CN215310375U

CN215310375U - Biological medium defoaming device

Info

Publication number: CN215310375U
Application number: CN202120084238.2U
Authority: CN
Inventors: 钟进; 陆金春; 王亚晶; 骆峻
Original assignee: Nanjing Jingjing Biotechnology Co ltd
Current assignee: Nanjing Jingjing Biotechnology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-12-28
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a biological culture medium defoaming device which comprises a recovery container, wherein the bottom of the recovery container penetrates through and is fixedly connected with a bubble leading-in pipe, and a gas adding pipe is sleeved in the bubble leading-in pipe; the inside annular screen who is the radius platform form that is equipped with of recovery container, both sides are equipped with roof and roof down respectively about the annular screen, roof lateral wall runs through and sliding connection has two first screws rod down. According to the utility model, through the mutual matching of the recovery container, the annular screen, the upper top plate, the lower top plate, the first locking mechanism and the second locking mechanism, the stability of the installed annular screen can be ensured by utilizing the first locking mechanism and the second locking mechanism, and meanwhile, the first locking mechanism and the second locking mechanism can be detached, so that the annular screen can be conveniently adjusted to different positions or taken out for maintenance or replacement, and convenience is brought to the use of people.

Description

Biological medium defoaming device

Technical Field

The utility model relates to the technical field of biological culture media, in particular to a biological culture medium defoaming device.

Background

The culture medium refers to a nutrient substrate prepared by combining different nutrient substances for supplying microorganisms, plants or animals to grow and breed, and when the bioreactor works, the culture medium circulating and flowing in the bioreactor generates a large amount of foams due to factors such as the components of the culture medium, the working environmental conditions of the reactor and the like, and the foams are undesirable and are required to be removed from the reactor, so that a defoaming device specially used for the bioreactor is required.

Among the prior art, often adopt the gaseous bubble of removing of filter screen cooperation to get rid of, unnecessary culture medium liquid then can flow back to the bioreactor in through the back flow, however, the most fixed installation of this kind of screen cloth is in the recovery vessel, and its height, position are certain, and inconvenient as required adjusts, simultaneously, also inconvenient dismantles the screen cloth and maintains or change, and the use of giving people has brought inconveniently, for this reason, we have designed a biological culture medium and have removed the bubble device and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a biological culture medium defoaming device.

In order to achieve the purpose, the utility model adopts the following technical scheme: a biological culture medium defoaming device comprises a recovery container, wherein a bubble leading-in pipe penetrates through the bottom of the recovery container and is fixedly connected with the bottom of the recovery container, and an air feeding pipe is sleeved in the bubble leading-in pipe; the recycling container is characterized in that an annular screen in an inverted circular truncated cone shape is arranged inside the recycling container, an upper top plate and a lower top plate are respectively arranged on the upper side and the lower side of the annular screen, the outer side wall of the lower top plate penetrates through and is connected with two first screw rods in a sliding mode, the bottoms of the first screw rods are in threaded connection with first threaded pipes, the bottoms of the first threaded pipes are fixedly connected with the inner bottom of the recycling container, and the first screw rods are connected with the lower top plate through a first locking mechanism; the outer side wall of the upper top plate is penetrated and slidably connected with two second screw rods, the tops of the second screw rods are in threaded connection with second threaded pipes, the tops of the second threaded pipes are fixedly connected with the inner top of the recovery container, and the second screw rods are connected with the upper top plate through second locking mechanisms.

As a further description of the above technical solution:

the roof lateral wall sets up the mouth that runs through with bubble induction pipe looks adaptation down, the bubble induction pipe with run through a mouthful inside wall sliding connection, run through a mouthful inside wall fixedly connected with sealing washer, the sealing washer inside wall contacts with bubble induction pipe outside lateral wall.

As a further description of the above technical solution:

the bottom in the recovery container is penetrated and fixedly connected with a return pipe.

As a further description of the above technical solution:

the first locking mechanism comprises two first locking nuts which are sleeved on the outer side wall of the first screw rod in a threaded manner, the two first locking nuts are respectively positioned on the upper side and the lower side of the lower top plate, first rubber pads are arranged on the opposite sides of the two first locking nuts, and the opposite sides of the two first rubber pads are contacted with the lower top plate and are tightly abutted to the lower top plate.

As a further description of the above technical solution:

the second locking mechanism comprises two second locking nuts which are sleeved on the outer side wall of the second screw rod in a threaded manner, the two second locking nuts are respectively positioned on the upper side and the lower side of the upper top plate, second rubber pads are arranged on the opposite sides of the two second locking nuts, and the opposite sides of the two second rubber pads are contacted with and tightly abutted to the upper top plate.

As a further description of the above technical solution:

the top runs through and fixedly connected with blast pipe in the recovery container, the blast pipe lateral wall is connected with the check valve.

