CN220393459U

CN220393459U - Tap water aeration sterilization device for rotifer culture

Info

Publication number: CN220393459U
Application number: CN202321872649.3U
Authority: CN
Inventors: 杨家新; 冯一凡; 肖余静; 贾豪敏; 梁慧琳; 冯磊; 沈静
Original assignee: Nanjing Normal University
Current assignee: Nanjing Normal University
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-26
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a tap water aeration sterilization device for rotifer culture, which relates to the technical field of rotifer culture devices and comprises a device main body, wherein a sterilization unit and an aeration unit are arranged in the device main body, and the sterilization unit and the aeration unit can be electrically connected with an electric control unit; the sterilization unit comprises an ultraviolet sterilization lamp, a sterilization hole pipe is arranged on the device main body, and the ultraviolet sterilization lamp can pass through the sterilization hole pipe; the aeration unit comprises a bubble stone which is arranged at the bottom in the device main body, the bubble stone is connected with an air pump through an air duct, an air inlet pipe is arranged on the device main body, and the air duct passes through the air inlet pipe; the device main body is provided with a water injection hole pipe, and a water injection pipe is arranged at the water injection hole pipe; the lower end of the device main body is provided with a water outlet pipe, and the water outlet pipe is provided with a water outlet valve. By arranging the sterilizing unit and the aeration unit, microorganisms such as bacteria, algae and the like in tap water can be effectively killed, residual chlorine in the tap water can be efficiently removed, and dissolved oxygen of the tap water can be increased.

Description

Tap water aeration sterilization device for rotifer culture

Technical Field

The utility model relates to the technical field of rotifer culture devices, in particular to a tap water aeration sterilization device for rotifer culture.

Background

Rotifers are a small multicellular animal type, of which there are about 2000 species, most living in various water environments in fresh water, and a minority in seawater (about 5%), and also in moist soil. The individual rotifers are tiny (40 μm-3mm, mostly 100-500 μm), generally colorless and transparent, and their body can be divided into head, trunk and tail 3 parts, and the body is covered with the cuticle. The wheel worm body-shaped structure is highly diverse, but has obvious common characteristics: 1. the front end of the body is provided with a cilia crown or a cilia wheel disc, and the cilia is shaped like a rotary wheel disc when swinging, so the cilia crown is named as a special movement organ of the wheel worm and has a feeding function; 2. the chewing bag and the masticator are arranged in the mouth; 3. the excretory system is a pair of kidney tubes with flame pedicles.

The rotifers mainly ingest phytoplankton, are food sources for a plurality of secondary consumers while being primary consumers, and through the typical grazing food chain, energy flows and substances are circulated, so that the rotifers play an important role in the research of the structural functions and biological productivity of the breeding industry and the ecosystem. The rotifer is also used as an excellent experimental animal because of its simple structure, rapid propagation, unique generation (carrying out mixed reproduction or parthenogenesis), simple and convenient culture and convenient acquisition. Meanwhile, the rotifer has a plurality of characteristics: 1. asexual clone propagation, no inbreeding decay; 2. sexual reproduction produces highly stable diapause embryos; 3. the genetic background of sexual asexual reproduction is the same; 4. compared with classical mode organisms such as drosophila, nematode and the like, the compound biological agent has no molting and metamorphosis, has closer relationship with higher metazoa, has wide research prospect and is hopeful to become a very potential mode organism.

Due to the important ecological significance and scientific research value of the rotifers, the high-efficiency cultivation of the rotifers is realized. At present, culture of the freshwater wheel in a laboratory mainly uses pure water culture, and seawater wheel is cultured by using pure water to prepare artificial seawater, however, the pure water culture has the following defects: 1. pure water lacks various microelements existing in natural water, and the effect of culturing rotifers is poor; 2. the dissolved oxygen in the pure water is extremely low, which is unfavorable for the survival of rotifers; 3. the large-scale cultivation of the rotifers requires a large amount of cultivation water, and the cost is too high if pure water is used completely.

Therefore, it is not suitable to culture the rotifer with pure water, and if tap water is used, although the tap water contains suitable trace elements, the tap water contains a large amount of toxic substances such as microorganisms including harmful bacteria and algae, and residual chlorine. The artemia are also cultured by using the tap water which is still standing in the laboratory sometimes, however, the efficiency of the tap water treatment by standing is low, the tap water needs to be kept still for 4-5 days, and the residual chlorine can not be guaranteed to be dispersed out; and standing cannot increase the dissolved oxygen amount in water.

