodies of a lower layer from top to bottom, the pond body of the uppermost layer is of the first structure, the pond body of the lowermost layer is of the second structure, a water tank (3) is arranged below the pond body of the lowermost layer, a liquid inlet for accommodating water flow of the overflow ends of the pond bodies of the lowermost layer is arranged at the upper end of the water tank, and a water pump (4) for pumping water in the water tank to the liquid inlet ends of the pond bodies of the uppermost layer is arranged outside the water tank; in the first structure of the tank body, the liquid inlet end of the tank body is a conical convex diversion cover (104); in the second structure of the tank body, the overflow end of the tank body is a boss (105), and the boss is provided with an overflow hole (106) which is penetrated up and down; the outer bottom surface of the tank body is provided with a caulking groove for embedding the plant growth lamp, and the caulking groove is raised relative to the inner bottom surface of the tank body.
2. The microalgae cultivation equipment according to claim 1, characterized in that the inner bottom surface of the tank body (1) forms a wave surface, and a plant growth lamp (6) is arranged at the wave concave surface part of the outer bottom surface of the tank body.
3. The microalgae cultivation equipment according to claim 1, characterized in that an upper chamber and a lower chamber are respectively formed in the water tank (3), the upper chamber corresponds to a liquid inlet of the water tank, and the lower chamber is connected with a liquid inlet pipe of the water pump (4); the outside of the water tank is provided with a heat exchanger (7) which exchanges heat with water flow in the upper chamber of the water tank and then is discharged into the lower chamber, and an aeration device is arranged in the lower chamber.
4. The method of using the microalgae cultivation equipment as claimed in claim 1, which is characterized in that the method comprises the following steps: starting the water pump (4), pumping and conveying water in the water tank (3) to the liquid inlet end (101) of the uppermost layer tank body (1) by the water pump until the water level of the tank body reaches the overflow height of the overflow end (102), enabling the water level in the tank body to reach the height of the liquid level required by cultivation, enabling water overflowed from the overflow end to flow to the liquid inlet end of the lower layer tank body until the water level in the tank body of each layer reaches the height of the liquid level required by cultivation, enabling the overflowed water overflowed from the overflow end of the lowermost layer tank body to flow back into the water tank, realizing the circulating flow of the water flow in each tank body in the mode, and placing microalgae to be cultivated in each layer of tank, so that cultivation operation can be realized.
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