The utility model has the following beneficial effects:

1. compared with the prior art, this biological medium defoaming device, through the recovery vessel, the ring screen, go up the roof, the roof down, mutually support between first locking mechanism and the second locking mechanism, utilize first locking mechanism and second locking mechanism can guarantee the stability of installation back ring screen, also can dismantle first locking mechanism and second locking mechanism simultaneously, thereby be convenient for adjust the ring screen to different positions or take out the ring screen and maintain or change, the use of giving people has brought the facility.

2. Compared with the prior art, this biological medium defoaming device through the setting of sealing washer, first rubber pad and second rubber pad, can guarantee the inside relative leakproofness of ring screen like this, avoids the bubble to spill over at will.

Drawings

FIG. 1 is a schematic structural diagram of a biological medium defoaming device according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a bottom view of the upper plate of a biological media debubbling apparatus according to the present invention;

FIG. 4 is a top view of a lower plate of a biological media debubbling apparatus according to the present invention;

FIG. 5 is a front view of a biological media debubbler apparatus according to the present invention.

Illustration of the drawings:

1. a recovery vessel; 2. a bubble introduction tube; 3. an air adding pipe; 4. an annular screen; 5. an upper top plate; 6. a lower top plate; 7. a first screw; 8. a first threaded pipe; 9. a second screw; 10. a second threaded pipe; 11. a through opening; 12. a seal ring; 13. a return pipe; 14. a first lock nut; 15. a second lock nut; 16. an exhaust pipe; 17. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the present invention provides a biological medium defoaming device: the device comprises a recovery container 1, wherein the bottom of the recovery container 1 is penetrated and fixedly connected with a bubble leading-in pipe 2, and a gas filling pipe 3 is sleeved in the bubble leading-in pipe 2; the bottom of the recovery container 1 is penetrated and fixedly connected with a return pipe 13, the top of the recovery container 1 is penetrated and fixedly connected with an exhaust pipe 16, the side wall of the exhaust pipe 16 is connected with a one-way valve 17, the exhaust pipe 16 and the one-way valve 17 are arranged to facilitate gas discharge and effectively avoid gas backflow in the exhaust pipe 16, the middle section of the return pipe 13 is connected with a peristaltic pump which is not shown in the figure, so that liquid backflow in the recovery container 1 is facilitated, which is a technical means well known by technical personnel in the field and is not repeated herein, and in addition, as shown in fig. 5, the recovery container 1 is a cylinder with a sealing door plate, so that the inside of the recovery container 1 is convenient to clean and the annular screen 4 is convenient to take out.

The recycling container 1 is internally provided with an annular screen 4 in an inverted circular truncated cone shape, the upper side and the lower side of the annular screen 4 are respectively provided with an upper top plate 5 and a lower top plate 6, the outer side wall of the lower top plate 6 is penetrated and slidably connected with two first screw rods 7, the bottoms of the first screw rods 7 are in threaded connection with first threaded pipes 8, the bottoms of the first threaded pipes 8 are fixedly connected with the bottom in the recycling container 1, so that the first screw rods 7 are integrally detached from the first threaded pipes 8, and the first screw rods 7 are connected with the lower top plate 6 through a first locking mechanism; first locking mechanism includes that the screw thread cup joints two first lock nut 14 on first screw rod 7 lateral wall, and two first lock nut 14 are located the upper and lower both sides of roof 6 down respectively, and two first lock nut 14 relative one side all is equipped with first rubber pad, and two relative one sides of first rubber pad all contact and support tightly with roof 6 down.

Wherein, the outer side wall of the upper top plate 5 is connected with two second screw rods 9 in a penetrating and sliding way, the top parts of the second screw rods 9 are connected with second threaded pipes 10 in a threaded way, the top parts of the second threaded pipes 10 are fixedly connected with the inner top part of the recovery container 1, so that the second screw rods 9 can be integrally disassembled conveniently, the second screw rods 9 are connected with the upper top plate 5 through second locking mechanisms, each second locking mechanism comprises two second locking nuts 15 which are sleeved on the outer side wall of the second screw rods 9 in a threaded way, the two second locking nuts 15 are respectively positioned at the upper side and the lower side of the upper top plate 5, one sides opposite to the two second locking nuts 15 are respectively provided with a second rubber gasket, one sides opposite to the two second rubber gaskets are respectively contacted with and tightly pressed against the upper top plate 5, the structures of the upper top plate 5 and the lower top plate 6 can be respectively shown by referring to figures 3 and 4, one sides opposite to the upper top plate 5 and the lower top plate 6 are respectively provided with embedded grooves matched with the circular screen 4, facilitating the installation of the ring screen 4.

6 lateral walls of roof down offer with the penetrating mouth 11 of 2 looks adaptations of bubble induction pipe, bubble induction pipe 2 with run through 11 inside walls sliding connection of mouth, run through 11 inside walls fixedly connected with sealing washer 12 of mouth, the 12 inside walls of sealing washer and the contact of 2 lateral walls of bubble induction pipe, guaranteed the leakproofness of roof 6 and the 2 junctions of bubble induction pipe after roof 6 removes like this.