Therefore, there is an urgent need in the market for a sterilizing apparatus for tap water specially used for the cultivation of rotifers to solve the above problems.

Disclosure of Invention

The utility model aims to provide a tap water aeration sterilization device for culturing rotifers, which is used for solving the technical problems in the prior art, can effectively sterilize tap water cultured by the rotifers, and can realize chlorine removal and oxygen increasing of the tap water.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model discloses a tap water aeration sterilization device for rotifer culture, which comprises a device main body, wherein a sterilization unit and an aeration unit are arranged in the device main body, and the sterilization unit and the aeration unit can be electrically connected with an electric control unit;

the sterilization unit comprises an ultraviolet sterilization lamp, a sterilization hole pipe is arranged on the device main body, and the ultraviolet sterilization lamp can pass through the sterilization hole pipe;

the aeration unit comprises a bubble stone, the bubble stone is arranged at the bottom in the device main body, the bubble stone is connected with an air pump through an air duct, an air inlet pipe is arranged on the device main body, and the air duct passes through the air inlet pipe;

the device comprises a device main body, wherein a water injection hole pipe is arranged on the device main body, a water injection pipe is arranged at the water injection hole pipe, one end of the water injection pipe can extend into the device main body, and the other end of the water injection pipe is connected with a water source;

the lower end of the device main body is provided with a water outlet pipe, and the water outlet pipe is provided with a water outlet valve.

Preferably, the device main body comprises a box body and a box cover, the box body is hollow, an external thread is arranged at an upper end opening of the box body, an internal thread is arranged at the box cover, and the upper end opening of the box body is in threaded connection with the box cover.

Preferably, the sterilization hole pipe is fixed on the upper surface of the device main body, and the upper end of the sterilization hole pipe is connected with a sterilization dust cover in a threaded manner;

the air inlet hole pipe is arranged on the upper surface of the device main body, and an air inlet dust cover is arranged at the upper end of the air inlet hole pipe;

the water injection hole pipe is arranged on the upper surface of the device main body, and the upper end of the water injection hole pipe is provided with a water injection dust cover.

Preferably, the ultraviolet sterilizing lamp is connected with a timer, and the timer is electrically connected with the electric control unit.

Preferably, the water injection pipe and the air guide pipe are both made of medical silica gel;

and sealing films are arranged on the outer sides of the sterilization hole pipe, the air inlet hole pipe and the water injection hole pipe.

Preferably, the air duct is provided with a check valve and a filter, and the air pump is electrically connected with the electric control unit.

Preferably, activated carbon is provided at the bottom of the device body.

Preferably, a ventilation valve is arranged at the top of the device main body.

Compared with the prior art, the utility model has the following technical effects:

according to the utility model, the aeration unit is arranged, air pumped by the air pump is dispersed into the water body in the tank in the form of bubbles, and the air is fully contacted with the water body in the rising process of the bubbles, so that the technical effects of chlorine removal and oxygen increasing of tap water are achieved. In addition, the ultraviolet sterilizing lamp in the sterilizing unit can effectively remove microorganisms such as bacteria which are harmful to rotifers in tap water.

The whole device has the advantages of simple structure, low cost, reasonable design, easy operation, quick chlorine removal, high oxygen dissolution, little dust prevention, sterilization and pollution and the like, lays a hardware foundation for the rotifer facility culture, and provides proper and large amount of culture water for the rotifer culture while reducing the cost of people, wealth and material resources.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a tap water aeration sterilization apparatus for rotifer cultivation according to an embodiment;

FIG. 2 is a front view of a tap water aeration sterilization apparatus for rotifer cultivation according to an embodiment;

FIG. 3 is a plan view of a tap water aeration sterilization apparatus for rotifer cultivation according to an embodiment;

FIG. 4 is a schematic view showing the structure of a sterilizing orifice tube in a tap water aeration sterilizer for rotifer cultivation according to an embodiment;

FIG. 5 is a schematic view showing the structure of an air inlet pipe in a tap water aeration sterilization apparatus for rotifer cultivation according to an embodiment;

FIG. 6 is a schematic diagram showing the structure of a ventilation valve in a tap water aeration sterilization apparatus for rotifer cultivation according to an embodiment;

in the figure: 1-a device body; 101-a box body; 102-case cover; 103-sterilizing the pore tube; 104-sterilizing a dust cover; 105-an inlet pipe; 106-water injection hole pipe; 2-a sterilization unit; 201-ultraviolet sterilizing lamp; 202-a timer; 3-an aeration unit; 301-bubble stone; 302-an airway; 303-an air pump; 304-a non-return valve; 305-a filter; 4-ventilation valve; 5-activated carbon; 6-a water outlet valve; 7-an electric control unit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Embodiment 1,

