CN220079032U - Benthic microalgae continuous culture device - Google Patents

Benthic microalgae continuous culture device Download PDF

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Publication number
CN220079032U
CN220079032U CN202321609288.3U CN202321609288U CN220079032U CN 220079032 U CN220079032 U CN 220079032U CN 202321609288 U CN202321609288 U CN 202321609288U CN 220079032 U CN220079032 U CN 220079032U
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culture
tank
collecting
culture tank
harvesting
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CN202321609288.3U
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刘宏伟
刘红昌
谢建平
彭志远
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Central South University
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Central South University
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Abstract

The utility model discloses a benthic microalgae continuous culture device which comprises an external frame, a culture unit, a harvesting unit and a control unit. The outer frame comprises a bottom plate arranged at the bottom, a plurality of support columns arranged at the edge of the bottom plate and a top plate jacked up by the support columns and positioned right above the top plate. The culture unit is placed on the bottom plate of the outer frame, and the culture unit comprises a culture tank and a collecting tank, and the collecting tank is arranged on one side of the culture tank. The harvesting unit comprises two pairs of brackets, two sliding rails, two harvesting telescopic rods and a harvesting scraping plate. The utility model has the technical effects that the collection unit is used for scraping the benthic microalgae which grow for a period of time into the collection tank in time, so that the benthic microalgae at the bottom of the culture tank cannot accumulate in a large amount to influence the growth, and the growth of the benthic microalgae is promoted by the arranged light source and the aeration pipe. Meanwhile, the device can also send the culture solution into the liquid storage device for recycling before harvesting, so that the cost is effectively saved, and the production efficiency is improved.