The working principle is as follows: can open recovery vessel 1's sealing door board during the use, rotate second screw 9 for second screw 9 and second screwed pipe 10 separation, then rotate second lock nut 15 of top, make upper top board 5 can the rebound and with the separation of ring screen 4, the second lock nut 15 of rotatable below this moment makes second screw 9 can reciprocate along upper top board 5, rotate first screw 7 again, make first screw 7 and first screwed pipe 8 separation, take out ring screen 4 and lower roof 6 are whole.

After the first locking nut 14 located at the bottom of the inner side of the ring screen 4 is rotated after being taken out, the ring screen 4 can move upwards and be separated from the lower top plate 6, and the ring screen 4 can be maintained or replaced.

The method comprises the steps of enabling a maintained or new annular screen 4 to penetrate through a first screw 7 and be embedded into an embedded groove in the upper surface of a lower top plate 6, then installing a first locking nut 14 which is taken down on the outer side wall of the first screw 7, enabling the first screw 7 to be in threaded connection with a corresponding first threaded pipe 8, then installing a second locking nut 15 below on a second screw 9, enabling the upper top plate 5 to penetrate through a corresponding second screw 9, moving the upper top plate 5 to enable the embedded groove in the lower surface of the upper top plate 5 to correspond to the top of the annular screen 4, finally pulling upwards and rotating the second screw 9 to enable the second screw 9 to be in threaded connection with a corresponding second threaded pipe 10, rotating a second locking nut 15 which is arranged on the second screw 9 and is arranged above the upper top plate 5 to enable the position of the upper top plate 5 to be stable, wherein attention needs to be paid that a corresponding first rubber gasket and a corresponding second rubber gasket are installed firstly in the process of installing the first locking nut 14 and the second locking nut 15, to ensure sealing.

When defoaming, the peristaltic pump of connection on back flow pipe 13 is started, atmospheric pressure in the recovery container 1 reduces this moment, and bubble in the biological culture medium gets into in the annular screen cloth 4 through bubble inlet tube 2, and gas is inwards discharged to gas filler pipe 3 this moment, and under the dual function of annular screen cloth 4 and gas, the bubble is broken, and along with the continuous work of peristaltic pump, liquid in the recovery container 1 begins to flow back to the biological culture medium along back flow pipe 13 in, effectively reduces the production of bubble.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A biological medium debubbling apparatus comprising a recovery vessel (1), characterized in that: the bottom of the recovery container (1) is penetrated and fixedly connected with a bubble leading-in pipe (2), and a gas filling pipe (3) is sleeved in the bubble leading-in pipe (2);

the recycling container (1) is internally provided with an annular screen (4) in an inverted circular truncated cone shape, the upper side and the lower side of the annular screen (4) are respectively provided with an upper top plate (5) and a lower top plate (6), the outer side wall of the lower top plate (6) is connected with two first screw rods (7) in a penetrating and sliding manner, the bottoms of the first screw rods (7) are in threaded connection with first threaded pipes (8), the bottoms of the first threaded pipes (8) are fixedly connected with the inner bottom of the recycling container (1), and the first screw rods (7) are connected with the lower top plate (6) through first locking mechanisms;

go up roof (5) lateral wall and run through and sliding connection has two second screw rods (9), second screw rod (9) top threaded connection has second screwed pipe (10), top and recovery vessel (1) interior top fixed connection of second screwed pipe (10), second screw rod (9) are connected with last roof (5) through second locking mechanism.

2. A biological media debubbler apparatus according to claim 1, wherein: roof (6) lateral wall down seted up with running through mouthful (11) of bubble induction pipe (2) looks adaptation, bubble induction pipe (2) with run through mouthful (11) inside wall sliding connection, run through mouthful (11) inside wall fixedly connected with sealing washer (12), sealing washer (12) inside wall and the contact of bubble induction pipe (2) lateral wall.

3. A biological media debubbler apparatus according to claim 1, wherein: a return pipe (13) penetrates through and is fixedly connected with the bottom in the recovery container (1).

4. A biological media debubbler apparatus according to claim 1, wherein: the first locking mechanism comprises two first locking nuts (14) which are sleeved on the outer side wall of the first screw rod (7) in a threaded manner, the two first locking nuts (14) are respectively located on the upper side and the lower side of the lower top plate (6), two first rubber pads are arranged on one sides, opposite to the first locking nuts (14), and the two sides, opposite to the first rubber pads, of the first rubber pads are in contact with and abut against the lower top plate (6).

5. A biological media debubbler apparatus according to claim 1, wherein: the second locking mechanism comprises two second locking nuts (15) which are sleeved on the outer side wall of the second screw rod (9) in a threaded manner, the two second locking nuts (15) are respectively located on the upper side and the lower side of the upper top plate (5), second rubber pads are arranged on the opposite sides of the two second locking nuts (15), and the opposite sides of the two second rubber pads are in contact with and tightly supported against the upper top plate (5).

6. A biological media debubbler apparatus according to claim 1, wherein: the top runs through and fixedly connected with blast pipe (16) in recovery container (1), blast pipe (16) lateral wall is connected with check valve (17).