As shown in fig. 1-6, this embodiment provides a tap water aeration sterilization device for culturing rotifers, which comprises a device main body 1, wherein a sterilization unit 2 and an aeration unit 3 are arranged in the device main body 1, the sterilization unit 2 and the aeration unit 3 can be electrically connected with an electric control unit 7, wherein the electric control unit 7 comprises a controller and a power supply, the controller can be a PLC controller or a singlechip controller, etc., and for the power supply, the power supply in this embodiment is commercial power, and of course, the power supply can be replaced by a suitable battery or other power supplies.

The sterilization unit 2 comprises an ultraviolet sterilization lamp 201, and the ultraviolet sterilization lamp 201 is preferably an ultraviolet waterproof sterilization lamp with a waterproof function commonly used in the market because the ultraviolet sterilization lamp 201 needs to be placed in a water body during actual use, specifically, the ultraviolet sterilization lamp 201 is a waterproof quartz ultraviolet lamp tube with the power of 5W, the installation mode, the power size and the appearance form are not limited, and if the system is increased, the power of the ultraviolet sterilization lamp 201 is also increased as appropriate so as to ensure the sterilization effect. The apparatus body 1 is provided with a sterilization hole pipe 103, and the outer diameter of the ultraviolet sterilization lamp 201 is smaller than the inner diameter of the sterilization hole pipe 103, so that the ultraviolet sterilization lamp 201 can pass through the sterilization hole pipe 103.

When the sterilization process is performed, a user may put the ultraviolet sterilization lamp 201 through the sterilization hole pipe 103 and then into the device body 1, the ultraviolet sterilization lamp 201 may float on the water surface by buoyancy, and emit ultraviolet rays after being turned on to achieve sterilization of bacteria.

The aeration unit 3 includes a bubble stone 301, the bubble stone 301 is installed at the bottom in the device main body 1, wherein, the bubble stone 301 is a disc-shaped bubble stone 301 with a diameter of 5cm, compared with a common spherical bubble stone 301, the bubble is bigger, the surface area of the bubble contacted with the liquid is increased, and further the technical effect of chlorine removal and oxygen increasing is improved, but the shape of the bubble stone 301 is not limited to this type. The bubble stone 301 is connected with an air pump 303 through an air duct 302, the air pump 303 is a double-head air pump 303 with 6W power, the power size, appearance form and air head number of the air pump 303 are not limited here, and if the system is increased, the power of the air pump 303 can be correspondingly increased according to actual requirements. The device body 1 is provided with an air inlet pipe 105, the outer diameter of the air duct 302 is smaller than the inner diameter of the air inlet pipe 105, and the air duct 302 can pass through the air inlet pipe 105.

The device is characterized in that a water injection hole pipe 106 is arranged on the device main body 1, a water injection pipe is arranged at the position of the water injection hole pipe 106, the outer diameter of the water injection pipe is smaller than the inner diameter of the water injection hole pipe 106, one end of the water injection pipe can penetrate through the water injection hole pipe 106 and extend into the device main body 1, the other end of the water injection pipe is connected with a water source, and the water source can be a tap water pipe directly or a container filled with tap water.

The lower extreme of device main part 1 is equipped with the outlet pipe, is equipped with outlet valve 6 on the outlet pipe, and outlet valve 6 can select current manual valve or electric valve all.

During actual use, tap water can be injected into the device main body 1 through the water injection pipe, the aeration device can be started after a proper amount of water is added, the air pump 303 inputs air to the bubble stone 301 through the air guide pipe 302, the air is decomposed into a plurality of small bubbles after passing through the bubble stone 301, the contact area between the air and the water is increased, and therefore the chlorine removal and oxygen supply effects can be improved. In addition, the ultraviolet rays released by the ultraviolet sterilizing lamp 201 can be used for sterilizing bacteria in the water body. Finally, after a period of work, the water outlet valve 6 is opened, and tap water in the device main body 1 is poured out for the cultivation of the rotifers.