Description

Benthic microalgae continuous culture device
Technical Field
The utility model relates to microalgae cultivation, in particular to a benthic microalgae continuous cultivation device.
Background
With the wide application of microalgae and microalgae products in food, industry, agriculture and medicine industry, the demands for microalgae are increasing, and various culture devices special for culturing microalgae are also generated. Microalgae are mainly classified into benthic algae and suspended algae, and the benthic microalgae can intensively grow at the bottom of the culture equipment during culture. Therefore, in order to rapidly obtain high-density microalgae cells according to growth characteristics, a flat-plate type photobioreactor with a large bottom area is often used for culturing, but as microalgae are bred, the growth of the microalgae is inhibited due to the fact that a large amount of microalgae at the bottom are accumulated, so that large-scale continuous culture of benthic microalgae is hindered. There is a need for a culture apparatus that promotes the growth of benthic microalgae and enables large-scale continuous culture.
Disclosure of Invention
In order to solve the technical problem that the existing benthic microalgae culture equipment cannot continuously culture benthic microalgae in a large scale, the utility model provides the benthic microalgae continuous culture device capable of effectively improving the yield and growth rate of benthic microalgae.
In order to achieve the technical purpose, the technical scheme of the utility model is that,
a continuous culture device for benthic microalgae comprises an external frame, a culture unit, a harvesting unit and a control unit.
The outer frame comprises a bottom plate arranged at the bottom, a plurality of support columns arranged at the edge of the bottom plate and a top plate jacked up by the support columns and positioned right above the top plate.
The culture unit is placed on the bottom plate of the outer frame and comprises a culture tank and a collecting tank, and the collecting tank is arranged on one side of the culture tank. The side wall of the culture tank is provided with a water outlet and a water inlet.
The harvesting unit at least comprises two pairs of brackets, two sliding rails, two harvesting telescopic rods and a harvesting scraping plate. The two pairs of brackets are vertically fixed on the lower surface of the top plate. The two sliding rails are respectively fixed between the two pairs of brackets and are parallel to each other, the extending direction of the sliding rails extends from the culture tank to the collecting tank on one side, and the length of the sliding rails is not less than the sum of the lengths of the culture tank and the collecting tank. The two collecting telescopic rods are hung on the two sliding rails respectively and can slide on the sliding rails. The two ends of the collecting scraping plate are respectively hung at the bottom ends of the two collecting telescopic rods, the length of the collecting scraping plate is matched with the width of the bottom surface of the culture tank, and the collecting telescopic rods can enable the collecting scraping plate to contact the bottom surface of the culture tank when being stretched, so that the collecting scraping plate can scrape the whole culture tank and reach the collecting tank.
The control unit is arranged on one side of the outer frame and comprises an operator, a controller, a drainage pump and a water inlet pump, wherein the operator is in communication connection with the controller, the controller is in communication connection with the drainage pump and the water inlet pump, and the drainage pump and the water inlet pump are connected with a drainage outlet and a water inlet on the culture tank through pipelines respectively.
The benthonic microalgae continuous culture device also comprises a liquid storage device, wherein the liquid storage device comprises a box body and a box cover covered on the box body, a water inlet and a water outlet are arranged on the side wall of the box body, the water inlet is connected to a drainage pump through a pipeline, and the water outlet is connected to a water inlet through a pipeline.
The continuous culture device for benthonic microalgae further comprises a light source, wherein the light source comprises a lighting lamp and a control interface, the lighting lamp and the control interface for controlling the lighting lamp are arranged on the lower surface of the top plate, and the control interface is connected with the control unit through a circuit, so that culture illumination is provided for the culture tank.
A benthic microalgae continuous culture apparatus, harvesting unit still include a clearance scraper blade and two clearance telescopic links that are used for hanging the clearance scraper blade, two clearance telescopic links hang respectively on two slide rails and can slide on the slide rail, and two relative collection telescopic links are in the one side that is close to the collecting vat. The two ends of the cleaning scraper blade are respectively hung at the bottom ends of the two cleaning telescopic rods, and the length of the cleaning scraper blade is matched with the length of the collecting scraper blade, so that the cleaning scraper blade can scrape collected objects on the collecting scraper blade.
According to the benthic microalgae continuous culture device, the cambered surface connected with the bottom surface is arranged on the inner wall adjacent to the collecting tank, so that the collecting scraper can scrape collected objects along the cambered surface and enter the collecting tank.
The benthic microalgae continuous culture device is characterized in that the culture tank and the collection tank are connected and fixed with each other through a mortise and tenon structure.
The continuous culture device for benthonic microalgae is characterized in that an aeration pipe is further arranged on the side wall of the culture tank, the control unit further comprises an air pump, an external air passage interface and an internal air passage interface, an air inlet is arranged on the aeration pipe, and the air inlet is connected to the internal air passage interface through a pipeline and is connected with the external air passage interface through the air pump.
The continuous culture device for benthic microalgae is characterized in that the position of a water outlet on the culture tank is 10-15mm higher than the bottom surface of the culture tank.
The operator of the control unit is a touch display screen to provide an operation interface and information display.
The utility model has the technical effects that the collection unit is used for scraping the benthic microalgae which grow for a period of time into the collection tank in time, so that the benthic microalgae at the bottom of the culture tank cannot accumulate in a large amount to influence the growth, and the growth of the benthic microalgae is promoted by the arranged light source and the aeration pipe. Meanwhile, the device can also send the culture solution into the liquid storage device for recycling before harvesting, so that the cost is effectively saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a culture apparatus according to the utility model;
FIG. 3 is a schematic view of the structure of the bottom plate of the outer frame of the present utility model;
FIG. 4 is a schematic view of the top plate of the outer frame of the present utility model;
fig. 5 is a schematic view of the structure of the liquid storage device of the present utility model.
Wherein 1 is an external frame, 2 is a culture unit, 3 is a control unit, 4 is a harvesting unit, 5 is a light source, 6 is a liquid storage unit, 11 is a top plate, 12 is a support column, 13 is a bottom plate, and 111 is a control interface; 21 is a culture tank, 22 is a collecting tank, 23 is a water outlet, 24 is an air inlet, 25 is an aeration pipe, and 26 is a water inlet; 31 is a touch display screen, 32 is a top plate interface, 33 is an external air passage interface, 34 is an internal air passage interface, 35 is a drainage pump, and 36 is a water inlet pump; 41 is a bracket, 42 is a telescopic rod, 43 is a collecting scraper; 61 is a box cover, 62 is a box body, 63 is a water inlet, and 64 is a water outlet.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, in the following description of the present utility model, the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like are used to indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, only to facilitate description of the present utility model and simplify description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "mounted," and "clamped" are to be construed broadly, and for example, the connection may be a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two components or an interaction relationship between two components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, the present embodiment includes an external frame, a culturing unit, a harvesting unit, a control unit, and a liquid storage device.
Referring to fig. 2, the culture unit of the present embodiment is placed on a bottom plate of an outer frame, and includes a culture tank and a collecting tank, the collecting tank being disposed at one side of the culture tank. The side wall of the culture tank is provided with a water outlet and a water inlet, wherein the position of the water outlet is 10-15mm higher than the bottom surface of the culture tank, so that benthic microalgae can not be discharged together during water discharge. Wherein the culture tank is equipped with the cambered surface that is connected with the bottom surface on the inner wall adjacent with the collecting vat to form a relatively smooth transition cambered surface between inner wall and the bottom surface that originally mutually perpendicular connects, so that gather the scraper blade and can scrape the collection thing and get into the collecting vat along the cambered surface. Meanwhile, the culture tank and the collecting tank are mutually connected and fixed through a mortise and tenon structure, so that the culture tank can be conveniently disassembled and assembled to transfer benthic microalgae in the collecting tank.
Referring to fig. 3 and 4, the outer frame in the present embodiment includes a bottom plate provided at the bottom, a plurality of support columns provided at the edges of the bottom plate, and a top plate lifted by the support columns and located directly above the top plate.
The light source in this embodiment includes illumination lamps and lanterns and control interface, and wherein illumination lamps and lanterns and the control interface that is used for controlling illumination lamps and lanterns all set up in the lower surface of roof, and control interface passes through the circuit and is connected the control unit by the roof interface to provide the cultivation illumination for the culture tank. The illumination lamp in this embodiment adopts an LED plant cultivation lamp, and may also adopt other lamps as required.
The harvesting unit in this embodiment includes two pairs of brackets and two sliding rails, wherein the two pairs of brackets are vertically fixed on the lower surface of the top plate. The two sliding rails are respectively fixed between the two pairs of brackets and are parallel to each other, the extending direction of the sliding rails extends from the culture tank to the collecting tank on one side, and the length of the sliding rails is not less than the sum of the lengths of the culture tank and the collecting tank. In practical implementation, more brackets and sliding rails can be adopted according to the requirement, so that the stability of the scraping plate is improved.
In this embodiment, the harvesting unit includes two harvesting telescopic rods and a harvesting scraper to form a harvesting component. The two collecting telescopic rods are hung on the two sliding rails respectively and can slide on the sliding rails. The both ends of gathering the scraper blade are hung respectively in the bottom of two gathering telescopic links, gather the length of scraper blade and the bottom surface width phase-match of culture tank, and gather the telescopic link and enable gathering the bottom surface that the scraper blade contacted the culture tank when the extension to make gathering the scraper blade and can scrape whole culture tank and reach collecting vat department.
Meanwhile, in order to clean the collecting scraping plate, benthonic microalgae adhered to the collecting scraping plate fall into the collecting tank, the collecting device further comprises a cleaning scraping plate and two cleaning telescopic rods for hanging the cleaning scraping plate, wherein the two cleaning telescopic rods are hung on the two sliding rails respectively and can slide on the sliding rails, and the two opposite collecting telescopic rods are positioned on one side close to the collecting tank. The both ends of clearance scraper blade are hung respectively in the bottom of two clearance telescopic links, and the length of clearance scraper blade matches with the length of gathering the scraper blade. When the collection scraper scrapes benthic microalgae from the culture tank to the collection tank, if residual collected matters adhere to the collection scraper, the collected matters on the collection scraper can be scraped by the cleaning scraper, so that the collection effect is ensured.
The control unit in this embodiment sets up in one side of external frame, and the control unit includes the manipulator, controller, drain pump and water inlet pump, and manipulator communication connection controller, controller communication connection drain pump and water inlet pump, drain pump and water inlet pump pass through outlet and the water inlet on the pipe connection culture tank respectively. The operator of the control unit in this embodiment is a touch display screen, so as to provide an operation interface and information display.
Referring to fig. 5, the liquid storage device in this embodiment includes a tank body and a tank cover covering the tank body, wherein a water inlet and a water outlet are provided on a side wall of the tank body, the water inlet is connected to the drain pump through a pipe, and the water outlet is connected to the water inlet through a pipe.
In order to promote the growth of benthic microalgae, an aeration pipe is further arranged on the side wall of the culture tank, and an air inlet arranged on the aeration pipe is connected with an internal air passage interface on the control unit, so that the benthic microalgae is further connected with an external air passage interface through an air pump, and the external air passage interface can be directly communicated with the atmosphere and can be connected with other air sources to provide air needed by aeration for the aeration pipe.
According to the utility model, culture mediums and algae seeds required by culturing microalgae are injected into the culture tank, then the light source and aeration are regulated through the controller, and the working period of the drain pump is set, so that the cultivation of benthic microalgae is realized. In the harvesting process, after the microalgae are naturally deposited for a period of time by closing the internal gas passage and connecting the command, the microalgae deposited at the bottom of the culture tank are scraped into a collecting tank on the right side by a harvesting scraper of the harvesting device along the horizontal direction after the culture solution on the upper layer of the culture tank enters the liquid storage tank through the drainage pump. Then the cleaning scraping plate scrapes the residual microalgae on the collecting scraping plate into the collecting tank along the vertical direction, then the two scraping plates reset, the culture solution in the liquid storage tank returns to the culture tank through the water inlet pump, and the internal gas circuit is opened, so that continuous culture is realized.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants of the technical proposal of the utility model can be carried out, comprising that each specific technical feature is combined in any suitable way, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.