In this embodiment, the apparatus body 1 includes a case 101 and a case cover 102, the inside of the case 101 is hollow, an external thread is provided at an upper end opening of the case 101, an internal thread is provided at the case cover 102, and the upper end opening of the case 101 is screwed with the case cover 102. Specifically, the tank body 101 is a hollow approximately rectangular water tank, and the top surface of the tank body 101 may be provided with the tank cover 102 or may not be provided with the tank cover (i.e. top seal), which is not limited herein. The length of the box 101 is 33cm, the width of the box 101 is 21cm, and the height of the box 101 is 46cm, wherein the box 101 is not a standard cuboid, the whole volume of the box 101 is about 25L, and the box 101 is made of food-grade Polyethylene (PE). The upper end opening of the case 101 is connected with the case cover 102 through external threads to prevent overflow, reduce evaporation, prevent dust, and reduce pollution risk. The cover 102 can close the upper end opening of the case 101, thereby preventing external impurities from entering the inside of the case 101. When the liquid in the box needs to be poured, the box cover 102 can be unscrewed, and tap water can be poured out from the upper end opening of the box body 101 by tilting the box body 101. In addition, tap water can be filled through the upper end opening of the box body 101, and after tap water is filled, the box body 101 is filled, and then the box cover 102 is screwed. Of course, the water injection and water discharge may not pass through the part of the case cover 102, and the water injection hole pipe 106 and the water discharge pipe may be realized. In addition, holes for other accessories, such as a water injection hole pipe 106, a sterilization hole pipe 103, an air inlet hole pipe 105 and the like, are formed on the box body 101 so as to facilitate subsequent installation. The specification, shape and material of the case 101 are not limited, so long as the case 101 is firm and waterproof, no harmful substances exude, and the stability of the whole equipment can be ensured.

In this embodiment, the sterilization hole tube 103 is vertically glued and fixed on the upper surface of the device body 1, the sterilization dust cap 104 is screwed on the upper end of the sterilization hole tube 103, the external thread is provided on the upper end of the sterilization hole tube 103, and the sterilization dust cap 104 is provided with the internal thread. When the sterilization operation is not performed, the sterilization dust cap 104 is screwed on the sterilization hole pipe 103, so that the sterilization hole pipe 103 is sealed and dust-proof. If a sterilization operation is required, the ultraviolet sterilization lamp 201 can be placed therein after the sterilization dust cap 104 is removed by rotation. The sterilization hole tube 103 is only used as a passage for the ultraviolet sterilization lamp 201 to enter the box body 101, and only the inner diameter of the sterilization hole tube 103 is required to be larger than the outer diameter of the lamp tube of the ultraviolet sterilization lamp 201.

Similarly, the air inlet pipe 105 is vertically and adhesively arranged on the upper surface of the device main body 1, the upper end of the air inlet pipe 105 is provided with an air inlet dust cover, and the air inlet pipe 105 is in cover connection with the air inlet dust cover. When the air duct 302 is not used, an air intake dust cover is mounted, and the air intake duct 105 is closed and dust-proof.

Similarly, the water injection hole pipe 106 is disposed on the upper surface of the device body 1, the upper end of the water injection hole pipe 106 is provided with a water injection dust cover, and the water injection hole pipe 106 is connected with the water injection dust cover in a covering manner. When the water injection pipe is not used, a water injection dust cover is installed, so that the water injection hole pipe 106 is closed and dustproof.

In this embodiment, a timer 202 is connected to the ultraviolet sterilization lamp 201, and specifically, the ultraviolet sterilization lamp 201 is connected in series with the timer 202. In addition, the timer 202 is electrically connected with the electric control unit 7, and the electric control unit 7 comprises mains supply, so that the timer 202 is connected with 220V mains supply. The user can start the sterilization procedure in the controller according to the requirement, and after the sterilization is finished for a set period of time, the timer 202 completes the circuit breaking, and the sterilization unit 2 is automatically closed, so that the related labor cost is reduced and the electric energy is saved. In addition, from the practical point of use, whether or not to attach the timer 202 is not limited, and may be selected according to the manufacturing cost.

In this embodiment, the water injection pipe and the air guide pipe 302 are made of medical silica gel, are flexible and durable, and can not release harmful substances to pollute the water body in the box 101.

Sealing films are arranged on the outer sides of the sterilizing hole pipe 103, the air inlet hole pipe 105 and the water injection hole pipe 106, so that sealing and fixing of a connecting gap are realized, and the sterilizing hole pipe has the advantages of being easy to obtain materials, simple and convenient in process, simple and reliable and the like. Of course, those skilled in the art can also achieve similar effects by wrapping waterproof tape.

For the sterilization hole tube 103, as shown in fig. 4, the sterilization hole tube 103 in this embodiment may be formed by shearing a 50mL centrifuge tube, and has a cylindrical tube body penetrating up and down, and wrapping a sealing film around the cylindrical tube body and then inserting the cylindrical tube body into a corresponding through hole on the box body 101, thereby enhancing the sealing effect. Meanwhile, the matched tube cover of the 50mL centrifuge tube can be used as a sterilization dust cover 104, so that dust prevention at the upper end tube orifice of the sterilization hole tube 103 is realized.

For the inlet pipe 105 and the water injection pipe 106, as shown in fig. 5, the inlet pipe 105 and the water injection pipe 106 are formed by shearing and reforming a 1.5mL centrifuge tube and a 2mL centrifuge tube respectively, and the appearance is a cylindrical pipe body with a cover which penetrates up and down, and the two structures are identical and only different in size. The two are wrapped with the sealing film to realize sealing and fixing tightness of the connecting gap, and meanwhile, the centrifuge tube is provided with the small cover connected with the centrifuge tube, so that the centrifuge tube can be respectively used as an air inlet dust cover and a water injection dust cover, and the air inlet dust cover and the water injection dust cover can be freely opened and closed and are connected with the tube body without losing.

In this embodiment, the air duct 302 is provided with a check valve 304 and a filter 305, and the check valve 304 is located closer to the bubble stone 301 than the filter 305. The air pump 303 is electrically connected to the electronic control unit 7 and is remotely controlled by a controller in the electronic control unit 7.

Wherein, the filter 305 is a needle type filter membrane sterilization filter of 0.22 μm, so as to prevent foreign bacteria and dirt from entering the water body along with the air pump 303.

The check valve 304 has the function of preventing the reverse suction flow of the liquid caused by the pressure difference and avoiding the air pump 303 from being damaged in the case that the air pump 303 is closed or the device is stopped accidentally.

In this embodiment, the activated carbon 5 is disposed at the bottom of the device main body 1, the activated carbon 5 is tiled at the bottom of the box 101, and various organic matters or toxic substances in water are adsorbed and removed by using the porous solid surface of the activated carbon, so as to play a role in purifying water. Specifically, the activated carbon 5 is columnar granular activated carbon 5, so that the influence of fine carbon powder on the water body is reduced while the adsorption effect is ensured, and the form, the use amount and the laying condition of the activated carbon 5 are not limited to the embodiment.

In this embodiment, the top of the device body 1 is provided with a ventilation valve 4. The ventilation valve 4 is a conventional spiral ventilation valve 4. The structure is as shown in fig. 6, the whole body is in a hexagonal bolt shape, penetrates through and is installed at the top of the box body 101, fastening is completed through a matched nut, a central air passage is formed in a hexagonal bolt of the air ventilation valve 4, a plurality of air holes are formed in the side wall of the head part of the hexagonal bolt in the air ventilation valve 4, and the pressure in the device main body 1 is kept approximately consistent with the external atmospheric pressure through the air ventilation valve 4. The breather hole is arranged on the side wall of the head part of the hexagonal bolt instead of the top part so as to achieve the aim of dust prevention. And when the air pump 303 is turned on, because the external air is continuously pumped into the box 101, the internal pressure of the box 101 is always slightly higher than the external pressure, positive pressure is formed in the box 101, and external air flow is difficult to carry foreign matters, dust, bacteria and other foreign pollutants into the box 101, so that the risk of entering dirt is reduced to the minimum.

In this embodiment, the water injection pipe penetrates into the box 101 through the water injection hole pipe 106, and the box 101 can be filled with tap water after the water injection pipe is connected with a tap water source. When aeration is completed, water in the tank is discharged from the water outlet valve 6 for culturing the rotifers. The water outlet valve 6 is fastened on the water outlet pipe on the side wall of the lower part of the box body 101 through a matched nut, and a waterproof silica gel gasket is preferably additionally arranged between the nut and the water outlet valve 6 to prevent liquid from exuding.

Embodiment II,

The embodiment provides a use method of a tap water aeration sterilization device for rotifer culture, which comprises the following steps:

step one, filling procedure: closing the water outlet valve 6, opening the water injection dust cover on the water injection hole pipe 106, inserting the water injection pipe into the water injection hole pipe and connecting the water injection pipe with a tap water source, opening the tap water source to inject tap water into the box body 101, closing the water supply after filling, removing the water injection pipe, and covering the water injection dust cover to close the water injection hole pipe 106.