Claims (9)

1. The continuous culture device for benthic microalgae is characterized by comprising an external frame, a culture unit, a harvesting unit and a control unit;
the outer frame comprises a bottom plate arranged at the bottom, a plurality of support columns arranged at the edge of the bottom plate and a top plate jacked by the support columns and positioned right above the top plate;
the culture unit is placed on the bottom plate of the outer frame and comprises a culture tank and a collecting tank, and the collecting tank is arranged on one side of the culture tank; a water outlet and a water inlet are arranged on the side wall of the culture tank;
the harvesting unit at least comprises two pairs of brackets, two sliding rails, two harvesting telescopic rods and a harvesting scraping plate; the two pairs of brackets are vertically fixed on the lower surface of the top plate; the two sliding rails are respectively fixed between the two pairs of brackets and are parallel to each other, the extending direction of the sliding rails extends from the culture tank to the collecting tank at one side, and the length of the sliding rails is not less than the sum of the lengths of the culture tank and the collecting tank; the two collecting telescopic rods are hung on the two sliding rails respectively and can slide on the sliding rails; the two ends of the collecting scraping plates are respectively hung at the bottom ends of the two collecting telescopic rods, the length of the collecting scraping plates is matched with the width of the bottom surface of the culture tank, and the collecting telescopic rods can enable the collecting scraping plates to contact the bottom surface of the culture tank when being stretched, so that the collecting scraping plates can scrape the whole culture tank and reach the collecting tank;
the control unit is arranged on one side of the outer frame and comprises an operator, a controller, a drainage pump and a water inlet pump, wherein the operator is in communication connection with the controller, the controller is in communication connection with the drainage pump and the water inlet pump, and the drainage pump and the water inlet pump are connected with a drainage outlet and a water inlet on the culture tank through pipelines respectively.
2. The continuous benthic microalgae culture apparatus of claim 1, further comprising a liquid storage device, wherein the liquid storage device comprises a box body and a box cover covered on the box body, a water inlet and a water outlet are arranged on the side wall of the box body, the water inlet is connected to the drainage pump through a pipeline, and the water outlet is connected to the water inlet through a pipeline.
3. The continuous culture device for benthonic microalgae according to claim 1, further comprising a light source, wherein the light source comprises a lighting lamp and a control interface, the lighting lamp and the control interface for controlling the lighting lamp are arranged on the lower surface of the top plate, and the control interface is connected with the control unit through a circuit so as to provide culture illumination for the culture tank.
4. The continuous culture device for benthonic microalgae according to claim 1, wherein the harvesting unit further comprises a cleaning scraper and two cleaning telescopic rods for hanging the cleaning scraper, the two cleaning telescopic rods are respectively hung on the two sliding rails and can slide on the sliding rails, and the two opposite collecting telescopic rods are positioned at one side close to the collecting tank; the two ends of the cleaning scraper blade are respectively hung at the bottom ends of the two cleaning telescopic rods, and the length of the cleaning scraper blade is matched with the length of the collecting scraper blade, so that the cleaning scraper blade can scrape collected objects on the collecting scraper blade.
5. The continuous culture device for benthic microalgae according to claim 1, wherein the culture tank is provided with an arc surface connected with the bottom surface on the inner wall adjacent to the collection tank, so that the collection scraper can scrape the collected objects along the arc surface and enter the collection tank.
6. The continuous culture device for benthic microalgae according to claim 1, wherein the culture tank and the collection tank are connected and fixed with each other through a mortise and tenon structure.
7. The continuous culture device for benthonic microalgae according to claim 1, wherein the side wall of the culture tank is further provided with an aeration pipe, the control unit further comprises an air pump, an external air passage interface and an internal air passage interface, the aeration pipe is provided with an air inlet, and the air inlet is connected to the internal air passage interface through a pipeline and is connected with the external air passage interface through the air pump.
8. The continuous culture apparatus for benthic microalgae according to claim 1, wherein the water outlet of the culture tank is 10-15mm higher than the bottom surface of the culture tank.
9. The continuous culture device for benthic microalgae according to claim 1, wherein the operator of the control unit is a touch display screen for providing an operation interface and information display.
CN202321609288.3U 2023-06-25 2023-06-25 Benthic microalgae continuous culture device Active CN220079032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321609288.3U CN220079032U (en) 2023-06-25 2023-06-25 Benthic microalgae continuous culture device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321609288.3U CN220079032U (en) 2023-06-25 2023-06-25 Benthic microalgae continuous culture device

Publications (1)

Publication Number Publication Date
CN220079032U true CN220079032U (en) 2023-11-24

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Application Number Title Priority Date Filing Date
CN202321609288.3U Active CN220079032U (en) 2023-06-25 2023-06-25 Benthic microalgae continuous culture device

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CN (1) CN220079032U (en)

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