Step two, an aeration program: the aeration unit 3 is assembled, the air pump 303 is connected with 220V mains supply, the air pump 303 is started, and proper power is adjusted to aerate tap water in the box 101. After the aeration is completed, the user may turn off the air pump 303 or keep it on all the time. After the aeration is finished, a user can leave the aeration unit 3 in the device, can pull out the bubble stone 301, pull out the air duct 302 from the air inlet pipe 105, and close the air inlet dust cover on the air inlet pipe 105, so that the device main body 1 is convenient to transfer and transport.

Step three, sterilization procedure: the user can carry out sterilization operation to the aeration running water, rotates and removes sterilization shield 104, inserts ultraviolet sterilization lamp 201 in the box 101 from sterilization hole pipe 103, inserts 220V commercial power or with the series connection of timer 202 back access 220V commercial power with ultraviolet sterilization lamp 201, lights ultraviolet sterilization lamp 201 and disinfects, after the sterilization is accomplished, can cut off the power supply by oneself by the user or realize by timer 202 and break the circuit and end sterilization procedure. After the completion of this procedure, the ultraviolet sterilization lamp 201 is withdrawn from the housing 101 through the sterilization hole pipe 103, and the sterilization dust cap 104 is reinstalled to close the opening of the sterilization hole pipe 103.

Step four, water use procedure: when a user needs sterilizing aeration tap water to culture the rotifers, the water outlet valve 6 is opened in a rotating way, and the water for culture can be taken in by a proper container.

And fifthly, detecting the residual chlorine content of the aerated tap water in the device per hour by using a residual chlorine detection kit. In the actual operation of the device, the maximum power is continuously aerated for 4 hours, and no detectable residual chlorine exists in the water body.

The principles and embodiments of the present utility model have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. A running water aeration sterilization apparatus for rotifer is cultivateed which characterized in that: the device comprises a device main body (1), wherein a sterilization unit (2) and an aeration unit (3) are arranged in the device main body (1), and the sterilization unit (2) and the aeration unit (3) can be electrically connected with an electric control unit (7);

the sterilization unit (2) comprises an ultraviolet sterilization lamp (201), a sterilization hole pipe (103) is arranged on the device main body (1), and the ultraviolet sterilization lamp (201) can penetrate through the sterilization hole pipe (103);

the aeration unit (3) comprises a bubble stone (301), wherein the bubble stone (301) is arranged at the bottom in the device main body (1), the bubble stone (301) is connected with an air pump through an air duct (302), an air inlet hole pipe (105) is arranged on the device main body (1), and the air duct (302) penetrates through the air inlet hole pipe (105);

the device comprises a device main body (1), wherein a water injection hole pipe (106) is arranged on the device main body (1), a water injection pipe is arranged at the position of the water injection hole pipe (106), one end of the water injection pipe can extend into the device main body (1), and the other end of the water injection pipe is connected with a water source;

the lower end of the device main body (1) is provided with a water outlet pipe, and the water outlet pipe is provided with a water outlet valve (6).

2. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the device comprises a device body (1) and a box cover (102), wherein the box body (101) is hollow, an external thread is arranged at the upper end opening of the box body (101), an internal thread is arranged at the box cover (102), and the upper end opening of the box body (101) is in threaded connection with the box cover (102).

3. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the sterilization hole pipe (103) is fixed on the upper surface of the device main body (1), and the upper end of the sterilization hole pipe (103) is connected with a sterilization dust cover (104) in a threaded manner;

the air inlet hole pipe (105) is arranged on the upper surface of the device main body (1), and an air inlet dust cover is arranged at the upper end of the air inlet hole pipe (105);

the water injection hole pipe (106) is arranged on the upper surface of the device main body (1), and a water injection dust cover is arranged at the upper end of the water injection hole pipe (106).

4. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the ultraviolet sterilizing lamp (201) is connected with a timer (202), and the timer (202) is electrically connected with the electric control unit (7).

5. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the air inlet hole pipe (105) and the water injection hole pipe (106) are made of medical silica gel;

the outer sides of the sterilization hole pipe (103), the air inlet hole pipe (105) and the water injection hole pipe (106) are respectively provided with a sealing film.

6. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the air duct is provided with a check valve (304) and a filter (305), and the air pump (303) is electrically connected with the electric control unit (7).

7. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the bottom in the device main body (1) is provided with active carbon.

8. Tap water aeration sterilization device for rotifer cultivation according to claim 1, wherein: the top of the device main body (1) is provided with a ventilation valve.